permanent magnet magnetic separator market is projected to expand at a steady cagr over the forecast by 2027 covid-19 analysis ksu | the sentinel newspaper

permanent magnet magnetic separator market is projected to expand at a steady cagr over the forecast by 2027 covid-19 analysis ksu | the sentinel newspaper

This remarkable Permanent Magnet Magnetic Separator market report is the precise depiction of the whole market scenario. Studying potential deficits along with the issues encountered by major industries is possible through this report. It focuses on social, financial and economic elements related to the industry, which enhance the key players in their decision making. Comprehensive analysis of macro-economic indicators, governing factors and parent market trends along with market attractiveness is also presented in this Permanent Magnet Magnetic Separator report according to segments. Compilation of industry contributors around the value chain, qualitative estimation by business analysts and inputs from industry specialists present this report in the first-hand information form.

From the last handful of months, the global market study has revealed advancing growth rates. The market, according to the same analysis, is predicted to expand rapidly and also have a stronger effect on the world economic system, with the biggest earnings. It likewise covers the impact of COVID-19 infection on the development and improvement of the market. Market players can consider this Permanent Magnet Magnetic Separator market report momentarily prior to putting resources into the market and anticipating more significant yields. As per the report, the market situation continues fluctuating dependent on numerous variables. The research furthermore includes a summary of the competitive environment, including the leading players and their biographies. A market research is a complete analysis of market penetration, up with the fast demand, sales income, and growth prospects.

Major enterprises in the global market of Permanent Magnet Magnetic Separator include:Shandong Huate Magnet MAGSY SLon Magnetic Yueyang Dalishen Nippon Magnetics Kemeida Eriez Metso Multotec Mineral Technologies Sollau Master Magnets Kanetec Goudsmit Magnetics Malvern

Table of Content1 Report Overview1.1 Product Definition and Scope1.2 PEST (Political, Economic, Social and Technological) Analysis of Permanent Magnet Magnetic Separator Market2 Market Trends and Competitive Landscape3 Segmentation of Permanent Magnet Magnetic Separator Market by Types4 Segmentation of Permanent Magnet Magnetic Separator Market by End-Users5 Market Analysis by Major Regions6 Product Commodity of Permanent Magnet Magnetic Separator Market in Major Countries7 North America Permanent Magnet Magnetic Separator Landscape Analysis8 Europe Permanent Magnet Magnetic Separator Landscape Analysis9 Asia Pacific Permanent Magnet Magnetic Separator Landscape Analysis10 Latin America, Middle East & Africa Permanent Magnet Magnetic Separator Landscape Analysis 11 Major Players Profile

Global Permanent Magnet Magnetic Separator market research is a set of techniques used to collect data and understand the target market of a company in a better way. Companies use this data to improve the user experience, design better products and make a marketing strategy that enhances conversion rates and attracts quality leads. Market research is very valuable since one will not be able to understand their consumers without research. You know what to do through analysis but the answer to why to do can be obtained only by research. User analytics and big data can help you in the research process. Market research beats the trends, assumptions and the best practices. This thorough Permanent Magnet Magnetic Separator market study report helps the businesses to plan accordingly and improve continuously. Efficient and quick research helps to understand the needs of the customers reliably and also test the new features. It further proceeds with depicting market growth in several major regions such as North America, Asia Pacific, Europe and Middle East.

Permanent Magnet Magnetic Separator Market Intended Audience: Permanent Magnet Magnetic Separator manufacturers Permanent Magnet Magnetic Separator traders, distributors, and suppliers Permanent Magnet Magnetic Separator industry associations Product managers, Permanent Magnet Magnetic Separator industry administrator, C-level executives of the industries Market Research and consulting firms

Market Research Report is the best mean to get an insight about the exact market condition and make position in it. It reinforces business position and helps different industry players to know about the future and prevailing market conditions. It offers good perception and understanding of the market to aids the key players stay updated and maintain their position in the competitive market. It emphasizes the current trends by estimating the future trends, number and market characteristics. Such precise Market Analysis depicts a clear graph on the market policies and assists the industries in gaining big profits than before.

About Global Market MonitorGlobal Market Monitor is a professional modern consulting company, engaged in three major business categories such as market research services, business advisory, technology consulting.We always maintain the win-win spirit, reliable quality and the vision of keeping pace with The Times, to help enterprises achieve revenue growth, cost reduction, and efficiency improvement, and significantly avoid operational risks, to achieve lean growth. Global Market Monitor has provided professional market research, investment consulting, and competitive intelligence services to thousands of organizations, including start-ups, government agencies, banks, research institutes, industry associations, consulting firms, and investment firms.ContactGlobal Market MonitorOne Pierrepont Plaza, 300 Cadman Plaza W, Brooklyn,NY 11201, USAName: Rebecca HallPhone: + 1 (347) 467 7721Email: [email protected] Site: https://www.globalmarketmonitor.com

sepor, inc | gold mining equipment, mine lab testing equipment

sepor, inc | gold mining equipment, mine lab testing equipment

Sepor, Inc. began business in 1953 with the introduction of the Sepor Microsplitter , a Jones-type Riffle splitter, developed by geologist Oreste Ernie Alessio for his own use in the lab. Sepor grew over the next several decades to offer a complete line of mineral analysis tools, as well as pilot plant equipment for scaled operations.

quality manufacturer of screening machines, vibroconveyors and magnetic separators

quality manufacturer of screening machines, vibroconveyors and magnetic separators

At IFE, quality and reliability, safety and commercial efficiency have been our main priorities for more than seven decades. It is on the basis of this orientation and continuous innovation that IFE is able to assert itself as a worldwide leading supplier of machine components for the bulk materials industry.

Our customers benefit from the maximum use of the experience we have gained in supplying for many applications in various industries. This experience represents the driving force for constant product development.

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wet magnetic drum separator | sepor, inc

wet magnetic drum separator | sepor, inc

Wet drum magnetic separators are used in magnetic particle recovery, removing the magnetic component from a slurry, and discharging the magnetic concentrate from one end and the non-magnetic content from the tailing discharge, typically located on one side of the separator.

Wet drum magnetic separators are more efficient that dry drums, because water makes a good medium for dispersing solids and this gives a much more consistent particle surface area to magnet surface area, thereby yielding higher recoveries of magnetic particles.

The most common type of wet drum separator is the low intensity wet drum separator, for recovering highly magnetic material. The drum has a magnetic field from 600 to 1,000 gauss, typically. Wet high intensity magnetic separators are also used for para-magnetic materials, with magnetic field intensity ranging from 7,000 gauss (Permanent Drum) to 20,000 gauss (Electro-magnetic drums).

dyeing & finishing technology update | textile world

dyeing & finishing technology update | textile world

As is the case for many areas of the textile industry, sustainability is at the forefront of machinery innovations for the dyeing and finishing sector. Developments firmly focus on reductions in energy, chemicals and water use. The sector also is working on Industry 4.0 solutions and intelligent machine controls. What follows is a look at just some of the latest technologies available for dyeing and finishing.

While digital textile printing technologies are advancing at a rapid rate for decorative fabrics, England-based Alchemie Technology Ltd. is using digital printheads to color fabrics in a different way. A newcomer to the dyeing industry, Alchemie recently debuted its Endeavour Waterless Smart Dyeing process a digital, on-demand textile dyeing process for polyester fabrics. Alchemie reports it is trying to solve pollution issues, reduce costs and increase flexibility in the dyeing process. The Endeavour system is not completely waterless, but according to the company, it reduces wastewater by more than 95 percent, and offers significant savings in energy use, materials and labor costs compared to traditional dyeing processes. The digital application system allows manufacturers to dye on demand and offers quick changes and fast runs similar to digital printing at 25 meters per minute (m/min) minus the images or patterns. The technology has demonstrated color consistency of +/- 1 percent and excellent wash and rub fastness, according to Alchemie.

Sweden-based imogo AB is another newcomer to the dyeing industry with its Dye-Max spray dyeing technology. Imogo partnered with ACG Kinna, Sweden, to build the first Dye-Max line, and the technology made its debut at ITMA 2019.

Imogo reports the Dye-Max reduces the use of fresh water, wastewater, energy and chemicals by as much as 90 percent compared to conventional jet-dyeing systems. These savings are achieved with an extremely low liquor ratio of 0.3 to 0.8 liters per kilogram of fabric and by using a series of spray cassettes located in a closed chamber. Precision nozzles in the cassettes accurately and consistently apply the dye in conjunction with the patented imogo pro speed valve that controls the volume of dye that is applied. The closed system is kept free from contaminating particles with an exhaust system and droplet separator.

The spray cassettes are a key part in the Dye-Max line, explained Imogos founding partner Per Stenflo. There is one set of spray cassettes for each of the three separate dye dispersion feed lines and they can be easily exchanged without the need for tools in less than a minute. This allows for extremely fast changeovers between different colors without the need for cleaning. And because the spray cassettes are removable, all maintenance can be performed offline. After applying the dye dispersion the fabric is rolled onto a shaft and moved to the autoclave for deep dye fixation via heat and pressure.

Dye-Max operates at up to 50 m/min. The company also offers a Mini-Max for laboratory-scale runs. With the Mini-Max it is possible to run miniature production tests to set the precise color recipe, Stenflo said. The user simply sets the recipe with the Mini-Max and transfers the parameters to the Dye-Max recipe database for the system to be fully production ready.

The Netherlands-based DyeCoo Textile Systems BV offers a patented waterless dyeing technology that uses reclaimed carbon dioxide (CO2) from its closed-loop system as the dyeing medium instead of water. The CO2 is pressurized into a supercritical form, which has high solvent power and can easily dissolve the dye. According to the company, the dyes are transported easily and deeply into the fibers resulting in vibrant colors. The process boasts a 98-percent uptake of dye and no additional processing chemicals are required. With no water used during production, cost savings are achieved also in wastewater treatments; and further processing to dry the fabric is unnecessary resulting in additional energy savings. DyeCoo reports the technology has been proven to deliver great results on an industrial scale.

Italy-based Karl Mayer Rotal S.r.l., a subsidiary of Germany-based Karl Mayer GmbH & Co. KG, recently launched Greendye indigo dyeing technology. The development dyes the yarns in a nitrogen atmosphere, which reduces the environmental impact of indigo dyeing by limiting the number of baths required and chemicals needed. According to the company, with a high concentration of dye in the bath, the dye diffuses and migrates more intensely into the fiber in the nitrogen atmosphere and the fiber can absorb three times more dye compared to conventional dyeing processes. The use of hydrosulfite and caustic soda may be reduced by as much as 50 percent, which reduces costs and also makes the process more environmentally friendly. Also, because the nitrogen atmosphere fixes the dyestuff well, less water is needed during washing.

Karl Mayer acquired the patents for this nitrogen dyeing technology from Italy-based Master S.r.l. in 2018. After fine-tuning the technology, Karl Mayer Rotal expanded its denim center of excellence with a competence center featuring a Greendye pilot line, showroom, meeting rooms and academy for training. The 13-meter-long pilot line maps the industrial process at a scale of 1:10.

China-based CHTC Fongs International is a group of textile companies Fongs National Engineering Co. Ltd., A. Monforts Textilmaschinen GmbH & Co. KG, Monforts Fongs Textile Textile Machinery Co. Ltd. and Fongs Europe GmbH focused on textile dyeing and finishing machinery.

Germany-based A. Monforts Textilmaschinen had many innovations to share at ITMA 2019. Two that were of great interest to customers included the MonforClean exhaust air treatment system and the CYD [continuous yarn dyeing] multicolor yarn dyeing system.

The MonforClean module is incorporated into its Montex tenter frame, which simplifies the configuration and supporting structures typically required to process the exhaust air to adhere to emissions limits. Waste heat from the drying process is utilized to preheat the drying air to reduces the conventional heat supply required. An automatic exhaust air filter washing system is designed to automatically clean the module, ensuring consistent efficiency of the filter and heat recovery modules. The MonforClean system automates the heat recovery and exhaust air treatment processes making sure exhaust air is highly purified before it is released into the surroundings.

The latest energy-optimized Monforts tenter frame especially combined with a downstream Eco Applicator sets new benchmarks in terms of energy efficiency and helps conserve resources, said Klaus Heinrichs, Monforts vice-president. Setting the initial moisture content requirement for a specific process, before drying to a minimum value with an automated process, helps reduce heat evaporation and consequently, energy consumption.

In addition, the hermetic sealing of the tenter frame prevents the loss of heated air as well as the ingress of excessive cold air which has to be heated back up, Heinrichs noted. The MonforClean module automates the heat recovery and exhaust air treatment processes, while eliminating odors. As a result, the maximum possible energy savings no longer depend on the machine operator, but are instead harnessed in automatic operation.

Monforts CYD multicolor yarn dyeing technology is based on the Econtrol pad-dry technique. Econtrol, a registered trademark of Dystar Colours Distribution GmbH, refers to an established dyeing process for denim fabrics in which the reactive dyestuff is fixed to the cellulose fibers during drying. Monforts now has applied this concept to yarn dyeing with the CYD system. The company reports improvements in fabric quality and dye fixation; as well as time, water and energy savings.

The CYD system allows spinning, direct beaming, warping, assembly beaming, sizing and dyeing to be incorporated into the weaving preparation process. The multicolor technology also includes the addition of an Eco Bleach step combined with the washing units and prior to dyeing. This is compared to a conventional system where bleaching occurs in a separate processing step. CYD makes it possible to process short batches of up to 10,000 meters of yarn to produce up to 300 meters of fabric in a single continuous process. The CYD multicolor yarn dyeing system integrated into the Econtrol process offers manufacturers full dyeing pretreatment.

Monforts Industry 4.0 offering is a digital twin capability using the latest advanced sensor technology to virtually map technical machine data in the cloud in real time. Users can access the data using the Monforts Smart Support and Smart Check apps. Smart Check sensors notify operators when maintenance is required or key components need replacing to prevent machine downtime, among other advanced operations. The Monforts digital twin system and apps are being made available for all of our machine ranges going forward and will make the operations of our customers considerably smarter, and at the same time, simpler, Heinrichs concluded.

Germany-based Goller recently introduced the Knit Merc, a machine designed for dry-on-wet mercerization of cotton and cellulosic fiber knitted fabrics using the lowest possible tension with less than 3-percent variation in dimensional stability. According to the company, Knit Merc can accommodate 8.4 meters of fabric in its impregnation compartment as well as 4 meters in the first chain section. Total production speed is 25 m/min at 30 seconds dipping time. The Knit Merc features an inlet comprised of scroll and slat rollers to guide the fabric, a Tandematic uncurler in front of a rubberized de-airing roller, and a grooved 320-millimeter (mm) bottom roller paired with 320 mm and 600 mm perforated upper drums. An integrated lye tank and automated circulation and filtration units ensure a low liquor ratio. The Knit Merc may be combined with Gollers Sintensa Cyclone drum washing compartment.

The angle of the Then Flexkier featured on the Supratex LTM can be varied to accommodate either dry/jet or wet/overflow modes. This allows the dye liquor ratio to be optimized from 1:15 to 1:4 depending on the material processed. The Supratec LTM can handle woven and knitted fabrics in weights ranging from 25 to 380 grams per linear meter. The low

lifting height between the variable nozzle and plaited fabric means the fabrics are handled under very low tension. Each kier has a capacity of up to 230 kilograms (kg), and operating speeds range from 80 to 600 m/min. Existing Supratec machines on the market are providing excellent performance for a wide range of delicate synthetic fabrics, from polyester to polyamide with high content of elastane, said Fongs Europe Director of Sales and Marketing Richard Fander. Heat-setting often can be avoided, which improves the handle of the material and saves costs and the lengthwise-elongation of the fabric being treated is lower than on winch-driven machines.

The Smartflow TSF high temperature dyeing machine was designed to achieve low energy and water consumption rates compared to other jet dyeing machines. According to the company, for a full load of up to 300 kg, liquor ratios of 1:3.5 for cotton and 1:2.5 for man-made fabrics may be achieved. The fabric transport design is just one feature of the machine that is patent-pending. Then reports this winchless fabric transport system eliminates the need for a loading rope, and a circular plaiter with programmable rotation speeds offers full filling of the drop zone. The Smartflow TSF offers flexibility with dyeing chambers that can accommodate variable loads in terms of weight and material type, and each machine can be equipped with up to eight chambers while taking up 40-percent less floor space than other systems, according to the company. The newly-developed nozzles and reel-less transport in combination with smart controlled circular plaiting and variable chamber adjustment provide even fabric treatment without entanglements and the highest loading capacity with the lowest kier volume, Fander explained. As the process times of jet machines have been continuously optimized over the past few decades, they have required an increasing number of service tanks for dyes, auxiliaries and hot water, adding both expense and additional space requirements. Our new BPU and satellite tank, with its automatic dosing and mixing programs, working in combination with the Then temperature management system, ensures the recipes are supplied in exact quantities, with dyes and auxiliaries well diluted and heated to the required temperature extremely rapidly.

Germany-based Xorella offers conditioning and heat setting equipment for textiles. The latest company development is a reengineered controller and software. The company reports the latest generation offerings were designed with easy operation by less skilled personnel in mind. New interfaces with pictograms assist with troubleshooting. Data also can be saved and shared with the companys service department for analysis and support. Additionally, Xorellas controller allows the machines to be connected to external systems allowing for integration with customers and other third parties.

Germany-based Brckner Trockentechnik GmbH & Co. KG offers drying, coating and finishing machines for fabric, nonwovens, carpet and glass. In recent years, the company has heavily invested in digitization and Industry 4.0 technologies to increase productivity, improve quality and reduce resource use. One area of focus is on intelligent assistance systems to monitor machine settings that can be used to optimize production parameters. Such optimization can increase production speed by up to 40 percent and/or reduce energy consumption by up to 30 percent, according to Brckner.

The company also has invested heavily in developments for the denim sector. The Brckner Sanfor line POWER-SHRINK is particularly useful in denim finishing. The process compacts and stabilizes woven fabrics at speeds of up to 100 m/min, while imparting a shine and soft hand to the fabric. According to the company, large diameter compacting rollers extend the service life of the machines rubber belt; bearings are positioned outside the wet machine area to eliminate bearing corrosion; and an integrated rubber belt grinding unit can be operated using a menu to eliminate operator errors. An optional automatic shrinkage control system also is available.

Brckner also offers the Brckner Power-Frame VNE multilayer tenter that features the entry and exit on the same side, thus requiring only one operator per machine and less floor space for installation. According to the company, such multilayer tenters are suitable for finishing woven or dimensionally stable knits, nonwovens, needle felts, technical textiles or wool fabrics. The VNE dryer is equipped with Brckners patented split-flow air circulation system, and an alternating arrangement in each half compartment ensures optimum and uniform air circulation as well as thermal treatment of the fabric, according to Brckner. The machines lubricant-free transport chain offers the additional advantage of zero oil in the dryers interior, thus removing the potential of oil stains on the finished fabrics.

Germany-based Thies GmbH & Co. KG has introduced a new generation of T390 controllers for Industry 4.0 applications and interfacing appropriate MES systems. The latest version of the companys Maintenance Manager software features the Condition Monitoring module. The software schedules, executes and controls all maintenance and servicing, including procuring spare parts and providing digital technical documentation, according to the company.

The soft-TRD SIII, the third generation of Thies universal dyeing machine, offers liquor ratios starting at 1:5 and is designed to run fabrics sensitive to processing including wovens, knits and nonwovens in a gentle manner. The machine can be configured with up to four chambers with maximum nominal loadings of 100 kg, 150 kg and 200 kg per chamber for versatility in production. According to Thies, free material flow and a low intensive transport zone coupled with a swimming material transport design guarantee relaxation and uniform rope treatment for a wide range of fabric types and weights.

The Thies iCone is used to bleach and dye fibers in a variety of forms including packages, warp beams, combed tops or flocks. The machine may be operated in a traditional manner using reciprocating liquor circulation, or may be operated using a single flow direction and ultra-short liquor ratio starting at 1:3.6.

Last year, Switzerland-based Benninger AG celebrated its 160th anniversary. The company specializes in continuous open-width treatment of knit and woven fabrics, and also offers systems for tire cord production. Some of the companys latest textile offerings include the Benninger-Ksters CPB dyeing center a salt-free cold pad batch dyeing process for knits and wovens; the Tempacta washing steamer for knitted fabrics; and the Benninger-Ksters Multipad for complex impregnation jobs.

The Tempacta washing steamer is designed for low-tension washing including diffusion washing. According to the company, the unit features a consistent counterflow water supply, and measures the degree of contamination in process in order to regulate the amount of fresh water needed to guarantee the lowest amount of water is used at the same time.

The new Benninger Ksters Multipad unit comes with an optional double impregnation feature that makes it suitable for both very lightweight knitwear and heavy denim and other fabrics in between. The Multipad may be used for cold bleaching and knitwear pretreatment, as well as denim over-dyeing and mercerizing.

France-based Superba Sas, a Vandewiele company, recently launched the MCD/3 space dyeing machine for carpet yarns. The machine can handle a layer of 72 ends of bulk continuous filament or spun yarn. Dye is applied using a high-pressure spraying technique for even impregnation in a one-pile/one-color process. When paired with the TVP3 heat-setting line, the MCD/3 can space dye polyester or nylon yarns in up to six colors. Bicolored printing effects also can be achieved. In conjunction with Superbas high capacity DL/5 heat setting line, the MCD/3 can also be used to space dye acrylic carpet yarns.

Austria-based J. Zimmer Maschinenbau GmbHs (Zimmer Austrias) Magnoroll is a multipurpose coating machine that offers endless possibilities through use of exchangeable modules. Liquids, pastes, lacquers and foams can be applied to a variety of substrates including traditional textiles, nonwovens, carpets, foils, glass, plastics. The Magnoroll can be modified for each customer depending on their coating needs.

Zimmer also markets the Magnoroll for pre- and post-coating in pigment digital printing processes for improved rubbing fastness. Using the Magnoroll to precoat the fabric removes the need to purchase an expensive preprepared substrate for digital printing.

Process automation equipment manufacturer Baldwin Technology Co. Inc., St. Louis, introduced the TexCoat 4G last year. This non-contact spray application system which has its origins in a 35-year-old spray system used in the paper industry can apply a variety of chemistries in a precise manner to either one, or both, sides of a fabric at the same time. The spray nozzles overlap slightly to ensure total coverage, but using smart technology, are programmed to cycle on and off to avoid overlapping spray that could cause striping. The technology does not employ a pad bath so there is no dilution of the chemistry, which solves the problem of tailing out. Also, because the system is totally enclosed, there is virtually zero chemistry waste or contamination. Instead of dipping fabric or padding a coating on, the fabric simply passes through nozzles in a controlled manner which results in a high-quality, uniform and consistent application. Clean-up is greatly simplified, and changeovers can be done quickly and efficiently via the fully automatic flushing system that performs a chemistry change in less than five minutes. A wide range of low-viscosity water-based chemistries, including water repellents, softeners, antimicrobials and more, have been effectively demonstrated to date with more developments in the works. Brands have taken notice of the sustainability and eco-friendly nature of the technology coupled with its flexibility. Baldwin recently completed several installations of the TexCoat in the United States.

The dyeing and finishing industry continues to make strides in developing technologies that make the processes more environmentally friendly and sustainable. Innovation in the sector is continuous and adoption of these technologies will create a more sustainable global textile industry.

wet drum separator

wet drum separator

IFE wet drum separators are used to regenerate magnetizable media, to extract particles out of suspensions and to concentrate iron ore.The drum separator maximizes the gain on magnetic media or highest separation of magnetizable particles as a concentrate respectively.

If ferromagnetic material such as FeSi or magnetite are exposed to a magnetic field, some remanent magnetism remain causing flakes to be generated out of the fines. IFE demagnetization coils are used to prevent the generation of such flakes. A typical application is a swim-sink-system, where regenerated heavy media shall be reused.

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steinert wds for highly efficient recovery of fesi and magnetite steinert

steinert wds for highly efficient recovery of fesi and magnetite steinert

The STEINERT WDS is frequently used especially in the processing of heavy solutions or iron ore at grain sizes between 1 m and 3 mm. Our wet drum magnetic separator basically ensures the recovery of magnetite or ferrosilicon (FeSi) in the regeneration of heavy solutions. The use of powerful magnets made from neodymium-iron-boron and the special design of the magnet packages achieve high field strengths enabling high separation rates of over 99%.

We offer the magnetic drum separator with different magnetic field strengths: as the strong field WHIMS, medium field MIMS weak field LIMS separator. The large STEINERT WDS wet drum magnetic separator therefore works extremely efficiently. A second separation stage can thus frequently be excluded due to the high separation rates.

The magnetic system here is positioned eccentrically. This means that the magnetic force is only at its maximum in the sorting zone. Removal from the drum occurs very reliably in an area that has no magnetic fields. Two different versions of the STEINERT WDS matched to your specific application are at your disposal; these operate with different directions of drum rotation. The drum can either rotate in the advancing solution's flow direction or against the flow, the so-called "climax style". Optimisation is achieved by the different operating modes depending on the proportion of magnetic particles, target grain size and desired throughput.

The current design of our separation container increases the ease of maintenance and also ensures reliable operation. Easy to clean filter meshes in the feeder also prevent the entry of parts that are too large. Homogeneous feed and discharge over the entire drum width also ensure a laminar flow, thereby optimising the conditions for separation.

Diameters up to 1.2 m and working widths up to 3.6 m are just as possible as cascade or parallel arrangements at higher throughput rates. There is also a version available as a double magnet separator, for example, which provides additional benefits like space saving or a reduced need for peripheral equipment.

multotec | mineral processing

multotec | mineral processing

For over 45 years, weve been driven by one primary goal: helping customers get more from their ore. We partner with our clients to drive continuous process optimisation to their plant with application-specific mineral processing solutions that:

For over 45 years, weve helped the worlds biggest mining houses maximise process efficiency and plant uptime, increase levels of product quality, consistency and reliability, and enhance product speed to market.

Multotec is active across the world. Through our global presence, we deliver local expertise, with engineered solutions and services tailored to the unique mineral processing requirements of each region.

wet high intensity magnetic separator, dry drum magnetic separator, magnetic separator suppliers - longi magnet co., ltd

wet high intensity magnetic separator, dry drum magnetic separator, magnetic separator suppliers - longi magnet co., ltd

Thailand has plenty of river sand resource which is high quality of silica sand, upto 99.6% SiO2. In the northest, the river sand had been proved that the high iron contaimination Fe2O3 upto 0.165% can be lowered down to 0.065% by high gradient magnetic separation technology.

Recycling aluminum refers to the scrap aluminum as the main raw material to obtain aluminum alloy after pretreatment, smelting, refining, and ingot casting. Aluminum has features of strong corrosion resistance, low loss during use, and will not lose its basic characteristics after repeated recycling for many times, and has extremely high recycling value.

Wet magnetic separation is widely used in the purification of quartz sand, which has the characteristics of significant iron removal effect, large handling capacity and no dust pollution. In the primary stage of quartz sand purification, wet magnetic separation is generally considered to be an excellent way of iron removal purification, but in the stage of high-purity quartz cleaning, the conventional wet magnetic separation purification effect is not obvious, the reasons can be summarized as three points.

LONGi magentic separator bring hot sales, recently,RCBD flame-proof electromagnetic separator in addition with excellent iron removel performance, excellent heat dissipation efficiency and perfect service guarantee ability successfully won the bid for the domestic leading coal enterprises, a total of 39 sets, lay a good foundation for the market follow-up development.

home king canada - power tools, woodworking and metalworking machines by king canada

home king canada - power tools, woodworking and metalworking machines by king canada

King Canada is Canadas leading distributor of woodworking, metalworking, automotive and material handling machinery, tools, equipment and accessories. King Canada offers innovative products to commercial industries and institutions, as well as to homeowners and professional trades.

Our goal and commitment: To constantly strive to introduce new, innovative and exclusive products offering great value in each category, which provide our customers with products and solutions that meet their highest expectations.

air amplifiers | nex flow air products

air amplifiers | nex flow air products

Nex Flow Air amplifiers are compact, low cost air flow movers that are virtually maintenance free. Applications include the venting of fumes and smoke, conveying of low weight materials, and entraining a high volume of air to cool, blow off, and dry. Air Amplfiiers use the Coanda effect to draw in the surrounding atmosphereic air while consuming only aminimal amount of compressed air. These products can amplify airflow up to 17 times (depending on the size) resulting in dramatcally reduced levels of noise.

Air Amplifiers (also called Air Movers) draw in atmospheric air from the back of the unit as well as having downstream entrainment further amplifying the flow. They are used for cooling and venting. While the force produced for blow off decreases as the amplifier outlet diameter increases, these Air Movers are ideal for cooling because of the high velocity outlet fow and and are much more effective for cooling compaed to air nozzles.

The air amplification ratio (hover for definition) varies from 6 up to 17 depending on size of the air amplifier. If the ratio is higher than 17 the velocity could decrease too much and the blow off force would become too weak and ineffective because of inadequate velocity. With much lower velocity the cooling effect is dramatically redcued as well. Nex Flow offers units for testing and welcomes comparisons to competitive models so you can confirm actual results in house..

Nex Flows Fixed X-Stream Air Amplifier comes complete with mounting holes for easy mounting. The units are easy to maintain with virtually no maintenance. They reduce both compressed air consumption and noise levels significantly. By harnessing the energy from an input of a small amount of compressed air, the Standard Air Amplifier creates a high velocity, high volume, low pressure air flow output with high kinetic energy. They are quiet and amplify up to 17 times the air they consume depending on the size.

The Adjustable Air Amplifier is is similar in prniciple of operation as the Standard Amplffier except that the gap is adjustable. They are made of either anodized aluminum for regulatr use or in stainless steel for high temperature, corrosive atmospheres and for food and pharmaceutical applications. You can set the air gap to increase or decrease flow and force and then lock it in place with the lock ring. The applications are similar to a standard air amplifier but tends to be popular with OEMs because of its versatility and compact, lightweight design.

Nex Flow Air amplifiers are compact, low cost air flow movers that are virtually maintenance free. Applications include the venting of fumes and smoke, conveying of low weight materials, and entraining a high volume of air to cool, blow off, and dry. Air Amplfiiers use the Coanda effect to draw in the surrounding atmosphereic air while consuming only aminimal amount of compressed air. These products can amplify airflow up to 17 times (depending on the size) resulting in dramatcally reduced levels of noise.

Air Amplifiers (also called Air Movers) draw in atmospheric air from the back of the unit as well as having downstream entrainment further amplifying the flow. They are used for cooling and venting. While the force produced for blow off decreases as the amplifier outlet diameter increases, these Air Movers are ideal for cooling because of the high velocity outlet fow and and are much more effective for cooling compaed to air nozzles.

The air amplification ratio (hover for definition) varies from 6 up to 17 depending on size of the air amplifier. If the ratio is higher than 17 the velocity could decrease too much and the blow off force would become too weak and ineffective because of inadequate velocity. With much lower velocity the cooling effect is dramatically redcued as well. Nex Flow offers units for testing and welcomes comparisons to competitive models so you can confirm actual results in house..

Nex Flows Fixed X-Stream Air Amplifier comes complete with mounting holes for easy mounting. The units are easy to maintain with virtually no maintenance. They reduce both compressed air consumption and noise levels significantly. By harnessing the energy from an input of a small amount of compressed air, the Standard Air Amplifier creates a high velocity, high volume, low pressure air flow output with high kinetic energy. They are quiet and amplify up to 17 times the air they consume depending on the size.

The Adjustable Air Amplifier is is similar in prniciple of operation as the Standard Amplffier except that the gap is adjustable. They are made of either anodized aluminum for regulatr use or in stainless steel for high temperature, corrosive atmospheres and for food and pharmaceutical applications. You can set the air gap to increase or decrease flow and force and then lock it in place with the lock ring. The applications are similar to a standard air amplifier but tends to be popular with OEMs because of its versatility and compact, lightweight design.

magnetic separator - an overview | sciencedirect topics

magnetic separator - an overview | sciencedirect topics

As magnetic separators progress toward larger capacity, higher efficiency, and lower operating costs, some subeconomic iron ores have been utilized in recent years. For example, magnetite iron ore containing only about 4% Fe (beach sands or ancient beach sands) to 15% Fe (iron ore formations) and oxidized iron ore of only about 10% Fe (previously mine waste) to 20% Fe (oxidized iron ore formations) are reported to be utilized. They are first crushed and the coarse particles pretreated using roll magnetic separators. The magnetic product of roll magnetic separators may reach 2540% Fe and then is fed to mineral processing plants.

As shown in Figure5, slurry is fed from the top of an inclined screen in a low-intensity magnetic field, with the mesh size of screen sufficiently larger than those of particles in slurry. As the slurry flows down the above surface of screen, magnetic particles agglomerate with the size of agglomerations increasingly growing and roll down as magnetic concentrate at the lower end of screen. The less- or nonmagnetic particles pass through the screen as tailings. Figure5 shows the operation of screen magnetic separators for cleaning of magnetite.

Commercial magnetic separators are continuous-process machines, and separation is carried out on a moving stream of particles passing into and through the magnetic field. Close control of the speed of passage of the particles through the field is essential, which typically rules out free fall as a means of feeding. Belts or drums are very often used to transport the feed through the field.

As discussed in Section 13.4.1, flocculation of magnetic particles is a concern in magnetic separators, especially with dry separators processing fine material. If the ore can be fed through the field in a monolayer, this effect is much less serious, but, of course, the capacity of the machine is drastically reduced. Flocculation is often minimized by passing the material through consecutive magnetic fields, which are usually arranged with successive reversals of the polarity. This causes the particles to turn through 180, each reversal tending to free the entrained gangue particles. The main disadvantage of this method is that flux tends to leak from pole to pole, reducing the effective field intensity.

Provision for collection of the magnetic and nonmagnetic fractions must be incorporated into the design of the separator. Rather than allow the magnetics to contact the pole-pieces, which then requires their detachment, most separators are designed so that the magnetics are attracted to the pole-pieces, but come into contact with some form of conveying device, which carries them out of the influence of the field, into a bin or a belt. Nonmagnetic disposal presents no problems; free fall from a conveyor into a bin is often used. Middlings are readily produced by using a more intense field after the removal of the highly magnetic fraction.

Conventional magnetic separators are largely confined to the separation or filtration of relatively large particles of strongly magnetic materials. They employ a single surface for separation or collection of magnetic particles. A variety of transport mechanisms are employed to carry the feed past the magnet and separate the magnetic products. The active separation volume for each of these separators is approximately the product of the area of the magnetised surface and the extent of the magnetic field. In order for the separators to have practical throughputs, the magnetic field must extend several centimetres. Such an extent implies a relatively low magnetic field gradient and weak magnetic forces.

To overcome these disadvantages HGMS has been developed. Matrices of ferromagnetic material are used to produce much stronger but shorter range magnetic forces over large surface areas. When the matrices are placed in a magnetic field, strong magnetic forces are developed adjacent to the filaments of the matrix in approximately inverse proportion to their diameter. Since the extent of the magnetic field is approximately equal to the diameter of the filaments the magnetic fields are relatively short range. However, the magnetic field produced is intense and permits the separation and trapping of very fine, weakly magnetic particles (Oberteuffer, 1979).

The transport medium for HGMS can be either liquid or gaseous. Dry HGMS processing has the advantage of a dry product although classification of the pulverised coal is required to ensure proper separation. Small particles tend to agglomerate and pass through the separator. It has been shown that individual particles of coal in the discharge of a power plant pulveriser flow freely and hence separate well only if the material below about 10 m is removed (Eissenberg et al., 1979). Even then drying of that part of run of mine coal to be treated by HGMS may be required to ensure good flow characteristics.

A schematic representation of a batch HGMS process is shown in Figure 11.5 (Hise, 1979, 1980; Hise et al., 1979). It consists of a solenoid, the core cavity of which is filled with an expanded metal mesh. Crushed coal is fed to the top of the separator. Clean coal passes through while much of the inorganic material is trapped to be released when the solenoid is later deactivated.

Data from a batch HGMS process of one size fraction of one coal are plotted in Figure 11.6 as weight per cent of material trapped in the magnetic matrix, the product sulphur and the product ash versus the independent variable of superficial transport velocity. At low superficial transport velocities the amount of material removed from the coal is high partly due to mechanical entrapment. As the velocity is increased the importance of this factor diminishes but hydrodynamic forces on the particles increase. These hydrodynamic forces oppose the magnetic force and the amount of material removed from the coal decreases (Hise, 1979).

For comparison, Figure 11.7 shows data from a specific gravity separation of the same size fraction of the same coal. While the sulphur contents of the products from the two separation processes are similar the ash content of the HGMS product is considerably higher than that of the specific gravity product. It should be emphasised that this comparison was made for one size fraction of one coal.

More recently dry HGMS has been demonstrated at a scale of 1 t/h on carousel type equipment which processes coal continuously (Figure 11.8; Hise et al., 1981). A metal mesh passes continuously through the magnetised cavity so that the product coal passes through while the trapped inorganics are carried out of the field and released separately.

Wet HGMS is able to treat a much wider range of coal particle sizes than dry HGMS. The efficiency of separation increases with decreasing particle size. However, depending on the end use a considerable quantity of energy may have to be expended in drying the wet, fine coal product. Wet HGMS may find particular application to the precleaning of coal for use in preparing coal water mixtures for subsequent combustion as both pulverising the coal to a fine particle size and transporting the coal in a water slurry are operations common to both processes.

Work at Bruceton, PA, USA has compared the pyrite reduction potential of froth flotation followed by wet HGMS with that of a two stage froth flotation process (Hucko and Miller, 1980). Typical results are shown in Figures 11.9 and 11.10. The reduction in pyritic sulphur is similar in each case although a greater reduction in ash content is achieved by froth flotation followed by HGMS than by two stage froth flotation. However, Hucko (1979) concludes that it is highly unlikely that HGMS would be used for coal preparation independently of other beneficiation processes. As with froth flotation there is considerable variation in the amenability of various coals to magnetic beneficiation.

In the magnetic separator, material is passed through the field of an electromagnet which causes the retention or retardation of the magnetic constituent. It is important that the material should be supplied as a thin sheet in order that all the particles are subjected to a field of the same intensity and so that the free movement of individual particles is not impeded. The two main types of equipment are:

Eliminators, which are used for the removal of small quantities of magnetic material from the charge to a plant. These are frequently employed, for example, for the removal of stray pieces of scrap iron from the feed to crushing equipment. A common type of eliminator is a magnetic pulley incorporated in a belt conveyor so that the non-magnetic material is discharged in the normal manner and the magnetic material adheres to the belt and falls off from the underside.

Concentrators, which are used for the separation of magnetic ores from the accompanying mineral matter. These may operate with dry or wet feeds and an example of the latter is the Mastermag wet drum separator, the principle of operation of which is shown in Figure 1.43. An industrial machine is shown in operation in Figure 1.44. A slurry containing the magnetic component is fed between the rotating magnet drum cover and the casing. The stationary magnet system has several radial poles which attract the magnetic material to the drum face, and the rotating cover carries the magnetic material from one pole to another, at the same time gyrating the magnetic particles, allowing the non-magnetics to fall back into the slurry mainstream. The clean magnetic product is discharged clear of the slurry tailings. Operations can be co- or counter-current and the recovery of magnetic material can be as high as 99.5 per cent.

An example of a concentrator operating on a dry feed is a rotating disc separator. The material is fed continuously in a thin layer beneath a rotating magnetic disc which picks up the magnetic material in the zone of high magnetic intensity. The captured particles are carried by the disc to the discharge chutes where they are released. The nonmagnetic material is then passed to a second magnetic separation zone where secondary separation occurs in the same way, leaving a clean non-magnetic product to emerge from the discharge end of the machine. A Mastermagnet disc separator is shown in Figure 1.45.

The removal of small quantities of finely dispersed ferromagnetic materials from fine minerals, such as china clay, may be effectively carried out in a high gradient magnetic field. The suspension of mineral is passed through a matrix of ferromagnetic wires which is magnetised by the application of an external magnetic field. The removal of the weakly magnetic particles containing iron may considerably improve the brightness of the mineral, and thereby enhance its value as a coating or filler material for paper, or for use in the manufacture of high quality porcelain. In cases where the magnetic susceptibility of the contaminating component is too low, adsorption may first be carried out on to the surface of a material with the necessary magnetic properties. The magnetic field is generated in the gap between the poles of an electromagnet into which a loose matrix of fine stainless steel wire, usually of voidage of about 0.95, is inserted.

The attractive force on a particle is proportional to its magnetic susceptibility and to the product of the field strength and its gradient, and the fine wire matrix is used to minimise the distance between adjacent magnetised surfaces. The attractive forces which bind the particles must be sufficiently strong to ensure that the particles are not removed by the hydrodynamic drag exerted by the flowing suspension. As the deposit of separated particles builds up, the capture rate progressively diminishes and, at the appropriate stage, the particles are released by reducing the magnetic field strength to zero and flushing out with water. Commercial machines usually have two reciprocating canisters, in one of which particles are being collected from a stream of suspension, and in the other released into a waste stream. The dead time during which the canisters are being exchanged may be as short as 10 s.

Magnetic fields of very high intensity may be obtained by the use of superconducting magnets which operate most effectively at the temperature of liquid helium, and conservation of both gas and cold is therefore of paramount importance. The reciprocating canister system employed in the china clay industry is described by Svarovsky(30) and involves the use a single superconducting magnet and two canisters. At any time one is in the magnetic field while the other is withdrawn for cleaning. The whole system needs delicate magnetic balancing so that the two canisters can be moved without the use of very large forces and, for this to be the case, the amount of iron in the magnetic field must be maintained at a constant value throughout the transfer process. The superconducting magnet then remains at high field strength, thereby reducing the demand for liquid helium.

Micro-organisms can play an important role in the removal of certain heavy metal ions from effluent solutions. In the case of uranyl ions which are paramagnetic, the cells which have adsorbed the ions may be concentrated using a high gradient magnetic separation process. If the ions themselves are not magnetic, it may be possible to precipitate a magnetic deposit on the surfaces of the cells. Some micro-organisms incorporate a magnetic component in their cellular structure and are capable of taking up non-magnetic pollutants and are then themselves recoverable in a magnetic field. Such organisms are referred to a being magnetotactic.

where mpap is the inertial force and ap the acceleration of the particle. Fi are all the forces that may be present in a magnetic separator, such as the magnetic force, force of gravity, hydrodynamic drag, centrifugal force, the friction force, surface forces, magnetic dipolar forces, and electrostatic forces among the particles, and others.

Workable models of particle motion in a magnetic separator and material separation must be developed separately for individual types of magnetic separators. The situation is complicated by the fact that many branches of magnetic separation, such as separation by suspended magnets, magnetic pulleys, or wet low-intensity drum magnetic separators still constitute highly empirical technology. Hesitant steps have been taken to develop theoretical models of dry separation in roll and drum magnetic separators. Alternatively, open-gradient magnetic separation, magnetic flocculation of weakly magnetic particles, and wet high-gradient magnetic separation (HGMS) have received considerable theoretical attention. A notable number of papers dealing with the problem of particle capture in HGMS led to an understanding of the interaction between a particle and a matrix element. However, completely general treatment of the magnetostatic and hydrodynamic behavior of an assembly of the material particles in a system of matrix elements, in the presence of a strong magnetic field, is a theoretical problem of considerable complexity which has not been completed, yet. Detailed description of particle behavior in various magnetic separators can be found in monographs by Gerber and Birss (1983) and Svoboda (1987, 2004).

The brick material ratio was: Slag(1.0mm<): Grog (3.0mm<): Ceramic Gravel (1.0mm<): Clay (1.0mm<) at 20 : 35 : 25 : 20. To this mixture, 2% of pigment were added. Kneading and blending was done by a Mller mixer for 15 minutes. Molding was done by a 200 ton friction press, and the bricks were loaded onto the sintering truck.

This paper presents preliminary results using the Magnetic Micro-Particle Separator, (MM-PS, patent pending) which was conceived for high throughput isothermal and isobaric separation of nanometer (nm) sized iron catalyst particles from Fischer-Tropsch wax at 260 oC. Using magnetic fields up to 2,000 gauss, F-T wax with 0.30.5 wt% solids was produced from 25 wt% solids F-T slurries at product rates up to 230 kg/min/m2. The upper limit to the filtration rate is unknown at this time. The test flow sheet is given and preliminary results of a scale-up of 50:1 are presented.

Most loads for flap valves, conveyors, vibrating feeders, crushers, paddle feeders, magnetic separators, fans and trash screens generally are supplied at 415 V three-phase 50 Hz from the 415 V Coal Plant Switchboard, although 3.3 kV supplies may be used when the duty demands. Stacker/reclaimer machines are supplied at 3.3 kV. Electrical distribution is designed to safeguard the independent operational requirements of the duplicated coal plant facilities and to ensure that an electrical fault will not result in the total loss of coal supplies to the boilers.

The first step in any form of scrubbing unit is to break the lumpy materials and remove tramp elements by a magnetic separator. The product is then led into the scrubbing unit. The dry scrubbing principle is to agitate the sand grains in a stream of air so that the particles shot-blast each other. A complete dry scrubbing plant has been described in a previous book of this library in connection with sodium silicate bonded sands.* For clay-bonded sands the total AFS clay content in the reclaimed sand varies from 05% to 25% clay depending on the design of the plant.

wet drum magnetic separator for separating fine-grained particles in slurries steinert

wet drum magnetic separator for separating fine-grained particles in slurries steinert

Our STEINERT wet drum magnetic separators are used in the fine grain range from 1 m up to 3000 m (0.001 mm 3 mm) to separate magnetic particles from process liquids, sludges or emulsions. Their strong magnetic fields enable the efficient separation of magnetite or ferrosilicon from the wet medium. Either a combination of the STEINERT HGF matrix separator and STEINERT NTS wet drum magnetic separator or with extreme throughputs the large STEINERT WDS drum separator can be used depending on the grain size, the levels of ferromagnetic particles and the required throughput.

The applications range from processing heavy solutions from flotation or sink/float separation, iron ore beneficiation through to the cleaning of process water from degreasing baths or coolants. The processing objective here can be both the recovery of valuable iron particles and the avoidance of disruptive iron particles, e.g. upstream of membrane or ultra-filtration.

magnetic separators

magnetic separators

The science of magnetic separation has experienced extraordinary technological advancements over the past decade. As a consequence, new applications and design concepts in magnetic separation have evolved. This has resulted in a wide variety of highly effective and efficient magnetic separator designs.

In the past, a process engineer faced with a magnetic separation project had few alternatives. Magnetic separation was typically limited and only moderately effective. Magnetic separators that utilized permanent ferrite magnets, such as drum-type separators, generated relatively low magnetic field strengths. These separators worked well collecting ferrous material but were ineffective on fine paramagnetic particles. High intensity magnetic separators that were effective in collecting fine paramagnetic particles utilized electromagnetic circuits. These separators were large, heavy, low capacity machines that typically consumed an inordinate amount of power and required frequent maintenance. New developments in permanent magnetic separation technology now provide an efficient alternative for separation of paramagnetic materials.

Technological advances in the field of magnetic separation are the result of several recent developments. First, and perhaps most important, is the ability to precisely model magnetic circuits using sophisticated multi-dimensional finite element analysis (FEA). Although FEA is not a new tool, developments in computing speed over the last decade have made this tool readily accessible to the design engineer. In this technique, a scaled design of the magnetic circuit is created and the magnetic characteristics of the individual components quantified. The FEA model is then executed to determine the magnetic field intensity and gradient. Using this procedure, changes to the magnetic circuit design can be quickly evaluated to determine the optimum separator configuration. This technique can be applied to the design of both permanent and electromagnetic circuits. As a consequence, any type of magnetic separator can be developed (or redesigned) with a high level of confidence and predictability.

Equally important has been the recent development of rare-earth permanent magnets. Advances in rare-earth magnet materials have revolutionized the field of magnetic separation. The advent of rare-earth permanent magnets in the 1980s provided a magnetic energy product an order of magnitude greater than that of conventional ferrite magnets. Rare-earth magnetic circuits commonly exhibit a magnetic attractive force 20 to 30 times greater than that of conventional ferrite magnets. This development has provided for the design of high-intensity magnetic circuits that operate energy-free and surpass the strength and effectiveness of electromagnets.

Finally, the materials of construction used in the fabrication of magnetic separators have advanced to a point that significantly extends service life while decreasing maintenance. Advanced materials, such as fiber composites, kevlar, ultra high molecular weight polyester, and specialty steel alloys are now commonly used in contact areas of the separator. These materials are lightweight, abrasion resistant, and comparatively inexpensive resulting in significant design advantages as compared to previous construction materials.

The evolution of high strength permanent rare-earth magnets has led to the development of high-intensity separators that operate virtually energy free. The use of rare-earth magnetic separators for beneficiation of industrial minerals has become the industry standard with literally hundreds of separators placed in recent years. The following sections present an overview of the most widely used permanent magnetic separators: rare-earth drum and rare-earth roll-type separators.

Of the roll separators, there are at least fourteen manufacturers. Most of the different makes are based on the original Permroll design concept originated by this author. Various enhancements have been mainly focused on the belt tracking methods. New magnetic roll configurations and optimization of roll designs are relatively recent innovations. Additional optimization efforts are in progress.

At last count, seven manufacturers have commercially available drum separators, most based on magnet circuits derived from the use of conventional ferrite magnet. Two unique designs have been developed with one clearly offering advantages over older configurations.

Rare-earth elements have some unique properties that are used in many common applications, such as TV screens and lighters. In the 1970s, rare-earths began to be used in a new generation of magnetic materials, that have very unique characteristics. Not only were these stronger in the sense of attraction force between a magnet and mild steel (high induction, B), the coercivity (Hc) is extremely high. This property makes the magnetization of the magnet body composed of a rare-earth element alloy very stable, i.e., it cannot easily be demagnetized.

It was a well known fact that permanent magnets positioned on both sides of a flat steel body can magnetize the steel to a high level, if the magnet poles were the same on each side, i.e., the magnets would repel each other. However, in the past, large magnet volumes were required to achieve any substantial magnetization. With the new powerful magnets, the magnet volume could be relatively small to generate high steel magnetization. In 1981 this author determined the optimum ring size for samarium-cobalt magnets. Maximum steel magnetization (near saturation) could be obtained if the rings were stacked to make a roll using a 4:1 ratio of magnet to steel thickness, see Figure 1. Since magnetized particles are attracted to the magnetized steel surface on the roll periphery, this means that 20% of the exposed roll surface would collect such material. This collection area is an order of magnitude greater than what could be achieved with prior art magnets, making the magnetic roll useful for mineral separation.

Although one of the first prototype rare-earth magnetic rolls was calculated to have about 14,000 gauss steel magnetization, it was found in comparative testing with electromagnetic induced roll (IMR) separators operating at about 21,000 gauss, that similar performance was obtained in fine particle processing (smaller than 1 mm). When processing coarser particles an improved performance was established (e.g., less weakly magnetic contaminants remaining in the upgraded product and fewer separation passes to achieve high quality). The improvement results because the magnetic force acting on the particles is high, due to a high flux gradient. An electromagnetic induced magnetic roll separator has an air gap, which must be increased to accommodate the processing of larger particles. The rare-earth magnetic roll (REMR) magnetic separator has no such air gap. Consequently, the magnetic force does not decline in the manner of an IMR set with a large air gap.

As the name implies, suspended magnets are installed over conveyors to lift tramp iron out of the burden. Suspended magnets have been more frequently applied as conveyor speeds have increased. Suspended type magnets are capable of developing very deep magnetic fields and magnet suspension heights as high as 36 are possible.

Suspended magnets are of two basic types (1) circular and (2) rectangular. Because of cost considerations, the rectangular suspended magnet is nearly always used. Magnet selection requires careful analysis of the individual system to insure adequate tramp iron removal. Factors that must be considered include:

The position in which the magnet must be mounted will also influence the size of magnet required. The preferred position is at an angle over the head pulley of the conveyor where the load breaks open and the tramp iron is free to move easily to the magnet face. When the suspended magnet must be mounted back from the head pulley parallel to the conveyor, tramp iron removal is more difficult and a stronger magnet is required.

Magnetic drum separators come in many different styles. Tramp iron drum separators usually use a magnet design referred to as a radial type. In such a unit the magnet poles alternate across the width of the drum and are of the same polarity at any point along the drums circumference. The magnet assembly is held stationary by clamp bearings and the drum shell is driven around this magnet assembly.

Drum-separators lend themselves to installation in chutes or at the discharge point of bucket elevators or screen conveyors.The capacity and type of tramp iron to be removed will determine the size selection of a drum separator. They are available in both permanent and electro magnetic types.

Standard drum diameters are 30 and 36. General guide lines, in diameter selection, are based on (1) feed volume (2) magnetic loadings and (3) particle size. The 30 diameter drum guide lines are roughly maximum of 75 GPM per foot feed volume, 8 TPH per foot magnetic loading and 10 mesh particle size. The 36 guide lines are 125 GPM per foot feed volume, 15 TPH per foot magnetic loading and 3/8 inch particle size.

For many years, wet magnetic drum separator magnet rating has been on the basis of a specified gauss reading at 2 from the drum face. The gauss reading is an average of readings taken at the centerline of each pole and the center of the magnet gap measured 2 inches from the drum surface. This rating tends to ignore edge of pole readings and readings inside of the 2 inch distance, particularly surface readings which are highly important in effective magnetic performance.

We have previously discussed dry drum separators as used for tramp iron removal. A second variety of drum separator is the alternating polarity drum separator. This separator is designed to handle feeds having a high percentage of magnetics and to obtain a clean, high grade, magnetic concentrate product. The magnet assembly is made up of a series of poles that are uniform in polarity around the drum circumference. The magnet arc conventionally covers 210 degrees. The magnet assembly is held in fixed operating position by means of clamp bearings and the cylinder is driven around this assembly.

Two styles of magnet assemblies are made up in alternating polarity design. The old Ball-Norton type design has from 8 to 10 poles in the 210 arc and develops a relatively deep magnetic field. This design can effectively handle material as coarse as 1 inch while at the same time imparting enough agitation in traversing the magnetic arc to effectively reject non-magnetic material and produce a clean magnetic concentrate product. The 30 diameter alternating polarity drum is usually run in the 25 to 35 RPM speed range.

Application of the high intensity cross-belt is limited to material finer than 1/8 inch size with a minimum amount of minus 200 mesh material. The cost of this separator is relatively high per unit of capacity approaching $1000 per inch of feed width as compared to $200 per inch of feed width on the induced roll separator.

This investigation for an improved separator is a continuation of the previously reported pioneering research of the Bureau of Mines on the matrix-type magnetic separator. When operated with direct current. or a constant magnetic field, the matrix-type magnetic separator has several disadvantages, which include incomplete separation of magnetic and nonmagnetic components in one pass and the retention of some of the. magnetic fraction at the discharge quadrant. Since the particle agitation that results from pulsed magnetic fields may overcome these factors, operation with an alternating current would be an improvement. Another possibility is the separation of dry feeds, which may have applications where the use of water must be avoided.

The effects of an alternating field were first described by Mordey and later by others of whom Doan provides a bibliographical resume. The significant feature to note in the description by Mordey is the change from a repulsion in weak fields to an attraction in strong fields, in addition to a difference in response with different minerals. The application by Mordey was with wet feeds using launders and inclined surfaces, although applications by others are with both wet and dry feeds.

Except for occasional later references the interest in alternating current for magnetic separation has almost disappeared. Lack of interest is probably due to the apparent high power consumption required to generate sufficiently intense magnetic fields, a problem that warrants further consideration.

The matrix separator differed somewhat from the slotted pole type described in a previous report in that the flux passed into the matrix from only one side, the inverted U-shaped magnet cores 4 and 7 illustrated in figure 1. Figure 1 shows a front view, side view, and a bottom view of the matrix-type magnetic separator. By this arrangement, an upward thrust could be exerted on the matrix disk during each current peak; the resulting induced vibration would accelerate the passage of the feed as well as the separation of the magnetic particles from the nonmagnetic particles since the applied field during the upward thrust preferentially lifts

The matrix disk 5 rotates successively through field and field-free quadrants. Where a given point on the disk emerges into a field quadrant, feed is added from a vibrating feeder; nonmagnetic particles fall through the matrix, and magnetic particles are retained and finally discharged in the succeeding field-free quadrant.

Two types of disks were used, a sphere matrix illustrated in top and cross-sectional views in figure 2 and a grooved plate type similarly illustrated in figure 3. Both the spheres and grooved plates were mounted on a nonmagnetic support 1 of optimum thickness for vibration movement (figs. 2-3). The sphere matrix disk, similar to that of the earlier model, had a matrix diameter 8 of 8.5 inches and spokes 7 spaced 45 apart; the spheres were retained by brass screens 4 (fig. 2).

The grooved plate disk was an assemblage of grooved steel plates that tapered so that one edge 5 was thinner than the other 6 (fig. 4) to provide a stack in the form of a circle having an outside diameter 9 of 7.9 inches (fig. 3). The plates were retained by two split aluminum rings 8 and 3 clamped in two places 1 and 11. They were stacked so that the vertically oriented grooves of one plate touched the flat side of the second plate. As illustrated in figure 4, two slots 3 and 4 were added to reduce eddy current losses.

Both disks 5 illustrated in figure 1 were rotated by a pulley 1 through a steel shaft 8 held by two aluminum bars 2 and which in turn were fastened to aluminum bars 3 and steel bars 6. The magnetic cores 4 and 7 were machined from 10- by 12-inch E-shaped Orthosil transformer laminations. For wet feeds,

With the information derived from the performance of this separator, a cross-belt-type separator was also constructed as illustrated in figure 5, which shows a front view and a cross-sectional view through the center of the magnet core. The cross-belt separator mentioned here differs somewhat from the conventional cross-belt separator in that the belt 5 moves parallel to the feed direction instead of 90 with the feed direction. The magnetic core, composed of parts 17, 19, 21 and 22 that were machined from 7--by 9 inch E-shaped Orthosil transformer laminations, supplies a magnetic field between one magnetic pole 6, which has grooves running parallel to the feed direction, and the other magnetic pole 14. Owing to the higher intensity field at the projection from the grooves, magnetic particles are lifted from feeder 15 to the belt 5. By movement on flat-faced pulleys 3 supported by bearings 4 the belt 5 carries the particles to the discharge chute 7. Nonmagnetic particles fall from the feeder edge and are discharged on the chute 8. A special 0.035-inch-thick Macarco neoprene-dacron endless belt permits a close approach of the feeder surface to the magnet pole 6. The feeder 15 constructed of plexiglass to prevent vibration dampening by eddy currents, is fastened to a vibration drive at 16 derived from a small vibrating feeder used for granular materials. A constant distance between poles 6 and 14 was maintained by acrylic plastic plates 9 on each side of the poles 6 and 14 with a recessed portion 13 to provide room for the belt 5 and feeder 15. The structural support for the separator, which consisted of parts 1, 2, 11, 18, and 20, was constructed of 2- by 2- by -inch aluminum angle to form a rectangular frame, and part 10 was machined from angular stock to form a support for the magnet core.

Each U-shaped magnet core in figure 1 was supplied with two 266-turn coils and two 133-turn coils of No. 10 AWG (American wire gage) heavy polythermaleze-insulated copper wire. With alternating current excitation, the current and voltage are out of phase so that the kilovolt-ampere value is very high even though the actual kilowatt power is low. This difference may be corrected with either series capacitors to reduce the input voltage or parallel capacitors to reduce the input current. However, the circuit that was selected is illustrated in figure 6 in which the two 266-turn coils are connected in series with the capacitor 2. Power is supplied by the 133-turn drive coil 7 that is connected in series with the 133-turn drive coil 9 on the other U-shaped magnet core. Coils 4 and 6 and the capacitor 2 form a circuit that resonates at 60 hertz when the capacitor 2 has a value of 49 microfarads in accordance with the equation

For the capacitance in the power input circuit, the value is calculated on the basis of the equality of equations 2-3. When the input at point 10 is 10 amperes at 126 volts or 1.26 kilovolt-amperes, the current at point 3 and the voltage at

point 1 are 10 amperes and 550 volts, respectively, or a total of 11.0 kilovoIt-amperes for the two magnet cores, which provides a 5,320-ampere- turn magnetization current. The capacitors, a standard power factor correction type, had a maximum rating of 600 volts at 60 hertz.

Application of alternating current to the cross-belt separator is not successful. In contrast to the matrix-type separator in which the feed is deposited on the magnetized matrix, the feed for the cross belt is some distance below a magnet pole where the field is weaker and the force is a repulsion. Even though the magnetic force with the matrix-type separator may be a repulsion instead of an attraction, it would result in the retention of the magnetic fraction in the matrix. Replacement of the alternating current with an intermittent current eliminates the repulsion effect but still retains the particle vibration characteristics.

For an intermittent current the circuit shown in figure 7 is used. A diode 5 supplies the current to a coil 4, which can be the magnetizing coil for the cross-belt separator, or for one magnet core of the matrix-type separator that is connected in parallel or series with the coil for the other core. A coil 2 is supplied with half-wave-rectified current from a diode 6 but is out of phase with the other coil 4 and is only applicable to a second separator. However, the circuit illustrates the reduction of the kilovolt-ampere load of intermittent magnetizing currents. As an example, measurements were, made with the two magnet cores of figure 1; each core had 532 turns of wire. When the capacitor 9 has a value of 72 microfarads, the current at point 8 is 13 amperes, and the voltages at points 10, 1, and 7 are 75, 440, and 390 volts, respectively. The kilovoIt-ampere input at point 11 is therefore 0.98, and the kilovolt-amperes supplied to the coils is 5.07. This circuit is not a simple resonance circuit, as shown in figure 6, but a circuit in which the correct value of the capacitor 9 depends on the current. At currents lower than 13 amperes, the 72-microfarad value is too large.

However, separations with intermittent current were confined to a simple one-diode circuit. With the matrix-type separator, each magnet core carried 10.5 amperes at 240 volts through 399 wire turns or a total of 21 amperes since the two cores were connected in parallel. For the cross-

belt separator illustrated in figure 5, five 72-turn coils and one 96-turn coil wound with No. 6 AWG heavy polythermaleze-insulated square copper wire were used in series connection. Current-carrying capacity is approximately 40 amperes with an input of approximately 80 volts of half-wave-rectified 60-hertz current. At 40 amperes, the average number of ampere turns would be 18,240. Intermittent current and voltage were measured with the same dynamometer meters used for alternating current; these meters measure an average value.

It is possible to increase the magnetizing current for the matrix-type separator without excessive vibration by increasing the thickness of the plate 1 (figs. 2-3). Another alternative is a combination of intermittent and constant magnetic fields. Although a variety of circuits are possible, the combination of fields was accomplished with the simple adaptation of the stray field losses in a U-shaped magnet core using the circuit of figure 8. The power drawn is full-wave rectification, or half wave for each leg of the magnet core with the flux, from the coils 3 and 4 adding. Owing to magnetic leakage, the flux from the coil nearest to the magnet pole tested predominates. When the magnetic field is measured with a Bell model 300 gaussmeter and observed with a Tektronix type 547 oscilloscope with a type 1A1 amplifier, the results of figure 9 represent a pulsating magnetic field on top of a constant magnetic field plateau.

Although it is known that minerals in water suspension may be separated in the constant-field matrix-type separator at fine sizes, some tests were conducted to investigate if any beneficial effects exist with an intermittent field. One advantage that was found with a minus 325-mesh feed was an increase in the completeness of the discharge of the magnetic fraction with an intermittent field as illustrated in tables 1-2. Both tests had the same average current of 10.5 amperes through the magnetizing coils of each magnet core illustrated in figure 7. The matrix consisted of 1/16-inch-diameter steel spheres.

In the two short-period comparative tests, the wash water for removing the magnetic fraction was the same and was of a quantity that permitted complete discharge with the intermittent field and partial removal with the constant field. After the test was completed, magnetic particles retained with the constant field were determined by a large increase in the intensity of flow of wash water, a flow volume that would not be practical for normal operation. For separation efficiency, the intermittent field had no advantage over the constant field probably because of a lack of vibration response with minus 325-mesh particles at 60 hertz. This will be described later with dry feeds.

Dry magnetic separation at coarse sizes is not a problem because it may be accomplished with a variety of separator types. Difficulty at fine sizes is twofold. First, the feed rate capacity decreases in the separators with moving conveyor surfaces such as the induced roll and cross-belt separators in which the attracted magnetic particles would have to move at nominal feed rates through a thick layer of nonmagnetic particles; second, an agglomeration effect is present that increases with decrease in particle size.

Results of the separation of several mineral combinations in the size range of minus 200 plus 325 mesh are summarized in tables 3-5. Table 3 illustrates the separation of -Fe2O3 from quartz in an ore with one pass through a matrix of 1/8-inch-diameter steel spheres using the alternating current circuit of figure 6.

Application of an intermittent field with a matrix of 75 percent 1/16-inch-diameter steel spheres and 25 percent 1/8-inch-diameter steel spheres is illustrated in table 4 in a one-pass separation of pyrrhotite from quartz using the circuit of figure 7. Unlike table 3, no attempt was made to obtain an intermediate fraction, which would have resulted in raising and lowering the iron compositions of the magnetic and nonmagnetic fractions, respectively, and provided a fraction for repass with increased recovery.

Table 5 gives the results of the application of a partially modulated field using the circuit of figure 8 and the grooved plate matrix of figure 3 in a one-pass separation of ilmenite from quartz. The advantage of the grooved plate over the spheres is that the particles pass through the matrix in a shorter time. The high flow rate obtained using the grooved plate could be increased further, particularly if water is used, by attaching suction chambers under the disk in a manner similar to applications with continuous vacuum filters. Although the grade and recovery of ilmenite are very high, this need not necessarily be attributed to the grooved-plate matrix since the ampere turns are higher than in any of the other tests. Increased ampere turns is a prerequisite for successful application of alternating current separators and intermittent current separators.

When a minus 325-mesh fraction is tested, a separation sometimes occurs, but in most cases the feed passes through without separation. Response at higher frequencies was investigated with a smaller -inch-cross section U-shaped magnet core 1 (fig. 10). Separation was performed with a nonmagnetic nonconducting plane surface 3 moved manually across the magnet pole as illustrated by the direction arrow 4. When separation occurred, the nonmagnetic mineral 5 would move with the plane, and the magnetic mineral would separate from the nonmagnetic mineral by remaining attached to the magnet pole. When no separation occurred, the entire mixture of magnetic and nonmagnetic minerals would either move with the plane or adhere to the magnet pole.

Four magnetising coils of 119 turns each of No. 14 AWG copper wire were used; three were connected in series with a capacitor as in figure 6, and one was connected to a variable-frequency power supply. The current in the resonant circuit is approximately 5 amperes. When the capacitor has a value of 49 microfarads, the resonant frequency is 130 hertz, and no separation occurs. With the capacitor reduced to 10 microfarads to provide a resonant frequency of 300 hertz, a separation occurs. In the case of a minus 325-mesh -Fe2O3-quartz mixture, most of the quartz moves with the plane, and the -Fe2O3 remains attached to the magnet pole. Similar results are obtained with pyrrhotite-quartz. Indications are that the separation may be improved with preliminary treatment of the feed by dry grinding aids.

frequencies, the time per cycle is too short to permit initial magnetization; at very low frequencies, the magnetization is in phase with the field. The frequencies reported here are between these two extremes and probably near, and just above, the low frequency limit. Experimental values on particles in the size range of minus 35 plus 65 mesh were previously published. These data indicate that 0.16 second, the time required to traverse a magnetizing field distance of 0.9 inch at 5.5 inches per second, is adequate time for the magnetization of minerals, but 0.02 second, the time required to traverse approximately 0.1 inch at the same rate, is too short. Time lag has been reported in the literature for magnetic alloys and has been classified, to the exclusion of the eddy current lag, into a lag that is dependent on impurities and a Jordan lag that is independent of temperature.

From evidence derived from the Barkhausen effect, the magnetization does not proceed uniformly and simultaneously throughout a specimen but is initiated in a limited region from which it spreads in a direction parallel to the field direction at a finite velocity. In a changing magnetic field, the number of initiating nuclei is proportional to the cross-sectional area perpendicular to the direction of the field. For a specimen in the form of a cube, the rate of energy W transferred to the cube would therefore be proportional to the aforementioned cross-sectional area so that for a cube of side s,

Application of intermittent current to the cross-belt separator arose from the need for the dry separation of an iron composition material from the copper in a product submitted by personnel of a Bureau of Mines chalcopyrite vacuum decomposition project. Although this product was of a relatively coarse size, the matted mass resulting from the needle shape or fiber form of the copper and the magnetic field coagulation effects of the magnetic particles prevented use of commercial dry separators such as the induced roll separator and constant-field cross-belt separator. The pulsating magnetic field had a separation effect similar to the pulsations in a hydraulic jig; the pulsating magnetic field permits the nonmagnetic fibers to sink back to the vibrating feeder and allows the magnetic particles to rise to the belt. Other applications would include fibrous minerals such as tremolite, actinolite, and chrysolite, and matted and fibrous secondary materials.

Application of alternating and intermittent current to magnetic separation at a relatively high number of ampere turns was made possible by special electronic circuits. Actual power losses are low and include the IR loss, which is the same that occurs in direct-current magnetic separation, and the core loss, which has a magnitude corresponding to the IR loss. Minerals may be dry-separated close to the minus 325-mesh size at 60-hertz frequency and possibly at smaller particle sizes at higher frequency. In the wet separation of minus 325-mesh feeds, intermittent current provides for complete release of the magnetic fraction during the discharge cycle. For matted fibrous and magnetically coagulating feeds, a cross-belt separator with an intermittent magnetizing current provides efficient separations.

magnetic drum separator (wet) | sepor, inc

magnetic drum separator (wet) | sepor, inc

Wet drum magnetic separators are used in magnetic particle recovery, removing the magnetic component from a slurry, and discharging the magnetic concentrate from one end and the non-magnetic content from the tailing discharge, typically located on one side of the separator.

Wet drum magnetic separators are more efficient that dry drums, because water makes a good medium for dispersing solids and this gives a much more consistent particle surface area to magnet surface area, thereby yielding higher recoveries of magnetic particles.

The most common type of wet drum separator is the low intensity wet drum separator, for recovering highly magnetic material. The drum has a magnetic field from 600 to 1,000 gauss, typically. Wet high intensity magnetic separators are also used for para-magnetic materials, with magnetic field intensity ranging from 7,000 gauss (Permanent Drum) to 20,000 gauss (Electro-magnetic drums).

Sepor, Inc. began business in 1953 with the introduction of the Sepor Microsplitter , a Jones-type Riffle splitter, developed by geologist Oreste Ernie Alessio for his own use in the lab. Sepor grew over the next several decades to offer a complete line of mineral analysis tools, as well as pilot plant equipment for scaled operations.

magnetic separation | multotec

magnetic separation | multotec

Multotec supplies a complete range of magnetic separation equipment for separating ferromagnetic and paramagnetic particles from dry solids or slurries, or for removing tramp metal. Multotec Dry and Wet Drum Separators, WHIMS, Demagnetising Coils and Overbelt Magnets are used in mineral processing plants across the world. We can engineer customised magnetic separation solutions for your process, helping you improve the efficiency of downstream processing and lower your overall costs of production.

Multotec provides a wide range of magnetic separators including: Permanent magnet Low Intensity Magnetic Separators (LIMS) or Medium Intensity Magnetic Separators (MIMS) and electromagnetic High Intensity Magnetic Separators (HIMS). Multotec provides unmatched global metallurgical expertise through a worldwide network of branches, which support your processing operation with turnkey magnetic separation solutions, from plant audits and field service to strategic spares for your magnetic separation equipment.

Whether you need to recover fast moving tramp metal, recover valuable metals in waste streams or enhance the beneficiation of ferrous metals, Multotec has the magnetic separator you require. Dry drum cobber magnetic separators provide an initial upgrade of feed material as well as a gangue material rejection stage. By improving the material fed to downstream plant processes, our magnetic separation solutions reduce the mechanical requirements of grinding, ultimately lowering overall costs. Our heavy media drum separators are ideally suited for dense media separation plants. Our ferromagnetic wet drum separators can be used in iron ore separation plants in both rougher or cleaner beneficiation applications. We also provide demagnetising solutions that reverse the residual effects that magnetic separation has on the magnetic viscosity of ferrous slurries, to return the mineral stream to an acceptable viscosity for downstream processing. These demagnetising coils generate a magnetic field that alters magnetic orientation at 200 Hz.

The trend towards larger and faster travelling conveyors in the African mining industry has highlighted the vital role of overbelt magnets. Solutions need to be optimised to such factors as belt speed and width, the belt troughing angle, the burden depth, the material density and bulk density, the expected tramp metal specifications, ambient operating temperatures and suspension height to provide maximum plant and cost efficiency. Multotec can supply complete overbelt magnet systems, from equipment supply to a turnkey service by means of its strategic partners, including even the gantry work.

shearline shearline trimmers

shearline shearline trimmers

We listened to your ideas, your problems and your needs. This has helped us design a compact, incredibly easy to maintain, integrated system that will give super clean cuts with no metal-to-metal contact. Precise suction control and feed rate saves precious trichomes you need to stay on your buds, not wind up in the trim bag.

Precision machining, extensive use of polished stainless steel, food grade electroless-nickel plated cutting reel and bed bar. Large high flow, low noise, HEPA filtered separator with fast change drum liner keeps you operating consistently all day and saves your valuable trim. Easy to adjust auto-feeder keeps trim quality consistent throughout the day without a person needing to hand feed.

Add to this Shearlines solid reputation for exceptional customer service and more importantly, education. When you buy a Shearline system you have an opportunity to speak with the inventor and designer who will be happy to guide you through the state-of-the-art drying methods needed to use this equipment to its full potential.

The best trimming solution regardless of your production. At 50 to 90 pounds per day of perfectly trimmed buds. Simply add more systems to your business as it is needed The best bang for the buck in the business.

The magnetic blade holding systemnot only allows us to use a much harder steel than the lawn mower blades our competitors use, but it also enables the operator to periodically remove and clean the underside of the blade in less than five minutes! This is especially critical to maintaining a clean cut throughout a days operation.

As a result of processing the buds, the machine builds up with resin (particularly under the blade), which heats up, hardens, and causes the cutting reel to force the blade up. Like a fine pair of scissors, if the gap between the blades is loosened even a small amount, the clean cutting action is turned to tearing and pulling of the leaf! Consequently, the finished product is rough and ugly when dried. Bothof Shearlines machines have been designed to eliminate this problem!

The drum style trimmers undoubtedly offer the gentlest, fastest, and tightest method of removing the excess leaf from high quality buds. However, the old style required two motors and a large number of parts to operate. The Shearline Original and Shearline 2.0 operate with our patented drive systemusingone motor, greatly reducing the parts required and the amount of things to break or wear out!

Finally, no matter how well parts are made, they must be inspected, and assembled in a precise, meticulous manner if they are to operate as designed and last for a lifetime. As a rule, we hold ourselves to the highest standards in this! Hence, should anything go wrong, rather our fault or the operators, we will do whatever is necessary to get you back and running as fast as possible! You can count on us!

Shearline trimmers have received patents from both the United States and Canada. If you are concerned you may be looking at a competitors product that would infringe on these, please review the PDF documents through the links provided below. Thank you for supporting our hard work and research by not purchasing knock-offs! This greatly helps us in developing new technology and equipment to help make your lives and work easier.

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