coal crushing: new-type toothed roll crusher vs traditional toothed roll crusher | hxjq

coal crushing: new-type toothed roll crusher vs traditional toothed roll crusher | hxjq

In the coal industry, the requirements for the particle size of the finished product are extremely strict. Generally, the particle sizes of the finished products are between 25 and 70 mm. If it is too large, the furnace will be blocked and further coal processing can't be performed.

Toothed roll crusher is the mature coal crushing equipment applied in the current coal industry, which satisfies all the demands of customers by its advantages of large capacity and low over-crushing rate.

Based on the original toothed roll crushers, HXJQ Mining Machinery has optimized the structure and materials of rollers according to the customers' requirements, so that to adapt the nature of hard gangue and special working conditions and ensure the normal production of coal enterprises.

Traditional toothed roll crusher is usually driven by double-motors. Two sets of motors, couplers and reducers are adopted to drive the independent rollers so that the rollers have the power to crush large coal materials.

The coupler is applied between reducer and rolls to transfer torque. And the toothed rollers and drive system are connected with the machine frame respectively to eliminate the vibrating of toothed roll crusher.

Traditional toothed roll crusher with ring structure has the advantages of stable and reliable performance, and the disadvantages of low wear resistance and hard to replace. Once the traditional toothed roll crusher is damaged, it must be returned to the factory for overhaul.

The traditional rollers are connected by the bolts and tooth-holders, which offers small bearing capacity. Therefore, the traditional toothed roll crushers are mainly applied in the clean-coal crushing process, because the raw coal will cause damage to roll crusher teeth.

In terms of tooth position, the roll crusher teeth are set in the peripheral direction, adopting the setting form of large tooth alternating with a small one. Under the premise of normal discharging size, the crushing force of roller can be improved efficiently, so that to increase the capacity, wear-resistance and service life.

As the picture shows, the new-type tooth-holder adopts the form of regular octagon. The toothed rollers and toothed holders are connected by the flat kay and socket head cap screws (the traditional ones are connected by bolts).

The contacted areas between tooth and toothed holders are processed and improved completely, and torque is transferred by flat key so that can prevent the socket head cap screws from the shearing force of coal materials. And the screws can be firmer and more reliable.

Meanwhile, the fastening bolt and the toothed roller holder are connected by the screw fastening blocks, which makes that the joint strength is ensured, and the interchangeability and the replaceability are also reliable.

The teeth are the main wearing parts of the toothed roll crusher, so it is very necessary to choose a suitable material. Therefore, it is required that the material should have enough hardness, toughness, impact resistance and wear resistance. Also, the following machinability and weldability should be considered.

When parts of high manganese steel are impacted repeatedly, the surface of parts gets changed, and the hardness increases rapidly, which can reach up to HRC54. It will improve the wear resistance significantly, but the inside of parts keeps flexibly. These are the main features of high manganese steel.

However, the toothed roll crushers crush coal materials by shearing and stretching, along with less impacting and squeezing, which makes high manganese steel can't play its advantages to enhance the hardness and strength. Therefore, high manganese steel is not suitable for making teeth.

To better improve the wear-resisting performance of teeth, traditional toothed roll crusher always adopts the low-alloy quenched and tempered steel as the material to make tooth of roll crushers. In general, 40 Cr is used to process the tooth. After processing, the compressive strength and the service life of tooth are improved.

However, since there are only a few millimeters thick wear-resisting layer in the surface of the tooth, it is required to be overlaid frequently in the process of use, which brings a large workload to workers.

The teeth of the new toothed roll crusher adopt the integral casting molding process, optimizes the proportion of the main elements such as C, Cr, Mn, Mo, Si, Ni. The medium carbon bainitic steel is selected finally to be the material of toothed roll.

The medium carbon bainitic steel has good hardenability. After quenching and tempering heat treatment, bainite with high hardness and wear resistance is processed. It has an excellent comprehensive performance of HRC50 hardness and compressive strength of 1500 MPa.

In addition, the material of the entire toothed roller structure, including the toothed roller, the toothed roller holder and the threaded fastening block, is reasonably matched, so that the strength and hardness of each component are more balanced and reasonable.

The raw coal is first crushed to below 300mm by the jaw crusher, and then crushed to below 70mm by a toothed roller crusher, and then transported to the coal storage bin by the belt conveyor. After screening, the final product of 25~70mm is sold to the chemical company.

The customer said it requires technical improvement urgently in their worksite urgently to reduce the operating cost of the enterprise and the labor intensity of the workers and to ensure the normal operation of the production system.

Since the new toothed roller crusher was put into use, the equipment has been running stably, the discharge size of the products is significantly improved, the over-crushing rate reduces, and the block-forming rate is highly increased (see the following table).

It can be seen from the above table that the difference between the qualified products before and after the replacement is 18.2%, which greatly improves the output of qualified products and creates great economic benefits for the enterprise.

In addition, the new toothed roller crusher has high wear resistance, and the fastening bolt is not easy to loosen, which reduces a large amount of maintenance time, the labor intensity of workers, and the maintenance cost of the coal crushing process.

With the transformation and upgrading of the coal industry, it is an inevitable trend to vigorously develop coal chemical industry. The coal chemical industry has strict requirements on the particle size of coal, which puts higher requirements on the crushing equipment.

The new toothed roller crusher can optimize the crushing operation of the raw coal by a series of optimizations on the structure and material of the toothed roller. It has a high block rate and a small maintenance amount. With the obvious technical advantages, the promotion prospects of new-type toothed roll crusher are broad.

mechanical sampling systems | agriculture and food | sgs

mechanical sampling systems | agriculture and food | sgs

SGS toothed roll crushers and screw feed hammer mill crushers are designed and manufactured with the precision engineering and reliability that has made SGS a world leader in mechanical sampling systems for over 35 years.

crushers | sgs

crushers | sgs

SGS toothed roll crushers and screw feed hammer mill crushers are designed and manufactured with the precision engineering and reliability that has made SGS a world leader in mechanical sampling systems for over 35 years.

double-toothed roller crushers for difficult materials

double-toothed roller crushers for difficult materials

In recent year, mainly as a result of environmental problems, the raw material crushing sector has often had to use quarries in which the materials are imperfect or mixed with soil. This has made work difficult to traditional crushers, such as impact or jaw crushers, because they are often required to process materials for which they have not been designed.

Bedeschi machines have been installed in difficult location worldwide. The company promotes the spread and development of double-toothed roller crushers, which are employed in many different fields: cement plants, mining firms, brick and tile factories and company specialized in waste processing scrap material. They are basically very simply machines; they consist of two toothed rollers turning in opposite directions and the material to be crushed is made pass between them. The material is not crushed through compression but through a combination of shear and tensile stresses.

The processing system of the double-toothed roller crusher makes it possible to crush any type of raw material from hard (limestone and rock) to soft (clay, soil and mud) or even elastic-like wood or rubber tyres. The rotation speed, especially if compared to traditional crushers, is very low; so low, in fact, that tip speed is under 3 m/s.

These crushers have turned out to be particularly effective in situations where other crushers experience problems. They are ideal for processing wet, sticky materials, and blocks of hard material mixed with soil, in addition to crushing ordinary hard materials. Under these conditions, traditional crushers clog. Double-toothed roller crushers are equipped with scrapers, which keep the grooves and the work surface perfectly clean.

These crushers are invaluable for crushing clay, soil and sticky materials containing up to 30 % moisture content or rocks covered with a layer of soil, a situation that, as mentioned earlier, is often encountered due to environmental restrictions imposed on quarries. The majority of cement plants set up in the 1990s in the Far East where, because of the frequent rain, raw materials are very moist, are equipped with clay crushing systems with double roller crushers; most of them supplied by Bedeschi. These machines allow a maximum reduction ratio of ten at each crushing stage.

They can act as primary or secondary crushers and can be installed to suit any required arrangement, even one on top of the other, with the primary crusher discharging directly onto the secondary crusher.

The gap is adjusted in the factory according to project requirements but can be easily changed after the machine has been put into service, to improve or change crushing parameters. The roller gap of Bedeschi crushers can easily be adjusted to individual preferences.

The study and dimensioning of teeth is particularly important. Bedeschi technical staff, thanks to their calculation models defined over many years of experience, establish the characteristics and shapes that most suit the material to be crushed and the customers outlet size requirements. The most important and qualifying tooth characteristics are:

These crushers, due to their special crushing method, are characterized by their relatively low power consumption compared to traditional crushers. Many applications and tests confirm an average power absorption of 0.3 to 0.4 kWh/t.

Their special design, featuring an external reduction unit, allows compact sized machines to be made, which can be installed where space is at a premium; installations in tunnels are a particularly significant example.

Alfa Laval, irontrybex - stock.adobe.com; Nitta Corporation of Holland; ANDRITZ AG; Picture: Bedeschi; Namur; Brkert Fluid Control Systems; Profibus Nutzerorganisation; Ecoclean; BASF ; MOL Group ; malp - stock.adobe.com; Sinopec ; IFG Asota; Feige Filling; Emerson; Goodvibes Photo - stock.adobe.com; Gea; Steriline; Ima; Achema Pulse; WMFTG; Thordon Bearings; Leybold ; Pixabay; Ldige; Solvay; Siemens; Siemens Energy; Siemens Energy

double toothed roll crusher from china manufacturer, manufactory, factory and supplier on ecvv.com

double toothed roll crusher from china manufacturer, manufactory, factory and supplier on ecvv.com

1.Brief Introduction: 2DSKP series grading crusher is our self-developed crushing Equipment that is widely used in the industry of coal, coke, metallurgy, Chemicals, building and other industries. 2.Techincal parameters: Coarse grading crusher Feed grain size of 300-1500mm, the material size of 150-500mm Large handling capacity, the maximum handling capacity of 10,000 T/h, high efficiency, reliable operation; Crushing teeth spiral arrangement, the block rate as high as 90% or more, over-crushing rate is low; Crushing teeth and diverse structure, there are live teeth, card Sets, tooth ring and the whole roll structure, tailored for the user, optimize The matching. Medium Grading Crusher Feed grain size of 150-500mm, the material particle size of 40-150mm, the maximum capacity of up to 3000t/h; Adjustable rigidness of feeding particle size, configuration with a variety of adjustment methods, with easy adjustment, reliable Positioning; Bullet-type crushing teeth and helical layout, with the best Bite material effect, super wear-resistant; Spindle special structure design, large transmission torque Moment, high stability. Fine Grading Crusher Feed grain size of 50-150mm, receiving material size of 13-30mm, the maximum handling capacity of 500t/h; Special tooth design, high rate of blockage, lower crushing Rate, suitable for coke crushing, the effect far better than the traditional Coke machine; Tooth height, width and thickness of the optimal design, biting Ability, long service life; Optional crushing roller cleaning device, wet material normally Crushing. 3.Performance features: with low speed, high torque, high stability and super crushing Force. with high strength, wear-resistant, minimum over crushing rate. Equipped with advanced overload protection and intelligent Control system that is easy to operate, safe and reliable. Feeding capacity is up to 1500mm and the processing capacity is up to 10000t / h.

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roller crusher - all industrial manufacturers - videos

roller crusher - all industrial manufacturers - videos

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Sandvik CR420 crushing rolls have been developed to get a desired final product grain size and to ensure reduced production of fines content. They provide hydraulic adjustment with built-in automatic horizontal overload protection. Two ...

The Sanvik CR450 is a smooth crush roller that is fully capable of providing a crush angle in the feed opening. The machine functions through the operation of both the smooth surfaced rolls and the impact of its speed ...

Sandvik's CR610 is a center sizer that is made with a huge space between the crushing teeth which can be adjusted to fine tune the size of the product and to atone any wear. This sizer is possible to be consisted of a breaker bar. Meanwhile, ...

GE Series Economy Crusher This series can provide different rotor designs. The rotor width covers 500mm to 1400mm. The rotor adopts high-efficiency double-scissor cutting technology. The welded cavity of the entire steel ...

GP600/500 Functional Small Recycling Hard Plastic Grinder Crusher Machine Product Description GP crushers are designed for grinding long plastic pipes and profiles. Overall heavy-duty steel welded cavity ...

Application: It can be used in ores, iron, limestone, coke industries, and it can crush coal in thermoelectric industry, raw coal in mine, petroleum coke in chemistry, silica in electronics, carbon lump in carbon industry, waste glass ...

... convenient and easy , meanwhile protects the stablity. 2. Roller surface is equipped with carbide column nails, which greatly extend the life of the device up to 20,000 hours. 3.Manganese steel roller ...

... automaticlly, ensuring to get chips in uniform size. 2.Feeding roller adopts UCK bearings and spring clamping mechanism, applicatable to different thickness wood boards, feeding roller and crushing ...

Building Template Crusher DESCRIPTION Template crusher equipment is widely used in construction template crushing plants, power plants, wood plate crushing plants, plywood and other waste wood and ...

High-quality standards Capable of handling capacities in excess of 12,000 tph Insensitive to clay and other sticky materials Low headroom requirements Simple infrastructure requirements ABON Low Speed Sizer ...

A dependable and sturdy mid-range secondary crusher designed for rapid, controlled size reduction of various sample types. The RC3000 is the larger of the two Essa model rolls crushers and can be configured ...

... wood logs crusher can crush raw big diameter wood logs into small than 10cm small pieces directly, besides, such as long or big straw bale, cotton stalk bale, wood trunk, and wood stump into smaller than 5cm pieces. 1.Large ...

... underground and mobile applications as well as for the implementation into existing crushing plants, e.g. in material transfer areas. For primary crushing, CenterSizers are used, in which the comminution takes place ...

... higher content of fines (0-10 mm) would have an unfavourable effect on sorting performance. In the form of the double roll crusher, Binder+Co has created the ideal prerequisite for the subsequent sorting of waste glass.

General Machinery Manufactures Mobile Roll Crushers also do. It is used to obtain the substance sand from corrosive or abrasive materials. Crushing rolls and primers manganese alloy is made of wear-resistant ...

The roll crusher is designed to process brittle material (glass, ceramics etc.). A rigid frame made of steel profiles is the main element of the crusher. One of the two crushing rolls that are mounted ...

The EDGE RS1500 roll sizer has been designed for the secondary and tertiary crushing of medium-hard, sticky and soft materials such as coal, lignite, clay, limestone and other bituminous and sub-bituminous materials. Boasting an impressive ...

Double shaft crusher with special, high resistance steel blades, for crushing all types of building material including slabs of asphalt, very hard rock, concrete blocks including reinforced, granite rocks, obtaining material ...

The Delumper L Series Crushers reduce product to a desired output size with a positive, once through, chopping action. Cutting teeth mounted to a smooth drum rotate through sizing combs to process agglomerates and chunks ...

5E-DCA250150 Double Roller Crusher is used to crush medium hard material, which is widely used for the sample preparation in coal mines, power plants, metallurgy, geology, chemical industry and scientific ...

... swinging infeed roller with integrated toothed segments Robust welded casing with heavy-duty spherical roller bearings Wear-resistant turnable crushing tools are screwed on the rotor cams for easy exchange Toothed ...

... Operation The SFH crushers are equipped of removable hardened teeth and knifes arranged on one or double-shaft. The assembly is drive by an angular and double global motor reducer for decrease the speed and increase ...

toothed double roll crusher at best price in mumbai maharashtra from anron chemicals co. | id:3471843

toothed double roll crusher at best price in mumbai maharashtra from anron chemicals co. | id:3471843

Bevcon toothed double roll crushers are equipped with two identical crushing rolls rotates towards each other. These crushers are ideal at different stages of crushing primarily envisaged to generate very less fines. Hence the crushing ratios are limited to 4 :1. Since both rolls rotate in same speed, there is no relative motion between roll surfaces. Material entered in crushing chamber is crushed between two crushing rolls. Crushing is accomplished purely by compressive action. In both the rolls one will be stationary and one is self adjustable.

roll crusher - laboratory roll crusher latest price, manufacturers & suppliers

roll crusher - laboratory roll crusher latest price, manufacturers & suppliers

GIDC Vatwa, Ahmedabad Plot No. 291/2, Pancharatna Estate, Opposite Shayona Industrial Estate, Near Ramol Cross Road Near Ramol Over Bridge, Phase 4, G. I. D. C., Vatva, GIDC Vatwa, Ahmedabad - 382445, Dist. Ahmedabad, Gujarat

wholesale roller crusher tool manufacturers and factory - suppliers direct price | jinte

wholesale roller crusher tool manufacturers and factory - suppliers direct price | jinte

We take "customer-friendly, quality-oriented, integrative, innovative" as objectives. "Truth and honesty" is our administration ideal for roller crusher tool, Rotary Tromme Filter , Reversible Belt Conveyor , 50hz Vibration Motor ,Circular Vibrating Screener . Our aim is to help customers realize their goals. We are making great efforts to achieve this win-win situation and sincerely welcome you to join us. The product will supply to all over the world, such as Europe, America, Australia,Algeria , Jeddah ,Armenia , Moldova .With the aim of "compete with good quality and develop with creativity" and the service principle of "take customers' demand as orientation", we will earnestly provide qualified products and good service for domestic and international customers.

toothed roller crusher used for bauxite mine line - mining & construction solutions from henan dewo machinery

toothed roller crusher used for bauxite mine line - mining & construction solutions from henan dewo machinery

Dewo machinery can provides complete set of crushing and screening line, including Hydraulic Cone Crusher, Jaw Crusher, Impact Crusher, Vertical Shaft Impact Crusher (Sand Making Machine), fixed and movable rock crushing line, but also provides turnkey project for cement production line, ore beneficiation production line and drying production line. Dewo Machinery can provide high quality products, as well as customized optimized technical proposal and one station after- sales service.

Jan 20, 2021 Double Tooth Roller Eliminator Crushers Dewo machinery can provides complete set of crushing and screening line, including Hydraulic Cone Crusher, Jaw Crusher, Impact Crusher, Vertical Shaft Impact Crusher (Sand Making Machine), fixed and movable rock crushing line, but also provides turnkey project for cement production line, ore beneficiation ...

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Working in the crusher feeder-Henan Mining Machinery Wobbler Feeders McLanahan. Bars on the Mclanahan Wobbler Feeder are manufactured from cast wear metal providing a much longer service life than plate style bars How Wobbler Feeders Work The Wobbler Feeder consists of a frame elliptical bars and a chain drive system used to rotate the bars The bars are elliptical in shape and are timed at ...

Sman Double Toothed Roll Crushers Download Latest. 2020-8-11 ensp 0183 ensp Toothed Roller Crusher Video Game For Pc Roll crusher above 20 0 hp images with price made in india roll crusher t h pgc x roll crusher 60t h 2pgc600x750 Grinding roll crusher 60t h 2pgc600x750 roll crusherroller crusherdouble th The roller type of roller crusherroller and teeth types of stone crusher machinethe

vertical shaft impact crusher VSI crushers use a different approach involving a high speed rotor with wear resistant tips and a crushing chamber designed to 'throw' the rock against. More information

Board Image Crusher Tooth Roller . Buy Double toothed roll crusher with high quality Price 4 in the tooth roller crusher work for a long time the roller surface wear and tear which will cause the material size is too small so pay attention to adjust the discharge port or equipment maintenance 5 to fully after the work of the tooth roller crusher to check to strengthen the lubrication of parts ...

Dewo machinery can provides complete set of crushing and screening line, including Hydraulic Cone Crusher, Jaw Crusher, Impact Crusher, Vertical Shaft Impact Crusher (Sand Making Machine), fixed and movable rock crushing line, but also provides turnkey project for cement production line, ore beneficiation production line and drying production line.

k-400 drum machine | ridgid tools

k-400 drum machine | ridgid tools

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The Model K-400 offers reliable power that cleans tough everyday drain line blockages in tubs, showers and sinks. A sleek profile and user-friendly design get you up and running easily -- and on to the next job quickly. Ideal for drain cleaners, service plumbers, facility and institutional maintenance departments and property management companies. Not designed to remove root blockages.

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