stone crushing machine sourcing, purchasing, procurement agent & service from china stone crushing machine manufacutuers / suppliers

stone crushing machine sourcing, purchasing, procurement agent & service from china stone crushing machine manufacutuers / suppliers

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where to buy stone dust - and what it is, how to use it

where to buy stone dust - and what it is, how to use it

After reading up on DIY hardscape projects, beginners often hit a roadblock when assembling supplies because they do not know where to buy "stone dust." There is much confusion over just what exactly this material is. At first glance,itprobably will not remind you of stone, nor are you likely to associate it with dust.

In fact, said confusion is partly responsible for the difficulty you may have in purchasing it. Establishments in your area that sell stone, landscape supplies, etc. may not sell a product that goes specifically by the name of "stone dust" but may carry a suitable product that is similar but that goes by a different name.

When stones are run through a crushing machine to make crushed stone, stone dust also forms. Its exact composition will depend on what kind of stone was run through the machine. For instance, sometimes granite is run through such a machine; in other cases, it could be limestone, for example. The machine has a screen that traps the larger material (that is, the crushed stone). The smaller material or "screenings" falls through the screen. Depending on the size of the holes in the screen used, it can be so fine in texture that it is basically a powder.This is what you are buying as "stone dust." But it may go by other names, such as:

Decomposed granite is one of the more recognizable names in this group. Technically, though, it is a different material, occurring naturally. Note that you will also find the terminology "stabilized decomposed granite." This just means that a stabilizer has been added to the product to make it less susceptible to erosion.

Another material name that you are bound to encounter when doing research for building patios, etc. is polymeric sand. This building material contains additives that give it the ability to function as a binding agent. For example, you could use polymeric sandto fill in the cracks between stones when building a flagstone patio. In such cases, you would apply water to this filler afterward to moisten said additives, thereby activating their binding properties.

Stone dust is widely used as asetting bed for any of the various types ofstone pavers(flagstone pavers such as bluestone being an example) used by homeowners in small projects. It can be smoothed to create a very flat surface and it is strong enough to support the weight of stone pavers, which can be quite significant.

Do note, however, that not everybody in the building trade would necessarily recommend stone dust as the first choice for such projects. Some observe, for example, that stone dust does not offer the best in the way of drainage qualities. Such objectors may prefer to use sand as a setting bed.

You can buy stone dust at most stone yards and quarries. Some excavation companies also sell it, along with the crushed stone, sand, gravel, bricks, flagstones, etc. that you might need for other projects. For a fee, most of these places will deliver the product to your property.

how to make charcoal briquettescomponents and process | fote machinery

how to make charcoal briquettescomponents and process | fote machinery

Charcoal briquette is a kind of fuel made by charcoal powder. Compared with traditional fuels, charcoal briquettes can not only generate heat continuously but also produce no smoke and odor during combustion.

Therefore, it has been widely used in domestic and industrial applications in recent years and has become the most popular fuel in many countries such as Kenya, the Middle East, Uganda, India, etc.

With the increase of its economic benefits, the charcoal briquettes process has become one of the hottest processing industries. So, what are the ingredients of charcoal briquettes and how to make charcoal briquettes?

The charcoal briquette is mainly composed of two parts, the charcoal which is used to provide heat and the minor ingredients. Charcoal is the product of incomplete combustion of wood or wood raw materials or pyrolysis under the condition of air isolation.

Charcoal accounts for more than 70% of the entire charcoal briquettes. As the combustion material providing heat, the raw materials for charcoal can be various woods, such as beech, birch, hard maple, pecan and oak.

The charcoal is mainly processed by the kiln. In general, the charcoal produced and extinguished in the kiln is called black wood charcoal. It has the advantage of being easy to ignite, but it is easy to explode during burning with a short burning time and much smoke.

While the white wood charcoal can be oxidized and generate white ash after being carbonized, removed from the kiln and quenched with wet sand. Compared with black wood charcoal, it has a harder texture.

The charcoal briquette cannot fully contact with oxygen during the combustion process, so the accelerator is needed to accelerate the combustion. The most suitable accelerator is the nitrate, which can not only provide oxygen to accelerate combustion but also heat during combustion.

By observing the degree of turning white, we can judge the burning degree of the charcoal briquette. In addition, because the white ash is not combustible, it can effectively extend the burning time.

Numerous facts show that starch has the best performance as a binding material. After it's gelatinized, a thick paste can be formed so that the charcoal powder is stuck together to facilitate the later briquette.

After the end of combustion, close the air inlet, and after one to two hours of exhaust, close the exhaust hole. After a two-week cooling period, empty the kiln and crush the carbonized wood (charcoal).

Use a hammer crusher or roller crusher to crush the carbonized wood. Although different types of wood such as bark, dry wood chips, wet wood and so on should be crushed to different sizes, generally they can be crushed into pieces of charcoal to 5mm below to make high-quality charcoal briquettes.

Then a drying process is needed. If the water content exceeds the empirical upper limit, the temperature will rise and the volume will expand suddenly, which is easy to cause an explosion. If the moisture content is too low, it will be difficult to mold. Use a dryer to reduce its moisture content to the level required for briquettes formation by about half (to about 15%).

Briquetting is a key step in charcoal molding. After the raw materials enter the ball press, they will be subjected to three kinds of forces, namely the main driving force of the briquette machine, the friction force and the centripetal force of the wall.

Due to moisture, adhesives, temperature (about 105 F or 40 C) and pressure of the rollers of the briquetting machine, the charcoal briquettes can maintain their shape when they fall from the bottom of the machine.

After production, bag the charcoal briquettes immediately or stored them in silos. Following the above steps, charcoal briquettes will be produced at a production rate of 2200-20,000 pounds (1-9 metric tons) per hour.

According to the content above, it is not so difficult to process charcoal briquettes. But we need to pay attention to many details, such as component ratio, moisture, all of which will directly affect the final quality.

Therefore, the author recommends that the users need to understand and confirm every step and its details of the charcoal briquettes processing ahead. And then choose the reliable supplier for the purchase of the equipment needed in the processing, such as crusher, dryer, briquette machine, etc.

As a leading mining machinery manufacturer and exporter in China, we are always here to provide you with high quality products and better services. Welcome to contact us through one of the following ways or visit our company and factories.

Based on the high quality and complete after-sales service, our products have been exported to more than 120 countries and regions. Fote Machinery has been the choice of more than 200,000 customers.

mobile crushers, mobile crusher plant & price, - liming mining and rock technology

mobile crushers, mobile crusher plant & price, - liming mining and rock technology

Liming Heavy Industry is a high-tech company integrating R&D, production and distribution, and provides crusher, sand making, grinding equipment, mobile crushing station, etc. mature products and solutions used in aggregate, mining and waste recycling. At present, we have established cooperative relations with customers in more than 170 countries, and helped them plan reasonable programme and realize scientific process.

LIMING has got ISO9001:2008 international quality system certification, European Union CE certification and Russian CU-TR certification. The mining machinery is listed as recommended product of China Aggregates Association.

The mobile jaw crusher is equipped with main machine with large crushing ratio, which can be used for primary crushing of mineral materials. Of course, it is also a good helper in waste recycling, so that waste mortar, bricks and stones can be reprocessed to make recycled aggregates for new building materials.

According to projects requirement, there is HST cone crusher or HPT cone crusher can be main machine of mobile cone crusher, so the flexibility and controllability is good. The product can play its performance very well and optimize stone shape in fine crushing. It is a wisdom choice of stone processing in mining industry.

Mobile impact crusher can produce high-quality materials and excellent shape for secondary and tertiary crushing, which is quite competitive in the market. In addition, it takes advantages of large capacity, wide range of granularity and adjustable function. Dozens of models can crush almost any application.

Mobile sand making machine can be used in combination with mobile jaw crusher, mobile cone crusher and mobile impact crusher. It usually shapes or crushes the materials after coarse crushing or medium crushing in order to make the fineness smaller and more accurate. It can quickly start to work and run stably.

Shanghai Joyal Machinery Co., Ltd.devoted herself into manufacturing of industrial stone crushing & screening equipment, grinding mills and mining equipment. Our company has already formed a full set of modern production line, the main products are Jaw Crushers, Cone Crushers, Impact Crushers, VSI Sand Crushers,Sand Washers, Ultra fine Roller Mills etc., We assure you of our continuous atention and unfailling commitment to customer service at all times.

Joyal Machinery, with strength advantages of qualified quality &competitive price, we are strong enough to satisfy the production demand for various aggregate of all global customers. Quality assurance & satisfactory after-sale service are always Joyal peoples belief!

used construction equipment auctions | parts - tools

used construction equipment auctions | parts - tools

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