silica sand makes up approximately 60-70 percent of the glass batch and therefore has a significant affect on the glass quality.
Silica Processing Machinery
Silica processing machinery is very important in the silica processing plant. Silica powder is a very smooth, silky, translucent fine white powder used in cosmetics. Silica is the major raw material used in all types of glass, and has numerous ceramic, foundry, filtration and refractory applications. For industrial use, deposits of silica capable of yielding products of at least 97% SiO2 are required .C&M Mining Machinery is a silica sand crusher and grinding machine company, in silica sand processing unit we provide jaw crusher for silica raw materials crushing, ball mill or raymond mill for silica grinding plant, silica sand washing machines is the final equipment in silica processing plant. It is widely used in glass making industry. So silica processing machinery supplier in the market japan,India, Nigeria, Australia , Saudi Arabia (uae), Indonesia, Pakistan , Peru , Mexico, Colombia , South Africa, Kenya, Algeria , Egypt is becoming more and more.
Silica Sand Processing
Silica Sand Crushing Machine
Silica minerals make up approximately 12 percent of the Earth’s crust and are second only to the feldspars in mineral abundance. Free silica occurs in many crystalline forms with a composition very close to that of silicon dioxide. The natural silica have many big blocks, so we must crush it into small one.Jaw crusher is used as primary crushing machine, the sand making machine is secondary crushing machine. You can choose PCL sand making machine, Silica less than 50mm enters sand making machine though conveyor belt.
Silica is crushed by hitting other Silica. Material falls down to impellor cavity. Under great centrifugal force, it hits material that coming downwards. After hitting each other, they force a vortex between impellor and shell, and hit each other several times, finally smaller stone comes out, and goes to vibrating screen. Commonly, through twice crush you can get the silica sand.
Silica Sand Washing Machine
Silica Sand Washing Machine is the simplest and lowest cost method of cleaning silica sand. In some of the very pure deposits that are void of heavy minerals, high amounts of clay and silt, and no surface staining, washing is sufficient to produce acceptable grade product.In the process, water is added to the sand and is generally pumped to a cyclone for desliming. The movement of the slurry passing through the pump and pipeline is sufficient to loosen the small amount of fines or clay that are in the ore body. Once the minor amounts of fines or clay have been released from the silica sand they can be removed via a variety of methods.
Silica Sand Grinding Mill
Grinding mill is widely used in the silica industry to produce ground silica for the textile fiberglass industry. For the textile fiberglass industry, consistency of chemical components along with size distribution is as important as with other glass products.For the size distribution, it is important that the ground silica is void of any oversize grains and that the extreme fines be as low as possible. Typically, the textile fiberglass industry uses a product that is either 95 percent passing –75 micron or 95 percent passing 45 micron. For these sizes, the oversize is defined as grains coarser than 250 microns and extreme fines a less than 5 microns. Both of these can cause unmelted silica stones and result in breakages of the fiber during the drawing process. Although it is obvious why the over size grains are difficult to melt, the possibility of the fines not melting does not seem to be valid. In this case, when there are excess amounts of fines, the fines tend to agglomerate and not mix with the fluxing agents. Therefore, the agglomerates do not melt. To maintain a consistent particle size distribution, void of oversize grains and low percentages of extreme fines, the grinding mills are used with high efficiency air classifiers such as the one produced by Progressive Industries Inc. The unique patented seal prevents oversize from entering the product and the highspeed rotor, combined with the secondary air washing, prevents product size particles from returning to the mill for more grinding and production of the extreme fines.
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