Silicon Metal Manufacturer

First, prepare raw materials
Silicon metal manufacturers first need to prepare suitable raw materials. The main raw materials for the production of silicon metal are quartz sand and coke, in which quartz sand contains a large amount of silica and coke is used as a reducing agent. The process of raw material preparation needs to strictly control the content of impurity elements to ensure the purity of the final product.

Second, electric arc furnace melting
Electric arc furnace melting is a key step in the manufacture of silicon metal. The prepared raw materials are added into the electric arc furnace, and the raw materials are melted by the high temperature generated by the electric arc. In this process, the carbon in the coke and the silica in the quartz sand undergo a reduction reaction to produce silicon metal and carbon monoxide. The melting process needs to maintain the appropriate temperature and furnace atmosphere to ensure the smooth progress of the reaction.

Third, refining and purification
Arc furnace melting of silicon metal also contains certain impurity elements, so it needs to be refined and purified. Refining process, by adding specific additives, so that the impurity elements and additives have a chemical reaction, resulting in easy to separate compounds. Then through certain physical operations, such as filtration, distillation, etc., the impurity elements from the silicon metal separated from the silicon metal to obtain high-purity silicon metal.

Fourth, fine processing
After refining and purifying, silicon metal still needs to undergo subsequent processing, such as cooling, crushing, screening and so on, in order to meet different needs of use. According to the requirements of different customers, to provide qualified products. At the same time, it is also necessary to carry out strict quality control of the production process to ensure the quality and stability of the product.