Process Of Metal Silicon 98
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Process of Metal Silicon 98
The process of Metal Silicon 98 includes charge preparation, electric furnace smelting, silicon refining and casting, and crushing to remove slag inclusions. Before charging, all raw materials must be processed as necessary. Use a jaw crusher to crush silicon dioxide until the block size reaches less than 100mm, screen out fragments less than 5mm, and wash with water. This is because the fragments in the furnace melt in the upper part of the furnace, which reduces the permeability of the charge and makes the production process difficult. Petroleum coke has high conductivity, and the block size should be crushed to less than 10mm to control the amount of petroleum coke powder. Due to direct combustion at the furnace mouth, the reducing agent is insufficient.
During this period, the direct supply price of high-grade solar-grade silicon materials increased by 2-5 times, and the market purchase price increased by about 8-10 times. Due to the large investment and long construction period of the silicon raw material industry, the currently planned production capacity will take a considerable time to achieve. Therefore, the current shortage of raw materials for Metal Silicon 98 will continue for several years.
The above is an introduction to the production process of smelting metal silicon 98. If you need to know more, please feel free to contact us!
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