How does silicon slag know whether it is good or bad? Let's take a look:
(1) Judging the quality of silicon slag from raw materials: manufacturers familiar with silicon slag know that the main raw material of silicon slag is ferrosilicon slag, which is ground into powder and made into silicon slag. The main smelting materials of ferrosilicon slag are silica and coke. Among them, silica is very important and an important factor determining the quality of silicon slag. Therefore, the application of good silica is an important link in smelting silicon slag.
(2) Coke, the second raw material affecting the quality of silicon slag: coke, as the combustion supporting agent and heating material for smelting silicon slag, is also an important factor affecting the quality of silicon slag. The control of coke should be black cloth, with low ash content and less water content. Why should it be controlled in this way? That is because if the ash content is too high, it will affect the air permeability of ferrosilicon. If the water content is too high, it will affect the stability of temperature in the furnace, thus affecting the quality of silicon slag.