Tip 1: Sulfur content in metal silicon powder: Sulfur is one of the harmful impurities in pig iron smelting, which reduces the quality of pig iron. Steelmaking pig iron with a sulfur content exceeding 0.07% is a waste product. The sulfur brought into the furnace by blast furnace materials is 11% from ore, 3.5% from limestone, and 82.5% from metallic silicon. Therefore, metallic silicon is the main source of sulfur in the furnace. The level of metal silicon and sulfur content directly affects the production of blast furnace iron. When the metallic sulfur content exceeds 1.6%, for every 0.1% increase in sulfur content, the amount of metallic silicon used increases by 1.8%, the amount of limestone added increases by 3.7%, and the amount of ore added increases by 0.3%. , the sulfur content of the blast furnace output exceeds 1.6 percent and the sulfur content is 2 percent.
silicon metal powder 200mesh
Tip 2: Phosphorus content in metallic silicon powder: The phosphorus content of metallurgical coke used for ironmaking should be below 0.02-0.03%.
Tip 3: Ash content in metallic silicon powder: The ash content in metallic silicon powder has a very significant impact on blast furnace smelting. The ash content of metallic silicon increases by 1%, and the usage of metallic silicon increases by 2-2.5%, so it is necessary to reduce the ash content of metallic silicon.
Tip 4: Volatile components in metallic silicon powder: According to the volatile component of metallic silicon, the maturity of metallic silicon can be judged. When the volatile matter is greater than 1.5%, it means that the volatile matter of the coke is less than 0.5-0.7%, which means it is overcooked. Generally, the volatile matter of mature metallurgical coke is about 1%.
silicon metal powder 600mesh
Tip 5: Moisture in metallic silicon powder: The moisture fluctuation is incorrect, and the measurement of metallic silicon will cause fluctuations in the furnace. In addition, the moisture in Silicon M40 will cause low and poor slip.
