Blast furnace method of high carbon ferromanganese
High-carbon ferromanganese was first produced in a blast furnace with high output and low cost. It is still widely used at home and abroad. my country's Shanxi Dongfang Resources Development Co., Ltd. is a designated manufacturer for the production of high-carbon ferromanganese in blast furnaces.
The blast furnace method is to add manganese ore, coke, lime and other materials into the blast furnace for smelting to obtain blast furnace ferromanganese containing 52%~76% manganese/0.4%~0.6 phosphorus. Since the only difference between the blast furnace and the electric furnace for smelting high-carbon ferromanganese is the different heat sources, the furnace structure, geometry and operation methods of the two furnaces are different, but the principles of smelting high-carbon ferromanganese in the two furnaces are the same.
However, the two furnaces use the same manganese ore for smelting, so the phosphorus content of the products obtained is different. The blast furnace product is 0.07%~0.11% higher than the electric furnace product. This is because the amount of coke in the charge composition of blast furnace smelting is 5 to 6 times that of electric furnace smelting, so more phosphorus in the coke is transferred into the alloy, and the furnace temperature during blast furnace smelting is lower, so during the smelting process The volatilization of phosphorus is about 10% lower than that of electric furnaces.
