clamp dog pyrolusite can be used to smelt alloy directly, to wash blast furnace directly and to substitute part of silicon manganese alloy as slagging agent and refrigerant in steel-making;

• 软锰矿制块可以直接冶炼合金，可以直接作为高炉的洗炉物料，可以直接作为炼钢的造渣剂和冷却剂，替代部分硅锰合金；