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我国不少地区储有大量的贫锰矿,其含锰量为30%以上。这部分贫锰矿,经过选矿固然可以提高品位,但成本过高。同时还有一些地区,高炉铁水,含锰量为1%左右。因此,其中的锰如能在炼钢中加以利用,这对解决当前国内锰铁合金紧缺情况,具有重大经济意义。实验前,制订了详细的实验方案,在100kg氧气顶吹感应炉上先后进行了21炉冶
In many parts of our country, a large amount of poor manganese ore is stored, with a manganese content of over 30%. This part of the poor manganese ore, after dressing can improve the grade, but the cost is too high. At the same time there are some areas, blast furnace hot metal, manganese content of about 1%. Therefore, if the manganese can be used in the steelmaking, it is of great economic significance to solve the current shortage of ferromanganese in China. Before the experiment, developed a detailed experimental program, in the 100kg oxygen top induction furnace has carried out a 21 furnace