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1、含磷高、中、低以锰矿石的用途来区分,划分界限为:I-Mn<0.003者谓之低磷,可采用冶炼电炉或高炉锰质合金; p/Mn 0.003—0.006者谓之中磷,可用来冶炼高炉锰铁或配矿使用冶炼锰质合金;P/Mn>0.006者谓之高磷(必须通过选矿除去),不能直接用于冶炼锰铁合金。 2、高铁:Mn/Fe《3谓之“高铁”,可以搭配冶炼锰质合金或冶炼镜铁(但必须低磷)。
1, high phosphorus, medium and low manganese ore use to distinguish between the division of the boundaries: I-Mn <0.003 who said that the low-phosphorus, smelting furnace or blast furnace manganese alloy; p / Mn 0.003-0.006 who said Among them, phosphorus can be used to smelt blast furnace ferromanganese or match with smelting manganese alloy; P / Mn> 0.006 means high phosphorus (must be removed by beneficiation) and can not be directly used for smelting ferromanganese. 2, high-speed rail: Mn / Fe “3 that the” high-speed rail ", with smelting manganese alloy or smelting mirror iron (but must be low-phosphorus).