青海快3

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混合铁矿联合跳汰预选抛废选矿试验

责任编辑:金工机械 发表时间:2016-06-19 08:35

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  2005年以后大冶铁矿各采区主要供矿指标,围岩混入率平均为22.07%。根据入选原矿的矿石性质,对主要含磁铁矿的矿石采用磁滑轮预选方法。对主要含赤铁矿、菱铁矿等弱磁性铁矿石,根据矿石与脉石间的密度差,采用跳汰选矿法处理。试验得出,赤铁矿密度为4.28g/cm³,菱铁矿密度为3.60g/cm³,废石密度为2.6g/cm³左右。按照重选矿石的可选性准则判断,属易选矿石。