藏东某低品位铜钼矿石选矿试验

发布时间：2018-04-22 05:29

本文选题：低品位铜钼矿石 + 铜钼混合浮选　；参考：《金属矿山》2017年11期

【摘要】：藏东某低品位斑岩型铜钼矿石铜、钼品位分别为0.62%和0.028%,矿石中的主要金属矿物有黄铜矿、蓝辉铜矿、铜蓝、黝铜矿、孔雀石、黄铁矿等,辉钼矿等微量,主要脉石矿物为石英等。矿石中铜钼矿物嵌布粒度微细,共生关系密切、复杂,铜钼分选回收难度大。为确定该矿石的高效开发利用工艺,进行了选矿试验研究。结果表明,矿石在磨矿细度为-0.074 mm占65%的情况下进行1粗3精2扫铜钼混浮、铜钼混合精矿再磨至-0.045 mm占85%的情况下进行1粗4精2扫铜钼分离浮选,可获得铜品位为26.70%、铜回收率为87.23%的铜精矿和钼品位为47.59%、钼回收率为84.18%的钼精矿,高效地实现了矿石中铜、钼的回收与分离。
[Abstract]:A low grade porphyry type copper molybdenum ore in eastern Tibet has a copper grade of 0.62% and a molybdenum grade of 0.028%. The main metallic minerals in the ore are chalcopyrite, blue chalcopyrite, copper blue, tetrahedrite, malachite, pyrite, etc., molybdenum ore, etc. The main gangue minerals are quartz and so on. The copper molybdenum ore in ore has fine grain size, close symbiosis and complex relationship, so it is difficult to separate and recover copper and molybdenum. In order to determine the high-efficiency exploitation and utilization process of the ore, the ore dressing test was carried out. The results show that when the grinding fineness is -0.074 mm or 65%, the flotation of copper and molybdenum is carried out in the case of 1 coarse 3 fine 2 sweep copper and molybdenum, and the copper molybdenum mixed concentrate is reground to -0 045 mm (85%) for separation floatation of 1 coarse 4 fine 2 sweep copper and molybdenum. Copper grade is 26.70%, copper recovery is 87.23%, molybdenum grade is 47.59 and molybdenum concentrate is 84.18%. The recovery and separation of copper and molybdenum in ore are realized efficiently.
【作者单位】：四川省安全科学技术研究院;西藏玉龙铜业股份有限公司;
【分类号】：TD923;TD95

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