论文部分内容阅读
龙井县八道金矿是采金历史很长的乡办企业。长期以来使用捣矿加混汞的选矿方法选金。这一选矿方法简单,投资少,见效快,但处理量小,粒度粗,对原矿品位要求高,回收率低。针对上述问题,1987年底,延边黄金公司和八道金矿联合进行技术改造,将原工艺改造为汞板—浮选工艺,得到较好的结果。(一)矿石性质该矿矿石属含少量硫化物的石英脉含金矿石。主要金属矿物有黄铁矿、辉铜矿、银金矿、闪锌矿、黄铜矿、磁铁矿和褐铁矿等。黄铁矿粒度0.01—1.20毫米;黄铜矿含量不多,粒度很小,与银金矿紧密共生;辉铜矿粒度0.01—0.06
Baling gold mine Longjing is a long history of gold mining enterprises. For a long time the use of pounding plus amalgam beneficiation method selected gold. This dressing method is simple, less investment, quick, but the handling capacity is small, coarse grain size, high requirements on ore grade, low recovery rate. In response to the above problems, the end of 1987, Yanbian Gold Company and the Bauxite joint technical transformation, the transformation of the original process for the mercury plate - flotation process, get better results. (A) the nature of the ore The ore is a small amount of sulfide-bearing quartz vein gold ore. The main metal minerals are pyrite, chalcocite, silver gold, sphalerite, chalcopyrite, magnetite and limonite. Pyrite size of 0.01-1.20 mm; chalcopyrite content is small, small size, and silver gold closely coexistence; chalcopyrite particle size 0.01-0.06