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赣南小有色公司炼锡厂选矿车间所产铁杂砂由于管理上不严,使分级好的粗细粒度铁砂又掺混。铁杂砂含WO_337.77％、锡2.32％、铜4.1％、硫4～5％。长期堆放,使资金周转和回收率受到影响。为解决长期堆放的铁杂砂,我厂利用生产的选矿设备空闲的时候,进行了几个选别工艺流程方案的比较,并只用了20天就完成了半工业性试验。钨回收率达68.34％,品位为67.84％。
Gannan small non-ferrous metals plant tin refining plant produced by the dressing shop due to the management of lacunic, graded iron ore fineness and size are blended. Iron sand contains WO_337.77%, tin 2.32%, copper 4.1%, sulfur 4 ~ 5%. Long-term piling up, so that cash flow and recovery rates are affected. To solve the long-term accumulation of iron ore, I use the production plant beneficiation equipment free time, carried out several sorting process scheme comparison, and only 20 days to complete the semi-industrial test. Tungsten recovery rate of 68.34%, grade 67.84%.