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钨选矿过程有一部分中间产品,用目前的选矿工艺和装备再行分选,不易得到质量好、回收率较高的钨精矿,特别是粒度细、杂质多、单体分离差的中间产品,更难分离。我厂于1965年,采取因陋就简的办法,将原细泥工段改建成为水冶车间,用苏打烧结法处理选矿中间产品,生产合成白钨。投产以来,产品合格,三氧化钨的回收率达到80％以上。
Tungsten beneficiation process part of the intermediate products, with the current dressing process and equipment re-sorting, not easy to get good quality, high recovery of tungsten concentrates, especially small size, impurities, intermediate separation of poor products, More difficult to separate. I plant in 1965, taken due to simple ways to transform the original fine mud section into a watermelting workshop, with soda sintering processing of intermediate products, the production of synthetic scheelite. Since put into production, the product qualified, the recovery rate of tungsten trioxide reached more than 80%.