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安徽省滁州铜鑫矿业有限公司选矿厂日处理矿石1000t,其中尾矿占90%左右。尾矿经砂泵送入旋流器分级,粗颗粒进入井下采场充填,细颗粒进入尾矿库自然堆积。随着开采向深部推进,充填尾砂需求量增加,尾矿粒级分配问题尤显重要。一方面要保证大量粗颗粒尾砂进入井下采场进行充填;另一方面要尽量减少进入尾矿库的溢流砂量。
Chuzhou Tongxin Mining Co., Ltd., Anhui Province beneficiation plant processing ore 1000t, of which about 90% tailings. Tailings sand into the cyclone grading, coarse particles into the downhole stope filling, fine particles into the tailings pond natural accumulation. As mining progresses deeper, the demand for tailings filling increases, and the issue of tailings particle size distribution becomes even more important. On the one hand, it is necessary to ensure that a large amount of coarse particle tailings enter the downhole stope for filling; on the other hand, the amount of overflow sand entering the tailings pond should be minimized.