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介绍了末煤重介选工艺中脱介筛分级粒度对介耗的影响，分析了改变常规的脱介筛分级粒度、强化粗煤泥回收、增加重介系统内部循环水对有效降低系统介耗、降低生产成本的技术支持及优越性。
This paper introduces the effect of the size fractionation of the descrossover sieve on the medium consumption in the final coal HM separation process. It is analyzed that changing the conventional classifying granularity of the descaling sieve, strengthening the recovery of coarse slime, increasing the internal circulating water in the HM system can effectively reduce the system consumption , Reduce production costs, technical support and superiority.