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分析了淮南矿务局潘三矿选煤厂介耗高、块煤重介分选效率低的主要因素，采取了切实可行的改造措施，在实际生产中取得了较好的效果。
This paper analyzes the main factors that the coal preparation plant of Pansan Coal Mine, Huainan Mining Bureau, has high medium consumption and low lignite separation efficiency, adopts feasible reform measures and has achieved good results in actual production.