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根据艾维尔沟煤矿选煤厂原煤变化及市场要求，通过改造煤泥水流程、恢复压滤机、采用浮精间接掺混法降水，解决了难选煤入选、精煤灰分不稳定、水分超标问题，取得了可观的经济和社会效益。
According to the change of raw coal and market requirement in Awell Er Coal Mine Coal Preparation Plant, the process of reformation of slime water, restoration of filter press and indirect blending of floating fine sedimentation are adopted to solve the problems of difficult coal selection, instability of fine coal ash content and excessive water content , Has made considerable economic and social benefits.