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分析了浮选精煤污染机理和细粒煤选择性差的原因,通过试验,模拟预测了脱泥工艺、分级 工艺、一次精选工艺、浮选柱浮选机联合工艺、优化浮选工艺参数等降灰方法对高灰煤泥浮选改-善效果及可行性。在综合评价的基础上提出重介浮选工艺选煤厂浮选精煤降灰方案。-
The reason of flotation coal pollution mechanism and fine coal selectivity is analyzed. The desilting process, grading process, the first selection process, the flotation column flotation machine combined process and the optimization of flotation process parameters are predicted through experiments and simulations Effect of Gray Reduction Method on Flotation of High Ash Coal Slurry - Good Effect and Feasibility. On the basis of the comprehensive evaluation, the paper puts forward the plan of flotation coal ash reduction at the HM flotation process. -