综放工作面坚硬厚煤层注水软化工艺与效果分析

Water Injection Softening Process and Effect Analysis for Hard and Thick Coal Seam in Fully Mechanized Caving Face

摘要: 根据小红沟煤矿+618B₁₊₂综采放顶煤工作面煤层状况，选择合理煤层注水参数，运用合理的施工工艺，加强煤层注水的日常管理，对回采工作面的回采率、块煤率、原煤产量及降尘都起到了良好的效果。

Abstract: According to the coal seam condition of +618B₁₊₂ fully mechanized caving face in Xiaohonggou Coal Mine, it selected reasonable coal seam water injection parameters, and used the reasonable construction technique, then strengthened daily management of coal seam water injection, which had good effects for the recovery rate, lump coal rate, the output of raw coal, and dust suppression.