囊袋式两端自堵封孔工艺实验效果研究--以焦煤集团中马村矿为例
Management & Technology of SME(2014)
Abstract
抽采钻孔封孔质量的优劣直接影响着煤矿回采工作面瓦斯抽采效果。针对国内瓦斯抽采浓度普遍偏低的现状,特引进囊袋式两端自堵封孔工艺以提高瓦斯抽采功效及浓度。本文以焦煤集团中马村矿为例,通过实验探索该工艺在增强瓦斯抽采效果上的优势。
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