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jin ju li gao wa si mei ceng qun kuang jing wa si zai hai zhi li ji shu fen xi
Author(s): 
Pages: 140
Year: Issue:  33
Journal: Venture Capital

Keyword:  近距离煤层群瓦斯灾害治理技术;
Abstract: 煤矿在开采和挖掘的过程中极易受到瓦斯灾害的威胁,从而使矿区开采难度大大增加.基于此,本文就近距离高瓦斯煤层群矿井瓦斯灾害治理技术进行研究,首先就近距离高瓦斯煤层群矿井瓦斯灾害的基本情况和赋存规律进行分析,然后结合当前矿区开采的实际情况,就大面积区域预抽瓦斯技术、高位钻孔抽采卸压技术和长距离定向钻孔技术进行分析,从而提高瓦斯灾害的治理水平.
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