低瓦斯煤矿井下瓦斯抽采系统的应用

Application of Underground Drainage System in Low-Gas Colliery

以山西蒲县宏源集团郭家山煤业有限公司为实例,对瓦斯抽采系统抽放能力进行了提升改造,特别是高位钻孔抽放采空区瓦斯的技术应用,彻底解决了工作面回风隅角瓦斯超限的问题,取得显著的综合效益。

The paper introduces the promotion of drainage ability in gas drainage system by application of high-level borehole in goal gas drainage, which can thoroughly solve the problem of gas overrun in upper corner with remarkable comprehensive benefit.