综采工作面上隅角瓦斯抽放技术研究

Study on the gas drainage technology of the upper corner of fully mechanized mining face

为有效治理综采工作面上隅角瓦斯难题,新义公司提出并实施了天井留管抽放与上隅角埋管抽放相结合的方法,经过一段时间现场运用,取得了良好的效果。

For the effective governance of gas problem in upper corner of fully mechanized working face, Xinyi company put forward and implemented the drainage method combined with the raise indwelling drainage and buried pipe in upper corner, after a period of time field use and achieved good results.