There are serious safety risks in coal mine safety production,that is,the accumulation and overlimit of gas in the return air corner of coal mining face.Therefore,coal mining enterprises need to strengthen the management of the return air corner of coal mining face.The gas source and accumulation reasons in the return air corner were analyzed,and a series of gas control measures were put forward to solve the problem of gas accumulation in the return air corner and prevent it from exceeding the limit,thus affecting the safety of coal mine.
关键词
安全生产/回风隅角/瓦斯积聚/治理措施
Key words
safety production/return air corner/gas accumulation/control measure