浅谈杉林煤矿回采工作面上隅角瓦斯防治措施

摘要

回采工作面上隅角是采空区瓦斯集中涌出的地点,容易产生瓦斯积聚,严重影响矿井的安全生产,本文介绍了杉林煤矿2112回采工作面利用安装喇叭袋产生负压区抽放上隅角瓦斯积聚的措施与效果。%Upper corner of working face is a place where gas gushes,gas easy to accumulate and severely influence on safety production of mines.Aiming at the measures and efficiency of gas drainage in upper corner in 2112 Working Face of Shalin Colliery,the paper has summarized its advantages and disadvantages.