摘要
分析了宁庄煤矿21110工作面回风隅角瓦斯积聚的原因,在常规治理方法的基础上对回风隅角瓦斯进行埋管抽放,有效地防止了回风隅角瓦斯积聚现象。
The paper analyzed the causes and influencing factors for the gas accumulation in the upper comer of 21110 working face in Ningzhuang colliery, and proposed to perform pipe drainage on the upper comer gas based on conventional upper comer gas treatment, which has proved to be effective on eliminating the upper comer gas accumulation phenomenon.
出处
《江西煤炭科技》
2017年第2期39-40,46,共3页
Jiangxi Coal Science & Technology
关键词
综采工作面
回风隅角
瓦斯积聚
抽放
fully mechanized mining face
upper comer
gas accumulation
drainage
