摘要
鸡西矿业集团正阳煤矿一采37#左六工作面应用顶板高位钻孔抽放瓦斯的技术,解决上隅角及回风瓦斯超限问题,为该矿在此煤层开采过程中解决瓦斯超限问题积累了经验,同时也为矿井开采其它相邻煤层治理瓦斯提供参考依据。
The gas drainage technology with roof height drilling hole is applied to solve the gas overrun problem of the upper comer and return airway in No. 1 mining area 37^# left No. 6 face, Zhengyang Coal Mine, Jixi Mining Industry Group Comp. The experience is accumulated to solve the gas overrun problem in the process of mining this coal layer. At the same time, the reference is provided for gas management in mining other adjacent coal layer.
出处
《煤炭技术》
CAS
2008年第4期72-73,共2页
Coal Technology
关键词
瓦斯抽放
高抽钻孔
抽放效果
gas drainage
height drainage drilling hole
drainage effect
