尾巷瓦斯抽放技术应用

Application of Gas Drainage Technology in Tail Roadway

义马煤业集团公司义络公司工作面倾角较大,上隅角成为瓦斯管理的重点部位。该公司根据开采技术条件,利用尾巷进行瓦斯抽放,基本杜绝了上隅角和回风流瓦斯超限问题。

The inclined angle of the face is big in Yiluo Comp., in Yima Coal Industry Group Comp. The upper comer becomes a key spot in gas management. According to the mining technology conditions, the gas was drained by tail roadways. The gas overrun at the upper comer and return windy roadways was basically stopped.