浅谈沿空掘巷的瓦斯治理

Gas Control of Gob-side Entrydriving

平煤股份六矿丁6-21110机巷沿丁5-21130风巷掘进过程中瓦斯异常涌出,在掘进生产过程中瓦斯的浓度高达0.8%,采用综合治理方案后,生产中瓦斯浓度控制在0.2%-0.3%,实现可控效果。

When mining from D 6-21110 to D 5-21130 airway of No.6 Coal Mine under Pingdingshan Corporation, it occurs abnormal gas emission, and in the production process, the gas concentration is as high as 0.8%; after adopting comprehensive control scheme, in the production, the gas concentration controls in 0.2%--0.3%, and achieves controllable effect.