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针对平煤集团八矿１３１７０工作面瓦斯经常超限的实际情况，对瓦斯来源进行了调查分析，提出了用气动风机抽排采空区瓦斯的具体方案，实践证明效果良好。
In view of the fact that the gas of 13170 working face of No.8 Mine in Pingdingshan Coal Mine Group is often overrun, the gas source was investigated and analyzed. The specific scheme of pumping methane from the gob with pneumatic blower was put forward. The practice proved to be effective.