忻州窑矿回采工作面上隅角瓦斯的超限处理

Dealing with overgassing at the corners near mineout area of the coal face in Xinzhouyao Mine

分析了大同矿务局忻州窑矿回采工作面上隅角瓦斯超限的原因，提出改变采空区“三区”分布范围并使上隅角瓦斯超限区后移。

Analyzed the reasons resulted in the problem of overgassing at the corners near mineout area of the coal face in Xinzhouyao Mine,this paper puts forward the method to remove the problem away that is to make the overgassing areas in the corners to move backward and to change the distribution of three areas in coal waste by using auxilary fans.