东曲煤矿综采工作面上隅角瓦斯治理研究

Gas Control Research of Upper Corner of Fully Mechanized Mining Face in Dongqu Coal Mine

针对"U"型通风的综采工作面上隅角瓦斯较大的问题,分析综采工作面上隅角瓦斯产生的原因,并提出治理的方法,根据综采工作面瓦斯赋存情况采取有效的措施治理采煤工作面上隅角瓦斯,杜绝上隅角瓦斯超限。

Based on larger gas problem of the upper comer in fully mechanized coal mining face of ＂U ＂ventilation, analyzes the causes of the upper corner in fully mechanized coal mining face, and puts forward the type man-agement methods. According to the gas occurrence situation of fully mechanized coal mining face take effective meas-ures, control the gas of the upper comer in coal mining face, put an end to gas over limit of the upper corner.