高瓦斯综采工作面瓦斯治理措施研究

Study on gas control measures for high gas fully mechanized working face

针对高瓦斯综采工作面的瓦斯治理问题,本文分析了工作面瓦斯来源,提出了“偏W型通风+迎面斜交钻孔抽放”的综合治理方案,模拟结果表明,偏W型通风的通风阻力仅为U型通风方式的41%,模拟结果显示偏W型通风可有效解决上隅角瓦斯浓度超限问题,该措施在瓦斯治理和节电降耗等方面有明显优势。

In order to solve the gas management problem of high gas comprehensive mining face,the gas source was analyzed,and a comprehensive management scheme of"partial W ventilation+face oblique cross borehole pumping"was proposed,the calculation results showed that the ventilation resistance of partial W ventilation was only 41%of that of U ventilation,and the simulation results showed that partial W ventilation can effectively solve the problem of gas concentration over limit at the upper corner.