18205工作面上隅角瓦斯治理方案研究

Study on the Gas Control Measures of Upper Corner at 18205 Working Face

基于18205工作面概况及上隅瓦斯超限原因,为了有效治理工作面上隅角瓦斯超限问题,从采空区顶板活动规律、冒落带及裂隙带高度确定、裂隙带钻孔及存在的问题等方面对18205工作面上隅角瓦斯治理方案进行了探讨。

Based on general situation of 18205 working face and the reasons of gas overshoot in upper corner, this paper discussed the gas control measures of upper corner at 18205 working face from aspects of roof movement rule in goaf, height determination of the caving zone and the fracture zone, fracture zone drilling and existing problems in order to effectively control the problem of corner gas overlimit on working surface.