祥升煤矿不同风量下采动空间瓦斯运移规律研究  

Research on Gas Migration Law in Mining Space of Xiangsheng Coal Mine

作　　者：郭汉武 GUO Hanwu(Shanxi Shouyang Luyang Xiangsheng Coal Industry Co.,Ltd.,Shouyang 045400,China)

机构地区：[1]山西寿阳潞阳祥升煤业有限公司,山西寿阳045400

出　　处：《煤矿现代化》2024年第6期139-142,共4页Coal Mine Modernization

摘　　要：为解决祥升煤矿瓦斯涌出量大、工作面上隅角瓦斯超限等问题,以6301工作面为研究对象,采用Fluent数值模拟软件探究不同风量下工作面采动空间的瓦斯运移。研究结果表明:随着风量的增加,瓦斯浓度逐渐降低,1500 m~3/min风量时,瓦斯浓度最低为1.26%。在风流的作用下,瓦斯会在工作面后方和回风巷一侧积聚,采空区内部会出现不同程度的漏风现象,不同层位低瓦斯含量区域随着风量的增加而增加。In order to solve the problems of large gas emission and gas overrun in the upper corner of the working face in Xiangsheng Coal Mine,taking the 6301 working face as the research object,the Fluent numerical simulation software was used to explore the gas migration in the mining space of the working face under different air volume.The results show that with the increase of air volume,the gas concentration gradually decreases,and the lowest gas concentration is 1.26%when the air volume is 1500 m3/min.Under the action of airflow,gas will accumulate behind the working face and on the side of the return air roadway,and air leakage will occur in the goaf to varying degrees.The areas with low gas content in different horizons will increase with the increase of air volume.

关 键 词：采空区 瓦斯 风量 运移规律 

分 类 号：TD712[矿业工程—矿井通风与安全]