贵州高瓦斯矿井高位瓦斯抽放钻孔合理布置参数研究  

Study on Reasonable Decorating Parameters of Gas Drainage Borehdes in High Gas Mines in Guizhou Province

作　　者：陈法喜[1] 赵志宏[1] 刘斌[1] 

机构地区：[1]河南煤业化工集团贵州黔西石桥煤业有限公司,贵州黔西551507

出　　处：《煤炭技术》2012年第5期109-111,共3页Coal Technology

摘　　要：通过对石桥矿10402采面上隅角、回风流瓦斯及钻孔抽放效果进行分析,合理布置参数,采面回风流瓦斯由原来的0.9%左右下降到0.4%左右,彻底解决了瓦斯超限问题,实现了安全生产。Through analyzing gas in the upper corner and return air,and the drainage effects of boreholes,the drainage parameters were reasonably decorated.The gas volume fraction in return air was reduced form about 0.9% to about 0.4%.The gas overrun problem was solved.The safety in production was realized.

关 键 词：高位钻孔 瓦斯治理 抽放参数 

分 类 号：TD712[矿业工程—矿井通风与安全]