发耳煤矿下行孔排水装置提高瓦斯抽采的应用  

Application of water draining equipment in the down hole to improve gas drainage in Fa'er Coal Mine

作　　者：孙守义[1,2] 黄良[1,3,4] 李希建[1,3,4] 何登华 王伟 王超群 

机构地区：[1]贵州大学矿业学院,贵州省贵阳市550025 [2]贵州发耳煤业有限公司,贵州省六盘水市756404 [3]复杂地质矿山开采安全技术工程中心,贵州省贵阳市550025 [4]贵州省非金属矿产资源综合利用重点试验室,贵州省贵阳市550025

出　　处：《中国煤炭》2016年第2期98-100,共3页China Coal

基　　金：贵州省重大应用基础研究项目(Z143160);贵州省科技厅工业攻关项目(Z113166);贵州省教育厅项目(Z134016);贵州发耳煤矿保护层开采效果研究(H140670);贵州大学研究生创新基金(研理工2015070)

摘　　要：为解决下行孔积水影响瓦斯抽采难题,分析了发耳煤矿现有的下行孔瓦斯抽采技术存在的问题,研制出了一种压风排水装置。在发耳煤矿10702顶板抽放巷应用表明:试验钻孔瓦斯浓度最高可达87%,单孔抽采纯量最高可达0.63 m^3/min,单孔最高抽采纯量为普通孔的1.34倍,该装置的应用有效地解决了下行孔因积水影响瓦斯抽采效果难题。In order to solve the problems that ponding water in the down hole affected the gas drainage,the existing issues of gas drainage in the down hole were analyzed in the Fa＇er Coal Mine and the water draining equipment by compressed air was presented.The practice of water draining equipment by compressed air in the 10702 roof drainage roadway of Fa＇er coal mine shows that the gas concentration of experimental hole reaches up to 87%,the gas flow of gas drainage in the single hole reaches up to 0.63m^3/min,which is 1.34 times of gas flow of ordinary hole.The application of water draining equipment effectively solved the problems that ponding water in the down hole affected the gas drainage.

关 键 词：瓦斯抽采 下行孔 压风排水 排水装置 

分 类 号：TD713.3[矿业工程—矿井通风与安全]