钻孔预抽煤层瓦斯CFD模拟参数优化研究  

Study on Drilling Pre-pumping Coal Seams Gas CFD Simulation Parameter Optimization

作　　者：方可[1,2] 吴桂义[1,2] 马帅[1,2] 

机构地区：[1]贵州大学矿业学院,贵阳550003 [2]贵州非金属矿产资源综合利用重点实验室,贵阳550003

出　　处：《煤》2012年第10期4-6,17,共4页Coal

基　　金：贵州省科技厅重大专项计划项目(20086012)

摘　　要：文章运用CFD模拟软件,对钻孔预抽煤层瓦斯进行模拟,得出了最佳钻孔布置参数。经试验,用该方法指导的月亮田煤矿131015工作面,预抽煤层瓦斯抽放率从23.5%提高到49.11%,取得了很好的消突效果,对钻孔预抽煤层瓦斯具有一定的指导意义。By applying of CFD simulation software, this paper simulates the pre - pumping coal seam gas drilling, and draws the layout parameters of the best drilling test, this method is used on 131015 face in Yueliangtian Coal Mine, the pre -pumping coal seam gas drainage rate has improved from 23.5 % to 49.11% ,which means it achieved good results, besides, it has a guiding significance of pre -pumping coal seams gas drilling.

关 键 词：CFD模拟 钻孔 煤层瓦斯 钻孔布置参数 

分 类 号：TD712.6[矿业工程—矿井通风与安全]