| 穿层水力冲孔增透技术在严重突出煤层中的应用 |
| |
| 引用本文： | 王念红,陈祖国. 穿层水力冲孔增透技术在严重突出煤层中的应用[J]. 煤炭科学技术, 2011, 39(5): 61-63,82 |
| |
| 作者姓名： | 王念红 陈祖国 |
| |
| 作者单位： | 洛阳义安矿业有限公司,河南,新安,471821 |
| |
| 摘 要： | 为了消除严重突出煤层的突出危险性,提高煤层瓦斯预抽率和突出煤巷掘进工作面的掘进速度,以义马煤业集团义安矿YX001工作面轨道巷为研究背景,对穿层水力冲孔增透技术的施工工艺及增透效果进行了研究。现场应用表明,穿层水力冲孔增透技术措施能降低煤层瓦斯压力,增加透气性,冲孔后,残余瓦斯含量下降到3.34~6.43 m3/t,有效地消除了煤层突出危险性;大幅度释放煤体中的瓦斯,使严重突出煤层巷道掘进速度提高了1倍以上,掘进速度达70 m/月(18.3m2大断面),取得了良好的综合防突效果。
|
| 关 键 词： | 突出煤层 穿层水力冲孔 瓦斯 防突措施 |
Application of Permeability Improvement Technology with Hydraulic Flushing Borehole Passing Through Strata |
| |
| WANG Nian-hong,CHEN Zu-guo. Application of Permeability Improvement Technology with Hydraulic Flushing Borehole Passing Through Strata[J]. Coal Science and Technology, 2011, 39(5): 61-63,82 |
| |
| Authors: | WANG Nian-hong CHEN Zu-guo |
| |
| Affiliation: | WANG Nian-hong,CHEN Zu-guo(Luoyang Yi'an Coal Mining Company Ltd.,Xin'an 471821,China) |
| |
| Abstract: | In order to eliminate the outburst danger of the serious outburst seam and to improve the seam gas pre-drainage rate and the driving speed of the gateway driving face in the outburst seam,based on the railway gateway of No.YX001 coal mining face in Yi'an Mine of Yima Coal Mining Group as the research background,a research was conducted on the construction technique of the permeability improvement technology with the hydraulic flushing borehole passing through strata and the permeability improvement effect.T... |
| |
| Keywords: | outburst seam hydraulic flushing borehole gas outburst prevention measures |
| 本文献已被 CNKI 万方数据 等数据库收录！ |
|
