| 远距离下保护层开采工作面瓦斯治理技术 |
| |
| 引用本文： | 王福厚,张军. 远距离下保护层开采工作面瓦斯治理技术[J]. 煤炭科学技术, 2008, 36(9) |
| |
| 作者姓名： | 王福厚 张军 |
| |
| 作者单位： | [1]煤炭科学研究总院抚顺分院,辽宁抚顺113122 [2]安徽理工大学,安徽淮南232001 [3]煤炭科学研究总院重庆研究院,重庆400037 |
| |
| 摘 要： | 为了保证潘三矿B11-2煤层17151(1)保护层工作面的安全顺利回采,在开采过程中,对17151(1)工作面瓦斯涌出来源进行了分析,根据分析结果提出了采用顺层钻孔瓦斯预抽、顶板走向钻孔采空区瓦斯抽放等瓦斯治理技术.结果表明,采前预抽及顶板走向钻孔抽放采空区瓦斯等技术可有效治理B11-2下保护层工作面瓦斯超限问题,采前预抽对解决采煤工作面遇断层破碎带瓦斯超限效果十分明显.
|
| 关 键 词： | 远距离下保护层 瓦斯涌出来源 瓦斯抽放 |
Gas control technology for coal mining face in protected seam under long distance to next seam |
| |
| WANG Fu-hou ZHANG Jun. Gas control technology for coal mining face in protected seam under long distance to next seam[J]. Coal Science and Technology, 2008, 36(9) |
| |
| Authors: | WANG Fu-hou ZHANG Jun |
| |
| Affiliation: | WANG Fu-hou~1 ZHANG Jun~(2,3) (1.Fushun Branch,China Coal Research Institute,Fushun 113122,China,2.Anhui University of Science , Technology,Huainan 232001,3.Chongqing Research Institute,Chongqing 400037,China) |
| |
| Abstract: | In order to ensure a safety and successful mining operation in No.17151 (1)mining face of the protective seam of B_(11-2) seam in Pansan Mine,the paper analyzed the gas emission resources in No.17151 (1) coal mining face during the coal milling operation.Base on the analysis results,the paper provided the gas pre-drainage with boreholes drilled in and along the seam,the gas drainage with bore- holes drilled in the roof in the strike above the goaf and other gas control technology for the gas control.The res... |
| |
| Keywords: | downward protected seam with a long distance gas emission resources gas drainage |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
|
