| 工作面卸压区浅孔瓦斯抽放技术研究 |
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| 引用本文： | 张建国,林柏泉,叶青. 工作面卸压区浅孔瓦斯抽放技术研究[J]. 采矿与安全工程学报, 2006, 23(4): 432-436 |
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| 作者姓名： | 张建国 林柏泉 叶青 |
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| 作者单位： | 中国矿业大学,能源与安全工程学院,江苏,徐州,221008;平顶山煤业(集团)公司四矿,河南,平顶山,467003;中国矿业大学,能源与安全工程学院,江苏,徐州,221008 |
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| 基金项目： | 国家自然科学基金项目(50534090,50574093)，国家重点基础研究发展规划(973)项目(2005CB221506)，高等学校博士点专项科研基金项目，江苏省自然科学基金重点项目(BK2003215) |
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| 摘 要： | 为提高低透气性、高瓦斯煤层工作面的瓦斯预抽效果，对工作面瓦斯抽放新技术进行了研究．根据矿山压力分布规律和抽放钻孔的隔断控制作用，并利用工作面前方煤体受采动卸压后透气性显著提高这一特性，研究并试验了卸压区浅孔抽放技术，获得了该抽放技术的工艺参数．研究结果表明该抽放技术可行、系统可靠，能有效提高超前排放钻孔瓦斯排放效果、显著降低煤与瓦斯突出危险性，这对解决低透气性煤层在回采工作面生产过程中的瓦斯问题具有实际意义．
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| 关 键 词： | 透气性 隔断控制作用 卸压区 浅孔抽放 瓦斯治理 |
| 文章编号： | 1673-3363(2006)04-0432-05 |
| 修稿时间： | 2006-07-04 |
Research on Technology of Draining Methane off Shallow Borholes in a Stress-Relaxation Area of Working Face |
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| ZHANG Jian-guo,LIN Bai-quan,YE Qing. Research on Technology of Draining Methane off Shallow Borholes in a Stress-Relaxation Area of Working Face[J]. Journal of Mining and Safety Engineering, 2006, 23(4): 432-436 |
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| Authors: | ZHANG Jian-guo LIN Bai-quan YE Qing |
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| Affiliation: | ZHANG Jian-guo~ |
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| Abstract: | In order to enhance the gas drainage effect in a working face with low permeability and high concentration of gas,the new methane drainage technology is studied.According to the underground pressure distribution rule and the separation control function of drainage borehole,the shallow hole drainage technology is studied and tested by using the characteristic that the gas permeability may have an obvious increase after mining in front of the working face,obtaining some useful parameters,showing that the technology is feasible and credible.So it is significant for methane harnessing in those working faces with low gas permeability. |
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| Keywords: | gas permeability separation control function stress-relaxation zone shallow hole drainage methane harnessing |
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