| 三软厚煤层综采工作面瓦斯综合抽采技术 |
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| 引用本文： | 黄永菲,丁金华,蒋国芳,王卫桢.三软厚煤层综采工作面瓦斯综合抽采技术[J].煤炭科学技术,2009,37(2). |
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| 作者姓名： | 黄永菲 丁金华 蒋国芳 王卫桢 |
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| 作者单位： | 郑州煤业(集团)有限责任公司裴沟煤矿,河南,新密,452382
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| 摘 要： | 为了解决裴沟煤矿高含量瓦斯制约工作面正常回采的问题,在三软不稳定厚煤层高瓦斯综采工作面采取了本煤层抽采措施、动压区煤壁浅孔抽采措施、抽采巷抽采措施等3种技术措施,抽采后工作面配风量维持在1 235 m2/min,风排平均瓦斯体积分数由0.91%下降为0.58%,绝对瓦斯涌出量为7.16 m3/min.
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| 关 键 词： | 三软厚煤层 综采工作面 综合抽采 |
Comprehensive Gas Drainage Technology of Fully Mechanized Mining Face in Seam with Soft Roof,Soft Coal and Soft Floor |
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| HUANG Yong-fei,DING Jin-hua,JIANG Guo-fang,WANG Wei-zhen.Comprehensive Gas Drainage Technology of Fully Mechanized Mining Face in Seam with Soft Roof,Soft Coal and Soft Floor[J].Coal Science and Technology,2009,37(2). |
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| Authors: | HUANG Yong-fei DING Jin-hua JIANG Guo-fang WANG Wei-zhen |
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| Affiliation: | Peigou Mine;Zhengzhou Coal Mining Group Corporation;Xinmi 452382;China |
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| Abstract: | In order to solve the high gas content restrained the normal mining operation in the coal mining face of Peigou Mine,the technical measures of the in-seam gas drainage,short borehole gas drainage in coal wall in the dynamic area and gas drainage in the gas drainage gateway were taken for the fully mechanized coal mining face in an unstable thick seam with high gas content,soft roof,soft coal and soft floor.After the gas drainage operation,the ventilation supply to the coal mining face should be kept to 1 23... |
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| Keywords: | thick seam with soft roof soft coal and soft floor fully mechanized longwall mining face comprehensive gas drainage |
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