| 预抽煤层瓦斯区域防突效果检验指标临界值研究 |
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| 引用本文： | 杨宏民,王兆丰,王松,陈向军,许彦鹏.预抽煤层瓦斯区域防突效果检验指标临界值研究[J].中国安全科学学报,2011,21(5). |
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| 作者姓名： | 杨宏民 王兆丰 王松 陈向军 许彦鹏 |
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| 作者单位： | 1. 河南理工大学安全科学与工程学院,河南焦作,454000
2. 河南理工大学安全科学与工程学院,河南焦作454000;煤炭科学研究总院重庆研究院,重庆400039 |
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| 基金项目： | 国家自然科学基金资助(50974056); 河南省重点科技攻关项目(092102310037) |
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| 摘 要： | 瓦斯突出危险性预测是防治煤与瓦斯突出的关键环节,瓦斯突出预测指标的临界值是决定区域防突是否达标的重要参数。为了确定寺河矿西井区3号煤层的区域预抽后煤层瓦斯防突效果评价指标体系,以瓦斯突出综合作用假说为基础,通过现场采取原始煤样,并在密封煤样罐内达到吸附平衡,测定残余瓦斯含量和残余瓦斯压力的关系,研究了原煤瓦斯含量与瓦斯压力的关系及原煤中水分的对其影响规律,提出始突瓦斯压力对应的瓦斯含量作为评价指标的临界值为10 m3/t,并通过现场跟踪考察对得出的瓦斯含量临界值的可靠性进行了现场验证,结果表明,10 m3/t作为区域防突效果评价的临界指标是可靠的。
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| 关 键 词： | 预抽煤层瓦斯 始突瓦斯压力 临界值 原煤水分的影响规律 区域防突 |
Study on Critical Value of Outburst Effect Inspection Index in Case of Regional Gas Predrainage |
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| YANG Hong-min,WANG Zhao-feng,WANG Song,CHEN Xiang-jun,XU Yan-peng.Study on Critical Value of Outburst Effect Inspection Index in Case of Regional Gas Predrainage[J].China Safety Science Journal,2011,21(5). |
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| Authors: | YANG Hong-min WANG Zhao-feng WANG Song CHEN Xiang-jun XU Yan-peng |
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| Institution: | YANG Hong-min WANG Zhao-feng WANG Song CHEN Xiang-jun XU Yan-peng(1 School of Safty Science & Engineering,Henan Polytechnic University,Jiaozuo Henan 454000,China 2 Chongqing Institute of China Coal Research Institute,Chongqing 400039,China) |
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| Abstract: | China is one of the most serious countries in coal and gas outburst in the world,gas outburst prediction is the key technology of gas control,and the critical value of gas outburst prediction index is very important parameter to decides whether regional control of gas outburst is effective or not.In order to study the evaluation index of the regional drainage of No.3 coal seam in Sihe mine,based on the gas outburst integrative theory,the residual gas content,residual gas pressure and their relation of origi... |
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| Keywords: | gas pre-drainage from virgin coal seam minimum pressure of gas outburst critical value influence law of original coal moisture regional control of gas outburst |
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