| 综放工作面瓦斯涌出规律分析 |
| |
| 引用本文： | 王春晓,陈开岩,司俊鸿,郭一鹏,张宝,张森.综放工作面瓦斯涌出规律分析[J].煤炭科学技术,2011,39(11):77-80,111. |
| |
| 作者姓名： | 王春晓 陈开岩 司俊鸿 郭一鹏 张宝 张森 |
| |
| 作者单位： | 中国矿业大学安全工程学院,江苏徐州,221116 |
| |
| 摘 要： | 为给解决高瓦斯单一低透气性难抽煤层综放开采工作面上隅角瓦斯积聚难题提供数据支持,采用控制单元体法,进行立体网格状的测点布置,对某工作面瓦斯浓度三维分布进行了测定和分析,绘制了瓦斯浓度分布等值线图,根据数据分析结果及瓦斯守恒方程和风量守恒方程,获得了采煤时采空区瓦斯涌出总量为1.77 m3/min;煤壁瓦斯涌出量为2.30 m3/min;落煤瓦斯涌出量为1.87 m3/min;工作面风排瓦斯总量为11.88 m3/min;工作面落煤、煤壁和采空区瓦斯涌出量的比值分别为31.5%、38.7%、29.8%。
|
| 关 键 词： | 瓦斯分布 等值线 涌出分量 综放采场 上隅角瓦斯治理 控制单元体法 |
Analysis on Gas Emission Law of Fully Mechanized Top Coal Caving Mining Face |
| |
| WANG Chun-xiao,CHEN Kai-yan,SI Jun-hong,GUO Yi-peng,ZHANG Bao,ZHANG Sen.Analysis on Gas Emission Law of Fully Mechanized Top Coal Caving Mining Face[J].Coal Science and Technology,2011,39(11):77-80,111. |
| |
| Authors: | WANG Chun-xiao CHEN Kai-yan SI Jun-hong GUO Yi-peng ZHANG Bao ZHANG Sen |
| |
| Affiliation: | WANG Chun-xiao,CHEN Kai-yan,SI Jun-hong,GUO Yi-peng,ZHANG Bao,ZHANG Sen(School of Safety Engineering,China University of Mining and Technology,Xuzhou 221116,China) |
| |
| Abstract: | In order to provide the data support for the resolution of the upper corner gas accumulation problems in the fully mechanized top coal caving mining face in the high gassy low permeability and difficult drainage seam,the controlled single element method was applied to the layout of the cubic mesh type measuring points.The measurement and analysis was conducted on the gas density 3D distribution of the coal mining face and the isoline figure of the gas density distribution was drawn.According the data analys... |
| |
| Keywords: | gas distribution isoline emission component fully mechanized top coal caving mining face upper corner gas control controlled single element method |
| 本文献已被 CNKI 万方数据 等数据库收录！ |
|
