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[1]杨明,闫潮,刘亚军.斜交高位钻孔抽采空区瓦斯设计及优化研究[J].中国安全生产科学技术,2014,10(7):117-122.[doi:10.11731/j.issn.1673-193x.2014.07.021]
　YANG Ming,YAN Chao,LIU Ya jun.Research and optimization of gas extraction in gob by skew high level boreholes[J].JOURNAL OF SAFETY SCIENCE AND TECHNOLOGY,2014,10(7):117-122.[doi:10.11731/j.issn.1673-193x.2014.07.021]
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斜交高位钻孔抽采空区瓦斯设计及优化研究
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《中国安全生产科学技术》[ISSN:1673-193X/CN:11-5335/TB]

卷:
10
期数:
2014年7期
页码:
117-122
栏目:
职业安全卫生管理与技术
出版日期:
2014-07-31

文章信息/Info

Title:
Research and optimization of gas extraction in gob by skew high level boreholes
作者:
杨明1; 2; 闫潮2; 刘亚军2
（1 河南省瓦斯地质与瓦斯治理重点实验室——省部共建国家重点实验室培育基地, 河南 焦作 454003; 2 河南理工大学 安全科学与工程学院，河南 焦作 454003）
Author(s):
YANG Ming1; 2; YAN Chao2; LIU Ya jun2
(1 State Key Laboratory Cultivation Base for Gas Geology and Gas Control, Jiaozuo Henan 454003, China; 2 School of Safety Science and Engineering, Henan Polytechnic University, Jiaozuo Henan 454003, China)
关键词:
斜交高位钻孔; 数值模拟; 仰角; 夹角; 瓦斯浓度; 瓦斯抽采
Keywords:
skew high level borehole;  numerical simulation;  elevation angle;  included angle;  gas concentration;  gas extraction
分类号:
X936
DOI:
10.11731/j.issn.1673-193x.2014.07.021
文献标志码:
A
摘要:
为了得到斜交高位钻孔最佳抽采效果，利用Fluent软件模拟斜交高位钻孔仰角分别为20°、30°和35°时采空区瓦斯浓度分布，分析钻孔仰角为30°，夹角为15°、25°、35°、45°时钻孔抽采情况。结果表明：斜交高位钻孔仰角为30°，夹角为25°时钻孔抽采纯量为212m3/min，抽采纯量最大，钻孔抽采效果最佳。根据现场实测数据，得到斜交高位钻孔抽采效果最佳时钻孔仰角与夹角分别为30°、27°，两者结果基本一致，从而验证了数值模拟结果的正确性。
Abstract:
In order to obtain the optimum extracting effect of skew high level boreholes, taking the elevation angle of high level boreholes as 20°, 30° and 35°, the gas distribution in gob was simulated by Fluent, and the borehole drainage situation was analyzed when the included angle of drift hole was taken as 15°, 25°, 35°and 45°, with the elevation angle as 30°. The result showed that the extracting gas quantity was 2.12m3/min, which was the largest when the elevation angle was 30°and the included angle was 25°. The field test data showed that the elevation angle and the included angle were 30°and 27°separately. Both of the results were basically identical, which proved the correctness of numerical simulation.

参考文献/References:

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备注/Memo

备注/Memo:
国家自然科学基金项目（51174079）；高等学校博士学科点博导类专项科研基金项目（20104116110001）；教育部创新团队与发展计划项目（IRT1235）；河南省瓦斯地质与瓦斯治理重点实验室—省部共建国家重点实验室培育基地开放基金项目（WS2012A07）
更新日期/Last Update: 2014-07-30