Observation of Pressure-relief Gas Drift and Comprehensive Gas Control in Fully Mechanized Caving Face

机译：综放工作面卸压瓦斯漂移及综合瓦斯治理的观察

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The distribution of pressure-relief gas in the underground mine was observed and the composition of gas outflow in fully mechanized caving face,roof caving of the upper comer and the change of gas outflow in the strike high-level suction roadway were statistically analyzed.According to the result,thescientific principle for the success of comprehensive technology of“U+I”style ventilation and strike high-level suction roadway plus the gas drainage roadwayduring initial mining is that the pressure-relief gas has double characters:gas-diffusion and drift.

机译：观察了地下矿井中卸压瓦斯的分布情况，统计分析了综放工作面瓦斯涌出的组成，上角顶板冒顶及走向高空抽水巷道瓦斯涌出的变化。综上所述，“ U + I”型通风走高吸力巷道与瓦斯抽放巷道综合技术成功的科学原理是，泄压气具有扩散和漂移双重特征。。

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来源
《Proceedings of 2007 International Symposium on Coal Gas Control Technology》|2007年|156-161|共6页
会议地点 Huainan(CN)
作者
ZHANG Haixia; rnDONG Xiucheng;
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作者单位

LIU Yanbin@Yangquan Coal Industry (Group) CO.,LTD,Yangquan 045000,Shanxi,China--;

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会议组织
原文格式 PDF
正文语种 eng
中图分类煤及油页岩地下气化;
关键词
Yangquan; fully mechanized coal Face; coal gas; drift; control;

机译：阳泉;综采工作面;煤气;漂移;控制;

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Observation of Pressure-relief Gas Drift and Comprehensive Gas Control in Fully Mechanized Caving Face

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