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《Coal Technology》 2018-01
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Optimization of Gas Control Measures in Mining Period of Fully Mechanized Caving Face in Hard Roof

SHI Wei-zhan;ZHANG Feng;Kuangou Coal Mine,Shenhua Xinjiang Tianshan Power Mines Co.,Ltd.;National Key Laboratory of Gas Disaster Detecting,Preventing and Emergency Controlling;Chongqing Research Institute Co.,Ltd.,China Coal Technology and Engineering Group;  
The main problems and causes of gas control during the mining of I010202 face are analyzed.According to the actual situation of the working face,the gas control measures of the working face are optimized,and the length of the working area is 6 m and 50 m in the upper corner and the process road respectively.Distance combination of high drilling measures,combined with the upper corner of the cannula drainage to solve the workplace gas concentration increases,or even overrun problems.
【Fund】: 重庆研究院青年重点资助基金项目(2013QNJJ35)
【CateGory Index】: TD712.6
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