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| Gas Drainage Application in Recovery Working Face |
| SONG Yang-yang1，XING xiao-yang2 |
| 1. Dongpang Mine, Jizhong Energy Resources Corporation Ltd., Xingtai 054201, China； 2. Guiyang Branch Institute, Chongqing Huadi Engineering Exploring Design Institute, Guiyang 550000 , China |
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Abstract Abstract: According to Guizhou coal seam gas emission conditions and circumstances, through the arrangement of gas drainage roof lane, a reasonable layout of stope gas drainage system discharge channel was achieved. Making full use of coal lane, half coal lane as laying pipes gas discharge passage, emphasizing the use of coal gas, realized co- extraction of coal and gas.
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