Gas Drainage Technology of High Gas and Thick Coal Seam
Journal of coal science & engineering, China/Journal of Coal Science & Engineering (China)(2009)
摘要
Gas drainage in Jincheng Mining Group Co., Ltd. was introduced briefly and the importance of gas drainage in gas control was analyzed. Combined with coal-bed gas occurrence and gas emission, the double system of gas drainage was optimized and a progressive gas drainage model was experimented on. For guaranteed drainage, excavation and mining and realization of safety production and reasonable exploitation of gas in coal seams, many drainage methods were adopted to solve the gas problem of the working face.
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关键词
gas drainage,thick coal seam
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