【摘要】 为了解决工作面的瓦斯问题,探讨了如何在"三软"厚煤层综采工作面实现矿井生产的高产高效,并对超化矿在21071综采工作面采用"高抽巷"瓦斯抽放技术做了介绍,指出"高抽巷"抽放采空区瓦斯是解决治理"三软"厚煤层高瓦斯综采放顶煤工作面采空区瓦斯问题的有效手段。更多还原

【Abstract】 To solve the gas problem of working face,it discusses how to make the high production and high efficiency of well production in the combined coal cutting working face of three-soft thick coal seam come true,introduces the chaohua coal mine get the high pumping tunnel gas sucking technique in 21071 combined coal cutting working face,and points out that it is the effective ways of high pumping tunnel sucking the gas of gob to solve the problems of high gas combined coal cutting working face gob of three-soft thick coal seam.更多还原