【摘要】 在研究区煤层瓦斯地质条件研究基础上,根据卸压瓦斯抽放技术的原理及方法,以平顶山矿区三个严重突出矿井综采工作面为例,进行不同瓦斯抽放方式的应用研究,结果表明:卸压瓦斯抽放技术在提高低透气性煤层瓦斯抽放率上发挥重要作用,为进一步提高低透气性煤层瓦斯抽放率及综采工作面瓦斯防治技术提供了经验。更多还原

【Abstract】 Based on the study of gas geologic conditions of coal seams in the studied area and according to the drainage technique and method for relief gas, application research of different gas drainage methods were conducted in the fully mechanized coal faces in three mines in Pingdingshan Coal Mining Area which have serious outburst hazard. Research results showed that the drainage technique for relief gas plays role in improving the drainage rate of seams with low gas permeability and provides experience for further improving the drainage rate of seams with low gas permeability and the gas control in fully mechanized faces.更多还原