低透气性煤层增透技术与装备试验研究  

Permeability Improvement Technology and Equipment Test of Low Permeability Coal Seams

作　　者：宋佳林 SONG Jialin(Shenyang Research Institute,China Coal Technology and Engineering Group,Fushun 113122,Liaoning,China;State Key Laboratory of Coal Safety Technology,Fushun 113122,Liaoning,China)

机构地区：[1]中煤科工集团沈阳研究院有限公司,辽宁抚顺113122 [2]煤矿安全技术国家重点实验室,辽宁抚顺113122

出　　处：《能源与节能》2022年第6期24-25,39,共3页Energy and Energy Conservation

摘　　要：分析了低透气性煤层增透技术原理及低透气性煤层增透装备,针对低透气性煤层瓦斯抽采效率低、钻孔施工量大等问题,提出了高压空气爆破增透工艺并研究了其应用。通过应用该技术,瓦斯抽采量和煤层透气性系数都有了显著提高,达到了增大煤层透气性、提高瓦斯抽采效率的目的。This paper analyzed the principle of permeability improvement technology and permeability improvement equipment of low permeability coal seams. Aiming at the problems of low gas drainage efficiency and large amount of drilling construction of low permeability coal seams, it put forward the high-pressure air blasting permeability improvement technology, studied its application. Through the application of this technology, the gas drainage volume and coal seam permeability coefficient have been significantly improved, so as to increase the coal seam permeability and improve the gas drainage efficiency.

关 键 词：低透气性煤层 瓦斯抽采 增透技术 衰减 透气性系数 

分 类 号：TD712.6[矿业工程—矿井通风与安全]