CAJ | 학술논문

针对低透气性突出煤层瓦斯治理难题，试验研究了采用保护层开采和高压水射流钻割一体化为主的瓦斯抽采技术。本文介绍了回采工作面远程卸压保护预抽技术和高压水射流钻孔与切割试验情况和效果，煤层透气性系数显著增加，实现了瓦斯强化抽采，消除了煤层的突出危险性，在其他类似条件矿井具有推广应用价值。
침대저투기성돌출매층와사치리난제，시험연구료채용보호층개채화고압수사류찬할일체화위주적와사추채기술。본문개소료회채공작면원정사압보호예추기술화고압수사류찬공여절할시험정황화효과，매층투기성계수현저증가，실현료와사강화추채，소제료매층적돌출위험성，재기타유사조건광정구유추엄응용개치。
In view of the gas governance problems of low permeability outburst coal seam, this paper tested the gas extraction technology of the protective layer mining and the high-pressure water jet cutting, and introduced a remote working face pressure relief protection pre-pumping technology and high-pressure water jet cutting test and effect, which increased signiifcantly the coal seam permeability coefifcient, realized gas enhanced extraction, eliminated the outburst danger of coal seam, this technology has wide application value in the similar condition of coal mine.