山东煤炭科技
山東煤炭科技
산동매탄과기
Shandong Coal Science and Technology
2015年
10期
50-51
,共2页
高瓦斯%掘进%深长钻孔%掩护抽放
高瓦斯%掘進%深長鑽孔%掩護抽放
고와사%굴진%심장찬공%엄호추방
high gas%drainage%deep drilling%short distance drainage
岳城煤矿在掘进巷道进行深长钻孔掩护抽放技术探索,经过2年多的应用实践,取得了较好效果,掘进顺槽取得了单掘进尺480 m以上的应用成果,解决了高瓦斯矿井单掘效率低的问题,为高瓦斯矿井掘进巷道瓦斯治理积累了宝贵的经验.
嶽城煤礦在掘進巷道進行深長鑽孔掩護抽放技術探索,經過2年多的應用實踐,取得瞭較好效果,掘進順槽取得瞭單掘進呎480 m以上的應用成果,解決瞭高瓦斯礦井單掘效率低的問題,為高瓦斯礦井掘進巷道瓦斯治理積纍瞭寶貴的經驗.
악성매광재굴진항도진행심장찬공엄호추방기술탐색,경과2년다적응용실천,취득료교호효과,굴진순조취득료단굴진척480 m이상적응용성과,해결료고와사광정단굴효솔저적문제,위고와사광정굴진항도와사치리적루료보귀적경험.
Yuecheng coal mine explore the deep drilling shield drainage technology in heading, by practiced for more than two years, the technology achieved good effect, achieved the effect that the excavation footage is more than 480m per month, solved the low efficiency problem in high gas mine, accumulated valuable experience for the gas governance of high gas coal mine during excavating.
