摘要
随着高瓦斯矿井开采的不断发展,多条工作面巷道布置已满足不了提高回采率的要求,沁秀公司岳城煤矿首次采用回采留巷工作面布置方法,有效提高了采区回采率,取得了较好的效果。
With the continuous development of gas mine mining, more and more roadway layout hasn＇t meet the requirement of recovery rate,it adopt winning left lane working face layout method in Yuecheng Coal Mine of Qinxiu Company for the first time, the effective recovery rate is improved,it have been achieved good results.
出处
《煤》
2014年第7期16-17,47,共3页
Coal
关键词
回采留巷
回采率
岳城煤矿
winning left lane
coal mine
application
