摘要
通过合理设计,在综采放顶煤工作面开切眼、两巷布置初次放顶炮眼,对工作面顶板采取超前预爆破放顶技术,解决了滞后爆破带来的安全等问题,实现了安全高效回采。
The first time designing that the spirit readjusts oneself to a certain extent top coal face Kaiqie eyes, two alley arrangement in the heddle by reasonableness put in the top porthole, the roof has adopted advance on face exploding in advance putting in the top technology , has resolved lagging detonating the safety bringing about waiting for a problem, has realized safe high-effect backstoping.
出处
《煤炭科技》
2007年第1期72-73,共2页
Coal Science & Technology Magazine
关键词
综放开采工作面
坚硬顶板
超前放顶技术
fully Mechanized caving faces
hard roof
advance caving technology
