大孔径钻孔炮眼法二次爆破大块岩石技术在神山露天煤矿的应用  

The Application of Large Rock Blasting in Shenshan Open-pit Coal Mine

作　　者：吴明福 WU Mingfu(Shaanxi Shenyan Coal Limited Liability Company West Bay Open Pit Coal Mine,Yulin Shaanxi 719000)

机构地区：[1]陕西神延煤炭有限责任公司西湾露天煤矿

出　　处：《河南科技》2018年第25期87-89,共3页Henan Science and Technology

摘　　要：为了解决大块岩石爆破效率低、 成本高等问题, 提高露天煤矿爆破岩石的效率, 推进工作面的施工,神山露天煤矿爆破技术人员探索出了一套大孔径炮眼法二次爆破大块岩石的技术.实践证明, 该技术不仅取得了良好的爆破效果, 而且提高了大块破碎效率与经济效益.In order to solve the problems of low blasting efficiency and high cost of large rock, and improve the blast- ing efficiency of open-pit coal mine and promote the construction of working face, the blasting technicians of Shen- shan Open-pit Coal Mine had explored a set of large borehole blasting technology for large rock. Practice proved that this technology not only achieved good blasting effect, but also improved the efficiency and economic benefit of large block crashing.

关 键 词：大孔径钻孔炮眼法 二次爆破 大块岩石 

分 类 号：TD235.4[矿业工程—矿井建设]