中深孔不同阶微差爆破技术在大断面斜井掘进中的应用  

Application of Millisecond Blasting Technology of Different Order in Medium-deep Hole in Large Section Inclined Shaft Driving

作　　者：王青泉 WANG Qin - quan

机构地区：[1]中煤集团山西华昱能源公司,山西朔州036900

出　　处：《内蒙古煤炭经济》2019年第1期141-143,共3页Inner Mongolia Coal Economy

摘　　要：本文就提高炮眼利用率、加快掘进速度问题从炮眼布置、炮眼深度、装药结构、凿岩工艺等方面进行综合探讨。研究表明,合理布置炮眼、加大炮眼深度、运用不同阶微差爆破技术是获得良好爆破效果和提高掘进速度的关键。In this paper,the problem of increasing the utilization rate of cannon hole and speeding up the excavation speed is discussed comprehensively from the aspects of cannon hole arrangement,hole depth,charge structure,rock drilling technology and so on.The results show that it is the key to obtain good blasting effect and improve excavation speed to arrange the cannon hole reasonably,increase the depth of the cannon hole and use different order differential blasting technology.

关 键 词：中深孔 不同阶 微差爆破 快速掘进 

分 类 号：F406.3[经济管理—产业经济] TD235.33[矿业工程—矿井建设]