南泥湖露天矿台阶爆破拒爆事故调查与分析  

SURVEY AND ANALYSIS OF MISFIRE ACCIDENTS IN NANNIHU OPEN PIT BENCH BLASTING

作　　者：李晓虎[1,2] 贾海波 薛延河 王学进 常根召 陈俊杰 彭立 

机构地区：[1]葛洲坝易普力股份有限公司,重庆400023 [2]武汉理工大学资源与环境工程学院,武汉430070 [3]河南省前进化工科技集团股份有限公司,河南洛阳471600

出　　处：《工程爆破》2013年第3期46-49,共4页Engineering Blasting

摘　　要：南泥湖露天钼矿采剥工程中的深孔台阶爆破,出现多起炮孔拒爆事故。通过对现场拒爆孔进行处理分析,以及对孔内残留炸药和雷管进行实验分析,初步总结出可能产生拒爆事故的多种原因。结果表明,引起炮孔拒爆的具体原因主要有爆破器材的质量问题以及炮孔装药技术存在缺陷等,并提出相应的解决措施,以避免拒爆事故的再次发生,保证矿山作业的安全。Several misfire accidents in the deep-hole blasting took place during the opencast mining in Nannihu open-pit molybdenum mine.The misfire holes were tested and analyzed,and a variety of reasons were preliminarily summed up.The results showed the main reasons of misfire included the quality problem of blasting equipments,the defects of charging technology and so on.The corresponding solutions were proposed to avoid more misfire accidents and ensure the safety of mining operations.

关 键 词：露天矿 台阶爆破 拒爆原因 实验分析 

分 类 号：TD235.45[矿业工程—矿井建设]