抚顺东露天矿降低油页岩富矿尾矿率方法  

Reducing tailings rate methods of oil shale rich ore in Fushun East Open-pit Mine

作　　者：李念源 姜汉磊 黄金龙 闫岽 霍明亮 LI Nianyuan;Jiang Hanlei;Huang Jinlong;YAN Dong;HUO Mingliang(East Open-pit Mine,Fushun Mining Group,Fushun 113003,China)

机构地区：[1]抚顺矿业集团东露天矿,辽宁抚顺113003

出　　处：《露天采矿技术》2020年第1期64-67,共4页Opencast Mining Technology

摘　　要：针对抚顺东露天矿采出油页岩富矿尾矿率增大技术难题,通过现场标定、写实,分析出油页岩富矿尾矿率增大的原因,通过合理控制铁道线路移设步距,优化采场穿孔、爆破方案等工程、工艺措施,解决了油页岩富矿尾矿率偏大这一技术难题,取得了较好的技术经济成果。In view of the technical problem of increasing tailings rate of rich oil shale ores in Fushun East Open-pit Mine, we analyze the reasons for increasing tailings rate of rich oil shale ores through on-site calibration and realism. Through reasonable control of railway line moving distance, we optimize the engineering and technological measures such as stope perforation and blasting scheme, which solve the technical problem of high tailings rate of rich oil shale ore, and achieve good technical and economic results.

关 键 词：移设步距 压渣爆破 钻孔超深 布孔参数 装药结构 空气柱 分段装药 

分 类 号：TD854.2[矿业工程—金属矿开采]