分段凿岩阶段矿房采矿法间顶柱回采实践  

Practice of stoping crown pillars made by block stoping method with sublevel drilling

作　　者：伍耀斌 孙述翔 刘正[2] 杨臣堂 

机构地区：[1]金诚信矿业管理股份有限公司 [2]山东黄金集团烟台设计研究工程有限公司 [3]洛阳坤宇矿业有限公司

出　　处：《黄金》2012年第10期30-32,共3页Gold

摘　　要：空场采矿法矿房回采完毕后,如何及时、安全、有效地回采矿柱一直以来都是采矿技术人员探索研究的问题。首云矿业公司结合分段凿岩阶段矿房采矿法矿房回采施工爆破经验,对间顶柱进行了回采。详述了间顶柱回采顺序、爆破方案及回采工艺特点。间顶柱回采实践表明:应用分段凿岩阶段矿房回采工艺回收间顶柱,作业条件安全,施工效率高,实际回收矿柱矿量30万t,取得了良好的经济及社会效益。It has been a research subject to timely, safely and effectively extract ore pillars after ore chambers are stoped in open stope mining. Based on blasting experiences in block stoping process of Shouyun Mining Company, crown pillars between mined-out chambers are stoped. The sequence of pillars to be stoped, blasting scheme and characteristics of stoping process are described in detail. The practice displays a safe, effective way to stope crown pillars in the block stoping method with sublevel drilling with 300,000 t of ore being extracted, achieving good social and eco- nomical benefits.

关 键 词：空场采矿法 分段凿岩 间顶柱 安全 回采 

分 类 号：TD853.32[矿业工程—金属矿开采]