里伍铜矿延伸工程贫化率产生原因及控制措施  

Causes and control measures of dilution rate in extension project of Li Wu copper mine

作　　者：唐学文[1] 

机构地区：[1]四川里伍铜业股份有限公司里伍铜矿,四川九龙626201

出　　处：《世界有色金属》2017年第19期145-147,共3页World Nonferrous Metals

摘　　要：降低开采贫化率,减少矿石运输、提升和加工费用是矿山开采过程中的重要工作。里伍铜矿为了进一步提高选矿厂入选矿石品位,提高矿产资源的开发利用水平和效率,企业针对延伸工程矿石回采贫化率高的问题,采取了有效的技术、管理措施,降低了延伸工程采矿贫化率,为企业带来了较好的经济效益。Reducing mining dilution rate and reducing ore transportation, promotion and processing cost are important work in mining process. Liwu copper deposit in order to further improve the concentrator ore grade, improve the level of development and utilization of mineral resources and the efficiency of the enterprise, to solve the problem of high extension engineering ore mining dilution rate, take technical measures effectively, reduce the extension project of the mining dilution rate, bring good economic benefits for the enterprise.

关 键 词：延伸工程 贫化率 储量分块 保安矿柱 分层回采 锚杆护顶 

分 类 号：TD862.1[矿业工程—金属矿开采]