某金矿深部矿体采矿方法优选  

Optimization of Mining Methods for Deep Orebody in a Gold Mine

作　　者：孙书彬 江国建 陆宇超 钟生元 SUN Shubin;JIANG Guojian;LU Yuchao;ZHONG Shengyuan(Dayingezhuang Gold Mine of Zhaojin Mining Co.,Ltd.;Changsha Institute of Mining Research Co.,Ltd.;National Engineering Research Center for Metal Mining)

机构地区：[1]招金矿业股份有限公司大尹格庄金矿 [2]长沙矿山研究院有限责任公司 [3]国家金属采矿工程技术研究中心

出　　处：《现代矿业》2024年第5期40-44,共5页Modern Mining

摘　　要：某金矿2#矿体采用上向水平废石充填采矿法,开采过程中预留大量顶柱和间柱,造成资源浪费。为提升矿产资源回收率,提出了上向水平点柱式非胶结充填法、上向水平分层与进路胶结联合充填采矿法以及预控顶分段嗣后充填法,并对比了不同采矿方法的经济技术指标,得出预控顶分段嗣后充填法明显优于另外2种方案。在矿山的实际应用中,试验采场可为矿山带来经济效益2 871.27万元,2^(#)矿体深部矿石多回收的资源量价值高达3.67亿元,该方法为相似条件的深井矿床开采提供参考。The upward horizontal waste rock filling mining method originally is adopted for the 2#orebody of a gold mine,a large number of top and intercolumn are reserved in the mining process,resulting in a waste of resources.In order to improve the recovery rate of mineral resources,the upward horizontal point column unconsolidated filling method,the upward horizontal stratification combined filling method with approach consolidation and the pre-controlled roof sublevel subsequent filling method are proposed.The economic and technical indexes of different mining methods are compared,and the pre-controlled roof sublevel subsequent filling method is obviously superior to the other two schemes.In the practical applica⁃tion of the mine,the test stope can bring economic benefits of 28712700 yuan to the mine,and the value of additional resources recovered from the deep ore of the 2#orebody is up to 367 million yuan,which provides a reference for the mining of deep well deposits under similar conditions.

关 键 词：深部开采 采矿方法优选 预控顶分段嗣后充填法 

分 类 号：TD863[矿业工程—金属矿开采]