露天磷矿矿石贫化损失影响因素及改进措施研究  

Study on influencing factors and improvement measures of ore dilution loss in open-pit phosphate mine

作　　者：和丽芳 HE Lifang(Yunnan Phosphate Chemical Engineering Construction Co.,Ltd.,Kunming Yunnan 650612,China)

机构地区：[1]云南磷化集团工程建设有限公司,云南昆明650612

出　　处：《化工矿物与加工》2019年第8期5-9,共5页Industrial Minerals & Processing

摘　　要：随着矿山的大规模开采,地质储量日益减少,矿石品位不断降低。降低矿石贫化损失,可有效提高矿石回收率。为了充分利用资源,分析了昆阳磷矿、晋宁磷矿和尖山磷矿的地质、采剥、设备、爆破等现状,结合实际情况,对影响矿石贫化损失的多种因素进行了分析,以技改促生产,达到降低矿石贫化损失的目的。并建议采用新设备、新采矿方法回收残矿、难选矿,充分利用区域矿产拓展矿石的利用率,实现资源综合利用。With the large-scale mining of phosphate deposits,the geological reserves are reducing and the ore grade is decreasing.Reducing the loss of ore dilution can effectively increase the ore recovery.In order to make full use of resources,the present situation of geology,mining,stripping,equipment and blasting of Kunyang,Jinning and Jianshan Phosphate Mines are analyzed.Based on the actual situation,the factors affecting ore dilution loss are analyzed,so as to promote production by technological transformation and reduce ore dilution loss.New equipment and new mining methods are adopted to recover residual ore and refractory ore,and the regional mineral resources are fully utilized to expand the utilization rate of ore,realizing the comprehensive utilization of resources.

关 键 词：矿石贫损 穿爆控制 挖掘设备 区域矿产 综合利用 

分 类 号：TD871[矿业工程—非金属矿开采]