金川硫化铜镍矿选矿工艺改造实践  

Technical Transformation and Productive Practice of Mineral Processing Flowsheet about Jinchuan Copper-Nickel Sulfide Ore

作　　者：丁良忠 代宗 贺志青 Ding Liangzhong;Dai Zong;He Zhiqing(Mineral Processing Plant of Jinchuan Group Co.,Ltd.,Jinchang,Gansu,China)

机构地区：[1]金川集团股份有限公司,甘肃金昌737100

出　　处：《矿产综合利用》2022年第1期168-172,共5页Multipurpose Utilization of Mineral Resources

摘　　要：金川某矿区硫化铜镍矿中氧化镁含量高,主要以蛇纹石为主。生产实践表明,在现有的工艺流程下,精矿氧化镁含量波动大,超标严重,尾矿金属品位高、损失大,严重影响选矿厂的经济效益。为提高生产指标,在流程考察基础上对现有的工艺流程进行技术改造。改造后生产结果表明,高精氧化镁含量小于6.8%,镍回收率提高至87%以上,铜回收率提高至79%左右,精矿品质和金属回收率都有较大提高,给选矿厂带来良好的经济效益。Content of MgO in Jinchuan copper-nickel sulfide ore is high,mainly serpentine.The production quota show that the content of MgO was fluctuates greatly in concentrate and exceeds the standard seriously,and the metal grade is high in tailings and the metal loss is large under the current technological process,which seriously affects the economic benefits of the concentrator.In order to improve the production target,the existing process flow was reformed on the basis of process investigation.The production results show that the content of MgO in high grade concentrate is less than 6.8%,the nickel recovery rate is increased to more than 87%,and the copper recovery rate is increased to about 79%after technical transformation.The concentrate quality and metal recovery rate are greatly improved,which brings good economic benefits to the concentrator.

关 键 词：金川硫化铜镍矿 选矿 技术改造 生产实践 

分 类 号：TD952[矿业工程—选矿]