四川某铁精矿回收超纯铁精矿的选矿实验研究  

Experimental Study on Recovery of Super Pure Iron Concentrate from an Iron Concentrate in Sichuan

作　　者：何婷 余新文 杨晓军 喻福涛 刘志刚 He Ting;Yu Xinwen;Yang Xiaojun;Yu Futao;Liu Zhigang(Chengdu Analytical&Testing Center,Sichuan Bureau of Geology&Mineral Resources(Chengdu Mineral Resources Supervision and Testing Center,Ministry of Land and Resources),Evaluation and Utilization of Strategic Rare Metals and Rare Earth Resource Key Laboratory of Sichuan Province,Chengdu,Sichuan,China)

机构地区：[1]四川省地质矿产勘查开发局成都综合岩矿测试中心(国土资源部成都矿产资源监督检测中心),稀有稀土战略资源评价与利用四川省重点实验室,四川成都610081

出　　处：《矿产综合利用》2022年第5期169-174,共6页Multipurpose Utilization of Mineral Resources

摘　　要：四川某铁精矿中TFe品位为64.56%,杂质成分SiO_(2)、Al_(2)O_(3)含量分别为5.50%和2.01%。物质组分研究表明,铁矿物主要以磁性铁形式存在,采用“阶段磨矿(再磨过程添加分散剂H01)-阶段磁选”工艺对该铁精矿进行提质降杂实验,实验可获得TFe品位为72.11%的超纯铁精矿产品,精矿中杂质成分SiO_(2)含量为0.20%,Al_(2)O_(3)的含量为0.16%,酸不溶物的含量为0.28%,TFe的回收率为92.72%。The iron grade of a iron concentrate in Sichuan is 64.56%,and the content of SiO_(2) and Al_(2)O_(3) is 5.50%and 2.01%respectively.Material composition research shows that iron minerals are mainly in the form of magnetic iron.The process of stage grinding and magnetic separation which added dispersant H01 in regrinding is carried out to increase iron grade and reduce silicon content.Finally,the super iron concentrate with iron grade 72.11%,SiO_(2) content 0.20%,Al_(2)O_(3) content 0.16%,acid insoluble content 0.28%,and the iron recovery is 92.72%.

关 键 词：铁精矿 阶段磨矿 分散剂 阶段磁选 超纯铁精矿 

分 类 号：TD951[矿业工程—选矿]