峨口铁矿二磁精矿制备高品质铁精矿粉试验研究  

Preparation of High⁃Quality Iron Concentrate Powder by Refining Concentrate from Second⁃Stage Magnetic Separation Process of Ekou Iron Mine

作　　者：米子军[1] 罗良飞[2] 李宗蔚 钟志刚 MI Zijun;LUO Liangfei;LI Zongwei;ZHONG Zhigang(Mining Branch of Taiyuan Iron&Steel(Group)Co Ltd,Taiyuan 030027,Shanxi,China;Changsha Research Institute of Mining and Metallurgy Co Ltd,Changsha 410012,Hunan,China)

机构地区：[1]太原钢铁(集团)有限公司矿业分公司,山西太原030027 [2]长沙矿冶研究院有限责任公司,湖南长沙410012

出　　处：《矿冶工程》2023年第6期88-91,共4页Mining and Metallurgical Engineering

摘　　要：针对太钢峨口铁矿资源及生产现状,开展了二段磁选精矿提铁降杂试验研究,采用磨矿-弱磁选-反浮选流程,可获得产率76.33%、TFe品位69.93%、回收率93.08%、SiO_(2)含量1.63%的高品质铁精矿。In view of the resource characteristics and production status of Ekou Iron Mine of Taiyuan Iron&Steel(Group)Co Ltd,an experimental research was conducted to upgrade iron grade of the concentrate from the second-stage magnetic separation while reducing impurities therein.An optimized flowsheet consisting sequentially of grinding,low-intensity magnetic separation and reverse flotation was adopted in the experiment,resulting in a high-quality iron concentrate grading 69.93%TFe at a recovery of 93.08%,with a yield of 76.33%,while the SiO_(2) content was reduced to 1.63%.

关 键 词：铁精矿 脱硅 提铁降杂 磨矿 磁选 反浮选 

分 类 号：TD951[矿业工程—选矿]