铁鳞制取还原铁粉试验  

Preparation of reduce iron powder test by the iron scale

作　　者：沈进杰[1,2] 孙炳泉 高春庆[1,2] Shen Jinjie;Sun Binquan;Gao Chunqing(Mineral Processing and Automation Research Institute,Sinosteel Maanshan Institute of Mining Research Co.,Ltd, Maanshan 243000,China;Huawei National Engineering Research Center of High Efficiency Cyclic Utilization of Meta Mineral Resources Co.,Ltd,Maanshan 243000,China)

机构地区：[1]中钢集团马鞍山矿山研究院有限公司选矿及自动化研究所,安徽马鞍山243000 [2]华唯金属矿产资源高效循环利用国家工程研究中心有限公司,安徽马鞍山243000

出　　处：《材料与冶金学报》2018年第3期198-203,221,共7页Journal of Materials and Metallurgy

摘　　要：在对铁鳞进行物化性质研究及分选、还原工艺参数试验的基础上,采用磨矿—筛分—粗粒级一次还原—破碎—干式磁选—磨矿—干式磁选—二次还原—解碎工艺,最终获得还原铁粉产率41. 28%,铁品位98. 35%,回收率54. 26%的指标.产品的物理、化学及工艺性能指标达到粉末冶金用还原铁粉质量标准之FHY80·25牌号的要求.Based on the physical and chemical properties of the iron scale,as well as benefication and reduction test parameters.A reduce iron powder was obtained through a series of treatment such as grinding,screening and etc.The iron grade is 98.35%,the recovery ratio is 54.26%and the yield ratio is 41.28%.The physical,chemical and technological properties of the product meet the FHY80·25 requirements for the quality standards for reduce iron powder in the powder metallurgy.

关 键 词：铁鳞 海绵铁 还原铁粉 一次还原 二次还原 

分 类 号：TF123[冶金工程—粉末冶金]