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金属矿山 ›› 2009, Vol. 39 ›› Issue (09): 61-63+77.

• 矿物工程 • 上一篇    下一篇

吉林临江难选铁矿石焙烧磁选试验研究

高文义,张松波,印万忠,韩跃新   

  1. 东北大学
  • 出版日期:2009-09-15 发布日期:2011-04-26

Experimental Study on Roasting-magnetic Separation for Linjiang Refractory Iron Ore of Jilin

Gao Wenyi,Zhang Songbo,Yin Wanzhong,Han Yuexin   

  1. Northeastern University
  • Online:2009-09-15 Published:2011-04-26

摘要: 吉林临江羚羊铁矿石含赤铁矿、磁铁矿、褐铁矿和菱铁矿等含铁矿物,铁矿物组成和构造极为复杂,脉石矿物鲕绿泥石极易泥化,故该矿石是一种极为难选的铁矿石。通过对该矿石进行焙烧—磁选试验表明,在适宜的条件下,焙烧—磁选可以使精矿品位最高达到60.83%,尾矿品位27.60%,精矿回收率64.10%。该试验研究为吉林临江羚羊铁矿石的利用奠定了基础。  

关键词: 难选铁矿石, 焙烧&mdash, 磁选, 赤铁矿

Abstract: Lingyang iron ore of Jilin linjiang contains the hematite,magnetite,limonite and siderite,which has a complex Fe composition and structure.And the gangue mineral as chamosite was easy to be slimed.So this kind of ore is a refractory one.The experiments of roasting-magnetic separation for the iron ore showed that at a suitable condition,the Fe concentrate reached up to 60.83% at an iron recovery of 64.1% and Fe grade in tailing of 27.60% by the roasting-magnetic separation,thus laying a foundation for application of Lingyang iron ore in Jilin Linjiang.

Key words: Refractory iron ore, Roasting-magnetic separation, Hematite