贵州某褐铁矿可选性试验

现代矿业 ›› 2014, Vol. 30 ›› Issue (08): 40-41+44.

贵州某褐铁矿可选性试验

胡万明^1,2，朱亚光^1,2，王兵¹

1.贵州省地质矿产中心实验室；2.贵州省贵金属矿产资源综合利用工程技术研究中心

出版日期:2014-08-15 发布日期:2016-09-08

Beneficiation Tests on a Limonite in Guizhou Province

Hu Wanming^1,2，Zhu Yaguang^1,2，Wang Bing¹

1.Guizhou Center Laboratory of Geological & Mineral Resource；2.Guizhou Engineering Research Center for Comprehensive Utilization of Precious Metals Mineral Resources)

Online:2014-08-15 Published:2016-09-08

摘要/Abstract

摘要： 为确定贵州某褐铁矿的开发利用方案，进行了磁化焙烧—弱磁选工艺技术条件研究。结果表明，在煤粉添加量为8%、焙烧温度为850 ℃、焙烧时间为60 min、焙烧产物磨矿细度为 -0.074 mm占75%、弱磁选磁场强度为151.27 kA/m情况下，采用1粗1精1扫、中矿集中返回流程处理该矿石，可获得铁品位为61.14%、铁回收率为89.80%的铁精矿。

关键词: 褐铁矿, 磁化焙烧, 弱磁选

Abstract: Magnetic roasting, low intensity magnetic separation mineralogical research was conducted in order to find a suitable way to develop and utilize a limonite in Guizhou. The results show that with the 8% dosage of coal powder, roasted at 850 ℃ for 60 min, roasted products grinding at fineness of 75% passing 0.074 mm, with intensity of 151.27 kA/m for low intensity magnetic separation, through one roughing, one cleaning, one scavenging, middles back to the flowsheet in turn process, iron concentrate with iron grade of 61.14%, iron recovery of 89.80% was achieved.

Key words: Limonite, Magnetic roasting, Low intensity magnetic separation

胡万明, 朱亚光, 王兵. 贵州某褐铁矿可选性试验[J]. 现代矿业, 2014, 30(08): 40-41+44.

HU Wan-Ming, ZHU Ya-Guang, WANG Bing. Beneficiation Tests on a Limonite in Guizhou Province[J]. Modern Mining, 2014, 30(08): 40-41+44.

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