| 难选赤褐铁矿焙烧-磁选试验研究 |
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| 引用本文： | 张汉泉,任亚峰,管俊芳.难选赤褐铁矿焙烧-磁选试验研究[J].中国矿业,2006,15(5):44-48. |
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| 作者姓名： | 张汉泉 任亚峰 管俊芳 |
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| 作者单位： | 武汉理工大学资源与环境工程学院·武汉,430070 |
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| 摘 要： | 对某含铁品位为45％、磁性率（FeO／TFe）为2．7％的难选赤褐铁矿矿石进行了选矿试验研究，考查了该矿石的矿物工艺学和磨矿特性，重点研究了强磁选、还原焙烧-磁选分选情况，确定还原焙烧-磁选可以获得较好的选别指标为：精矿铁品位达60％以上，产率达85％以上，铁回收率90％以上，尾矿铁品位下降到15％以下。
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| 关 键 词： | 难选赤褐铁矿 矿物工艺学 强磁选 磁化焙烧 |
| 文章编号： | 1004-4051(2006)05-0044-05 |
| 收稿时间： | 2005-11-03 |
| 修稿时间： | 2005年11月3日 |
EXPERIMENTAL STUDY ON MAGNETIC ROASTING-SEPARATION OF REFRACTORY HEMATITE LIMONITE |
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| Zhang Hanquan,Ren Yafeng,Guan Junfang.EXPERIMENTAL STUDY ON MAGNETIC ROASTING-SEPARATION OF REFRACTORY HEMATITE LIMONITE[J].China Mining Magazine,2006,15(5):44-48. |
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| Authors: | Zhang Hanquan Ren Yafeng Guan Junfang |
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| Affiliation: | School of Resource and Environment Engineering, Wuhan University of Technology , Wuhan 430070 |
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| Abstract: | In this paper,test of mineral processing were finished on the refractory hematite limonite of Shanxi with iron content about 45%,rate of magnetism(FeO/TFe) about 2.7%.Grindability and technique of mineralogy of this iron ore were described.The major study were put attention on efficiency of magnetic separation at high intensity and reducing roasting-magnetic separation.Tests of reducing roasting-magnetic separation could attained good results as: concentrate iron grade be about to 60%,productivity above 85%,recovery of iron above 90%,iron grade of tails under 15%. |
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| Keywords: | Refractory hematite limonite Technique of mineralogy Magnetic separation at high intensity Magnetization roasting |
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