| 西北某难选铁矿石选矿试验 |
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| 引用本文： | 苗梁,李国栋,姜永智,陈杜娟. 西北某难选铁矿石选矿试验[J]. 金属矿山, 2013, 43(3): 73-76 |
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| 作者姓名： | 苗梁 李国栋 姜永智 陈杜娟 |
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| 作者单位： | 1.西北矿冶研究院；2.北京科技大学土木与环境工程学院 |
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| 摘 要： | 西北某难选铁矿石中主要铁矿物为磁铁矿和镜铁矿，其中磁铁矿与镜铁矿、镜铁矿与石英嵌布关系密切。对该矿石进行了磨选工艺技术条件研究，结果表明，采用磨矿-1粗1精弱磁选-强磁粗选-强磁粗精矿再磨-强磁精选流程处理，可以获得铁品位为66.39%、回收率为40.94%的弱磁精矿和铁品位为63.41%、回收率为37.27%的强磁精矿，综合精矿铁品位为64.95%、回收率为78.21%。
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| 关 键 词： | 磁铁矿 镜铁矿 弱磁选 强磁选 |
Experimental Research on Beneficiation of a Refractory Iron Ore at Northwest of China |
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| Miao Liang , Li Guodong , Jiang Yongzhi , Chen Dujuan. Experimental Research on Beneficiation of a Refractory Iron Ore at Northwest of China[J]. Metal Mine, 2013, 43(3): 73-76 |
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| Authors: | Miao Liang Li Guodong Jiang Yongzhi Chen Dujuan |
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| Affiliation: | 1.Northwest Research Institute of Mining &Metallurgy；2. School of Civil and Environmental Engineering，University of Science and Technology Beijing; |
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| Abstract: | There are mainly magnetite and specularite in a refractory iron ore at northwest of China, among which magnetite and specularite, specularite and quartz have a closely disseminated relationship. The technical conditioning tests for grinding and concentration of the ore are carried out. The results showed that low intensity magnetic concentrate with Fe grade of 66.39% and recovery of 40.94% and high intensiy magnetic concentrate with Fe grade of 63.41% and Fe recovery of 37.27% were obtained by the process of grinding-low intensity magnetic separation with one roughing and one cleaning-rough high intensity magnetic separation-regrinding of rough concentrate-cleaning concentration with high intensity magnetic separation. Total Fe concentrate is grading at 64.95% with the recovery of 78.21%. |
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| Keywords: | Magnetite Specularite Low intensity magnetic separation High intensity magnetic separation |
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