| 山东某褐铁矿磁化焙烧-磁选试验研究 |
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| 引用本文： | 孙朋,胡宜斌.山东某褐铁矿磁化焙烧-磁选试验研究[J].矿冶工程,2019,39(2):61-64. |
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| 作者姓名： | 孙朋 胡宜斌 |
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| 作者单位： | 酒泉钢铁集团公司,甘肃 嘉峪关,735100;长沙矿冶研究院有限责任公司,湖南 长沙,410012 |
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| 摘 要： | 对山东某褐铁矿进行了磁化焙烧-磁选试验。在工艺矿物学研究的基础上, 对该矿进行了不同粒度预选试验和焙烧、磁选分选试验, 并进行了多流程对比试验; 开发出了适合该矿的选矿工艺流程, 在原矿TFe品位31.31%条件下, 采用预选-焙烧-弱磁选-磨矿-弱磁选工艺, 取得了精矿产率49.69%、TFe品位59.48%、回收率94.40%的指标。
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| 关 键 词： | 褐铁矿 磁化焙烧 磁选 预选 磨矿 |
| 收稿时间： | 2018-09-13 |
Magnetizing Roasting-Magnetic Separation Technology for a Shandong Limonite Ore |
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| SUN Peng,HU Yi-bin.Magnetizing Roasting-Magnetic Separation Technology for a Shandong Limonite Ore[J].Mining and Metallurgical Engineering,2019,39(2):61-64. |
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| Authors: | SUN Peng HU Yi-bin |
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| Affiliation: | 1.JISCO, Jiayuguan 735100, Gansu, China;
2.Changsha Research Institute of Mining & Metallurgy Co Ltd, Changsha 410012, Hunan, China |
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| Abstract: | A limonite ore from Shandong Province with TFe grade of 31.31% was beneficiated using a magnetizing roasting-magnetic separation flowsheet. Based on process mineralogy study, preconcentration, roasting and magnetic separation tests were conducted to treat samples with different feed size. According to the comparison tests with multiple processes, a technical flowsheet was proposed for processing this limonite ore. With this preconcentration-roasting-low intensity magnetic separation-grinding-low intensity magnetic separation process, an iron concentrate grading 59.48%TFe at 94.40% recovery was obtained with the yield of 49.69%. |
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| Keywords: | limonite magnetizing roasting magnetic separation pre-concentration grinding |
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