| 安徽某铁矿外磁预选试验研究 |
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| 引用本文： | 丁明辉.安徽某铁矿外磁预选试验研究[J].铜业工程,2020(2):17-20. |
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| 作者姓名： | 丁明辉 |
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| 作者单位： | 1.中国黄金集团建设有限公司 |
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| 摘 要： | 矿石入磨前预选抛尾是降低选矿厂生产成本的有效途径。针对安徽某铁矿进行了新型外磁磁选机预选抛废试验,可实现抛废率16.8%~25.6%,精矿TFe提升幅度6~9个百分点,尾品TFe≤9.85%、mFe≤0.65%、Cu-0.1%,Fe回收率≥93%。试验结果为外磁式磁选机作为磨前预选设备提供了技术依据。
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| 关 键 词： | 磨前预选 能抛早抛 外磁磁选机 磁场强度 铁矿 |
| 收稿时间： | 2019/12/12 0:00:00 |
Pre-concentration Experimental Study on External-magnetic Magnetic Separation Technique of Iron Ore in Anhui |
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| DING Ming-hui.Pre-concentration Experimental Study on External-magnetic Magnetic Separation Technique of Iron Ore in Anhui[J].Copper Engineering,2020(2):17-20. |
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| Authors: | DING Ming-hui |
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| Affiliation: | (China Gold Group Construction Co.,Ltd.,Beijing 100012,China) |
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| Abstract: | Pre-concentration before grinding is an effective way to reduce the production cost of concentrator. We carry out the experimental study of external-magnetic separation for an iron ore in Anhui province. The result shows that the discard rate is 16.8% ~25.6%, TFe in iron concentrate increase 6%~9%, TFe in tailing is less than 9.85%, MFe in tailing is less than 0.65%, Cu grade is 0.1%,Fe recovery is greater than 93%. Test results provide the technical basis for the external-magnetic separator which is applied on the preconcentration before grinding. |
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| Keywords: | pre-concentration before grinding throw as early as possible external magnetic separator magnetic field intensity iron ore |
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