| 半自磨工艺顽石与介质高效分离试验研究 |
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| 引用本文： | 刘谊兵,朱宁.半自磨工艺顽石与介质高效分离试验研究[J].矿冶工程,2022,42(4):75-77. |
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| 作者姓名： | 刘谊兵 朱宁 |
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| 作者单位： | 1.兰州有色冶金设计研究院有限公司,甘肃 兰州 730000;
2.云南恩菲科技集团有限公司,云南 昆明 650000 |
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| 摘 要： | 针对半自磨工艺中的顽石问题,研发了半自磨排矿顽石与介质高效分离技术。利用等降比原理,采用跳汰重选工艺,在床层厚度250 mm、上升水压2 MPa条件下,成功实现了顽石与介质的高效分离。该工艺适用于磁性矿物以及非磁性矿物的半自磨工艺顽石与介质的分离,可达到回收矿产资源和创造经济价值的双重目的。
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| 关 键 词： | 半自磨 顽石 重选 跳汰 磨矿 介质 |
| 收稿时间： | 2022-01-12 |
Technology for High Efficiency Separation of Hard Rock and Medium in Semi-autogenous Grinding System |
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| LIU Yi-bing,ZHU Ning.Technology for High Efficiency Separation of Hard Rock and Medium in Semi-autogenous Grinding System[J].Mining and Metallurgical Engineering,2022,42(4):75-77. |
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| Authors: | LIU Yi-bing ZHU Ning |
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| Affiliation: | 1.Lanzhou Nonferrous Metallurgy Design and Research Institute Co Ltd, Lanzhou 730000, Gansu, China;
2.Yunnan Enfei Technology Group Co Ltd, Kunming 650000, Yunnan, China |
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| Abstract: | To reduce the influence of hard rock on grinding efficiency, a technology was developed to separate hard rock and milling medium discharged from a semi-autogenous grinding (SAG) system. Based on the equal settling ratio, hard rock and milling medium were efficiently separated from each other by adopting gravity separation by jigging, with the jig bed 250 mm in thickness and the upward water pressure of 2 MPa. This process is suitable for sorting the hard rock from the milling medium in a SAG system used to mill both magnetic and non-magnetic minerals. As a result, a dual purpose of recovering resources and creating economic benefit can be achieved for plants. |
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| Keywords: | semi-autogenous grinding (SAG) hard rock gravity concentration jigging grinding medium |
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