Influence of particle size on the magnetism of magnetite and the development of an energy-efficient three-product magnetic separator

被引：5
|
作者：
Guo, Xiaofei [1 ]
Zhang, Mingrui [1 ]
Ren, Weijie [1 ]
Dai, Shujuan [1 ]
机构：
[1] Univ Sci & Technol Liaoning, Sch Min Engn, Anshan 114051, Liaoning, Peoples R China
来源：
SEPARATION SCIENCE AND TECHNOLOGY | 2021年 / 56卷 / 08期
关键词：
Magnetite; particle size; liberation; magnetism; three-product magnetic separator; FINES;
D O I：
10.1080/01496395.2020.1768119
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The magnetism of minerals plays an important role in magnetic agglomeration. In this paper, the relationship between the magnetism of magnetite ore and particle size was revealed by mineral liberation analyzer (MLA) and vibrating sample magnetometer (VSM) tests. With decreasing fineness, the specific susceptibility of the liberated magnetite decreased and its coercivity increased, and the difference in magnetism between liberated magnetite and rich interlocking particles decreased. Based on the above conclusion, a three-product magnetic separator with rotatable magnetic system, dispersed screen, and fluid drag was developed to simultaneously separate liberated magnetite and discard gangue minerals in a short process.
引用
收藏
页码：1397 / 1406
页数：10
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