Comparison of various forces acting on magnetic particles in a low-intensity magnetic field: A 3D FEA

TY - JOUR

T1 - Comparison of various forces acting on magnetic particles in a low-intensity magnetic field

T2 - A 3D FEA

AU - Xia, Jun

AU - Lei, Zhongyun

AU - Jiang, Kaixi

AU - Wang, Qian

AU - Ku, Jiangang

AU - Yan, Quanxiang

N1 - Publisher Copyright: © 2022

PY - 2022/3

Y1 - 2022/3

N2 - Magnetic agglomeration plays a vital role in enhancing the separation of fine magnetic mineral particles. However, the forces causing magnetic agglomeration in wet low-intensity magnetic separators (LIMS) are poorly understood; this calls for improved understanding of various forces (including magnetic force (Fm), magnetic agglomeration force (Fmm), gravity (G)) acting on magnetic particles in the LIMS. In this study, a 3D low-intensity magnetic field (LIMF) with uniform gradient was simulated, and the different forces acting on magnetic particles were calculated in the form of Fmm/Fm and Fmm/G by finite element analysis (FEA). Results show that magnetic agglomeration force has a significant competitive effect on magnetic separation. However, there are still some methods to weaken the effect of magnetic agglomeration force. This study not only provides theoretical guidance for the innovative development of LIMS, but also opens a new perspective for the recovery of strong magnetic minerals from ore resources.

AB - Magnetic agglomeration plays a vital role in enhancing the separation of fine magnetic mineral particles. However, the forces causing magnetic agglomeration in wet low-intensity magnetic separators (LIMS) are poorly understood; this calls for improved understanding of various forces (including magnetic force (Fm), magnetic agglomeration force (Fmm), gravity (G)) acting on magnetic particles in the LIMS. In this study, a 3D low-intensity magnetic field (LIMF) with uniform gradient was simulated, and the different forces acting on magnetic particles were calculated in the form of Fmm/Fm and Fmm/G by finite element analysis (FEA). Results show that magnetic agglomeration force has a significant competitive effect on magnetic separation. However, there are still some methods to weaken the effect of magnetic agglomeration force. This study not only provides theoretical guidance for the innovative development of LIMS, but also opens a new perspective for the recovery of strong magnetic minerals from ore resources.

KW - FEA

KW - LIMS

KW - Magnetic agglomeration

KW - Magnetic force

KW - Magnetic particle

UR - http://www.scopus.com/inward/record.url?scp=85127651599&partnerID=8YFLogxK

U2 - 10.1016/j.powtec.2022.117351

DO - 10.1016/j.powtec.2022.117351

M3 - 文章

AN - SCOPUS:85127651599

SN - 0032-5910

VL - 401

JO - Powder Technology

JF - Powder Technology

M1 - 117351

ER -