关键词: 选矿, 数值试验, 流场特征, 磁场特征, 颗粒运动行为

Abstract: Presently the experimental research of beneficiation is still carried out in laboratory,which will always cost many labors,materials and time.The computational numerical simulation is carried out without experimental equipment and repeated trials and can avoid the disturbance influence,so as to becomes gradually an effect approach to scientific research by its advantage above mentioned.In the field of mineral processing,many numerical simulation methods including Computational Fluid Dynamics,Discrete Element Method and the coupled method of CFD-DEM,are utilized broadly in the simulation of single phase flow and multiphase flow in separation field.Based on the development situation of experimental and numerical simulation of beneficiation research,the necessity of exploring numerical experimental research on beneficiation was analyzed in order to provide references for researchers working on numerical expeniment,furthermore the significant problems were discussed in details,including numerical simulations of flow field characteristics,magnetic field characteristics and particles motion behaviors in separation field.Finally the emphases and directions of numerical research of beneficiation experiment were brought forward.

Key words: Beneficiation, Numerical experiment, Flow field characteristic, Magnetic field characteristic, Motion behavior of particles