矿产保护与利用2024，Vol.44Issue(1)：126-134,9.DOI:10.13779/j.cnki.issn1001-0076.2024.01.015
离散元法在矿石破碎中的应用研究进展
Application Research Status of Discrete Element Method in Ore Crushing
摘要
Abstract
Discrete Element Method(DEM)is a numerical method of discontinuous media mechanics,which has been widely used in the study of mineral processing and crushing process,and is used to analyze and solve the motion law,collision and crushing characteristics of particles in the discrete system.It provides an important theoretical research method for studying the crushing mechanism of minerals and optimizing the working parameters and mechanical structure of crushing equipment.This paper introduces two kinds of simulation models for simulating mineral particle breakage in discrete element numerical simulation technology:Bonded Particle Model(BPM)and Particle Replacement Model(PRM),and the basic principle,model defects,optimization progress and application of the two models are summarized.The research progress of cone crusher,jaw crusher,impact crusher and impact crusher under the influence of different mineral properties,structures and working parameters is reviewed.The advantages and limitations of DEM in ore crushing are discussed,and the development direction of mineral crushing research based on DEM is put forward.关键词
离散元法/键合粒子模型/颗粒替换模型/破碎设备/破碎特性Key words
DEM/bonded particle model/particle replacement model/crushing equipment/crushing characteristic分类
矿业与冶金引用本文复制引用
谢存黎,田小松,王飞旺,梁泽跃,杨斌,戴惠新..离散元法在矿石破碎中的应用研究进展[J].矿产保护与利用,2024,44(1):126-134,9.基金项目
国家自然科学基金项目(52364033) （52364033）
