基于DEM-FEM耦合的卧辊磨层压力学特性分析  

Analysis on Laminating Mechanical Characteristics of Horomill Based on DEM-FEM Coupling

作　　者：叶涛[1] 刘付志标 YE Tao;LIUfu Zhibiao(School of Mechanical and Electronic Engineering, Wuhan University of Technology, Wuhan, Hubei 430070, Chin)

机构地区：[1]武汉理工大学机电工程学院,湖北武汉430070

出　　处：《矿业研究与开发》2018年第6期113-118,共6页Mining Research and Development

基　　金：江苏省新型环保重点实验室开放课题基金项目(AE201004)

摘　　要：从卧辊磨粉磨原理出发,应用离散元-有限元单向耦合的方法对其粉磨过程进行模拟仿真分析研究,结果表明,粉磨过程中压紧区、粉磨区和反弹区三大特征区域的力学特性都是复杂多变的,接近简体与压棍最小间隙处时压力值最大,物料受力以法向力为主,简体与压棍满足强度要求,变形量极小。Based on the grinding principle of the horizontal roller, the simulation and analysis of its grinding process were carried out by using the unidirectional coupling method of discrete element-finite element. The result showed that during the process of gringding, the mechanical characteristics of three feature regions were complex and changeable. The regions included compressing region, milling region and rebound region. And the pressure value reached the maximum when near the minimum clearance between the barreland the roller. The stress of the material was mainly normal force, and the barreland the roller could meet the strength requirement, with the minimal deformation.

关 键 词：卧辊磨 料层挤压 离散元 有限元 

分 类 号：TQ172.63[化学工程—水泥工业]