颗粒离散元法模拟卧式行星球磨机内钢球的运动规律

Motion simulation of grinding balls in horizontal planetary ball mills with distinct element method

采用颗粒离散元法模拟了卧式行星球磨机筒壁上的衬板对磨筒钢球运动规律的影响,包含衬板高度以及衬板数量的影响。研究结果表明:磨筒内钢球的平均接触力与钢球的运动状态存在明显的关联;磨筒内衬板高度为3mm、衬板数量为6根时,磨筒钢球的抛落状态最好,钢球的平均接触力最大。

The influence of the lining board on the motion of grinding balls in shells of horizontal planetary ball mills are simulated with distinct element method,and the height and the quantity of the lining board included.The study results show that the mean contact force are obviously related with the kinestate of grinding balls;when the thickness of the lining board is 3 mm and the quantity of the lining boards is 6,the grinding balls has the best kinestate and the mean contact force of grinding balls reaches the maximum.