摘要
为探究滚筒冷渣机内颗粒扩散现象,采用DEM模拟滚筒中处于滚落状态下的颗粒群,得到颗粒群流经主动层时轴向位移变化量和径向位移变化量,得到颗粒群的平均扩散系数。结果表明,颗粒扩散现象受转速、填充率及滚筒直径的影响,并呈现一定的规律性。
To explore the particle dispersion in the roller cold slag machine, the paper applied the discrete element method（DEM） to simulate the rolling and falling particle swarm in the center of the roller, and obtained the axial displacement, radial displacement and average dispersion coefficient of the particle swarm while it flowed through the active layer. The results showed the particle dispersion was affected by the rotary speed, filling ratio and roller diameter with certain laws.
出处
《矿山机械》
2015年第11期76-80,共5页
Mining & Processing Equipment
基金
中央高校基本科研业务费专项资金资助(NO.FRFSD-12-013A)
关键词
滚筒冷渣机
扩散系数
滚落状态
离散单元法
roller cold slag machine
dispersion coefficient
rolling and falling mode
discrete element method（DEM）
