超临速磨机中钢球和矿石的运动规律  

RESEARCH ON THE MOTION LAW OF THE BALL AND THE ORE IN MILL OF ULTRACRITICAL ROTATION SPEED

作　　者：文书明[1] 叶贤东[2] 

机构地区：[1]昆明理工大学,昆明650093 [2]西南交通大学,成都610031

出　　处：《中国矿业》2003年第6期60-63,共4页China Mining Magazine

摘　　要：介绍了超临速磨机的结构 ,分析研究了超临速磨机中矿石和钢球的运动规律 ,得出了钢球在抛物运动阶段的轨迹方程和钢球对矿石的冲击速度公式。结果表明 :钢球的抛物线运动轨迹主要决定于导向板下端点的位置 ,钢球对矿石的冲击速度决定于磨机的转速和直径。The paper introduces the structure of mill of ultracritical rotation speed,analyzes and studies the motion law of ore and ball in the mill and deduces the locus equation at the projecting motion stage of steel bah and the impact velocity formula describing the impact of steel ball on ore.The results show that the parabolic motion locus of steel ball is to a great extent dependant on the position of lower end of guide plate and the impact velocity is dependant on the rotation speed and diameter of mill.

关 键 词：超临速磨机 钢球 矿石 运动规律 轨迹方程 冲击速度 转速 直径 

分 类 号：TD453[矿业工程—矿山机电]