The experimental research of the useful power of centrifugal mill;
离心磨矿机有用功率的试验研究
The driving and useful power of the mills are analyzed.
分析了球磨机的驱动功率、有用功率，建立了数学模型和计算方法。
Movement of damp mill medium is discussed and active power equation is derived under throwing off condition.
通过对润磨机介质运动状态的分析,推导出润磨机抛落状态下的有用功率方程。