本篇论文研究了一段湿式“瀑落式”自磨机的给料中难磨粒级对易磨粒级(矿块、粗粒、细粒)的比率和中间粒级含量的影响,给出了这些因素对磨机生产率的影响特性。在处理石英岩磁铁矿的俄罗斯列别丁斯克选矿厂的试验数据的基础上,对9×3m“瀑落式”磨机的给料推算出一个“总粒级比率”系数。它有助于评价磨机介质中矿石粒级比率对磨机生产能力的影响,为一段自磨闭路或半闭路工艺流程的最佳化找到一些途径。本文还推荐了一种方法,对从自磨机中排出的作为 In this paper, we studied the effect of the refractory grain size on the grain size (nuggets, coarse grains, fine grains) and the content of intermediate grains in a wet “waterfall” self- The influence of these factors on mill productivity is given. Based on the experimental data from the Lepidindus concentrator, Russia, dealing with quartzite magnetite, a “total grain fraction” factor was estimated for the feed of a 9 × 3m “waterfall” mill . It helps to evaluate the effect of the grain size ratio of the mill medium on the mill’s production capacity and find some ways to optimize a mill-mill or semi-closed-circuit process. This article also recommends a method for discharging from a self-mill