本文介绍了埃利奥特湖里奥廷吐公司(Rio Tinto Group)几个铀工厂由球磨改为自磨的情况。每个铀工厂的日处理量约为3000吨矿石,原先在硫酸浸出前进行棒磨和球磨,给矿粒度控制在-0.75时。叙述了改装的机械问题和所遇到的困难,详细地谈到了目前的磨矿实践。 This article describes how several uranium plants in Rio Tinto Group, Elliott Lake, have changed from ball mill to self-mill. The daily capacity of each uranium plant is about 3,000 tonnes of ore, originally hardened and ball milled prior to leaching with sulfuric acid to a particle size control of -0.75. Described the modified mechanical problems and difficulties encountered, talked in detail about the current grinding practice.