BGRIMM浮选机放大方法与技术
Nonferrous Metals Mieral Processing Section（2020）
Abstract
低品位矿产资源高效开发对大型浮选装备技术有强烈需求.几十年来,世界范围内浮选装备的研究主要致力于设备的大型化.浮选机放大方法是浮选装备大型化的关键问题.简要分析了世界上主要浮选装备的大型化历程及其放大方法.阐述了我国BGRIMM系列浮选机的放大方法.BGRIMM系列浮选机的放大方法从相似放大理论、计算流体力学仿真优化和工业试验验证三个方面实现浮选装备的大型化.提出了以平均叶轮搅拌雷诺数相等、以几何相似及悬浮相似为核心的浮选设备放大方法.通过动力学准数分析论证了系列浮选机一致的动力学特性.建立了准确的浮选机CFD仿真优化模型,通过CFD辅助放大设计实现了大型浮选机细节优化.工业试验研究作为浮选机放大研究的关键环节,验证了大型浮选机优良的动力学性能.放大方法指导了BGRIMM系列浮选机的大型化,推动了低品位矿产资源的高效开发.
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