浮选动力学模型研究进展及展望

摘要

To realize the automatic control and improve the efficiency of flotation,this paper summarized the development progress of flotation kinetic model,and introduced some practical flotation kinetic models.The current application of kinetic theory on flotation of metal minerals and coal slime was referred,thus the prospect of flotation kinetic models was systematically reviewed.Due to the extremely complex of flotation process,the flotation separation is impacted by many factors.as a result,the existing flotation kinetic models are only used to simulate some specific objectives,thus are limited to present various heterogeneities in one model,so as to be invalid for many refractory minerals.Elucidating the microscopic mechanism of the flotation process on the basis of flotation rate constant and law of parameters in flotation kinetic models by using the computer simulation technology is the premise of describing the actual flotation process accurately.It is also the development trend of flotation kinetic in the future.%为实现浮选的自动控制,提高浮选效率,介绍了浮选动力学模型的发展历程,论述了浮选动力学模型实例,分析了浮选动力学理论在金属矿物和煤泥浮选中的应用,并对浮选动力学模型发展趋势进行展望.由于浮选过程极其复杂,影响浮选分离的因素很多,现有的浮选动力学模型只是对某些重要影响因素进行模拟,无法将各种不均一性在同一模型中得到体现,对于许多复杂难选矿也不太适用.以浮选速率常数为基础,从浮选过程的微观机理出发,运用计算机模拟仿真技术,结合浮选动力学模型中参数的变化规律,是准确描述实际浮选过程的前提,也是未来浮选动力学研究发展的趋势.