Prospect of packed flotation column;
充填式浮选柱的浮选特性与前景
A large number of research results at home and abroad show that the packed flotation column is an equipment, which applies to clean grain of fine mineral, dispose ash and desulfurization of pulverized coal and seperate material and so on in beneficiation trade,chemical industy.
国内外大量研究结果表明充填式浮选柱是一种可供选矿、化工、造纸和废水处理等行业用于精选细粒矿物、粉煤除灰脱硫及其它物料分离的设备,与目前所用的浮选设备相比,具有结构简单,能耗低、分选效率高、操作容易等优点。
The history and characteristics of packed flotation columns were briefly presented,and its recent progress in the basic theoretical researches such as the internal structures,hydrokinetic properties,mathematical models,etc.
简要介绍了充填式浮选柱的发展历程及其特点 ,综述了近年来国内外学者对该设备的内部结构、流体力学特性、数学模型等基础理论的研究状况 ,以及充填式浮选柱在金属矿、煤、非金属矿等分选工艺中的主要应用情况 ,指出了目前所存在的一些有待解决的问题 ,并从基础理论和实际应用两个方面提出了几个有待进一步深入研究的课题和发展方
A two-dimension mixing model was built for packed flotation columns and the numerical solution to the model was obtained.
建立了充填式浮选柱的二维混合模型,并对该模型进行了数值法求解,探讨了径向返混系数和轴向气、液流速沿径向的分布对充填式浮选柱捕集区的回收率的影响。