浮选柱的研究与应用

来源期刊:中国有色金属学报2021年第4期

论文作者:王宾 蒋昊

文章页码:1027 - 1042

关键词:浮选柱;浮选;应用;气泡发生器;进展

Key words:flotation column; flotation; application; bubble generator; progress

摘    要:随着国内矿产资源不断开发,“贫”、“细”、“杂”的难选矿石愈来愈多,这对选矿设备的性能提出更高的要求。浮选柱是浮选技术中的一种重要浮选设备,具有投资小、结构简单、效率高等优点,其研发对于资源利用具有重要意义。介绍了浮选柱的基本结构、基本工作原理和主要操作参数;归纳了浮选柱的发展历程及分类;重点阐述了Jameson浮选柱、旋流-静态微泡浮选柱、充填式浮选柱的基本结构与工作原理、优缺点、研究现状和应用进展;归纳了浮选柱的气泡发生器、数学模型、按比例放大及自动控制等相关研究进展;介绍了几种新型浮选柱的特点及应用。最后,指出了浮选柱的未来发展应是气泡发生器的研制与应用、综合力场的结合、数学模型及按比例放大、自动化等方向。

Abstract: With the continuous development of domestic mineral resources, there are more and more refractory ores with low grade, fine grain size and complex mineral composition, which puts forward higher requirements on the performance of mineral processing device. Flotation column is an important flotation device in flotation technology. It has the advantages of small investment, simple structure and high efficiency. It is of great significance to resource utilization. The basic structure, basic working principle and main operating parameters of the flotation column were introduced. The development history and classification of flotation columns were summarized. The basic structure and working principle, advantages and disadvantages, research status and application progress of Jameson flotation column, Cyclonic-static micro-bubble flotation column and Packed flotation column were elaborated. The bubble generator, mathematical model, scale-up and automatic control research progress of the flotation column were summarized. The characteristics and application of several new flotation columns were introduced. Finally, it is pointed out that the future development of the flotation column should be the development and application of bubble generators, combination of comprehensive force fields, mathematical models, scale-up and automation.

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