湿法冶金领域脉冲萃取技术与设备研究进展

Review on the Development of Pulsed Extraction Technology and Equipment for Hydrometallurgy

脉冲萃取塔作为一种高效的液液萃取设备,是湿法冶金技术塔式萃取设备开发的重要方向之一。系统综述了脉冲萃取塔的开发过程,重点探讨了传递过程规律的研究、数学模型的构建,以及计算流体力学(CFD)在设备开发中的应用。回顾了脉冲萃取塔操作与结构参数对流体力学以及传质性能的影响,揭示了传质、传动量等过程中的规律性和影响因素。在此基础上,介绍了CFD模拟和其他计算技术的应用,进一步优化塔的设计与性能。最后,总结了脉冲萃取塔内构件和塔型式的改进方案,指出了未来研究的方向和潜在应用场景,旨在为今后的研究与应用提供有价值的参考。

As an efficient liquid-liquid extraction equipment,pulse extraction tower is one of the important directions in the development of hydrometallurgical tower extraction equipment.In this paper,the development process of the pulse extraction tower was systematically reviewed,with emphasis on the research of the transfer process,the construction of mathematical model,and the application of computational fluid dynamics(CFD)in the development of the equipment.Firstly,the effects of operation and structural parameters on the hydrodynamic behavior and mass transfer efficiency within the pulsed extraction column were reviewed,and the regularities and influencing factors in the process of mass transfer and transmission capacity were revealed.On this basis,the application of CFD simulation and other computing techniques was introduced to further optimize the design and performance of the tower.Finally,the improvement scheme of the inner components and tower type of the pulse extraction tower were summarized,the future research direction and potential application scenarios were pointed out.The purpose is to provide a valuable reference for future research and application.