摘要
旋转填充床(RPB)因其在化工传质方面拥有巨大优势而受到广泛关注。其内部液相流场对于提高传质效率至关重要。但由于内部流场的流动规律复杂,很难通过实验手段对其进行深入分析。因此,建立了规整丝网填料旋转床二维模型,采用realizable k-ε湍动模型模拟RPB的液相流场,研究入口速度、转速、黏度对流场特征的影响。结果表明:旋转床液相速度和湍动能变化主要存在于填料层端效应区和侧端效应区。其湍动能随转速、入口速度、黏度增大而增大,其中入口速度增大还会增加端效应区的宽度。
The rotating packed bed(RPB)has attracted widespread attention due to its significant advantages in chemical mass transfer.The internal liquid phase flow field is crucial for improving mass transfer efficiency.However,due to the complex flow patterns of the internal flow field,it is difficult to conduct in-depth analysis through experimental means.Therefore,a regular wire mesh packed rotating bed two-dimensional model was established,and the realizable k-ε turbulent model was used to simulate the liquid phase flow field of RPB,the effects of inlet velocity,rotational speed,and viscosity on the flow field characteristics were studied.The results showed that the liquid phase velocity and turbulent kinetic energy in the rotating bed mainly changed in the end effects zone and side effects zone of the packed bed layer.The turbulent kinetic energy increased with the increase of rotational speed,inlet velocity,and viscosity,and the increase of inlet velocity also widened the end effects zone.
作者
黄斌
朱锐
傅程
张威
严格
HUANG Bin;ZHU Rui;FU Cheng;ZHANG Wei;YAN Ge(Chongqing Institute of Unconventional Oil and Gas Development,Chongqing University of Science and Technology,Chongqing 401331,China;School of Petroleum and Natural Gas Engineering,Chongqing University of Science and Technology,Chongqing 401331,China)
出处
《当代化工》
2025年第11期2718-2725,共8页
Contemporary Chemical Industry
基金
中国石油科技创新基金研究项目(项目编号:2022DQ02-0203)
重庆市自然科学基金创新发展联合基金重点项目(项目编号:2022NSCQ-LZX0205)
重庆英才包干制项目(项目编号:cstc2024ycjh-bgzxm0215)。
