化工学报 ›› 2022, Vol. 73 ›› Issue (6): 2438-2451.doi: 10.11949/0438-1157.20211854

• 综述与专论 • 上一篇    下一篇

气液固流化床流动介尺度模型研究进展

马永丽1(),刘明言1,2(),胡宗定1   

  1. 1.天津大学化工学院，天津 300350
    2.化学工程联合国家重点实验室（天津大学），天津 300350
  • 收稿日期:2021-12-31 修回日期:2022-03-29 出版日期:2022-06-05 发布日期:2022-06-30
  • 通讯作者: 刘明言 E-mail:mayl@tju.edu.cn;myliu@tju.edu.cn
  • 作者简介:马永丽（1989—），女，博士，讲师，mayl@tju.edu.cn
  • 基金资助:
    国家自然科学基金青年科学基金项目(22008169);国家自然科学基金重大研究计划重点支持项目(91434204);国家自然科学基金重大研究计划集成项目(91834303)

Development of flow mesoscale modeling of the gas-liquid-solid fluidized beds

Yongli MA1(),Mingyan LIU1,2(),Zongding HU1   

  1. 1.School of Chemical Engineering, Tianjin University, Tianjin 300350, China
    2.State Key Laboratory of Chemical Engineering (Tianjin University), Tianjin 300350, China
  • Received:2021-12-31 Revised:2022-03-29 Published:2022-06-05 Online:2022-06-30
  • Contact: Mingyan LIU E-mail:mayl@tju.edu.cn;myliu@tju.edu.cn

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摘要：

气液固流化床是一类重要的多相反应器，在化工及相关过程工业中有着广泛的应用。然而，由于对该类反应器内复杂的多相流动结构的定量描述十分有限，目前其设计和放大仍主要依赖经验，致使放大成功率低，反应结果达不到预期效果。因此，建立和完善气液固流化床内的三相流动机理模型，是实现该类反应器科学设计和放大的关键环节。对气液固流化床内的三相流动机理模型的研究进展进行了分析，着重总结了三相流动介尺度机理模型研究的新进展，并指出了存在的问题和进一步研究的方向，希望为该类反应器的基础研究和工业应用提供参考。

关键词: 流化床, 流动, 模型, 介尺度

Abstract:

The gas-liquid-solid fluidized bed is an important multi-phase reactor and has a wide range of applications in the chemical and related process industries. However, due to the very limited quantitative description of the complex multiphase flow structure in this type of reactor, its design and scale-up still mainly rely on experience, resulting in a low scale-up success rate and unpredictable reaction results. Therefore, establishing and perfecting the three-phase flow mechanism model in the gas-liquid-solid fluidized bed is the key link to realize the scientific design and scale-up of this type of reactor. This paper analyzes the research progress on the flow mechanism models of gas-liquid-solid fluidized bed with liquid phase as the fluidization medium, especially summarizes the new progress of mesoscale model of gas-liquid-solid flow, and points out the existing problems and the direction of further research, hoping to be a reference for the basic researches and industrial applications.

Key words: fluidized bed, flow, model, mesoscale

中图分类号: 

  • TQ 018
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