化工学报 ›› 2020, Vol. 71 ›› Issue (5): 1995-2003.DOI: 10.11949/0438-1157.20191300

• 流体力学与传递现象 • 上一篇    下一篇

新型复合式内部能量集成的精馏塔的机械设计与水力学模拟

刘宏1,2(),赵雅静1,2,李英栋1,2,李凭力1,2()   

  1. 1.天津大学化工学院,天津 300350
    2.天津市膜科学与海水淡化重点实验室,天津 300350
  • 收稿日期:2019-10-31 修回日期:2020-02-28 出版日期:2020-05-05 发布日期:2020-05-05
  • 通讯作者: 李凭力
  • 作者简介:刘宏(1992—),男,硕士研究生,996873433@qq.com

Mechanical design and hydraulics simulation of a new complex internal heat integrated distillation column

Hong LIU1,2(),Yajing ZHAO1,2,Yingdong LI1,2,Pingli LI1,2()   

  1. 1.School of Chemical Engineering and Technology, Tianjin University, Tianjin 300350, China
    2.Tianjin Key Laboratory of Membrane Science and Seawater Desalination Technology, Tianjin 300350, China
  • Received:2019-10-31 Revised:2020-02-28 Online:2020-05-05 Published:2020-05-05
  • Contact: Pingli LI

摘要:

基于HIDiC的理论和Aspen 模拟的结果,建立了新型内部能量集成的精馏塔的塔节结构,对筛孔式结构的复合HIDiC塔节做了CFD模拟,探索了不同参数下的水力学性能,优化了新型复合塔节的结构。结果表明:对于筛孔式复合塔节,减小塔板孔径,降低出口堰高有利于提高传质和传热效果。利用SolidWorks软件针对温度与压力下的双重效应做了静应力分析,通过HIDiC理论,模型构建,水力学模拟相互验证,将HIDiC逐板换热的理论与实际模型完美结合。

关键词: 能量集成, 精馏, 机械设计, 筛孔式复合塔节, 静力学分析, 水力学模拟

Abstract:

In this paper, based on the theory of HIDiC and the results of Aspen simulation, a new type of internal energy integration distillation structure was established, CFD simulation was conducted for the composite HIDiC with structures of sieve hole type, hydraulics properties under different parameters were explored, and the HIDiC structure was optimized. The results show that reducing the hole of the tray and the height of the exit weir can improve the effect of mass transfer and heat transfer. SolidWorks software was used to conduct static stress analysis on the dual effects of temperature and pressure. Through HIDiC theory, model construction, and mutual verification of hydraulic simulation, the theory of HIDiC heat transfer from plate to plate was perfectly combined with the actual model.

Key words: energy integration, rectification, mechanical design, composite sieve tray, statics analysis, hydraulics simulation

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