A Mathematical Model for Designing Optimal Shape for the Cone Used in Z-flow Type Radial Flow Adsorbers

张学军; 陆军亮; 邱利民; 张小斌; 王晓蕾

doi:10.1016/S1004-9541(13)60527-3

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A Mathematical Model for Designing Optimal Shape for the Cone Used in Z-flow Type Radial Flow Adsorbers

分离科学与工程 | Updated：2026-01-06

- A Mathematical Model for Designing Optimal Shape for the Cone Used in Z-flow Type Radial Flow Adsorbers
- A Mathematical Model for Designing Optimal Shape for the Cone Used in Z-flow Type Radial Flow Adsorbers
- 中国化学工程学报（英文版） 2013年21卷第5期页码：494-4991004-954160527-3
- Affiliations：
  
  Institute of Refrigeration and Cryogenics, Zhejiang University,Hangzhou,China,310027
- Author bio：
- Funds：
- DOI：10.1016/S1004-9541(13)60527-3
  中图分类号：
- 纸质出版：2013
- Accepted：
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张学军, 陆军亮, 邱利民, 等. A Mathematical Model for Designing Optimal Shape for the Cone Used in Z-flow Type Radial Flow Adsorbers[J]. 中国化学工程学报（英文版）, 2013,21(5):494-4991004-954160527-3.

ZHANG Xuejun, LU Junliang, QIU Limin, ZHANG Xiaobin, WANG Xiaolei. A Mathematical Model for Designing Optimal Shape for the Cone Used in Z-flow Type Radial Flow Adsorbers[J]. Chin.J.Chem.Eng., 2013, 21(5): 494-499.
张学军, 陆军亮, 邱利民, 等. A Mathematical Model for Designing Optimal Shape for the Cone Used in Z-flow Type Radial Flow Adsorbers[J]. 中国化学工程学报（英文版）, 2013,21(5):494-4991004-954160527-3. DOI： 10.1016/S1004-9541(13)60527-3.

ZHANG Xuejun, LU Junliang, QIU Limin, ZHANG Xiaobin, WANG Xiaolei. A Mathematical Model for Designing Optimal Shape for the Cone Used in Z-flow Type Radial Flow Adsorbers[J]. Chin.J.Chem.Eng., 2013, 21(5): 494-499. DOI： 10.1016/S1004-9541(13)60527-3.

摘要

Abstract

Nonuniform flow distribution along the radial direction usually exists in a Z-flow type radial flow adsorber

which will decrease the utilization of adsorbent and the switching time and may result in operating safety problems in cryogenic air separation. In order to improve the uniformity of the flow distribution along the radial direction in the adsorber

a differential equation is derived through pressure drop analysis in the Z-flow type radial adsorber with a cone in the middle of the central pipe. The differential equation determines the ideal cross-sectional radii of the cone along the axis. The result shows that the cross-sectional radius of the cone should gradually decrease from 0.3 m to zero along the axis to ensure that the process air is distributed uniformly in the Z-flow type radial flow adsorber and the shape of the cone is a little convex. The flow distribution without the cone in the central pipe is compared under different bed porosities. It is demonstrated that the proposed differential equation can provide theoretical support for designing Z-flow type radial flow adsorbers.

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