Tube bundle arrangements and heat transfer calculations of multi-stream spiral-wound heat exchanger

被引：0
作者：
Ouyang X. [1 ]
Qin J. [1 ]
Xue L. [2 ]
Bai H. [1 ]
Xia R. [1 ]
Zhao J. [1 ]
Li S. [1 ]
机构：
[1] Institute of Refrigeration and Cryogenics, University of Shanghai for Science and Technology, Shanghai
[2] Jiangyin Jintong Petrochemical Equipment Co., Ltd., Jiangsu, Wuxi
来源：
Huagong Jinzhan/Chemical Industry and Engineering Progress | 2019年 / 38卷 / S1期
关键词：
heat transfer; heat transfer calculation; multi-stream; spiral-wound heat exchanger; tube bundle arrangement;
D O I：
10.16085/j.issn.1000-6613.2019-0774
中图分类号：
学科分类号：
摘要：
The heat transfer calculation of multi-stream spiral-wound heat exchangers are difficult due to their complicated structure. The common calculation method is to develop a calculation model and perform numerical solution after giving some assumptions. However, this method is not suitable for engineering calculation because of complicated calculation. Some simple analytical calculation methods for engineering calculations have the disadvantages of complex iterative calculation and limited application range. This paper lists the tube bundle arrangements of several typical multi-stream spiral-wound heat exchangers, and analyzes their geometric characteristics. Moreover, it gives the tube plate structures and the corresponding ways to connect flow inlet and outlet of multi-stream heat exchangers, and analyzes their advantages and disadvantages and applications. For two conventional tube bundle arrangements, that is, each tube-side fluid arranged in multi-layers or the same layer, this paper recommends two simple heat transfer calculation methods suitable for engineering applications respectively. These two calculation methods simplify the calculation process by decomposing the calculation of complex multi-stream spiral-wound heat exchanger into multiple tube-side single-stream spiral-wound heat exchanger. © 2019, Chemical Industry Press Co., Ltd.. All rights reserved.
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页码：39 / 45
页数：6
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