A systematic strategy for multi-period heat exchanger network retrofit under multiple practical restrictions

Lixia Kang; Yongzhong Liu

doi:10.1016/j.cjche.2017.01.002

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A systematic strategy for multi-period heat exchanger network retrofit under multiple practical restrictions

Article | Updated：2026-01-06

- A systematic strategy for multi-period heat exchanger network retrofit under multiple practical restrictions
- Chinese Journal of Chemical Engineering Vol. 25, Issue 8, Pages: 1043-1051(2017)
- Affiliations：
  
  1. Department of Chemical Engineering, Xi'an Jiaotong University,Xi'an,China,710049
  2. Key Laboratory of Thermo-Fluid Science and Engineering, Ministry of Education,Xi'an,China,710049
- Author bio：
- Funds：
- DOI：10.1016/j.cjche.2017.01.002
  CLC：
- Published：2017
- Accepted：
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Lixia Kang, Yongzhong Liu. A systematic strategy for multi-period heat exchanger network retrofit under multiple practical restrictions[J]. , 2017, 25(8): 1043-1051.
DOI：

Lixia Kang, Yongzhong Liu. A systematic strategy for multi-period heat exchanger network retrofit under multiple practical restrictions[J]. , 2017, 25(8): 1043-1051. DOI： 10.1016/j.cjche.2017.01.002.

摘要

Abstract

A systematic strategy for retrofit of the multi-period heat exchanger network (HEN) on the basis of the multiobjective optimization is developed. In this three-stage procedure

a simplified multi-objective optimization model of the multi-period HEN is first established and then solved to target the retrofit

aiming to minimizing the total annual cost and total annual CO

emissions. The obtained Pareto front represents series of retrofit targets under different emission limitations

from which the most desirable one can be selected. The matching of the existing and the required heat exchangers is further implemented to finalize the retrofit

which will meet the practical retrofit requirements and matching restrictions. The application of the proposed procedure is illustrated through a case study of a HEN in a vacuum gas oil hydro-treating unit.

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