A Two-step Design Method for Shaft Work Targeting on Low-temperature Process

罗祎青; 冯胜科; 孙长江; 袁希钢

doi:10.1016/S1004-9541(14)60081-1

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A Two-step Design Method for Shaft Work Targeting on Low-temperature Process

催化、动力学与反应工程 | Updated：2026-01-06

- A Two-step Design Method for Shaft Work Targeting on Low-temperature Process
- Chinese Journal of Chemical Engineering Vol. 22, Issue 6, Pages: 664-6681004-954160081-1(2014)
- Affiliations：
  
  Beijing Risun Chemical Technologies Institute Company Limited,Beijing,China,100070
- Author bio：
- Funds：
- DOI：10.1016/S1004-9541(14)60081-1
  CLC：
- Published：2014
- Accepted：
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LUO Yiqing, FENG Shengke, SUN Changjiang, YUAN Xigang . A Two-step Design Method for Shaft Work Targeting on Low-temperature Process[J]. Chin.J.Chem.Eng., 2014, 22(6): 664-668.
DOI：

LUO Yiqing, FENG Shengke, SUN Changjiang, YUAN Xigang . A Two-step Design Method for Shaft Work Targeting on Low-temperature Process[J]. Chin.J.Chem.Eng., 2014, 22(6): 664-668. DOI： 10.1016/S1004-9541(14)60081-1.

摘要

Abstract

In low-temperature processes

there are interactions between heat exchanger network (HEN) and refrigeration system. The modification on HEN of the chilling train for increasing energy recovery does not always coordinate with the minimum shaft work consumption of the corresponding refrigeration system. In this paper

a systematic approach for optimizing low-temperature system is presented through mathematical method and exergy analysis. The possibility of "pockets"

which appears as right nose section in the grand composite curve (EGCC) of the process

is first optimized. The EGCC with the pockets cutting down is designed as a separate part. A case study is used to illustrate the application of the approach for a HEN of a chilling train with propylene and ethylene refrigerant system in an ethylene production process.

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