STUDY AND APPLICATION OF APPROCH TO OPTIMIZE HEAT-HUMP INTEGRATION BETWEEN LOW- TEMPERATURE DISTILLATION COLUMN AND REFRIGERATION SYSTEM

Li Huiquan and Li Zuohu  (Institute of Chemical Metallurgy Chinese Academy of Sciences; Beijing 100080) Yao Ping-Jing  (Dalian  University of Technology; Dalian  116012)

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STUDY AND APPLICATION OF APPROCH TO OPTIMIZE HEAT-HUMP INTEGRATION BETWEEN LOW- TEMPERATURE DISTILLATION COLUMN AND REFRIGERATION SYSTEM

更新时间：2025-12-16

- STUDY AND APPLICATION OF APPROCH TO OPTIMIZE HEAT-HUMP INTEGRATION BETWEEN LOW- TEMPERATURE DISTILLATION COLUMN AND REFRIGERATION SYSTEM
- CIESC Journal Issue S1, (2000)
- 作者机构：
  
  中科院化工冶金研究所!北京100080,中科院化工冶金研究所!北京100080,大连理工大学化工学院,大连,116012
- 作者简介：
- 基金信息：
- DOI：
  CLC： Q02
- Online First：30 December 2000，
  
  Published：30 December 2000
- 稿件说明：
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Li Huiquan and Li Zuohu (Institute of Chemical Metallurgy Chinese Academy of Sciences, Beijing 100080) Yao Ping-Jing (Dalian University of Technology, Dalian 116012). STUDY AND APPLICATION OF APPROCH TO OPTIMIZE HEAT-HUMP INTEGRATION BETWEEN LOW- TEMPERATURE DISTILLATION COLUMN AND REFRIGERATION SYSTEM[J]. CIESC Journal, 2000, (S1).
DOI：

Li Huiquan and Li Zuohu (Institute of Chemical Metallurgy Chinese Academy of Sciences, Beijing 100080) Yao Ping-Jing (Dalian University of Technology, Dalian 116012). STUDY AND APPLICATION OF APPROCH TO OPTIMIZE HEAT-HUMP INTEGRATION BETWEEN LOW- TEMPERATURE DISTILLATION COLUMN AND REFRIGERATION SYSTEM[J]. CIESC Journal, 2000, (S1). DOI：

摘要

本文复合夹点分析方法和　分析原理，建立了低温蒸馏塔与冷冻系统热泵流程集成的优化方法。其中首次构造了低温过程系统热泵流程集成的　总组合曲线，用以目标化低温蒸馏塔与冷冻系统的热泵流程集成；并提出低温过程系统热泵流程集成的　效能系数，预测冷冻系统通过热泵流程集成所得到的轴功节省目标。所提出的方法已成功地应用于乙烯精馏塔与冷冻系统联合解瓶颈工程实例，经济效益显著。

Abstract

Based on pinch analysis method and exergy principle

a new approach is developed to optimize the heat-pump integration between low-temperature distillation column and refrigeration system. In this work

our main contribution is dominated to construct the heat-pumping integration exergy grand composite curve

by which the heat-load and temperature level of heat-pump integration between low-temperature distillation column and refrigeration system are visually targeted. Further

the co-efficiency of exergetic performance of heat-pumping integration is presented and formulated

and it is used to quickly evaluate the shiftwork-saving target of refrigeration system resulted from the heat-pump integration. An ethylene plant cold end case study

which requires to de-bottleneck the bad interaction between ethylene column and propylene refrigeration system

is introduced to demonstrate and validate the presented heat-pump integration approach.

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