Integration of energy recovery network including recycling residual pressure energy with pinch technology

Jianqiang Deng; Zheng Cao; Dongbo Zhang; Xiao Feng

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Integration of energy recovery network including recycling residual pressure energy with pinch technology

Process Systems Engineering and Process Safety | Updated：2026-01-06

- Integration of energy recovery network including recycling residual pressure energy with pinch technology
- Chinese Journal of Chemical Engineering Vol. 25, Issue 4, Pages: 453-462(2017)
- Affiliations：
  
  1. School of Chemical Engineering and Technology, Xi'an Jiaotong University,Xi'an,China,710049
  2. Shaanxi Coal and Chemical Technology Institute Co., Ltd,Xi'an,710070
- Author bio：
- Funds：
- DOI：
  CLC：
- Published：2017
- Accepted：
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Jianqiang Deng, Zheng Cao, Dongbo Zhang, Xiao Feng. Integration of energy recovery network including recycling residual pressure energy with pinch technology[J]. , 2017, 25(4): 453-462.
DOI：

Jianqiang Deng, Zheng Cao, Dongbo Zhang, Xiao Feng. Integration of energy recovery network including recycling residual pressure energy with pinch technology[J]. , 2017, 25(4): 453-462. DOI：

摘要

Abstract

Work exchange is a promising innovative technology in recovering residual pressure energy.However

at the systematic level

the comprehensive utilization of different energy resources in an energy system has become an issue of concern.In this work

a systematic approach is proposed

one that successively integrates heat

work and adjusts operation parameters.A detailed procedure for building a heat-work coupling transfer network is provided.The synthesis mainly consists of constructing a work exchange sub-network with pinch analysis based on positive displacement type work exchangers.Simultaneously

another kind of sub-network based on turbine-type work exchangers is built as a schematic comparison.The influence of applying a positive displacement work exchanger on the system is investigated.Finally

as a case study

a renovation design of a typical rectisol process in the coal-water slurry gasification section of an ammonia plant is presented.The results show that the added work exchanger has little impact on the existing heat exchange sub-network.Moreover

extra pressure energy is recovered by coupling the transfer network.It is concluded that the heat-work systematic design is a promising and powerful method to use energy more efficiently.

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