Optimal of energy efficient water utilization systems

廖祖维 阳永荣 王靖岱 蒋斌波

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Optimal of energy efficient water utilization systems

更新时间：2025-12-10

- Optimal of energy efficient water utilization systems
- CIESC Journal Issue 2, (2007)
- 作者机构：
  
  浙江大学化学工程与生物工程学系浙江大学化学工程与生物工程学系浙江大学化工学院
- 作者简介：
- 基金信息：
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- Online First：05 February 2007，
  
  Published：05 February 2007
- 稿件说明：
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廖祖维阳永荣王靖岱蒋斌波. Optimal of energy efficient water utilization systems[J]. CIESC Journal, 2007, (2).
DOI：

廖祖维阳永荣王靖岱蒋斌波. Optimal of energy efficient water utilization systems[J]. CIESC Journal, 2007, (2). DOI：

摘要

提出了新的同时考虑间接传热和混合传热的热集成转运模型，并与用水网络超结构NLP模型结合以求取ΔTmin＝0℃时用水网络的公用工程目标。新转运模型与以往的模型相比变量数和约束方程数都大大减少。进一步，针对现有综合方法ΔTmin不可调的局限性，采用改进的换热网络转运模型，提出了区分处理混合传热和间接传热的综合方法。该方法不仅可以得到优化的公用工程费用和换热匹配数，而且与传统的方法相比可以调整ΔTmin，得到更合理的换热网络结构。算例表明，结合新转运模型的NLP模型与结合改进转运模型的综合方法都要优于以往的模型和方法。

Abstract

The design of energy efficient water utilization systems becomes a recent research direction. However

even for utility targeting

the current models involve many variables and constraints and it takes much time to solve the problem. Furthermore

the resulting utility target relies on the assumption ofΔTmin=0℃

for treating both direct and indirect heat transfer in one transshipment model. This assumption may lead to ΔTmin violations in the following HEN construction. A new kind of NLP model for utility targeting underΔTmin=0℃ is presented which can reduce the number of variables greatly. Moreover

an improved design approach considering the specifiedΔTmin is generated. This approach

which treats the direct and indirect heat transfer separately

provides the information to construct the water utilization system as well as the corresponding heat exchanger network without anyΔTmin violation.

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