An Enhanced Stage-wise Superstructure for Heat Exchanger Networks Synthesis with New Options for Heaters and Coolers Placement,Industrial & Engineering Chemistry Research

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An Enhanced Stage-wise Superstructure for Heat Exchanger Networks Synthesis with New Options for Heaters and Coolers Placement
Industrial & Engineering Chemistry Research ( IF 3.8 ) Pub Date : 2018-02-08 00:00:00 , DOI: 10.1021/acs.iecr.7b03336
Leandro V. Pavão ₁ , Caliane B. B. Costa ₁ , Mauro A. S. S. Ravagnani ₁

Affiliation

Several methods for heat exchanger networks (HEN) design are based on the use of superstructures. The models they give rise to can lead to different design options to be explored in HEN synthesis. In this work, a stage-wise superstructure with new features for the optimal placement of heaters and coolers, including the possibility of the use of multiple utilities, is presented. In the model, those units can be placed in different stream split branches in all stages, differing from the usual allocation at stream ends. Such possibilities yield a more complex mathematical model. To solve it, an improved version of a previously presented hybrid meta-heuristic method was used. Three examples from the literature were studied. The use of the superstructure with the additional utility-related options, as well as the enhanced meta-heuristic solution method, led to configurations with lower associated total annual costs than those reported in previous works.

中文翻译：

用于换热器网络综合的增强的分阶段上部结构，带有用于加热器和冷却器的新选项

热交换器网络（HEN）设计的几种方法都基于上层建筑的使用。他们提出的模型可以导致HEN综合中探索不同的设计选项。在这项工作中，提出了一种具有新功能的分段式上部结构，用于优化加热器和冷却器的位置，包括使用多个公用事业的可能性。在模型中，这些单元可以在所有阶段放置在不同的流拆分分支中，这与流末端的常规分配不同。这种可能性产生了更复杂的数学模型。为了解决这个问题，使用了先前提出的混合元启发式方法的改进版本。研究了文献中的三个例子。将上层结构与其他与实用程序相关的选项以及增强的元启发式求解方法一起使用，

更新日期：2018-02-09

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