Recent development in the retrofit of heat exchanger networks

Robin Smith, Megan Jobson, Lu Chen

    Research output: Contribution to journalArticlepeer-review

    Abstract

    This work presents a methodology for heat exchanger network (HEN) retrofit, which is applicable to complex industrial revamps, considering existing networks and constraining the number of modifications. The network pinch approach [N.D.K. Asante, X.X. Zhu, An automated approach for heat exchanger network retrofit featuring minimal topology modifications, Comp. Chem. Eng. 20 (1996) S7-S12.] has been modified and extended to apply to the HEN design in which the thermal properties of streams are temperature-dependent. The modified network pinch approach combines structural modifications and cost optimisation in a single step to avoid missing cost-effective design solutions. © 2010 Elsevier Ltd. All rights reserved.
    Original languageEnglish
    Pages (from-to)2281-2289
    Number of pages8
    JournalApplied Thermal Engineering
    Volume30
    Issue number16
    DOIs
    Publication statusPublished - Nov 2010

    Keywords

    • Heat exchanger network
    • Mixed-integer non-linear optimisation
    • Network pinch approach
    • Retrofit design

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