Identification of Design Modifications for Implementing Optimal HEN Cleaning Schedules

Chuei Tin Chang, Bo Jyun Liao

研究成果: Chapter

摘要

Due to fouling in the heat-transfer units, the target temperatures of process streams in a heat exchanger network (HEN) may not always be achievable after a long period of operation. To address this practical issue, the conventional cost-optimal HEN design must be modified to accommodate online cleaning operations via proper allocation of area margins, bypasses, spares and auxiliary heaters/coolers. A solvable MINLP model has been developed in this work to simultaneously generate such design refinements and also the corresponding spare-supported cleaning schedules. The optimization results of one example are presented to demonstrate the feasibility of this approach.

原文English
主出版物標題Computer Aided Chemical Engineering
發行者Elsevier B.V.
頁面1009-1014
頁數6
DOIs
出版狀態Published - 2018 1月 1

出版系列

名字Computer Aided Chemical Engineering
44
ISSN(列印)1570-7946

All Science Journal Classification (ASJC) codes

  • 化學工程 (全部)
  • 電腦科學應用

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