Optimization of maintenance management of industrial water heat exchangers and water treatment

Kazuhiro Hayashi, Shigeyuki Tateno, Hisayoshi Matsuyama

Research output: Contribution to journalArticle

Abstract

In petrochemical process plants, there are many heat exchangers using industrial water as coolant. Further, water treatment systems usually recycle the water in order to minimize the environmental loads. Optimization of maintenance management of the heat exchangers and treatment of industrial water is needed since the quality of industrial water strongly affects the corrosion rate of tubes in heat exchangers and the decrease of their heat transfer coefficients. In this paper, a method is proposed to obtain the optimum conditions utilizing multivariate analysis based on data collected in the daily works of maintenance and water treatment. A concrete example of applying this method to 31 existing plants and optimizing PDCA management of maintenance by improving the sum of maintenance cost and water treatment cost is shown.

Original languageEnglish
Pages (from-to)121-129
Number of pages9
JournalJournal of Chemical Engineering of Japan
Volume52
Issue number1
DOIs
Publication statusPublished - 2019 Jan 1

Fingerprint

Water treatment
Heat exchangers
Water
Corrosion rate
Petrochemicals
Coolants
Heat transfer coefficients
Costs
Heat treatment

Keywords

  • Heat Exchanger
  • Industrial Water
  • Maintenance Management
  • Multivariate Analysis
  • Water Treatment

ASJC Scopus subject areas

  • Chemistry(all)
  • Chemical Engineering(all)

Cite this

Optimization of maintenance management of industrial water heat exchangers and water treatment. / Hayashi, Kazuhiro; Tateno, Shigeyuki; Matsuyama, Hisayoshi.

In: Journal of Chemical Engineering of Japan, Vol. 52, No. 1, 01.01.2019, p. 121-129.

Research output: Contribution to journalArticle

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