Title:
METHOD FOR IMPROVING HEAT-TRANSFER EFFICIENCY OF HEAT EXCHANGER
Document Type and Number:
WIPO Patent Application WO/2023/228525
Kind Code:
A1
Abstract:
A method for improving heat-transfer efficiency of a heat exchanger by forming a water-repellent film on the surface of the heat exchanger, said method being characterized in that the water-repellent film is formed by bringing the heat exchanger into contact with a liquid comprising an acid and a water-repellent-film-forming substance. A method for improving heat-transfer efficiency of a heat exchanger by forming a water-repellent film on the surface of the heat exchanger, said method being characterized in that the water-repellent film is formed by bringing the heat exchanger into contact with a liquid containing an acidic water-repellent-film-forming substance.
Inventors:
WATANABE KAZUYA (JP)
KOIZUMI MASAKAZU (JP)
YOSHIKAWA TADAYOSHI (JP)
KOIZUMI MASAKAZU (JP)
YOSHIKAWA TADAYOSHI (JP)
Application Number:
PCT/JP2023/009849
Publication Date:
November 30, 2023
Filing Date:
March 14, 2023
Export Citation:
Assignee:
KURITA WATER IND LTD (JP)
International Classes:
F28F13/18; C23C26/00
Foreign References:
| JP2006322627A | 2006-11-30 | |||
| JPH02179884A | 1990-07-12 | |||
| JPS5135641A | 1976-03-26 | |||
| JP2002285361A | 2002-10-03 | |||
| JP2019158255A | 2019-09-19 |
Attorney, Agent or Firm:
SHIGENO, Tsuyoshi et al. (JP)
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