JPS5438450A - Prevention of corrosion of guide vane of hydraulic machine - Google Patents

Prevention of corrosion of guide vane of hydraulic machine

Info

Publication number
JPS5438450A
JPS5438450A JP10485577A JP10485577A JPS5438450A JP S5438450 A JPS5438450 A JP S5438450A JP 10485577 A JP10485577 A JP 10485577A JP 10485577 A JP10485577 A JP 10485577A JP S5438450 A JPS5438450 A JP S5438450A
Authority
JP
Japan
Prior art keywords
guide vane
corrosion
prevention
hydraulic machine
anticorrosive
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP10485577A
Other languages
Japanese (ja)
Inventor
Nobusuke Takagi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP10485577A priority Critical patent/JPS5438450A/en
Publication of JPS5438450A publication Critical patent/JPS5438450A/en
Pending legal-status Critical Current

Links

Classifications

    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/20—Hydro energy

Landscapes

  • Hydraulic Turbines (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

PURPOSE: To economically prevent corrosion, by spraying an anticorrosive and cavitation-resisting metal on stern flanges of a guide vane and periodically recoating an anticorrosive paint on the entire water contact surface including the sprayed surface.
COPYRIGHT: (C)1979,JPO&Japio
JP10485577A 1977-09-02 1977-09-02 Prevention of corrosion of guide vane of hydraulic machine Pending JPS5438450A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10485577A JPS5438450A (en) 1977-09-02 1977-09-02 Prevention of corrosion of guide vane of hydraulic machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10485577A JPS5438450A (en) 1977-09-02 1977-09-02 Prevention of corrosion of guide vane of hydraulic machine

Publications (1)

Publication Number Publication Date
JPS5438450A true JPS5438450A (en) 1979-03-23

Family

ID=14391880

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10485577A Pending JPS5438450A (en) 1977-09-02 1977-09-02 Prevention of corrosion of guide vane of hydraulic machine

Country Status (1)

Country Link
JP (1) JPS5438450A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5789875U (en) * 1980-11-20 1982-06-02
JPS57188964U (en) * 1981-05-27 1982-11-30
JPH0275622A (en) * 1988-09-13 1990-03-15 Hitachi Ltd Resin composition and its use
US5873700A (en) * 1996-01-26 1999-02-23 Hitachi, Ltd. Hydraulic machine
JP2009203859A (en) * 2008-02-27 2009-09-10 Toshiba Corp Corrosion preventing treatment method for hydro turbine or pump turbine with cover plate, and hydro turbine or pump turbine with cover plate applied with corrosion preventing treatment

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5789875U (en) * 1980-11-20 1982-06-02
JPS57188964U (en) * 1981-05-27 1982-11-30
JPH0275622A (en) * 1988-09-13 1990-03-15 Hitachi Ltd Resin composition and its use
US5873700A (en) * 1996-01-26 1999-02-23 Hitachi, Ltd. Hydraulic machine
CN1078309C (en) * 1996-01-26 2002-01-23 株式会社日立制作所 Water conservancy machinery
JP2009203859A (en) * 2008-02-27 2009-09-10 Toshiba Corp Corrosion preventing treatment method for hydro turbine or pump turbine with cover plate, and hydro turbine or pump turbine with cover plate applied with corrosion preventing treatment

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