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JPS5655594A - Manufacture of absorbing plate for solar heat - Google Patents

Manufacture of absorbing plate for solar heat

Info

Publication number
JPS5655594A
JPS5655594A JP13049779A JP13049779A JPS5655594A JP S5655594 A JPS5655594 A JP S5655594A JP 13049779 A JP13049779 A JP 13049779A JP 13049779 A JP13049779 A JP 13049779A JP S5655594 A JPS5655594 A JP S5655594A
Authority
JP
Japan
Prior art keywords
steel plate
potential
plate
stainless steel
platinum
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
JP13049779A
Other languages
Japanese (ja)
Inventor
Jiro Ono
Shuichi Kondo
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.)
Nippon Steel Corp
Original Assignee
Nippon Steel Corp
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 Nippon Steel Corp filed Critical Nippon Steel Corp
Priority to JP13049779A priority Critical patent/JPS5655594A/en
Publication of JPS5655594A publication Critical patent/JPS5655594A/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
    • Y02E10/40—Solar thermal energy, e.g. solar towers

Landscapes

  • Electrochemical Coating By Surface Reaction (AREA)

Abstract

PURPOSE: To mass-produce an absorbing plate described in the title having stable selective absorption characteristics, by immersing a stainless steel plate as a cathode and a platinum plate an anode in a mixed sulfuric acid-chromic acid soln. to form oxide film on the surface of the steel plate until prescribed potential difference is shown between both electrodes.
CONSTITUTION: A ferrite stainless steel plate 3 and a platinum plate 4 are immersed in a sulfuric acid-chromic anhydride mixed soln. 2 contained in a storage tank 1, and a high impedance electrometer 5 is connected between the steel plate 3 as a cathode and the platinum plate 4 as an anode. Then oxide film is formed on the surface of the stainless steel plate unitl the potential difference on the basis of coloring-initiating potential which is the minimum potential on a potential curve between the immersion time and potential attains 6W10mV. This process is more preferable than conventional process for mass production, and allows to manufacture absorbing plate having stable selective absorption characteristics and very good characteristics for the solar heat.
COPYRIGHT: (C)1981,JPO&Japio
JP13049779A 1979-10-09 1979-10-09 Manufacture of absorbing plate for solar heat Pending JPS5655594A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13049779A JPS5655594A (en) 1979-10-09 1979-10-09 Manufacture of absorbing plate for solar heat

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13049779A JPS5655594A (en) 1979-10-09 1979-10-09 Manufacture of absorbing plate for solar heat

Publications (1)

Publication Number Publication Date
JPS5655594A true JPS5655594A (en) 1981-05-16

Family

ID=15035674

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13049779A Pending JPS5655594A (en) 1979-10-09 1979-10-09 Manufacture of absorbing plate for solar heat

Country Status (1)

Country Link
JP (1) JPS5655594A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5735700A (en) * 1980-08-12 1982-02-26 Matsushita Electric Ind Co Ltd Formation of selective absorption membrane for solar energy
JPS6057157A (en) * 1983-09-07 1985-04-02 Nippon Electric Glass Co Ltd Method for manufacturing solar heat collector

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5225817A (en) * 1975-08-21 1977-02-26 Tomi Riyouke Centrifugal molding apparatus for mass production of concrete products

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5225817A (en) * 1975-08-21 1977-02-26 Tomi Riyouke Centrifugal molding apparatus for mass production of concrete products

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5735700A (en) * 1980-08-12 1982-02-26 Matsushita Electric Ind Co Ltd Formation of selective absorption membrane for solar energy
JPS6057157A (en) * 1983-09-07 1985-04-02 Nippon Electric Glass Co Ltd Method for manufacturing solar heat collector
JPH0128864B2 (en) * 1983-09-07 1989-06-06 Nippon Electric Glass Co

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