JPS56130584A - Inner tube supporting structure for double tube type heat exchanger - Google Patents

Inner tube supporting structure for double tube type heat exchanger

Info

Publication number
JPS56130584A
JPS56130584A JP3163880A JP3163880A JPS56130584A JP S56130584 A JPS56130584 A JP S56130584A JP 3163880 A JP3163880 A JP 3163880A JP 3163880 A JP3163880 A JP 3163880A JP S56130584 A JPS56130584 A JP S56130584A
Authority
JP
Japan
Prior art keywords
inner tube
heat exchanger
zinc
tube
support
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
JP3163880A
Other languages
Japanese (ja)
Inventor
Tokiaki Hasegawa
Masamitsu Omiya
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.)
Mitsubishi Power Ltd
Original Assignee
Babcock Hitachi KK
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 Babcock Hitachi KK filed Critical Babcock Hitachi KK
Priority to JP3163880A priority Critical patent/JPS56130584A/en
Publication of JPS56130584A publication Critical patent/JPS56130584A/en
Pending legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D7/10—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged one within the other, e.g. concentrically
    • F28D7/106—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged one within the other, e.g. concentrically consisting of two coaxial conduits or modules of two coaxial conduits
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F19/00—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers
    • F28F19/004—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers by using protective electric currents, voltages, cathodes, anodes, electric short-circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)

Abstract

PURPOSE: To prevent degradation of weldablity and local corrosion of metal coated over the surface of an inner tube, by attaching the same metal as the metal coated over the surface of the inner tube or a metal having a poor potential to the top of each support employed for supporting the inner tube and an outer tube of a heat exchanger concentrically.
CONSTITUTION: In supporting a inner tube 7 plated with zinc over the outer surface thereof and an outer tube 2 made of a low-carbon steel by supports 4 also made of a low-carbon steel which are welded at 6 to the outer tube 2, an aluminum piece 5 is attached to the top of each support 4, so that the support 4 are brought into contact with the outer surface of the inner tube 7 by the intermediary of the pieces 5. Resultantly, potential between the pieces 5 and the zinc plating of the inner tube 7 can be reduced considerably as compared with that developed between steel and zinc of the conventional arrangements. Therefore, it is enabled to prevent self- corrosion of zinc plating over the surface of inner tube 7 due to its pseudo-anodic function.
COPYRIGHT: (C)1981,JPO&Japio
JP3163880A 1980-03-14 1980-03-14 Inner tube supporting structure for double tube type heat exchanger Pending JPS56130584A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3163880A JPS56130584A (en) 1980-03-14 1980-03-14 Inner tube supporting structure for double tube type heat exchanger

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3163880A JPS56130584A (en) 1980-03-14 1980-03-14 Inner tube supporting structure for double tube type heat exchanger

Publications (1)

Publication Number Publication Date
JPS56130584A true JPS56130584A (en) 1981-10-13

Family

ID=12336750

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3163880A Pending JPS56130584A (en) 1980-03-14 1980-03-14 Inner tube supporting structure for double tube type heat exchanger

Country Status (1)

Country Link
JP (1) JPS56130584A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59501273A (en) * 1982-07-16 1984-07-19 ザ　バブコツク　アンド　ウイルコツクス　カンパニ− Heat exchanger and its manufacturing method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59501273A (en) * 1982-07-16 1984-07-19 ザ　バブコツク　アンド　ウイルコツクス　カンパニ− Heat exchanger and its manufacturing method

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