JPS5447008A - Device for reducing thermal stress of pipe plates of steam generator - Google Patents

Device for reducing thermal stress of pipe plates of steam generator

Info

Publication number
JPS5447008A
JPS5447008A JP11216077A JP11216077A JPS5447008A JP S5447008 A JPS5447008 A JP S5447008A JP 11216077 A JP11216077 A JP 11216077A JP 11216077 A JP11216077 A JP 11216077A JP S5447008 A JPS5447008 A JP S5447008A
Authority
JP
Japan
Prior art keywords
pipe plates
thermal stress
steam generator
plates
pipe
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
JP11216077A
Other languages
Japanese (ja)
Inventor
Yasuo Ishizaki
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 JP11216077A priority Critical patent/JPS5447008A/en
Publication of JPS5447008A publication Critical patent/JPS5447008A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To make easy the temperature gradient of pipe plates of steam generator and reduce the thermal stress of the plates at emergency stop, by providing a cylindrical heat insulator plate around the pipe plates.
CONSTITUTION: In the steam generator, two pipe plates 2 are provided in a barrel 1 and coupled to each other by a plurality of heat transfer pipes 3. The cylindrical heat insulator plate 5 is fitted concentrically with the barrel 1 at the sides of the pipe plates 2 opposite to the heat transfer pipes 3. Thereby, the temperature gradient of the pipe plates 2 is made easy at emergency stop, the concentration of thermal stress in the corners, at which the barrel 1 is coupled to the pipe plates, is prevented, and the thermal stress is reduced
COPYRIGHT: (C)1979,JPO&Japio
JP11216077A 1977-09-20 1977-09-20 Device for reducing thermal stress of pipe plates of steam generator Pending JPS5447008A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11216077A JPS5447008A (en) 1977-09-20 1977-09-20 Device for reducing thermal stress of pipe plates of steam generator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11216077A JPS5447008A (en) 1977-09-20 1977-09-20 Device for reducing thermal stress of pipe plates of steam generator

Publications (1)

Publication Number Publication Date
JPS5447008A true JPS5447008A (en) 1979-04-13

Family

ID=14579730

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11216077A Pending JPS5447008A (en) 1977-09-20 1977-09-20 Device for reducing thermal stress of pipe plates of steam generator

Country Status (1)

Country Link
JP (1) JPS5447008A (en)

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