JPS58154392U - Fixed structure of tubular heat exchanger cooling pipes - Google Patents

Fixed structure of tubular heat exchanger cooling pipes

Info

Publication number
JPS58154392U
JPS58154392U JP4929682U JP4929682U JPS58154392U JP S58154392 U JPS58154392 U JP S58154392U JP 4929682 U JP4929682 U JP 4929682U JP 4929682 U JP4929682 U JP 4929682U JP S58154392 U JPS58154392 U JP S58154392U
Authority
JP
Japan
Prior art keywords
heat exchanger
tubular heat
tube
cooling pipe
fixed structure
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
JP4929682U
Other languages
Japanese (ja)
Inventor
鈴木　守一
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 JP4929682U priority Critical patent/JPS58154392U/en
Publication of JPS58154392U publication Critical patent/JPS58154392U/en
Pending legal-status Critical Current

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  • Details Of Heat-Exchange And Heat-Transfer (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図及び第２図は、従来の冷却管と管板の取付方法を
示す断面図、第３図及び第５図から第８図は本考案の冷
却管に溝或は研磨疵を設けた場合の断面図、第４図は溝
を設けた冷却管のエキスバンド後の管板との密着状態を
示す、部分詳細断面図である。Figures 1 and 2 are cross-sectional views showing the conventional method of attaching a cooling pipe to a tube plate, and Figures 3 and 5 to 8 show grooves or polishing scratches in the cooling pipe of the present invention. FIG. 4 is a partially detailed sectional view showing the state in which the grooved cooling pipe is in close contact with the tube sheet after being expanded.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 冷却管と管板より成る管式熱交換器において、前記冷却
管のエキスバンド部外面の円周方向に、はぼ三角形状の
荷、或は研磨等により外面に粗く疵を設けた前記冷却管
を前記管板の管穴に挿入し、その後、前記冷却管をエキ
スパンダにより前記管穴内面に強く押し広げ、はぼ三角
形状の溝、或は研磨等による疵に前記管板材が食い込み
、密着するように構成した事を特徴とする管式熱交換器
冷却管の固定構造。In a tubular heat exchanger consisting of a cooling pipe and a tube plate, the cooling pipe has a roughly triangular load or rough scratches on the outer surface by polishing or the like in the circumferential direction of the outer surface of the expanded portion of the cooling pipe. is inserted into the tube hole of the tube sheet, and then the cooling tube is strongly pushed out against the inner surface of the tube hole using an expander, and the tube sheet material bites into the roughly triangular groove or the scratches caused by polishing, etc., and adheres tightly. A fixed structure for a cooling pipe of a tubular heat exchanger, characterized in that it is configured to.
JP4929682U 1982-04-07 1982-04-07 Fixed structure of tubular heat exchanger cooling pipes Pending JPS58154392U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4929682U JPS58154392U (en) 1982-04-07 1982-04-07 Fixed structure of tubular heat exchanger cooling pipes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4929682U JPS58154392U (en) 1982-04-07 1982-04-07 Fixed structure of tubular heat exchanger cooling pipes

Publications (1)

Publication Number Publication Date
JPS58154392U true JPS58154392U (en) 1983-10-15

Family

ID=30060160

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4929682U Pending JPS58154392U (en) 1982-04-07 1982-04-07 Fixed structure of tubular heat exchanger cooling pipes

Country Status (1)

Country Link
JP (1) JPS58154392U (en)

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