JPS59108007U - Structure of spacer part of boiler heat exchanger tube - Google Patents
Structure of spacer part of boiler heat exchanger tubeInfo
- Publication number
- JPS59108007U JPS59108007U JP260083U JP260083U JPS59108007U JP S59108007 U JPS59108007 U JP S59108007U JP 260083 U JP260083 U JP 260083U JP 260083 U JP260083 U JP 260083U JP S59108007 U JPS59108007 U JP S59108007U
- Authority
- JP
- Japan
- Prior art keywords
- heat exchanger
- exchanger tube
- spacer
- boiler heat
- welded
- 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
Links
Landscapes
- Details Of Heat-Exchange And Heat-Transfer (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (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) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は、従来のボイラの再熱器、過熱器の構成図、第
２図ａは、高温腐食を生じたスペーサ取付部の断面図、
第２図すは、上記第２図ａのＡ−°Ａ断面図、第３図は
、この考案のもととなった高温腐食試験結果、第４図は
、この考案の一実施例の断面図、第５図ａは、上記第４
図のＡ−Ａ断面図、第５図す乃至第８図は、それぞれ他
の実施例の断面図を示す。
符号の説明、１・・・・・・再熱管寄、２・・・・・・
過熱管寄、３・・・・・・再熱器、４・・・・・・過熱
器、５・・・・・・スペーサ、６・・・・・・灰、７・
・・・・・伝熱管、８・・・・・・肉盛金属、９・・・
・・・止端部。Fig. 1 is a block diagram of a conventional boiler reheater and superheater, Fig. 2a is a sectional view of a spacer mounting part that has suffered high-temperature corrosion,
Figure 2 is a sectional view taken along line A-A in Figure 2a above, Figure 3 is the high temperature corrosion test results that are the basis of this invention, and Figure 4 is a cross section of an embodiment of this invention. Figure 5a shows the above-mentioned
The AA sectional view in the figure and FIGS. 5 to 8 show sectional views of other embodiments, respectively. Explanation of symbols, 1... Reheat header, 2...
Superheating header, 3... Reheater, 4... Superheater, 5... Spacer, 6... Ash, 7.
... Heat exchanger tube, 8 ... Overlay metal, 9 ...
...Toe.
Claims (3)
傍を耐食・匝の優れた材料で肉盛溶着したことを特徴と
するボイラ伝熱管のスペーサ部の構造。(1) A structure of a spacer portion of a boiler heat exchanger tube, characterized in that the spacer attachment portion of the boiler heat exchanger tube and the vicinity of the spacer are overlaid by welding with a material having excellent corrosion resistance and strength.
は９Ｃｒまたは１２Ｃｒ系材料を、上記伝熱管がオース
テナイト系ステンレス鋼の場合は母材よりもＣｒ量の高
いオーステナイト系ステンレス鋼または高合金を肉盛溶
着したことを特徴とする実用新案登録請求の範囲第１項
記載のボイラ伝熱管のスペーサ部の構造。(2) As the overlay material, if the heat exchanger tube is made of low alloy steel, use 9Cr or 12Cr type material, and if the heat exchanger tube is made of austenitic stainless steel, use austenitic stainless steel or austenitic stainless steel with a higher Cr content than the base material. The structure of a spacer portion of a boiler heat exchanger tube according to claim 1, which is characterized in that a high alloy is welded overlay.
少なくとも５０ｗｎ以上、肉盛溶着する厚さを２乃至５
７７１７７１とし、肉盛溶着部の表面を滑らかにすると
ともに、該肉盛溶着部の端部をテーパ仕上げにしたこと
を特徴とする実用新案登録請求の範囲第１項または第２
項記載のボイラ伝熱管のスペーサ部の構造。(3) The area to be overlaid welded is at least 50wn from the end of the spacer, and the thickness to be overlay welded is 2 to 5 mm.
771771, the surface of the built-up welded part is made smooth, and the end of the built-up welded part is tapered. Claim 1 or 2
The structure of the spacer part of the boiler heat exchanger tube described in .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP260083U JPS59108007U (en) | 1983-01-12 | 1983-01-12 | Structure of spacer part of boiler heat exchanger tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP260083U JPS59108007U (en) | 1983-01-12 | 1983-01-12 | Structure of spacer part of boiler heat exchanger tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59108007U true JPS59108007U (en) | 1984-07-20 |
Family
ID=30134258
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP260083U Pending JPS59108007U (en) | 1983-01-12 | 1983-01-12 | Structure of spacer part of boiler heat exchanger tube |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59108007U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2019066065A (en) * | 2017-09-29 | 2019-04-25 | 三菱日立パワーシステムズ株式会社 | Boiler repair content selection method and boiler repair content selection device |
-
1983
- 1983-01-12 JP JP260083U patent/JPS59108007U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2019066065A (en) * | 2017-09-29 | 2019-04-25 | 三菱日立パワーシステムズ株式会社 | Boiler repair content selection method and boiler repair content selection device |
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