JPH07109293B2 - Boiler wall opening structure - Google Patents
Boiler wall opening structureInfo
- Publication number
- JPH07109293B2 JPH07109293B2 JP61035332A JP3533286A JPH07109293B2 JP H07109293 B2 JPH07109293 B2 JP H07109293B2 JP 61035332 A JP61035332 A JP 61035332A JP 3533286 A JP3533286 A JP 3533286A JP H07109293 B2 JPH07109293 B2 JP H07109293B2
- Authority
- JP
- Japan
- Prior art keywords
- opening
- pipe
- boiler
- fin
- fins
- 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.)
- Expired - Lifetime
Links
- 238000005452 bending Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
Description
【発明の詳細な説明】 産業上の利用分野 本発明は、管及びフィンで構成された壁部を持つボイラ
において、マンホール、覗窓、各種計測座及び連絡管の
貫通部等のための開口部を壁部に形成する構造に関す
る。TECHNICAL FIELD The present invention relates to an opening for a manhole, a peephole, various measuring seats, a penetrating portion of a connecting pipe, etc. in a boiler having a wall portion composed of pipes and fins. The present invention relates to a structure in which a wall is formed.
従来の技術 従来のボイラ壁部の開口部構造として、第４図及び第５
図に示すようなものがある。2. Description of the Related Art As a conventional boiler wall opening structure, FIG. 4 and FIG.
There is something like the one shown in the figure.
これらの図において、１は炉壁管等の管、２はフィン、
３はマンホール等のための開口部であり、管１及びフィ
ン２でボイラの壁部４が構成され、その開口部３におけ
る管１とフィン２との取合部においてフィン２は連続し
ていないので、符号５で示すようにフィン端部を有する
構造となっている。In these figures, 1 is a tube such as a furnace wall tube, 2 is a fin,
Reference numeral 3 is an opening for a manhole or the like, and the wall 1 of the boiler is constituted by the pipe 1 and the fin 2, and the fin 2 is not continuous at the joint between the pipe 1 and the fin 2 in the opening 3. Therefore, as shown by reference numeral 5, the structure has fin end portions.
発明が解決しようとする課題 このように、従来のボイラ壁部の開口部構造によると、
開口部３における管１とフィン２との取合部においてフ
ィン２が連続していないので、フィン端部５が生じる構
造となっており、このため開口部３を形成する管あるい
は近傍の管相互に温度差又は外力等が作用した場合に、
前述のフィン端部５に応力が集中し、ここを起点として
管側にクラックが発生し、ひいては漏洩事故につながる
という問題を有していた。As described above, according to the conventional boiler wall opening structure,
Since the fins 2 are not continuous at the joint between the pipe 1 and the fins 2 in the opening 3, the fin end portion 5 is formed. Therefore, the pipe forming the opening 3 or the adjacent pipes When a temperature difference or external force is applied to
There is a problem that stress concentrates on the fin end portion 5 described above, and a crack is generated on the pipe side starting from this, leading to a leakage accident.
本発明は、このような従来技術の課題を解決するために
なされたもので、ボイラ壁部の開口部を形成するフィン
に端部が生じない構造にして、クラックの発生を防止す
ることを目的とする。The present invention has been made to solve such a problem of the conventional art, and an object thereof is to prevent the occurrence of cracks by providing a structure in which an end portion is not formed in a fin forming an opening portion of a boiler wall portion. And
課題を解決するための手段 上記の課題を解決するために、本発明は、管及びフィン
で構成された壁部を持つボイラにおいて、管を壁面外方
向に立体的に曲げて開口部を形成すると共に、この開口
部を形成する管と管の間に接合されて前記開口部を形成
するフィンを連続して設けたものである。Means for Solving the Problems In order to solve the above-mentioned problems, the present invention is a boiler having a wall portion composed of a tube and fins, in which the tube is three-dimensionally bent outward to form an opening. At the same time, the fins that are joined to each other to form the opening and that form the opening are continuously provided.
作用 上記の手段によれば、ボイラ壁部の開口部を形成するフ
ィンが連続していることにより、フィン端部がなくな
り、したがって開口部を形成する管あるいは近傍の管相
互に温度差又は外力が生じても、応力集中を生じる箇所
がなくなるため、クラックの発生を防止できる。Action According to the above means, since the fins forming the opening of the boiler wall are continuous, there is no fin end portion, so that a temperature difference or an external force is generated between the pipe forming the opening or the pipes in the vicinity. Even if it occurs, there is no place where stress concentration occurs, so that the occurrence of cracks can be prevented.
実施例 以下図面を参照して、本発明の一実施例について詳述す
る。第１図は本発明によるボイラ壁部の開口部構造の一
例を示す正面図、第２図は第１図のII-II線断面図、第
３図は第１図のIII-III線矢視図である。Embodiment An embodiment of the present invention will be described in detail below with reference to the drawings. 1 is a front view showing an example of an opening structure of a boiler wall portion according to the present invention, FIG. 2 is a sectional view taken along line II-II of FIG. 1, and FIG. 3 is a view taken along line III-III of FIG. It is a figure.
これらの図において、１は炉壁管等の管、２はフィン、
３はマンホール等のための開口部であり、管１及びフィ
ン２で構成された壁部４に開口部３を形成するにあたっ
て、本発明は、フィン２の端部をなくすために、管１を
壁面外方向に立体的に曲げて開口部３を形成すると共
に、この開口部３を形成する管１と管１の間に接合され
て開口部３を形成するフィン２を連続して設け、これに
よりフィン端部をなくすようにしたものである。In these figures, 1 is a tube such as a furnace wall tube, 2 is a fin,
Reference numeral 3 is an opening for a manhole or the like, and in forming the opening 3 in the wall portion 4 constituted by the pipe 1 and the fin 2, the present invention is designed to remove the end of the pipe 1 from the pipe 1. The opening 3 is formed by three-dimensionally bending outward in the wall surface, and the fins 2 forming the opening 3 by being joined between the pipe 1 forming the opening 3 and the pipe 1 are continuously provided. Therefore, the fin ends are eliminated.
発明の効果 以上述べたように、本発明によれば、管及びフィンで構
成された壁部を持つボイラにおいて、管を壁面外方向に
立体的に曲げて開口部を形成すると共に、この開口部を
形成する管と管の間に接合されて前記開口部を形成する
フィンを連続して設けて、フィン端部をなくすようにし
ているので、開口部を形成する管あるいは近傍の管相互
に温度差又は外力が生じても、応力集中を生じる箇所が
なくなるため、クラックの発生を防止でき、ボイラの信
頼性の向上が図れる。EFFECTS OF THE INVENTION As described above, according to the present invention, in a boiler having a wall portion composed of a tube and fins, the tube is three-dimensionally bent outward in the wall surface to form an opening portion, and the opening portion is formed. Since the fins that are joined to each other to form the opening and form the opening are continuously provided so as to eliminate the fin end, the temperature of the pipe forming the opening or the adjacent pipes is increased. Even if a difference or an external force occurs, there is no place where stress concentration occurs, so that the occurrence of cracks can be prevented and the reliability of the boiler can be improved.
第１図は本発明によるボイラ壁部の開口部構造の一例を
示す正面図、第２図は第１図のII-II線断面図、第３図
は第１図のIII-III線矢視図、第４図及び第５図は従来
のボイラ壁部の開口部構造を示す正面図である。 １……管、２……フィン、３……開口部、４……ボイラ
壁部。1 is a front view showing an example of an opening structure of a boiler wall portion according to the present invention, FIG. 2 is a sectional view taken along line II-II of FIG. 1, and FIG. 3 is a view taken along line III-III of FIG. FIG. 4, FIG. 5 and FIG. 5 are front views showing the structure of the opening of the conventional boiler wall. 1 ... tube, 2 ... fin, 3 ... opening, 4 ... boiler wall.
───────────────────────────────────────────────────── フロントページの続き (72)発明者 横山 知充 長崎県長崎市飽の浦町１番１号 三菱重工 業株式会社長崎造船所内 (72)発明者 東 準市 長崎県長崎市飽の浦町１番１号 三菱重工 業株式会社長崎造船所内 (56)参考文献 特開 昭62−5002（ＪＰ，Ａ) 特開 昭60−69403（ＪＰ，Ａ) ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Tomomitsu Yokoyama 1-1, Atsunoura-machi, Nagasaki-shi, Nagasaki Mitsubishi Heavy Industries, Ltd. Nagasaki Shipyard (72) Inventor Toji City 1-1, Atsunoura-cho, Nagasaki-shi, Nagasaki Prefecture No. Mitsubishi Heavy Industries Ltd. Nagasaki Shipyard (56) References JP 62-5002 (JP, A) JP 60-69403 (JP, A)
Claims (1)
ラにおいて、管を壁面外方向に立体的に曲げて開口部を
形成すると共に、この開口部を形成する管と管の間に接
合されて前記開口部を形成するフィンを連続して設けた
ことを特徴とするボイラ壁部の開口部構造。1. In a boiler having a wall portion composed of a pipe and fins, the pipe is three-dimensionally bent in the outward direction of the wall surface to form an opening, and the pipe forming the opening is joined between the pipes. An opening structure for a boiler wall, characterized in that fins are formed continuously to form the opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61035332A JPH07109293B2 (en) | 1986-02-21 | 1986-02-21 | Boiler wall opening structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61035332A JPH07109293B2 (en) | 1986-02-21 | 1986-02-21 | Boiler wall opening structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62196504A JPS62196504A (en) | 1987-08-29 |
| JPH07109293B2 true JPH07109293B2 (en) | 1995-11-22 |
Family
ID=12438876
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61035332A Expired - Lifetime JPH07109293B2 (en) | 1986-02-21 | 1986-02-21 | Boiler wall opening structure |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH07109293B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110654523A (en) * | 2018-06-29 | 2020-01-07 | 空中客车营运有限公司 | Pipeline stringer |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2019158267A (en) * | 2018-03-14 | 2019-09-19 | 三菱日立パワーシステムズ株式会社 | Auxiliary side wall bottom structure of coal burning boiler |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5852438U (en) * | 1981-09-30 | 1983-04-09 | 石川島播磨重工業株式会社 | Waste heat recovery equipment |
| JPH0615922B2 (en) * | 1983-09-08 | 1994-03-02 | 三菱重工業株式会社 | Boiler furnace wall structure |
-
1986
- 1986-02-21 JP JP61035332A patent/JPH07109293B2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110654523A (en) * | 2018-06-29 | 2020-01-07 | 空中客车营运有限公司 | Pipeline stringer |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62196504A (en) | 1987-08-29 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |