JP2522856Y2 - Heat exchanger - Google Patents
Heat exchangerInfo
- Publication number
- JP2522856Y2 JP2522856Y2 JP1991016995U JP1699591U JP2522856Y2 JP 2522856 Y2 JP2522856 Y2 JP 2522856Y2 JP 1991016995 U JP1991016995 U JP 1991016995U JP 1699591 U JP1699591 U JP 1699591U JP 2522856 Y2 JP2522856 Y2 JP 2522856Y2
- Authority
- JP
- Japan
- Prior art keywords
- temperature fluid
- low
- temperature
- tube sheet
- heat transfer
- 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
Landscapes
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本考案は石油、化学、エネルギー
分野において化学反応により生じた熱を回収するために
用いる熱交換器に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a heat exchanger used for recovering heat generated by a chemical reaction in the fields of petroleum, chemistry and energy.
【０００２】[0002]
【従来の技術】この種熱交換器は、図２に一例を示す如
く、中空円筒状に形成した本体胴１内の長手方向両端部
に、高温側及び低温側管板２及び３を対峙させて配置す
ると共に、該管板２，３間に伝熱管４を多数支持させ、
チャンネル部である高温側蓋板部５の高温流体入口７か
ら導入した高温流体９を、上記伝熱管４を通して低温側
蓋板部６の高温流体出口８から排出させるようにし、
又、本体胴１の低温側管板３に近い位置の側壁部に低温
流体入口１０を設けると共に、本体胴１の高温側管板２
に近い位置の側壁部に低温流体出口１１を設け、上記低
温流体入口１０から本体胴１内に流入させた低温流体１
２を、本体胴１内にバッフル１３により形成した低温流
体流路１４を通して上記低温流体出口１１から排出させ
るようにし、伝熱管４内を流通する高温流体９と本体胴
１内の低温流体流路１４を流通する低温流体１２とが伝
熱管４を介して間接的に熱交換させられるようにしてあ
る。2. Description of the Related Art As shown in FIG. 2, in this type of heat exchanger, high-temperature side and low-temperature side tube sheets 2 and 3 are opposed to both longitudinal ends of a main body 1 formed in a hollow cylindrical shape. And a large number of heat transfer tubes 4 are supported between the tube sheets 2 and 3,
The high-temperature fluid 9 introduced from the high-temperature fluid inlet 7 of the high-temperature side cover plate portion 5 serving as a channel portion is discharged from the high-temperature fluid outlet 8 of the low-temperature side cover plate portion 6 through the heat transfer tube 4.
Further, a low-temperature fluid inlet 10 is provided on a side wall portion of the main body 1 near the low-temperature side tube sheet 3, and a high-temperature side tube sheet 2 of the main body 1 is provided.
A low-temperature fluid outlet 11 is provided on a side wall portion near the low-temperature fluid 1, and the low-temperature fluid 1
2 is discharged from the low-temperature fluid outlet 11 through a low-temperature fluid flow path 14 formed by a baffle 13 in the main body 1, and the high-temperature fluid 9 flowing through the heat transfer tube 4 and the low-temperature fluid flow path in the main body 1 Heat is indirectly exchanged with the low temperature fluid 12 flowing through the heat transfer tube 4.
【０００３】[0003]
【考案が解決しようとする課題】ところが、上記型式の
熱交換器の場合、管板２，３の肉厚が、伝熱管４を取り
付けるために最も厚くなるので、特に、高温流体９と接
する高温側管板２の管群部との隣接部及び本体胴１への
取付部に高い熱応力が発生する問題がある。すなわち、
上記管板２は伝熱管４と本体胴１の境界をなし、且つ伝
熱管４のフィン効果により管板２の管群部は比較的低温
になるがその外周部は高温となって温度差が生じるた
め、温度差による高い熱応力が境界部に発生してしま
う。However, in the case of a heat exchanger of the above-mentioned type, the thickness of the tube sheets 2 and 3 is the largest for mounting the heat transfer tube 4, and therefore, particularly, the temperature of the heat exchanger 9 in contact with the high-temperature fluid 9 is high. There is a problem that a high thermal stress is generated in a portion of the side tube sheet 2 adjacent to the tube group and a portion attached to the main body 1. That is,
The tube sheet 2 forms a boundary between the heat transfer tube 4 and the main body 1, and the fin effect of the heat transfer tube 4 causes the tube group of the tube sheet 2 to have a relatively low temperature, but the outer peripheral portion thereof has a high temperature and the temperature difference is high. Therefore, high thermal stress due to the temperature difference is generated at the boundary.
【０００４】そこで、本考案は、管板の温度差を小さく
して熱応力を低減させるようにしようとするものであ
る。Accordingly, the present invention is to reduce the temperature difference between the tube sheets to reduce the thermal stress.
【０００５】[0005]
【課題を解決するための手段】本考案は、上記課題を解
決するために、本体胴内の高温流体入口側と高温流体出
口側の各端部に設けた高温側管板と低温側管板の間に伝
熱管を支持させ、該両管板間の位置に形成した低温流体
流路を流通させる低温流体と上記伝熱管内を流通させる
高温流体とを伝熱管を介して熱交換させるようにしてあ
る熱交換器において、上記高温側管板と本体胴とでコー
ナーをなす高温側管板の高温流体入口側に面する外周部
に、本体胴外へ開口する排出口を有する環状のチャンバ
ーを形成し、且つ上記高温側管板の外周部のみに、上記
チャンバーと低温流体流路とを連通させる貫通孔を穿設
してなる構成とする。SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention is to provide a structure in which a high-temperature side tube sheet and a low-temperature side tube sheet provided at each end of a high temperature fluid inlet side and a high temperature fluid outlet side in a main body are provided. A heat transfer tube is supported, and heat exchange is performed between the low-temperature fluid flowing through the low-temperature fluid passage formed at the position between the two tube plates and the high-temperature fluid flowing through the heat transfer tube through the heat transfer tube. In the heat exchanger, an annular chamber having an outlet opening to the outside of the main body shell is formed on an outer peripheral portion facing the high temperature fluid inlet side of the high temperature side tube sheet forming a corner between the high temperature side tube sheet and the main body body. In addition, a through hole for communicating the chamber and the low-temperature fluid flow path is formed only in the outer peripheral portion of the high-temperature side tube sheet.
【０００６】[0006]
【作用】高温流体と低温流体が熱交換されるとき、低温
流体流路を流通する低温流体の一部が高温側管板の貫通
孔を通ってチャンバー内に流入し、排出口から排出され
る。したがって、上記低温流体がチャンバー内を流通す
ることにより高温側管板の管群部の外周部分の伝熱が促
進され、熱応力が低減されることになる。When the high-temperature fluid and the low-temperature fluid undergo heat exchange, a part of the low-temperature fluid flowing through the low-temperature fluid flow path flows into the chamber through the through hole of the high-temperature side tube sheet, and is discharged from the discharge port. . Therefore, the flow of the low-temperature fluid in the chamber promotes heat transfer in the outer peripheral portion of the tube group of the high-temperature side tube sheet, and reduces thermal stress.
【０００７】[0007]
【実施例】以下、図面に基づき本考案の実施例を説明す
る。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings.
【０００８】図１は本考案の一実施例を示すもので、図
２に示す熱交換器と同様な構成において、高温側管板２
の管群部外周部位置のみに、該管板２を厚さ方向に貫通
する貫通孔１５を周方向適宜間隔にて穿設し、低温流体
流路１４を流通する低温流体１２の一部を貫通孔１５を
通して高温側蓋板部５側へ流入させられるようにし、且
つ上記管板２と本体胴１とでコーナーをなす管板２の高
温側蓋板部５側に面する外周部に、上記貫通孔１５を通
って流入してきた低温流体１２を流通させるためのチャ
ンバー１６を環状に形成し、更に、該チャンバー１６内
を流通する低温流体１２を本体胴１外へ排出するための
排出口１７を、本体胴１のチャンバー１６と対応する位
置に開口させた構成とする。FIG. 1 shows an embodiment of the present invention. In the configuration similar to that of the heat exchanger shown in FIG.
Only through-holes 15 penetrating the tube sheet 2 in the thickness direction are formed at appropriate intervals in the circumferential direction only at the outer peripheral portion of the tube group portion, and a part of the low-temperature fluid 12 flowing through the low-temperature fluid flow path 14 is formed. Through the through hole 15, it is allowed to flow into the high temperature side cover plate portion 5 side, and at the outer peripheral portion facing the high temperature side cover plate portion 5 side of the tube sheet 2 forming a corner between the tube sheet 2 and the main body 1, A chamber 16 for flowing the low-temperature fluid 12 flowing through the through-hole 15 is formed in an annular shape, and an outlet for discharging the low-temperature fluid 12 flowing in the chamber 16 to the outside of the main body 1. 17 is opened at a position corresponding to the chamber 16 of the main body 1.
【０００９】高温流体９と低温流体１２の熱交換は図２
に示す熱交換器の場合と同様に行われるが、本考案で
は、高温側管板２の高温側蓋板部５側の外周面部に環状
のチャンバー１６が形成され、且つ該チャンバー１６と
低温流体流路１４が連通するように管板２に貫通孔１５
が設けてあるため、低温流体出口１１から排出されるべ
き低温流体１２の一部が上記貫通孔１５を通ってチャン
バー１６内に流入し、チャンバー１６の排出口１７から
本体胴１外へ排出される。したがって、低温流体１２が
チャンバー１６内を流通させられることにより管板２の
外周部が冷却されることになって伝熱が促進されるた
め、管板２の管群部とその外周部との温度差が小さくな
り、熱応力を低減することができる。The heat exchange between the high temperature fluid 9 and the low temperature fluid 12 is shown in FIG.
In the present invention, an annular chamber 16 is formed on the outer peripheral surface of the high-temperature side tube sheet 2 on the high-temperature side lid plate portion 5 side, and the chamber 16 is connected to the low-temperature fluid. The through holes 15 are formed in the tube sheet 2 so that the flow paths 14 communicate with each other.
Is provided, a part of the low-temperature fluid 12 to be discharged from the low-temperature fluid outlet 11 flows into the chamber 16 through the through-hole 15 and is discharged from the discharge port 17 of the chamber 16 to the outside of the main body 1. You. Therefore, since the outer peripheral portion of the tube sheet 2 is cooled by flowing the low-temperature fluid 12 through the chamber 16 and heat transfer is promoted, the pipe group of the tube sheet 2 and the outer peripheral portion thereof are connected. The temperature difference is reduced, and the thermal stress can be reduced.
【００１０】なお、本考案は上記実施例にのみ限定され
るものではなく、本考案の要旨を逸脱しない範囲内にお
いて種々変更を加え得ることは勿論である。[0010] The present invention is not limited to the above-described embodiment, and it is a matter of course that various changes can be made without departing from the scope of the present invention.
【００１１】[0011]
【考案の効果】以上述べた如く、本考案の熱交換器によ
れば、高温側管板と本体胴とでコーナー部をなす高温側
管板の高温流体入口側面部の外周部に、本体胴外へ開口
する排出口を有する環状のチャンバーを形成し、且つ該
チャンバーと低温流体流路とを連通させる貫通孔を上記
高温側管板の外周部のみに穿設したので、低温流体流路
の低温流体の一部をチャンバーへ流入させて流通させる
ことができ、これにより高温側管板の管群部の外周部分
の伝熱を改善することができ、高温側管板の管群部とそ
の外周部の温度差を小さくできて熱応力を低減すること
ができ、信頼性を向上することができる、という優れた
効果を発揮する。As described above, according to the heat exchanger of the present invention, the main body shell is formed on the outer peripheral portion of the high temperature fluid inlet side surface of the high temperature side tube sheet which forms a corner between the high temperature side tube sheet and the main body body. An annular chamber having an outlet opening to the outside was formed, and a through-hole for communicating the chamber with the low-temperature fluid flow path was formed only in the outer peripheral portion of the high-temperature side tube sheet. A part of the low-temperature fluid can flow into the chamber and be circulated, thereby improving the heat transfer at the outer peripheral portion of the tube group of the high-temperature side tube sheet, and improving the heat transfer of the tube group of the high-temperature side tube sheet and its An excellent effect that the temperature difference in the outer peripheral portion can be reduced, the thermal stress can be reduced, and the reliability can be improved.
【図１】本考案の熱交換器の一実施例を示す概略断面図
である。FIG. 1 is a schematic sectional view showing an embodiment of the heat exchanger of the present invention.
【図２】従来の熱交換器の一例を示す概略断面図であ
る。FIG. 2 is a schematic sectional view showing an example of a conventional heat exchanger.
１ 本体胴 ２ 高温側管板 ３ 低温側管板 ４ 伝熱管 ７ 高温流体入口 ８ 高温流体出口 ９ 高温流体 １２ 低温流体 １４ 低温流体流路 １５ 貫通孔 １６ チャンバー １７ 排出口 DESCRIPTION OF SYMBOLS 1 Main body 2 High temperature side tube sheet 3 Low temperature side sheet plate 4 Heat transfer tube 7 High temperature fluid inlet 8 High temperature fluid outlet 9 High temperature fluid 12 Low temperature fluid 14 Low temperature fluid flow path 15 Through hole 16 Chamber 17 Outlet
Claims (1)
口側の各端部に設けた高温側管板と低温側管板の間に伝
熱管を支持させ、該両管板間の位置に形成した低温流体
流路を流通させる低温流体と上記伝熱管内を流通させる
高温流体とを伝熱管を介して熱交換させるようにしてあ
る熱交換器において、上記高温側管板と本体胴とでコー
ナーをなす高温側管板の高温流体入口側に面する外周部
に、本体胴外へ開口する排出口を有する環状のチャンバ
ーを形成し、且つ上記高温側管板の外周部のみに、上記
チャンバーと低温流体流路とを連通させる貫通孔を穿設
してなることを特徴とする熱交換器。1. A heat transfer tube is supported between a high-temperature side tube sheet and a low-temperature side tube sheet provided at each end of a high-temperature fluid inlet side and a high-temperature fluid outlet side in a main body, and formed at a position between the two tube sheets. In the heat exchanger, heat is exchanged between the low-temperature fluid flowing through the low-temperature fluid flow path and the high-temperature fluid flowing through the heat transfer tube through the heat transfer tube. An annular chamber having an outlet opening to the outside of the main body is formed at an outer peripheral portion facing the high temperature fluid inlet side of the high temperature side tube sheet, and only the outer peripheral portion of the high temperature side tube sheet has the chamber and A heat exchanger comprising a through-hole for communicating with a low-temperature fluid flow path.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1991016995U JP2522856Y2 (en) | 1991-03-01 | 1991-03-01 | Heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1991016995U JP2522856Y2 (en) | 1991-03-01 | 1991-03-01 | Heat exchanger |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH04108183U JPH04108183U (en) | 1992-09-18 |
| JP2522856Y2 true JP2522856Y2 (en) | 1997-01-16 |
Family
ID=31903846
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1991016995U Expired - Lifetime JP2522856Y2 (en) | 1991-03-01 | 1991-03-01 | Heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2522856Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20170016433A (en) | 2014-06-06 | 2017-02-13 | 신에쓰 가가꾸 고교 가부시끼가이샤 | Primer composition |
| KR20190046803A (en) | 2016-09-09 | 2019-05-07 | 신에쓰 가가꾸 고교 가부시끼가이샤 | The primer composition and the curtain wall unit |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL7905640A (en) * | 1978-09-14 | 1980-03-18 | Borsig Gmbh | HEAT EXCHANGER PROVIDED WITH A PIPE BUNDLE. |
-
1991
- 1991-03-01 JP JP1991016995U patent/JP2522856Y2/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20170016433A (en) | 2014-06-06 | 2017-02-13 | 신에쓰 가가꾸 고교 가부시끼가이샤 | Primer composition |
| KR20190046803A (en) | 2016-09-09 | 2019-05-07 | 신에쓰 가가꾸 고교 가부시끼가이샤 | The primer composition and the curtain wall unit |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH04108183U (en) | 1992-09-18 |
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