JPH0749243Y2 - Exhaust heat recovery device - Google Patents
Exhaust heat recovery deviceInfo
- Publication number
- JPH0749243Y2 JPH0749243Y2 JP1730290U JP1730290U JPH0749243Y2 JP H0749243 Y2 JPH0749243 Y2 JP H0749243Y2 JP 1730290 U JP1730290 U JP 1730290U JP 1730290 U JP1730290 U JP 1730290U JP H0749243 Y2 JPH0749243 Y2 JP H0749243Y2
- Authority
- JP
- Japan
- Prior art keywords
- exhaust
- air supply
- duct
- passage
- recovery device
- 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
【考案の詳細な説明】 産業上の利用分野 この考案は、工業用、空気調和用などとして使用される
排熱回収装置に関する。DETAILED DESCRIPTION OF THE INVENTION Industrial Field of the Invention The present invention relates to an exhaust heat recovery device used for industrial purposes, air conditioning, etc.
この明細書において、左右は第1図の左右を指すものと
する。また、上下は第2図の上下を指すものとする。In this specification, the left and right refer to the left and right in FIG. The upper and lower sides refer to the upper and lower sides of FIG.
従来の技術 従来、排熱回収装置として、ケーシング内に1つの仕切
り壁が設けられ、該仕切り壁によって高温排気通路と、
低温給気通路とが形成され、ケーシングに高温排気通路
と連通する入口側排気ダクトおよび出口側排気ダクトが
接続されるとともに、低温給気通路と連通する入口側給
気ダクトおよび出口側給気ダクトが接続され、仕切り壁
を貫通しかつ2つの通路にまたがって複数本のヒートパ
イプが配置されたものが知られている。通常、各ダクト
におけるケーシング側の端部には、ケーシング側から遠
ざかるにつれて細くなった部分が設けられている。2. Description of the Related Art Conventionally, as an exhaust heat recovery device, one partition wall is provided in a casing, and the partition wall forms a high temperature exhaust passage,
A low temperature air supply passage is formed, an inlet side exhaust duct and an outlet side exhaust duct which communicate with the high temperature exhaust passage are connected to the casing, and an inlet side air supply duct and an outlet side air supply duct which communicate with the low temperature air supply passage. Is known, in which a plurality of heat pipes are arranged so as to penetrate through the partition wall and extend over two passages. Usually, the end portion on the casing side of each duct is provided with a portion that becomes thinner as it goes away from the casing side.
考案が解決しようとする課題 従来の排熱回収装置では、ケーシングの高温排気通路内
および低温給気通路内で偏流が発生し、その結果流体が
流れる部分と流れない部分とが混在するようになって排
熱回収効率が低下するという問題がある。しかも、これ
を防止するためには排熱回収装置全体を大型化しなけれ
ばならない。さらに、高温排気通路に排気を導入する入
口側排気ダクト内において、その中を流れる排気の温度
が上下で不均一となるので、高温排気通路内の排気の温
度分布も不均一となり、やはり排熱回収効率の低下の原
因となるという問題がある。DISCLOSURE OF THE INVENTION Problems to be Solved by the Invention In the conventional exhaust heat recovery device, a nonuniform flow occurs in the high temperature exhaust passage and the low temperature air supply passage of the casing, and as a result, a portion where the fluid flows and a portion where the fluid does not flow are mixed. Therefore, there is a problem that the exhaust heat recovery efficiency decreases. Moreover, in order to prevent this, it is necessary to increase the size of the entire exhaust heat recovery device. Further, in the inlet-side exhaust duct that introduces the exhaust gas into the high-temperature exhaust passage, the temperature of the exhaust gas flowing therein becomes uneven up and down, so the temperature distribution of the exhaust gas in the high-temperature exhaust passage also becomes uneven, and the exhaust heat There is a problem that it causes a decrease in recovery efficiency.
この考案の目的は、上記問題を解決した排熱回収装置を
提供することにある。An object of the present invention is to provide an exhaust heat recovery device that solves the above problems.
課題を解決するための手段 この考案による排熱回収装置は、ケーシング内に1つの
仕切り壁が設けられるとともに仕切り壁によって、高温
排気通路と低温給気通路とが形成され、ケーシングに高
温排気通路と連通する入口側排気ダクトおよび出口側排
気ダクトが接続されるとともに、低温給気通路と連通す
る入口側給気ダクトおよび出口側給気ダクトが接続さ
れ、仕切り壁に貫通しかつ2つの通路にまたがって複数
本のヒートパイプが配置された排熱回収装置において、
入口側排気ダクトおよび入口側給気ダクト内にそれぞれ
上下にのびる偏流防止用整流板が配置され、入口側排気
ダクト内の整流板が、上下方向に熱を伝達しうるヒート
パイプ部を備えているものである。Means for Solving the Problems In an exhaust heat recovery device according to the present invention, one partition wall is provided in a casing, and a high temperature exhaust passage and a low temperature supply passage are formed by the partition wall, and a high temperature exhaust passage is formed in the casing. The inlet-side exhaust duct and the outlet-side exhaust duct that communicate with each other are connected, and the inlet-side air supply duct and the outlet-side air supply duct that communicate with the low-temperature air supply passage are connected and penetrate the partition wall and span two passages. In the exhaust heat recovery device where multiple heat pipes are arranged,
Upflow and downflow straightening vanes are respectively arranged in the inlet side exhaust duct and the inlet side air supply duct, and the straightening plate in the inlet side exhaust duct is provided with a heat pipe part capable of vertically transferring heat. It is a thing.
作用 この考案の排熱回収装置によれば、整流板の働きによ
り、ケーシングの高温排気通路内および低温給気通路内
での偏流の発生、およびこれにともなう流体流通部分と
非流通部分との混在が防止される。さらに、整流板のヒ
ートパイプ部の働きにより、高温排気通路に排気を導入
する入口側排気ダクト内を流れる排気の上下の温度分布
が均一となる。Effect According to the exhaust heat recovery device of the present invention, due to the function of the straightening plate, uneven flow is generated in the high temperature exhaust passage and the low temperature air supply passage of the casing, and the fluid flowing portion and the non-circulating portion are mixed with it. Is prevented. Further, due to the function of the heat pipe portion of the straightening vane, the temperature distribution above and below the exhaust gas flowing in the inlet side exhaust duct for introducing the exhaust gas into the high temperature exhaust passage becomes uniform.
実施例 以下、この考案の実施例を、図面を参照して説明する。Embodiment An embodiment of the present invention will be described below with reference to the drawings.
第1図および第2図において、排熱回収装置(1)は、
ケーシング(2)内に仕切り壁(3)が設けられるとと
もに該仕切り壁(3)によって、高温排気通路(4)と
低温給気通路(5)とが形成され、ケーシング(2)
に、高温排気通路(4)と連通する入口側排気ダクト
(6)および出口側排気ダクト(7)が接続されるとと
もに、低温給気通路(5)と連通する入口側給気ダクト
(8)および出口側給気ダクト(9)が接続され、仕切
り壁(3)を貫通しかつ2つの通路(4)(5)にまた
がって外周面にスパライル状フィン(12)が形成された
複数本のヒートパイプ(11)が配置され、入口側排気ダ
クト(6)および入口側給気ダクト(8)内にそれぞれ
上下にのびる偏流防止用整流板(13)(14)が配置され
たものである。1 and 2, the exhaust heat recovery device (1) is
A partition wall (3) is provided in the casing (2), and a high temperature exhaust passage (4) and a low temperature air supply passage (5) are formed by the partition wall (3) to form a casing (2).
An inlet side exhaust duct (6) and an outlet side exhaust duct (7) communicating with the high temperature exhaust passage (4) are connected to the inlet side air supply duct (8) communicating with the low temperature supply passage (5). And the outlet side air supply duct (9) are connected, penetrate the partition wall (3) and straddle two passages (4) and (5). The heat pipe (11) is arranged, and the non-uniform flow preventing straightening vanes (13) (14) are arranged respectively in the inlet side exhaust duct (6) and the inlet side air supply duct (8).
各ダクト(6)(7)(8)(9)は、それぞれケーシ
ング(2)側から遠ざかるに連れて徐々に細くなった部
分(6a)(7a)(8a)(9a)を備えている。Each of the ducts (6), (7), (8) and (9) is provided with portions (6a), (7a), (8a) and (9a) which are gradually narrowed away from the casing (2) side.
入口側排気ダクト(6)内の整流板(13)は、第2図に
示すように、上下方向に熱を伝達しうるヒートパイプ部
(15)を備えている。ヒートパイプ部(15)は、整流板
(13)に形成されかつ上下にのびる格子状の管状膨出部
(16)内に作動流体(図示略)が封入されたものであ
る。整流板(13)は、たとえばロールボンド法により管
状膨出部(16)を有する合せ板を形成した後、管状膨出
部(16)内に作動流体を封入することによりつくられ
る。The rectifying plate (13) in the inlet side exhaust duct (6) is provided with a heat pipe section (15) capable of transferring heat in the vertical direction, as shown in FIG. The heat pipe part (15) is formed by enclosing a working fluid (not shown) in a lattice-shaped tubular bulging part (16) which is formed in the current plate (13) and extends vertically. The current plate (13) is made, for example, by forming a laminated plate having a tubular bulging portion (16) by a roll bonding method and then enclosing a working fluid in the tubular bulging portion (16).
このような構成において、高温排気は、第1図および第
2図に矢印(A)で示すように、入口側排気ダクト
(6)からケーシング(2)内の高温排気通路(4)内
に流入し、ここを通過して出口側排気ダクト(7)に流
入する。このとき、入口側排気ダクト(6)内におい
て、整流板(13)の働きにより整流され、高温排気通路
(4)内での偏流の発生、およびこれにともなう流体流
通部分と非流通部分との混在が防止されるとともに、整
流板(13)のヒートパイプ部(15)の働きにより、高温
排気通路(6)内に流入する排気の上下の温度分布が均
一となされる。一方、低温給気は、第1図に矢印(B)
で示すように、入口側給気ダクト(8)からケーシング
(2)内の低温給気通路(5)内に流入し、ここを通過
して出口側給気ダクト(9)に流入する。このとき、入
口側給気ダクト(8)内において、整流板(14)の働き
により整流され、低温給気通路(5)内での偏流の発
生、およびこれにともなう流体流通部分と非流通部分と
の混在が防止される。そして、ケーシング(2)内にお
いて、高温排気通路(4)内を流れる排気の有する熱が
ヒートパイプ(11)を介して低温給気通路(5)内を流
れる低温の給気に伝わり、給気が暖められる。In such a configuration, the hot exhaust gas flows from the inlet side exhaust duct (6) into the hot exhaust passage (4) in the casing (2) as shown by the arrow (A) in FIGS. 1 and 2. Then, it passes through this and flows into the outlet side exhaust duct (7). At this time, in the inlet-side exhaust duct (6), the flow is rectified by the action of the flow straightening plate (13), uneven flow is generated in the high-temperature exhaust passage (4), and the fluid flowing portion and non-flowing portion are accompanied by this. Mixing is prevented, and the temperature distribution of the exhaust gas flowing into the high-temperature exhaust passage (6) is made uniform by the action of the heat pipe part (15) of the straightening vane (13). On the other hand, the low temperature air supply is indicated by the arrow (B) in FIG.
As shown by, the gas flows from the inlet side air supply duct (8) into the low temperature air supply passage (5) in the casing (2), passes through this and flows into the outlet side air supply duct (9). At this time, in the inlet side air supply duct (8), the flow is rectified by the action of the flow regulating plate (14) to cause a non-uniform flow in the low temperature air supply passage (5), and the fluid flowing portion and the non-flowing portion accompanied therewith. Is prevented from being mixed. Then, in the casing (2), the heat of the exhaust gas flowing in the high temperature exhaust passage (4) is transferred to the low temperature supply air flowing in the low temperature air supply passage (5) through the heat pipe (11), and the supply air is supplied. Is warmed up.
上記実施例においては、各ダクト(6)(7)(8)
(9)が、それぞれケーシング(2)側から遠ざかるに
連れて徐々に細くなった部分(6a)(7a)(8a)(9a)
を備えているが、これに限るものではない。また、上記
実施例においては、入口側排気ダクト(6)に配置され
た整流板(13)にのみヒートパイプ部(15)が具備せし
められているが、入口側給気ダクト(8)に配置された
整流板(14)にヒートパイプ部が具備せしめられていて
もよい。In the above embodiment, each duct (6) (7) (8)
The parts (6a), (7a), (8a), and (9a) where (9) gradually become thinner as they move away from the casing (2) side.
However, the present invention is not limited to this. Further, in the above-mentioned embodiment, the heat pipe part (15) is provided only in the straightening vane (13) arranged in the inlet side exhaust duct (6), but it is arranged in the inlet side air supply duct (8). The straightening plate (14) may be provided with a heat pipe section.
考案の効果 この考案の排熱回収装置によれば、上述のようにして、
ケーシングの高温排気通路内および低温給気通路内での
偏流の発生、およびこれにともなう流体流通部分と非流
通部分との混在が防止されるとともに、高温排気通路に
排気を導入する入口側排気ダクト内を流れて高温排気通
路内に流入する排気の上下の温度分布が均一となる。し
たがって、排熱回収効率が、従来のものに比べて向上す
る。しかも、高温排気通路内および低温給気通路内での
偏流の発生、およびこれにともなう流体流通部分と非流
通部分との混在が防止されるので、排熱回収装置の小型
化が可能となる。Effect of the Invention According to the exhaust heat recovery device of the present invention, as described above,
Occurrence of uneven flow in the high-temperature exhaust passage and low-temperature air supply passage of the casing and the accompanying mixture of the fluid circulating portion and the non-circulating portion are prevented, and the inlet-side exhaust duct for introducing exhaust gas into the high-temperature exhaust passage The temperature distribution above and below the exhaust gas flowing inside and flowing into the high temperature exhaust passage becomes uniform. Therefore, the exhaust heat recovery efficiency is improved as compared with the conventional one. In addition, the occurrence of uneven flow in the high-temperature exhaust passage and the low-temperature air supply passage and the accompanying mixture of the fluid circulating portion and the non-circulating portion are prevented, so that the exhaust heat recovery device can be downsized.
図面はこの考案の実施例を示し、第1図は一部切欠き平
面図、第2図は第1図のII-II線に沿う拡大断面図であ
る。 (1)……排熱回収装置、(2)……ケーシング、
(3)……仕切り壁、(4)……高温排気通路、(5)
……低温給気通路、(6)……入口側排気ダクト、
(7)……出口側排気ダクト、(8)……入口側給気ダ
クト、(9)……出口側給気ダクト、(11)……ヒート
パイプ、(13)(14)……整流板、(15)……ヒートパ
イプ部。The drawings show an embodiment of the present invention, FIG. 1 is a partially cutaway plan view, and FIG. 2 is an enlarged sectional view taken along the line II-II of FIG. (1) …… Exhaust heat recovery device, (2) …… Casing,
(3) …… Partition wall, (4) …… High temperature exhaust passage, (5)
...... Low temperature air supply passage, (6) ...... Inlet side exhaust duct,
(7) …… Exhaust side exhaust duct, (8) …… Inlet side air supply duct, (9) …… Outlet side air supply duct, (11) …… Heat pipe, (13) (14) …… Rectangular plate , (15) …… Heat pipe part.
Claims (1)
るとともに仕切り壁によって、高温排気通路と低温給気
通路とが形成され、ケーシングに高温排気通路と連通す
る入口側排気ダクトおよび出口側排気ダクトが接続され
るとともに、低温給気通路と連通する入口側給気ダクト
および出口側給気ダクトが接続され、仕切り壁を貫通し
かつ2つの通路にまたがって複数本のヒートパイプが配
置された排熱回収装置において、入口側排気ダクトおよ
び入口側給気ダクト内にそれぞれ上下にのびる偏流防止
用整流板が配置され、入口側排気ダクト内の整流板が、
上下方向に熱を伝達しうるヒートパイプ部を備えている
排熱回収装置。1. An inlet-side exhaust duct and an outlet-side exhaust duct in which one partition wall is provided in a casing, a high-temperature exhaust passage and a low-temperature air supply passage are formed by the partition wall, and the casing communicates with the high-temperature exhaust passage. And an inlet side air supply duct and an outlet side air supply duct which communicate with the low temperature air supply passage are connected to each other, the exhaust pipe penetrating the partition wall and arranging a plurality of heat pipes across two passages. In the heat recovery device, upflow and downflow straightening vanes are respectively arranged in the inlet side exhaust duct and the inlet side air supply duct, and the straightening plate in the inlet side exhaust duct is
An exhaust heat recovery device that includes a heat pipe section that can transfer heat in the vertical direction.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1730290U JPH0749243Y2 (en) | 1990-02-21 | 1990-02-21 | Exhaust heat recovery device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1730290U JPH0749243Y2 (en) | 1990-02-21 | 1990-02-21 | Exhaust heat recovery device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH03112660U JPH03112660U (en) | 1991-11-18 |
JPH0749243Y2 true JPH0749243Y2 (en) | 1995-11-13 |
Family
ID=31520523
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1730290U Expired - Lifetime JPH0749243Y2 (en) | 1990-02-21 | 1990-02-21 | Exhaust heat recovery device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0749243Y2 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4714093B2 (en) * | 2006-06-23 | 2011-06-29 | 株式会社東芝 | Exhaust rectifier grid and exhaust duct with rectifier grid |
-
1990
- 1990-02-21 JP JP1730290U patent/JPH0749243Y2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPH03112660U (en) | 1991-11-18 |
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