JP2006029758A - Heat pipe type waste heat recovery heat exchanger - Google Patents
Heat pipe type waste heat recovery heat exchanger Download PDFInfo
- Publication number
- JP2006029758A JP2006029758A JP2004238935A JP2004238935A JP2006029758A JP 2006029758 A JP2006029758 A JP 2006029758A JP 2004238935 A JP2004238935 A JP 2004238935A JP 2004238935 A JP2004238935 A JP 2004238935A JP 2006029758 A JP2006029758 A JP 2006029758A
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- Prior art keywords
- pipe
- temperature side
- heat
- high temperature
- low temperature
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- 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.)
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D15/00—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
- F28D15/02—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes
- F28D15/0275—Arrangements for coupling heat-pipes together or with other structures, e.g. with base blocks; Heat pipe cores
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F1/00—Tubular elements; Assemblies of tubular elements
- F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
- F28F1/12—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element
- F28F1/24—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending transversely
- F28F1/32—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending transversely the means having portions engaging further tubular elements
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
Description
本発明は高温流体と低温流体とを効率よく熱交換するため、プレートフィン付きヒートパイプを用いた小型・軽量で大容量の排熱回収熱交換装置に関するものである。The present invention relates to a small, lightweight, large-capacity exhaust heat recovery heat exchanger using a heat pipe with a plate fin in order to efficiently exchange heat between a high-temperature fluid and a low-temperature fluid.
従来の排熱回収熱交換装置として巻き付けフィン方式とプレートフィン方式によるものがあり、例えばその一例を図4に示す。従来、気体と気体との熱交換において図4に示すようなフィン付きヒートパイプが用いられている。図4において、20は仕切板、21は低温側流路、22は高温側流路、26はヒートパイプ、27はフィン、28はシールチューブである。ヒートパイプ26は両端部を封止して真空排気後、内部に作動液を封入して密閉されており、仕切板20を境として一方が高温側流路22に、もう一方が低温側流路21に配置されている。Conventional exhaust heat recovery heat exchange devices include a winding fin type and a plate fin type. For example, an example is shown in FIG. Conventionally, a finned heat pipe as shown in FIG. 4 is used in heat exchange between gas and gas. In FIG. 4, 20 is a partition plate, 21 is a low temperature side flow path, 22 is a high temperature side flow path, 26 is a heat pipe, 27 is a fin, and 28 is a seal tube. The heat pipe 26 is sealed at both ends and evacuated, and sealed with a working fluid sealed inside. One is a high-temperature channel 22 and the other is a low-temperature channel with the partition plate 20 as a boundary. 21.
従来の排熱回収熱交換装置は、高温の気体と低温の気体を混合させることなく、高温側から低温側に熱輸送させるために、ヒートパイプ26を内蔵したフィン付き管で形成されているが、高温側と低温側の気体を分離するために、ひとつには、仕切板20はヒートパイプ26中央のフィン27の無い平滑部を挟むように半円状の溝を有する複数の仕切板部材から構成するものがあり、またもうひとつには、フィン付き管の一方の端を溶接で仕切板に接合し、固定保持とシール処理を同時にしており、更にヒートパイプ26にシールチューブ28を挿入し、その後拡管してシール処理をしているものがある。このように従来のものは作業性が悪く、組み立てコストが高くなるとともに、シール機能を持たせて完全に洩れを止めることが困難であるという課題があった。A conventional exhaust heat recovery heat exchange device is formed of a finned tube with a built-in heat pipe 26 for heat transport from a high temperature side to a low temperature side without mixing a high temperature gas and a low temperature gas. In order to separate the gas on the high temperature side and the low temperature side, for example, the partition plate 20 is formed from a plurality of partition plate members having semicircular grooves so as to sandwich a smooth portion without the fin 27 at the center of the heat pipe 26. In addition, one end of the finned tube is joined to the partition plate by welding to fix and hold and seal simultaneously, and a seal tube 28 is inserted into the heat pipe 26. After that, some pipes are expanded and sealed. As described above, the conventional device has problems in that workability is poor, the assembling cost is high, and it is difficult to completely stop leakage by providing a sealing function.
フィンを組み立てる工程でフィン間ピッチが一定にならず、熱回収効率の向上に影響を及ぼしているという問題点があった。In the process of assembling the fins, the pitch between the fins is not constant, which affects the improvement of the heat recovery efficiency.
仕切板の貫通穴に、低温側から高温側に延在するパイプを挿入し、低温側、高温側より各々フィンを組み込む。パイプの内部から特別な方法で拡管し、フィンをパイプの外面に固定させ、更にパイプを仕切板の貫通穴にシール固定させる。また、パイプの中に銅パイプを挿入し、銅パイプを特別な方法で拡管してパイプの内面に密着させ両端部を封止してヒートパイプを形成することによって解決できる。A pipe extending from the low temperature side to the high temperature side is inserted into the through hole of the partition plate, and fins are incorporated from the low temperature side and the high temperature side, respectively. The pipe is expanded by a special method from the inside of the pipe, the fin is fixed to the outer surface of the pipe, and the pipe is further sealed to the through hole of the partition plate. Further, the problem can be solved by inserting a copper pipe into the pipe, expanding the copper pipe by a special method, closely contacting the inner surface of the pipe, sealing both ends, and forming a heat pipe.
フィン24を重ね合わせて組むときにはフィン間ピッチ30が小さくならないようにするため、フィンの大径33はフィンの小径34より大きくしている。また、ヒートパイプ26からフィン24への熱伝導を良くするため、接触長さ32はフィンの厚み31のX倍以上としている。これにより課題を解決できる。In order to prevent the pitch 30 between the fins from being reduced when the fins 24 are stacked and assembled, the large diameter 33 of the fins is made larger than the small diameter 34 of the fins. Further, in order to improve the heat conduction from the heat pipe 26 to the fin 24, the contact length 32 is set to be X times the fin thickness 31 or more. This can solve the problem.
パイプ内部からの拡管作業により仕切板の貫通穴部でフィン付き管、ヒートパイプを固定し全重量を支えるので、フィン付き管の両端部は軸方向に自由であり、低温側、高温側とも温度変化による伸びを自由にさせる構造にすることができ、作業がしやすくなり組立性が向上する。The finned tube and heat pipe are fixed in the through hole of the partition plate by pipe expansion work from the inside of the pipe to support the entire weight, so both ends of the finned tube are free in the axial direction. It is possible to make the structure free from elongation due to change, and the work becomes easier and the assemblability is improved.
パイプ内部からの拡管作業により仕切板の貫通穴部で低温側流路と高温側流路を分離しシールをするので、完全に洩れを止める構造にすることができ、作業がしやすくなり組立性が向上する。Pipe expansion from inside the pipe separates and seals the low temperature side flow path and the high temperature side flow path at the through hole of the partition plate, making it possible to make a structure that completely prevents leakage, making the work easier and easier to assemble Will improve.
フィン間ピッチを一定に保つことができ、熱回収効率を向上させることができる。The pitch between the fins can be kept constant, and the heat recovery efficiency can be improved.
この発明の実施例を図1、図2、図3に示す。
20は低温側流路21と高温側流路22に仕切る仕切板であり、所定のピッチであけられた複数の貫通穴20aが設けられている。この貫通穴20aにパイプ23が挿入され、またパイプ23にはプレートフィン24が挿入される。パイプ23の内部から拡管し、プレートフィン24がパイプ23の外面に固定され、更にパイプ23が仕切板20の貫通穴20aにシール固定され保持される。また、パイプ23の中に銅パイプ25を挿入し、銅パイプ25を拡管してパイプ23の内面に密着させ接合させた後、銅パイプ25の両端部に端板25a、25bを取り付けて密閉容器を構成させ、内部を真空にして所定量の作動液(図示せず)を封入してヒートパイプ26を形成している。Embodiments of the present invention are shown in FIGS.
Reference numeral 20 denotes a partition plate that partitions the low temperature
20 仕切板
20a 貫通穴
21 低温側流路
22 高温側流路
23 パイプ
24 プレートフィン
25 銅パイプ
25a、25b 端板
26 ヒートパイプ
27 巻き付けフィン
28 シールチューブ
30 プレートフィン間ピッチ
31 プレートフィンの厚み
32 接触長さ
33 大径
34 小径20 Partition plate 20a Through
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Priority Applications (1)
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JP2004238935A JP2006029758A (en) | 2004-07-21 | 2004-07-21 | Heat pipe type waste heat recovery heat exchanger |
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JP2004238935A JP2006029758A (en) | 2004-07-21 | 2004-07-21 | Heat pipe type waste heat recovery heat exchanger |
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JP2006029758A true JP2006029758A (en) | 2006-02-02 |
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JP2004238935A Pending JP2006029758A (en) | 2004-07-21 | 2004-07-21 | Heat pipe type waste heat recovery heat exchanger |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102748966A (en) * | 2012-07-18 | 2012-10-24 | 绍兴文理学院 | Waste heat recovery mechanism for setting machine |
CN106890738A (en) * | 2017-04-07 | 2017-06-27 | 东方国际集装箱(连云港)有限公司 | The method that residual heat of air compressor is used for the pitch-dark heating of pitch |
RU2693799C1 (en) * | 2018-11-06 | 2019-07-04 | федеральное государственное бюджетное образовательное учреждение высшего образования "Кузбасский государственный технический университет имени Т.Ф. Горбачева" (КузГТУ) | Waste heat exchanger |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59113671U (en) * | 1983-01-13 | 1984-08-01 | 石川島播磨重工業株式会社 | Heat exchanger |
JPH02217790A (en) * | 1989-02-15 | 1990-08-30 | Furukawa Electric Co Ltd:The | Heat pipe type sealed casing cooler |
JPH094993A (en) * | 1995-06-21 | 1997-01-10 | Showa Alum Corp | Ventilating and heat exchanging device |
JPH10238980A (en) * | 1997-02-28 | 1998-09-11 | Hidaka Seiki Kk | Fin of heat-exchanger and thin plate for producing fin |
JP2000190043A (en) * | 1998-12-22 | 2000-07-11 | Hidaka Seiki Kk | Manufacture of heat exchanger |
JP2001235291A (en) * | 2000-02-21 | 2001-08-31 | Mitsubishi Electric Corp | Heat exchange apparatus and method of its manufacture |
-
2004
- 2004-07-21 JP JP2004238935A patent/JP2006029758A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59113671U (en) * | 1983-01-13 | 1984-08-01 | 石川島播磨重工業株式会社 | Heat exchanger |
JPH02217790A (en) * | 1989-02-15 | 1990-08-30 | Furukawa Electric Co Ltd:The | Heat pipe type sealed casing cooler |
JPH094993A (en) * | 1995-06-21 | 1997-01-10 | Showa Alum Corp | Ventilating and heat exchanging device |
JPH10238980A (en) * | 1997-02-28 | 1998-09-11 | Hidaka Seiki Kk | Fin of heat-exchanger and thin plate for producing fin |
JP2000190043A (en) * | 1998-12-22 | 2000-07-11 | Hidaka Seiki Kk | Manufacture of heat exchanger |
JP2001235291A (en) * | 2000-02-21 | 2001-08-31 | Mitsubishi Electric Corp | Heat exchange apparatus and method of its manufacture |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102748966A (en) * | 2012-07-18 | 2012-10-24 | 绍兴文理学院 | Waste heat recovery mechanism for setting machine |
CN106890738A (en) * | 2017-04-07 | 2017-06-27 | 东方国际集装箱(连云港)有限公司 | The method that residual heat of air compressor is used for the pitch-dark heating of pitch |
RU2693799C1 (en) * | 2018-11-06 | 2019-07-04 | федеральное государственное бюджетное образовательное учреждение высшего образования "Кузбасский государственный технический университет имени Т.Ф. Горбачева" (КузГТУ) | Waste heat exchanger |
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