JPS6338640B2 - - Google Patents
Info
- Publication number
- JPS6338640B2 JPS6338640B2 JP4353284A JP4353284A JPS6338640B2 JP S6338640 B2 JPS6338640 B2 JP S6338640B2 JP 4353284 A JP4353284 A JP 4353284A JP 4353284 A JP4353284 A JP 4353284A JP S6338640 B2 JPS6338640 B2 JP S6338640B2
- Authority
- JP
- Japan
- Prior art keywords
- pipe
- evaporation
- section
- condensate
- steam
- 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
Links
- 238000001704 evaporation Methods 0.000 claims description 51
- 230000008020 evaporation Effects 0.000 claims description 45
- 239000012530 fluid Substances 0.000 claims description 26
- 238000000926 separation method Methods 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 claims 1
- 239000000428 dust Substances 0.000 description 8
- 230000005494 condensation Effects 0.000 description 5
- 238000009833 condensation Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- 239000002351 wastewater Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 238000007664 blowing Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000004071 soot Substances 0.000 description 1
Classifications
-
- 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
- F28D15/0266—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 with separate evaporating and condensing chambers connected by at least one conduit; Loop-type heat pipes; with multiple or common evaporating or condensing chambers
Landscapes
- 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)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Description
【発明の詳細な説明】
本発明はヒートパイプの原理を応用した分離型
熱交換装置に関するもので、特に蒸発部における
蒸発管の外面に付着するダストの除去を容易にす
ると共に、熱伝達率を向上せしめたものである。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a separate heat exchange device that applies the principle of a heat pipe, and in particular facilitates the removal of dust adhering to the outer surface of the evaporation tube in the evaporation section, and improves the heat transfer coefficient. It has been improved.
一般に工場排ガスや排水等の顕熱回収には熱伝
達率の優れたヒートパイプが用いられており、通
常排ガスや排水等の加熱流体と被加熱流体間に設
けた仕切板を貫通して取付けている。従つて仕切
板の構造に工夫を要し、かつ加熱流体側から被加
熱流体側へのリークを避けることができないばか
りか、損傷したヒートパイプの取替が極めて困難
であつた。また加熱流体や被加熱流体の種類や条
件によつてはヒートパイプの蒸発部と凝縮部を離
れた位置に配置する必要が起る。しかしながらヒ
ートパイプを長尺化すると、凝縮した作動液を蒸
発部に戻すのに重力を利用するところから蒸気と
凝縮液が混流し、蒸気の流れに抵抗を与える欠点
がある。 Generally, heat pipes with excellent heat transfer coefficient are used to recover sensible heat from factory exhaust gas, wastewater, etc., and are usually installed by penetrating a partition plate between the heated fluid such as exhaust gas or wastewater and the fluid to be heated. There is. Therefore, it is necessary to devise a structure of the partition plate, and it is not only impossible to avoid leakage from the heating fluid side to the heated fluid side, but also it is extremely difficult to replace a damaged heat pipe. Furthermore, depending on the type and conditions of the heating fluid or fluid to be heated, it may be necessary to arrange the evaporating section and condensing section of the heat pipe at separate positions. However, when the length of the heat pipe is increased, since gravity is used to return the condensed working fluid to the evaporator, steam and condensed fluid flow together, creating resistance to the flow of steam.
これを改善するためヒートパイプの原理を応用
した分離型熱交換器装置が開発され、実用化され
ている。この装置は第１図に示すように複数本の
蒸発管１を垂直に配置し、その上端に蒸気ヘツダ
ー管２を取付け、下端に凝縮液ヘツダー管３を取
付けて蒸発部Ａを形成し、該蒸発部Ａの上方に複
数本の凝縮管４を垂直に配置し、その上端に蒸気
ヘツダー管５を取付け、下端に凝縮液ヘツダー管
６を取付けて凝縮部Ｂを形成し、両蒸気ヘツダー
管２，５を蒸気管７で連結し、両凝縮液ヘツダー
管３，６を凝縮液管８で連結して循環回路を形成
し、内部に蒸発部Ａで蒸発し、凝縮部Ｂで凝縮し
て循環する作動液を封入したものである。 To improve this, a separate heat exchanger device that applies the heat pipe principle has been developed and put into practical use. As shown in Fig. 1, this device has a plurality of evaporator tubes 1 arranged vertically, a steam header tube 2 attached to the upper end, and a condensate header tube 3 attached to the lower end to form an evaporation section A. A plurality of condensing pipes 4 are arranged vertically above the evaporation part A, a steam header pipe 5 is attached to the upper end, a condensate header pipe 6 is attached to the lower end to form the condensing part B, and both steam header pipes 2 , 5 are connected by a steam pipe 7, and both condensate header pipes 3 and 6 are connected by a condensate pipe 8 to form a circulation circuit. It is filled with hydraulic fluid.
この装置は通常複数基を平列状に配置し、しか
も垂直な蒸発管の表面にラジアルフインを取付け
ているところから、ダストが付着し易いばかり
か、その除去が極めて難しい欠点がある。また蒸
発部では第２図に示すように蒸発管１内の作動液
面の高さh1を適正値に保持する必要があるが、加
熱条件によつて高さh1が変動するばかりか、凝縮
して自然流下した凝縮液管８内の作動液面の高さ
h2と蒸発管１内の作動液面の高さh1とが違うた
め、作動液量の調節が非常に困難であり、たとえ
ば適正値に設定できたとしても蒸発管内面の乾き
面をなくすことができず、単管式ヒートパイプ
（従来型）に比べて熱伝達率が劣る欠点があつた。 Since this device usually has a plurality of units arranged in parallel and radial fins are attached to the surface of the vertical evaporation tube, it has the disadvantage that not only does it tend to attract dust, but it is also extremely difficult to remove it. In addition, in the evaporator section, as shown in Fig. 2, it is necessary to maintain the height h1 of the working liquid level in the evaporator tube 1 at an appropriate value, but not only does the height h1 fluctuate depending on the heating conditions; Height of the working liquid level in the condensate pipe 8 that has condensed and flowed down naturally
Since h 2 is different from the height h 1 of the working fluid level inside the evaporator tube 1, it is very difficult to adjust the amount of working fluid. However, the heat transfer rate was inferior to that of a single-tube heat pipe (conventional type).
本発明はこれに鑑み種々検討の結果、作動液の
調節が容易で、高い熱伝達率を有し、かつ蒸発管
の外面に付着したダストを容易に除去することが
できる分離型熱交換装置を開発したもので、蒸気
ヘツダー管と凝縮液ヘツダー管との間に複数本の
蒸発管を水平に取付けて加熱流体による蒸発部を
形成し、該蒸発部の上方に蒸気ヘツダー管と凝縮
液ヘツダー管との間に複数本の凝縮管を取付けた
被加熱流体よる凝縮部を形成し、両蒸気ヘツダー
管を蒸気管により連結し、両凝縮液ヘツダー管を
凝縮液管により連結して循環回路を形成し、該回
路内に蒸発部で蒸発し、凝縮部で凝縮することに
より循環する作動液を封入したことを特徴とする
ものである。 In view of this, as a result of various studies, the present invention has developed a separate heat exchange device that allows easy adjustment of the working fluid, has a high heat transfer coefficient, and can easily remove dust attached to the outer surface of the evaporation tube. A newly developed system in which multiple evaporation tubes are installed horizontally between a steam header tube and a condensate header tube to form an evaporation section using heated fluid, and a steam header tube and a condensate header tube are installed above the evaporation section. A condensation section for the heated fluid is formed by installing multiple condensation pipes between the two, and both steam header pipes are connected by a steam pipe, and both condensate header pipes are connected by a condensate pipe to form a circulation circuit. The circuit is characterized in that a working fluid that circulates by evaporating in the evaporating section and condensing in the condensing section is sealed in the circuit.
即ち本発明は第３図に示すように複数本の蒸発
管１を水平に配置し、その一端に蒸気ヘツダー管
２を取付け、他端に凝縮液ヘツダー管３を取付
け、蒸発管１の凝縮液ヘツダー管３側に図には示
してないが発生した蒸気の逆流防止壁を設け、排
ガスや排水等の加熱流体による蒸発部Ａを形成す
る。また蒸発部Ａの上方に複数本の凝縮管４を垂
直又は傾斜（図は垂直の場合を示す）状に配置
し、その上端に蒸気ヘツダー管５を取付け、下端
に凝縮液ヘツダー管６を取付けて被加熱流体によ
る凝縮部Ｂを形成する。この蒸発部Ａと凝縮部Ｂ
の両蒸気ヘツダー管２，５を蒸気管７で連結し、
両凝縮液ヘツダー管３，６を凝縮液管８で連結し
て循環回路を形成する。この回路内に蒸発部Ａで
蒸発し、凝縮部Ｂで凝縮して凝縮液管８内を自然
流下することにより循環する作動液を封入したも
のである。 That is, in the present invention, a plurality of evaporator tubes 1 are arranged horizontally as shown in FIG. Although not shown in the figure, a backflow prevention wall for generated steam is provided on the header pipe 3 side to form an evaporation section A using heated fluid such as exhaust gas or waste water. In addition, a plurality of condensing pipes 4 are arranged vertically or inclinedly (the figure shows a vertical case) above the evaporation section A, and a steam header pipe 5 is attached to the upper end, and a condensate header pipe 6 is attached to the lower end. A condensation section B is formed by the fluid to be heated. This evaporation section A and condensation section B
Both steam header pipes 2 and 5 are connected by a steam pipe 7,
Both condensate header pipes 3 and 6 are connected by a condensate pipe 8 to form a circulation circuit. This circuit is filled with a working fluid that is evaporated in the evaporating section A, condensed in the condensing section B, and circulated by flowing down the condensate pipe 8 naturally.
本発明熱交換器は上記の如く、蒸発部の蒸発管
が水平に配置されているため、蒸発管内の作動液
は蒸発条件によつて多少変動するも、作動液が蒸
発管の全長にわたり供給されるため、蒸発管内面
は常に濡れた状態に保持され、高い熱伝達率を示
す。また蒸気管の表面にラジアルフインを取付け
たとしても、蒸発管が水平のため、ダストの付着
が少なく、たとえ付着したとしても水洗又はシヨ
ツトクリーニングシステムにより容易に除去する
ことができる。 As described above, in the heat exchanger of the present invention, since the evaporation tubes in the evaporation section are arranged horizontally, although the working fluid in the evaporation tubes varies somewhat depending on the evaporation conditions, the working fluid is supplied over the entire length of the evaporation tubes. As a result, the inner surface of the evaporator tube is always kept wet and exhibits a high heat transfer coefficient. Furthermore, even if a radial fin is attached to the surface of the steam pipe, since the evaporation pipe is horizontal, there is little dust adhesion, and even if it does adhere, it can be easily removed by washing with water or using a shot cleaning system.
尚蒸発部における蒸発管、蒸気ヘツダー管及び
凝縮液ヘツダー管をそれぞれ水平に設けた例につ
いて説明したが、これに限るものではなく、例え
ば第４図に示すように蒸気ヘツダー管２と凝縮液
ヘツダー管３を対向して垂直に配置し、両ヘツダ
ー管２，３間に複数本の蒸発管１を水平に取付け
てもよい。この場合第５図に示すように各蒸発管
１の蒸気ヘツダー管２側に堰９を設け、凝縮液ヘ
ツダー管３内の各蒸発管１毎にオーバーフロー管
１１を設けた閉塞板１０を取付けて蒸発管１内の
作動液面の高さを調節し、かつ蒸発管１端部に蒸
発管１からの蒸気逆流防止壁１２を設けるとよ
い。 Although an example has been described in which the evaporator pipe, steam header pipe, and condensate header pipe in the evaporation section are installed horizontally, the present invention is not limited to this. For example, as shown in FIG. 4, the steam header pipe 2 and the condensate header pipe are The tubes 3 may be arranged vertically to face each other, and a plurality of evaporation tubes 1 may be installed horizontally between the header tubes 2 and 3. In this case, as shown in FIG. 5, a weir 9 is provided on the steam header pipe 2 side of each evaporator pipe 1, and a closing plate 10 with an overflow pipe 11 is attached to each evaporator pipe 1 in the condensate header pipe 3. It is preferable to adjust the height of the working liquid level in the evaporation tube 1 and to provide a wall 12 at the end of the evaporation tube 1 to prevent vapor backflow from the evaporation tube 1.
以下本発明熱交換装置の実施例について説明す
る。 Examples of the heat exchange device of the present invention will be described below.
材質STB35からなる外径50.8mm、肉厚２mm、長
さ1000mmの管外周に、材質SPCCからなる厚さ1.0
mm、高さ12.7mm、ピツチ５mmのラジアルフインを
取付けて蒸発管を作成し、これを５本水平に配置
して第４図に示す本発明装置の蒸発部と、蒸発管
５本を垂直に配置した第１図に示す従来装置蒸発
部を形成した。 A pipe made of material STB35 with an outer diameter of 50.8 mm, a wall thickness of 2 mm, and a length of 1000 mm is made of SPCC material with a thickness of 1.0 mm.
radial fins with a height of 12.7 mm and a pitch of 5 mm are attached to create evaporation tubes, and five of these are arranged horizontally to form the evaporation section of the device of the present invention shown in Fig. 4, and the five evaporation tubes are placed vertically. A conventional evaporation section of the apparatus shown in FIG. 1 was formed.
これ等について蒸発管内に作動液として水を
50vol％の割合いで供給し、蒸発部に4.0×
103KCal／m2ｈ〜8.0×103KCal／m2ｈの熱量を加
えて蒸発熱伝達率を測定した。その結果本発明装
置の蒸発部では1500〜3000KCal／m2ｈ℃の蒸発
熱伝達率が得られた。これに対し従来装置の蒸発
部における蒸発熱伝達率は800〜1500KCal／m2ｈ
℃であり、本発明装置によれば蒸発部における蒸
発熱伝達率が著しく向上することが判る。 Regarding these, water is used as a working fluid in the evaporation tube.
Supplied at a ratio of 50vol%, 4.0× to the evaporation section
The evaporative heat transfer coefficient was measured by adding a heat amount of 10 3 KCal/m 2 h to 8.0×10 3 KCal/m 2 h. As a result, the evaporation heat transfer coefficient of 1500 to 3000 KCal/m 2 h°C was obtained in the evaporation section of the apparatus of the present invention. In contrast, the evaporation heat transfer coefficient in the evaporation section of conventional equipment is 800 to 1500 KCal/m 2 h.
℃, and it can be seen that the evaporative heat transfer coefficient in the evaporator section is significantly improved by the apparatus of the present invention.
また蒸発部の加熱に排ガスを用いたところ、本
発明装置の蒸発部におけるダストの付着量は、従
来装置の蒸発部におけるダスト付着量の約半分以
下であり、ダストの除去についても本発明装置の
蒸発部では処理コストの安い水洗又は／及びシヨ
ツトクリーニングにより極めて容易に除去するこ
とができた。これに対し従来装置の蒸発部では、
水洗又は／及びシヨツトクリーニングによるダス
トの除去は不可能であり、処理コストの高いスー
トブローシステムを用いてもダストの除去は困難
であつた。 Furthermore, when exhaust gas was used to heat the evaporation section, the amount of dust attached to the evaporation section of the device of the present invention was about half or less of the amount of dust attached to the evaporation section of the conventional device. In the evaporation section, it could be removed extremely easily by water washing and/or shot cleaning, which are inexpensive. In contrast, in the evaporation section of conventional equipment,
It is impossible to remove dust by washing with water and/or shot cleaning, and it is difficult to remove dust even by using a soot blowing system, which is expensive to process.
このように本発明によれば蒸発管内の作動液量
の調節が容易で、従来装置の蒸発部に比べて約倍
程度の高い蒸発熱伝達率が得られ、しかもダスト
の付着量が少なく、付着したとしても容易に除去
することができる等工業上顕著な効果を奏するも
のである。 As described above, according to the present invention, it is easy to adjust the amount of working fluid in the evaporator tube, and the evaporative heat transfer coefficient is approximately twice as high as that of the evaporator section of conventional equipment. Even if it does, it can be easily removed, which brings about remarkable industrial effects.
第１図は従来の分離型熱交換装置の一例を示す
説明図、第２図は同装置の蒸発部を拡大して示す
断面図、第３図は本発明分離型熱交換装置の一例
を示す説明図、第４図は本発明装置の他の一例を
示す斜視図、第５図は同装置の蒸発部を拡大して
示す一部切欠断面図である。
Ａ……蒸発部、Ｂ……凝縮部、１……蒸発管、
２，５……蒸気ヘツダー管、３，６……凝縮液ヘ
ツダー管、４……凝縮管、７……蒸気管、８……
凝縮液管、９……堰、１０……閉塞板、１１……
オーバーフロー管、１２……蒸気逆流防止壁。
Fig. 1 is an explanatory diagram showing an example of a conventional separation type heat exchange device, Fig. 2 is an enlarged cross-sectional view of the evaporation section of the same device, and Fig. 3 shows an example of the separation type heat exchange device of the present invention. FIG. 4 is a perspective view showing another example of the device of the present invention, and FIG. 5 is a partially cutaway sectional view showing an enlarged evaporation section of the device. A... Evaporation section, B... Condensation section, 1... Evaporation tube,
2, 5... Steam header pipe, 3, 6... Condensate header pipe, 4... Condensing pipe, 7... Steam pipe, 8...
Condensate pipe, 9... Weir, 10... Closure plate, 11...
Overflow pipe, 12... Steam backflow prevention wall.
Claims (1)
複数本の蒸発管を水平に取付けて加熱流体による
蒸発部を形成し、該蒸発部の上方に蒸気ヘツダー
管と凝縮液ヘツダー管との間に複数本の凝縮管を
取付けた被加熱流体による凝縮部を形成し、両蒸
気ヘツダー管を蒸気管により連結し、両凝縮液ヘ
ツダー管を凝縮液管により連結して循環回路を形
成し、該回路内に蒸発部で蒸発し、凝縮部で凝縮
することにより循環する作動液を封入したことを
特徴とする分離型熱交換装置。 ２ 上下に並設した蒸発管の蒸気ヘツダー管側に
堰を設け、凝縮液ヘツダー管内にオーバーフロー
管を貫通して設けた閉塞板を取付けて蒸発管内の
作動液量を適量に保持する特許請求の範囲第１項
記載の分離型熱交換装置。[Claims] 1. A plurality of evaporation pipes are installed horizontally between a steam header pipe and a condensate header pipe to form an evaporation section using a heated fluid, and a steam header pipe and a condensate header pipe are installed above the evaporation section. A condensing section using heated fluid is formed by installing multiple condensing pipes between the header pipe and the steam header pipe, and both steam header pipes are connected by a steam pipe, and both condensate header pipes are connected by a condensate pipe to form a circulation circuit. 1. A separation type heat exchange device characterized in that a working fluid that circulates by evaporating in an evaporating section and condensing in a condensing section is sealed in the circuit. 2 A weir is provided on the steam header side of the evaporator pipes arranged vertically in parallel, and a blocking plate is installed in the condensate header pipe through the overflow pipe to maintain the amount of working fluid in the evaporator pipe at an appropriate level. Separate heat exchange device according to scope 1.
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4353284A JPS60188794A (en) | 1984-03-07 | 1984-03-07 | Separate type heat exchanger |
| DE19853507981 DE3507981A1 (en) | 1984-03-07 | 1985-03-06 | HEAT EXCHANGER WITH ISOLATED EVAPORATION AND CONDENSATION ZONES |
| GB08505772A GB2156505B (en) | 1984-03-07 | 1985-03-06 | Heat exchanger |
| GB8609530A GB2172697B (en) | 1984-03-07 | 1986-04-18 | An evaporation pipe for a heat exchanger |
| GB08609531A GB2173413B (en) | 1984-03-07 | 1986-04-18 | A method of refluxing condensed liquid in a separate type heat exchanger |
| US06/894,738 US4745965A (en) | 1984-03-07 | 1986-08-11 | Separate type heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4353284A JPS60188794A (en) | 1984-03-07 | 1984-03-07 | Separate type heat exchanger |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60188794A JPS60188794A (en) | 1985-09-26 |
| JPS6338640B2 true JPS6338640B2 (en) | 1988-08-01 |
Family
ID=12666349
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4353284A Granted JPS60188794A (en) | 1984-03-07 | 1984-03-07 | Separate type heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60188794A (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10227554A (en) * | 1997-02-14 | 1998-08-25 | Denso Corp | Cooling system |
| JP5777734B2 (en) * | 2011-02-22 | 2015-09-09 | エルジー ケム． エルティーディ． | Cooling member with improved cooling efficiency and battery module using the same |
| JP6162083B2 (en) * | 2014-07-08 | 2017-07-12 | 株式会社西原環境 | Heat utilization system |
| CN115597409A (en) * | 2021-07-07 | 2023-01-13 | 中兴智能科技南京有限公司（Cn） | Heat sinks and electronics |
-
1984
- 1984-03-07 JP JP4353284A patent/JPS60188794A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60188794A (en) | 1985-09-26 |
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