JP2567691Y2 - Heat exchanger with built-in ceramic heat storage material - Google Patents
Heat exchanger with built-in ceramic heat storage materialInfo
- Publication number
- JP2567691Y2 JP2567691Y2 JP1993002473U JP247393U JP2567691Y2 JP 2567691 Y2 JP2567691 Y2 JP 2567691Y2 JP 1993002473 U JP1993002473 U JP 1993002473U JP 247393 U JP247393 U JP 247393U JP 2567691 Y2 JP2567691 Y2 JP 2567691Y2
- Authority
- JP
- Japan
- Prior art keywords
- heat storage
- storage material
- ceramic heat
- shock absorbing
- ceramic
- 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 - Fee Related
Links
Landscapes
- Air Supply (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本考案はハニカム状の仕切壁によ
って複数の流体通路が形成されたセラミック製蓄熱材を
内蔵する熱交換器に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a heat exchanger containing a ceramic heat storage material having a plurality of fluid passages formed by honeycomb-shaped partition walls.
【０００２】[0002]
【従来の技術】図５は、従来の回転再生式熱交換器の一
例として、空気予熱器につきその主要部であるロータの
部分を例示する概略斜視図、図６は同じくセラミック製
蓄熱材の斜視図である。2. Description of the Related Art FIG. 5 is a schematic perspective view illustrating an example of a conventional rotary regenerative heat exchanger, showing a rotor portion which is a main part of an air preheater, and FIG. 6 is a perspective view of a ceramic heat storage material. FIG.
【０００３】ロータａはその中心に回転軸ｂを具え、円
筒状の外殻ｃの中には扇形断面を有する複数のバスケッ
トｄが放射状に詰められている。そしてそのバスケット
ｄには、ハニカム状の仕切壁２によって複数の流体通路
３が形成された複数のセラミック製蓄熱材１が収納され
ている。なお、ｅはロータ上面シール、ｆはロータ側面
シールである。The rotor a has a rotating shaft b at the center thereof, and a plurality of baskets d having a fan-shaped cross section are radially packed in a cylindrical outer shell c. A plurality of ceramic heat storage materials 1 in which a plurality of fluid passages 3 are formed by honeycomb-shaped partition walls 2 are stored in the basket d. In addition, e is a rotor upper surface seal and f is a rotor side surface seal.
【０００４】このロータａが燃焼排ガスＧと燃焼用空気
Ａとの間をゆっくり回転すると、上記流体通路３を燃焼
排ガスＧと燃焼用空気Ａが交互に通過し、高温の燃焼排
ガスＧの熱が低温の燃焼用空気Ａに与えられて、燃焼用
空気Ａが予熱される。When the rotor a slowly rotates between the flue gas G and the combustion air A, the flue gas G and the combustion air A alternately pass through the fluid passage 3, and the heat of the high-temperature flue gas G is removed. The combustion air A is supplied to the low-temperature combustion air A, and is preheated.
【０００５】前記のセラミック製蓄熱材１は、図７に示
すように、常温状態においてセラミック製蓄熱材１，１
中の相互の間に衝撃緩和材４を装着してバスケットｄ内
に収納されている。As shown in FIG. 7, the ceramic heat storage material 1 is made of ceramic heat storage material 1 at room temperature.
The shock absorbing member 4 is mounted between the insides, and is stored in the basket d.
【０００６】[0006]
【考案が解決しようとする課題】前記の図５ないし図７
に示す従来のセラミック製蓄熱材を内蔵する熱交換器に
おいて、熱交換を行う時、セラミック製蓄熱材１の温度
は上昇、下降を繰り返すが、それと同時にバスケットｄ
の温度も同じように上昇、下降を繰り返す。Problems to be Solved by the Invention FIGS. 5 to 7 described above.
In the heat exchanger having a built-in ceramic heat storage material shown in FIG. 1, when performing heat exchange, the temperature of the ceramic heat storage material 1 repeatedly rises and falls, but at the same time, the basket d
Temperature rises and falls in the same manner.
【０００７】前記バスケットｄの材料としては金属類が
用いられていて、セラミック製蓄熱材１よりも膨張係数
が高く、熱交換を行うごとにパック圧（バスケットｄが
セラミック蓄熱材１をパックする圧力）が変化し、パッ
ク圧の変化（ゆるんだりしまったりの繰り返し）によっ
て衝撃緩和材４が脱落（特にスーツブロー時）する。Metals are used as the material of the basket d, and have a higher expansion coefficient than the ceramic heat storage material 1, and each time heat exchange is performed, the packing pressure (the pressure at which the basket d packs the ceramic heat storage material 1) is increased. ) Changes, and the shock absorbing material 4 drops off (particularly at the time of suit blowing) due to a change in the pack pressure (repetition of loosening or loosening).
【０００８】衝撃緩和材４の脱落が起ると、セラミック
製蓄熱材１同士ががさつきセラミック製蓄熱材１の破損
につながる。When the shock absorbing material 4 falls off, the ceramic heat storage materials 1 stick together, leading to damage of the ceramic heat storage material 1.
【０００９】本考案は、以上の問題点を解決することが
できるセラミック製蓄熱材を内蔵する熱交換器を提供し
ようとするものである。The present invention aims to provide a heat exchanger incorporating a ceramic heat storage material which can solve the above problems.
【００１０】[0010]
【課題を解決するための手段】本考案は、ハニカム状の
仕切壁によって複数の流体通路が形成されたセラミック
製蓄熱材を内蔵する熱交換器において、セラミック製蓄
熱材とこれを収納するバスケットとの間及びセラミック
製蓄熱材相互の間に挿入される衝撃緩和材の少くともい
ずれかに多数の気泡を封入した。SUMMARY OF THE INVENTION The present invention relates to a heat exchanger incorporating a ceramic heat storage material having a plurality of fluid passages formed by honeycomb-shaped partition walls, and a ceramic heat storage material and a basket for storing the same. A large number of air bubbles were sealed in at least one of the shock absorbing materials inserted between the ceramic heat storage materials.
【００１１】[0011]
【作用】本考案では、セラミック製蓄熱材とこれを収納
するバスケットとの間及びセラミック製蓄熱材相互の間
に挿入される衝撃緩和材の少くともいずれかに多数の気
泡を封入しているために、衝撃緩和材が熱を受けると気
泡内の気体が膨張し、衝撃緩和材が膨張する。これによ
って、バスケットとセラミック製蓄熱材との間の熱膨張
の差が吸収され、衝撃緩和材の脱落が防止される。In the present invention, at least one of the shock absorbing materials inserted between the ceramic heat storage material and the basket storing the ceramic heat storage material and between the ceramic heat storage materials contains many bubbles. When the shock absorbing material receives heat, the gas in the bubbles expands, and the shock absorbing material expands. This absorbs the difference in thermal expansion between the basket and the ceramic heat storage material, and prevents the shock absorbing material from falling off.
【００１２】[0012]
【実施例】本考案の第１の実施例を、図１ないし図３に
よって説明する。本実施例は、図５ないし図７に示すも
のと同様なセラミック製蓄熱材を内蔵する熱交換器に係
るものであり、同一の部分は、図１ないし図３において
図５ないし図７と同じ符号が付せられている。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment of the present invention will be described with reference to FIGS. This embodiment relates to a heat exchanger incorporating a ceramic heat storage material similar to that shown in FIGS. 5 to 7, and the same parts are the same as FIGS. 5 to 7 in FIGS. Signs are attached.
【００１３】本実施例において、図５ないし図７に示す
熱交換器の衝撃緩和材４を設けた所に熱膨張性の衝撃緩
和材５が設けられている。即ち、図１に示すように、セ
ラミック製蓄熱材１，１の間に衝撃緩和材５が設けられ
ている。In this embodiment, a thermal expansion shock absorbing material 5 is provided at the place where the shock absorbing material 4 of the heat exchanger shown in FIGS. 5 to 7 is provided. That is, as shown in FIG. 1, the shock absorbing material 5 is provided between the ceramic heat storage materials 1 and 1.
【００１４】衝撃緩和材５は、超高分子量ポリエチレ
ン、４ふっ化エチレン、その他の耐熱高分子材等の母材
８で構成され、図２に示すように、母材８内に空気又は
不活性ガス等の気体７が封入された多数の独立気泡６を
備えている。気泡６による空隙率は６５〜９５％に設定
されている。The shock absorbing material 5 is made of a base material 8 such as ultra-high molecular weight polyethylene, tetrafluoroethylene, or other heat-resistant polymer material. As shown in FIG. It has a number of closed cells 6 in which a gas 7 such as a gas is sealed. The porosity due to the bubbles 6 is set to 65 to 95%.
【００１５】衝撃緩和材５は、熱を受けると気泡６内の
気体７が膨張してその幅が増大する。従って、衝撃緩和
材５の室温時の幅をｗo 、温度がΔｔだけ変化した時の
幅をｗとすると、 ｄ／ｄｏ＝１＋βΔｔ の関係が成立する。ここで、βは衝撃緩和材５の空隙率
によって決まる定数である。従って、衝撃緩和材５のｗ
／ｗo と温度との関係は、図３に示すような熱膨張性を
示すことになる。When the shock absorbing material 5 receives heat, the gas 7 in the bubbles 6 expands and its width increases. Therefore, assuming that the width of the shock absorbing material 5 at room temperature is w o and the width when the temperature changes by Δt is w, a relationship of d / do = 1 + βΔt is established. Here, β is a constant determined by the porosity of the shock absorbing material 5. Accordingly, w of the shock absorbing material 5
The relationship between / w o and temperature indicates a thermal expansion property as shown in FIG.
【００１６】本実施例では、バスケットｄの材料として
は金属が用いられているためにセラミック製蓄熱材１よ
りその膨張係数が高く、熱交換器の温度が上昇するとバ
スケットｄとセラミック製蓄熱材１との間のパック圧が
減少する傾向を生ずるが、その際には、セラミック製蓄
熱材１，１間の衝撃緩和材５が、前記のように膨張し、
パック圧を一定に保つことができる。従って、熱交換を
行うごとにパック圧が変化することがなく、衝撃緩和材
５が脱落してセラミック製蓄熱材１が破損することを防
止することができる。In this embodiment, since the metal of the basket d is made of metal, the expansion coefficient is higher than that of the ceramic heat storage material 1. When the temperature of the heat exchanger rises, the basket d and the ceramic heat storage material 1 are heated. Between the ceramic heat storage materials 1 and 1, the shock absorbing material 5 expands as described above,
The pack pressure can be kept constant. Therefore, the pack pressure does not change every time heat is exchanged, and it is possible to prevent the shock absorbing material 5 from falling off and the ceramic heat storage material 1 from being damaged.
【００１７】なお、本実施例において、衝撃緩和材５の
熱膨張の割合は、その内部に設けられる気泡６の数を変
えることによって変えることができ、これによって前記
のパック圧を一定に保つことができるような適宜の熱膨
張性を衝撃緩和材５に付与することができる。In this embodiment, the rate of thermal expansion of the shock absorbing material 5 can be changed by changing the number of the bubbles 6 provided therein, thereby keeping the pack pressure constant. The shock absorbing material 5 can be provided with an appropriate thermal expansion property such as that described above.
【００１８】本考案の第２の実施例を、図４によって説
明する。本実施例は、前記第１の実施例におけると同様
な構成の独立気泡をもつ衝撃緩和材５をバスケットｄと
セラミック製蓄熱材１との間に設け、セラミック製蓄熱
材１，１の間には、図５ないし図７に示す熱交換器と同
様な衝撃緩和材４を設置したものである。A second embodiment of the present invention will be described with reference to FIG. In this embodiment, the shock absorbing material 5 having closed cells having the same structure as that of the first embodiment is provided between the basket d and the ceramic heat storage material 1, and between the ceramic heat storage materials 1 and 1. Is provided with a shock absorber 4 similar to the heat exchanger shown in FIGS.
【００１９】本実施例においても、前記第１の実施例に
おけると同様に、熱膨張性のある衝撃緩和材５によっ
て、温度変化があってもバスケットｄとセラミック製蓄
熱材１の間のパック圧を一定に保つことができ、衝撃緩
和材４，５の脱落を防止することができる。Also in this embodiment, as in the first embodiment, the pack pressure between the basket d and the ceramic heat storage material 1 is changed by the thermal expansion material 5 even if the temperature changes. Can be kept constant, and the impact absorbing members 4 and 5 can be prevented from falling off.
【００２０】なお、前記第１及び第２の実施例は、それ
ぞれセラミック製蓄熱材の間又はセラミック製蓄熱材と
バスケットの間に独立気泡をもつ衝撃緩和材５を設置し
ているが、本考案においては、セラミック製蓄熱材の間
及びセラミック製蓄熱材とバスケットの間の両者に独立
気泡をもつ衝撃緩和材５を設置するようにすることもで
きる。In the first and second embodiments, the shock absorbing material 5 having closed cells is provided between the ceramic heat storage material or between the ceramic heat storage material and the basket. In the above, the shock absorbing material 5 having closed cells may be provided both between the ceramic heat storage material and between the ceramic heat storage material and the basket.
【００２１】[0021]
【考案の効果】本考案は、セラミック蓄熱材とこれを収
納するバスケットとの間及びセラミック製蓄熱材相互の
間に挿入される衝撃緩和材の少くともいずれかに多数の
気泡を封入したことによって、衝撃緩和材の脱落を防止
し、これによってセラミック蓄熱材の破損を防止するこ
とができる。According to the present invention, a large number of air bubbles are sealed in at least one of the shock absorbing materials inserted between the ceramic heat storage material and the basket storing the ceramic heat storage material and between the ceramic heat storage materials. In addition, it is possible to prevent the shock absorbing material from falling off, thereby preventing the ceramic heat storage material from being damaged.
【図１】本考案の第１の実施例の平面図である。FIG. 1 is a plan view of a first embodiment of the present invention.
【図２】同第１の実施例の熱膨張性の衝撃緩和材の断面
図である。FIG. 2 is a cross-sectional view of the thermal expansion shock absorbing material of the first embodiment.
【図３】前記熱膨張性の衝撃緩和材の温度と幅膨張率の
関係の１例を示すグラフである。FIG. 3 is a graph showing an example of the relationship between the temperature of the thermal expansion shock absorbing material and the coefficient of width expansion.
【図４】本考案の第２の実施例を示し、図４（ａ）はそ
の平面図、図４（ｂ）はその要部の拡大図である。FIG. 4 shows a second embodiment of the present invention, wherein FIG. 4 (a) is a plan view thereof, and FIG. 4 (b) is an enlarged view of a main part thereof.
【図５】従来の回転再生式熱交換器の１例としての空気
予熱器のロータの部分を示す概略斜視図である。FIG. 5 is a schematic perspective view showing a rotor part of an air preheater as an example of a conventional rotary regeneration type heat exchanger.
【図６】前記従来の空気予熱器のセラミック製蓄熱材の
斜視図である。FIG. 6 is a perspective view of a ceramic heat storage material of the conventional air preheater.
【図７】前記従来の空気予熱器のセラミック製蓄熱材を
収納したバスケットの平面図である。FIG. 7 is a plan view of a basket containing a ceramic heat storage material of the conventional air preheater.
１ セラミック製蓄熱材 ２ 仕切壁 ３ 流体通路 ４，５ 衝撃緩和材 ６ 気泡 ７ 気体 ８ 衝撃緩和材の母材 ａ ロータ ｂ 回転軸 ｃ 外殻 ｄ バスケット ｅ ロータ上面シール ｆ ロータ側面シール DESCRIPTION OF SYMBOLS 1 Ceramic heat storage material 2 Partition wall 3 Fluid passage 4,5 Shock absorbing material 6 Bubbles 7 Gas 8 Shock absorbing material base material a Rotor b Rotating shaft c Outer shell d Basket e Rotor upper surface seal f Rotor side seal
Claims (1)
通路が形成されたセラミック製蓄熱材を内蔵する熱交換
器において、セラミック製蓄熱材とこれを収納するバス
ケットとの間及びセラミック製蓄熱材相互の間に挿入さ
れる衝撃緩和材の少くともいずれかに多数の気泡を封入
したことを特徴とするセラミック製蓄熱材を内蔵する熱
交換器。In a heat exchanger containing a ceramic heat storage material having a plurality of fluid passages formed by honeycomb-shaped partition walls, a ceramic heat storage material and a basket containing the ceramic heat storage material and a ceramic heat storage material are provided. A heat exchanger incorporating a ceramic heat storage material, wherein a large number of air bubbles are sealed in at least one of the shock absorbing materials inserted between them.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1993002473U JP2567691Y2 (en) | 1993-02-03 | 1993-02-03 | Heat exchanger with built-in ceramic heat storage material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1993002473U JP2567691Y2 (en) | 1993-02-03 | 1993-02-03 | Heat exchanger with built-in ceramic heat storage material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0665770U JPH0665770U (en) | 1994-09-16 |
| JP2567691Y2 true JP2567691Y2 (en) | 1998-04-02 |
Family
ID=11530304
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1993002473U Expired - Fee Related JP2567691Y2 (en) | 1993-02-03 | 1993-02-03 | Heat exchanger with built-in ceramic heat storage material |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2567691Y2 (en) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0429246U (en) * | 1990-06-30 | 1992-03-09 |
-
1993
- 1993-02-03 JP JP1993002473U patent/JP2567691Y2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0665770U (en) | 1994-09-16 |
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|---|---|---|---|
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 19971104 |
|
| LAPS | Cancellation because of no payment of annual fees |