JP2936152B2 - Fluid heater - Google Patents
Fluid heaterInfo
- Publication number
- JP2936152B2 JP2936152B2 JP1923996A JP1923996A JP2936152B2 JP 2936152 B2 JP2936152 B2 JP 2936152B2 JP 1923996 A JP1923996 A JP 1923996A JP 1923996 A JP1923996 A JP 1923996A JP 2936152 B2 JP2936152 B2 JP 2936152B2
- Authority
- JP
- Japan
- Prior art keywords
- fluid
- heater
- pipe
- watt density
- outlet
- 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
- Direct Air Heating By Heater Or Combustion Gas (AREA)
- Instantaneous Water Boilers, Portable Hot-Water Supply Apparatuses, And Control Of Portable Hot-Water Supply Apparatuses (AREA)
Description
【０００１】[0001]
【発明の属する技術分野】本発明は流体加熱ヒーター、
特に、流体を螺旋状通路を通して加熱するようにした流
体加熱ヒーターに関するものである。TECHNICAL FIELD The present invention relates to a fluid heater,
In particular, it relates to a fluid heater configured to heat a fluid through a spiral passage.
【０００２】[0002]
【従来の技術】図３は従来の流体加熱ヒーターを示し、
１は流体管、２はこの流体管１内に設けた電気ヒータ
ー、３は上記流体管１内を流れる空気やガス等の被加熱
流体、４は上記流体管１内に軸方向に互いに離間して流
体管１の内壁面から中心方向に向かって交互に延ばした
邪魔板、５は流体入口、６は流体出口である。2. Description of the Related Art FIG. 3 shows a conventional fluid heater.
1 is a fluid pipe, 2 is an electric heater provided in the fluid pipe 1, 3 is a fluid to be heated such as air or gas flowing in the fluid pipe 1, 4 is an axially spaced apart pipe in the fluid pipe 1. The baffle plates 5 extend alternately from the inner wall surface of the fluid pipe 1 toward the center, 5 is a fluid inlet, and 6 is a fluid outlet.
【０００３】このような従来の流体加熱ヒーターにおい
ては、被加熱流体３は流体入口５から流体出口６に向か
ってヒーター２によって加熱されながら図３における曲
線のように邪魔板４の作用で流体管１内を邪魔板４の先
端部を頂点とするサインカーブ状に流れるようになり、
この結果被加熱流体３はヒーター２によって効果的に加
熱されるようになる。[0003] In such a conventional fluid heater, the fluid pipe by the action of the baffle plate 4 as shown by the curve in FIG. 3 while being heated heated fluid 3 by the heater 2 toward the fluid inlet 5 to the fluid outlet 6 1 flows in a sine curve with the tip of the baffle plate 4 at the top,
As a result, the heated fluid 3 is effectively heated by the heater 2.
【０００４】[0004]
【発明が解決しようとする課題】しかしながら、このよ
うな従来の流体加熱ヒーターにおいては、邪魔板４の根
本付近で乱流が発生し、被加熱流体３への熱伝達が悪く
なるという欠点があった。また、ヒーターの部分的な過
熱を発生しやすく、ヒーターを焼損する場合があり、ヒ
ーターの限界温度近傍では使用できなかった。However, such a conventional fluid heater has a drawback that a turbulent flow is generated near the base of the baffle plate 4 and heat transfer to the fluid 3 to be heated is deteriorated. Was. Further, partial overheating of the heater is apt to occur, and the heater may be burned out. Therefore, the heater cannot be used near the limit temperature of the heater.
【０００５】本発明はこのような欠点を除くようにした
ものである。The present invention has been made to eliminate such disadvantages.
【０００６】[0006]
【課題を解決するための手段】本発明の流体加熱ヒータ
ーは、被加熱流体を流す流体管と、この流体管内中心に
軸方向に配置された内管と、この内管の外周に軸方向に
螺旋状に巻回された、流体整流板と、この流体整流板を
貫通して軸方向に延びる円周上に配列された複数の棒状
ヒーターとより成ることを特徴とする。SUMMARY OF THE INVENTION A fluid heating heater according to the present invention includes a fluid pipe through which a fluid to be heated flows, and a fluid pipe in a center of the fluid pipe .
An inner tube disposed in the axial direction, are wound in a spiral manner around the circumference of the inner tube in the axial direction, and the fluid flow rectifying plate, the fluid flow rectifying plate
Multiple rods arranged on a circumference that extends through and extends in the axial direction
And a heater .
【０００７】本発明の流体加熱ヒーターにおいては、上
記流体管の流体出口にこれを塞ぐよう多孔板を配置す
る。In the fluid heater of the present invention, a perforated plate is disposed at the fluid outlet of the fluid pipe so as to close the fluid outlet.
【０００８】本発明の流体加熱ヒーターにおいては、上
記ヒーターが、流体入口では大ワット密度、流体出口で
は小ワット密度としたことを特徴とする。In the fluid heater according to the present invention, the heater has a large watt density at a fluid inlet and a small watt density at a fluid outlet.
【０００９】本発明の流体加熱ヒーターにおいては、上
記ヒーターが、流体入口では大ワット密度、流体出口で
は小ワット密度、中間位置では中ワット密度としたこと
を特徴とする。In the fluid heating heater according to the present invention, the heater has a large watt density at a fluid inlet, a small watt density at a fluid outlet, and a medium watt density at an intermediate position.
【００１０】[0010]
【発明の実施の形態】以下図面によって本発明の実施例
を説明する。Embodiments of the present invention will be described below with reference to the drawings.
【００１１】本発明の第１の実施例においては図１に示
すように、例えば内径１００ｍｍの流体管１内に同心状
に小径の内管７を配置し、この内管７の外周にこれを螺
旋状に取り巻く上記流体管１の内周面に接する流体整流
板８を取り付け、この流体整流板８を貫通して軸方向に
延びるヒーター２を例えば９本、円周方向に互いに離間
して配置する。In the first embodiment of the present invention, as shown in FIG. 1, for example, a small-diameter inner pipe 7 is concentrically arranged in a fluid pipe 1 having an inner diameter of 100 mm, A fluid rectifying plate 8 is attached in contact with the inner peripheral surface of the helically surrounding fluid pipe 1, and, for example, nine heaters 2 that extend through the fluid rectifying plate 8 and extend in the axial direction are spaced apart from each other in the circumferential direction. I do.
【００１２】本発明の第１の実施例は上記のような構成
であるから、流体入口５から流体出口６に向かって流れ
る被加熱流体３は流体整流板８に沿った整流となり、流
体の流れが均一となって加熱効率が向上するようにな
る。Since the first embodiment of the present invention is configured as described above, the fluid 3 to be heated flowing from the fluid inlet 5 to the fluid outlet 6 is rectified along the fluid rectifying plate 8, and the fluid flow And the heating efficiency is improved.
【００１３】本発明の第２の実施例においては、図２に
示すように、更に、流体管１の流体出口６に複数の孔９
をあけた多孔板１０を配置し、この多孔板１０の孔の数
及びサイズを調節して被加熱流体３の温度が流体出口６
において均一に設定温度となるようにする。In the second embodiment of the present invention, as shown in FIG.
A perforated plate 10 is provided, and the number and size of the holes in the perforated plate 10 are adjusted to adjust the temperature of the fluid 3 to be heated to the fluid outlet 6.
At the set temperature.
【００１４】本発明の第２の実施例は上記のような構成
であるから、流体出口６における被加熱流体３を均一な
設定温度となし得る。Since the second embodiment of the present invention is configured as described above, the temperature of the fluid 3 to be heated at the fluid outlet 6 can be set to a uniform set temperature.
【００１５】本発明の第３の実施例のおいては、上記ヒ
ーター２として流体入口５部分では大ワット密度、例え
ば１５Ｗ／ｃｍ2 、流体出口６部分では小ワット密度、
例えば７Ｗ／ｃｍ2 、中間部分では中ワット密度、例え
ば１０Ｗ／ｃｍ2 とする。In the third embodiment of the present invention, the heater 2 has a large watt density, for example, 15 W / cm 2 at the fluid inlet 5 and a small watt density at the fluid outlet 6, as the heater 2.
For example, the watt density is 7 W / cm 2 , and the middle portion has a medium watt density, for example, 10 W / cm 2 .
【００１６】本発明の第３の実施例によれば、流体入口
５における、例えば２０℃の被加熱流体３がヒーター２
によって加熱され、以下流れに従って次第に高温とな
り、流体出口６においてはヒーター２のワット数が小さ
くても、例えば８００℃の高温となるが、ヒーター２は
オーバーヒートしないようになる。According to a third embodiment of the present invention, the fluid to be heated 3 at, for example, 20.degree.
In the fluid outlet 6, even if the wattage of the heater 2 is small, the temperature becomes 800 ° C., for example, but the heater 2 does not overheat.
【００１７】これに対し、軸方向でワット数が一定の値
であるヒーターを用いた場合には流体出口でヒーターが
オーバーヒート状態となる。On the other hand, when a heater having a constant wattage in the axial direction is used, the heater is overheated at the fluid outlet.
【００１８】[0018]
【発明の効果】上記のように本発明の流体加熱ヒーター
によれば、効率の良い流体加熱を実現できるばかりでな
く、ヒーターの寿命を延ばし得る等大きな利益がある。As described above, according to the fluid heater of the present invention, not only efficient fluid heating can be realized, but also there is a great advantage that the life of the heater can be extended.
【図１】本発明の流体加熱ヒーターの断面図である。FIG. 1 is a sectional view of a fluid heater according to the present invention.
【図２】本発明の流体加熱ヒーターの他の実施例を示す
断面図である。FIG. 2 is a sectional view showing another embodiment of the fluid heater of the present invention.
【図３】従来の流体加熱ヒーターの断面図である。FIG. 3 is a cross-sectional view of a conventional fluid heater.
１ 流体管 ２ ヒーター ３ 被加熱流体 ４ 邪魔板 ５ 流体入口 ６ 流体出口 ７ 内管 ８ 流体整流板 ９ 孔 １０ 多孔板 DESCRIPTION OF SYMBOLS 1 Fluid pipe 2 Heater 3 Fluid to be heated 4 Baffle plate 5 Fluid inlet 6 Fluid outlet 7 Inner tube 8 Fluid flow regulating plate 9 Hole 10 Perforated plate
Claims (4)
内中心に軸方向に配置された内管と、この内管の外周に
軸方向に螺旋状に巻回された、流体整流板と、この流体
整流板を貫通して軸方向に延びる円周上に配列された複
数の棒状ヒーターとより成ることを特徴とする流体加熱
ヒーター。1. A fluid pipe through which a fluid to be heated flows, an inner pipe disposed axially at the center of the fluid pipe , and spirally wound around the outer circumference of the inner pipe in an axial direction . Fluid current plate and this fluid
Duplexes arranged on a circumference extending in the axial direction through the current plate
A fluid heater comprising a number of rod-shaped heaters.
多孔板を配置したことを特徴とする請求項１記載の流体
加熱ヒーター。2. The fluid heating heater according to claim 1, wherein a perforated plate is disposed at a fluid outlet of the fluid pipe so as to close the fluid outlet.
密度、流体出口では小ワット密度としたことを特徴とす
る請求項１または２記載の流体加熱ヒーター。3. The fluid heating heater according to claim 1, wherein the heater has a large watt density at a fluid inlet and a small watt density at a fluid outlet.
密度、流体出口では小ワット密度、中間位置では中ワッ
ト密度としたことを特徴とする請求項１または２記載の
流体加熱ヒーター。4. The fluid heater according to claim 1, wherein the heater has a large watt density at a fluid inlet, a small watt density at a fluid outlet, and a medium watt density at an intermediate position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1923996A JP2936152B2 (en) | 1996-01-11 | 1996-01-11 | Fluid heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1923996A JP2936152B2 (en) | 1996-01-11 | 1996-01-11 | Fluid heater |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH09196470A JPH09196470A (en) | 1997-07-31 |
| JP2936152B2 true JP2936152B2 (en) | 1999-08-23 |
Family
ID=11993851
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1923996A Expired - Fee Related JP2936152B2 (en) | 1996-01-11 | 1996-01-11 | Fluid heater |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2936152B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010121930A (en) * | 2007-05-21 | 2010-06-03 | Isao Denki Kk | Gas heater, and warm air generating machine and superheated steam generator using it |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4818778B2 (en) * | 2006-03-31 | 2011-11-16 | アイシン精機株式会社 | Reformer |
| CN103022533A (en) * | 2011-09-23 | 2013-04-03 | 扬光绿能股份有限公司 | power supply |
| JP2014047390A (en) * | 2012-08-31 | 2014-03-17 | Jfe Steel Corp | Pulverized coal injection device for blast furnace and pulverized coal injection method into blast furnace |
| CN111810981B (en) * | 2020-08-14 | 2026-04-28 | 李昌风 | Air preheater |
-
1996
- 1996-01-11 JP JP1923996A patent/JP2936152B2/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010121930A (en) * | 2007-05-21 | 2010-06-03 | Isao Denki Kk | Gas heater, and warm air generating machine and superheated steam generator using it |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH09196470A (en) | 1997-07-31 |
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| LAPS | Cancellation because of no payment of annual fees |