JP2920184B2 - Fluid heater - Google Patents
Fluid heaterInfo
- Publication number
- JP2920184B2 JP2920184B2 JP12621297A JP12621297A JP2920184B2 JP 2920184 B2 JP2920184 B2 JP 2920184B2 JP 12621297 A JP12621297 A JP 12621297A JP 12621297 A JP12621297 A JP 12621297A JP 2920184 B2 JP2920184 B2 JP 2920184B2
- Authority
- JP
- Japan
- Prior art keywords
- pipe
- fluid
- heating wire
- fluid heater
- heating
- 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
- 239000012530 fluid Substances 0.000 title claims description 24
- 238000010438 heat treatment Methods 0.000 claims description 22
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 230000008018 melting Effects 0.000 claims description 2
- 238000002844 melting Methods 0.000 claims description 2
Landscapes
- 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、配管内に配置した発熱線が、配管内を流れる流体
によっても移動しない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, the present invention relates to a fluid heater in which a heating wire arranged in a pipe is not moved by a fluid flowing in the pipe.
【０００２】[0002]
【従来の技術】従来の流体加熱ヒーターにおいては、例
えば図２及び図３に示すように、非円形、例えば長円形
のコイル状発熱線１をその長径部分が軸方向に進むに従
って次第に螺旋状にねじれる形で円筒状の石英ガラス配
管２内に嵌合し、上記配管２内に空気やガス等の流体を
流すことによってこの流体を加熱している。2. Description of the Related Art In a conventional fluid heater, for example, as shown in FIGS. 2 and 3, a non-circular, for example, elliptical, coil-shaped heating wire 1 is gradually spiraled as its major diameter portion advances in the axial direction. The fluid is heated by fitting a fluid such as air or gas into the tubular quartz glass pipe 2 in a twisted manner and flowing the fluid into the pipe 2.
【０００３】[0003]
【発明が解決しようとする課題】然しながら、上記配管
２内に流体が流れたとき、その流体圧により配管２内の
発熱線１が流体の流れる方向に移動する傾向にあり、こ
のため発熱線１の位置が安定せず、発熱線の温度分布が
均一にならず、流体の加熱温度にムラが生ずるという欠
点があった。However, when a fluid flows through the pipe 2, the fluid pressure tends to cause the heating wire 1 in the pipe 2 to move in the direction in which the fluid flows. Is not stable, the temperature distribution of the heating wire is not uniform, and the heating temperature of the fluid is uneven.
【０００４】本発明は上記の欠点を除くようにしたもの
である。The present invention has been made to eliminate the above disadvantages.
【０００５】[0005]
【発明が解決しようとする課題】本発明の流体加熱ヒー
ターは、被加熱流体を流す配管と、この配管内にその長
径部分が軸方向に進むに従って次第に螺旋状にねじれる
形で嵌合される非円形のコイル状発熱線と、上記発熱線
の小径部に向って上記配管から内方に延びる突起部とよ
り成ることを特徴とする。SUMMARY OF THE INVENTION A fluid heater according to the present invention includes a pipe through which a fluid to be heated flows, and a non-fitting pipe which is fitted into the pipe in such a manner that its major diameter portion is gradually spirally twisted as it advances in the axial direction. It is characterized by comprising a circular coil-shaped heating wire and a projection extending inward from the pipe toward a small-diameter portion of the heating wire.
【０００６】上記突起部は複数であることを特徴とす
る。[0006] The present invention is characterized in that a plurality of the protrusions are provided.
【０００７】また、上記配管は、石英ガラス配管であ
り、上記突起部が上記配管を加熱溶融することにより形
成されたことを特徴とする。Further, the pipe is a quartz glass pipe, and the projection is formed by heating and melting the pipe.
【０００８】[0008]
【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.
【０００９】本発明においては図１に示すように、配管
２の外表面３の少なくとも一部にガストーチ４からガス
フレームを吹き付け、その部分を加熱溶融して上記配管
２から内方に延びる突起部５を形成せしめ、この突起部
５を上記発熱線１の小径部に対向せしめる。In the present invention, as shown in FIG. 1, a gas frame is sprayed from a gas torch 4 on at least a part of an outer surface 3 of a pipe 2, and the part is heated and melted to protrude inward from the pipe 2. Then, the protrusion 5 is made to face the small diameter portion of the heating wire 1.
【００１０】本発明の流体加熱ヒーターは上記のような
構成であるから、上記発熱線１は配管２内に延びた突起
部５によって軸方向移動が阻止され、配管２内に配置し
た発熱線１が配管２内を流れるガス等の影響を受けず、
常時発熱線１が安定に保持されるようになる。Since the fluid heater of the present invention has the above-described structure, the heating wire 1 is prevented from moving in the axial direction by the protrusion 5 extending into the pipe 2, and the heating wire 1 disposed in the pipe 2 is prevented from moving. Is not affected by the gas flowing through the pipe 2,
The heating wire 1 is always stably held.
【００１１】なお、上記突起部５を発熱線の長さ方向
に、所定の間隔をもって複数個形成せしめればさらに発
熱線１を安定に保持することができる。If the plurality of protrusions 5 are formed at predetermined intervals in the length direction of the heating wire, the heating wire 1 can be held more stably.
【００１２】[0012]
【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、発熱線１は配管２内面に位置する突起部５に
より固定されるので、流体の流れによって移動すること
がなく、従って、配管内の温度変化の変動がほとんどな
く、配管内を流れる流体温度の均一性を十分に保持する
ことができるという大きな利益がある。As described above, according to the fluid heater of the present invention, since the heating wire 1 is fixed by the projection 5 located on the inner surface of the pipe 2, the heating wire 1 does not move due to the flow of the fluid. There is a great advantage that there is almost no fluctuation in the temperature change in the pipe and the uniformity of the temperature of the fluid flowing in the pipe can be sufficiently maintained.
【図１】本発明の流体加熱ヒーターの縦断側面図であ
る。FIG. 1 is a vertical side view of a fluid heater according to the present invention.
【図２】従来の発熱線の端面図である。FIG. 2 is an end view of a conventional heating wire.
【図３】従来の流体加熱ヒーターの縦断側面図である。FIG. 3 is a vertical sectional side view of a conventional fluid heater.
１ 発熱線 ２ 配管 ３ 外表面 ４ ガストーチ ５ 突起部 DESCRIPTION OF SYMBOLS 1 Heating wire 2 Piping 3 Outer surface 4 Gas torch 5 Projection
Claims (3)
その長径部分が軸方向に進むに従って次第に螺旋状にね
じれる形で嵌合される非円形のコイル状発熱線と、上記
発熱線の小径部に向って上記配管から内方に延びる突起
部とより成ることを特徴とする流体加熱ヒーター。1. A pipe through which a fluid to be heated flows, a non-circular coil-shaped heating wire which is fitted into the pipe in such a manner that its major axis portion is gradually spirally twisted as it advances in the axial direction; A fluid heater comprising: a protrusion extending inward from the pipe toward a small diameter portion.
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 plurality of the protrusions are provided.
突起部が上記配管を加熱溶融することにより形成された
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 pipe is a quartz glass pipe, and the protrusion is formed by heating and melting the pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12621297A JP2920184B2 (en) | 1997-05-01 | 1997-05-01 | Fluid heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12621297A JP2920184B2 (en) | 1997-05-01 | 1997-05-01 | Fluid heater |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH10300201A JPH10300201A (en) | 1998-11-13 |
| JP2920184B2 true JP2920184B2 (en) | 1999-07-19 |
Family
ID=14929512
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12621297A Expired - Lifetime JP2920184B2 (en) | 1997-05-01 | 1997-05-01 | Fluid heater |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2920184B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002040622A (en) * | 2000-07-24 | 2002-02-06 | Kagawa Matsushita Kotobuki Electronics Industries Ltd | Heater unit and drying device |
-
1997
- 1997-05-01 JP JP12621297A patent/JP2920184B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH10300201A (en) | 1998-11-13 |
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