JPH01206591A - Fluid heater - Google Patents
Fluid heaterInfo
- Publication number
- JPH01206591A JPH01206591A JP2865888A JP2865888A JPH01206591A JP H01206591 A JPH01206591 A JP H01206591A JP 2865888 A JP2865888 A JP 2865888A JP 2865888 A JP2865888 A JP 2865888A JP H01206591 A JPH01206591 A JP H01206591A
- Authority
- JP
- Japan
- Prior art keywords
- fluid
- heater
- viscosity
- fluid heater
- added
- 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.)
- Pending
Links
- 239000012530 fluid Substances 0.000 title claims abstract description 29
- 238000010438 heat treatment Methods 0.000 claims description 16
- 239000007789 gas Substances 0.000 abstract description 4
- 239000000463 material Substances 0.000 abstract description 4
- 229910052751 metal Inorganic materials 0.000 abstract description 3
- 239000002184 metal Substances 0.000 abstract description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 abstract description 2
- 239000002253 acid Substances 0.000 abstract description 2
- 239000012298 atmosphere Substances 0.000 abstract description 2
- 229910052791 calcium Inorganic materials 0.000 abstract description 2
- 239000011575 calcium Substances 0.000 abstract description 2
- 229910001873 dinitrogen Inorganic materials 0.000 abstract description 2
- 238000013019 agitation Methods 0.000 abstract 1
- 239000004088 foaming agent Substances 0.000 abstract 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 150000004767 nitrides Chemical class 0.000 description 2
- 239000004604 Blowing Agent Substances 0.000 description 1
- 239000003570 air Substances 0.000 description 1
- JRPBQTZRNDNNOP-UHFFFAOYSA-N barium titanate Chemical compound [Ba+2].[Ba+2].[O-][Ti]([O-])([O-])[O-] JRPBQTZRNDNNOP-UHFFFAOYSA-N 0.000 description 1
- 229910002113 barium titanate Inorganic materials 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Resistance Heating (AREA)
Abstract
Description
【発明の詳細な説明】
産業上のり 野
この発明は、空気、ガス等の気体および油、水等の液体
まＩ〔は混合気を加熱して均一な温度分布で昇温させる
ための流体加熱用ヒーターに関する。[Detailed Description of the Invention] Industrial Rising Field This invention is a fluid heating method for heating gases such as air and gas and liquids or mixtures such as oil and water to raise the temperature with uniform temperature distribution. related to heaters.
従−のＬｉおよび１゜
従来より流体加熱用ヒーターとして電気発熱体を絶縁、
または露出した状態の棒状、パイプ状、面状等の構造と
したものがあるが、流体の接触表面積が小さく、多聞の
流体を均一に能率良く昇温させることが難しかった。Secondary Li and 1゜ Traditionally used as a fluid heating heater to insulate an electric heating element,
Alternatively, there are those with an exposed rod-like, pipe-like, or planar structure, but the contact surface area of the fluid is small, making it difficult to raise the temperature of a large amount of fluid uniformly and efficiently.
また、チタン酸バリウム半導体等の大きな正の温度抵抗
係数を有する材料でハニカム構造に成形した流体加熱用
ヒーターも製造されているが、流体の温度を２００℃以
上にすることはできなかった。Furthermore, fluid heating heaters formed into a honeycomb structure using a material having a large positive temperature resistance coefficient, such as barium titanate semiconductor, have been manufactured, but it has not been possible to raise the temperature of the fluid to 200° C. or higher.
１」！口Ｕ頗
本発明は以上の欠点を解決するためになされたものであ
り、Ａ９質多孔体であり、熱伝導率が高く、流体との接
触表面積が大きいことにより、流体の塩度を６００℃位
の温度まで昇温でき、また、昇温の立上がりも早く、電
気容量も少なくてすむ省エネルギーや経済性等の特徴の
ある流体加熱用ヒーターを提供できるものである。1”! The present invention was made in order to solve the above-mentioned drawbacks.It is an A9 porous body, has high thermal conductivity, and has a large contact surface area with the fluid, so that the salinity of the fluid can be reduced to 600℃. Therefore, it is possible to provide a heater for heating a fluid that can raise the temperature to a temperature of about 100 liters, has quick rise in temperature, requires less electric capacity, and is energy-saving and economical.
ｎｔｙ＞、。nty>,.
第１発明は特許請求の範囲第１項を要旨としている。ま
た第２発明は特許請求の範囲第２項を要旨としている。The gist of the first invention is defined in claim 1. Further, the gist of the second invention is defined in claim 2.
２ ′するための−１
第１発明では流体加熱用ヒーターは、３次元綱目骨格構
造を有する全体がＡＱで作られた多孔体である。2'-1 In the first invention, the fluid heating heater is a porous body made entirely of AQ and having a three-dimensional mesh skeleton structure.
第２発明の流体加熱用ヒーターは、特許請求の範囲の請
求項１に記載のＡ９多孔体を窒素雰囲気下６５０℃で熱
処理することによって、Ａ９の表面を窒化してへ〇Ｎ膜
を形成した多孔体である。A heater for fluid heating according to a second invention is obtained by heat-treating the A9 porous body according to claim 1 at 650° C. in a nitrogen atmosphere to nitride the surface of A9 to form a H〇N film. It is a porous body.
ところで第１発明および第２発明において、好ましくは
気泡率が８０〜９９％で、気泡径が０．１〜１０ｍｍテ
ｉＦ）ル。By the way, in the first invention and the second invention, preferably the cell ratio is 80 to 99% and the cell diameter is 0.1 to 10 mm.
第１発明および第２発明において、気泡率が８０％より
小さいと、流体との接触表面積が小さく、多量の流体を
均一に昇温できない点で問題がある。また、気泡率が９
９％より大きいと基材の強度が下がる点で問題がある。In the first invention and the second invention, if the bubble ratio is smaller than 80%, there is a problem in that the contact surface area with the fluid is small and a large amount of fluid cannot be heated uniformly. In addition, the bubble rate is 9
If it exceeds 9%, there is a problem in that the strength of the base material decreases.
さらに平均気泡径がＱ、１ｍｍより小さいと、流体の流
れが悪くなる点で好ましくない。平均気泡径が１０ｍｎ
より大きいと基材の強度が下がる点で好ましくない。Furthermore, if the average bubble diameter is smaller than Q, 1 mm, it is not preferable because fluid flow becomes poor. Average bubble diameter is 10mm
If it is larger, the strength of the base material decreases, which is not preferable.
第１発明においては、３次元網目骨格構造を有する全体
がＡＱで作られた多孔体である流体加熱用ヒーターであ
る。The first invention is a fluid heating heater which is a porous body entirely made of AQ and has a three-dimensional network skeleton structure.
第２発明においては、少なくとも表面がＡ１１Ｎからな
る流体加熱用ヒーターである。A second aspect of the present invention is a fluid heating heater whose at least the surface is made of A11N.
いずれの場合においても、熱伝導性の優れたＡＱ 、Ａ
Ｑ Ｎからなっていることから、多量の流体を均一に能
率良く昇温させることができる。In either case, AQ and A with excellent thermal conductivity are used.
Since it is made of QN, it is possible to raise the temperature of a large amount of fluid uniformly and efficiently.
支ｉ１
全体がＡＱで作られた多孔体であり、窒素雰囲気で熱処
理された流体加熱用ヒーターは、たとえば気泡率が９５
％であり、平均気泡径は２．５ｍｍである。Support i1 A fluid heating heater that is a porous body made entirely of AQ and heat-treated in a nitrogen atmosphere has a bubble rate of 95, for example.
%, and the average bubble diameter is 2.5 mm.
この発明の流体加熱用ヒーターは、Ｉことえば公知の方
法により次の様に作られる。The fluid heating heater of the present invention is manufactured by a known method as follows.
まず△Ｑ溶瀾に適当な粘性を付与する。たとえばカルシ
ウムを添加して増粘処理する（特開昭５６−１４１９６
０）。First, appropriate viscosity is imparted to the ΔQ melt. For example, calcium is added to thicken the viscosity (JP-A-56-14196
0).
次に、増粘したＡｌｌ！溶湯にガスを発生する発泡剤を
加えて撹拌し気泡を均一に分散する。Next, the thickened All! A blowing agent that generates gas is added to the molten metal and stirred to uniformly disperse air bubbles.
そして冷却凝固して窒素ガス雰囲気で熱処理する。その
後、そのままでは閉気孔が存在するため、これを弱酸溶
液に浸し、必要に応じて圧縮圧力など施して独立気泡の
隔膜部分を溶解させ、３次元網目梠造にし製品にする。Then, it is cooled, solidified, and heat-treated in a nitrogen gas atmosphere. After that, since closed pores exist if left as is, this is immersed in a weak acid solution and, if necessary, compression pressure is applied to dissolve the closed cell diaphragm portion to form a three-dimensional mesh structure into a product.
その俊、所定の厚み（たとえば２０ｍｍ）に切断するの
である。Then, it is cut to a predetermined thickness (for example, 20 mm).
このように作られた流体加熱用ヒーターは独立気泡の集
合体からなるセル構造を右する。The fluid heating heater made in this way has a cell structure consisting of an aggregate of closed cells.
別の実施例を説明する。表面がＡｌＮで作られた多孔体
の流体加熱用ヒーターは、たとえば次のように作られる
。Another example will be described. A porous fluid heating heater whose surface is made of AlN is manufactured, for example, as follows.
第２発明の流体加熱用ヒーターは、特許請求の範囲の請
求項１に記載のＡＱ多孔体を窒素雰囲気下６５０℃で熱
処理することによって、ＡＱの表面を窒化してＡｌｌ
Ｎ膜を形成した多孔体である。A heater for fluid heating according to a second aspect of the invention is provided by heat-treating the AQ porous body according to claim 1 at 650° C. in a nitrogen atmosphere to nitride the surface of the AQ and
It is a porous body with a N film formed thereon.
１１ユ１１
以上説明したように、本発明によれば熱伝導率の高いＡ
Ｑ 、 Ａｉｌ Ｎよりなり、気泡率９０〜９５％、気
泡径０．１〜５ｍｍよりなる多孔体であることにより、
流体との接触面積が大きく、昇温速度が速く電気容量も
少なくてすむものであり、流体の温度を６００℃程度に
加熱することができるものである。11 U11 As explained above, according to the present invention, A with high thermal conductivity
By being a porous body made of Q, Ail N, with a cell rate of 90 to 95% and a cell diameter of 0.1 to 5 mm,
The contact area with the fluid is large, the temperature rise rate is fast, and the electric capacity is small, and the temperature of the fluid can be heated to about 600°C.
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2865888A JPH01206591A (en) | 1988-02-12 | 1988-02-12 | Fluid heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2865888A JPH01206591A (en) | 1988-02-12 | 1988-02-12 | Fluid heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01206591A true JPH01206591A (en) | 1989-08-18 |
Family
ID=12254604
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2865888A Pending JPH01206591A (en) | 1988-02-12 | 1988-02-12 | Fluid heater |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01206591A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017527069A (en) * | 2014-06-10 | 2017-09-14 | ワンファ ケミカル グループ カンパニー，リミテッド | Heater, its use and process for preparing isocyanates using this heater |
-
1988
- 1988-02-12 JP JP2865888A patent/JPH01206591A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017527069A (en) * | 2014-06-10 | 2017-09-14 | ワンファ ケミカル グループ カンパニー，リミテッド | Heater, its use and process for preparing isocyanates using this heater |
| US10645756B2 (en) | 2014-06-10 | 2020-05-05 | Wanhua Chemical Group Co., Ltd. | Heater, use thereof and method for preparing isocyanate using heater |
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