JPH0321374A - Steam type far infrared heater - Google Patents
Steam type far infrared heaterInfo
- Publication number
- JPH0321374A JPH0321374A JP15489289A JP15489289A JPH0321374A JP H0321374 A JPH0321374 A JP H0321374A JP 15489289 A JP15489289 A JP 15489289A JP 15489289 A JP15489289 A JP 15489289A JP H0321374 A JPH0321374 A JP H0321374A
- Authority
- JP
- Japan
- Prior art keywords
- steam
- housing plates
- drying
- far
- housing
- 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.)
- Granted
Links
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 36
- 239000010959 steel Substances 0.000 claims abstract description 36
- 239000000919 ceramic Substances 0.000 claims description 9
- 238000001035 drying Methods 0.000 abstract description 26
- 238000003466 welding Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 2
- 239000003973 paint Substances 0.000 description 11
- 239000000463 material Substances 0.000 description 8
- 238000010438 heat treatment Methods 0.000 description 7
- 230000005855 radiation Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- 229920000180 alkyd Polymers 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010981 drying operation Methods 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000000976 ink Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 238000009281 ultraviolet germicidal irradiation Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Drying Of Solid Materials (AREA)
- Coating Apparatus (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は、スチームの熱によって、遠赤外線放射セラ箋
ツクスが被覆されている部材を加熱して遠赤外線を放射
させ、この遠赤外線を被乾燥物に照射させて乾燥させる
のに使用されるスチーム式遠赤外線ヒーターに関するも
のである。[Detailed Description of the Invention] [Industrial Application Field] The present invention heats a member coated with far-infrared ray-emitting ceramics with the heat of steam to radiate far-infrared rays. This invention relates to a steam-type far-infrared heater used to irradiate and dry dry materials.
例えば、木工品、樹脂威形品などに塗装を施した塗装物
の乾燥を行う場合において、乾燥速度を速めるためにヒ
ーターの温度を高くすると、高温加熱によって塗装物で
ある木工品、樹脂威形品などが熱変形されたり、変質さ
れたりすることがある．
このため、上記したような高温を嫌う塗装物の乾燥は、
低い加熱温度で行うことが好ましい。しかし、ヒーター
の加熱温度を低くすると、乾燥効率は急激に低下してし
まう．
一方、樹脂を主戒分とする塗料に遠赤外線を照射すると
、これに効率よく吸収されるため、塗料の乾燥が速いこ
とが知られている。For example, when drying a painted object such as a woodwork or resin-shaped object, if the temperature of the heater is increased to speed up the drying speed, the high temperature heating Items may be thermally deformed or altered in quality. For this reason, drying of painted objects that dislike high temperatures as mentioned above is
It is preferable to carry out the heating at a low heating temperature. However, when the heating temperature of the heater is lowered, the drying efficiency decreases rapidly. On the other hand, it is known that when far infrared rays are irradiated onto a paint whose main component is resin, the paint dries quickly because the far infrared rays are efficiently absorbed by the infrared rays.
本発明は、主として上記したような高温加熱すると熱変
形したり、或いは変質してしまう被乾燥物の乾燥を行う
場合において、遠赤外線の放射面積を大きくすることに
より、その表面温度を低くして、全体として必要な放射
熱量を確保し、これにより被乾燥物との温度差を小さく
して、低温乾燥を行うことのできるスチーム式遠赤外線
ヒータ一を提供することを課題としてなされたものであ
る．
〔課題を解決するための手段〕
上記課題を解決するための本発明に係わるスチーム式遠
赤外線ヒーターは、スチームを通すための多数本の．ス
チーム用鋼管と、表面に遠赤外線放射セラξツクスが被
覆されていて、前記スチーム用鋼管の形状に対応する多
数の半筒部が所定の間隔をおいて設けられて波板状にな
っている二枚一組のハウジング板とから戒り、一組のハ
ウジング板の各半筒部でスチーム用鋼管を挟み込んで、
該一組のハウジング板が一体に接合されていることを特
徴としている．
〔発明の作用〕
スチームによって加熱された鋼管からハウジング板に熱
が伝導されて、このハウジング板が加熱される．ハウジ
ング板の表面には遠赤外線放射セラミックスが被覆され
ているので、ハウジング板の加熱によって遠赤外線が放
射され、この遠赤外線が被乾燥物を照射して加熱し、こ
れにより乾燥される．
一方、スチーム用鋼管を挟み込んでいる一組のハウジン
グ板は、スチーム用鋼管に対しては、種のフィンとして
機能しているので、伝熱面積が大きくなって、放射伝熱
面積が大きくなると共に、これに接している空気への伝
達熱量も大きくなる．これにより空気の温度が高められ
て、この空気の対流による伝熱作用によっても被乾燥物
が加熱されて、補助的に乾燥される．
このように、表面に遠赤外線放射セラミックスが被覆さ
れている二枚一組のハウジング板の各半筒部でスチーム
用鋼管を挟み込んで、該一組のハウジング板を一体に接
合してあるので、遠赤外線ヒーターとしての表面積（放
射面積〉が大きくなるので、その表面温度を低くしても
、全体として必要な放射熱量を確保できる．よって、乾
燥効率を低下させることなく、被乾燥物との温度差を小
さくして、低温乾燥を行うことが可能となる．〔実施例
〕
以下、実施例を挙げて、本発明を更に詳細に説明する．
第ｌ図ないし第３図において、本発明に係わるスチーム
式遠赤外線ヒーター（以下、単にヒータという）Ｈは、
スチームを通すための多数本のスチーム用鋼管１と、二
枚一組のハウジング仮２とで構成される．
ハウジング板２は、鋼板をプレス加工することにより、
スチーム用鋼管１の形状に対応する多数の半円筒部３を
幅方向に沿って所定の間隔をおいて長さ方向に設けて、
波板状に成形したものである．多数の半円筒部３は、ハ
ウジング板２の同一側に設けられている．ハウジング仮
２における相隣接する半円筒部３の間の平板部４には、
長さ方向に沿って所定の間隔をおいて空気流通穴５が設
けられている．このハウジング板２の表面２ａには、ジ
ルコニア、アルミナなどの遠赤外線放射セラミンクスが
、０．０１ないし０．２Ｈの厚さで被覆されている．
このハウジング板２を二枚一組にして、各ハウジング仮
２の半円筒部３でスチーム用鋼管１を挟み込んで、各ハ
ウジング仮２の平板部４をスボ，ト溶接（Ｗ）して一体
に接合すると、ハウジング板２の半円筒部３がスチーム
用鋼管１の外周面に密着して、これを保持した形となる
．このようにすると、管列を構戒する多数本のスチーム
用鋼管ｌの位置がハウジング板２の半円筒部３によって
定められて、多数本のスチーム用鋼管ｌと、一組のハウ
ジング板２とが一体に組み付けられる．なお、二枚一組
のハウジング板２を一体に接合する手段は、スポット溶
接に限られず、例えばボルトであってもよい．
第４図に示されるように、上記したような構威のヒータ
ーＨを定置炉６の左右両側部、並びに上部に配置し、ス
チーム用鋼管ｌにスチームを流して、受棚７に載せられ
た塗装物８の乾燥を行う．図示の定置炉６においては、
炉壁９の内側に吐出用ダクト１ｌ、及び吸入用ダクト１
２が取付けられ、ファンｌ３によって炉内の空気を循環
させて対流を生じさせており、これにより炉内の各部の
温度の偏りをなくしている．吐出用及び吸入用の各ダク
ト１１．１２に近接してヒーターＨが配置されているが
、このヒーターＨを構成しているハウジング板２の平板
部４には空気流通穴５が設けられているので、ヒーター
Ｈが障害となることなく、炉内においてこの空気流通穴
５を通って空気は円滑に対流を行う．
ヒーターＨを構成しているスチーム用鋼管ｌにスチーム
を流して、このスチーム用鋼管１を加熱すると、スチー
ム用鋼管１の外周にハウジング板２が密着しているため
に、スチーム用鋼管１からハウジング板２に熱が伝導さ
れて、これが加熱される．ハウジング板２の表面２ａに
は遠赤外線放射セラミックスが被覆されているので、ハ
ウジング板２の加熱によって遠赤外線が放射され、この
遠赤外線が受棚７で保持されている塗装物８に照射され
て、その塗料が加熱される．塗装物８は、主としてこの
遠赤外線の照射によって加熱されて、乾燥される．
また、スチーム用鋼管ｌを挟み込んでいるハウジングＦ
ｉ２は、スチーム用鋼管ｌに対してフィンとして働くの
で、伝熱面積が大きくなって、これに接している炉内の
空気温度が高められると共に、ファンｌ３の作用によっ
て炉内の空気に対流が生じているため、温度が高められ
た空気との接触による熱伝達によっても、塗装物８は加
熱されて、補助的に乾燥される．
また、ヒーターＨを１７７！ｃＬているハウジング板２
の表面２ａに遠赤外線放射セラξツクスが被覆されてい
るため、遠赤外線ヒーターとしての表面積（放射面積）
が大きくなっており、その表面温度を低くしても、乾燥
に必要な放射熱量を確保できる．このため、ヒーターＨ
の表面温度を低くして、塗装物８との温度差を小さくし
ても、効率を低下させることなく、塗装物８の乾燥を行
うことができる．このため、乾燥の際に、塗装物８が過
熱されない．
なお、上記実施例においては、ハウジング板２は、平板
状になっているが、被加熱物の形状に対応させてハウジ
ング板２をわん曲させることにより、乾燥効率を高める
ようにしてもよい．また、本発明に係わるヒーターは、
遠赤外線が吸収され易いウレタン塗料、アルキド塗料を
使用した塗装物の乾燥に適しており、第５図（イ）は、
これらの塗料によって被塗装物に下塗、中塗、上塗をそ
れぞれ施した後に本発明のヒーターを使用してこの塗装
物を乾燥させ、その後に研磨を施して製品とする場合の
使用例である．
同（口）は、紫外線硬化型塗料による上塗、及び紫外線
硬化乾燥を行う前の予熱乾燥として、本発明に係わるヒ
ーターによって、被塗装物に下塗、中塗、及びメ止目さ
れた各塗料の水分を乾燥させる場合の使用例であり、同
（ハ）は、本発明に係わるヒーターによって、紫外線硬
化型塗料による塗装を行う前の被塗装物の予備乾燥を行
う場合の使用例であり、更に同（二）は、紫外線硬化型
塗料による塗装後において、被塗装物に塗装された塗料
中の溶媒を本発明に係わるヒーターによって乾燥させ、
その後に紫外線照射によって塗膜を硬化させる場合の使
用例である．
なお、本発明に係わるヒーターは、木工品、樹脂成形品
などの塗装物の低温乾燥に対して最も適しているが、被
乾燥物は、必ずしもこれらに限られず、低温乾燥が好ま
しい祇頻に印刷されたインキ類、繊維に染色された染料
の乾燥に対しても適している．
〔発明の効果〕
（１〉遠赤外線ヒーターとしての表面積（放射面積）が
大きくなって、その表面温度を低くしても、必要な照射
熱量を確保できるので、乾燥効率を低下させることなく
、被乾燥物との温度差の小さい低温乾燥を行うことがで
きる．このため、高温加熱を行うと熱変形、或いは変質
され易い木工品、樹脂威形品などの塗装物の乾燥に対し
ては、好適である。The present invention mainly aims at lowering the surface temperature by increasing the radiation area of far-infrared rays when drying materials that are thermally deformed or altered in quality when heated at high temperatures as described above. The objective was to provide a steam-type far-infrared heater that can ensure the necessary amount of radiant heat as a whole, thereby reducing the temperature difference with the material to be dried, and performing low-temperature drying. ．． [Means for Solving the Problems] A steam-type far-infrared heater according to the present invention for solving the above-mentioned problems has a large number of heaters for passing steam. A steam steel pipe, the surface of which is coated with far-infrared emitting ceramics, and a number of half cylinder parts corresponding to the shape of the steam steel pipe are provided at predetermined intervals to form a corrugated plate shape. A steam steel pipe is sandwiched between each half-cylindrical part of a pair of housing plates.
It is characterized in that the pair of housing plates are integrally joined. [Operation of the invention] Heat is conducted from the steel pipe heated by the steam to the housing plate, and the housing plate is heated. Since the surface of the housing plate is coated with far-infrared emitting ceramics, far-infrared rays are emitted by heating the housing plate, and the far-infrared rays irradiate and heat the material to be dried, thereby drying it. On the other hand, the pair of housing plates that sandwich the steam steel pipe function as seed fins for the steam steel pipe, so the heat transfer area increases, and the radiant heat transfer area increases. , the amount of heat transferred to the air in contact with this also increases. This increases the temperature of the air, and the material to be dried is also heated by the heat transfer effect of the convection of the air, thereby supplementally drying it. In this way, a steam steel pipe is sandwiched between each half-cylindrical portion of a pair of housing plates whose surfaces are coated with far-infrared emitting ceramics, and the pair of housing plates are joined together. Since the surface area (radiation area) of the far-infrared heater becomes large, the required amount of radiant heat can be secured as a whole even if the surface temperature is lowered.Therefore, the temperature with the material to be dried can be maintained without reducing the drying efficiency. It becomes possible to reduce the difference and perform low-temperature drying. [Example] The present invention will be explained in more detail with reference to Examples below. Steam-type far-infrared heater (hereinafter simply referred to as heater) H is
It consists of a large number of steam steel pipes 1 for passing steam and a pair of temporary housings 2. The housing plate 2 is made by pressing a steel plate.
A large number of semi-cylindrical parts 3 corresponding to the shape of the steam steel pipe 1 are provided in the length direction at predetermined intervals along the width direction,
It is formed into a corrugated plate shape. A number of semi-cylindrical parts 3 are provided on the same side of the housing plate 2. The flat plate portion 4 between the adjacent semi-cylindrical portions 3 in the temporary housing 2 includes:
Air circulation holes 5 are provided at predetermined intervals along the length. The surface 2a of the housing plate 2 is coated with far-infrared emitting ceramics such as zirconia and alumina to a thickness of 0.01 to 0.2H. These housing plates 2 are made into a set of two, the steam steel pipe 1 is sandwiched between the semi-cylindrical part 3 of each temporary housing 2, and the flat plate part 4 of each temporary housing 2 is welded (W) to form one body. When joined, the semi-cylindrical part 3 of the housing plate 2 comes into close contact with the outer peripheral surface of the steam steel pipe 1 and holds it there. In this way, the positions of the large number of steam steel pipes l that control the pipe row are determined by the semi-cylindrical portion 3 of the housing plate 2, and the positions of the large number of steam steel pipes l and one set of the housing plate 2 are determined by the semi-cylindrical portion 3 of the housing plate 2. are assembled together. Note that the means for joining the two housing plates 2 together is not limited to spot welding, and may also be bolts, for example. As shown in FIG. 4, heaters H having the above-mentioned configuration are arranged on both left and right sides and the upper part of the stationary furnace 6, and steam is flowed through the steam steel pipe l, which is placed on the receiving shelf 7. Dry the painted object 8. In the illustrated stationary furnace 6,
A discharge duct 1l and a suction duct 1 are installed inside the furnace wall 9.
2 is installed, and a fan 13 circulates the air inside the furnace to generate convection, thereby eliminating temperature imbalances in various parts of the furnace. A heater H is arranged close to each of the discharge and suction ducts 11 and 12, and air circulation holes 5 are provided in the flat plate portion 4 of the housing plate 2 constituting the heater H. Therefore, air can smoothly convect through the air circulation holes 5 in the furnace without the heater H becoming an obstacle. When steam is passed through the steam steel pipe l that constitutes the heater H and the steam steel pipe 1 is heated, the housing plate 2 is in close contact with the outer periphery of the steam steel pipe 1. Heat is conducted to plate 2, which is heated. Since the surface 2a of the housing plate 2 is coated with far-infrared emitting ceramics, far-infrared rays are emitted by heating the housing plate 2, and the painted object 8 held on the receiving shelf 7 is irradiated with the far-infrared rays. , the paint is heated. The coated object 8 is heated and dried mainly by this far-infrared ray irradiation. In addition, the housing F that holds the steam steel pipe l
Since i2 acts as a fin for the steam steel pipe l, the heat transfer area becomes large, increasing the temperature of the air in the furnace in contact with it, and convection is created in the air in the furnace by the action of the fan l3. As a result, the coated object 8 is heated and additionally dried by heat transfer due to contact with the heated air. Also, heater H is 177! cL housing plate 2
Since the surface 2a of is coated with far-infrared radiation ceramics, the surface area (radiation area) as a far-infrared heater is
is large, and even if the surface temperature is lowered, the amount of radiant heat required for drying can be secured. For this reason, heater H
Even if the surface temperature of the dryer is lowered to reduce the temperature difference between the coated article 8 and the coated article 8, the coated article 8 can be dried without reducing efficiency. Therefore, the coated object 8 is not overheated during drying. In the above embodiment, the housing plate 2 has a flat plate shape, but the drying efficiency may be increased by curving the housing plate 2 in accordance with the shape of the object to be heated. Furthermore, the heater according to the present invention is
It is suitable for drying painted objects using urethane paints and alkyd paints that easily absorb far infrared rays.
This is an example of use in which a base coat, an intermediate coat, and a top coat are applied to an object to be coated using these paints, and then the coated object is dried using the heater of the present invention, and then polished to produce a product. The same applies to the water content of each paint that has been applied as a base coat, intermediate coat, and a filler to the object to be coated using the heater according to the present invention as a top coat with an ultraviolet curable paint and preheating drying before ultraviolet curing and drying. (c) is an example of use in which the heater according to the present invention is used to pre-dry an object to be coated before coating with ultraviolet curable paint; (2) After painting with the ultraviolet curable paint, the solvent in the paint applied to the object to be painted is dried by the heater according to the present invention,
This is an example of use when the coating film is then cured by UV irradiation. The heater according to the present invention is most suitable for low-temperature drying of coated objects such as woodwork and resin molded products, but the objects to be dried are not necessarily limited to these, and are often used for printing where low-temperature drying is preferred. It is also suitable for drying inks and dyes dyed on textiles. [Effects of the invention] (1) The surface area (radiation area) of the far-infrared heater is increased, and even if the surface temperature is lowered, the necessary amount of irradiation heat can be secured, so the drying efficiency can be reduced without reducing the drying efficiency. It is possible to dry at a low temperature with a small temperature difference from the dried material.For this reason, it is suitable for drying painted objects such as woodwork and resin-shaped objects that are easily thermally deformed or altered by high-temperature heating. It is.
（２）スチーム用鋼管を挟み込んでいるハウジング板が
、スチーム用鋼管のフィンとして機能するので、伝熱面
積が大きくなって、これに接している空気が熱伝達によ
って加熱され、この熱伝達の作用によっても被乾燥物が
補助的に乾燥されるため、乾燥が促進される．
（３）スチームによって加熱されたスチーム用鋼管の熱
が、伝導伝熱によって遠赤外線放射セラミンクスが被覆
されているハウジング板に伝導され、これにより遠赤外
線を放射される構戒であるので、スチーム用鋼管の間隔
を大きくすることができると共に、ハウジング板の板厚
も必要な組み付け強度を確保できれば足りる．このため
、ヒーターが軽量となって、その取扱いが容易となる．
（４）多数本のスチーム用鋼管と、二枚一組のハウジン
グ板とが一体に組み付けられていて、一つのユニットと
なっているので、乾燥炉、或いは乾燥機本体に本発明に
係わるヒーターを取付ける場合においても、スチーム用
鋼管を一本ずつ取付ける必要がなくなり、その取付けが
容易となる．(2) The housing plates that sandwich the steam steel pipe function as fins for the steam steel pipe, so the heat transfer area becomes large, and the air in contact with it is heated by heat transfer, and the effect of this heat transfer Also, drying is accelerated because the material to be dried is additionally dried. (3) The heat of the steam steel pipe heated by the steam is conducted to the housing plate coated with far-infrared radiation emitting ceramics by conduction heat transfer, and the far-infrared rays are thereby radiated. It is sufficient if the distance between the steel pipes can be increased and the thickness of the housing plate can ensure the required assembly strength. This makes the heater lightweight and easy to handle.
(4) Since a large number of steam steel pipes and a set of two housing plates are assembled into one unit, the heater according to the present invention can be installed in a drying oven or dryer body. When installing, there is no need to install the steam steel pipes one by one, making the installation easier.
第１図は、本発明に係わるヒーターＨの断面図、第２図
は、同じく拡大断面図、第３図は、本発明に係わるヒー
ターＨを構成している多数本のスチーム用鋼管ｌと、二
枚一組のハウジング板２の分解斜視図、第４図は、本発
明に係わるヒーターＨを備えた定置炉６の断面図、第５
図（イ）ないし（二）は、いずれも本発明に係わるヒー
ターＨを使用して種々の乾燥を行う場合の工程図である
．本発明を構威している主要部分の符号の説明は以下の
通りである．
Ｈ：ヒーター Ｗ：スポット溶接ｌ：スチーム
用鋼管 ２：ハウジング板３：ハウジング板の半円筒
部（半筒部）４：ハウジング板の平板部
５：空気流通穴FIG. 1 is a cross-sectional view of a heater H according to the present invention, FIG. 2 is an enlarged cross-sectional view, and FIG. 3 is a large number of steam steel pipes 1 that constitute the heater H according to the present invention. FIG. 4 is an exploded perspective view of a set of two housing plates 2, and FIG.
Figures (a) to (ii) are process diagrams for various drying operations using the heater H according to the present invention. Explanations of the symbols of the main parts that make up the present invention are as follows. H: Heater W: Spot welding l: Steel pipe for steam 2: Housing plate 3: Semi-cylindrical part (half cylinder part) of housing plate 4: Flat plate part of housing plate 5: Air circulation hole
Claims (2)
、表面に遠赤外線放射セラミックスが被覆されていて、
前記スチーム用鋼管の形状に対応する多数の半筒部が所
定の間隔をおいて設けられて波板状になっている二枚一
組のハウジング板とから成り、一組のハウジング板の各
半筒部でスチーム用鋼管を挟み込んで、該一組のハウジ
ング板が一体に接合されていることを特徴とするスチー
ム式遠赤外線ヒーター。(1) A large number of steam steel pipes for passing steam, the surface of which is coated with far-infrared emitting ceramics,
It consists of a set of two corrugated housing plates in which a number of half-cylindrical parts corresponding to the shape of the steam steel pipe are provided at predetermined intervals, and each half of the set of housing plates is A steam-type far-infrared heater characterized in that the pair of housing plates are integrally joined by sandwiching a steam steel pipe between the cylindrical parts.
部に空気流通穴が設けられていることを特徴とする請求
項１に記載のスチーム式遠赤外線ヒーター。(2) The steam-type far-infrared heater according to claim 1, wherein air circulation holes are provided in the flat plate portions of the pair of housing plates that are joined together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15489289A JPH0822416B2 (en) | 1989-06-16 | 1989-06-16 | Steam far infrared heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15489289A JPH0822416B2 (en) | 1989-06-16 | 1989-06-16 | Steam far infrared heater |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0321374A true JPH0321374A (en) | 1991-01-30 |
| JPH0822416B2 JPH0822416B2 (en) | 1996-03-06 |
Family
ID=15594235
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15489289A Expired - Fee Related JPH0822416B2 (en) | 1989-06-16 | 1989-06-16 | Steam far infrared heater |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0822416B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007502961A (en) * | 2003-08-21 | 2007-02-15 | エリクソン，ケルツ | Dehumidification method and device |
| KR20150107700A (en) * | 2015-09-03 | 2015-09-23 | 조빛나 | Umbrella drying apparatus |
-
1989
- 1989-06-16 JP JP15489289A patent/JPH0822416B2/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007502961A (en) * | 2003-08-21 | 2007-02-15 | エリクソン，ケルツ | Dehumidification method and device |
| KR20150107700A (en) * | 2015-09-03 | 2015-09-23 | 조빛나 | Umbrella drying apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0822416B2 (en) | 1996-03-06 |
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