JPH0330864A - Coating drying oven for metal plate - Google Patents
Coating drying oven for metal plateInfo
- Publication number
- JPH0330864A JPH0330864A JP16375689A JP16375689A JPH0330864A JP H0330864 A JPH0330864 A JP H0330864A JP 16375689 A JP16375689 A JP 16375689A JP 16375689 A JP16375689 A JP 16375689A JP H0330864 A JPH0330864 A JP H0330864A
- Authority
- JP
- Japan
- Prior art keywords
- hot air
- header
- metal plate
- far
- steel plate
- 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
- 238000001035 drying Methods 0.000 title claims abstract description 20
- 239000002184 metal Substances 0.000 title claims abstract description 18
- 239000011248 coating agent Substances 0.000 title claims description 8
- 238000000576 coating method Methods 0.000 title claims description 8
- 239000000463 material Substances 0.000 claims abstract description 18
- 239000003973 paint Substances 0.000 claims description 22
- 238000007664 blowing Methods 0.000 claims description 15
- 238000010438 heat treatment Methods 0.000 abstract description 28
- 229910000831 Steel Inorganic materials 0.000 abstract description 17
- 239000010959 steel Substances 0.000 abstract description 17
- 238000010422 painting Methods 0.000 abstract 1
- 238000005507 spraying Methods 0.000 abstract 1
- 230000005855 radiation Effects 0.000 description 16
- 238000000034 method Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000005416 organic matter Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 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、金属板の塗装乾燥炉に係り、特に１８０°Ｃ
〜３００°Ｃにて塗膜乾燥を行なう塗装乾燥炉に関する
。Detailed Description of the Invention [Industrial Field of Application] The present invention relates to a coating drying oven for metal plates, particularly at 180°C.
This invention relates to a paint drying oven that dries paint films at ~300°C.
［従来の技術］
従来の鋼板用塗装乾燥炉は、熱風を鋼板まわりに吹付け
る強制対流方式が一般的である。これは、溶剤の蒸発を
促進するため、雰囲気蒸気圧を常時低く保つ必要がある
ことによる。[Prior Art] Conventional paint drying furnaces for steel plates generally use a forced convection method in which hot air is blown around the steel plate. This is because it is necessary to keep the atmospheric vapor pressure low at all times to promote evaporation of the solvent.
［発明が解決しようとする課題］
然しながら、従来の強制対流方式による塗装乾燥炉には
、下記■、■の問題点がある。[Problems to be Solved by the Invention] However, the conventional forced convection type paint drying oven has the following problems (1) and (2).
■加熱能力が熱風の吹付は速度に依存するものの、吹付
は速度を上げることは塗装面の保護からして問題かある
ため、加熱効率に限界がある。■Heating ability Although blowing hot air depends on the speed, there is a limit to heating efficiency because increasing the speed of blowing poses a problem in terms of protecting the painted surface.
■塗装面の上部から乾燥硬化するため、塗膜内に気泡か
残り、品質上問題となる。■Since it dries and hardens from the top of the painted surface, air bubbles remain within the paint film, which poses a quality problem.
本発明は、金属板の塗装乾燥炉において、簡素な構成に
より、加熱効率の向上と、塗膜乾燥晶質の向上を図るこ
とを目的とする。An object of the present invention is to improve heating efficiency and dry crystallinity of a coating film with a simple configuration in a coating drying oven for metal plates.
［課題を解決するための手段コ
本発明は、熱風吹出しヘッダの吹出し部から吹出される
熱風を金属板に吹付けるように構成した金属板の塗装乾
燥炉において、熱風吹出しヘッダの金属板塗装面に相対
する部分を、遠赤外線、牧射材料にて形成したものであ
る。[Means for Solving the Problems] The present invention provides a coating drying furnace for a metal plate configured to blow hot air blown from a blowing portion of a hot air blowing header onto a metal plate. The opposite part is made of far-infrared irradiation material.
［作用］
本発明にあっては、従来の強制対流方式の限界を補うた
め、塗料中の有機物が遠赤外線を選択的に吸収すること
に着目し、熱風吹出し
ヘッダのヘッダ本体部、及びノズル部等の金属板塗装面
に相対する部分を、遠赤外線放射材料にて形成した。[Function] In order to compensate for the limitations of the conventional forced convection method, the present invention focuses on the fact that organic substances in the paint selectively absorb far infrared rays, and the present invention focuses on the fact that organic substances in the paint selectively absorb far infrared rays. The part facing the painted surface of the metal plate was made of a far-infrared emitting material.
従来の熱風吹出しヘッダでは遠赤外線を放射しないため
、放射加熱効果は殆ど期待できない。これに対し、本発
明にあっては、遠赤外線放射材料にて形成された熱風吹
出しヘッダのヘッダ本体部、又はノズル部等を、該ヘッ
ダを通過する熱風にて加熱し、該遠赤外線放射材料から
遠赤外線を放射せしめる。この遠赤外線は、金属板塗装
面に向けて放射せしめられ、塗料中の有機物に吸収され
て該塗料を加熱せしめ、この熱を金属板へ伝達せしめる
ことにて、金属板の加熱効率を大幅に向上可能とする。Conventional hot air blowing headers do not emit far infrared rays, so almost no radiation heating effect can be expected. On the other hand, in the present invention, the header main body or the nozzle part of a hot air blowing header formed of a far-infrared emitting material is heated by hot air passing through the header, and the far-infrared emitting material is heated. emits far infrared rays. This far-infrared rays are emitted toward the painted surface of the metal plate, are absorbed by the organic matter in the paint, heat the paint, and transmit this heat to the metal plate, greatly increasing the heating efficiency of the metal plate. It is possible to improve.
即ち、本発明にあっては、（Ａ）熱風吹出しヘッダから
吹出される熱風による対流加熱方式と、（Ｂ）上記（Ａ
）の熱風を熱源として加熱される遠赤外線放射材料から
放射される遠赤外線による放射加熱方式との併用により
、金属板の塗装面を乾燥するものである。That is, in the present invention, (A) a convection heating method using hot air blown from a hot air blowing header, and (B) the above (A)
) is used in combination with a radiant heating method using far infrared rays emitted from a far infrared radiation material that is heated using hot air as a heat source to dry the painted surface of a metal plate.
従って、本発明によれば、下記■〜■の作用かある。Therefore, according to the present invention, the following effects (1) to (4) are achieved.
■対流加熱方式に放射加熱方式を加えることにより、加
熱効率を大幅に向上できる。■By adding radiation heating to convection heating, heating efficiency can be greatly improved.
■熱風吹出しヘッダのへツタ本体部、又はノズル部等の
金属板塗装面に相対する部分を遠赤外線放射材料にて形
成するのみで構成でき、該遠赤外線放射材料の熱源は対
流加熱のために移動している熱風を利用できるから、構
成簡素である。■It can be constructed by simply forming the part of the hot air blowing header that faces the painted surface of the metal plate, such as the header body or the nozzle part, with a far-infrared radiation material, and the heat source of the far-infrared radiation material is used for convection heating. The configuration is simple because it can utilize moving hot air.
■遠赤外線放射焼付により、塗装面の内部から乾燥硬化
することができ、塗膜内に気泡を残すことなく、塗膜乾
燥品質を向上できる。■By far-infrared radiation baking, it is possible to dry and harden the painted surface from within, improving the drying quality of the paint film without leaving any air bubbles inside the paint film.
［実施例コ
第１図は本発明の一実施例に係る塗装乾燥炉を示す模式
図、第２図は第１図の熱風吹出しヘッダを示す模式図、
第３図は第２図の要部を示す断面図である。[Embodiment] Fig. 1 is a schematic diagram showing a paint drying oven according to an embodiment of the present invention, Fig. 2 is a schematic diagram showing the hot air blowing header of Fig. 1,
FIG. 3 is a sectional view showing the main part of FIG. 2.
塗装乾燥炉１０は炉体１０Ａの内部に熱風吹出しへツタ
１１を有して構成され、該ヘッダ１１は鋼板１２の通板
ラインの上下に設けられ該鋼板１２の表裏の塗装面を加
熱乾燥可能とする。The paint drying oven 10 has a hot air blowout header 11 inside the oven body 10A, and the header 11 is provided above and below the threading line of the steel plate 12, and is capable of heating and drying the front and back painted surfaces of the steel plate 12. shall be.
Ｐす風吹出しへツタ１１は、ヘッダ本体部１１Ａとノズ
ル部１１Ｂを備えるとともに、熱風取入口１３を備える
。これにより、熱風吹出しへツタ１１は、熱風をヘッダ
本体部１１Ａに循環的に供給する状１）Ｆて、該熱風を
ノズル部１１Ｂから鋼板１２まわりに吹付ける。鋼板１
２まわりに吹付けられた熱風は、循環ダクト１４にて炉
外に出て、再加熱後、再び取入口１３よりヘッダ１１へ
１共手合される。The wind blower 11 includes a header main body portion 11A and a nozzle portion 11B, as well as a hot air intake port 13. As a result, the hot air blowing ivy 11 circulates hot air to the header body 11A and blows the hot air around the steel plate 12 from the nozzle 11B. steel plate 1
The hot air blown around the header 2 exits the furnace through the circulation duct 14, and after being reheated, it is returned to the header 11 through the intake port 13.
然るに、塗装乾燥炉１０にあっては、熱風吹出しへツタ
１１のヘッダ本体部１１Ａ、又はノズル部ＬＩＢ等の鋼
板１２の塗装面に相対する部分を、塗料の選択吸収能に
優れた遠赤外線放射材料にて形成している。However, in the paint drying oven 10, the parts facing the painted surface of the steel plate 12, such as the header body part 11A of the ivy 11 or the nozzle part LIB, are exposed to far-infrared radiation having excellent selective absorption ability of the paint. It is made of material.
この時、遠赤外線放射材料としては、例えばステンレス
鋼表面に特殊酸化処理により酸化被膜を生しさせたもの
が用いられる。At this time, the far-infrared ray emitting material used is, for example, stainless steel on which an oxide film is formed by special oxidation treatment.
次に、上記実施例の作用について説明する。Next, the operation of the above embodiment will be explained.
上記実施例にあっては、遠赤外線放射材料にて形成され
た熱風吹出しへツタ１１のヘッダ本体部１１Ａ、又はノ
ズル部１１Ｂ等を、該ヘッダ１１を通過する熱風にて加
熱し、該遠赤外線放射材料から遠赤外線を放射せしめる
。この遠赤外線は、鋼板塗装面に向けて放射せしめられ
、塗料中の有機物に吸収されて該塗料を発熱せしめ、こ
の発熱を鋼板１２へ熱伝達せしめることにて、鋼板１２
の加熱効率を大幅に向上可能とする。In the above embodiment, the header main body part 11A or the nozzle part 11B of the ivy 11 is heated by the hot air passing through the header 11, and the far infrared rays are emitted. The radiation material emits far infrared rays. This far-infrared rays are emitted toward the painted surface of the steel plate, are absorbed by the organic matter in the paint, cause the paint to generate heat, and transfer this heat to the steel plate 12.
This makes it possible to significantly improve heating efficiency.
即ち、上記実施例にあっては、（Ａ）熱風吹出しへツタ
１１から吹出される熱風による対流加熱方式と、（Ｂ）
上記（Ａ）の熱風を熱源として加熱される遠赤外線放射
材料から放射される遠赤外線による放射加熱方式との併
用により、鋼板１２の塗装面を乾燥するものである。That is, in the above embodiment, (A) a convection heating method using hot air blown from the ivy 11 to the hot air blower; and (B)
The coated surface of the steel plate 12 is dried by using the above-mentioned (A) radiation heating method using far infrared rays emitted from a far infrared radiation material heated using hot air as a heat source.
従って、上記実施例によれば、下記■〜■の効果がある
。Therefore, according to the above embodiment, the following effects (1) to (4) are obtained.
■対流加熱方式に放射加熱方式を加えることにより、加
熱能力を大幅に同上できる。■By adding the radiation heating method to the convection heating method, the heating capacity can be significantly increased.
■熱風吹出しへツタ１１のヘッダ本体部１１Ａ、及びノ
ズル部１１Ｂ等の鋼板塗装面に相対する部分を遠赤外線
放射材料にて形成するのみで構成でき、該遠赤外線放射
材料の熱源は対流加熱のために移動している熱風を利用
できるから、熱効率が良く、構成簡素である。■It can be constructed by simply forming the header main body 11A of the ivy 11 and the parts facing the painted steel plate surface, such as the nozzle part 11B, with a far-infrared radiation material, and the heat source of the far-infrared radiation material is a convection heating. Since the hot air that is being moved can be utilized, the thermal efficiency is good and the structure is simple.
■遠赤外線放射焼付により、塗装面の内部から乾燥硬化
することができ、塗膜内に気泡を残すことなく、塗膜乾
燥品質を向上できる。■By far-infrared radiation baking, it is possible to dry and harden the painted surface from within, improving the drying quality of the paint film without leaving any air bubbles inside the paint film.
尚、本発明者の実験結果によれば、片面塗装シート鋼板
について、遠赤外線放射加熱のみにより、強制対流加熱
の８０％の加熱効率が得られることが認められた。即ち
、遠赤外線放射材料の加熱源として ３００°Ｃの熱風
を利用する時、この遠赤外線放射材料からの放射エネル
ギ及び熱風による加熱により上記鋼板を２００°Ｃ程度
まで昇温できる。In addition, according to the experimental results of the present inventor, it was recognized that for a single-sided coated sheet steel plate, heating efficiency of 80% of forced convection heating could be obtained by far-infrared radiant heating alone. That is, when hot air at 300°C is used as a heating source for the far-infrared radiation material, the temperature of the steel plate can be raised to about 200°C by the radiant energy from the far-infrared radiation material and heating by the hot air.
［発明の効果］
以上のように本発明によれば、金属板の塗装乾燥炉にお
いて、簡素な構成により、加熱効率の向上と、塗膜乾燥
品質の向上を図ることができる。[Effects of the Invention] As described above, according to the present invention, in a metal plate coating drying oven, it is possible to improve heating efficiency and coating film drying quality with a simple configuration.
第１図は本発明の一実施例に係る塗装乾燥炉を示す模式
図、第２図は第１図の熱風吹出しヘッダを示す模式図、
第３図は第２図の要部を示す断面図である。
１０・・・塗装乾・操炉、
１１・・・熱風吹出しヘッダ、
１１Ａ・・・ヘッダ本体部、
１１Ｂ・・・ノズル部。
１２・・・鋼板。FIG. 1 is a schematic diagram showing a paint drying oven according to an embodiment of the present invention, FIG. 2 is a schematic diagram showing the hot air blowing header of FIG. 1,
FIG. 3 is a sectional view showing the main part of FIG. 2. 10... Paint drying/furnace operation, 11... Hot air blowing header, 11A... Header main body, 11B... Nozzle part. 12... Steel plate.
Claims (1)
を金属板に吹付けるように構成した金属板の塗装乾燥炉
において、熱風吹出しヘッダの金属板塗装面に相対する
部分を、遠赤外線放射材料にて形成したことを特徴とす
る金属板の塗装乾燥炉。(1) In a metal plate coating drying furnace configured to blow hot air blown from the blowing part of a hot air blowing header onto a metal plate, the part of the hot air blowing header facing the painted surface of the metal plate is made of far-infrared radiating material. A paint drying furnace for metal plates, characterized in that it is formed in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16375689A JPH0330864A (en) | 1989-06-28 | 1989-06-28 | Coating drying oven for metal plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16375689A JPH0330864A (en) | 1989-06-28 | 1989-06-28 | Coating drying oven for metal plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0330864A true JPH0330864A (en) | 1991-02-08 |
Family
ID=15780105
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16375689A Pending JPH0330864A (en) | 1989-06-28 | 1989-06-28 | Coating drying oven for metal plate |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0330864A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5308171A (en) * | 1992-06-22 | 1994-05-03 | Nsk Ltd. | Axle bearing unit with rotational speed sensor |
| JP2006192861A (en) * | 2005-01-17 | 2006-07-27 | Noritake Co Ltd | Manufacturing method and equipment for flexible polyimide-metal laminate |
| JP4734198B2 (en) * | 2006-08-29 | 2011-07-27 | 三菱重工印刷紙工機械株式会社 | Base paper roll changing device and base paper roll changing method |
-
1989
- 1989-06-28 JP JP16375689A patent/JPH0330864A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5308171A (en) * | 1992-06-22 | 1994-05-03 | Nsk Ltd. | Axle bearing unit with rotational speed sensor |
| JP2006192861A (en) * | 2005-01-17 | 2006-07-27 | Noritake Co Ltd | Manufacturing method and equipment for flexible polyimide-metal laminate |
| JP4550594B2 (en) * | 2005-01-17 | 2010-09-22 | 株式会社ノリタケカンパニーリミテド | Method and apparatus for manufacturing flexible polyimide metal laminate |
| KR101247397B1 (en) * | 2005-01-17 | 2013-03-25 | 가부시키가이샤 노리타케 캄파니 리미티드 | Method and device for manufacturing a flexible polyimide metal laminate |
| JP4734198B2 (en) * | 2006-08-29 | 2011-07-27 | 三菱重工印刷紙工機械株式会社 | Base paper roll changing device and base paper roll changing method |
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