JPS63156563A - Method for preventing mist deposition in coating and drying equipment - Google Patents
Method for preventing mist deposition in coating and drying equipmentInfo
- Publication number
- JPS63156563A JPS63156563A JP30237986A JP30237986A JPS63156563A JP S63156563 A JPS63156563 A JP S63156563A JP 30237986 A JP30237986 A JP 30237986A JP 30237986 A JP30237986 A JP 30237986A JP S63156563 A JPS63156563 A JP S63156563A
- Authority
- JP
- Japan
- Prior art keywords
- atmospheric gas
- ambient gas
- gas
- mist
- stagnate
- 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
- 239000003595 mist Substances 0.000 title claims abstract description 22
- 238000001035 drying Methods 0.000 title claims abstract description 11
- 238000000034 method Methods 0.000 title claims description 5
- 239000011248 coating agent Substances 0.000 title abstract description 8
- 238000000576 coating method Methods 0.000 title abstract description 8
- 230000008021 deposition Effects 0.000 title abstract 4
- 239000003973 paint Substances 0.000 claims abstract description 15
- 238000005507 spraying Methods 0.000 claims description 3
- 238000004880 explosion Methods 0.000 abstract description 4
- 238000007664 blowing Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 48
- 230000004060 metabolic process Effects 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 4
- 238000009825 accumulation Methods 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 238000003915 air pollution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
Landscapes
- Application Of Or Painting With Fluid Materials (AREA)
- Coating Apparatus (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
塗装乾燥設備における炉内壁等の塗装ミストの付着防止
方法の改良に関するものである。DETAILED DESCRIPTION OF THE INVENTION [Industrial Field of Application] The present invention relates to an improvement in a method for preventing paint mist from adhering to an inner wall of a furnace in paint drying equipment.
塗装乾燥オーブンの炉体内は、加熱用雰囲気ガス噴出ノ
ズル（６）から加熱用雰囲気ガスを噴出して、塗装スト
リップ（Ｓ）を上下面から加熱し、塗装ストリップ（Ｓ
）の上下面に塗布された塗料を乾燥するものであるが、
塗装ストリップ（Ｓ）の塗料からの蒸発成分がミストと
なって発生し、雰囲気ガスに混入して、雰囲気ガスと共
に炉内及び循環ダクトを循環する。Inside the furnace body of the paint drying oven, heating atmosphere gas is ejected from the heating atmosphere gas injection nozzle (6) to heat the paint strip (S) from the top and bottom surfaces.
) is used to dry the paint applied to the top and bottom surfaces of the
Evaporated components from the paint of the painted strip (S) are generated as mist, mixed with the atmospheric gas, and circulated together with the atmospheric gas in the furnace and through the circulation duct.
上記のように塗料ミストが混入した雰囲気ガスは、循環
送風機にて炉内及び循環ダクトに循環するようになって
いるが、炉内における雰囲気ガスの流速が場所によって
異なり、特に炉内角隅部は雰囲気ガスの流れが遅く淀み
状態となるため、その部分に流入した雰囲気ガスの代謝
が悪くなり、炉壁面にミストが累着していた。又、循環
ダクトでも曲り部等に淀み部が発生し、ミストが壁面に
累着して、このミストの累着層がその後剥離して雰囲気
ガスと共に噴出されて塗装ストリップ（Ｓ）の表面に付
着して塗装ストリップ（Ｓ）の表面暇となる事があった
。As mentioned above, the atmospheric gas mixed with paint mist is circulated inside the furnace and through the circulation duct by a circulation blower, but the flow rate of the atmospheric gas inside the furnace varies depending on the location, especially in the corners of the furnace. Because the flow of the atmospheric gas was slow and stagnant, the metabolism of the atmospheric gas that flowed into that area was poor, causing mist to accumulate on the furnace wall. In addition, stagnation occurs in the circulation duct at bends, etc., and the mist accumulates on the wall surface, and the accumulated layer of this mist then peels off and is ejected together with the atmospheric gas, adhering to the surface of the painted strip (S). This sometimes caused the surface of the paint strip (S) to become rough.
本発明はかかる従来例の欠点に鑑みてなされたもので、
その目的とする処は、塗装乾燥設備の雰囲気ガスの流れ
が淀み易い部位に雰囲気ガス噴流を吹き付ける事により
、雰囲気ガスの淀み部を解消し、淀みの発生し易い部位
の壁面にミストが付着するのを防止したり、可燃性ガス
である雰囲気ガスの代謝を促進し、設備内全体を爆発下
限界以下の濃度に保つ事が出来るミスト付着防止方法を
提供するにある。The present invention was made in view of the drawbacks of the conventional example, and
The purpose is to eliminate stagnation of atmospheric gas by spraying a jet of atmospheric gas onto areas where the flow of atmospheric gas in paint drying equipment tends to stagnate, and to cause mist to adhere to the walls of areas where stagnation is likely to occur. To provide a method for preventing mist adhesion, which can prevent air pollution, promote the metabolism of atmospheric gases that are flammable gases, and maintain the concentration within the entire facility below the lower explosive limit.
本発明は、上記従来例の問題点を解消するためになされ
たもので、
■塗装乾燥設備の（Ａ）炉（１）体内及び雰囲気ガス循
環ダクトなどの隅角部（１）や屈曲部など雰囲気ガスの
流れが淀み易い部位に雰囲気ガス噴出配管を設ける。The present invention has been made in order to solve the problems of the conventional example described above. Atmospheric gas blowout piping is provided in areas where the flow of atmospheric gas tends to stagnate.
■雰囲気ガス噴出配管（７）のノズルから淀みの発生し
易い部位に雰囲気ガス噴流を吹き付ける。■ Spray a jet of atmospheric gas from the nozzle of the atmospheric gas jetting pipe (7) to areas where stagnation is likely to occur.
■これにより、雰囲気ガスの淀み易い部分を解消し、淀
みの発生し易い部位の壁面に雰囲気ガスの流れを強制的
に形成する。(2) This eliminates areas where atmospheric gas tends to stagnate, and forcibly forms a flow of atmospheric gas on the wall surface of areas where stagnation tends to occur.
；という技術的手段を援用している。; is used as a technical means.
循環雰囲気ガスを雰囲気ガス噴出配管（８）から各ミス
トの付着し易い雰囲気ガスの淀み易い部分の壁面に吹き
付ける事により、該壁面を流れる雰囲気ガスの流速が所
定流速になって、璧表面にミストの付着が無くなり、同
時に淀み部分における雰囲気ガスの代謝が良くなって、
淀み部分における雰囲気ガスが常に爆発限界値以下にな
る。By spraying the circulating atmospheric gas from the atmospheric gas jetting pipe (8) onto the wall surface of the part where the atmospheric gas tends to stagnate, where each mist tends to adhere, the flow velocity of the atmospheric gas flowing through the wall surface becomes a predetermined flow velocity, and the mist is formed on the wall surface. At the same time, the metabolism of atmospheric gas in the stagnation area improves,
The atmospheric gas in the stagnation area is always below the explosion limit.
本発明の実施例を図面に従って詳説する。 Embodiments of the present invention will be described in detail with reference to the drawings.
ミスト累着防止方法は循環ダクト内も塗装オーブン炉体
内でも同一であるので、最もミスト累着が多く、又、問
題となる塗装オーブン炉体（１）内における実施例を示
す。第１図は塗装乾燥オーブン炉体（１）の−加熱帯の
平面図で、第２図は第１図Ａ−Ａにおける断面矢視図で
ある。（１）はオーブン炉体（１）内部で炉内には噴出
ノズル（６）が塗装ストリップ（Ｓ）を挟んで上下から
塗装ストリップ（Ｓ）を加熱出来るように複数組を上下
に対向させて夫々設置している。（２）は燃焼室で、炉
内と連結連通、且つ循環送風機（３）の吸引口と連結連
通している。循環送風機（３）の吐出口と分配ダクト（
５）は接続ダクト（４）を介して連結連通されており、
分配ダクト（５）は、複数の噴出ダクト（６）及び炉内
の隅角部（１）に沿って設置された雰囲気ガス噴出配管
（７）とにガス供給配管（８）を通して連結連通してい
る。雰囲気ガス噴出配管（７）のガス噴出方向は炉体隅
角部（１）方向である。Since the method for preventing mist accumulation is the same both in the circulation duct and in the coating oven body, an example will be shown for the coating oven body (1) where mist accumulation is most common and problematic. FIG. 1 is a plan view of the heating zone of the coating drying oven body (1), and FIG. 2 is a cross-sectional view taken along line A--A in FIG. (1) is inside the oven body (1), and inside the oven, multiple sets of jet nozzles (6) are arranged vertically facing each other so that the spray nozzles (6) can heat the coating strip (S) from above and below with the coating strip (S) in between. They are installed respectively. (2) is a combustion chamber which is connected and communicated with the inside of the furnace and also connected and communicated with the suction port of the circulation blower (3). The outlet of the circulation blower (3) and the distribution duct (
5) are connected and communicated via the connecting duct (4),
The distribution duct (5) connects and communicates with the plurality of ejection ducts (6) and the atmospheric gas ejection pipe (7) installed along the corner (1) in the furnace through the gas supply pipe (8). There is. The direction of gas ejection from the atmospheric gas ejection pipe (7) is toward the corner of the furnace body (1).
以上のように構成されているので、循環送風機（３）の
吸引にて炉内のミスト混入の雰囲気ガスが燃焼室（２）
を通り、更に、接続ダクト（４）、分配ダクト（５）を
遣って噴出ノズル（６）へと循環送風されて塗装ストリ
ップ（Ｓ）に噴出されてその塗装面を乾燥する。本実施
例では特に雰囲気ガスの流速が低く、雰囲気ガスの淀み
が発生し易いオーブン（１）内における角隅部（１）に
沿って雰囲気ガス噴出配管（７）を設置し、第２図に示
すように円弧状に形成された角隅部（１）の方向に向け
て雰囲気ガスを吹き付けて、炉体（１）の淀みが発生し
易い部位である角隅部（１）の壁面に沿って所定流速の
雰囲気ガス流を強制的に形成し、雰囲気ガスの混入ミス
トが炉壁面に付着する事を防止している。本実施例にみ
図示説明しないが循環ダクトの曲り部等の雰囲気ガスの
淀みが発生し易い部位でも雰囲気ガス噴出配管（７）を
設置し、これによる噴流吹き付けにより混入ミストの累
着を防止すると共に雰囲気ガスの代謝を実施する。With the above configuration, the atmospheric gas mixed with mist in the furnace is sucked into the combustion chamber (2) by the circulation blower (3).
The air is circulated through the connecting duct (4) and the distribution duct (5) to the jetting nozzle (6) and is jetted onto the coating strip (S) to dry the painted surface. In this embodiment, the atmospheric gas jetting pipe (7) is installed along the corner (1) in the oven (1) where the flow rate of the atmospheric gas is particularly low and stagnation of the atmospheric gas is likely to occur. As shown, atmospheric gas is blown in the direction of the arc-shaped corner (1), along the wall surface of the corner (1) where stagnation of the furnace body (1) is likely to occur. This forcibly forms an atmospheric gas flow at a predetermined flow rate to prevent mist mixed with the atmospheric gas from adhering to the furnace wall surface. Although not shown or explained in this embodiment, an atmospheric gas jetting pipe (7) is installed even at a location where atmospheric gas stagnation is likely to occur, such as a curved portion of a circulation duct, and the resulting jet spray prevents the accumulation of mixed mist. At the same time, the metabolism of atmospheric gases is carried out.
以上のように、本発明では塗装乾燥オーブンにおける雰
囲気ガス流の淀みが発生し易い部位に雰囲気ガス噴出配
管を設け、雰囲気ガス噴出配管から強制的に雰囲気ガス
をこの淀みが発生し易い部位に吹き付けるので淀みが発
生し易い部位に所定流速以上の雰囲気ガスの流れを強制
的に形成し、淀みが発生し易い部位において炉内壁への
塗料ミストの累着を防止し、これにより、塗装ストリッ
プ（Ｓ）面に壁面からの剥離ミストの付着する事を無く
し、製品品質の向上並びに操業効率を高めると共に装置
内のいずれの部位にも淀み部を無（し、雰囲気ガスの代
謝を促進させ、可燃性ガスの溜り場が無くなるようにし
、常に爆発限界値以下で安全操業出来る事を可能にする
ものである。As described above, in the present invention, an atmospheric gas jetting pipe is provided in a part of the paint drying oven where stagnation of the atmospheric gas flow is likely to occur, and atmospheric gas is forcibly sprayed from the atmospheric gas jetting pipe to the part where this stagnation is likely to occur. Therefore, a flow of atmospheric gas at a predetermined flow rate or higher is forcibly formed in areas where stagnation is likely to occur, thereby preventing paint mist from accumulating on the inner wall of the furnace in areas where stagnation is likely to occur. This eliminates the adhesion of peeling mist from the wall surface to the wall surface, improving product quality and operational efficiency, as well as eliminating stagnation in any part of the device, promoting the metabolism of atmospheric gases, and reducing flammability. This prevents gas from accumulating and enables safe operation at all times below the explosion limit.
第１図・・・本発明の塗装乾燥オーブンの加熱帯の一単
体の平面図
第２図・・・第１図Ａ−Ａの断面視図
（１）・・・炉体 （２）・・・燃焼室（３）・
・・循環送風機 （４）・・・接続ダクト（５）・・・
分配ダクト （６）・・・噴出ノズル（７）・・・噴出
配管 （８）・・・ガス供給配管、−に’ ７
６Ｑ
／ ２ 畠Fig. 1: A plan view of a single heating zone of the paint drying oven of the present invention Fig. 2: A cross-sectional view of Fig. 1 A-A (1)... Furnace body (2)...・Combustion chamber (3)・
...Circulating blower (4)...Connection duct (5)...
Distribution duct (6)...Blowout nozzle (7)...Blowout pipe (8)...Gas supply pipe, -'7
6Q/2 Hatake
Claims (1)
などの隅角部や屈曲部など、雰囲気ガスの流れが淀み易
い部位に雰囲気ガス噴出配管を設け、雰囲気ガス噴出配
管のノズルから淀みの発生し易い部位に雰囲気ガス噴流
を吹き付けて雰囲気ガスの淀み部を解消し、淀みの発生
し易い部位の壁面に雰囲気ガスの流れを形成する事を特
徴とする塗装乾燥設備におけるミスト付着防止方法。(1) Install atmospheric gas jetting piping in areas where the flow of atmospheric gas is likely to stagnate, such as corners and bends in the furnace interior of paint drying equipment and atmospheric gas circulation ducts, to prevent stagnation from occurring from the nozzle of the atmospheric gas jetting piping. A method for preventing mist adhesion in paint drying equipment, which is characterized by spraying a jet of atmospheric gas onto areas where stagnation is likely to occur to eliminate stagnation of the atmospheric gas, and forming a flow of atmospheric gas on the wall surface at areas where stagnation is likely to occur.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP30237986A JPS63156563A (en) | 1986-12-18 | 1986-12-18 | Method for preventing mist deposition in coating and drying equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP30237986A JPS63156563A (en) | 1986-12-18 | 1986-12-18 | Method for preventing mist deposition in coating and drying equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63156563A true JPS63156563A (en) | 1988-06-29 |
| JPH0360546B2 JPH0360546B2 (en) | 1991-09-17 |
Family
ID=17908193
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP30237986A Granted JPS63156563A (en) | 1986-12-18 | 1986-12-18 | Method for preventing mist deposition in coating and drying equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63156563A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10348175B2 (en) | 2015-12-28 | 2019-07-09 | Mabuchi Motor Co., Ltd. | Rotor, manufacturing method of the rotor, and DC motor |
-
1986
- 1986-12-18 JP JP30237986A patent/JPS63156563A/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10348175B2 (en) | 2015-12-28 | 2019-07-09 | Mabuchi Motor Co., Ltd. | Rotor, manufacturing method of the rotor, and DC motor |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0360546B2 (en) | 1991-09-17 |
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