JP2652745B2 - Coating type chromate treatment equipment - Google Patents
Coating type chromate treatment equipmentInfo
- Publication number
- JP2652745B2 JP2652745B2 JP20431692A JP20431692A JP2652745B2 JP 2652745 B2 JP2652745 B2 JP 2652745B2 JP 20431692 A JP20431692 A JP 20431692A JP 20431692 A JP20431692 A JP 20431692A JP 2652745 B2 JP2652745 B2 JP 2652745B2
- Authority
- JP
- Japan
- Prior art keywords
- steel strip
- wiping nozzle
- chromate
- chromate treatment
- nozzle
- 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
Description
【０００１】[0001]
【産業上の利用分野】本発明は走行する亜鉛メッキ後の
鋼帯の表面にスプレーノズルによってクロメート液を塗
布後エアーワイピングノズルによって塗布量を制御し、
ドライヤーによって加熱乾燥を行う塗布型クロメート処
理装置に関する。BACKGROUND OF THE INVENTION The present invention relates to a method in which a chromate solution is applied to the surface of a running steel strip after galvanizing by a spray nozzle, and then the amount of the chromate solution is controlled by an air wiping nozzle.
The present invention relates to a coating type chromate treatment device that performs heating and drying with a dryer.
【０００２】[0002]
【従来の技術】従来はワイピングノズルの下部に排気フ
ァンに連結した排気ダクトを配設することによって、ワ
イピングノズルから吹き付けられ鋼帯に沿って処理タン
ク内に吹き込まれた空気を排気させる。2. Description of the Related Art Conventionally, an exhaust duct connected to an exhaust fan is provided below a wiping nozzle to exhaust air blown from the wiping nozzle and blown into a processing tank along a steel strip.
【０００３】[0003]
【発明が解決しようとする課題】しかし、この方法で
は、空気を全量排気させることは困難であり、排気でき
なかった空気がワイピングノズルに向って上昇する。そ
のことによって、鋼帯の端部で発生するクロメート液の
スプラッシュが吹きあげられワイピングノズルの下部に
付着し、ワイピングノズルの目詰りによる筋状の汚れ及
びワイピングノズルの下部に付着したクロメート液が鋼
帯に再付着することによる斑点状の汚れが発生し、歩留
り、製品品質及び作業性を低下させる問題があった。However, in this method, it is difficult to exhaust all the air, and the air that cannot be exhausted rises toward the wiping nozzle. As a result, a splash of chromate liquid generated at the end of the steel strip is blown up and adheres to the lower part of the wiping nozzle, and streak-like dirt due to clogging of the wiping nozzle and chromate liquid adhered to the lower part of the wiping nozzle are removed from the steel strip. There is a problem that spot-like stains are generated due to re-adhesion to the belt, and the yield, product quality and workability are reduced.
【０００４】[0004]
【課題を解決するための手段】本発明ではこの問題を解
決するためにワイピングノズルの下部に鋼帯に対向して
斜め下方に傾斜する整流板を配設することでタンク内に
吹き込まれた空気をワイピングノズルに向けて上昇させ
ることなく排気させる。According to the present invention, in order to solve this problem, an air blown into the tank is provided by arranging a straightening plate obliquely downwardly facing the steel strip below the wiping nozzle. Is exhausted without being raised toward the wiping nozzle.
【０００５】具体的には、亜鉛メッキ後の鋼帯の表面に
クロメート液を処理タンク内のスプレーノズルによって
塗布し、ワイピングノズルによって塗布量を制御し、ド
ライヤーによって加熱乾燥するクロメート処理におい
て、ワイピングノズルの下部に排気ファンに連結した排
気ダクトを配設し、さらにこの排気ダクトの上部に鋼帯
に対向して斜め下方に傾斜する整流板を配設したことを
特徴とする塗布型クロメート処理装置である。More specifically, in a chromate treatment in which a chromate solution is applied to the surface of a steel strip after galvanizing by a spray nozzle in a treatment tank, the amount of application is controlled by a wiping nozzle, and heated and dried by a drier, An exhaust duct connected to an exhaust fan is provided at the lower part of the coating duct, and a rectifying plate inclined at an obliquely downward direction facing the steel strip is provided at the upper part of the exhaust duct. is there.
【０００６】[0006]
【実施例】以下図面に基いて本発明を説明する。図１は
本発明の実施例を示す図である。鋼帯１は厚さ０．４〜
３．２ｍｍ、幅６００〜１６００ｍｍのサイズでシンク
ロール９によって搬送される。スプレーノズル２は処理
タンク８の内部に鋼帯１に対向して配設し、両面で０．
３〜０．８ｍ3 ／ｍｉｎのクロメート液をスプレーで吹
き付ける。DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below with reference to the drawings. FIG. 1 is a diagram showing an embodiment of the present invention. Steel strip 1 has a thickness of 0.4 ~
It is conveyed by the sink roll 9 in a size of 3.2 mm and a width of 600 to 1600 mm. The spray nozzle 2 is disposed inside the processing tank 8 so as to face the steel strip 1, and the spray nozzle 2 is disposed on both sides of the spray tank 2.
A chromate solution of 3 to 0.8 m 3 / min is sprayed.
【０００７】ワイピングノズル３はスブレーノズル２に
よって塗布されたクロメート液を空気を両面で６０ｍ3
／ｍｉｎ吹き付け、ワイピングすることで均一に所定の
塗布量に制御する。ドライヤー４は塗布されたクロメー
ト液を熱風によって加熱乾燥する。排気ファン５は排気
ダクト６を介して処理タンク８内にワイピングノズル３
によって吹き込まれた空気を排気させる。The wiping nozzle 3 applies air to the chromate solution applied by the spray nozzle 2 on both sides by 60 m 3.
/ Min spraying and wiping to uniformly control the amount of application. The drier 4 heats and dries the applied chromate solution with hot air. The exhaust fan 5 is inserted into the processing tank 8 via the exhaust duct 6 by the wiping nozzle 3.
The air blown by is exhausted.
【０００８】整流板７は鋼帯１に対向して斜め下向の傾
斜をもちワイピングノズル３によって吹き込まれた空気
を排気ダクト６へ導入させると共に鋼帯１の端部で発生
するクロメート液のスプラッシュを傾斜に沿って処理タ
ンク８内へ流し落とす。The current plate 7 has an obliquely downward slope facing the steel strip 1 to introduce the air blown by the wiping nozzle 3 into the exhaust duct 6 and to splash the chromate liquid generated at the end of the steel strip 1. Flow down into the processing tank 8 along the slope.
【０００９】[0009]
【作用】ワイピングノズル３の下部に排気ファン５に連
結した排気ダクト６を配設すると共に、この上部に鋼帯
１に対向して斜め下向の傾斜をもつ整流板７を配設す
る。ワイピングノズル３から吹き付けられ鋼帯１に沿っ
て処理タンク８内に吹き込まれた空気はワイピングノズ
ル３に向けて上昇することなく排気され、鋼帯１の端部
で発生したクロメート液のスプラッシュは整流板７の傾
斜に沿って処理タンク８内に流れ落ちる。The exhaust duct 6 connected to the exhaust fan 5 is provided below the wiping nozzle 3, and a rectifying plate 7 having an obliquely downward slope facing the steel strip 1 is provided above the exhaust duct 6. The air blown from the wiping nozzle 3 and blown into the processing tank 8 along the steel strip 1 is exhausted without ascending toward the wiping nozzle 3, and the splash of the chromate liquid generated at the end of the steel strip 1 is rectified. It flows down into the processing tank 8 along the inclination of the plate 7.
【００１０】そのことによって鋼帯１の端部で発生する
クロメート液のスプラッシュがワイピングノズル３の下
部に付着するのを避けることができ、ワイピングノズル
３の目詰りによる筋状の汚れ、及びワイピングノズル３
の下部に付着したクロメート液が鋼帯１に再付着するこ
とによる斑点状の汚れの発生を低減でき、歩留り、製品
品質及び作業性を向上できる。As a result, it is possible to prevent the chromate liquid splash generated at the end of the steel strip 1 from adhering to the lower portion of the wiping nozzle 3, thereby causing streak-like dirt due to clogging of the wiping nozzle 3 and the wiping nozzle. 3
The occurrence of spot-like stains due to the chromate liquid adhering to the lower part of the steel strip 1 adhering to the steel strip 1 can be reduced, and the yield, product quality and workability can be improved.
【００１１】[0011]
【発明の効果】汚れ発生率（％）とは生産量に対する汚
れ発生量の割合であって、図２に示す通り従来法は整流
板を配設しない状態で汚れ発生率５％程度であって歩留
り、製品品質及び作業性の点で低下し困る。本発明は整
流板を配設した状態で汚れ発生率は１％未満となり歩留
り、製品品質及び作業性の点で向上しすぐれる。The dirt generation rate (%) is a ratio of the dirt generation amount to the production amount. As shown in FIG. 2, the conventional method has a dirt generation rate of about 5% without a rectifying plate. It is difficult to reduce the yield, product quality and workability. According to the present invention, the contamination generation rate is less than 1% in a state where the current plate is provided, and the yield is improved, and the product quality and workability are improved.
【図１】本発明の塗布型クロメート処理装置。FIG. 1 is a coating type chromate treatment apparatus of the present invention.
【図２】本発明の塗布型クロメート処理装置を使用した
場合と従来法による場合の汚れ発生率（％）の比較を示
す。FIG. 2 shows a comparison of the stain generation rate (%) between the case where the coating type chromate treatment apparatus of the present invention is used and the case where the conventional method is used.
１ 鋼帯 ２ スプレーノズル ３ ワイピングノズル ４ ドライヤー ５ 排気ファン ６ 排気ダクト ７ 整流板 ８ 処理タンク ９ シンクロール DESCRIPTION OF SYMBOLS 1 Steel strip 2 Spray nozzle 3 Wiping nozzle 4 Dryer 5 Exhaust fan 6 Exhaust duct 7 Straightening plate 8 Processing tank 9 Sink roll
Claims (1)
液を処理タンク内のスプレーノズルによって塗布し、ワ
イピングノズルによって塗布量を制御し、ドライヤーに
よって加熱乾燥するクロメート処理において、ワイピン
グノズルの下部に排気ファンに連結した排気ダクトを配
設し、さらにこの排気ダクトの上部に鋼帯に対向して斜
め下方に傾斜する整流板を配設したことを特徴とする塗
布型クロメート処理装置。In a chromate treatment in which a chromate solution is applied to a surface of a steel strip after galvanizing by a spray nozzle in a treatment tank, an application amount is controlled by a wiping nozzle, and heated and dried by a drier, the chromate solution is applied to a lower portion of the wiping nozzle. An application type chromate treatment apparatus, comprising: an exhaust duct connected to an exhaust fan; and a rectifying plate inclined obliquely downward facing the steel strip at an upper portion of the exhaust duct.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20431692A JP2652745B2 (en) | 1992-07-09 | 1992-07-09 | Coating type chromate treatment equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20431692A JP2652745B2 (en) | 1992-07-09 | 1992-07-09 | Coating type chromate treatment equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0625868A JPH0625868A (en) | 1994-02-01 |
| JP2652745B2 true JP2652745B2 (en) | 1997-09-10 |
Family
ID=16488466
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20431692A Expired - Lifetime JP2652745B2 (en) | 1992-07-09 | 1992-07-09 | Coating type chromate treatment equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2652745B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4323260B2 (en) * | 2003-08-21 | 2009-09-02 | 株式会社ブリヂストン | Tire cord manufacturing method |
| DE102006046797A1 (en) * | 2006-09-29 | 2008-04-03 | Josef Schiele Ohg | Method for uniformly applying a passivating agent on a metallic workpiece which can be adjusted in height and width comprises applying a negative pressure in the application chamber during application of the passivating agent |
-
1992
- 1992-07-09 JP JP20431692A patent/JP2652745B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0625868A (en) | 1994-02-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 19970415 |