JPH02185996A - Method for cleaning steel strip and method for washing and plating steel strip - Google Patents
Method for cleaning steel strip and method for washing and plating steel stripInfo
- Publication number
- JPH02185996A JPH02185996A JP292089A JP292089A JPH02185996A JP H02185996 A JPH02185996 A JP H02185996A JP 292089 A JP292089 A JP 292089A JP 292089 A JP292089 A JP 292089A JP H02185996 A JPH02185996 A JP H02185996A
- Authority
- JP
- Japan
- Prior art keywords
- steel strip
- strip
- speed
- cleaning
- plating
- 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
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 73
- 239000010959 steel Substances 0.000 title claims abstract description 73
- 238000004140 cleaning Methods 0.000 title claims abstract description 32
- 238000007747 plating Methods 0.000 title claims abstract description 22
- 238000000034 method Methods 0.000 title claims description 10
- 238000005406 washing Methods 0.000 title description 2
- 238000000137 annealing Methods 0.000 claims abstract description 12
- 239000011248 coating agent Substances 0.000 claims abstract description 4
- 238000000576 coating method Methods 0.000 claims abstract description 4
- 239000007921 spray Substances 0.000 abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 4
- 238000005201 scrubbing Methods 0.000 abstract 2
- 238000005238 degreasing Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 239000012670 alkaline solution Substances 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 230000003749 cleanliness Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000010731 rolling oil Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229920000298 Cellophane Polymers 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000010721 machine oil Substances 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000002436 steel type Substances 0.000 description 1
- POWFTOSLLWLEBN-UHFFFAOYSA-N tetrasodium;silicate Chemical compound [Na+].[Na+].[Na+].[Na+].[O-][Si]([O-])([O-])[O-] POWFTOSLLWLEBN-UHFFFAOYSA-N 0.000 description 1
Abstract
Description
【発明の詳細な説明】
〈産業上の利用分野〉
本発明は、鋼帯の電解洗浄装置の出側に設置され鋼帯の
上下面の洗浄を行うスクラバー装置のブラシロールの回
転を制御して、鋼帯を均一に洗浄する方法並びに入側に
電解洗浄装置とメッキ設備を有する鋼帯の連続焼鈍設備
において、電解洗浄装置の出側に設置されたスクラバー
装置のブラシロールの回転を制御して、鋼帯を均一に洗
浄しかつメッキ付着量を均一にする方法に関するもので
ある。[Detailed Description of the Invention] <Industrial Application Field> The present invention is directed to controlling the rotation of the brush roll of a scrubber device installed on the outlet side of a steel strip electrolytic cleaning device and cleaning the upper and lower surfaces of the steel strip. , a method for uniformly cleaning a steel strip, and a continuous annealing facility for steel strips having an electrolytic cleaning device and a plating facility on the inlet side, by controlling the rotation of a brush roll of a scrubber device installed on the outlet side of the electrolytic cleaning device. , relates to a method for uniformly cleaning a steel strip and making the amount of plating coating uniform.
〈従来の技術〉
例えば、鋼帯の連続焼鈍設備においては、鋼帯を焼鈍す
る前に、その表面に付着している圧延油、機械油、鉄粉
等、を除去するために、まず電解洗浄装置により電解洗
浄を行う。<Conventional technology> For example, in continuous annealing equipment for steel strips, before annealing the steel strips, electrolytic cleaning is first performed to remove rolling oil, machine oil, iron powder, etc. adhering to the surface of the steel strips. Perform electrolytic cleaning using a device.
この電解洗浄装置のタンク内には水酸ナトリウム、オル
ソ珪酸ナトリウムなどの水溶液であるアルカリ溶液が入
っており、鋼帯の両面に近接して対設された電極によっ
て、アルカリ溶液の電気分解を行い、鋼帯の両面から水
素、酸素の気泡を発生させ、この気泡により板面の汚れ
を持ち上げて落とし、次いでスクラバー装置のブラシロ
ールによって汚れを再度洗浄する。The tank of this electrolytic cleaning equipment contains an alkaline solution, which is an aqueous solution of sodium hydroxide, sodium orthosilicate, etc., and the alkaline solution is electrolyzed by electrodes placed close to each other on both sides of the steel strip. Hydrogen and oxygen bubbles are generated from both sides of the steel strip, and the bubbles lift and remove dirt from the surface of the steel strip.Then, the brush roll of the scrubber device cleans the dirt again.
従来、このブラシロールは鋼帯のライン速度にかかわら
ず、鋼帯の進行方向の逆方向に一定速度で回転させてい
た。Conventionally, this brush roll was rotated at a constant speed in the opposite direction to the direction in which the steel strip travels, regardless of the line speed of the steel strip.
〈発明が解決しようとする課題〉
しかし、ブラシロールをｇＩＦのライン速度にかかわら
ず一定速度で回転させる従来の方法では、鋼帯のライン
速度が大きくなると、ブラシロールによる洗浄能力が低
下し、鋼帯の洗浄が充分に１テわれな（なることがあり
、また、ブラシロールによる洗浄後の鋼帯にメッキを施
して連続焼鈍を行う場合には、鋼帯を均一に洗浄できな
いため、メッキ付着量を均一にすることができないこと
があった。<Problems to be Solved by the Invention> However, with the conventional method in which the brush roll is rotated at a constant speed regardless of the gIF line speed, as the line speed of the steel strip increases, the cleaning ability of the brush roll decreases, The strip may not be cleaned thoroughly once (sometimes). Also, if the steel strip is plated after cleaning with a brush roll and then subjected to continuous annealing, the steel strip cannot be cleaned uniformly, so the plating may adhere to the strip. Sometimes it was not possible to make the amount uniform.
本発明は、このような問題点を解消した鋼帯の洗浄方法
並びに鋼帯の洗浄・メッキ方法を提Ｕ＋することを目的
とする。It is an object of the present invention to provide a method for cleaning a steel strip and a method for cleaning and plating a steel strip that eliminates such problems.
〈課題を解決するための手段〉
第１の発明は、鋼帯の電解洗浄装置の出側に設置され鋼
帯の上下面の洗浄を行うスクラバー装置のブラシロール
を、鋼帯の進行方向の逆方向に、綱帯速度に比例して回
転させることにより鋼帯を均一に洗浄するものである。<Means for Solving the Problems> The first invention has a brush roll of a scrubber device installed on the outlet side of a steel strip electrolytic cleaning device for cleaning the upper and lower surfaces of the steel strip, in a direction opposite to the traveling direction of the steel strip. The steel strip is cleaned uniformly by rotating the steel strip in the direction proportional to the speed of the strip.
また、第２の発明は、入側に電解洗浄装置とメッキ設備
を有するｗ４帯の連続焼鈍設備において、上記電解洗浄
装置の出側に設置され鋼帯の上下面の洗浄を行うスクラ
バー装置のブラシロールを、鋼帯の進行方向の逆方向に
、綱帯速度に比例して回転させることにより鋼帯を均一
に洗浄しかつメッキ付着量を均一にするものである。Further, a second invention provides a brush for a scrubber device installed at the outlet side of the electrolytic cleaning device for cleaning the upper and lower surfaces of the steel strip in a continuous annealing facility for W4 band having an electrolytic cleaning device and plating equipment on the input side. By rotating the rolls in the direction opposite to the direction of movement of the steel strip in proportion to the speed of the steel strip, the steel strip is uniformly cleaned and the amount of plating deposited is made uniform.
く作 用〉
ブラシロールを鋼帯の進行方向の逆方向に、鋼帯の速度
に比例して回転させてブラシ洗浄を行うことにより、鋼
帯の速度が変化した場合にも、常に均一に鋼帯の洗浄を
行うことができ、洗浄後にメッキを施して連続焼鈍を行
う場合には更にメンキ付着量を均一にすることができる
。By rotating the brush roll in the opposite direction to the direction in which the steel strip travels in proportion to the speed of the steel strip and cleaning the brushes, the steel is always uniformly cleaned even when the speed of the steel strip changes. The band can be washed, and if plating is applied after washing and continuous annealing is performed, the amount of coating deposited can be made even more uniform.
〈実施例〉 本発明の一実施例を第１．２図に基づいて説明する。<Example> An embodiment of the present invention will be described based on FIG. 1.2.
第１図は本発明を適用する連続焼鈍設備入側の概略図で
ある。第１図において、■はペイオフリール、２は溶接
機、３は電解洗浄装置、４はスクラバー装置、５はメッ
キ設備、６はドライヤー７はルーパー、８は連続焼鈍炉
である。ペイオフリールから払い出された鋼帯９は、溶
接機２で先行鋼帯９の後端と接続され、電解洗浄＠置３
で電解洗浄され、次にスクラバー装置４のブラシロール
で物理的に洗浄され、ドライヤー６で板面を乾かされて
連続焼鈍炉Ｂ内に入る。FIG. 1 is a schematic diagram of the entrance side of continuous annealing equipment to which the present invention is applied. In FIG. 1, ■ is a payoff reel, 2 is a welding machine, 3 is an electrolytic cleaning device, 4 is a scrubber device, 5 is plating equipment, 6 is a dryer 7 is a looper, and 8 is a continuous annealing furnace. The steel strip 9 discharged from the payoff reel is connected to the rear end of the preceding steel strip 9 by a welding machine 2, and is electrolytically cleaned @ place 3.
The plate is electrolytically cleaned, then physically cleaned with the brush roll of the scrubber device 4, and the plate surface is dried with the dryer 6 before entering the continuous annealing furnace B.
第２図は、本発明を適用するスクラバー装置の一実施例
を示した説明図である０図において、１０はスクラバー
タンク、１１はブラシロール、１２はバックアップロー
ル、１３はスプレーへラダー、１４はリンガ−ロールで
あり、ブラシロール１１によって、鋼帯９の表面の付着
物を物理的に取り去り、スプレーヘッダー１３によりそ
の付着物を高温高圧の温水で流すようにしである。FIG. 2 is an explanatory diagram showing one embodiment of a scrubber device to which the present invention is applied. In FIG. 0, 10 is a scrubber tank, 11 is a brush roll, 12 is a backup roll, 13 is a spray ladder, and 14 is This is a ringer roll, and a brush roll 11 physically removes deposits on the surface of the steel strip 9, and a spray header 13 flushes away the deposits with high-temperature, high-pressure hot water.
しかして、本発明では、ブラシロール１１を鋼帯９の進
行方向の逆方向に、鋼帯９の速度に比例して回転させる
。すなわち、ここで鋼帯９の速度をＶ ｍ ／ ｍｍ
、ブラシロール１１の周速度をＲｍ ／ 癲とすると、
次式のようになる。Therefore, in the present invention, the brush roll 11 is rotated in a direction opposite to the traveling direction of the steel strip 9 in proportion to the speed of the steel strip 9. That is, here the speed of the steel strip 9 is V m / mm
, if the circumferential speed of the brush roll 11 is Rm/R,
It becomes as follows.
Ｒ−ｋＶ ・−・−・−・・・
（１）ｋ：比例係数
これにより、鋼帯１１の速度にかかわらず、鋼帯を均一
に洗浄することが可能となる。R-kV ・−・−・−・・
(1) k: proportionality coefficient This makes it possible to uniformly clean the steel strip regardless of the speed of the steel strip 11.
次に本発明の具体的実施例について説明する。Next, specific examples of the present invention will be described.
上記の装置において、外径３００ｍｍのナイロン製のブ
ラシロールを使用し、スプレーヘッダーの温水圧力を４
Ｊｃｇ ／ ｃｉとし、ブラシロールを綱帯の進行方
向の逆方向に鋼帯の速度と同一の周速度で回転させた本
発明の場合と、鋼帯の速度にかかわらず４０抛ｐｍの一
定の回転速度で回転させた比較例について、洗浄度及び
メッキ付着量を測定した。なお、鋼帯の寸法は板厚０．
２３＋ｎｍ、板幅８６０胴であり、綱帯の洗浄度はドラ
イヤーの出側において、ウォーターブレイク法による脱
脂率及びセロハンテ−ブ剥離法による脱スマンジ率から
評価をした。またメッキは旧メッキを行った。In the above device, a nylon brush roll with an outer diameter of 300 mm is used, and the hot water pressure of the spray header is
Jcg/ci, and in the case of the present invention, the brush roll is rotated in the opposite direction to the traveling direction of the steel strip at the same circumferential speed as the speed of the steel strip, and in the case of the present invention, the brush roll is rotated at a constant rotation of 40 rpm regardless of the speed of the steel strip. The degree of cleanliness and amount of plating deposited were measured for a comparative example that was rotated at high speed. In addition, the dimensions of the steel strip are plate thickness 0.
23+nm and a board width of 860 mm, the cleanliness of the rope was evaluated from the degreasing rate by the water break method and the smudge removal rate by the cellophane tape peeling method on the outlet side of the dryer. Also, the plating used was the old plating.
測定結果を第３〜７図に示す。The measurement results are shown in Figures 3-7.
第３図はブラシロールの周速度を鋼帯の速度と同じ値に
なるように制御した時の鋼帯の脱脂率、第４図はブラシ
ロール回転速度一定時の脱脂率、第５図はブラシロール
の周速度を鋼帯の速度と同じ値になるように制御したと
きの鋼帯の脱スマツジ率、第６図はブラシロールの回転
速度一定時の脱スマフジ率、第７図は鋼帯のＮｉメッキ
付着量の測定結果をそれぞれ示す。Figure 3 shows the degreasing rate of the steel strip when the circumferential speed of the brush roll is controlled to be the same as the speed of the steel strip, Figure 4 shows the degreasing rate when the brush roll rotation speed is constant, and Figure 5 shows the brush roll. Figure 6 shows the desmuffing rate of the steel strip when the circumferential speed of the roll is controlled to be the same as the speed of the steel strip. Figure 6 shows the desmuffing rate of the steel strip when the rotational speed of the brush roll is constant. The measurement results of the amount of Ni plating deposited are shown.
第３〜６図から、本発明の場合は比較例に比べ、脱脂率
で１．３倍、脱スマツジ率で１６５倍洗浄性が向上し、
しかもばらつきが小さいことがわかる。From Figures 3 to 6, in the case of the present invention, compared to the comparative example, the cleaning performance was improved by 1.3 times in terms of degreasing rate and 165 times in terms of smudge removal rate.
Moreover, it can be seen that the variation is small.
また、第７図から、本発明の場合は比較例に比ベメッキ
付着量が均一になったことがわかる。これは、板面の洗
浄性が向上したことがメッキ付着量の均一化に効果を与
えたと考えられる。Moreover, from FIG. 7, it can be seen that the amount of plating deposited in the case of the present invention was more uniform compared to that of the comparative example. This is thought to be due to the improved cleanability of the plate surface, which had an effect on making the amount of plating deposited more uniform.
なお、上記実施例は、鋼帯の速度Ｖとブラシロールの周
速度Ｒが等しい場合、すなわち（１）式の比例係数に−
１の場合であるが、ｋ＝０．５〜１．５の範囲で鋼種、
圧延油、アルカリ溶液の種類、濃度等に応じて適宜選択
すればよい。Note that in the above embodiment, when the speed V of the steel strip and the circumferential speed R of the brush roll are equal, that is, the proportional coefficient of equation (1) is -
In the case of 1, the steel type, k = 0.5 to 1.5,
It may be selected as appropriate depending on the rolling oil, the type and concentration of the alkaline solution, etc.
〈発明の効果〉
以上説明したように本発明により、鋼帯を均一にブラシ
洗浄することができ、更にメッキ付着量を均一にするこ
とができ、製品の品質を向上することができ極めて優れ
た効果を奏する。<Effects of the Invention> As explained above, according to the present invention, the steel strip can be cleaned uniformly with a brush, the amount of plating deposited can be made uniform, and the quality of the product can be improved, which is extremely excellent. be effective.
第１図は本発明を適用する連続焼鈍設備入側の概略図で
ある。第２図は本発明を適用するスクラバー装置の一実
施例の説明図である。第３図はブラシロールの周速度を
鋼帯の速度と同じ値になるように制御したときの鋼帯の
脱脂率、第４図はブラシロールの回転速度一定時の脱脂
率、第５図はブラシロールの周速度を鋼帯の速度と同じ
値になるように制御したときの鋼帯の脱スマツジ率、第
６図はブラシロールの回転速度一定時の脱スマツジ率、
第７図は鋼帯のＮｉメッキ付着量の測定結果をそれぞれ
示す。
３・・・電解洗浄装置、
４・・・スクラバー装置、
５・・・メッキ設備、
９・・・銅 帯、
１０・・・スクラバータンク、
１１・・・プランロール、
１２・・・バックアップロール、
１３・・・スプレーヘッダー
１４・・・リンガ−ロール。
第１図FIG. 1 is a schematic diagram of the entrance side of continuous annealing equipment to which the present invention is applied. FIG. 2 is an explanatory diagram of an embodiment of a scrubber device to which the present invention is applied. Figure 3 shows the degreasing rate of the steel strip when the circumferential speed of the brush roll is controlled to the same value as the speed of the steel strip, Figure 4 shows the degreasing rate when the rotation speed of the brush roll is constant, and Figure 5 shows the degreasing rate when the brush roll rotational speed is constant. Figure 6 shows the de-smudging rate of the steel strip when the circumferential speed of the brush roll is controlled to be the same as the speed of the steel strip.
FIG. 7 shows the measurement results of the amount of Ni plating on the steel strip. 3... Electrolytic cleaning device, 4... Scrubber device, 5... Plating equipment, 9... Copper strip, 10... Scrubber tank, 11... Plan roll, 12... Backup roll, 13... Spray header 14... Ringer roll. Figure 1
Claims (2)
面の洗浄を行うスクラバー装置のブラシロールを、鋼帯
の進行方向の逆方向に、鋼帯速度に比例して回転させる
ことにより鋼帯を均一に洗浄することを特徴とする鋼帯
の洗浄方法。(1) The brush roll of the scrubber device, which is installed on the exit side of the steel strip electrolytic cleaning device and cleans the top and bottom surfaces of the steel strip, is rotated in the opposite direction to the direction in which the steel strip moves in proportion to the steel strip speed. A steel strip cleaning method characterized by uniformly cleaning the steel strip.
連続焼鈍設備において、上記電解洗浄装置の出側に設置
され鋼帯の上下面の洗浄を行うスクラバー装置のブラシ
ロールを、鋼帯の進行方向の逆方向に、鋼帯速度に比例
して回転させることにより鋼帯を均一に洗浄しかつメッ
キ付着量を均一にすることを特徴とする鋼帯の洗浄・メ
ッキ方法。(2) In a continuous annealing facility for steel strips that has an electrolytic cleaning device and a plating facility on the input side, the brush roll of the scrubber device installed on the exit side of the electrolytic cleaning device that cleans the upper and lower surfaces of the steel strip is A method for cleaning and plating a steel strip, characterized by uniformly cleaning the steel strip and making the amount of plating coating uniform by rotating the steel strip in a direction opposite to the direction in which the steel strip moves in proportion to the speed of the steel strip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP292089A JPH02185996A (en) | 1989-01-11 | 1989-01-11 | Method for cleaning steel strip and method for washing and plating steel strip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP292089A JPH02185996A (en) | 1989-01-11 | 1989-01-11 | Method for cleaning steel strip and method for washing and plating steel strip |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02185996A true JPH02185996A (en) | 1990-07-20 |
Family
ID=11542787
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP292089A Pending JPH02185996A (en) | 1989-01-11 | 1989-01-11 | Method for cleaning steel strip and method for washing and plating steel strip |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02185996A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003253491A (en) * | 2002-03-06 | 2003-09-10 | Jfe Steel Kk | Electroplating method for band steel excellent in uniformity |
-
1989
- 1989-01-11 JP JP292089A patent/JPH02185996A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003253491A (en) * | 2002-03-06 | 2003-09-10 | Jfe Steel Kk | Electroplating method for band steel excellent in uniformity |
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