JP2002275546A - Facility used for both continuous annealing and hot dipping - Google Patents
Facility used for both continuous annealing and hot dippingInfo
- Publication number
- JP2002275546A JP2002275546A JP2001069574A JP2001069574A JP2002275546A JP 2002275546 A JP2002275546 A JP 2002275546A JP 2001069574 A JP2001069574 A JP 2001069574A JP 2001069574 A JP2001069574 A JP 2001069574A JP 2002275546 A JP2002275546 A JP 2002275546A
- Authority
- JP
- Japan
- Prior art keywords
- continuous annealing
- annealing furnace
- plating
- hot
- steel sheet
- 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
Landscapes
- Coating With Molten Metal (AREA)
- Heat Treatment Of Strip Materials And Filament Materials (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、鋼板の連続焼鈍と
溶融メッキを、同一の設備で切り替えて行う連続焼鈍お
よび溶融メッキ兼用設備に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a facility for continuous annealing and hot-dip plating in which continuous annealing and hot-dip plating of a steel sheet are switched by using the same equipment.
【０００２】[0002]
【従来の技術】鋼板の連続焼鈍材と溶融メッキ材は別々
の設備で製造されるのがこれまで一般的であった。すな
わち、連続焼鈍材は連続焼鈍炉を出た鋼板をウオーター
クエンチ装置により冷却して製造され、溶融メッキ材は
連続焼鈍炉を出た鋼板を、メッキポットおよびメッキ装
置に通板して製造されていた。一方、これらを同一の設
備で製造するための連続焼鈍および溶融メッキ兼用設備
が特開昭５５−６４６９号公報および特開平１１−５２
９８号公報により知られている。2. Description of the Related Art It has been general to date that a continuous annealed material and a hot-dip plated material of a steel sheet are manufactured by separate facilities. That is, the continuous annealing material is manufactured by cooling the steel sheet exiting the continuous annealing furnace by a water quench device, and the hot-dip coating material is produced by passing the steel sheet exiting the continuous annealing furnace through a plating pot and a plating device. Was. On the other hand, facilities for continuous annealing and hot-dip plating for producing these with the same facility are disclosed in Japanese Patent Application Laid-Open Nos. 55-6469 and 11-52.
No. 98 is known.
【０００３】上記特開昭５５−６４６９号公報に示され
ている設備は、連続焼鈍材を製造するとき、連続焼鈍炉
から出た鋼板をメッキポットに漬けることなく、大気中
にて冷却するものである。しかし、連続焼鈍炉から出た
ばかりの鋼板は温度が高いため、そのままでは鋼板表面
が酸化するという問題がある。この酸化膜をとるために
は酸洗が必要となり、酸洗装置を設けることによる設備
投資額の増大、酸洗廃液処理のための設備や操業負荷の
増大といった問題がある。[0003] The equipment disclosed in the above-mentioned Japanese Patent Application Laid-Open No. 55-6469 cools a steel sheet discharged from a continuous annealing furnace in the atmosphere without immersing it in a plating pot when producing a continuous annealing material. It is. However, since the temperature of the steel sheet just released from the continuous annealing furnace is high, there is a problem that the steel sheet surface is oxidized as it is. In order to remove the oxide film, it is necessary to perform pickling, and there are problems such as an increase in capital investment due to the provision of the pickling apparatus, and an increase in equipment for treating the pickling waste liquid and an operation load.
【０００４】また上記特開平１１−５２９８号公報に示
されているのは、連続焼鈍炉から出た鋼板が大気中で酸
化しないよう、連続焼鈍炉出側の鋼板温度を十分低くす
る設備である。しかし、大気に触れても酸化しない程度
まで鋼板を冷却するためには、連続焼鈍炉内における冷
却設備の増設が必要であり、そのための設備投資額が増
大する。Japanese Patent Application Laid-Open No. 11-5298 discloses a facility for sufficiently lowering the temperature of the steel sheet on the exit side of the continuous annealing furnace so that the steel sheet discharged from the continuous annealing furnace is not oxidized in the atmosphere. . However, in order to cool the steel sheet to such a degree that the steel sheet does not oxidize even when exposed to the atmosphere, it is necessary to add cooling equipment in the continuous annealing furnace, and the capital investment for that purpose increases.
【０００５】本発明者らはこの問題を解決した連続焼鈍
および溶融メッキ兼用設備を開発し、特願２０００−２
７８５６６により出願している。すなわち、連続焼鈍炉
を出た鋼板を、メッキ設備を通さずに直接ウオーターク
エンチ装置へ導くバイパス装置を設け、該バイパス装置
内を非酸化性雰囲気に保つことで、設備コストの大幅な
増大なしに鋼板の酸化を防止する技術である。The present inventors have developed continuous annealing and hot-dip plating equipment which solves this problem, and have filed Japanese Patent Application No. 2000-2.
No. 78566. That is, by providing a bypass device that directly guides the steel sheet that has exited the continuous annealing furnace to the water quench device without passing through the plating equipment, and by keeping the inside of the bypass device in a non-oxidizing atmosphere, without significantly increasing the equipment cost. This technology prevents the oxidation of steel sheets.
【０００６】[0006]
【発明が解決しようとする課題】本発明者らが開発した
上記出願の技術による連続焼鈍および溶融メッキ兼用設
備では、連続焼鈍炉を出た鋼板が表面酸化せず、良好な
連続焼鈍材および溶融メッキ材が得られる。しかし、連
続焼鈍材の製造から溶融メッキ材の製造へ、あるいは溶
融メッキ材の製造から連続焼鈍材の製造へ切り替えたと
き、切替後の特に初期において、連続焼鈍材にはブルー
イング、溶融メッキ材にはメッキ不良といった鋼板表面
酸化による製品不良が発生するので、安定化のために時
間を要するなど、切替時の問題が残されていた。In the equipment for combined use of continuous annealing and hot-dip plating developed by the present inventors according to the technology of the above-mentioned application, the steel sheet exiting the continuous annealing furnace is not oxidized on the surface and has a good continuous annealing material and molten steel. A plating material is obtained. However, when switching from the production of a continuous annealed material to the production of a hot-dip plated material, or from the production of a hot-dip plated material to the production of a continuously annealed material, especially in the initial stage after the switch, the continuous annealed material has a In this case, a product defect due to oxidation of the steel sheet surface such as defective plating occurs, so that there is a problem at the time of switching, for example, time is required for stabilization.
【０００７】そこで本発明が解決しようとする課題は、
鋼板の連続焼鈍と溶融メッキを同一の設備で切り替えて
行う連続焼鈍および溶融メッキ兼用設備において、切替
後の特に初期に発生するブルーイングやメッキ不良など
鋼板表面酸化による製品不良をなくすことである。Therefore, the problem to be solved by the present invention is as follows:
An object of the present invention is to provide a facility for combined use of continuous annealing and hot-dip plating in which continuous annealing and hot-dip coating of a steel sheet are switched by the same equipment, and to eliminate product defects due to oxidation of the steel sheet surface, such as bluing and plating defects, which occur particularly at an early stage after switching.
【０００８】[0008]
【課題を解決するための手段】上記課題を解決するため
の本発明は、鋼板の流れ方向に沿って、少なくとも連続
焼鈍炉、メッキポットおよびメッキ装置、ウォーターク
エンチ装置が配置されたラインに、鋼板を大気に触れる
ことなく連続焼鈍炉からウオータークエンチ装置へ直接
導くバイパス装置を設け、該バイパス装置の内部は非酸
化性雰囲気に保たれている設備において、連続焼鈍炉の
出側およびウオータークエンチ装置の入側にシール機構
を設けたことを特徴とする連続焼鈍および溶融メッキ兼
用設備である。SUMMARY OF THE INVENTION The present invention for solving the above-mentioned problems is to provide a steel sheet having at least a continuous annealing furnace, a plating pot, a plating apparatus, and a water quench apparatus in a line along a flow direction of the steel sheet. Is provided directly from the continuous annealing furnace to the water quenching apparatus without contacting the atmosphere, and in a facility in which the inside of the bypass apparatus is maintained in a non-oxidizing atmosphere, the outlet side of the continuous annealing furnace and the water quenching apparatus A continuous annealing and hot-dip plating facility characterized by providing a sealing mechanism on the entrance side.
【０００９】そして上記本発明設備において、連続焼鈍
炉の出側に設けたシール機構を構成するシール装置のう
ち少なくとも１つは非接触シールであるのが好ましい。
また、ウオータークエンチ装置の入側に設けたシール機
構が複数のシール装置からなり、該複数のシール装置の
間から雰囲気を吸い出す排気ファンが設けてあるのが好
ましい。In the above-mentioned equipment of the present invention, it is preferable that at least one of the sealing devices constituting the sealing mechanism provided on the outlet side of the continuous annealing furnace is a non-contact seal.
Further, it is preferable that the sealing mechanism provided on the inlet side of the water quench device includes a plurality of sealing devices, and an exhaust fan for sucking an atmosphere from between the plurality of sealing devices is provided.
【００１０】[0010]
【発明の実施の形態】本発明設備は、図１に例示するよ
うな、鋼板１の流れ方向に沿って、少なくとも連続焼鈍
炉２、メッキポット３およびメッキ装置４、ウォーター
クエンチ装置７が配置されたラインに、バイパス装置８
を設けた連続焼鈍および溶融メッキ兼用設備を対象とす
る。バイパス装置８は、鋼板１を大気に触れることなく
連続焼鈍炉２からウオータークエンチ装置７へ直接導く
ものであり、バイパス装置８の内部は非酸化性雰囲気に
保たれている。BEST MODE FOR CARRYING OUT THE INVENTION In the equipment of the present invention, at least a continuous annealing furnace 2, a plating pot 3, a plating apparatus 4, and a water quench apparatus 7 are arranged along the flow direction of a steel sheet 1 as illustrated in FIG. The bypass line 8
It is intended for continuous annealing and hot-dip combined equipment provided with. The bypass device 8 directly guides the steel sheet 1 from the continuous annealing furnace 2 to the water quench device 7 without contacting the atmosphere, and the inside of the bypass device 8 is kept in a non-oxidizing atmosphere.
【００１１】本発明設備は、このような連続焼鈍および
溶融メッキ兼用設備において、図１の例のように、連続
焼鈍炉２の出側にシール機構１０を設け、かつウオータ
ークエンチ装置７の入側にシール機構１１を設けたこと
を特徴とする。ウオータークエンチ装置７入側のシール
機構１１は、図１のように入側ロール１６の出側に設け
るほか、図２のように入側ロール１６の入側に、あるい
は入側ロール１６を挟んで両側に設けることもできる。The equipment of the present invention is a facility for combined use of continuous annealing and hot-dip plating, as shown in FIG. 1, in which a sealing mechanism 10 is provided on the outlet side of the continuous annealing furnace 2 and the inlet side of the water quench device 7 is provided. A seal mechanism 11 is provided. The sealing mechanism 11 on the entrance side of the water quench device 7 is provided on the exit side of the entrance roll 16 as shown in FIG. 1 and also on the entrance side of the entrance roll 16 as shown in FIG. It can also be provided on both sides.
【００１２】図１の設備において溶融メッキ材を製造す
るには、連続焼鈍炉２で焼鈍された鋼板１を、破線で示
すようにメッキポット３に導入してメッキし、メッキ装
置４によりメッキ付着量を調整したのち、必要に応じて
合金化炉５で合金化処理を行い、鋼板冷却装置６で冷却
し、ウオータークエンチ装置７により略常温まで冷却す
る。このとき、バイパス装置８に設けた切替装置１４は
鉛直方向通板用にしてある。In order to produce a hot-dip material in the equipment shown in FIG. 1, a steel sheet 1 annealed in a continuous annealing furnace 2 is introduced into a plating pot 3 as shown by a broken line, plated, and plated by a plating apparatus 4. After adjusting the amount, alloying treatment is performed in an alloying furnace 5 as necessary, and the steel plate is cooled by a steel plate cooling device 6 and cooled to a substantially normal temperature by a water quench device 7. At this time, the switching device 14 provided in the bypass device 8 is used for vertically passing the plate.
【００１３】連続焼鈍材を製造するには、連続焼鈍炉２
で焼鈍された鋼板１を、実線で示すようにバイパス装置
８を通してウオータークエンチ装置７へ直接導入し、略
常温まで冷却する。このとき、切替装置１４は水平方向
通板用にしてある。バイパス装置８内は、非酸化性雰囲
気たとえば連続焼鈍装置炉２内と同雰囲気の５〜１０％
Ｈ2−９５〜９０％Ｎ2に保たれているため、鋼板１は表
面酸化することなくウオータークエンチ装置７まで到達
して冷却される。In order to produce a continuous annealing material, a continuous annealing furnace 2
The steel sheet 1 annealed in step 1 is directly introduced into the water quench device 7 through the bypass device 8 as shown by the solid line, and cooled to approximately room temperature. At this time, the switching device 14 is used for horizontal plate passing. The atmosphere in the bypass unit 8 is a non-oxidizing atmosphere, for example, 5 to 10% of the same atmosphere as in the furnace 2 of the continuous annealing apparatus.
Since H 2 is maintained at −95 to 90% N 2 , the steel sheet 1 reaches the water quench device 7 without being oxidized on the surface and is cooled.
【００１４】また、バイパス装置８の下部にクレーン９
を設置することにより、メッキポット３、メッキ装置
４、あるいはメッキポット3内の設置機器の搬入および
搬出を容易にし、連続焼鈍材を製造しているときにこれ
ら装置や機器の保守、点検、修繕を行うことが可能とな
り、生産効率の向上がはかられる。A crane 9 is provided below the bypass device 8.
Installation facilitates the loading and unloading of the plating pot 3, the plating apparatus 4, or the equipment installed in the plating pot 3, and the maintenance, inspection, and repair of these equipment and equipment during continuous annealing. Can be performed, and the production efficiency can be improved.
【００１５】図１の例において、溶融メッキ材の製造か
ら連続焼鈍材の製造に切り替えるには、連続焼鈍炉２と
ベンディングロール１５との間の、たとえばａ点で鋼板
１を切断し、メッキポット３内の鋼板を切替装置１４の
上方まで、たとえばｂ点まで引き上げる。またウオータ
ークエンチ装置７の入側ロール１６の上方、たとえばｃ
点で鋼板を切断する。In the example of FIG. 1, in order to switch from the production of the hot-dip material to the production of the continuous annealing material, the steel sheet 1 is cut between the continuous annealing furnace 2 and the bending roll 15, for example, at a point, and the plating pot is cut. The steel plate in 3 is pulled up to above the switching device 14, for example, to point b. Also, above the inlet roll 16 of the water quench device 7, for example, c
Cut the steel plate at the point.
【００１６】そして切替装置１４を水平方向通板用に切
り替え、ピンチロール１２により連続焼鈍炉２から鋼板
１を引き出しつつ、その先端をベンディングロール１５
から上に向かわせ、バイパス装置８を経て入側ロール１
６までスレッディングして、ウオータークエンチ装置７
内の鋼板に接続する。なお、ウオータークエンチ装置７
から鋼板を引き出してもスレッディングは可能である
が、ウオータークエンチ装置７の水分がバイパス装置８
に持ちこまれるので、バイパス装置８内を非酸化性雰囲
気にするのが困難となる。Then, the switching device 14 is switched for horizontal sheet passing, and while the steel sheet 1 is pulled out of the continuous annealing furnace 2 by the pinch roll 12, the tip thereof is bent by a bending roll 15.
From above, and through the bypass device 8, the entry roll 1
Threading to 6 and water quench device 7
To the steel plate inside. In addition, the water quench device 7
Threading is possible even if a steel plate is pulled out from the
Therefore, it is difficult to make the inside of the bypass device 8 a non-oxidizing atmosphere.
【００１７】連続焼鈍材の製造から溶融メッキ材の製造
に切り替えるには、ａ点で鋼板１を切断してバイパス装
置８内の鋼板をウオータークエンチ装置７の入側ロール
１６まで引き出し、上方に残されている鋼板に接続す
る。そして切替装置１４を鉛直方向通板用に切り替え、
ピンチロール１２により連続焼鈍炉２から鋼板１を引き
出しつつ、その先端をピンチロール１３によりメッキポ
ット３へ導入し、メッキ装置４を経て切替装置１４の上
までスレッディングし、ｂ点にて上方に残されている鋼
板に接続する。In order to switch from the production of the continuously annealed material to the production of the hot-dip plated material, the steel plate 1 is cut at point a, the steel plate in the bypass device 8 is drawn out to the entry roll 16 of the water quench device 7, and the upper portion is left. Connected to the steel plate that is being used. Then, the switching device 14 is switched for vertical passing,
While pulling out the steel sheet 1 from the continuous annealing furnace 2 by the pinch roll 12, the tip thereof is introduced into the plating pot 3 by the pinch roll 13, threaded to the switching device 14 via the plating device 4, and left upward at the point b. Connected to the steel plate that is being used.
【００１８】本発明者らが前記課題解決について検討し
た結果、このような切替後の初期に発生する鋼板表面酸
化の原因は、切替作業の際、連続焼鈍炉２内に外気が侵
入すること、およびバイパス装置８内にウオータークエ
ンチ装置７から水蒸気が侵入することに起因していた。The inventors of the present invention have studied the solution of the above-mentioned problems. As a result, the cause of the oxidation of the steel sheet surface that occurs at the initial stage after the switching is that outside air enters the continuous annealing furnace 2 during the switching operation. In addition, water vapor enters the bypass device 8 from the water quench device 7.
【００１９】そこで本発明設備は、図１の例のように連
続焼鈍炉２の出側にシール機構１０を設け、かつウオー
タークエンチ装置７の入側にシール機構１１を設けた。
前者により切替作業中における連続焼鈍炉２内への外気
侵入が防止され、後者により切替作業中におけるバイパ
ス装置８内への水蒸気侵入が防止され、切替後の初期に
おいても、鋼板表面酸化によるブルーイングやメッキ不
良といった製品不良発生の問題が解決された。Therefore, in the facility of the present invention, a sealing mechanism 10 is provided on the exit side of the continuous annealing furnace 2 and a sealing mechanism 11 is provided on the entrance side of the water quench device 7 as in the example of FIG.
The former prevents outside air from entering into the continuous annealing furnace 2 during the switching operation, the latter prevents water vapor from entering into the bypass device 8 during the switching operation, and even at the initial stage after the switching, blueing due to oxidation of the steel sheet surface The problem of product failure such as poor plating and plating has been solved.
【００２０】連続焼鈍炉２の出側に設けたシール機構１
０には、図３に示すラビリンスシール１７のような非接
触シールを採用するのが好ましい。本例ではラビリンス
シール１７とダンパーシール１８を並設しているが、こ
のようにシール装置のうち少なくとも１つは非接触シー
ルとするのが好ましい。非接触シールとしては、このほ
かガスカーテンなども採用できる。非接触シールによ
り、スレッディングを行うとき良好なシール状態を維持
した状態で連続焼鈍炉２から鋼板１を容易に引き出すこ
とができる。切替作業が完了し鋼板のパスラインが外気
と遮断されたのちは、シール機構１０は開放してよい。A sealing mechanism 1 provided on the outlet side of the continuous annealing furnace 2
For 0, it is preferable to employ a non-contact seal such as a labyrinth seal 17 shown in FIG. In this embodiment, the labyrinth seal 17 and the damper seal 18 are provided side by side, but it is preferable that at least one of the sealing devices is a non-contact seal. In addition, a gas curtain or the like can be used as the non-contact seal. By the non-contact seal, the steel sheet 1 can be easily pulled out from the continuous annealing furnace 2 while maintaining a good sealing state when performing threading. After the switching operation is completed and the pass line of the steel plate is cut off from the outside air, the seal mechanism 10 may be opened.
【００２１】ウオータークエンチ装置７の入側に設けた
シール機構１１は、図４の例のように、複数のシール装
置、本例ではダンパーシール１８およびダンパーシール
１８とシールロール１９の組み合わせからなり、これら
複数のシール装置の間から雰囲気を吸い出す排気ファン
２０を設置するのが好ましい。本例では入側ロール１６
を挟んで両側にシール機構１１を設け、合計５段のシー
ル装置としているが、入側ロール１６の片側だけでもよ
い。The seal mechanism 11 provided on the entrance side of the water quench device 7 is composed of a plurality of seal devices, in this example, a damper seal 18 and a combination of the damper seal 18 and the seal roll 19 as shown in FIG. It is preferable to provide an exhaust fan 20 that sucks the atmosphere from between the plurality of sealing devices. In this example, the entrance roll 16
Although the sealing mechanism 11 is provided on both sides of the sealing roll 11 to provide a total of five stages of sealing devices, only one side of the entrance roll 16 may be used.
【００２２】ウオータークエンチ装置７から上がってく
る水蒸気は、ダンパーシール１８やシールロール１９の
鋼板パスラインと反対側を通ってバイパス装置８に侵入
することもある。このため排気ファン２０に吸引管２１
を接続し、吸引口２２を各シール装置の間に臨ませ、上
記反対側の水蒸気を吸引して排出することで、より効果
的にバイパス装置８への水蒸気侵入を防止し、連続焼鈍
材の製品不良発生を抑制する。このシール機構１１は、
切替作業中のほか連続焼鈍材の通板中もシールを効か
せ、水蒸気がバイパス装置８に侵入するのを防止する。The water vapor coming out of the water quench device 7 may enter the bypass device 8 through the damper seal 18 or the seal roll 19 on the side opposite to the steel sheet pass line. Therefore, the suction pipe 21 is connected to the exhaust fan 20.
Is connected, the suction port 22 is exposed between the sealing devices, and the water vapor on the opposite side is suctioned and discharged, so that the invasion of water vapor into the bypass device 8 can be more effectively prevented, and the continuous annealing material can be formed. Suppress the occurrence of product defects. This sealing mechanism 11
In addition to the switching operation, the seal is effective during the passage of the continuous annealed material to prevent the steam from entering the bypass device 8.
【００２３】[0023]
【発明の効果】本発明により、鋼板の連続焼鈍と溶融メ
ッキを同一の設備で切り替えて行う連続焼鈍および溶融
メッキ兼用設備において、切替後の特に初期のブルーイ
ングやメッキ不良など鋼板表面酸化による製品不良の発
生が抑制され、切替作業も容易となる。このため、従来
は切替後に安定化するまで時間を要していたのが不要と
なり、切替時間が短縮される。したがって、溶融メッキ
材および連続焼鈍材の製品製造歩留まりが向上するとと
もに、生産性も向上する。According to the present invention, in a continuous annealing and hot-dip combined equipment in which continuous annealing and hot-dip coating are switched by using the same equipment according to the present invention, a product due to oxidation of the steel sheet surface, such as initial bluing and poor plating after switching, is provided. The occurrence of defects is suppressed, and the switching operation is facilitated. For this reason, it is no longer necessary to take time until the power is stabilized after switching, and the switching time is shortened. Therefore, the product production yield of the hot-dip plated material and the continuously annealed material is improved, and the productivity is also improved.
【図１】本発明設備の例を示す説明図である。FIG. 1 is an explanatory view showing an example of the facility of the present invention.
【図２】本発明設備の別の例を示す説明図である。FIG. 2 is an explanatory view showing another example of the facility of the present invention.
【図３】本発明設備におけるシール機構の例を示す説明
図である。FIG. 3 is an explanatory view showing an example of a sealing mechanism in the facility of the present invention.
【図４】本発明設備におけるシール機構の別の例を示す
説明図である。FIG. 4 is an explanatory view showing another example of the sealing mechanism in the facility of the present invention.
１…鋼板 ２…連続焼鈍炉 ３…メッキポット ４…メッキ装置 ５…合金化炉 ６…鋼板冷却装置 ７…ウオータークエンチ装置 ８…バイパス装置 ９…クレーン １０，１１…シール機
構 １２，１３…ピンチロール １４…切替装置 １５…ベンディングロール １６…入側ロール １７…ラビリンスシール １８…ダンパーシー
ル １９…シールロール ２０…排気ファン ２１…吸引管 ２２…吸引口DESCRIPTION OF SYMBOLS 1 ... Steel plate 2 ... Continuous annealing furnace 3 ... Plating pot 4 ... Plating apparatus 5 ... Alloying furnace 6 ... Steel plate cooling apparatus 7 ... Water quench apparatus 8 ... Bypass apparatus 9 ... Crane 10,11 ... Seal mechanism 12,13 ... Pinch roll DESCRIPTION OF SYMBOLS 14 ... Switching device 15 ... Bending roll 16 ... Entry roll 17 ... Labyrinth seal 18 ... Damper seal 19 ... Seal roll 20 ... Exhaust fan 21 ... Suction pipe 22 ... Suction port
───────────────────────────────────────────────────── フロントページの続き (72)発明者 岡田 伸義 福岡県北九州市戸畑区飛幡町１番１号 新 日本製鐵株式会社八幡製鐵所内 (72)発明者 寺原 弘一 千葉県富津市新富20−１ 新日本製鐵株式 会社技術開発本部内 Ｆターム(参考） 4K027 AA02 AA05 AA22 AD01 AD02 AD10 AE36 4K043 AA01 CB02 CB03 DA05 EA06 GA01 GA02 GA03 GA06 HA04 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Nobuyoshi Okada 1-1, Hibata-cho, Tobata-ku, Kitakyushu-shi, Fukuoka Prefecture Nippon Steel Corporation Yawata Works (72) Inventor Koichi Terahara 20-Shintomi, Futtsu City, Chiba Prefecture 1 Nippon Steel Corporation Technology Development Division F term (reference) 4K027 AA02 AA05 AA22 AD01 AD02 AD10 AE36 4K043 AA01 CB02 CB03 DA05 EA06 GA01 GA02 GA03 GA06 HA04
Claims (3)
続焼鈍炉、メッキポットおよびメッキ装置、ウォーター
クエンチ装置が配置されたラインに、鋼板を大気に触れ
ることなく連続焼鈍炉からウオータークエンチ装置へ直
接導くバイパス装置を設け、該バイパス装置の内部は非
酸化性雰囲気に保たれている設備において、連続焼鈍炉
の出側およびウオータークエンチ装置の入側にシール機
構を設けたことを特徴とする連続焼鈍および溶融メッキ
兼用設備。Claims 1. A steel sheet is directly transferred from a continuous annealing furnace to a water quench apparatus without contacting the atmosphere with a line in which at least a continuous annealing furnace, a plating pot, a plating apparatus, and a water quench apparatus are arranged along a flow direction of the steel sheet. A continuous annealing device, wherein a guiding device is provided, and the inside of the bypass device is maintained in a non-oxidizing atmosphere, and a sealing mechanism is provided on an outlet side of the continuous annealing furnace and an inlet side of the water quench device. And equipment for combined use of hot-dip plating.
構成するシール装置のうち少なくとも１つは非接触シー
ルであることを特徴とする請求項１記載の連続焼鈍炉お
よび溶融メッキ兼用設備。2. A continuous annealing furnace and a hot-dip plating facility according to claim 1, wherein at least one of the sealing devices constituting the sealing mechanism provided on the outlet side of the continuous annealing furnace is a non-contact seal. .
シール機構が複数のシール装置からなり、該複数のシー
ル装置の間から雰囲気を吸い出す排気ファンを設置した
ことを特徴とする請求項１または２記載の連続焼鈍炉お
よび溶融メッキ兼用設備。3. The sealing mechanism provided on the inlet side of the water quench device includes a plurality of sealing devices, and an exhaust fan for sucking an atmosphere from between the plurality of sealing devices is provided. The continuous annealing furnace and hot-dip plating equipment described.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001069574A JP4728494B2 (en) | 2001-03-13 | 2001-03-13 | Facilities for continuous annealing and hot dipping |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001069574A JP4728494B2 (en) | 2001-03-13 | 2001-03-13 | Facilities for continuous annealing and hot dipping |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2002275546A true JP2002275546A (en) | 2002-09-25 |
| JP4728494B2 JP4728494B2 (en) | 2011-07-20 |
Family
ID=18927593
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2001069574A Expired - Lifetime JP4728494B2 (en) | 2001-03-13 | 2001-03-13 | Facilities for continuous annealing and hot dipping |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4728494B2 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006054564A1 (en) * | 2004-11-19 | 2006-05-26 | Nippon Steel Corporation | Apparatus for producing high strength steel sheet or hot dip zinc plated high strength steel sheet excellent in elongation and bore expanding characteristics |
| JP2007239006A (en) * | 2006-03-07 | 2007-09-20 | Nippon Steel Corp | Continuous hot dip metal plating apparatus |
| JP2016037658A (en) * | 2014-08-11 | 2016-03-22 | Ｊｆｅスチール株式会社 | Steel strip production device |
| JP2016037659A (en) * | 2014-08-11 | 2016-03-22 | Ｊｆｅスチール株式会社 | Method for producing steel strip, and the steel strip |
| FR3095452A1 (en) * | 2019-04-29 | 2020-10-30 | Fives Stein | Dual Purpose Metal Strip Continuous Processing Line |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5871366A (en) * | 1981-10-22 | 1983-04-28 | Nippon Steel Corp | Combined manufacturing facility for cold rolled steel plate and zinc hot dipped steel plate |
| JPS6164826A (en) * | 1984-05-23 | 1986-04-03 | Daido Steel Co Ltd | Sealing device |
| JPH11124634A (en) * | 1997-10-22 | 1999-05-11 | Nkk Corp | Heat treatment apparatus of steel strip in continuous annealing process and its heat treatment method |
| JPH11279731A (en) * | 1998-03-31 | 1999-10-12 | Nippon Steel Corp | Continuous hot-dipping and annealing equipment |
-
2001
- 2001-03-13 JP JP2001069574A patent/JP4728494B2/en not_active Expired - Lifetime
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5871366A (en) * | 1981-10-22 | 1983-04-28 | Nippon Steel Corp | Combined manufacturing facility for cold rolled steel plate and zinc hot dipped steel plate |
| JPS6164826A (en) * | 1984-05-23 | 1986-04-03 | Daido Steel Co Ltd | Sealing device |
| JPH11124634A (en) * | 1997-10-22 | 1999-05-11 | Nkk Corp | Heat treatment apparatus of steel strip in continuous annealing process and its heat treatment method |
| JPH11279731A (en) * | 1998-03-31 | 1999-10-12 | Nippon Steel Corp | Continuous hot-dipping and annealing equipment |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006054564A1 (en) * | 2004-11-19 | 2006-05-26 | Nippon Steel Corporation | Apparatus for producing high strength steel sheet or hot dip zinc plated high strength steel sheet excellent in elongation and bore expanding characteristics |
| US9096918B2 (en) | 2004-11-19 | 2015-08-04 | Nippon Steel & Sumitomo Metal Corporation | Facility for production of high strength steel sheet or hot dip zinc coated high strength steel sheet excellent in elongation and hole expandability |
| JP2007239006A (en) * | 2006-03-07 | 2007-09-20 | Nippon Steel Corp | Continuous hot dip metal plating apparatus |
| JP4700527B2 (en) * | 2006-03-07 | 2011-06-15 | 新日本製鐵株式会社 | Continuous molten metal plating equipment |
| JP2016037658A (en) * | 2014-08-11 | 2016-03-22 | Ｊｆｅスチール株式会社 | Steel strip production device |
| JP2016037659A (en) * | 2014-08-11 | 2016-03-22 | Ｊｆｅスチール株式会社 | Method for producing steel strip, and the steel strip |
| US10273557B2 (en) | 2014-08-11 | 2019-04-30 | Jfe Steel Corporation | Steel-strip production apparatus |
| FR3095452A1 (en) * | 2019-04-29 | 2020-10-30 | Fives Stein | Dual Purpose Metal Strip Continuous Processing Line |
| WO2020221977A1 (en) * | 2019-04-29 | 2020-11-05 | Fives Stein | Processing line for the continuous processing of metal strips having a dual purpose of producing strips that are annealed and dip-coated or not coated, and corresponding cooling tower and method for switching from one configuration to the other |
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| Publication number | Publication date |
|---|---|
| JP4728494B2 (en) | 2011-07-20 |
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