JP2003253413A - Facility and method for manufacturing both cold rolled steel plate and plated steel plate - Google Patents
Facility and method for manufacturing both cold rolled steel plate and plated steel plateInfo
- Publication number
- JP2003253413A JP2003253413A JP2002059625A JP2002059625A JP2003253413A JP 2003253413 A JP2003253413 A JP 2003253413A JP 2002059625 A JP2002059625 A JP 2002059625A JP 2002059625 A JP2002059625 A JP 2002059625A JP 2003253413 A JP2003253413 A JP 2003253413A
- Authority
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- Japan
- Prior art keywords
- steel sheet
- plating
- steel plate
- rolled steel
- plated steel
- 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.)
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- 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、高強度冷延鋼板と
めっき鋼板を同一の設備を用いて製造する、高強度冷延
鋼板とめっき鋼板の兼用製造設備および兼用製造方法に
関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a high-strength cold-rolled steel sheet and a galvanized steel sheet, which are manufactured using the same equipment, and a combined manufacturing facility and method.
【０００２】[0002]
【従来の技術】従来、鋼板の表面にめっきを施すめっき
鋼板と、鋼板に焼鈍処理を施して表面の酸化膜や加工特
性を調節し、さらに、水焼入れなどの急速冷却により強
度を高める高強度冷延鋼板はそれぞれ別のラインを用い
て製造されていた。図５は、従来の高強度冷延鋼板の製
造設備を示す図である。加熱炉１および均熱炉２にて熱
処理された鋼板は、ガスジェット冷却装置３および必要
に応じてロール冷却により一次冷却された後、水焼入れ
槽６に浸漬することにより、１００℃／秒を超える冷却
速度により焼き入れされることにより、例えば５９０Mp
a以上の高強度鋼板が製造される一方で、めっき鋼板は
全く別のラインで製造されていた。2. Description of the Related Art Conventionally, a plated steel sheet that is plated on the surface of a steel sheet and a steel sheet that is annealed to adjust the surface oxide film and processing characteristics, and further high strength that is strengthened by rapid cooling such as water quenching The cold-rolled steel sheets were manufactured using different lines. FIG. 5: is a figure which shows the manufacturing equipment of the conventional high strength cold rolled steel plate. The steel sheet heat-treated in the heating furnace 1 and the soaking furnace 2 is primarily cooled by the gas jet cooling device 3 and optionally by roll cooling, and then immersed in the water quenching tank 6 to keep 100 ° C./sec. By quenching at a cooling rate exceeding, for example, 590Mp
While high-strength steel sheets of a or higher were produced, galvanized steel sheets were produced on completely different lines.
【０００３】一般に、めっき鋼板および冷延鋼板の製造
ラインは、この原板である鋼板を焼鈍する焼鈍炉の入側
の装置である洗浄装置や、出側の装置である調質圧延装
置、塗油装置、巻き取り装置などは同じ構成であるが、
これらの装置を共有するには、鋼板の通板の切替え作業
が必要となり、さらに、切替え後の鋼板の品質を保証す
るための処置などに手間を要するという問題があった。
この対策として、例えば、特開昭５８−７１３６６号公
報に、めっき装置をバイパスする手段を設けることによ
り冷延鋼板とめっき鋼板を作り分ける製造設備が開示さ
れている。しかし、この従来技術は、めっき装置を経由
した鋼板も二次冷却帯に供給する設備構成となってお
り、本発明が対象とする高強度冷延鋼板とめっき鋼板の
兼用製造には適さなかった。Generally, in a production line for plated steel sheets and cold-rolled steel sheets, a cleaning device, which is a device on the inlet side of an annealing furnace for annealing the steel plate that is the base plate, a temper rolling device, which is a device on the outlet side, and a lubricating oil. The device, the winding device, etc. have the same configuration,
In order to share these devices, there has been a problem that it is necessary to switch the passage of steel sheets, and further, it takes time and effort to ensure the quality of the steel sheets after switching.
As measures against this, for example, Japanese Patent Application Laid-Open No. 58-71366 discloses a manufacturing facility for separately forming a cold-rolled steel sheet and a plated steel sheet by providing means for bypassing the plating apparatus. However, this conventional technology has an equipment configuration in which a steel sheet that has passed through a plating device is also supplied to the secondary cooling zone, and is not suitable for the combined production of the high-strength cold-rolled steel sheet and the plated steel sheet, which is the subject of the present invention. .
【０００４】[0004]
【発明が解決しようとする課題】本発明は、前記のよう
な従来技術の問題点を解決し、ガスジェット冷却装置の
後段にめっき装置と水焼き入れ槽との切替え装置を設け
ることにより、高強度冷延鋼板とめっき鋼板の兼用製造
設備および兼用製造方法を提供することを課題とする。SUMMARY OF THE INVENTION The present invention solves the problems of the prior art as described above, and provides a switching device between the plating device and the water quenching tank at the rear stage of the gas jet cooling device to improve the performance. An object of the present invention is to provide a combined manufacturing facility and a combined manufacturing method for a strength cold-rolled steel plate and a plated steel plate.
【０００５】[0005]
【課題を解決するための手段】本発明は、めっき装置と
水焼き入れ槽との切替え装置を設けることにより、高強
度冷延鋼板とめっき鋼板の兼用製造設備および兼用製造
方法を提供するものであり、その要旨とするところは、
特許請求の範囲に記載した通りの下記内容である。DISCLOSURE OF THE INVENTION The present invention provides a combined use manufacturing facility for a high-strength cold-rolled steel plate and a plated steel plate and a combined use manufacturing method by providing a switching device between a plating device and a water quenching tank. Yes, the main point is
The contents are as described in the claims.
【０００６】（１）加熱炉と、冷却装置とを有する焼鈍
炉から出た鋼板をめっき装置に供給してめっき鋼板を製
造するめっきパスルートと、前記焼鈍炉から出た鋼板を
前記めっき装置を通さないで水焼入れ槽に供給して高強
度冷延鋼板を製造する冷延パスルートとを切替えるパス
切替え装置を有することを特徴とする高強度冷延鋼板と
めっき鋼板の兼用製造設備。ここに、めっき装置とは、
溶融亜鉛めっき装置、合金化溶融亜鉛めっき装置、電気
めっき装置、および、蒸着めっき装置を含むめっき装置
をいう。
（２）前記冷却装置の後段にシール装置を有することを
特徴とする（１）に記載の高強度冷延鋼板とめっき鋼板
の兼用製造設備。(1) A plating pass route for manufacturing a plated steel sheet by supplying a steel sheet discharged from an annealing furnace having a heating furnace and a cooling device to a plating apparatus, and a steel sheet discharged from the annealing furnace through the plating apparatus. A combined production facility for high-strength cold-rolled steel sheets and plated steel sheets, which has a path switching device that switches between a cold-rolling path route for manufacturing high-strength cold-rolled steel sheets by supplying it to a water-quenching tank. Here, the plating equipment
It refers to a plating apparatus including a hot-dip galvanizing apparatus, an alloy hot-dip galvanizing apparatus, an electroplating apparatus, and a vapor deposition plating apparatus. (2) The high-strength cold-rolled steel sheet / plated steel sheet combined production facility according to (1), which has a sealing device at a stage subsequent to the cooling device.
【０００７】（３）前記パス切替え装置が、めっきポッ
トと水焼入れ槽とを切替える手段を有することを特徴と
する（１）または（２）に記載の高強度冷延鋼板とめっ
き鋼板の兼用製造設備。
（４）前記パス切替え装置が、めっきポット内のシンク
ロールおよび水焼入れ槽内のシンクロールを昇降させる
手段を有することを特徴とする（１）または（２）に記
載の高強度冷延鋼板とめっき鋼板の兼用製造設備。
（５）加熱炉と、冷却装置とを有する焼鈍炉から出た鋼
板にめっきを施す場合にはめっき・焼入れ共用槽にめっ
き液を供給し、該焼鈍炉から出た鋼板に水焼入れを施す
場合には該めっき・焼入れ共用槽に水を供給することを
特徴とする高強度冷延鋼板とめっき鋼板の兼用製造方
法。(3) The path switching device has means for switching between a plating pot and a water quenching tank, and the combined use of the high-strength cold-rolled steel sheet and the plated steel sheet according to (1) or (2). Facility. (4) The high-strength cold-rolled steel sheet according to (1) or (2), wherein the path switching device has means for moving up and down the sink roll in the plating pot and the sink roll in the water quench tank. Combined production facility for plated steel sheets. (5) When plating a steel sheet discharged from an annealing furnace having a heating furnace and a cooling device, a plating solution is supplied to a common plating / quenching bath and water quenching is applied to the steel sheet discharged from the annealing furnace. The method for producing both high-strength cold-rolled steel sheet and plated steel sheet is characterized in that water is supplied to the plating / quenching common bath.
【０００８】[0008]
【発明の実施の形態】めっき装置を溶融亜鉛めっき装置
とする場合について、本発明における冷延鋼板とめっき
鋼板の兼用製造設備の実施形態を、図１乃至図４を用い
て詳細に説明する。
（第１の実施形態）図１は、本発明の高強度冷延鋼板と
めっき鋼板の兼用製造設備における第１の実施形態を示
す図である。加熱炉１および均熱炉２にて熱処理された
鋼板は、ガスジェット冷却装置３および必要に応じてロ
ール冷却により一次冷却された後、パス切替え装置４に
よりめっきポット５に供給されるめっきパスルート１０
と、水焼き入れ槽６に供給される冷延パスルート１１と
に分岐される。BEST MODE FOR CARRYING OUT THE INVENTION An embodiment of a combined production facility for cold-rolled steel sheets and plated steel sheets according to the present invention will be described in detail with reference to FIGS. (First Embodiment) FIG. 1 is a diagram showing a first embodiment of the facility for producing a high-strength cold-rolled steel sheet and a plated steel sheet according to the present invention. The steel sheet heat-treated in the heating furnace 1 and the soaking furnace 2 is primarily cooled by the gas jet cooling device 3 and, if necessary, roll cooling, and then is supplied to the plating pot 5 by the path switching device 4 to the plating pass route 10.
And a cold rolling pass route 11 supplied to the water quenching tank 6.
【０００９】この一次冷却装置をガスジェット冷却装置
３および必要に応じてロール冷却とした理由は、めっき
装置に供給する原板の表面に水分が付着しているとめっ
きの密着性を低下させるので、表面の酸化を防止するこ
とができるN2ガスおよび必要に応じてロールによる冷却
が好ましいからである。切替え装置４は、例えば、鋼板
のパスルートを変更するロールを内蔵する雰囲気ガスを
シールできるボックスが好ましい。The reason why the primary cooling device is the gas jet cooling device 3 and, if necessary, the roll cooling is that the adhesion of the plating is deteriorated because moisture adheres to the surface of the original plate supplied to the plating device. This is because N2 gas capable of preventing surface oxidation and, if necessary, cooling by a roll are preferable. The switching device 4 is preferably, for example, a box that contains a roll that changes the path route of the steel sheet and that can seal the atmosphere gas.
【００１０】めっきパスライン１０に供給された鋼板
は、例えばめっきポットにて溶融亜鉛めっきが施された
後に高強度冷延鋼板と共通の後処理設備７に搬送され
る。一方、冷延パスライン１１に供給された鋼板は、水
焼き入れ槽６に浸漬されることにより、１００℃／秒を
超える冷却速度により焼き入れされることにより、例え
ば５９０Mpa以上の高強度になった後にめっき鋼板と共
通の後処理設備７に搬送される。後処理設備７には、表
面洗浄装置のほか、出側ループカー、スキンパスミル、
トリマー、検査室、テンションリールなどが含まれる。The steel sheet supplied to the plating pass line 10 is, for example, subjected to hot dip galvanizing in a plating pot and then conveyed to a post-treatment facility 7 common to the high strength cold rolled steel sheet. On the other hand, the steel sheet supplied to the cold rolling pass line 11 is immersed in the water quenching tank 6 and quenched at a cooling rate of more than 100 ° C./second, so that it has a high strength of, for example, 590 MPa or more. After that, it is conveyed to the post-treatment facility 7 common to the plated steel sheet. In the post-treatment equipment 7, in addition to the surface cleaning device, the exit side loop car, skin pass mill,
Includes trimmers, laboratories, tension reels, etc.
【００１１】なお、水焼入れの際に発生する蒸気が冷却
帯に流れ込むことによる鋼板表面の酸化を防止するた
め、ガスジェット冷却装置３の下流にガスシール（シー
ル装置）を設置することにより、シール装置前の雰囲気
を不活性に保つことが好ましい。冷延パスルートの雰囲
気ガスは、N2ガスとし、水冷却の直前はH2を0.1〜1％含
むN2ガスとすることが好ましい。また、めっきパスルー
トの雰囲気ガスはN2ガスが好ましい。このガスシール
（シール装置）は以下の第２乃至第４の実施形態につい
ても適用できる。In order to prevent the steam generated during water quenching from flowing into the cooling zone to oxidize the surface of the steel sheet, a gas seal (seal device) is installed downstream of the gas jet cooling device 3 to seal the seal. It is preferable to keep the atmosphere before the apparatus inert. The atmosphere gas of the cold rolling pass route is preferably N2 gas, and immediately before water cooling, it is preferably N2 gas containing 0.1 to 1% of H2. The atmosphere gas of the plating pass route is preferably N2 gas. This gas seal (sealing device) can be applied to the following second to fourth embodiments.
【００１２】（第２の実施形態）図２は、本発明の高強
度冷延鋼板とめっき鋼板の兼用製造設備における第２の
実施形態を示す図である。加熱炉１および均熱炉２にて
熱処理された鋼板は、ガスジェット冷却装置３および必
要に応じてロール冷却により一次冷却された後、めっき
ポット５または水焼き入れ槽６に供給される。本実施形
態においては、めっきパスルートと冷延パスルートの分
岐はなく、その代わりに、めっきポット５と水焼き入れ
槽６とを交換することにより、めっきと焼入れとを選択
する。(Second Embodiment) FIG. 2 is a view showing a second embodiment of the high-strength cold-rolled steel sheet and plated steel sheet manufacturing facility according to the present invention. The steel sheet heat-treated in the heating furnace 1 and the soaking furnace 2 is primarily cooled by the gas jet cooling device 3 and, if necessary, by roll cooling, and then supplied to the plating pot 5 or the water quenching tank 6. In the present embodiment, there is no branch between the plating pass route and the cold rolling pass route, and instead, the plating pot 5 and the water quenching bath 6 are replaced to select plating and quenching.
【００１３】パス切替え装置としては、めっきポット５
と水焼き入れ槽６の下部にローラーの付いた台車を設
け、油圧もしくは電動の駆動手段により、めっきポット
５および水焼き入れ槽６を移動させることにより、めっ
きポット５と水焼き入れ槽６とを切替える。めっき鋼板
を製造する場合には、めっきポット５を製造ラインに移
動し、高強度冷延鋼板を製造する場合には、水焼き入れ
槽６を製造ラインに移動することにより、高強度冷延鋼
板とめっき鋼板とを一つの設備で製造することができ
る。A plating pot 5 is used as a path switching device.
A carriage with a roller is provided below the water quenching tank 6 and the plating pot 5 and the water quenching tank 6 are moved by hydraulic or electric driving means to thereby form the plating pot 5 and the water quenching tank 6. Switch. When producing a plated steel sheet, the plating pot 5 is moved to the production line, and when producing a high-strength cold-rolled steel sheet, the water quenching tank 6 is moved to the production line. And the plated steel sheet can be manufactured by one facility.
【００１４】（第３の実施形態）図３は、本発明の高強
度冷延鋼板とめっき鋼板の兼用製造設備における第３の
実施形態を示す図である。加熱炉１および均熱炉２にて
熱処理された鋼板は、ガスジェット冷却装置３および必
要に応じてロール冷却により一次冷却された後、めっき
ポット５または水焼き入れ槽６に供給される。本実施形
態においては、めっきパスルートと冷延パスルートの分
岐はなく、その代わりに、めっきポット５と水焼き入れ
槽６の中に設置されたシンクロールを昇降させることに
より、めっきと焼入れとを選択する。(Third Embodiment) FIG. 3 is a diagram showing a third embodiment of the high-strength cold-rolled steel sheet / plated steel sheet manufacturing facility according to the present invention. The steel sheet heat-treated in the heating furnace 1 and the soaking furnace 2 is primarily cooled by the gas jet cooling device 3 and, if necessary, by roll cooling, and then supplied to the plating pot 5 or the water quenching tank 6. In this embodiment, there is no branch between the plating pass route and the cold rolling pass route, and instead, the plating pot 5 and the quench roll are selected by moving up and down the sink roll installed in the water quenching tank 6. To do.
【００１５】パス切替え装置としては、めっきポット５
と水焼き入れ槽６の内部に油圧もしくは電動の駆動手段
により昇降するシンクロール８を設置する。めっき鋼板
を製造する場合には、めっきポット５内のシンクロール
８をめっき液の中に浸漬させ、また、高強度冷延鋼板を
製造する場合には、水焼き入れ槽６内のシンクロール８
を冷却水の中に浸漬させることにより、高強度冷延鋼板
とめっき鋼板とを一つの設備で製造することができる。A plating pot 5 is used as a path switching device.
A sink roll 8 which is moved up and down by hydraulic or electric drive means is installed inside the water quenching tank 6. When manufacturing a plated steel sheet, the sink roll 8 in the plating pot 5 is immersed in a plating solution, and when manufacturing a high-strength cold-rolled steel sheet, the sink roll 8 in the water quenching tank 6 is manufactured.
It is possible to manufacture a high-strength cold-rolled steel sheet and a plated steel sheet by a single facility by immersing the steel sheet in cooling water.
【００１６】（第４の実施形態）図４は、本発明の高強
度冷延鋼板とめっき鋼板の兼用製造方法における第４の
実施形態を示す図である。加熱炉１および均熱炉２にて
熱処理された鋼板は、ガスジェット冷却装置３および必
要に応じてロール冷却により一次冷却された後、めっき
・焼入れ共用槽９に供給される。(Fourth Embodiment) FIG. 4 is a diagram showing a fourth embodiment of the method for producing a high-strength cold-rolled steel sheet and a plated steel sheet according to the present invention. The steel sheet heat-treated in the heating furnace 1 and the soaking furnace 2 is primarily cooled by the gas jet cooling device 3 and, if necessary, by roll cooling, and then supplied to the plating / quenching common bath 9.
【００１７】本実施形態においては、めっきパスルート
と冷延パスルートの分岐はなく、その代わりに、めっき
・焼入れ共用槽９を用いて、めっき鋼板を製造する場合
には、めっき・焼入れ共用槽９にめっき液を供給し、ま
た、高強度冷延鋼板を製造する場合には、めっき・焼入
れ共用槽９に冷却水を供給することにより、高強度冷延
鋼板とめっき鋼板とを一つの設備で製造することができ
る。なお、めっき液は通常は数百度の高温であり、冷却
水と接触すると水が急激に蒸発して危険を伴うため、め
っき・焼入れ共用槽９の内面を十分に乾燥させるために
加熱する必要がある。従って、めっき・焼入れ共用槽９
の内面はＳＵＳなどの高温に耐える材質とすることが好
ましい。In the present embodiment, there is no branching between the plating pass route and the cold rolling pass route. Instead, when a plated steel sheet is manufactured using the plating / quenching shared bath 9, the plating / quenching shared bath 9 is used. When a plating solution is supplied and a high-strength cold-rolled steel sheet is manufactured, high-strength cold-rolled steel sheet and plated steel sheet are manufactured by one facility by supplying cooling water to the plating / quenching common bath 9. can do. Note that the plating solution is usually at a high temperature of several hundreds of degrees, and when it comes into contact with cooling water, the water abruptly evaporates, which poses a danger. Therefore, it is necessary to heat the inner surface of the plating / quenching common bath 9 to sufficiently dry it. is there. Therefore, common bath for plating and quenching 9
The inner surface of the is preferably made of a material that can withstand high temperatures such as SUS.
【００１８】[0018]
【発明の効果】本発明によれば、ガスジェット冷却装置
の後段にめっき装置と水焼き入れ槽との切替え装置を設
けることにより、高強度冷延鋼板とめっき鋼板の兼用製
造設備および兼用製造方法を提供することができ、産業
上有用な顕著な効果を奏する。According to the present invention, by providing a switching device between the plating device and the water quenching tank in the subsequent stage of the gas jet cooling device, the combined use manufacturing facility for the high-strength cold-rolled steel plate and the plated steel plate and the combined use manufacturing method are provided. It is possible to provide a remarkable effect that is industrially useful.
【図１】 本発明の高強度冷延鋼板とめっき鋼板の兼用
製造設備における第１の実施形態を示す図である。FIG. 1 is a diagram showing a first embodiment of a combined production facility for a high-strength cold-rolled steel sheet and a plated steel sheet according to the present invention.
【図２】 本発明の高強度冷延鋼板とめっき鋼板の兼用
製造設備における第２の実施形態を示す図である。FIG. 2 is a diagram showing a second embodiment of the high-strength cold-rolled steel sheet / plated steel sheet production facility of the present invention.
【図３】 本発明の高強度冷延鋼板とめっき鋼板の兼用
製造設備における第３の実施形態を示す図である。FIG. 3 is a diagram showing a third embodiment of the high-strength cold-rolled steel sheet / plated steel sheet combined production facility of the present invention.
【図４】 本発明の高強度冷延鋼板とめっき鋼板の兼用
製造設備における第４の実施形態を示す図である。FIG. 4 is a diagram showing a fourth embodiment of the high-strength cold-rolled steel sheet / plated steel sheet combined production facility of the present invention.
【図５】 従来の高強度冷延鋼板の製造設備を示す図で
ある。FIG. 5 is a diagram showing a conventional high-strength cold-rolled steel sheet manufacturing facility.
１ ：加熱炉 ２ ：均熱炉 ３ ：ガスジェット冷却装置 ４ ：パス切替え装置 ５ ：めっきポット ６ ：水焼入れ槽 ７ ：後処理設備 ８ ：シンクロール ９ ：めっき・焼入れ共用槽 １０：めっきパスルート １１：冷延パスルート 1: Heating furnace 2: Soaking furnace 3: Gas jet cooling device 4: Path switching device 5: Plating pot 6: Water quenching tank 7: Post-processing equipment 8: Syncroll 9: Common bath for plating and quenching 10: Plating path route 11: Cold rolling pass route
───────────────────────────────────────────────────── フロントページの続き (72)発明者 田中 重典 東京都千代田区大手町２−６−３ 新日本 製鐵株式会社内 Ｆターム(参考） 4K027 AA02 AA22 AB42 AD02 AD08 AD17 AD26 AE36 4K043 AA01 CB02 DA01 EA07 HA04 ─────────────────────────────────────────────────── ─── Continued front page (72) Inventor Shigenori Tanaka 2-6-3 Otemachi, Chiyoda-ku, Tokyo New Japan Steelmaking Co., Ltd. F-term (reference) 4K027 AA02 AA22 AB42 AD02 AD08 AD17 AD26 AE36 4K043 AA01 CB02 DA01 EA07 HA04
Claims (5)
から出た鋼板をめっき装置に供給してめっき鋼板を製造
するめっきパスルートと、前記焼鈍炉から出た鋼板を前
記めっき装置を通さないで水焼入れ槽に供給して高強度
冷延鋼板を製造する冷延パスルートとを切替えるパス切
替え装置を有することを特徴とする高強度冷延鋼板とめ
っき鋼板の兼用製造設備。1. A plating pass route for manufacturing a plated steel sheet by supplying a steel sheet discharged from an annealing furnace having a heating furnace and a cooling device to a plating apparatus, and a steel sheet discharged from the annealing furnace not passing through the plating apparatus. A high-strength cold-rolled steel sheet / plated steel sheet production facility having a path switching device for switching between a cold-rolling path route for manufacturing a high-strength cold-rolled steel sheet by supplying to a water quenching tank.
ることを特徴とする請求項１に記載の高強度冷延鋼板と
めっき鋼板の兼用製造設備。2. The facility for combined use of a high-strength cold-rolled steel sheet and a plated steel sheet according to claim 1, further comprising a sealing device at a stage subsequent to the cooling device.
水焼入れ槽とを切替える手段を有することを特徴とする
請求項１または請求項２に記載の高強度冷延鋼板とめっ
き鋼板の兼用製造設備。3. The facility for combined use of a high-strength cold-rolled steel sheet and a plated steel sheet according to claim 1 or 2, wherein the path switching device has means for switching between a plating pot and a water quenching tank. .
のシンクロールおよび水焼入れ槽内のシンクロールを昇
降させる手段を有することを特徴とする請求項１または
請求項２に記載の高強度冷延鋼板とめっき鋼板の兼用製
造設備。4. The high-strength cold rolling according to claim 1, wherein the path switching device has means for moving up and down the sink roll in the plating pot and the sink roll in the water quench tank. Combined manufacturing equipment for steel and plated steel.
から出た鋼板にめっきを施す場合にはめっき・焼入れ共
用槽にめっき液を供給し、該焼鈍炉から出た鋼板に水焼
入れを施す場合には該めっき・焼入れ共用槽に水を供給
することを特徴とする高強度冷延鋼板とめっき鋼板の兼
用製造方法。5. When plating a steel sheet discharged from an annealing furnace having a heating furnace and a cooling device, a plating solution is supplied to a common bath for plating and quenching, and water quenching is applied to the steel sheet discharged from the annealing furnace. A method for producing both a high-strength cold-rolled steel sheet and a coated steel sheet, which is characterized in that water is supplied to the plating / quenching common bath when applying.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002059625A JP2003253413A (en) | 2002-03-06 | 2002-03-06 | Facility and method for manufacturing both cold rolled steel plate and plated steel plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002059625A JP2003253413A (en) | 2002-03-06 | 2002-03-06 | Facility and method for manufacturing both cold rolled steel plate and plated steel plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2003253413A true JP2003253413A (en) | 2003-09-10 |
Family
ID=28669223
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2002059625A Withdrawn JP2003253413A (en) | 2002-03-06 | 2002-03-06 | Facility and method for manufacturing both cold rolled steel plate and plated steel plate |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2003253413A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010097038A1 (en) * | 2009-02-25 | 2010-09-02 | 宝山钢铁股份有限公司 | Flexible strip steel processing line suitable for producing various high-strength steel |
| WO2010097042A1 (en) * | 2009-02-25 | 2010-09-02 | 宝山钢铁股份有限公司 | Flexible strip steel processing line suitable for producing various kinds of high-strength steels |
| JP2015509556A (en) * | 2012-02-08 | 2015-03-30 | ティッセンクルップ スチール ヨーロッパ アクチェンゲゼルシャフトＴｈｙｓｓｅｎＫｒｕｐｐ Ｓｔｅｅｌ Ｅｕｒｏｐｅ ＡＧ | Hot dipping method for steel sheet |
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2002
- 2002-03-06 JP JP2002059625A patent/JP2003253413A/en not_active Withdrawn
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2010097038A1 (en) * | 2009-02-25 | 2010-09-02 | 宝山钢铁股份有限公司 | Flexible strip steel processing line suitable for producing various high-strength steel |
| WO2010097042A1 (en) * | 2009-02-25 | 2010-09-02 | 宝山钢铁股份有限公司 | Flexible strip steel processing line suitable for producing various kinds of high-strength steels |
| JP2012518719A (en) * | 2009-02-25 | 2012-08-16 | 宝山鋼鉄股▲分▼有限公司 | Flexible strip processing line suitable for production of various high-strength steels |
| JP2012518720A (en) * | 2009-02-25 | 2012-08-16 | 宝山鋼鉄股▲分▼有限公司 | Flexible strip processing line suitable for production of various high-strength steels |
| RU2506321C2 (en) * | 2009-02-25 | 2014-02-10 | Баошан Айрон Энд Стил Ко., Лтд. | General-purpose line for treatment of steel strip for production of high-strength steel of various types |
| KR101395047B1 (en) | 2009-02-25 | 2014-05-16 | 바오샨 아이론 앤 스틸 유한공사 | Flexible strip steel processing line suitable for producing various kinds of high-strength steel |
| KR101395044B1 (en) | 2009-02-25 | 2014-05-16 | 바오샨 아이론 앤 스틸 유한공사 | Flexible Strip Steel Processing Line Suitable For Producing Various High-Strength Steel |
| JP2015509556A (en) * | 2012-02-08 | 2015-03-30 | ティッセンクルップ スチール ヨーロッパ アクチェンゲゼルシャフトＴｈｙｓｓｅｎＫｒｕｐｐ Ｓｔｅｅｌ Ｅｕｒｏｐｅ ＡＧ | Hot dipping method for steel sheet |
| US9803270B2 (en) | 2012-02-08 | 2017-10-31 | Thyssenkrupp Steel Europe Ag | Method for hot-dip coating of a steel flat product |
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