WO2008099970A1 - 連続焼鈍設備 - Google Patents
連続焼鈍設備 Download PDFInfo
- Publication number
- WO2008099970A1 WO2008099970A1 PCT/JP2008/052919 JP2008052919W WO2008099970A1 WO 2008099970 A1 WO2008099970 A1 WO 2008099970A1 JP 2008052919 W JP2008052919 W JP 2008052919W WO 2008099970 A1 WO2008099970 A1 WO 2008099970A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- zone
- heating
- rolls
- continuous annealing
- steel strip
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
- C21D9/54—Furnaces for treating strips or wire
- C21D9/56—Continuous furnaces for strip or wire
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/34—Methods of heating
- C21D1/42—Induction heating
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
- C21D9/54—Furnaces for treating strips or wire
- C21D9/56—Continuous furnaces for strip or wire
- C21D9/573—Continuous furnaces for strip or wire with cooling
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
- C21D9/54—Furnaces for treating strips or wire
- C21D9/56—Continuous furnaces for strip or wire
- C21D9/60—Continuous furnaces for strip or wire with induction heating
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D99/00—Subject matter not provided for in other groups of this subclass
- F27D99/0073—Seals
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D99/00—Subject matter not provided for in other groups of this subclass
- F27D99/0001—Heating elements or systems
- F27D99/0006—Electric heating elements or system
- F27D2099/0015—Induction heating
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Definitions
- the present invention relates to a continuous annealing facility, and more particularly to a continuous annealing facility capable of uniformizing the temperature distribution in the width direction of the steel strip after the steel strip is continuously annealed and then rapidly cooled with a gas jet cooling device.
- Cold-rolled steel sheets, galvanized steel sheets, and alloyed molten zinc-plated steel sheets used for automobile outer sheet materials, etc. are cooled after heat treatment of the steel strip as a raw material in a continuous annealing furnace, or heat treatment After that, it is led to a hot dip galvanizing bath and covered with hot dip zinc, and it is controlled to a predetermined adhesion amount, or after that, it is led to an alloying furnace by gas heating, induction heating, etc., and iron is thermally diffused to the plating layer. Usually, it is cooled after the alloying treatment to be performed, and then temper-rolled if necessary.
- the continuous annealing furnace used in the manufacture of the above steel sheets heats the steel strip to a predetermined temperature, heats the annealing zone and soaking, and cools the hot steel strip to room temperature or to a specified temperature.
- the quenching zone consists of a quenching zone and a slow cooling zone or a quenching zone and an overaging zone. There is a case.
- the rapid cooling technology applied to the production of this steel sheet includes a gas jet cooling method in which the cooling gas obtained by cooling the atmospheric gas with a heat exchanger is blown into the steel strip as a high-speed gas jet flow, and a cooling medium is injected into the inside of the mouthpiece.
- a cooling mechanism that cools a roll and cools the steel strip by pressing the cooled nozzle against the steel strip.
- the gas jet cooling system has the features that the appearance of the steel strip after cooling is relatively good and the cooling equipment is relatively inexpensive, but compared to other cooling methods. There was a drawback that the cooling rate was low. Therefore, in order to catch this drawback, it has been attempted to increase the heat transfer rate by increasing the flow rate of the cooling gas or by reducing the distance between the gas jet nozzle and the steel strip.
- Patent Document 1 discloses a technique in which an induction heating device is provided at the front or rear of the rapid cooling zone of an annealing furnace having a non-oxidation furnace
- Patent Document 2 provides an induction heating device at the rear of the cooling furnace.
- a technique for induction heating is disclosed.
- Patent Document 3 discloses a technique in which an edge heating roll for heating a steel plate end portion having a plurality of induction heating coils in the roll is disposed in the front stage of the hot dip zinc bath.
- Patent Document 1 Japanese Patent Application Laid-Open No. 0 6-1 7 9 95 5
- Patent Document 2 Japanese Patent Laid-Open No. 2 0 0 4-3 3 9 5 5 3
- Patent Document 3 Japanese Patent Laid-Open No. 2 0 0 5- 1 1 3 2 4 4 Disclosure of Invention
- Patent Document 1 places an induction heating device at the rear of the cooling zone of the horizontal furnace
- Patent Document 2 guides at the rear of the cooling zone of the vertical furnace.
- the heating coil of the induction heating device contacts the steel strip. Therefore, there is a risk of causing a trap such as a spark and a water leak from the cooling portion of the heating coil, and a breakage of the steel strip.
- the method disclosed in Patent Document 3 is used when the brazing angle of the edge of the edge shown in the example is about 120 °, and the steel strip is wide, thin and thick and has a poor shape.
- the inventors have clarified that the contact between the steel strip and the roll is insufficient and the effect of the edge heating roll cannot be obtained sufficiently.
- an induction heating device is installed in the annealing furnace and the steel strip is heated directly from the heating coil, it is necessary to open the furnace to repair the induction heating coil, and it is necessary to stop for a long time.
- the cooling gas that collides with the steel strip flows out of the cooling zone.
- an object of the present invention is to eliminate temperature unevenness in the width direction of the steel strip on the exit side of the quenching zone having the gas jet cooling equipment, and to prevent the occurrence of the strain strain and the wrinkle pattern of the bake hardenable steel plate. It is to provide a continuous annealing facility that can.
- an induction heating device is installed inside the roll after the quenching zone that has a gas jet cooling facility for continuous annealing. It has been found that the above problem can be solved by arranging a bridle roll unit comprising two or more heating rolls, and the present invention has been completed.
- the present invention is a continuous annealing equipment for a steel plate having at least a heating zone, a soaking zone, and a quenching zone, the quenching zone having a gas jet cooling facility, and an entrance and an exit of the quenching zone
- a prydle roll unit composed of two or more bridle rolls is provided, and after the quenching zone,
- a bridle roll unit has two or more heating rolls having an induction heating device inside, and the brazing angle of the heating rolls is 100 ° or more for each heating roll, and a total of all heating rolls is 3
- This is a continuous annealing facility characterized by a temperature of 80 ° or more. '
- the continuous annealing equipment of the present invention is one of cold rolled steel sheet manufacturing equipment, hot dip galvanized steel sheet manufacturing equipment, and alloyed hot dip galvanized steel sheet manufacturing equipment.
- the present invention it is possible to optimize the temperature distribution in the width direction of the steel strip at the exit of the quenching zone of the continuous annealing furnace that continuously heat treats the steel plate, so that the generation of strain and wrinkle patterns in the bake-hardening steel plate is effective. This can greatly contribute to the improvement of steel sheet quality and yield. Furthermore, according to the present invention, the operation trouble in the continuous annealing equipment is eliminated, and stable operation is possible.
- FIG. 1 is a diagram for explaining a production facility for an alloyed hot-dip galvanized steel sheet compatible with the present invention.
- FIG. 2 is a diagram for explaining an example of the structure of the manufacturing facility shown in FIG. 1 before and after the quenching zone.
- FIG. 3 is a diagram for explaining another structural example before and after the quenching zone of the manufacturing facility shown in FIG.
- FIG. 4 is a diagram illustrating the internal structure of a heating roll provided with an induction heating device.
- the continuous annealing facility according to the present invention will be described by taking as an example a manufacturing facility for alloyed hot-dip galvanized steel sheets.
- Fig. 1 shows the production facility for alloyed hot-dip galvanized steel sheets equipped with the continuous annealing equipment of the present invention, where 1 is a steel strip, 2 is a heating zone, 3 is a soaking zone, 4 and 6 are bridles.
- the roll unit 1, 5 is a rapid cooling zone, 7 is a cooling zone (slow cooling zone), 8 is a hot dip galvanizing tank, 9 is a galvanized adhesion amount control device, and 10 is an alloying furnace.
- FIG. 2 is a diagram showing a detailed configuration before and after the quenching zone 5 having the gas jet cooling facility 14 in the continuous annealing facility of the present invention.
- the prydle roll unit chambers 4 and 6 before and after the quench zone 5 have a plurality of bridle rolls 1 2 and 1 to give the steel strip 1 a desired target tension. 08 052919
- a seal roll is provided at each of the inlet and outlet of the quench zone 5.
- 1 3, 1 3 the bridle roll unit around the quenching zone 5
- 1 2 Op. 1 6 Students 4 and 6 are equipped with a heat transfer heater 1 1 to prevent cooling of the prydle roll It has been.
- the prydle roll unit disposed after the quenching zone needs to have a heating roll provided with an induction heating device inside the roll in order to eliminate temperature unevenness in the steel strip width direction.
- a pride roll unit 12 consisting of five pride no rolls 1 2 a is arranged before the quenching zone, and after the quenching zone, four bridle rolls 16 a are used.
- An example is shown in which a bridle roll unit 16 is provided, and three of them are the heating rolls 16 b from the side close to the quenching zone.
- the present invention is not limited to this.
- the prydle roll units 1 2 and 1 6 before and after the quenching zone are each composed of three bridle rolls. Two of the rear poodle rolls on the side close to the quenching zone may be heating rolls 16 b.
- the number of bridle rolls and heating rolls can be increased. It may be two, or it may have another structure (arrangement) different from those shown in Figs.
- the steel strip 1 is transported from the soaking zone 3 to the bridle roll unit champ 4 in the direction of the arrow in the figure, wrapped around the bridle roll unit 12 and then the quenching zone Then, it is transported to 5 and then passed over the bridle roll unit 16.
- the steel strip 1 has a heating roll 16 b that is preheated by an induction heating device inside the roll at the same time that the desired tension in the quenching zone 5 is applied by the bridle roll units 12 and 16. Uniform temperature distribution in the steel strip width direction is achieved by the bridle roll unit 16 after the quenching zone.
- the continuous annealing equipment of the present invention it is necessary to provide one or more pairs of seal rolls at each of the entrance and exit of the quenching zone. Because of the quenching gas jet The cooling gas ejected from the cooling facility collides with the steel strip surface, and then plies through the connection between the quenching zone and the exit of the quenching zone, that is, the prydle roll unit champ provided before and after the quenching zone. A large amount flows out into the ruroll unit chamber, and the edge of the bridle roll installed in the vicinity of the connecting part is excessively cooled.
- the prydle roll unit composed of at least two bridle rolls disposed after the quenching zone applies a desired tension to the steel strip in the quenching zone, and is applied to the heating roll of the unit. Therefore, it has the effect of improving the temperature uniformity in the width direction of the steel strip. Among these, the effect of uniformizing the temperature in the width direction of the steel strip is greatly influenced by the winding property of the steel strip around the bridle roll, especially the heating roll 16 b.
- the inventors have found that the winding angle of the steel strip around the heating roll 16 b incorporating the induction heating device in order to reliably obtain the above-described temperature equalization effect It was newly found that it is necessary to set the temperature to 100 ° C. or more for each heating roll and the total heating roll to 3800 ° or more.
- the bridle roll unit 1 6 after the quenching zone is a heating roll with a built-in induction heating device as many as necessary to achieve a uniform steel strip temperature, and the rest are normal bridle rolls. It is possible to adopt a configuration in which all of them are heating rolls with a built-in induction heating device and can be switched on and off as necessary. However, in any case, it is preferable that the roll used by induction heating is a roll closer to the quenching zone.
- FIG. 4 shows an example of the heating roll according to the present invention, and is an example in which an induction heating coil 17 divided into eight sections with a width of about 150 to 300 mm is disposed inside the roll. .
- the induction heating coil has a heating capacity of 10 to 30 kW per 100 mm width.
- the structure has a structure capable of selecting the presence or absence of heating and controlling the heating output according to the temperature distribution in the width direction of the steel strip.
- the continuous annealing equipment of the present invention may be any equipment as long as it has the above-mentioned requirements.
- a galvanized steel sheet manufacturing facility for example, equipment for producing cold-rolled steel sheets in addition to the equipment for producing galvannealed steel sheets described above.
- the plydle roll passing conditions after the rapid cooling zone (number of heating rolls used, the winding angle of each heating roll and the total brazing angle), the number of heating rolls used when the induction heating device is turned ON / OFF,
- the brazing angle was changed as shown in Table 1 by changing the arrangement of the heating rolls.
- the output in the width direction of the heating row was made uniform, 200 kW per unit.
- the heating roll is one of the four bridle rolls closest to the quenching zone. * 2 Heating rolls were two of the four bridle rolls close to the quenching zone.
- each heating roll satisfying the present invention is 100 ° or more and the total brazing angle of all heating rolls is 3 80 ° or more, the width direction of the steel strip The temperature difference of 3 ° C can be kept within 3 ° C, and it can be seen that wrinkle patterns are prevented from occurring in the product steel strip.
- the technique of the present invention can also be applied to an annealing furnace for metal bands other than steel bands.
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- General Engineering & Computer Science (AREA)
- Heat Treatment Of Strip Materials And Filament Materials (AREA)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2008800050963A CN101611159B (zh) | 2007-02-14 | 2008-02-14 | 连续退火设备 |
CA2678110A CA2678110C (en) | 2007-02-14 | 2008-02-14 | Continuous annealing equipment |
EP08711708.1A EP2112238B1 (en) | 2007-02-14 | 2008-02-14 | Continuous annealing equipment |
US12/521,007 US8097205B2 (en) | 2007-02-14 | 2008-02-14 | Continuous annealing equipment |
KR1020097015134A KR101128316B1 (ko) | 2007-02-14 | 2008-02-14 | 연속 소둔 설비 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007032859A JP5130733B2 (ja) | 2007-02-14 | 2007-02-14 | 連続焼鈍設備 |
JP2007-032859 | 2007-02-14 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2008099970A1 true WO2008099970A1 (ja) | 2008-08-21 |
Family
ID=39690190
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2008/052919 WO2008099970A1 (ja) | 2007-02-14 | 2008-02-14 | 連続焼鈍設備 |
Country Status (8)
Country | Link |
---|---|
US (1) | US8097205B2 (ja) |
EP (1) | EP2112238B1 (ja) |
JP (1) | JP5130733B2 (ja) |
KR (1) | KR101128316B1 (ja) |
CN (1) | CN101611159B (ja) |
CA (1) | CA2678110C (ja) |
TW (1) | TWI341331B (ja) |
WO (1) | WO2008099970A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2013175757A1 (ja) * | 2012-05-24 | 2013-11-28 | Jfeスチール株式会社 | 鋼帯の連続焼鈍炉、鋼帯の連続焼鈍方法、連続溶融亜鉛めっき設備及び溶融亜鉛めっき鋼帯の製造方法 |
WO2013175758A1 (ja) * | 2012-05-24 | 2013-11-28 | Jfeスチール株式会社 | 鋼帯の連続焼鈍炉、連続焼鈍方法、連続溶融亜鉛めっき設備及び溶融亜鉛めっき鋼帯の製造方法 |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20110208322A1 (en) | 2009-07-14 | 2011-08-25 | Tensegrity Prosthetics Inc. | Joints for Prosthetic, Orthotic and/or Robotic Devices |
US9290823B2 (en) * | 2010-02-23 | 2016-03-22 | Air Products And Chemicals, Inc. | Method of metal processing using cryogenic cooling |
WO2013084405A1 (ja) * | 2011-12-05 | 2013-06-13 | Jfeスチール株式会社 | 溶融亜鉛めっき鋼板の合金化処理装置、合金化制御方法および合金化度算出方法 |
KR101376565B1 (ko) * | 2011-12-15 | 2014-04-02 | (주)포스코 | 연속 소둔라인 급냉대의 스트립 온도제어 방법 및 장치 |
DE102011056846B4 (de) * | 2011-12-22 | 2014-05-28 | Thyssenkrupp Rasselstein Gmbh | Verfahren zur Herstellung eines Aufreißdeckels sowie Verwendung eines mit einer Schutzschicht versehenen Stahlblechs zur Herstellung eines Aufreißdeckels |
FR3014447B1 (fr) * | 2013-12-05 | 2016-02-05 | Fives Stein | Procede et installation de traitement thermique en continu d'une bande d'acier |
KR101568547B1 (ko) * | 2013-12-25 | 2015-11-11 | 주식회사 포스코 | 스트립의 연속소둔 장치 및 그 연속소둔 방법 |
CN104775012B (zh) * | 2014-01-10 | 2017-02-08 | 宝山钢铁股份有限公司 | 均匀加热带钢的宽幅面感应加热装置 |
US11236427B2 (en) | 2017-12-06 | 2022-02-01 | Polyvision Corporation | Systems and methods for in-line thermal flattening and enameling of steel sheets |
CN111996361A (zh) * | 2020-09-08 | 2020-11-27 | 白建生 | 一种漆包线生产用退火炉 |
CN112591528A (zh) * | 2020-12-15 | 2021-04-02 | 东阳东磁自动化科技有限公司 | 一种钢带上下料设备及其实现方法 |
EP4303516A1 (en) * | 2022-07-05 | 2024-01-10 | John Cockerill S.A. | Device for improving preoxidation in an annealing furnace |
CN116121498A (zh) * | 2023-02-07 | 2023-05-16 | 金长城线缆有限公司 | 铜丝连续退火装置 |
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JPS63174791A (ja) * | 1987-01-13 | 1988-07-19 | Sumitomo Metal Ind Ltd | クラツド材製造時における素材の加熱方法 |
JPH06179955A (ja) | 1992-12-12 | 1994-06-28 | Daido Steel Co Ltd | 金属ストリップの亜鉛メッキ用連続焼鈍炉 |
JPH0941045A (ja) * | 1995-07-26 | 1997-02-10 | Sumitomo Heavy Ind Ltd | 連続焼鈍設備における再加熱装置および再加熱方法 |
JPH11335744A (ja) * | 1998-03-26 | 1999-12-07 | Kawasaki Steel Corp | 連続熱処理炉ならびに連続熱処理炉における雰囲気制御方法および冷却方法 |
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US6190164B1 (en) * | 1998-03-26 | 2001-02-20 | Kawasaki Steel Corporation | Continuous heat treating furnace and atmosphere control method and cooling method in continuous heat treating furnace |
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JP2000277245A (ja) * | 1999-03-29 | 2000-10-06 | Tokuden Co Ltd | 誘導発熱ローラ装置 |
JP2002003956A (ja) * | 2000-06-27 | 2002-01-09 | Kawasaki Steel Corp | 連続熱処理炉の急冷帯前後用ロール及び急冷帯設備 |
-
2007
- 2007-02-14 JP JP2007032859A patent/JP5130733B2/ja not_active Expired - Fee Related
-
2008
- 2008-02-14 KR KR1020097015134A patent/KR101128316B1/ko not_active IP Right Cessation
- 2008-02-14 WO PCT/JP2008/052919 patent/WO2008099970A1/ja active Application Filing
- 2008-02-14 US US12/521,007 patent/US8097205B2/en not_active Expired - Fee Related
- 2008-02-14 CA CA2678110A patent/CA2678110C/en not_active Expired - Fee Related
- 2008-02-14 EP EP08711708.1A patent/EP2112238B1/en not_active Not-in-force
- 2008-02-14 CN CN2008800050963A patent/CN101611159B/zh not_active Expired - Fee Related
- 2008-02-14 TW TW097105117A patent/TWI341331B/zh not_active IP Right Cessation
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JPS63174791A (ja) * | 1987-01-13 | 1988-07-19 | Sumitomo Metal Ind Ltd | クラツド材製造時における素材の加熱方法 |
JPH06179955A (ja) | 1992-12-12 | 1994-06-28 | Daido Steel Co Ltd | 金属ストリップの亜鉛メッキ用連続焼鈍炉 |
JPH0941045A (ja) * | 1995-07-26 | 1997-02-10 | Sumitomo Heavy Ind Ltd | 連続焼鈍設備における再加熱装置および再加熱方法 |
JPH11335744A (ja) * | 1998-03-26 | 1999-12-07 | Kawasaki Steel Corp | 連続熱処理炉ならびに連続熱処理炉における雰囲気制御方法および冷却方法 |
JP2002241845A (ja) * | 2000-12-14 | 2002-08-28 | Kawasaki Steel Corp | 鋼帯の冷却方法 |
JP2004339553A (ja) | 2003-05-14 | 2004-12-02 | Nkk Steel Sheet & Strip Corp | 溶融金属めっき鋼帯の製造方法 |
JP2005113244A (ja) | 2003-10-10 | 2005-04-28 | Nippon Steel Corp | 合金化溶融亜鉛メッキ鋼板の製造装置およびその操業方法 |
Non-Patent Citations (1)
Title |
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See also references of EP2112238A4 |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2013175757A1 (ja) * | 2012-05-24 | 2013-11-28 | Jfeスチール株式会社 | 鋼帯の連続焼鈍炉、鋼帯の連続焼鈍方法、連続溶融亜鉛めっき設備及び溶融亜鉛めっき鋼帯の製造方法 |
WO2013175758A1 (ja) * | 2012-05-24 | 2013-11-28 | Jfeスチール株式会社 | 鋼帯の連続焼鈍炉、連続焼鈍方法、連続溶融亜鉛めっき設備及び溶融亜鉛めっき鋼帯の製造方法 |
JP2013245362A (ja) * | 2012-05-24 | 2013-12-09 | Jfe Steel Corp | 鋼帯の連続焼鈍炉、鋼帯の連続焼鈍方法、連続溶融亜鉛めっき設備及び溶融亜鉛めっき鋼帯の製造方法 |
JP2013245361A (ja) * | 2012-05-24 | 2013-12-09 | Jfe Steel Corp | 鋼帯の連続焼鈍炉、連続焼鈍方法、連続溶融亜鉛めっき設備及び溶融亜鉛めっき鋼帯の製造方法 |
US9388484B2 (en) | 2012-05-24 | 2016-07-12 | Jfe Steel Corporation | Continuous annealing furnace for annealing steel strip, method for continuously annealing steel strip, continuous hot-dip galvanizing facility, and method for manufacturing hot-dip galvanized steel strip |
US9593401B2 (en) | 2012-05-24 | 2017-03-14 | Jfe Steel Corporation | Continuous annealing furnace for steel strip, continuous annealing method, continuous galvanizing apparatus and method for manufacturing galvanized steel strip (as amended) |
US9759491B2 (en) | 2012-05-24 | 2017-09-12 | Jfe Steel Corporation | Continuous annealing furnace for annealing steel strip, method for continuously annealing steel strip, continuous hot-dip galvanizing facility, and method for manufacturing hot-dip galvanized steel strip |
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KR101128316B1 (ko) | 2012-03-23 |
CA2678110A1 (en) | 2008-08-21 |
TW200844239A (en) | 2008-11-16 |
JP5130733B2 (ja) | 2013-01-30 |
CN101611159A (zh) | 2009-12-23 |
CA2678110C (en) | 2012-05-01 |
EP2112238B1 (en) | 2016-04-13 |
EP2112238A1 (en) | 2009-10-28 |
EP2112238A4 (en) | 2014-10-08 |
KR20090102812A (ko) | 2009-09-30 |
TWI341331B (en) | 2011-05-01 |
US20100044932A1 (en) | 2010-02-25 |
JP2008196015A (ja) | 2008-08-28 |
US8097205B2 (en) | 2012-01-17 |
CN101611159B (zh) | 2011-08-10 |
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