EP1325163A1 - Dual-purpose installation for continuous annealing and hot dip plating - Google Patents
Dual-purpose installation for continuous annealing and hot dip platingInfo
- Publication number
- EP1325163A1 EP1325163A1 EP01965631A EP01965631A EP1325163A1 EP 1325163 A1 EP1325163 A1 EP 1325163A1 EP 01965631 A EP01965631 A EP 01965631A EP 01965631 A EP01965631 A EP 01965631A EP 1325163 A1 EP1325163 A1 EP 1325163A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- facility
- continuous annealing
- steel sheet
- hot dip
- dual
- 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
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
- 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
- C21D9/561—Continuous furnaces for strip or wire with a controlled atmosphere or vacuum
-
- 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
- C21D9/562—Details
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/34—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the shape of the material to be treated
- C23C2/36—Elongated material
- C23C2/40—Plates; 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
Definitions
- the present invention relates to a dual-purpose installation for continuous annealing and hot dip plating to produce a continuously annealed steel sheet as well as a hot dip plated steel sheet by switching process routes in the single installation.
- Japanese Unexamined Patent Publication No. S55-6469 discloses a dual-purpose installation used for a hot dip plating line and a continuous annealing line, wherein a steel sheet coming out from a continuous annealing furnace is cooled in the normal atmosphere without being dipped into a plating pot when producing a continuously annealed steel sheet.
- a steel sheet just coming out from a continuous annealing furnace has a high temperature, there is a problem in that the surfaces of the steel sheet will become oxidized if no countermeasures are taken.
- An idea has been proposed of installing a pickling apparatus for removing the oxide films on the surfaces. However, this requires additional equipment investment, the necessity of newly installing a waste liquor treatment facility and increased operational loads .
- Japanese Patent Application No. Hll-5298 discloses an apparatus to sufficiently lower the temperature of a steel sheet at the exit from a continuous annealing furnace so as to prevent the steel sheet from oxidizing when it comes out from the continuous annealing furnace and is exposed to the outside atmosphere.
- cooling a steel sheet to a temperature where it does not become oxidized when exposed to the normal atmosphere requires a larger cooling apparatus in the continuous annealing furnace and resultant increased equipment investment.
- the present invention proposes measures to solve the above problems and make a dual-purpose installation for continuous annealing and hot dip plating or hot dip galvanizing to produce a steel sheet without incurring a large increase in equipment costs.
- the gist of the present invention to solve the above problems is as follows: (1) A dual-purpose installation for continuous annealing and hot dip plating wherein at least a continuous annealing furnace, a coating pot, a coating facility and a water quenching facility are arranged in the form of a processing line along the travelling direction of a steel sheet, characterized by having a bypass facility enabling a steel sheet to be led from the continuous annealing furnace directly to the water quenching facility without being exposed to the outside atmosphere and the interior of the bypass facility being kept filled with a non-oxidizing atmosphere.
- a dual-purpose installation for continuous annealing and hot dip plating characterized by having an alloying furnace, a steel sheet cooling unit, or both of them proceeding to a coating pot and a coating facility and being equipped with the bypass facility according to the item ( 1 ) .
- a dual-purpose installation for continuous annealing and hot dip plating according to the item (1) or (2), enabling the coating facility and the equipment in the coating pot to be transported and repaired and the production efficiency to be improved by installing the coating pot, the coating facility and a crane beneath the bypass facility.
- Fig. 1 is a schematic illustration showing a dual- purpose installation for continuous annealing and hot dip plating to which the present invention is applied.
- Fig. 1 is a schematic illustration of the annealing furnace portion of a dual-purpose installation for continuous annealing and hot dip plating or hot dip galvanizing to which the present invention is applied.
- a steel sheet 1 is annealed in a continuous annealing furnace 2.
- the steel sheet 1 is fed to a coating pot 3 and plated after going through the continuous annealing furnace 2 as shown by dotted lines.
- the coating weight is controlled by a coating facility 4
- the steel sheet is subjected to alloying treatment in an alloying furnace 5, as required, cooled by steel sheet cooling units 6, and then cooled further to near room temperature in a water quenching facility 7.
- the above sequence of process steps is exactly the same as the normal process sequence for producing a hot dip plated or hot dip galvanized product.
- the steel sheet 1 When producing a continuously annealed steel sheet, the steel sheet 1 has to be cooled to near room temperature by the water quenching facility 7, without going through the coating pot 3, the coating facility 4, the alloying furnace 5 and the cooling units 6. However, if the steel sheet 1 is exposed to the outside atmosphere after going through the continuous annealing furnace 2, the surfaces of the steel sheet become oxidized. To avoid oxidization, a bypass facility 8 is installed in the present invention so that the steel sheet can travel from the continuous annealing furnace 2 directly to the water quenching facility 7 without being exposed to the outside atmosphere.
- the steel sheet 1 can be transferred to the water quenching facility 7 and cooled without being oxidized. Further, by installing the coating pot 3, the coating facility 4 and a crane 9 beneath the bypass facility 8, it becomes possible to transport and repair the coating pot, the coating facility or the equipment in the coating pot during the production of a continuously annealed product, thus enhancing production efficiency.
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Coating With Molten Metal (AREA)
- Heat Treatment Of Strip Materials And Filament Materials (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2000278566A JP2002088414A (en) | 2000-09-13 | 2000-09-13 | Facility used for both of continuous annealing and hot dip metal coating |
JP2000278566 | 2000-09-13 | ||
PCT/JP2001/007969 WO2002022894A1 (en) | 2000-09-13 | 2001-09-13 | Dual-purpose installation for continuous annealing and hot dip plating |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1325163A1 true EP1325163A1 (en) | 2003-07-09 |
EP1325163A4 EP1325163A4 (en) | 2005-02-16 |
EP1325163B1 EP1325163B1 (en) | 2008-05-07 |
Family
ID=18763710
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01965631A Expired - Lifetime EP1325163B1 (en) | 2000-09-13 | 2001-09-13 | Dual-purpose installation for continuous annealing and hot dip plating |
Country Status (12)
Country | Link |
---|---|
US (1) | US20030189276A1 (en) |
EP (1) | EP1325163B1 (en) |
JP (1) | JP2002088414A (en) |
KR (1) | KR20030027107A (en) |
CN (1) | CN100357461C (en) |
AU (2) | AU8623401A (en) |
BR (1) | BR0113848B1 (en) |
CA (1) | CA2421925A1 (en) |
DE (1) | DE60133912D1 (en) |
RU (1) | RU2255138C2 (en) |
TW (1) | TW565620B (en) |
WO (1) | WO2002022894A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR3095452A1 (en) | 2019-04-29 | 2020-10-30 | Fives Stein | Dual Purpose Metal Strip Continuous Processing Line |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5058769B2 (en) * | 2007-01-09 | 2012-10-24 | 新日本製鐵株式会社 | Manufacturing method and manufacturing equipment for high strength cold-rolled steel sheet excellent in chemical conversion processability |
KR101324899B1 (en) * | 2009-10-01 | 2013-11-04 | 신닛테츠스미킨 카부시키카이샤 | Facility used for both continuous hot-dip coating and continuous annealing |
BR112015032429A2 (en) * | 2013-06-26 | 2017-07-25 | Jfe Steel Corp | combined treatment equipment for hot dip galvanizing of steel sheets and continuous annealing |
JP6450109B2 (en) | 2014-08-11 | 2019-01-09 | Jfeスチール株式会社 | Steel strip manufacturing equipment |
JP6451138B2 (en) * | 2014-08-11 | 2019-01-16 | Jfeスチール株式会社 | Steel strip manufacturing method |
EP3403736A1 (en) * | 2017-05-17 | 2018-11-21 | Primetals Technologies Austria GmbH | Guidance of metallic strips in a strip processing system |
RU2769680C2 (en) * | 2019-06-13 | 2022-04-05 | Сергей Александрович Ненашев | Device for manufacturing steel tape |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2093486A (en) * | 1981-02-24 | 1982-09-02 | Kloeckner Werke Ag | Plant for the continuous treatment of thin plate or strip |
EP0072874A1 (en) * | 1981-08-25 | 1983-03-02 | Nippon Steel Corporation | Dual-purpose plant for producing cold rolled steel sheet and hot-dip galvanized steel sheet |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS53132437A (en) * | 1977-04-26 | 1978-11-18 | Nippon Steel Corp | Continuous treatment facilities for cold rolled steel band |
US4408561A (en) * | 1981-08-24 | 1983-10-11 | Nippon Steel Corporation | Dual-purpose plant for producing cold rolled steel sheet and hot-dip galvanized steel sheet |
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 |
JP2619550B2 (en) * | 1990-03-20 | 1997-06-11 | 川崎製鉄株式会社 | Manufacturing method of galvannealed steel sheet |
US5403468A (en) * | 1991-03-13 | 1995-04-04 | Kawasaki Steel Corporation | Process for the manufacture of tinplate using a fused tin chloride electroplating bath |
-
2000
- 2000-09-13 JP JP2000278566A patent/JP2002088414A/en active Pending
-
2001
- 2001-09-12 TW TW090122602A patent/TW565620B/en not_active IP Right Cessation
- 2001-09-13 WO PCT/JP2001/007969 patent/WO2002022894A1/en active Search and Examination
- 2001-09-13 EP EP01965631A patent/EP1325163B1/en not_active Expired - Lifetime
- 2001-09-13 BR BRPI0113848-0A patent/BR0113848B1/en not_active IP Right Cessation
- 2001-09-13 AU AU8623401A patent/AU8623401A/en active Pending
- 2001-09-13 DE DE60133912T patent/DE60133912D1/en not_active Expired - Lifetime
- 2001-09-13 CA CA002421925A patent/CA2421925A1/en not_active Abandoned
- 2001-09-13 AU AU2001286234A patent/AU2001286234B2/en not_active Ceased
- 2001-09-13 CN CNB018153313A patent/CN100357461C/en not_active Expired - Fee Related
- 2001-09-13 US US10/380,609 patent/US20030189276A1/en not_active Abandoned
- 2001-09-13 RU RU2003106806/02A patent/RU2255138C2/en not_active IP Right Cessation
- 2001-09-13 KR KR10-2003-7003140A patent/KR20030027107A/en active Search and Examination
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2093486A (en) * | 1981-02-24 | 1982-09-02 | Kloeckner Werke Ag | Plant for the continuous treatment of thin plate or strip |
EP0072874A1 (en) * | 1981-08-25 | 1983-03-02 | Nippon Steel Corporation | Dual-purpose plant for producing cold rolled steel sheet and hot-dip galvanized steel sheet |
Non-Patent Citations (1)
Title |
---|
See also references of WO0222894A1 * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
Also Published As
Publication number | Publication date |
---|---|
AU2001286234B2 (en) | 2005-06-16 |
EP1325163B1 (en) | 2008-05-07 |
BR0113848B1 (en) | 2011-07-12 |
WO2002022894A1 (en) | 2002-03-21 |
RU2255138C2 (en) | 2005-06-27 |
EP1325163A4 (en) | 2005-02-16 |
TW565620B (en) | 2003-12-11 |
CN100357461C (en) | 2007-12-26 |
CN1452667A (en) | 2003-10-29 |
AU8623401A (en) | 2002-03-26 |
US20030189276A1 (en) | 2003-10-09 |
KR20030027107A (en) | 2003-04-03 |
BR0113848A (en) | 2003-06-03 |
DE60133912D1 (en) | 2008-06-19 |
CA2421925A1 (en) | 2002-03-21 |
JP2002088414A (en) | 2002-03-27 |
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Legal Events
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Inventor name: HOSHINO, MASANORINIPPON STEEL CORPORATION Inventor name: TAKEMURA, MOTOFUMINIPPON STEEL CORPORATION Inventor name: OKADA, NOBUYOSHI,C/O NIPPON STEEL CORPORATION Inventor name: TERAHARA, KOUICHINIPPON STEEL CORPORATION |
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