EP3730633A4 - Cooling device and cooling method for thick steel sheet, and production equipment and production method for thick steel sheet - Google Patents
Cooling device and cooling method for thick steel sheet, and production equipment and production method for thick steel sheet Download PDFInfo
- Publication number
- EP3730633A4 EP3730633A4 EP18891282.8A EP18891282A EP3730633A4 EP 3730633 A4 EP3730633 A4 EP 3730633A4 EP 18891282 A EP18891282 A EP 18891282A EP 3730633 A4 EP3730633 A4 EP 3730633A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- steel sheet
- thick steel
- cooling
- production
- cooling device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 229910000831 Steel Inorganic materials 0.000 title 2
- 238000001816 cooling Methods 0.000 title 2
- 238000004519 manufacturing process Methods 0.000 title 2
- 239000010959 steel Substances 0.000 title 2
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B45/02—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for lubricating, cooling, or cleaning
- B21B45/0203—Cooling
- B21B45/0209—Cooling devices, e.g. using gaseous coolants
- B21B45/0215—Cooling devices, e.g. using gaseous coolants using liquid coolants, e.g. for sections, for tubes
- B21B45/0233—Spray nozzles, Nozzle headers; Spray systems
-
- 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
- C21D1/62—Quenching devices
- C21D1/667—Quenching devices for spray quenching
-
- 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
- C21D1/18—Hardening; Quenching with or without subsequent tempering
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/38—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling sheets of limited length, e.g. folded sheets, superimposed sheets, pack rolling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B45/02—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for lubricating, cooling, or cleaning
-
- 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
- C21D1/56—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering characterised by the quenching agents
- C21D1/60—Aqueous agents
-
- 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
- C21D11/00—Process control or regulation for heat treatments
- C21D11/005—Process control or regulation for heat treatments for 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
- 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
- C21D8/0247—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment
- C21D8/0263—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment following hot rolling
-
- 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
- C21D9/46—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals
-
- 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
- C21D9/5735—Details
- C21D9/5737—Rolls; Drums; Roll arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B9/00—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour
- B05B9/03—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material
- B05B9/035—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material to several spraying apparatus
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/38—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling sheets of limited length, e.g. folded sheets, superimposed sheets, pack rolling
- B21B2001/386—Plates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
- B21B37/74—Temperature control, e.g. by cooling or heating the rolls or the product
- B21B37/76—Cooling control on the run-out table
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B45/02—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for lubricating, cooling, or cleaning
- B21B45/0203—Cooling
- B21B45/0209—Cooling devices, e.g. using gaseous coolants
- B21B45/0215—Cooling devices, e.g. using gaseous coolants using liquid coolants, e.g. for sections, for tubes
- B21B45/0218—Cooling devices, e.g. using gaseous coolants using liquid coolants, e.g. for sections, for tubes for strips, sheets, or plates
-
- 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
- C21D2211/00—Microstructure comprising significant phases
- C21D2211/002—Bainite
-
- 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
- C21D2211/00—Microstructure comprising significant phases
- C21D2211/005—Ferrite
-
- 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
- C21D2211/00—Microstructure comprising significant phases
- C21D2211/008—Martensite
Landscapes
- 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)
- Heat Treatments In General, Especially Conveying And Cooling (AREA)
- Heat Treatment Of Strip Materials And Filament Materials (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017243319 | 2017-12-20 | ||
PCT/JP2018/046067 WO2019124241A1 (en) | 2017-12-20 | 2018-12-14 | Cooling device and cooling method for thick steel sheet, and production equipment and production method for thick steel sheet |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3730633A1 EP3730633A1 (en) | 2020-10-28 |
EP3730633A4 true EP3730633A4 (en) | 2020-12-02 |
Family
ID=66994112
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP18891282.8A Pending EP3730633A4 (en) | 2017-12-20 | 2018-12-14 | Cooling device and cooling method for thick steel sheet, and production equipment and production method for thick steel sheet |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP3730633A4 (en) |
JP (1) | JP6569843B1 (en) |
KR (1) | KR102430390B1 (en) |
CN (2) | CN115156314A (en) |
WO (1) | WO2019124241A1 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR102685815B1 (en) * | 2019-11-25 | 2024-07-16 | 제이에프이 스틸 가부시키가이샤 | Steel plate manufacturing equipment and manufacturing method |
CN114592112B (en) * | 2022-02-25 | 2023-03-17 | 东北大学 | Flexible cooling device for tempered steel plate |
CN114635017B (en) * | 2022-05-19 | 2022-09-06 | 北京煜鼎增材制造研究院有限公司 | Spray type heat treatment device and heat treatment method for large metal component |
CN115228929B (en) * | 2022-07-29 | 2024-09-13 | 广西广盛新材料科技有限公司 | Temperature control method and device for strip steel production, terminal equipment and storage medium |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5337510A (en) * | 1976-09-20 | 1978-04-06 | Ishikawajima Harima Heavy Ind Co Ltd | Steel sheet cooling equipment |
JPH10291018A (en) * | 1997-04-17 | 1998-11-04 | Nkk Corp | Method for cooling high-temperature steel sheet and device for cooling high-temperature steel sheet |
US20100219565A1 (en) * | 2007-07-30 | 2010-09-02 | Ryuji Yamamoto | Cooling Apparatus of Hot Steel Plate, Cooling Method of Hot Steel Plate, and Program |
JP2011167759A (en) * | 2009-03-30 | 2011-09-01 | Jfe Steel Corp | Device for cooling hot-rolled steel sheet |
US20150321234A1 (en) * | 2012-12-25 | 2015-11-12 | Jet Steel Corporation | Method and apparatus for cooling hot-rolled steel strip (as amended) |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4148673A (en) * | 1972-02-29 | 1979-04-10 | United States Steel Corporation | Plate quenching method |
JPS5947010A (en) * | 1982-09-11 | 1984-03-16 | Kobe Steel Ltd | Device for cooling lower surface of steel plate |
JPS62130222A (en) * | 1985-12-03 | 1987-06-12 | Nippon Steel Corp | Method and apparatus for cooling hot steel sheet |
JP3867073B2 (en) * | 2003-10-17 | 2007-01-10 | 新日本製鐵株式会社 | Cooling apparatus and cooling method for hot rolled steel sheet |
JP4047893B2 (en) * | 2006-05-08 | 2008-02-13 | 新日本製鐵株式会社 | Hot steel plate cooling device, hot steel plate cooling method and program |
KR100694559B1 (en) * | 2006-07-21 | 2007-03-14 | 진성중공업 주식회사 | The processing apparatus using inducting heating of the part in the steel plate and a method thereof |
CN103849734B (en) * | 2012-12-06 | 2015-08-26 | 宝山钢铁股份有限公司 | Based on quenching device flow control methods and the Detection & Controling device thereof of plate shape |
CN103834792B (en) * | 2014-03-26 | 2015-12-30 | 东北大学 | A kind of steel plate continuous roll type quenching process |
-
2018
- 2018-12-14 JP JP2019520653A patent/JP6569843B1/en active Active
- 2018-12-14 WO PCT/JP2018/046067 patent/WO2019124241A1/en unknown
- 2018-12-14 KR KR1020207017647A patent/KR102430390B1/en active IP Right Grant
- 2018-12-14 CN CN202210684880.3A patent/CN115156314A/en active Pending
- 2018-12-14 CN CN201880081519.3A patent/CN111492071A/en active Pending
- 2018-12-14 EP EP18891282.8A patent/EP3730633A4/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5337510A (en) * | 1976-09-20 | 1978-04-06 | Ishikawajima Harima Heavy Ind Co Ltd | Steel sheet cooling equipment |
JPH10291018A (en) * | 1997-04-17 | 1998-11-04 | Nkk Corp | Method for cooling high-temperature steel sheet and device for cooling high-temperature steel sheet |
US20100219565A1 (en) * | 2007-07-30 | 2010-09-02 | Ryuji Yamamoto | Cooling Apparatus of Hot Steel Plate, Cooling Method of Hot Steel Plate, and Program |
JP2011167759A (en) * | 2009-03-30 | 2011-09-01 | Jfe Steel Corp | Device for cooling hot-rolled steel sheet |
US20150321234A1 (en) * | 2012-12-25 | 2015-11-12 | Jet Steel Corporation | Method and apparatus for cooling hot-rolled steel strip (as amended) |
Non-Patent Citations (1)
Title |
---|
See also references of WO2019124241A1 * |
Also Published As
Publication number | Publication date |
---|---|
JPWO2019124241A1 (en) | 2019-12-19 |
WO2019124241A1 (en) | 2019-06-27 |
JP6569843B1 (en) | 2019-09-04 |
KR20200085880A (en) | 2020-07-15 |
KR102430390B1 (en) | 2022-08-05 |
EP3730633A1 (en) | 2020-10-28 |
CN115156314A (en) | 2022-10-11 |
CN111492071A (en) | 2020-08-04 |
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Legal Events
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STAA | Information on the status of an ep patent application or granted ep patent |
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PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
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STAA | Information on the status of an ep patent application or granted ep patent |
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Effective date: 20200520 |
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Extension state: BA ME |
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A4 | Supplementary search report drawn up and despatched |
Effective date: 20201102 |
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RIC1 | Information provided on ipc code assigned before grant |
Ipc: C21D 1/667 20060101ALI20201027BHEP Ipc: C21D 1/00 20060101AFI20201027BHEP Ipc: C21D 9/46 20060101ALI20201027BHEP Ipc: B21B 1/38 20060101ALI20201027BHEP Ipc: C21D 1/18 20060101ALI20201027BHEP Ipc: B21B 37/76 20060101ALI20201027BHEP Ipc: C21D 1/60 20060101ALI20201027BHEP Ipc: C21D 9/573 20060101ALI20201027BHEP Ipc: C21D 8/02 20060101ALI20201027BHEP Ipc: C21D 11/00 20060101ALI20201027BHEP Ipc: B21B 45/02 20060101ALI20201027BHEP |
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DAV | Request for validation of the european patent (deleted) | ||
DAX | Request for extension of the european patent (deleted) | ||
STAA | Information on the status of an ep patent application or granted ep patent |
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17Q | First examination report despatched |
Effective date: 20230804 |