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 PDF

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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
Application number
EP18891282.8A
Other languages
German (de)
French (fr)
Other versions
EP3730633A1 (en
Inventor
Satoshi Ueoka
Yuta Tamura
Yusuke Nojima
Taiki Miyano
Ken Miura
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
JFE Steel Corp
Original Assignee
JFE Steel Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by JFE Steel Corp filed Critical JFE Steel Corp
Publication of EP3730633A1 publication Critical patent/EP3730633A1/en
Publication of EP3730633A4 publication Critical patent/EP3730633A4/en
Pending legal-status Critical Current

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
    • 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
    • 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
    • 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
    • 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)
EP18891282.8A 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 Pending EP3730633A4 (en)

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) CN111492071A (en)
WO (1) WO2019124241A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4066956A4 (en) * 2019-11-25 2023-01-11 JFE Steel Corporation Manufacturing equipment and manufacturing method for steel plate
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

Citations (5)

* Cited by examiner, † Cited by third party
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 (9)

* Cited by examiner, † Cited by third party
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
JPS642718A (en) * 1987-06-26 1989-01-06 Nippon Steel Corp Cooling method for thick steel plate
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

Patent Citations (5)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
Title
See also references of WO2019124241A1 *

Also Published As

Publication number Publication date
EP3730633A1 (en) 2020-10-28
CN111492071A (en) 2020-08-04
WO2019124241A1 (en) 2019-06-27
KR102430390B1 (en) 2022-08-05
JPWO2019124241A1 (en) 2019-12-19
JP6569843B1 (en) 2019-09-04
KR20200085880A (en) 2020-07-15
CN115156314A (en) 2022-10-11

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