EP4348148C0 - Zwangsluftkühlung zur kühlung von langstahlerzeugnissen - Google Patents

Zwangsluftkühlung zur kühlung von langstahlerzeugnissen

Info

Publication number
EP4348148C0
EP4348148C0 EP22725191.5A EP22725191A EP4348148C0 EP 4348148 C0 EP4348148 C0 EP 4348148C0 EP 22725191 A EP22725191 A EP 22725191A EP 4348148 C0 EP4348148 C0 EP 4348148C0
Authority
EP
European Patent Office
Prior art keywords
cooling
forced air
steel products
long steel
air cooling
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.)
Active
Application number
EP22725191.5A
Other languages
English (en)
French (fr)
Other versions
EP4348148B1 (de
EP4348148A1 (de
Inventor
Ran Yang
Jens Oestrich
Frank Steden
Dirk Winterfeldt
Olaf Koch
Hans-Peter Drügh
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.)
SMS Group GmbH
Original Assignee
SMS Group GmbH
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
Priority claimed from DE102021212523.9A external-priority patent/DE102021212523A1/de
Application filed by SMS Group GmbH filed Critical SMS Group GmbH
Publication of EP4348148A1 publication Critical patent/EP4348148A1/de
Application granted granted Critical
Publication of EP4348148B1 publication Critical patent/EP4348148B1/de
Publication of EP4348148C0 publication Critical patent/EP4348148C0/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • C21D1/673—Quenching devices for die 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
    • C21D1/56—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering characterised by the quenching agents
    • C21D1/613—Gases; Liquefied or solidified normally gaseous material
    • 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
    • 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 of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • 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
    • C21D9/0062—Heat-treating apparatus with a cooling or quenching zone
    • 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
    • C21D9/0068—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for particular articles not mentioned below
    • 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
    • C21D9/04—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for rails
    • 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
    • F27D15/00—Handling or treating discharged material; Supports or receiving chambers therefor
    • F27D15/02—Cooling
    • 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
    • B21B2045/0212—Cooling devices, e.g. using gaseous coolants using gaseous coolants
    • 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
    • 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
    • C21D2211/009—Pearlite

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)
  • General Engineering & Computer Science (AREA)
  • Heat Treatments In General, Especially Conveying And Cooling (AREA)
  • Heat Treatment Of Articles (AREA)
EP22725191.5A 2021-05-31 2022-04-22 Zwangsluftkühlung zur kühlung von langstahlerzeugnissen Active EP4348148B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102021205520 2021-05-31
DE102021212523.9A DE102021212523A1 (de) 2021-05-31 2021-11-08 Forcierte Luftkühlung zur Kühlung von Langstahlerzeugnissen
PCT/EP2022/060726 WO2022253489A1 (de) 2021-05-31 2022-04-22 Forcierte luftkühlung zur kühlung von langstahlerzeugnissen

Publications (3)

Publication Number Publication Date
EP4348148A1 EP4348148A1 (de) 2024-04-10
EP4348148B1 EP4348148B1 (de) 2026-01-14
EP4348148C0 true EP4348148C0 (de) 2026-01-14

Family

ID=81841972

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22725191.5A Active EP4348148B1 (de) 2021-05-31 2022-04-22 Zwangsluftkühlung zur kühlung von langstahlerzeugnissen

Country Status (5)

Country Link
US (1) US20240254580A1 (de)
EP (1) EP4348148B1 (de)
JP (1) JP7770425B2 (de)
KR (1) KR20230170028A (de)
WO (1) WO2022253489A1 (de)

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3007752C2 (de) * 1980-02-29 1981-11-12 Lindauer Dornier Gmbh, 8990 Lindau Anordnung zur Beaufschlagung von Warenbahnen
US4398700A (en) * 1982-09-29 1983-08-16 Midland-Ross Corporation Annealing furnace with an improved cooling section
EP0186373B1 (de) 1984-12-24 1990-09-12 Nippon Steel Corporation Verfahren und Vorrichtung zum Wärmebehandeln von Schienen
AT384624B (de) * 1986-05-22 1987-12-10 Voest Alpine Ag Einrichtung zur gesteuerten waermebehandlung von weichenteilen
US4779357A (en) * 1986-08-01 1988-10-25 Lindauer Dornier Gesellschaft Mbh Apparatus for blowing a treatment medium onto a longitudinally moving web
US5183519A (en) * 1987-03-19 1993-02-02 Chemetron-Railway Products, Inc. Method for quenching railway rail heads
DE10137596A1 (de) 2001-08-01 2003-02-13 Sms Demag Ag Verfahren zur Kühlung von Werkstücken, insbesondere von Profilwalzprodukten, aus Schienenstählen
KR101244110B1 (ko) * 2005-08-01 2013-03-18 에브너 인두스트리오펜바우 게엠베하 금속 스트립 냉각장치
JP4384695B2 (ja) * 2008-02-27 2009-12-16 新日本製鐵株式会社 圧延鋼材の冷却方法
ITMI20111092A1 (it) * 2011-06-17 2012-12-18 Eagle Tech S R L Cappa perfezionata per il raffreddamento controllato di profili estrusi di alluminio o di altri metalli in uscita dalla linea di estrusione.
CN103060735A (zh) * 2012-12-22 2013-04-24 重庆海纽冶金研究院有限公司 钢带热浸镀锌用节能型气刀
JP2014189879A (ja) * 2013-03-28 2014-10-06 Jfe Steel Corp レールの冷却方法
EA027490B1 (ru) * 2013-04-17 2017-07-31 Общество С Ограниченной Ответственностью Научно-Производственное Предприятие "Томская Электронная Компания" Устройство для термической обработки рельсов
CN203269984U (zh) * 2013-05-14 2013-11-06 武汉钢铁(集团)公司 重轨轨头淬火喷淋装置

Also Published As

Publication number Publication date
JP2024522320A (ja) 2024-06-17
KR20230170028A (ko) 2023-12-18
US20240254580A1 (en) 2024-08-01
JP7770425B2 (ja) 2025-11-14
WO2022253489A1 (de) 2022-12-08
EP4348148B1 (de) 2026-01-14
EP4348148A1 (de) 2024-04-10

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