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FR2824077B1 - Procede pour ameliorer la qualite metallurgique de produits traites dans un four - Google Patents

Procede pour ameliorer la qualite metallurgique de produits traites dans un four

Info

Publication number
FR2824077B1
FR2824077B1 FR0105633A FR0105633A FR2824077B1 FR 2824077 B1 FR2824077 B1 FR 2824077B1 FR 0105633 A FR0105633 A FR 0105633A FR 0105633 A FR0105633 A FR 0105633A FR 2824077 B1 FR2824077 B1 FR 2824077B1
Authority
FR
France
Prior art keywords
oven
improving
products processed
metallurgical quality
metallurgical
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.)
Expired - Fee Related
Application number
FR0105633A
Other languages
English (en)
Other versions
FR2824077A1 (fr
Inventor
Macal Savine Bockel
Olivier Delabroy
Olivier Louedin
Christel Champinot
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.)
Air Liquide SA
LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude
Original Assignee
Air Liquide SA
LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude
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 to FR0105633A priority Critical patent/FR2824077B1/fr
Application filed by Air Liquide SA, LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude filed Critical Air Liquide SA
Priority to EP02735468A priority patent/EP1386012B1/fr
Priority to PCT/FR2002/001361 priority patent/WO2002088402A1/fr
Priority to CNA028089723A priority patent/CN1505687A/zh
Priority to CA2444399A priority patent/CA2444399C/fr
Priority to AT02735468T priority patent/ATE291101T1/de
Priority to ES02735468T priority patent/ES2240752T3/es
Priority to US10/475,149 priority patent/US6955730B2/en
Priority to DE60203280T priority patent/DE60203280T2/de
Publication of FR2824077A1 publication Critical patent/FR2824077A1/fr
Application granted granted Critical
Publication of FR2824077B1 publication Critical patent/FR2824077B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
    • F27B9/30—Details, accessories or equipment specially adapted for furnaces of these types
    • F27B9/40—Arrangements of controlling or monitoring devices
    • 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
    • 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
    • C21D1/52—Methods of heating with flames
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
    • F27B9/30—Details, accessories or equipment specially adapted for furnaces of these types
    • F27B9/36—Arrangements of heating devices
    • 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
    • C21D1/74—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material
    • C21D1/76—Adjusting the composition of the atmosphere
    • 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
    • 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
    • C21D9/0081—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for slabs; for billets

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
FR0105633A 2001-04-26 2001-04-26 Procede pour ameliorer la qualite metallurgique de produits traites dans un four Expired - Fee Related FR2824077B1 (fr)

Priority Applications (9)

Application Number Priority Date Filing Date Title
FR0105633A FR2824077B1 (fr) 2001-04-26 2001-04-26 Procede pour ameliorer la qualite metallurgique de produits traites dans un four
PCT/FR2002/001361 WO2002088402A1 (fr) 2001-04-26 2002-04-19 Procede pour ameliorer la qualite metallurgique de produits traites dans un four
CNA028089723A CN1505687A (zh) 2001-04-26 2002-04-19 增强在炉中处理的产品的冶金质量的方法
CA2444399A CA2444399C (fr) 2001-04-26 2002-04-19 Procede pour ameliorer la qualite metallurgique de produits traites dans un four
EP02735468A EP1386012B1 (fr) 2001-04-26 2002-04-19 Procede pour ameliorer la qualite metallurgique de produits traites dans un four
AT02735468T ATE291101T1 (de) 2001-04-26 2002-04-19 Verfahren zum verbessern der metallurgischen eigenschaften von im ofen behandelten produkten
ES02735468T ES2240752T3 (es) 2001-04-26 2002-04-19 Procedimiento para mejorar la calidad metalurgica de productos tratados en un horno.
US10/475,149 US6955730B2 (en) 2001-04-26 2002-04-19 Method for enhancing the metallurigcal quality of products treated in a furnace
DE60203280T DE60203280T2 (de) 2001-04-26 2002-04-19 Verfahren zum verbessern der metallurgischen eigenschaften von im ofen behandelten produkten

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0105633A FR2824077B1 (fr) 2001-04-26 2001-04-26 Procede pour ameliorer la qualite metallurgique de produits traites dans un four

Publications (2)

Publication Number Publication Date
FR2824077A1 FR2824077A1 (fr) 2002-10-31
FR2824077B1 true FR2824077B1 (fr) 2004-10-22

Family

ID=8862726

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0105633A Expired - Fee Related FR2824077B1 (fr) 2001-04-26 2001-04-26 Procede pour ameliorer la qualite metallurgique de produits traites dans un four

Country Status (1)

Country Link
FR (1) FR2824077B1 (fr)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2174657A1 (en) * 1972-03-06 1973-10-19 Ferodo Sa Chlutchplate heat treatment - accelerated by heating to alpha iron to austenite change point
US4357135A (en) * 1981-06-05 1982-11-02 North American Mfg. Company Method and system for controlling multi-zone reheating furnaces
TW265286B (fr) * 1993-06-23 1995-12-11 Gas Res Inst
IT1281420B1 (it) * 1995-09-13 1998-02-18 Danieli Off Mecc Procedimento di equalizzazione in un forno di riscaldo con ambiente ad ossidazione controllata e forno di riscaldo
FR2794132B1 (fr) * 1999-05-27 2001-08-10 Stein Heurtey Perfectionnements apportes aux fours de rechauffage de produits siderurgiques

Also Published As

Publication number Publication date
FR2824077A1 (fr) 2002-10-31

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20151231