EP2135961A3 - Verfahren und Einrichtung zur Wärmebehandlung von metallischen Werkstoffen unter Schutzgasatmosphäre - Google Patents

Verfahren und Einrichtung zur Wärmebehandlung von metallischen Werkstoffen unter Schutzgasatmosphäre Download PDF

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Publication number
EP2135961A3
EP2135961A3 EP20090007348 EP09007348A EP2135961A3 EP 2135961 A3 EP2135961 A3 EP 2135961A3 EP 20090007348 EP20090007348 EP 20090007348 EP 09007348 A EP09007348 A EP 09007348A EP 2135961 A3 EP2135961 A3 EP 2135961A3
Authority
EP
European Patent Office
Prior art keywords
gas
heat treating
metallic materials
protective atmosphere
carbon dioxide
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
Application number
EP20090007348
Other languages
English (en)
French (fr)
Other versions
EP2135961B1 (de
EP2135961A2 (de
Inventor
Bernd Dr. Edenhofer
Hendrik Grobler
Peter Haase
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.)
Ipsen International GmbH
Original Assignee
Ipsen International 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
Application filed by Ipsen International GmbH filed Critical Ipsen International GmbH
Priority to PL09007348T priority Critical patent/PL2135961T3/pl
Publication of EP2135961A2 publication Critical patent/EP2135961A2/de
Publication of EP2135961A3 publication Critical patent/EP2135961A3/de
Application granted granted Critical
Publication of EP2135961B1 publication Critical patent/EP2135961B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C8/06—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases
    • C23C8/08—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases only one element being applied
    • C23C8/20—Carburising
    • 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
    • C21D1/763—Adjusting the composition of the atmosphere using a catalyst
    • 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
    • C21D1/773—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material under reduced pressure 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
    • C21D11/00—Process control or regulation for heat treatments

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
  • Furnace Details (AREA)
  • Catalysts (AREA)
  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)

Abstract

Die Erfindung umfaßt ein Schutzgasrezirkulationssystem mit Verfahren und Einrichtung für die Gasaufkohlung von Werkstoffen in einem Industrieofen (1), in dem die Komponenten Kohlenstoffdioxid, Sauerstoff und Wasserdampf mit zugeführtem Reaktionsgas zu Kohlenstoffmonoxid und Wasserstoff katalytisch reagieren, um bereits "verbrauchtes" Schutzgas als in einem Aufbereitungsraum (3) "aufbereitetes" Schutzgas dann wieder an einer oder mehreren Stellen (2.2) in einen Behandlungsraum (2.1) einzuspeisen, so dass sich ein realer Kreisprozess einstellt und die Gasaufkohlung kontinuierlich unter Einsparung an Schutzgas ablaufen kann (Fig.).
EP20090007348 2008-06-20 2009-06-03 Verfahren und Einrichtung zur Wärmebehandlung von metallischen Werkstoffen unter Schutzgasatmosphäre Active EP2135961B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL09007348T PL2135961T3 (pl) 2008-06-20 2009-06-03 Sposób i urządzenie do obróbki cieplnej materiałów metalowych w atmosferze gazu ochronnego

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200810029001 DE102008029001B3 (de) 2008-06-20 2008-06-20 Verfahren und Einrichtung zur Wärmebehandlung von metallischen Werkstoffen

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
DE102008029001 Previously-Filed-Application 2009-06-03

Publications (3)

Publication Number Publication Date
EP2135961A2 EP2135961A2 (de) 2009-12-23
EP2135961A3 true EP2135961A3 (de) 2013-02-13
EP2135961B1 EP2135961B1 (de) 2014-10-01

Family

ID=40953332

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20090007348 Active EP2135961B1 (de) 2008-06-20 2009-06-03 Verfahren und Einrichtung zur Wärmebehandlung von metallischen Werkstoffen unter Schutzgasatmosphäre

Country Status (7)

Country Link
US (1) US8313586B2 (de)
EP (1) EP2135961B1 (de)
JP (1) JP2010001567A (de)
CN (1) CN101608294B (de)
DE (1) DE102008029001B3 (de)
PL (1) PL2135961T3 (de)
RU (1) RU2009123209A (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009014665A1 (de) 2009-03-27 2010-09-30 Ipsen International Gmbh Arbeitsverfahren und Vorrichtung zum Be-und Entladen für einem Industrieofen wie Wärmebehandlungsofen zur Wärmebehandlung von metallischen Werkstoffen
DE102009038598B4 (de) 2009-08-26 2017-06-22 Ipsen International Gmbh Verfahren und Vorrichtung zur Aufbereitung von Prozessgasen für Wärmebehandlungen von metallischen Werkstoffen/Werkstücken in Industrieöfen
PL2336372T3 (pl) * 2009-12-16 2016-09-30 Sposób i urządzenie do kontrolowania gazów procesowych do obróbki cieplnej materiałów/półproduktów metalowych w piecach przemysłowych
DE102009058642A1 (de) * 2009-12-16 2011-06-22 Ipsen International GmbH, 47533 Verfahren und Einrichtung zur Regelung von Prozessgasen für Wärmebehandlungen von metallischen Werkstoffen/Werkstücken in Industrieöfen
JP2012087384A (ja) * 2010-10-21 2012-05-10 Ipsen Co Ltd 工業炉における金属材料／金属ワークピースの熱処理用のプロセスガスを調整する方法および装置
DE102012019653A1 (de) * 2012-10-08 2014-04-10 Ipsen International Gmbh Gasdichter schutzgasbegaster Industrieofen, insbesondere Kammerofen, Durchstoßofen, Drehherdofen oder Ringherdofen
US20170074589A1 (en) 2015-09-11 2017-03-16 Ipsen Inc. System and Method for Facilitating the Maintenance of an Industrial Furnace
DE102015117683B3 (de) 2015-10-16 2016-09-29 Wienstroth Wärmebehandlungstechnik GmbH Verfahren und Vorrichtung zur Erzeugung und Behandlung von Schutz- und/oder Reaktionsgasen zur Wärmebehandlung von Metallen
CN109539805A (zh) * 2018-11-01 2019-03-29 南京工程学院 一种冲天炉烟气的处理方法
JP7438645B2 (ja) 2022-02-03 2024-02-27 ダイハツ工業株式会社 浸炭システム、および、金属部品の製造方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2181597A1 (en) * 1972-04-27 1973-12-07 Stein Surface Continuous heat treatment furnaces - with recycled furnace gases
EP0465226A1 (de) * 1990-07-03 1992-01-08 Dowa Mining Co., Ltd. Verfahren und Anlage zur Gasaufkohlung
DE4427507C1 (de) * 1994-08-03 1995-06-01 Linde Ag Verfahren zur Wärmebehandlung, insbesondere Aufkohlung, metallischer Werkstücke

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US3252694A (en) * 1963-05-09 1966-05-24 Leeds & Northrup Co Metal treating system
US3620518A (en) * 1967-03-23 1971-11-16 Degussa Process and device for the treatment of surfaces of workpieces in an annealing furnace
JPS5638419A (en) * 1979-09-05 1981-04-13 Kanto Yakin Kogyo Kk Metal heating furnace with protective atmosphere
JPS5677321A (en) * 1979-11-28 1981-06-25 Kanto Yakin Kogyo Kk Energy saving type atmosphere furnace for metal heat treatment
JPS62199761A (ja) * 1986-02-25 1987-09-03 Ishikawajima Harima Heavy Ind Co Ltd 鋼の熱処理方法
JPS62243754A (ja) * 1986-04-15 1987-10-24 Isuzu Motors Ltd 浸炭炉雰囲気制御装置
DE3632577A1 (de) 1986-09-25 1988-05-05 Linde Ag Strahlrohrbrenner mit katalysatorbett fuer waermebehandlungsoefen
JPH01165715A (ja) * 1987-12-21 1989-06-29 Osaka Gas Co Ltd 鋼の熱処理装置
EP0322932B1 (de) 1987-12-23 1994-03-30 Hi-Tech Ceramics, Inc. Mit Fasern gefüllte retikulierte Keramik, verwendet zur Auskleidung von Ofen
JPH057237Y2 (de) 1989-07-10 1993-02-24
DE4005710C1 (en) 1990-02-23 1990-08-23 Ipsen Industries International Gmbh, 4190 Kleve, De Two=stage nitro:carburising for iron - comprises heating in furnace with catalyst in presence of methanol, ammonia and nitrogen
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FR2701863B1 (fr) 1993-02-24 1995-04-14 Serthel Réacteur thermique à tube à passage direct de courant.
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CN1126826C (zh) * 1999-08-31 2003-11-05 上海交通大学 气体渗碳炉废气循环利用的方法
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Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2181597A1 (en) * 1972-04-27 1973-12-07 Stein Surface Continuous heat treatment furnaces - with recycled furnace gases
EP0465226A1 (de) * 1990-07-03 1992-01-08 Dowa Mining Co., Ltd. Verfahren und Anlage zur Gasaufkohlung
DE4427507C1 (de) * 1994-08-03 1995-06-01 Linde Ag Verfahren zur Wärmebehandlung, insbesondere Aufkohlung, metallischer Werkstücke

Also Published As

Publication number Publication date
CN101608294A (zh) 2009-12-23
EP2135961B1 (de) 2014-10-01
US20090314388A1 (en) 2009-12-24
EP2135961A2 (de) 2009-12-23
DE102008029001B3 (de) 2009-09-17
PL2135961T3 (pl) 2015-03-31
RU2009123209A (ru) 2010-12-27
JP2010001567A (ja) 2010-01-07
US8313586B2 (en) 2012-11-20
CN101608294B (zh) 2013-10-23

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