EP2135961A3 - Method and device for heat treating metallic materials in a protective atmosphere - Google Patents

Method and device for heat treating metallic materials in a protective atmosphere 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
German (de)
French (fr)
Other versions
EP2135961B1 (en
EP2135961A2 (en
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
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Filing date
Publication date
Application filed by Ipsen International GmbH filed Critical Ipsen International GmbH
Priority to PL09007348T priority Critical patent/PL2135961T3/en
Publication of EP2135961A2 publication Critical patent/EP2135961A2/en
Publication of EP2135961A3 publication Critical patent/EP2135961A3/en
Application granted granted Critical
Publication of EP2135961B1 publication Critical patent/EP2135961B1/en
Active legal-status Critical Current
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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.).

Figure imgaf001
The invention comprises a shielded gas recirculation system comprising methods and apparatus for gas carburizing materials in an industrial furnace (1) in which the components carbon dioxide, oxygen and water vapor react with carbon dioxide and hydrogen catalyzed by reaction gas fed to already "spent" shielding gas as in a treatment room (3) "treated" inert gas then feed again at one or more points (2.2) in a treatment room (2.1), so that sets a real cycle and gas carburization can proceed continuously while saving on inert gas (Fig.).
Figure imgaf001
EP20090007348 2008-06-20 2009-06-03 Method and device for heat treating metallic materials in a protective atmosphere Active EP2135961B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL09007348T PL2135961T3 (en) 2008-06-20 2009-06-03 Method and device for heat treating metallic materials in a protective atmosphere

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200810029001 DE102008029001B3 (en) 2008-06-20 2008-06-20 Method and device for the heat treatment of metallic materials

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 (en) 2009-12-23
EP2135961A3 true EP2135961A3 (en) 2013-02-13
EP2135961B1 EP2135961B1 (en) 2014-10-01

Family

ID=40953332

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20090007348 Active EP2135961B1 (en) 2008-06-20 2009-06-03 Method and device for heat treating metallic materials in a protective atmosphere

Country Status (7)

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

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009014665A1 (en) 2009-03-27 2010-09-30 Ipsen International Gmbh Operating method for loading and unloading metallic materials in e.g. atmosphere furnace to perform heat treatment of metallic materials, involves starting operating cycle by loading load on plane moving perpendicular to chamber
DE102009038598B4 (en) 2009-08-26 2017-06-22 Ipsen International Gmbh Process and device for the treatment of process gases for heat treatment of metallic materials / workpieces in industrial furnaces
PL2336372T3 (en) * 2009-12-16 2016-09-30 Method and device for regulating process gases for the thermoforming of metallic materials/workpieces in industrial ovens
DE102009058642A1 (en) * 2009-12-16 2011-06-22 Ipsen International GmbH, 47533 Process and device for controlling process gases for heat treatment of metallic materials / workpieces in industrial furnaces
JP2012087384A (en) * 2010-10-21 2012-05-10 Ipsen Co Ltd Method and apparatus for adjusting process gas for heat treatment of metallic material/metallic workpiece in industrial furnace
DE102012019653A1 (en) * 2012-10-08 2014-04-10 Ipsen International Gmbh Gas-tight protective gas-blast industrial furnace, in particular chamber furnace, pusher furnace, rotary hearth furnace or ring hearth furnace
US20170074589A1 (en) 2015-09-11 2017-03-16 Ipsen Inc. System and Method for Facilitating the Maintenance of an Industrial Furnace
DE102015117683B3 (en) 2015-10-16 2016-09-29 Wienstroth Wärmebehandlungstechnik GmbH Method and device for producing and treating protective and / or reaction gases for the heat treatment of metals
CN109539805A (en) * 2018-11-01 2019-03-29 南京工程学院 A kind of processing method of soaring kiln gas
JP7438645B2 (en) 2022-02-03 2024-02-27 ダイハツ工業株式会社 Carburizing system and method for manufacturing metal parts

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 (en) * 1990-07-03 1992-01-08 Dowa Mining Co., Ltd. Gas-carburizing process and apparatus
DE4427507C1 (en) * 1994-08-03 1995-06-01 Linde Ag Case-hardening metal parts

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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 (en) * 1986-02-25 1987-09-03 Ishikawajima Harima Heavy Ind Co Ltd Heat treatment of steel
JPS62243754A (en) * 1986-04-15 1987-10-24 Isuzu Motors Ltd Control device for carburization furnace atmosphere
DE3632577A1 (en) 1986-09-25 1988-05-05 Linde Ag JET PIPE BURNER WITH CATALYST BED FOR HEAT TREATMENT OVENS
JPH01165715A (en) * 1987-12-21 1989-06-29 Osaka Gas Co Ltd Heat-treating device for steel
EP0322932B1 (en) 1987-12-23 1994-03-30 Hi-Tech Ceramics, Inc. A fiber filled reticulated ceramic, used as a lining in a furnace
JPH057237Y2 (en) 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
US5298090A (en) * 1992-12-22 1994-03-29 Air Products And Chemicals, Inc. Atmospheres for heat treating non-ferrous metals and alloys
FR2701863B1 (en) 1993-02-24 1995-04-14 Serthel Tube thermal reactor with direct current flow.
DE4416469C1 (en) 1994-05-10 1995-09-07 Juergen Dr Koppe Easily mfd. and regenerated fully metallic oxidn. catalyst
US5645808A (en) * 1995-05-15 1997-07-08 E. I. Du Pont De Nemours And Company Catalytic oxidation of volatile carbon compounds
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CN1126826C (en) * 1999-08-31 2003-11-05 上海交通大学 Circular utilization method of waste gas from gas carburizing furnace
CN1089372C (en) * 1999-09-11 2002-08-21 西北轴承集团有限责任公司 Direct-generation type natural gas controllable atmosphere heat treatment technology
JP2002357388A (en) * 2001-06-01 2002-12-13 Daido Steel Co Ltd Heat treating furnace
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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 (en) * 1990-07-03 1992-01-08 Dowa Mining Co., Ltd. Gas-carburizing process and apparatus
DE4427507C1 (en) * 1994-08-03 1995-06-01 Linde Ag Case-hardening metal parts

Also Published As

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

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