ES2158627T3 - Procedimiento e instalacion para la produccion de un gas de tratamiento para el tratamiento termico de un producto metalico. - Google Patents

Procedimiento e instalacion para la produccion de un gas de tratamiento para el tratamiento termico de un producto metalico.

Info

Publication number
ES2158627T3
ES2158627T3 ES98103153T ES98103153T ES2158627T3 ES 2158627 T3 ES2158627 T3 ES 2158627T3 ES 98103153 T ES98103153 T ES 98103153T ES 98103153 T ES98103153 T ES 98103153T ES 2158627 T3 ES2158627 T3 ES 2158627T3
Authority
ES
Spain
Prior art keywords
gas
channel
treating
surrounding
rich
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 - Lifetime
Application number
ES98103153T
Other languages
English (en)
Inventor
Reinhard Dipl-Ing Strigl
Alexander Dipl-Ing Jurmann
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.)
Linde Gas AG
Original Assignee
Linde Gas AG
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 Linde Gas AG filed Critical Linde Gas AG
Application granted granted Critical
Publication of ES2158627T3 publication Critical patent/ES2158627T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/10—Reduction of greenhouse gas [GHG] emissions
    • Y02P10/122—Reduction of greenhouse gas [GHG] emissions by capturing or storing CO2

Abstract

LA INVENCION HACE REFERENCIA A UN PROCEDIMIENTO PARA GENERAR GAS DE TRATAMIENTO RICO EN CO Y H 2 PARA EL TRATAMIEN TO TERMICO DE OBJETOS METALICOS QUE SE CARACTERIZA PORQUE EL GAS GENERADO EN LA COMBUSTION DEL METANO (A), EN CONTACTO CON EL TRATAMIENTO TERMICO, ES SEPARADO DEL AGUA Y MEZCLADO DE NUEVO CON METANO. EL DIOXIDO DE CARBONO JUNTO CON EL METANO CONTENIDOS EN LA MEZCLA GASEOSA OBTENIDA SE TRANSFORMAN DE FORMA CATALITICA (3) Y MEDIANTE SUMINISTRO DE CALOR EN UN GAS DE TRATAMIENTO O DE REACCION RICO EN CO Y H 2 . LA COMBUSTION CORRESP ONDIENTE DE GAS METANO SE LLEVA A CABO CON OXIGENO PURO O CON AIRE CON SUFICIENTE CONTENIDO EN OXIGENO. LA INVENCION TAMBIEN HACE REFERENCIA A LA CORRESPONDIENTE INSTALACION PARA EL TRATAMIENTO TERMICO Y A UNA UNIDAD DE CATALIZACION (K) ESPECIALMENTE APROPIADA PARA ELLO.
ES98103153T 1997-02-25 1998-02-23 Procedimiento e instalacion para la produccion de un gas de tratamiento para el tratamiento termico de un producto metalico. Expired - Lifetime ES2158627T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1997107470 DE19707470A1 (de) 1997-02-25 1997-02-25 Verfahren zur Erzeugung von Behandlungsgas für die Wärmebehandlung metallischen Guts

Publications (1)

Publication Number Publication Date
ES2158627T3 true ES2158627T3 (es) 2001-09-01

Family

ID=7821393

Family Applications (1)

Application Number Title Priority Date Filing Date
ES98103153T Expired - Lifetime ES2158627T3 (es) 1997-02-25 1998-02-23 Procedimiento e instalacion para la produccion de un gas de tratamiento para el tratamiento termico de un producto metalico.

Country Status (4)

Country Link
EP (1) EP0860512B1 (es)
AT (1) ATE201056T1 (es)
DE (2) DE19707470A1 (es)
ES (1) ES2158627T3 (es)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10036163A1 (de) * 2000-07-25 2002-02-07 Linde Gas Ag Verfahren und Vorrichtung zur Erzeugung eines CO- und H¶2¶-haltigen Behandlungsgases für die Wärmebehandlung von metallischem Gut sowie Wärmebehandlungsanlage

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4398971A (en) * 1981-12-31 1983-08-16 Aga Aktiebolag Method of heating, holding or heat treatment of metal material
DE3440876A1 (de) * 1984-11-08 1986-05-15 Linde Ag, 6200 Wiesbaden Verfahren und vorrichtung zum herstellen einer schutzgasatmosphaere
SE461767B (sv) * 1988-09-28 1990-03-26 Aga Ab Endotermisk gasgenerator
DE4016183A1 (de) * 1990-05-19 1991-11-21 Linde Ag Verfahren zur verbesserten bereitstellung von behandlungsgas bei waermebehandlungen
EP0598384A1 (en) * 1992-11-17 1994-05-25 Praxair Technology, Inc. Oxygen removal from partially purified nitrogen
DE19608894A1 (de) * 1996-03-07 1997-09-18 Linde Ag Verfahren zur Schutzgasversorgung eines Wärmebehandlungsofens und Wärmebehandlungsanlage

Also Published As

Publication number Publication date
EP0860512A3 (de) 1998-09-23
DE59800676D1 (de) 2001-06-13
EP0860512B1 (de) 2001-05-09
EP0860512A2 (de) 1998-08-26
DE19707470A1 (de) 1998-08-27
ATE201056T1 (de) 2001-05-15

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