ES2160304T3 - Procedimiento de elaboracion de una atmosfera de tratamiento termico y metodo de regulacion de tal procedimiento. - Google Patents

Procedimiento de elaboracion de una atmosfera de tratamiento termico y metodo de regulacion de tal procedimiento.

Info

Publication number
ES2160304T3
ES2160304T3 ES97400802T ES97400802T ES2160304T3 ES 2160304 T3 ES2160304 T3 ES 2160304T3 ES 97400802 T ES97400802 T ES 97400802T ES 97400802 T ES97400802 T ES 97400802T ES 2160304 T3 ES2160304 T3 ES 2160304T3
Authority
ES
Spain
Prior art keywords
procedure
pressure
treatment atmosphere
atmosphere
development
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
ES97400802T
Other languages
English (en)
Inventor
Jean-Claude Morin
Mcsweeney Pascale Pourtalet
Philippe Poynot
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
Application filed by Air Liquide SA, LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude filed Critical Air Liquide SA
Application granted granted Critical
Publication of ES2160304T3 publication Critical patent/ES2160304T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J7/00Apparatus for generating gases
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D1/00General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/74Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material
    • C21D1/76Adjusting the composition of the atmosphere
    • C21D1/763Adjusting the composition of the atmosphere using a catalyst
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/0006Controlling or regulating processes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J6/00Heat treatments such as Calcining; Fusing ; Pyrolysis
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D11/00Process control or regulation for heat treatments

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Metallurgy (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Control Of Heat Treatment Processes (AREA)
  • Powder Metallurgy (AREA)
  • Hydrogen, Water And Hydrids (AREA)
  • Catalysts (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Control Of Resistance Heating (AREA)
  • Nonmetallic Welding Materials (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

LA INVENCION SE REFIERE A UN PROCEDIMIENTO DE ELABORACION DE UNA ATMOSFERA DE TRATAMIENTO TERMICO POR REACCION CATALITICA ENTRE UNA PRIMERA MEZCLA GASEOSA (2/3) QUE LLEVA OXIGENO Y UNA SEGUNDA MEZCLA GASEOSA (4) QUE LLEVA UN HIDROCARBURO, EN UN REACTOR CATALITICO (16), CON MIRAS A LA ALIMENTACION EN LA ATMOSFERA DE UN SITIO DE USUARIO QUE INCLUYE AL MENOS UN PUESTO DE USUARIO (F1, F2, F3, 25), SEGUN EL CUAL: A) SE MIDE CONTINUAMENTE (12) LA PRESION DE LA ATMOSFERA DE TRATAMIENTO TERMICA OBTENIDA EN LA SALIDA DEL REACTOR; B) SE COMPARA LA MEDICION DE PRESION EFECTUADA DURANTE LA ETAPA A) CON UNA PRESION DE REFERENCIA P{SUB,C}; C) SE ACTUA CON EFECTO RETROACTIVO, EN SU CASO, SEGUN EL RESULTADO DE LA COMPARACION EFECTUADA DURANTE LA ETAPA B), SOBRE LOS CAUDALES RESPECTIVOS DE LA PRIMERA MEZCLA Y/O DE LA SEGUNDA MEZCLA QUE ALCANZAN LA ENTRADA DEL REACTOR CATALITICO,CON OBJETO DE LLEVAR, SI FUESE NECESARIO, LA PRESION DE LA ATMOSFERA DE TRATAMIENTO TERMICO EN LA SALIDA DEL REACTOR AL NIVEL DE LAREFERENCIA P{SUB,C}.
ES97400802T 1996-04-23 1997-04-08 Procedimiento de elaboracion de una atmosfera de tratamiento termico y metodo de regulacion de tal procedimiento. Expired - Lifetime ES2160304T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9605105A FR2747593B1 (fr) 1996-04-23 1996-04-23 Procede d'elaboration d'une atmosphere de traitement thermique et methode de regulation d'un tel procede

Publications (1)

Publication Number Publication Date
ES2160304T3 true ES2160304T3 (es) 2001-11-01

Family

ID=9491501

Family Applications (1)

Application Number Title Priority Date Filing Date
ES97400802T Expired - Lifetime ES2160304T3 (es) 1996-04-23 1997-04-08 Procedimiento de elaboracion de una atmosfera de tratamiento termico y metodo de regulacion de tal procedimiento.

Country Status (15)

Country Link
US (1) US5846340A (es)
EP (1) EP0803581B1 (es)
JP (1) JPH1046234A (es)
KR (1) KR970069113A (es)
CN (1) CN1078253C (es)
AT (1) ATE202384T1 (es)
AU (1) AU720078B2 (es)
CA (1) CA2203231A1 (es)
DE (1) DE69705257T2 (es)
DK (1) DK0803581T3 (es)
ES (1) ES2160304T3 (es)
FR (1) FR2747593B1 (es)
PT (1) PT803581E (es)
TW (1) TW440465B (es)
ZA (1) ZA973066B (es)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100862861B1 (ko) * 2002-10-14 2008-10-09 주식회사 포스코 가열로의 혼합가스 비상공급장치

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS624439A (ja) * 1985-07-01 1987-01-10 Ngk Insulators Ltd 雰囲気ガス製造装置
FR2595801B1 (fr) * 1986-03-12 1988-06-10 Innovatique Sa Procede et dispositif pour l'elaboration d'un melange gazeux apte a assurer une atmosphere de traitement dans un four de traitement thermochimique par bombardement ionique
FR2628753B1 (fr) * 1988-03-16 1993-07-23 Air Liquide Procede et dispositif de traitement de recuit d'articles metalliques en four horizontal
IT1229078B (it) * 1988-03-16 1991-07-18 Air Liquide Procedimento e dispositivo di trattamento di ricottura di articoli metallici.
FR2628752B1 (fr) * 1988-03-16 1993-01-15 Air Liquide Procede et dispositif de traitement de recuit de bandes metalliques en four vertical
FR2668584B1 (fr) * 1990-10-26 1994-03-18 Lair Liquide Procede d'elaboration d'une atmosphere de traitement thermique et installation de traitement thermique.
DE4212307C2 (de) * 1992-04-13 1994-07-28 Messer Griesheim Gmbh Verfahren zur Herstellung eines Schutz- oder Reaktionsgases für die Wärmebehandlung von Metallen

Also Published As

Publication number Publication date
US5846340A (en) 1998-12-08
CN1170765A (zh) 1998-01-21
AU1633397A (en) 1997-10-30
ZA973066B (en) 1997-11-05
PT803581E (pt) 2001-11-30
JPH1046234A (ja) 1998-02-17
ATE202384T1 (de) 2001-07-15
AU720078B2 (en) 2000-05-25
CA2203231A1 (fr) 1997-10-23
FR2747593B1 (fr) 1998-05-29
KR970069113A (ko) 1997-11-07
TW440465B (en) 2001-06-16
FR2747593A1 (fr) 1997-10-24
DK0803581T3 (da) 2001-09-10
DE69705257D1 (de) 2001-07-26
EP0803581A1 (fr) 1997-10-29
CN1078253C (zh) 2002-01-23
EP0803581B1 (fr) 2001-06-20
DE69705257T2 (de) 2002-04-18

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