FR2438687A1 - Procede et four industriel a atmosphere controlee destines au traitement thermique des pieces metalliques - Google Patents

Procede et four industriel a atmosphere controlee destines au traitement thermique des pieces metalliques

Info

Publication number
FR2438687A1
FR2438687A1 FR7925140A FR7925140A FR2438687A1 FR 2438687 A1 FR2438687 A1 FR 2438687A1 FR 7925140 A FR7925140 A FR 7925140A FR 7925140 A FR7925140 A FR 7925140A FR 2438687 A1 FR2438687 A1 FR 2438687A1
Authority
FR
France
Prior art keywords
nitrogen
furnace
medium
obtd
heat treatment
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
FR7925140A
Other languages
English (en)
Other versions
FR2438687B1 (fr
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.)
Aichelin GmbH Germany
Original Assignee
Aichelin GmbH Germany
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 Aichelin GmbH Germany filed Critical Aichelin GmbH Germany
Publication of FR2438687A1 publication Critical patent/FR2438687A1/fr
Application granted granted Critical
Publication of FR2438687B1 publication Critical patent/FR2438687B1/fr
Granted legal-status Critical Current

Links

Classifications

    • 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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Separation Of Gases By Adsorption (AREA)
  • Furnace Details (AREA)
  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
  • Treating Waste Gases (AREA)

Abstract

PROCEDE DE TRAITEMENT THERMIQUE DES PIECES METALLIQUES DANS UNE ATMOSPHERE CONTROLEE CONSTITUEE PAR DE L'AZOTE REALISEE DANS UNE CHAMBRE DE FOUR POUVANT ETRE MISE SOUS VIDE. UN MELANGE GAZEUX INITIAL CONTENANT DE L'AZOTE EST DEBARRASSE PAR ADSORPTION, PENDANT SON PASSAGE DANS UN ADSORBEUR4, DES COMPOSANTS GAZEUX QU'IL CONTIENT EN PLUS DE L'AZOTE ET LA CHAMBRE DE FOUR1, PREALABLEMENT MISE SOUS VIDE, EST REMPLIE AVEC L'AZOTE OBTENU ET L'ADSORBANT ENSUITE REGENERE PAR DESORPTION SOUS DEPRESSION.
FR7925140A 1978-10-10 1979-10-09 Procede et four industriel a atmosphere controlee destines au traitement thermique des pieces metalliques Granted FR2438687A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2844167A DE2844167C2 (de) 1978-10-10 1978-10-10 Verfahren zur Erzeugung einer Stickstoff-Schutzgasatmosphäre in einer Ofenkammer und Schutzgasindustrieofen zur Durchführung dieses Verfahrens

Publications (2)

Publication Number Publication Date
FR2438687A1 true FR2438687A1 (fr) 1980-05-09
FR2438687B1 FR2438687B1 (fr) 1983-05-27

Family

ID=6051861

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7925140A Granted FR2438687A1 (fr) 1978-10-10 1979-10-09 Procede et four industriel a atmosphere controlee destines au traitement thermique des pieces metalliques

Country Status (5)

Country Link
AT (1) AT369790B (fr)
DE (1) DE2844167C2 (fr)
FR (1) FR2438687A1 (fr)
IT (1) IT1218936B (fr)
SE (1) SE7908331L (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2639251A1 (fr) * 1988-11-24 1990-05-25 Air Liquide Procede d'elaboration d'une atmosphere de traitement thermique par separation d'air par adsorption et sechage
EP0406047A1 (fr) * 1989-06-30 1991-01-02 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Procédé de traitement thermique de metaux

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2639252B1 (fr) * 1988-11-24 1990-12-28 Air Liquide

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2565201A (en) * 1947-09-26 1951-08-21 Air Reduction Controlled atmosphere for heattreating metals
FR1384954A (fr) * 1962-12-28 1965-01-08 Aichelin Industrieofenbau Fa J Procédé et installation pour séparer les impuretés indésirables, et surtour l'eau et l'anhydride carbonique plus particulièr ement à partir des gaz de protection
FR1530161A (fr) * 1967-07-03 1968-06-21 Degussa Four de passage, procédés en usage dans la métallurgie effectués dans le présent four et les produits obtenus
GB1275824A (en) * 1969-05-23 1972-05-24 Gako Ges Fuer Gas Kohle Und Ol Improvements relating to the production of inert gases
FR2311095A1 (fr) * 1975-05-16 1976-12-10 Vide & Traitement Sa Four pour le traitement thermique, sous vide et sous atmospheres, de metaux

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2402266A1 (de) * 1974-01-18 1975-08-07 Messer Griesheim Gmbh Verfahren zur erzeugung und speicherung eines schutzgases zum gluehen von stahl und anderen metallen

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2565201A (en) * 1947-09-26 1951-08-21 Air Reduction Controlled atmosphere for heattreating metals
FR1384954A (fr) * 1962-12-28 1965-01-08 Aichelin Industrieofenbau Fa J Procédé et installation pour séparer les impuretés indésirables, et surtour l'eau et l'anhydride carbonique plus particulièr ement à partir des gaz de protection
FR1530161A (fr) * 1967-07-03 1968-06-21 Degussa Four de passage, procédés en usage dans la métallurgie effectués dans le présent four et les produits obtenus
GB1275824A (en) * 1969-05-23 1972-05-24 Gako Ges Fuer Gas Kohle Und Ol Improvements relating to the production of inert gases
FR2311095A1 (fr) * 1975-05-16 1976-12-10 Vide & Traitement Sa Four pour le traitement thermique, sous vide et sous atmospheres, de metaux

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2639251A1 (fr) * 1988-11-24 1990-05-25 Air Liquide Procede d'elaboration d'une atmosphere de traitement thermique par separation d'air par adsorption et sechage
EP0406047A1 (fr) * 1989-06-30 1991-01-02 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Procédé de traitement thermique de metaux
FR2649123A1 (fr) * 1989-06-30 1991-01-04 Air Liquide Procede de traitement thermique de metaux
US5069728A (en) * 1989-06-30 1991-12-03 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Process for heat treating metals in a continuous oven under controlled atmosphere

Also Published As

Publication number Publication date
SE7908331L (sv) 1980-04-11
DE2844167C2 (de) 1984-07-26
ATA578379A (de) 1982-06-15
FR2438687B1 (fr) 1983-05-27
DE2844167A1 (de) 1980-04-17
IT1218936B (it) 1990-04-24
AT369790B (de) 1983-01-25
IT7968960A0 (it) 1979-10-09

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Legal Events

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