FR2426877A1 - Perfectionnements apportes aux fours a vide a dispositif incorpore de trempe en lit fluidise - Google Patents

Perfectionnements apportes aux fours a vide a dispositif incorpore de trempe en lit fluidise

Info

Publication number
FR2426877A1
FR2426877A1 FR7815217A FR7815217A FR2426877A1 FR 2426877 A1 FR2426877 A1 FR 2426877A1 FR 7815217 A FR7815217 A FR 7815217A FR 7815217 A FR7815217 A FR 7815217A FR 2426877 A1 FR2426877 A1 FR 2426877A1
Authority
FR
France
Prior art keywords
enclosure
tempering
furnace
transfer chamber
complicated
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
FR7815217A
Other languages
English (en)
Other versions
FR2426877B1 (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.)
PHYSIQUE APPLIQUEE IND
Original Assignee
PHYSIQUE APPLIQUEE IND
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 PHYSIQUE APPLIQUEE IND filed Critical PHYSIQUE APPLIQUEE IND
Priority to FR7815217A priority Critical patent/FR2426877A1/fr
Publication of FR2426877A1 publication Critical patent/FR2426877A1/fr
Application granted granted Critical
Publication of FR2426877B1 publication Critical patent/FR2426877B1/fr
Granted legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B5/00—Muffle furnaces; Retort furnaces; Other furnaces in which the charge is held completely isolated
    • F27B5/06—Details, accessories, or equipment peculiar to furnaces of these types
    • F27B5/16—Arrangements of air or gas supply devices
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B5/00—Muffle furnaces; Retort furnaces; Other furnaces in which the charge is held completely isolated
    • F27B5/06—Details, accessories, or equipment peculiar to furnaces of these types
    • F27B2005/062—Cooling elements
    • F27B2005/066—Cooling elements disposed around the fan
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B5/00—Muffle furnaces; Retort furnaces; Other furnaces in which the charge is held completely isolated
    • F27B5/06—Details, accessories, or equipment peculiar to furnaces of these types
    • F27B5/14—Arrangements of heating devices
    • F27B2005/143—Heating rods disposed in the chamber
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B5/00—Muffle furnaces; Retort furnaces; Other furnaces in which the charge is held completely isolated
    • F27B5/06—Details, accessories, or equipment peculiar to furnaces of these types
    • F27B5/16—Arrangements of air or gas supply devices
    • F27B2005/161—Gas inflow or outflow
    • F27B2005/162—Gas inflow or outflow through closable or non-closable openings of the chamber walls
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B5/00—Muffle furnaces; Retort furnaces; Other furnaces in which the charge is held completely isolated
    • F27B5/06—Details, accessories, or equipment peculiar to furnaces of these types
    • F27B5/16—Arrangements of air or gas supply devices
    • F27B2005/166—Means to circulate the atmosphere
    • F27B2005/167—Means to circulate the atmosphere the atmosphere being recirculated through the treatment chamber by a turbine

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • Furnace Charging Or Discharging (AREA)

Abstract

Installation de traitement thermique sous vide, avec dispositif de trempe incorporé, notamment en lit fluidisé, comportant un four sous vide et une enceinte de trempe à lit fluidisé ou tout autre milieu de trempe, caractérisée en ce qu'elle comporte une chambre de transfert à la partie supérieure, pouvant être mise alternativement en communication avec l'ouverture supérieure du four sous vide et avec l'enceinte de trempe, un système de transfert de la charge à traiter, pour assurer son passage alternativement du four sous vide à l'enceinte de trempe, et un couvercle étanche solidaire du système de transfert et mobile avec lui, venant obturer alternativement le four sous vide et l'enceinte de trempe à lit fluidisé, lorsque l'un ou l'autre est en service.
FR7815217A 1978-05-23 1978-05-23 Perfectionnements apportes aux fours a vide a dispositif incorpore de trempe en lit fluidise Granted FR2426877A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7815217A FR2426877A1 (fr) 1978-05-23 1978-05-23 Perfectionnements apportes aux fours a vide a dispositif incorpore de trempe en lit fluidise

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7815217A FR2426877A1 (fr) 1978-05-23 1978-05-23 Perfectionnements apportes aux fours a vide a dispositif incorpore de trempe en lit fluidise

Publications (2)

Publication Number Publication Date
FR2426877A1 true FR2426877A1 (fr) 1979-12-21
FR2426877B1 FR2426877B1 (fr) 1982-06-04

Family

ID=9208561

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7815217A Granted FR2426877A1 (fr) 1978-05-23 1978-05-23 Perfectionnements apportes aux fours a vide a dispositif incorpore de trempe en lit fluidise

Country Status (1)

Country Link
FR (1) FR2426877A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0388333A1 (fr) * 1989-03-17 1990-09-19 Etudes Et Constructions Mecaniques Dispositif pour l'exécution de traitements thermiques enchainés en continu sous vide
US5052923A (en) * 1989-10-12 1991-10-01 Ipsen Industries International Gesellschaft Mit Beschrankter Haftung Oven for partial heat treatment of tools

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102634648B (zh) * 2012-04-26 2015-01-07 广东世创金属科技有限公司 具有在淬火中保护气氛及自动转移工件装置的井式炉

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE970360C (de) * 1943-09-29 1958-09-11 Aeg Haubenofen mit Kuehlkammern
FR2058001A5 (fr) * 1970-02-12 1971-05-21 Sola Basic Ind
FR2106656A5 (en) * 1970-09-18 1972-05-05 Inst Elektrotermicheskogo Obor Three chamber vacuum sintering plant - with two turn table mounted chambers
FR2159511A1 (fr) * 1971-11-12 1973-06-22 Degussa
FR2312566A1 (fr) * 1975-05-30 1976-12-24 Degussa Installation a recuire pour affinage et durcissement de pieces usinees

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE970360C (de) * 1943-09-29 1958-09-11 Aeg Haubenofen mit Kuehlkammern
FR2058001A5 (fr) * 1970-02-12 1971-05-21 Sola Basic Ind
FR2106656A5 (en) * 1970-09-18 1972-05-05 Inst Elektrotermicheskogo Obor Three chamber vacuum sintering plant - with two turn table mounted chambers
FR2159511A1 (fr) * 1971-11-12 1973-06-22 Degussa
FR2312566A1 (fr) * 1975-05-30 1976-12-24 Degussa Installation a recuire pour affinage et durcissement de pieces usinees

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0388333A1 (fr) * 1989-03-17 1990-09-19 Etudes Et Constructions Mecaniques Dispositif pour l'exécution de traitements thermiques enchainés en continu sous vide
US5033927A (en) * 1989-03-17 1991-07-23 Etudes Et Constructions Mechaniques Device for carrying out sequential thermal treatments under a vacuum
US5052923A (en) * 1989-10-12 1991-10-01 Ipsen Industries International Gesellschaft Mit Beschrankter Haftung Oven for partial heat treatment of tools

Also Published As

Publication number Publication date
FR2426877B1 (fr) 1982-06-04

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Legal Events

Date Code Title Description
ST Notification of lapse