FR2595800B1 - Dispositif pour l'homogeneisation et la regulation de l'atmosphere de traitement d'un four de traitement thermochimique de metaux sous atmosphere rarefiee - Google Patents

Dispositif pour l'homogeneisation et la regulation de l'atmosphere de traitement d'un four de traitement thermochimique de metaux sous atmosphere rarefiee

Info

Publication number
FR2595800B1
FR2595800B1 FR8603485A FR8603485A FR2595800B1 FR 2595800 B1 FR2595800 B1 FR 2595800B1 FR 8603485 A FR8603485 A FR 8603485A FR 8603485 A FR8603485 A FR 8603485A FR 2595800 B1 FR2595800 B1 FR 2595800B1
Authority
FR
France
Prior art keywords
atmosphere
treatment
homogeneization
regulation
metals under
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
Application number
FR8603485A
Other languages
English (en)
Other versions
FR2595800A1 (fr
Inventor
Franck Ribet
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.)
Innovatique SA
Original Assignee
Innovatique SA
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 Innovatique SA filed Critical Innovatique SA
Priority to FR8603485A priority Critical patent/FR2595800B1/fr
Publication of FR2595800A1 publication Critical patent/FR2595800A1/fr
Application granted granted Critical
Publication of FR2595800B1 publication Critical patent/FR2595800B1/fr
Expired 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D19/00—Arrangements of controlling devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D7/00—Forming, maintaining, or circulating atmospheres in heating chambers
    • F27D7/06—Forming or maintaining special atmospheres or vacuum within heating chambers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D19/00—Arrangements of controlling devices
    • F27D2019/0006—Monitoring the characteristics (composition, quantities, temperature, pressure) of at least one of the gases of the kiln atmosphere and using it as a controlling value
    • F27D2019/0009—Monitoring the pressure in an enclosure or kiln zone
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D19/00—Arrangements of controlling devices
    • F27D2019/0028—Regulation
    • F27D2019/0068—Regulation involving a measured inflow of a particular gas in the enclosure

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Furnace Details (AREA)
FR8603485A 1986-03-12 1986-03-12 Dispositif pour l'homogeneisation et la regulation de l'atmosphere de traitement d'un four de traitement thermochimique de metaux sous atmosphere rarefiee Expired FR2595800B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8603485A FR2595800B1 (fr) 1986-03-12 1986-03-12 Dispositif pour l'homogeneisation et la regulation de l'atmosphere de traitement d'un four de traitement thermochimique de metaux sous atmosphere rarefiee

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8603485A FR2595800B1 (fr) 1986-03-12 1986-03-12 Dispositif pour l'homogeneisation et la regulation de l'atmosphere de traitement d'un four de traitement thermochimique de metaux sous atmosphere rarefiee

Publications (2)

Publication Number Publication Date
FR2595800A1 FR2595800A1 (fr) 1987-09-18
FR2595800B1 true FR2595800B1 (fr) 1989-03-17

Family

ID=9333026

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8603485A Expired FR2595800B1 (fr) 1986-03-12 1986-03-12 Dispositif pour l'homogeneisation et la regulation de l'atmosphere de traitement d'un four de traitement thermochimique de metaux sous atmosphere rarefiee

Country Status (1)

Country Link
FR (1) FR2595800B1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2760758B1 (fr) * 1997-03-13 1999-04-23 Air Liquide Installation de surveillance d'un appareil de generation d'atmosphere
FR2832735B1 (fr) * 2001-11-24 2006-06-23 Bosch Gmbh Robert Dispositif et procede de cementation en depression

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4124199A (en) * 1977-07-11 1978-11-07 Abar Corporation Process and apparatus for case hardening of ferrous metal work pieces
JPS572874A (en) * 1980-06-04 1982-01-08 Hitachi Ltd Surface treating apparatus using ion

Also Published As

Publication number Publication date
FR2595800A1 (fr) 1987-09-18

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Legal Events

Date Code Title Description
ST Notification of lapse