FR2681691B1 - Procede et dispositif de mesure de la teneur en gaz de l'atmosphere d'un four. - Google Patents

Procede et dispositif de mesure de la teneur en gaz de l'atmosphere d'un four.

Info

Publication number
FR2681691B1
FR2681691B1 FR9111968A FR9111968A FR2681691B1 FR 2681691 B1 FR2681691 B1 FR 2681691B1 FR 9111968 A FR9111968 A FR 9111968A FR 9111968 A FR9111968 A FR 9111968A FR 2681691 B1 FR2681691 B1 FR 2681691B1
Authority
FR
France
Prior art keywords
oven
atmosphere
measuring
gas content
gas
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 - Fee Related
Application number
FR9111968A
Other languages
English (en)
Other versions
FR2681691A1 (fr
Inventor
Rene Pierret
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.)
Institut de Recherches de la Siderurgie Francaise IRSID
Original Assignee
Institut de Recherches de la Siderurgie Francaise IRSID
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 Institut de Recherches de la Siderurgie Francaise IRSID filed Critical Institut de Recherches de la Siderurgie Francaise IRSID
Priority to FR9111968A priority Critical patent/FR2681691B1/fr
Publication of FR2681691A1 publication Critical patent/FR2681691A1/fr
Application granted granted Critical
Publication of FR2681691B1 publication Critical patent/FR2681691B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/0004—Gaseous mixtures, e.g. polluted air
    • G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
    • G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
    • G01N33/0031—General constructional details of gas analysers, e.g. portable test equipment concerning the detector comprising two or more sensors, e.g. a sensor array
    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00—Sampling; Preparing specimens for investigation
    • G01N1/02—Devices for withdrawing samples
    • G01N1/22—Devices for withdrawing samples in the gaseous state
    • G01N1/24—Suction devices
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/0004—Gaseous mixtures, e.g. polluted air
    • G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
    • G01N33/0011—Sample conditioning

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Pathology (AREA)
  • Immunology (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Combustion & Propulsion (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Biomedical Technology (AREA)
  • Molecular Biology (AREA)
  • Sampling And Sample Adjustment (AREA)
FR9111968A 1991-09-25 1991-09-25 Procede et dispositif de mesure de la teneur en gaz de l'atmosphere d'un four. Expired - Fee Related FR2681691B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9111968A FR2681691B1 (fr) 1991-09-25 1991-09-25 Procede et dispositif de mesure de la teneur en gaz de l'atmosphere d'un four.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9111968A FR2681691B1 (fr) 1991-09-25 1991-09-25 Procede et dispositif de mesure de la teneur en gaz de l'atmosphere d'un four.

Publications (2)

Publication Number Publication Date
FR2681691A1 FR2681691A1 (fr) 1993-03-26
FR2681691B1 true FR2681691B1 (fr) 1993-11-19

Family

ID=9417395

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9111968A Expired - Fee Related FR2681691B1 (fr) 1991-09-25 1991-09-25 Procede et dispositif de mesure de la teneur en gaz de l'atmosphere d'un four.

Country Status (1)

Country Link
FR (1) FR2681691B1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2822232B1 (fr) * 2001-03-19 2003-05-30 Leces Ligne de prelevment d'efchantillons d'effluents gazeux chauds en emission diffuse
FR2858409B1 (fr) * 2003-07-29 2006-06-23 Renault Sa Dispositif de protection thermique pour appareil de mesure par prelevement de gaz et procede de mesure associe.

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH628092A5 (de) * 1978-03-21 1982-02-15 Ipsen Ind Int Gmbh Verfahren und vorrichtung zur regelung des kohlenstoffpegels eines chemisch reagierenden gasgemisches.
US4191598A (en) * 1978-08-21 1980-03-04 Midland-Ross Corporation Jet recirculation method for vacuum carburizing
DE2923285B2 (de) * 1979-06-08 1981-05-07 Aichelin GmbH, 7015 Korntal Anordnung zur Steuerung der Zusammensetzung der Atmosphäre eines Wärmebehandlungsofen
DE3304244A1 (de) * 1983-02-08 1984-08-09 Siemens AG, 1000 Berlin und 8000 München Einrichtung zur bestimmung des kohlenstoffgehalts in prozessgasgemischen metallurgischer prozesse, insbesondere in ofenatmosphaeren von waermebehandlungsoefen
US4966348A (en) * 1989-06-30 1990-10-30 Lindberg Corp. Method and apparatus for monitoring atmosphere in furnaces

Also Published As

Publication number Publication date
FR2681691A1 (fr) 1993-03-26

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse