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AU1628897A - Process for preparing blanketing gases or reaction gases for the heat treatment of metals - Google Patents

Process for preparing blanketing gases or reaction gases for the heat treatment of metals

Info

Publication number
AU1628897A
AU1628897A AU16288/97A AU1628897A AU1628897A AU 1628897 A AU1628897 A AU 1628897A AU 16288/97 A AU16288/97 A AU 16288/97A AU 1628897 A AU1628897 A AU 1628897A AU 1628897 A AU1628897 A AU 1628897A
Authority
AU
Australia
Prior art keywords
gases
metals
preparing
heat treatment
blanketing
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
AU16288/97A
Other versions
AU714077B2 (en
Inventor
Jens Mirschinka
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.)
Messer Griesheim GmbH
Original Assignee
Messer Griesheim GmbH
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 Messer Griesheim GmbH filed Critical Messer Griesheim GmbH
Publication of AU1628897A publication Critical patent/AU1628897A/en
Application granted granted Critical
Publication of AU714077B2 publication Critical patent/AU714077B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/14—Production of inert gas mixtures; Use of inert gases in general
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/30—Controlling by gas-analysis apparatus
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J1/00—Production of fuel gases by carburetting air or other gases without pyrolysis
    • 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
    • C21D1/763—Adjusting the composition of the atmosphere using a catalyst

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Analytical Chemistry (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Physics & Mathematics (AREA)
  • Combustion & Propulsion (AREA)
  • General Chemical & Material Sciences (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Separation By Low-Temperature Treatments (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
AU16288/97A 1996-03-19 1997-03-17 Process for preparing blanketing gases or reaction gases for the heat treatment of metals Ceased AU714077B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19610722 1996-03-19
DE1996110722 DE19610722B4 (en) 1996-03-19 1996-03-19 Process for the preparation of protective or reaction gases for the heat treatment of metals

Publications (2)

Publication Number Publication Date
AU1628897A true AU1628897A (en) 1997-09-25
AU714077B2 AU714077B2 (en) 1999-12-16

Family

ID=7788714

Family Applications (1)

Application Number Title Priority Date Filing Date
AU16288/97A Ceased AU714077B2 (en) 1996-03-19 1997-03-17 Process for preparing blanketing gases or reaction gases for the heat treatment of metals

Country Status (4)

Country Link
CN (1) CN1098121C (en)
AU (1) AU714077B2 (en)
DE (1) DE19610722B4 (en)
ID (1) ID16270A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101928817A (en) * 2010-08-27 2010-12-29 上海心田电工设备有限公司 Method for preparing protective gas for heat treatment of metals
DE102015003777B3 (en) * 2015-03-24 2016-03-31 Messer Belgium NV Method and device for controlled introduction of a gas into a fluid medium
CN106466584A (en) * 2016-08-27 2017-03-01 湖北宜化集团有限责任公司 A kind of method and device guaranteeing that tripolycyanamide fused salt is in normal condition

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT305222B (en) * 1966-06-08 1973-02-12 Gako Ges Fuer Gas Method and device for the production of inert gas
US4051231A (en) * 1974-09-23 1977-09-27 Ford, Bacon & Davis Texas, Inc. Production of internal atmospheres for kilns
DE2634257A1 (en) * 1976-07-30 1978-02-02 Kaiser Aluminium Europ Inc Deu Inert gas generation from exhaust gas - by controlling fuel-gas ratio to achieve the required compsn.
US5259893A (en) * 1991-07-08 1993-11-09 Air Products And Chemicals, Inc. In-situ generation of heat treating atmospheres using a mixture of non-cryogenically produced nitrogen and a hydrocarbon gas
DE4212307C2 (en) * 1992-04-13 1994-07-28 Messer Griesheim Gmbh Process for the production of a protective or reaction gas for the heat treatment of metals
DE4424170C1 (en) * 1994-07-08 1996-02-08 Carbotech Anlagenbau Gmbh Method for adjusting a controlled atmosphere in a container

Also Published As

Publication number Publication date
DE19610722A1 (en) 1997-09-25
DE19610722B4 (en) 2006-07-13
CN1163795A (en) 1997-11-05
CN1098121C (en) 2003-01-08
ID16270A (en) 1997-09-18
AU714077B2 (en) 1999-12-16

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Legal Events

Date Code Title Description
FGA Letters patent sealed or granted (standard patent)