CA1174461A - Methode de decarbonisation des fours de traitement thermique - Google Patents

Methode de decarbonisation des fours de traitement thermique

Info

Publication number
CA1174461A
CA1174461A CA000382206A CA382206A CA1174461A CA 1174461 A CA1174461 A CA 1174461A CA 000382206 A CA000382206 A CA 000382206A CA 382206 A CA382206 A CA 382206A CA 1174461 A CA1174461 A CA 1174461A
Authority
CA
Canada
Prior art keywords
furnace
carbon dioxide
gas
burnout
carbon
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
CA000382206A
Other languages
English (en)
Inventor
Robert J. Peartree
Jelle H. Kaspersma
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.)
Air Products and Chemicals Inc
Original Assignee
Air Products and Chemicals Inc
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 Air Products and Chemicals Inc filed Critical Air Products and Chemicals Inc
Application granted granted Critical
Publication of CA1174461A publication Critical patent/CA1174461A/fr
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C8/06—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases
    • C23C8/08—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases only one element being applied
    • C23C8/20—Carburising
    • C23C8/22—Carburising of ferrous surfaces
    • 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
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C8/06—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases
    • C23C8/08—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases only one element being applied
    • C23C8/20—Carburising

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
CA000382206A 1980-08-15 1981-07-22 Methode de decarbonisation des fours de traitement thermique Expired CA1174461A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US17864380A 1980-08-15 1980-08-15
US178,643 1980-08-15

Publications (1)

Publication Number Publication Date
CA1174461A true CA1174461A (fr) 1984-09-18

Family

ID=22653327

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000382206A Expired CA1174461A (fr) 1980-08-15 1981-07-22 Methode de decarbonisation des fours de traitement thermique

Country Status (3)

Country Link
EP (1) EP0047067A1 (fr)
CA (1) CA1174461A (fr)
ZA (1) ZA815254B (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5071486A (en) * 1986-02-06 1991-12-10 University Of Dayton Process for removing protective coatings and bonding layers from metal parts
US5133813A (en) * 1990-07-03 1992-07-28 Tokyo Heat Treating Company Ltd. Gas-carburizing process and apparatus

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB604538A (en) * 1945-11-26 1948-07-06 Gen Electric Co Ltd Improvements in or relating to the surface carburisation of steel
NO135330C (no) * 1970-11-10 1991-03-26 Rivenaes Ivar Fremgangsmaate og apparatur til rengjoering av en forbrenningsmotor eller liknende.
DE2152439C3 (de) * 1971-10-21 1978-04-27 Brown, Boveri & Cie Ag, 6800 Mannheim Verfahren und Einrichtung zur Verhinderung der Rußbildung in Aufkohlungsräumen
IT1036474B (it) * 1974-07-24 1979-10-30 Kurita Water Ind Ltd Procedimento per rimuovere incrostazioni carboniosi
DE2841626C2 (de) * 1978-09-25 1982-06-24 Brown, Boveri & Cie Ag, 6800 Mannheim Verfahren zum Entrußen von Öfen für die vollautomatische Gasaufkohlung

Also Published As

Publication number Publication date
EP0047067A1 (fr) 1982-03-10
ZA815254B (en) 1982-08-25

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Legal Events

Date Code Title Description
MKEX Expiry
MKEX Expiry

Effective date: 20010918