GB2145503B - Process of producing protective atmosphere in heat treatment furnaces and ovens - Google Patents

Process of producing protective atmosphere in heat treatment furnaces and ovens

Info

Publication number
GB2145503B
GB2145503B GB08322680A GB8322680A GB2145503B GB 2145503 B GB2145503 B GB 2145503B GB 08322680 A GB08322680 A GB 08322680A GB 8322680 A GB8322680 A GB 8322680A GB 2145503 B GB2145503 B GB 2145503B
Authority
GB
United Kingdom
Prior art keywords
ovens
heat treatment
protective atmosphere
treatment furnaces
producing protective
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
GB08322680A
Other versions
GB8322680D0 (en
GB2145503A (en
Inventor
Ivor Lawrence Sudney Golding
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.)
GOLDING IVOR LAWRENCE SYDNEY
Original Assignee
GOLDING IVOR LAWRENCE SYDNEY
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 GOLDING IVOR LAWRENCE SYDNEY filed Critical GOLDING IVOR LAWRENCE SYDNEY
Priority to GB08322680A priority Critical patent/GB2145503B/en
Publication of GB8322680D0 publication Critical patent/GB8322680D0/en
Publication of GB2145503A publication Critical patent/GB2145503A/en
Application granted granted Critical
Publication of GB2145503B publication Critical patent/GB2145503B/en
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
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
    • F27B9/04—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity adapted for treating the charge in vacuum or special atmosphere
    • F27B9/045—Furnaces with controlled 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
    • F27D7/00—Forming, maintaining, or circulating atmospheres in heating chambers
    • F27D7/02—Supplying steam, vapour, gases, or liquids

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)
  • Tunnel Furnaces (AREA)
  • Furnace Details (AREA)
GB08322680A 1983-08-24 1983-08-24 Process of producing protective atmosphere in heat treatment furnaces and ovens Expired GB2145503B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08322680A GB2145503B (en) 1983-08-24 1983-08-24 Process of producing protective atmosphere in heat treatment furnaces and ovens

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08322680A GB2145503B (en) 1983-08-24 1983-08-24 Process of producing protective atmosphere in heat treatment furnaces and ovens

Publications (3)

Publication Number Publication Date
GB8322680D0 GB8322680D0 (en) 1983-09-28
GB2145503A GB2145503A (en) 1985-03-27
GB2145503B true GB2145503B (en) 1987-03-11

Family

ID=10547751

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08322680A Expired GB2145503B (en) 1983-08-24 1983-08-24 Process of producing protective atmosphere in heat treatment furnaces and ovens

Country Status (1)

Country Link
GB (1) GB2145503B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3808146A1 (en) * 1988-03-11 1989-09-21 Messer Griesheim Gmbh METHOD FOR PRODUCING A PROTECTIVE GAS FOR THE HEAT TREATMENT OF IRON AND NON-FERROUS METALS
JP3792369B2 (en) * 1997-09-19 2006-07-05 ジャパン・エア・ガシズ株式会社 Heat treatment atmosphere generator

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB573022A (en) * 1941-10-01 1945-11-02 Westinghouse Electric Int Co Improved method of reducing molybdenum trioxide to molybdenum
GB654537A (en) * 1948-07-28 1951-06-20 Birlec Ltd Improvements in, or relating to, the decarburisation of iron or iron alloy castings
GB902856A (en) * 1960-03-25 1962-08-09 Ass Elect Ind Improvements relating to apparatus for the preparation of cooled combustion gases especially for use in metallurgical and other processes
GB923813A (en) * 1960-04-05 1963-04-18 Ind Plant Comb Ltd Improvements in or relating to the calcining of limestone and like materials
DE1236542B (en) * 1962-05-02 1967-03-16 Matthias Ludwig Industrieofenb Furnace for annealing castings
GB1509505A (en) * 1976-05-14 1978-05-04 Vnii Gornospasate Vapour-gas mixture generating installation for extinguishing fires

Also Published As

Publication number Publication date
GB8322680D0 (en) 1983-09-28
GB2145503A (en) 1985-03-27

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19960824