SE9801260L - Direkteldad ugn och sätt att återuppvärma stålämnen - Google Patents

Direkteldad ugn och sätt att återuppvärma stålämnen

Info

Publication number
SE9801260L
SE9801260L SE9801260A SE9801260A SE9801260L SE 9801260 L SE9801260 L SE 9801260L SE 9801260 A SE9801260 A SE 9801260A SE 9801260 A SE9801260 A SE 9801260A SE 9801260 L SE9801260 L SE 9801260L
Authority
SE
Sweden
Prior art keywords
oven
direct
ways
steel material
steel materials
Prior art date
Application number
SE9801260A
Other languages
Unknown language ( )
English (en)
Other versions
SE510931C2 (sv
SE9801260D0 (sv
Inventor
Roland Niemi
Original Assignee
Roland Niemi
Niemi Goeran
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 Roland Niemi, Niemi Goeran filed Critical Roland Niemi
Priority to SE9801260A priority Critical patent/SE9801260L/sv
Publication of SE9801260D0 publication Critical patent/SE9801260D0/sv
Priority to PCT/SE1999/000557 priority patent/WO1999051786A1/en
Priority to AU38572/99A priority patent/AU3857299A/en
Publication of SE510931C2 publication Critical patent/SE510931C2/sv
Publication of SE9801260L publication Critical patent/SE9801260L/sv

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
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/0081—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for slabs; for billets
    • 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
    • F27B9/02—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity of multiple-track type; of multiple-chamber type; Combinations of furnaces
    • F27B9/028—Multi-chamber type furnaces
    • 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
    • F27D1/00—Casings; Linings; Walls; Roofs
    • F27D1/18—Door frames; Doors, lids, removable covers
    • F27D1/1858—Doors
    • 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
    • F27B9/047—Furnaces with controlled atmosphere the atmosphere consisting of protective gases
    • 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
    • F27B9/06—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity heated without contact between combustion gases and charge; electrically heated
    • F27B9/068—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity heated without contact between combustion gases and charge; electrically heated heated by radiant tubes, the tube being heated by a hot medium, e.g. hot gases
    • 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
    • F27B9/14—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment
    • F27B9/20—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment the charge moving in a substantially straight path tunnel furnace
    • F27B9/201—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment the charge moving in a substantially straight path tunnel furnace walking beam furnace
    • 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
    • F27D1/00—Casings; Linings; Walls; Roofs
    • F27D1/18—Door frames; Doors, lids, removable covers
    • F27D1/1858—Doors
    • F27D2001/1875—Hanging doors and walls

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Heat Treatment Of Strip Materials And Filament Materials (AREA)
  • Tunnel Furnaces (AREA)
SE9801260A 1998-04-07 1998-04-07 Direkteldad ugn och sätt att återuppvärma stålämnen SE9801260L (sv)

Priority Applications (3)

Application Number Priority Date Filing Date Title
SE9801260A SE9801260L (sv) 1998-04-07 1998-04-07 Direkteldad ugn och sätt att återuppvärma stålämnen
PCT/SE1999/000557 WO1999051786A1 (en) 1998-04-07 1999-04-06 A direct-heated furnace and a method of reheating steel semis
AU38572/99A AU3857299A (en) 1998-04-07 1999-04-06 A direct-heated furnace and a method of reheating steel semis

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9801260A SE9801260L (sv) 1998-04-07 1998-04-07 Direkteldad ugn och sätt att återuppvärma stålämnen

Publications (3)

Publication Number Publication Date
SE9801260D0 SE9801260D0 (sv) 1998-04-07
SE510931C2 SE510931C2 (sv) 1999-07-12
SE9801260L true SE9801260L (sv) 1999-07-12

Family

ID=20410921

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9801260A SE9801260L (sv) 1998-04-07 1998-04-07 Direkteldad ugn och sätt att återuppvärma stålämnen

Country Status (3)

Country Link
AU (1) AU3857299A (sv)
SE (1) SE9801260L (sv)
WO (1) WO1999051786A1 (sv)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1808152A (en) * 1925-08-06 1931-06-02 Thaddeus F Baily Continuous annealing apparatus
FR1561203A (sv) * 1967-12-20 1969-03-28
JPS57192215A (en) * 1981-05-21 1982-11-26 Ishikawajima Harima Heavy Ind Co Ltd Metal-heating oven
JPS6127485A (ja) * 1984-07-17 1986-02-06 中外炉工業株式会社 連続式雰囲気熱処理炉
JPS6173819A (ja) * 1984-09-17 1986-04-16 Ito Seitetsushiyo:Kk 冷鋼片、熱鋼片の均熱処理装置

Also Published As

Publication number Publication date
SE510931C2 (sv) 1999-07-12
WO1999051786A1 (en) 1999-10-14
SE9801260D0 (sv) 1998-04-07
AU3857299A (en) 1999-10-25

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Legal Events

Date Code Title Description
NUG Patent has lapsed