AU3857299A - A direct-heated furnace and a method of reheating steel semis - Google Patents

A direct-heated furnace and a method of reheating steel semis

Info

Publication number
AU3857299A
AU3857299A AU38572/99A AU3857299A AU3857299A AU 3857299 A AU3857299 A AU 3857299A AU 38572/99 A AU38572/99 A AU 38572/99A AU 3857299 A AU3857299 A AU 3857299A AU 3857299 A AU3857299 A AU 3857299A
Authority
AU
Australia
Prior art keywords
semis
direct
heated furnace
reheating steel
reheating
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.)
Abandoned
Application number
AU38572/99A
Other languages
English (en)
Inventor
Roland Niemi
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.)
Niemi Goran
Original Assignee
GORAN NIEMI
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 GORAN NIEMI filed Critical GORAN NIEMI
Publication of AU3857299A publication Critical patent/AU3857299A/en
Abandoned 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
    • 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)
  • 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)
  • Heat Treatment Of Strip Materials And Filament Materials (AREA)
AU38572/99A 1998-04-07 1999-04-06 A direct-heated furnace and a method of reheating steel semis Abandoned AU3857299A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SE9801260A SE9801260L (sv) 1998-04-07 1998-04-07 Direkteldad ugn och sätt att återuppvärma stålämnen
SE9801260 1998-04-07
PCT/SE1999/000557 WO1999051786A1 (en) 1998-04-07 1999-04-06 A direct-heated furnace and a method of reheating steel semis

Publications (1)

Publication Number Publication Date
AU3857299A true AU3857299A (en) 1999-10-25

Family

ID=20410921

Family Applications (1)

Application Number Title Priority Date Filing Date
AU38572/99A Abandoned AU3857299A (en) 1998-04-07 1999-04-06 A direct-heated furnace and a method of reheating steel semis

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
SE9801260L (sv) 1999-07-12
WO1999051786A1 (en) 1999-10-14
SE9801260D0 (sv) 1998-04-07

Similar Documents

Publication Publication Date Title
AU3966897A (en) Improved metal can and method of making
AU7616300A (en) Refractory nzp-type structures and method of making and using same
AU7150898A (en) Valve metal compositions and method
AU2001282571A1 (en) Waste-gasified fusion furnace and method of operating the fusion furnace
AU4847597A (en) Furnace gas pyrometer
EP1029931A4 (en) METHOD FOR HANDLING A BLAST FURNACE
AU3628997A (en) Method of forming a metal sheet and panel comprising such a sheet
AU2157999A (en) Method for pickling and passivating special steel
AU1605997A (en) Steel-making method and plant
ZA982699B (en) Rotary hearth furnace and method of operating the same
AU3449099A (en) Off-gas hood for a basic oxygen furnace and method of repair
AU3328497A (en) Method for producing a reducing gas serving for the reduction of metal ore
AU683745B2 (en) Steel pin and method for its manufacturing
AU3466597A (en) Metal reduction and melting process
AU4439999A (en) Metal yo-yo and method for manufacture
AU2101199A (en) Composition and process for treating a metal surface
AU7940998A (en) Building brick and method for building with a building brick of this nature
AU2842400A (en) Metal forming apparatus and method of use
AU3857299A (en) A direct-heated furnace and a method of reheating steel semis
AU1081197A (en) Molten metal reactor and process
AU2759400A (en) Method for maintenance and selection of episomes
AU3328397A (en) Method for producing a reducing gas serving for the reduction of metal ore
AU4039595A (en) Burner block and method for furnace
AU4153199A (en) A gas burner and a method of its use
AU2000257989A1 (en) Furnace crown and method for its construction

Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase