AU3857299A - A direct-heated furnace and a method of reheating steel semis - Google Patents
A direct-heated furnace and a method of reheating steel semisInfo
- 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
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)
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)
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 |
-
1998
- 1998-04-07 SE SE9801260A patent/SE9801260L/sv not_active IP Right Cessation
-
1999
- 1999-04-06 AU AU38572/99A patent/AU3857299A/en not_active Abandoned
- 1999-04-06 WO PCT/SE1999/000557 patent/WO1999051786A1/en active Application Filing
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 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MK6 | Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase |