WO2000036161A3 - Procede pour l'enfournement de fines dans un four a arc - Google Patents
Procede pour l'enfournement de fines dans un four a arcInfo
- Publication number
- WO2000036161A3 WO2000036161A3 PCT/EP1999/009923 EP9909923W WO0036161A3 WO 2000036161 A3 WO2000036161 A3 WO 2000036161A3 EP 9909923 W EP9909923 W EP 9909923W WO 0036161 A3 WO0036161 A3 WO 0036161A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- fines
- light
- arc furnace
- feeding
- jet
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
- C21B13/0006—Making spongy iron or liquid steel, by direct processes obtaining iron or steel in a molten state
- C21B13/0026—Making spongy iron or liquid steel, by direct processes obtaining iron or steel in a molten state introduction of iron oxide in the flame of a burner or a hot gas stream
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
- C21B13/12—Making spongy iron or liquid steel, by direct processes in electric furnaces
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
- C21B13/14—Multi-stage processes processes carried out in different vessels or furnaces
- C21B13/143—Injection of partially reduced ore into a molten bath
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
- C21C5/28—Manufacture of steel in the converter
- C21C5/42—Constructional features of converters
- C21C5/46—Details or accessories
- C21C5/4606—Lances or injectors
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
- C21C5/52—Manufacture of steel in electric furnaces
- C21C5/5211—Manufacture of steel in electric furnaces in an alternating current [AC] electric arc furnace
- C21C5/5217—Manufacture of steel in electric furnaces in an alternating current [AC] electric arc furnace equipped with burners or devices for injecting gas, i.e. oxygen, or pulverulent materials into the furnace
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
- Furnace Charging Or Discharging (AREA)
Abstract
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU32756/00A AU3275600A (en) | 1998-12-16 | 1999-12-14 | Method for feeding fines in a light-arc furnace |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
LU90327 | 1998-12-16 | ||
LU90327A LU90327B1 (fr) | 1998-12-16 | 1998-12-16 | Proc-d- pour l'enfournement de fines dans un four - arc |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2000036161A2 WO2000036161A2 (fr) | 2000-06-22 |
WO2000036161A3 true WO2000036161A3 (fr) | 2000-08-31 |
Family
ID=19731788
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP1999/009923 WO2000036161A2 (fr) | 1998-12-16 | 1999-12-14 | Procede pour l'enfournement de fines dans un four a arc |
Country Status (4)
Country | Link |
---|---|
AU (1) | AU3275600A (fr) |
LU (1) | LU90327B1 (fr) |
TW (1) | TW414853B (fr) |
WO (1) | WO2000036161A2 (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10333764B3 (de) * | 2003-07-23 | 2004-12-30 | Outokumpu Oy | Verfahren zum Chargieren von feinkörnigen Metallen in einen Elektrolichtbogenofen |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4827486A (en) * | 1986-08-27 | 1989-05-02 | Klockner Cra Technologie Gmbh | Process for increasing the energy input in electric arc furnaces |
US4986847A (en) * | 1989-09-20 | 1991-01-22 | Fuchs Systemtechnik Gmbh | Process and apparatus for at least temporarily simultaneously subjecting a molten metal to the action of a gas and fine-grain solid materials |
US5611838A (en) * | 1993-12-10 | 1997-03-18 | Voest-Alpine Industrieanlagenbau Gmbh | Process for producing an iron melt |
DE19648306A1 (de) * | 1995-12-21 | 1997-06-26 | Voest Alpine Ind Anlagen | Verfahren zum Verarbeiten einer Schredder-Leicht-Fraktion in einer Schmelze |
US5843368A (en) * | 1994-08-29 | 1998-12-01 | American Combustion, Inc. | Apparatus for electric steelmaking |
DE19744151A1 (de) * | 1997-10-07 | 1999-04-08 | Metallgesellschaft Ag | Verfahren zum Schmelzen von feinkörnigem, direkt reduziertem Eisen in einem Elektrolichtbogenofen |
-
1998
- 1998-12-16 LU LU90327A patent/LU90327B1/fr active
-
1999
- 1999-03-03 TW TW088103222A patent/TW414853B/zh active
- 1999-12-14 AU AU32756/00A patent/AU3275600A/en not_active Abandoned
- 1999-12-14 WO PCT/EP1999/009923 patent/WO2000036161A2/fr active Application Filing
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4827486A (en) * | 1986-08-27 | 1989-05-02 | Klockner Cra Technologie Gmbh | Process for increasing the energy input in electric arc furnaces |
US4986847A (en) * | 1989-09-20 | 1991-01-22 | Fuchs Systemtechnik Gmbh | Process and apparatus for at least temporarily simultaneously subjecting a molten metal to the action of a gas and fine-grain solid materials |
US5611838A (en) * | 1993-12-10 | 1997-03-18 | Voest-Alpine Industrieanlagenbau Gmbh | Process for producing an iron melt |
US5843368A (en) * | 1994-08-29 | 1998-12-01 | American Combustion, Inc. | Apparatus for electric steelmaking |
DE19648306A1 (de) * | 1995-12-21 | 1997-06-26 | Voest Alpine Ind Anlagen | Verfahren zum Verarbeiten einer Schredder-Leicht-Fraktion in einer Schmelze |
DE19744151A1 (de) * | 1997-10-07 | 1999-04-08 | Metallgesellschaft Ag | Verfahren zum Schmelzen von feinkörnigem, direkt reduziertem Eisen in einem Elektrolichtbogenofen |
Also Published As
Publication number | Publication date |
---|---|
AU3275600A (en) | 2000-07-03 |
TW414853B (en) | 2000-12-11 |
LU90327B1 (fr) | 2000-07-18 |
WO2000036161A2 (fr) | 2000-06-22 |
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