LU90327B1 - Proc-d- pour l'enfournement de fines dans un four - arc - Google Patents

Proc-d- pour l'enfournement de fines dans un four - arc

Info

Publication number
LU90327B1
LU90327B1 LU90327A LU90327A LU90327B1 LU 90327 B1 LU90327 B1 LU 90327B1 LU 90327 A LU90327 A LU 90327A LU 90327 A LU90327 A LU 90327A LU 90327 B1 LU90327 B1 LU 90327B1
Authority
LU
Luxembourg
Prior art keywords
fines
proc
furnace
arc
placing
Prior art date
Application number
LU90327A
Other languages
English (en)
Inventor
Jean-Luc Roth
Leon Ulveling
Carlo Heintz
Original Assignee
Wurth Paul Sa
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 Wurth Paul Sa filed Critical Wurth Paul Sa
Priority to LU90327A priority Critical patent/LU90327B1/fr
Priority to TW088103222A priority patent/TW414853B/zh
Priority to AU32756/00A priority patent/AU3275600A/en
Priority to PCT/EP1999/009923 priority patent/WO2000036161A2/fr
Application granted granted Critical
Publication of LU90327B1 publication Critical patent/LU90327B1/fr

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)
LU90327A 1998-12-16 1998-12-16 Proc-d- pour l'enfournement de fines dans un four - arc LU90327B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
LU90327A LU90327B1 (fr) 1998-12-16 1998-12-16 Proc-d- pour l'enfournement de fines dans un four - arc
TW088103222A TW414853B (en) 1998-12-16 1999-03-03 Method for charging an arc furnace fines
AU32756/00A AU3275600A (en) 1998-12-16 1999-12-14 Method for feeding fines in a light-arc furnace
PCT/EP1999/009923 WO2000036161A2 (fr) 1998-12-16 1999-12-14 Procede pour l'enfournement de fines dans un four a arc

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
LU90327A LU90327B1 (fr) 1998-12-16 1998-12-16 Proc-d- pour l'enfournement de fines dans un four - arc

Publications (1)

Publication Number Publication Date
LU90327B1 true LU90327B1 (fr) 2000-07-18

Family

ID=19731788

Family Applications (1)

Application Number Title Priority Date Filing Date
LU90327A LU90327B1 (fr) 1998-12-16 1998-12-16 Proc-d- pour l'enfournement de fines dans un four - 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)

* Cited by examiner, † Cited by third party
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 (5)

* Cited by examiner, † Cited by third party
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
DE19744151A1 (de) * 1997-10-07 1999-04-08 Metallgesellschaft Ag Verfahren zum Schmelzen von feinkörnigem, direkt reduziertem Eisen in einem Elektrolichtbogenofen

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5714113A (en) * 1994-08-29 1998-02-03 American Combustion, Inc. Apparatus for electric steelmaking

Patent Citations (5)

* Cited by examiner, † Cited by third party
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
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
TW414853B (en) 2000-12-11
AU3275600A (en) 2000-07-03
WO2000036161A3 (fr) 2000-08-31
WO2000036161A2 (fr) 2000-06-22

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