ZA98384B - Method of producing a foamy slag layer in an electric arc furnace - Google Patents

Method of producing a foamy slag layer in an electric arc furnace

Info

Publication number
ZA98384B
ZA98384B ZA98384A ZA98384A ZA98384B ZA 98384 B ZA98384 B ZA 98384B ZA 98384 A ZA98384 A ZA 98384A ZA 98384 A ZA98384 A ZA 98384A ZA 98384 B ZA98384 B ZA 98384B
Authority
ZA
South Africa
Prior art keywords
producing
electric arc
arc furnace
slag layer
foamy slag
Prior art date
Application number
ZA98384A
Other languages
English (en)
Inventor
Donald Prentice Satchell
Original Assignee
Boc Group Inc
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 Boc Group Inc filed Critical Boc Group Inc
Publication of ZA98384B publication Critical patent/ZA98384B/xx

Links

Classifications

    • 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
    • F27B3/00—Hearth-type furnaces, e.g. of reverberatory type; Electric arc furnaces ; Tank furnaces
    • F27B3/10—Details, accessories or equipment, e.g. dust-collectors, specially adapted for hearth-type furnaces
    • F27B3/20—Arrangements of heating devices
    • F27B3/205—Burners
    • 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
    • C21C5/38—Removal of waste gases or dust
    • C21C5/40—Offtakes or separating apparatus for converter waste gases or dust
    • 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
    • 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
    • F27D3/00—Charging; Discharging; Manipulation of charge
    • F27D3/18—Charging particulate material using a fluid carrier
    • 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
    • C21C2300/00—Process aspects
    • C21C2300/02—Foam creation
    • 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
    • Y02P10/10—Reduction of greenhouse gas [GHG] emissions
    • Y02P10/143—Reduction of greenhouse gas [GHG] emissions of methane [CH4]
    • 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
    • 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
    • Y02P10/25—Process efficiency

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Vertical, Hearth, Or Arc Furnaces (AREA)
  • Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
ZA98384A 1997-01-29 1998-01-16 Method of producing a foamy slag layer in an electric arc furnace ZA98384B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US79094897A 1997-01-29 1997-01-29

Publications (1)

Publication Number Publication Date
ZA98384B true ZA98384B (en) 1998-07-30

Family

ID=25152208

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA98384A ZA98384B (en) 1997-01-29 1998-01-16 Method of producing a foamy slag layer in an electric arc furnace

Country Status (8)

Country Link
EP (1) EP0857792A1 (de)
CN (1) CN1195705A (de)
AU (1) AU5271298A (de)
CZ (1) CZ18198A3 (de)
ID (1) ID19757A (de)
PL (1) PL324544A1 (de)
SK (1) SK9198A3 (de)
ZA (1) ZA98384B (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2780070B1 (fr) * 1998-06-22 2001-06-08 Elf Antar France Procede de moussage d'un laitier recouvrant un bain d'acier en fusion

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4447265A (en) * 1983-06-27 1984-05-08 Schwer John W Method and composition for foaming slag in electric arc furnace
AT396942B (de) * 1991-12-16 1993-12-27 Voest Alpine Ind Anlagen Verfahren zum herstellen von metallschmelzen, insbesondere stahlschmelzen
ATA155793A (de) * 1993-08-04 1996-04-15 Voest Alpine Ind Anlagen Verfahren zum herstellen einer metallschmelze und anlage zur durchführung des verfahrens
DE4425089C1 (de) * 1994-07-15 1996-01-11 Hamburger Stahlwerke Gmbh Verfahren zur Steuerung der Schaumschlackebildung im Drehstromlichtbogenofen
EP0753586A2 (de) * 1995-06-16 1997-01-15 ELTI S.r.l. Verfahren zur Stahlherstellung, insbesonder unter Verwendung von Elektroöfen

Also Published As

Publication number Publication date
CN1195705A (zh) 1998-10-14
CZ18198A3 (cs) 1999-09-15
SK9198A3 (en) 1999-01-11
AU5271298A (en) 1998-08-06
EP0857792A1 (de) 1998-08-12
PL324544A1 (en) 1998-08-03
ID19757A (id) 1998-07-30

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