ATE254670T1 - Zusammensetzung zur verringerung der eisenoxidbildung in schlacken von stahlschmelzen und deren verwendung beim lichtbogenofenverfahren zur herstellung von stahl aus schrott - Google Patents

Zusammensetzung zur verringerung der eisenoxidbildung in schlacken von stahlschmelzen und deren verwendung beim lichtbogenofenverfahren zur herstellung von stahl aus schrott

Info

Publication number
ATE254670T1
ATE254670T1 AT00200434T AT00200434T ATE254670T1 AT E254670 T1 ATE254670 T1 AT E254670T1 AT 00200434 T AT00200434 T AT 00200434T AT 00200434 T AT00200434 T AT 00200434T AT E254670 T1 ATE254670 T1 AT E254670T1
Authority
AT
Austria
Prior art keywords
steel
composition
scrap
slags
iron oxide
Prior art date
Application number
AT00200434T
Other languages
English (en)
Inventor
Marcello Bellicini
Original Assignee
Minerals & Metals Italia S P A
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 Minerals & Metals Italia S P A filed Critical Minerals & Metals Italia S P A
Application granted granted Critical
Publication of ATE254670T1 publication Critical patent/ATE254670T1/de

Links

Classifications

    • 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
    • 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
    • C21C5/54—Processes yielding slags of special composition
    • 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
    • C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/0087—Treatment of slags covering the steel bath, e.g. for separating slag from the molten metal
    • 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
    • C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/04—Removing impurities by adding a treating agent
    • C21C7/076—Use of slags or fluxes as treating agents
    • 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

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Analytical Chemistry (AREA)
  • Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
  • Mold Materials And Core Materials (AREA)
AT00200434T 1999-02-12 2000-02-09 Zusammensetzung zur verringerung der eisenoxidbildung in schlacken von stahlschmelzen und deren verwendung beim lichtbogenofenverfahren zur herstellung von stahl aus schrott ATE254670T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT1999MI000286 IT1308183B1 (it) 1999-02-12 1999-02-12 Composizione capace di ostacolare la formazione di ossidi di ferro inscorie di fusione dell'acciaio e procedimento per ottenere scorie a

Publications (1)

Publication Number Publication Date
ATE254670T1 true ATE254670T1 (de) 2003-12-15

Family

ID=11381874

Family Applications (1)

Application Number Title Priority Date Filing Date
AT00200434T ATE254670T1 (de) 1999-02-12 2000-02-09 Zusammensetzung zur verringerung der eisenoxidbildung in schlacken von stahlschmelzen und deren verwendung beim lichtbogenofenverfahren zur herstellung von stahl aus schrott

Country Status (5)

Country Link
EP (1) EP1028166B1 (de)
AT (1) ATE254670T1 (de)
DE (1) DE60006596T2 (de)
ES (1) ES2209757T3 (de)
IT (1) IT1308183B1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2222971T3 (es) * 2001-08-03 2005-02-16 MINERALS & METALS ITALIA S.P.A. Composicion para reducir la formacion de oxidos de hierro en la escoria de acero en fusion y procedimiento para obtener una escoria con bajo contenido de oxidos de hierro.

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1503176A (en) * 1975-07-16 1978-03-08 Foseco Int Arc steelmaking
JPS60152611A (ja) * 1984-01-18 1985-08-10 Nippon Steel Corp スラグ改質方法
JPH01139714A (ja) * 1987-11-26 1989-06-01 Meisei Kako Kk 鉄鋼精錬剤及び鉄鋼精錬方法
RU2000344C1 (ru) * 1991-12-10 1993-09-07 Геннадий Алексеевич Лазарев Св зующее дл изготовлени хромитоалюмококсовых брикетов

Also Published As

Publication number Publication date
EP1028166B1 (de) 2003-11-19
IT1308183B1 (it) 2001-12-07
EP1028166A3 (de) 2000-11-02
DE60006596D1 (de) 2003-12-24
DE60006596T2 (de) 2004-09-23
EP1028166A2 (de) 2000-08-16
ES2209757T3 (es) 2004-07-01
ITMI990286A1 (it) 2000-08-12

Similar Documents

Publication Publication Date Title
ATE229085T1 (de) Verfahren zur herstellung von eisen und stahl
HUP9902339A2 (hu) Eljárás és berendezés fém vas előállítására
MY140955A (en) Method for manufacturing titanium oxide-containing slag
DE69915432D1 (de) Verfahren zur Herstellung Kohlenstoff enthaltender Eisenoxidpellets zur Erzeugung von Eisenschwamm
ATE217351T1 (de) Verfahren und vorrichtung zur herstellung von metallischem eisen
US4528035A (en) Composition and process to create foaming slag cover for molten steel
DE60006596D1 (de) Zusammensetzung zur Verringerung der Eisenoxidbildung in Schlacken von Stahlschmelzen und deren Verwendung beim Lichtbogenofenverfahren zur Herstellung von Stahl aus Schrott
DE69917793D1 (de) Verfahren zur herstellung einer metallmasse, metallurgisches produkt und dessen verwendung
JP2000297313A (ja) フェロマンガン製造時の副成スラグの再利用方法
ATE270347T1 (de) Zusammensetzung zur verringerung der eisenoxidbildung in schlacken von stahlschmelzen und verfahren zur herstellung einer schlacke mit niedrigem eisenoxidgehalt
DE69609332D1 (de) Verwertung von schlacke
AU558863B2 (en) Producing lead from oxidic raw materials which also contain sulphur
JPH04160107A (ja) 製鋼精錬用のマンガン焼結鉱とその製造方法
JPS5919897B2 (ja) 転炉スラグの改質方法
FI69647B (fi) Foerfarande foer framstaellning och behandling av ferrokrom
SU897882A1 (ru) Способ получени малоуглеродистого ферромарганца
SU1273400A1 (ru) Способ выплавки силикомарганца
JP2000328124A (ja) シリコマンガン製造時の副成スラグの再利用方法
SE7906801L (sv) Forfarande for framstellning av rajern ur sulfidiska jernhaltiga material
JPS55158238A (en) Treatment of metallic industrial waste
Nosov et al. Application of ferruginous lime in oxygen converters
SU1339158A1 (ru) Способ выплавки марганецсодержащей стали в мартеновской печи
JPH0225689A (ja) 電炉スラグの処理方法
KR19980046775A (ko) 탄소함유 내화물 표면산화 억제용 도포재
Piret Process for the treatment of slags of electric steel furnaces

Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification

Ref document number: 1028166

Country of ref document: EP

REN Ceased due to non-payment of the annual fee