IT1308183B1 - Composizione capace di ostacolare la formazione di ossidi di ferro inscorie di fusione dell'acciaio e procedimento per ottenere scorie a - Google Patents

Composizione capace di ostacolare la formazione di ossidi di ferro inscorie di fusione dell'acciaio e procedimento per ottenere scorie a

Info

Publication number
IT1308183B1
IT1308183B1 ITMI990286A IT1308183B1 IT 1308183 B1 IT1308183 B1 IT 1308183B1 IT MI990286 A ITMI990286 A IT MI990286A IT 1308183 B1 IT1308183 B1 IT 1308183B1
Authority
IT
Italy
Prior art keywords
obstaculating
scorie
procedure
obtaining
formation
Prior art date
Application number
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
Priority to IT1999MI000286 priority Critical patent/IT1308183B1/it
Priority to DE2000606596 priority patent/DE60006596T2/de
Priority to ES00200434T priority patent/ES2209757T3/es
Priority to AT00200434T priority patent/ATE254670T1/de
Priority to EP20000200434 priority patent/EP1028166B1/en
Publication of ITMI990286A1 publication Critical patent/ITMI990286A1/it
Application granted granted Critical
Publication of IT1308183B1 publication Critical patent/IT1308183B1/it

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)
  • Mold Materials And Core Materials (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
IT1999MI000286 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 IT1308183B1 (it)

Priority Applications (5)

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
DE2000606596 DE60006596T2 (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
ES00200434T ES2209757T3 (es) 1999-02-12 2000-02-09 Composicion para reducir la formacion de oxidos de hierro en la fundicion de acero y procedimiento de fabricacion de acero a partir de chatarra en un horno de arco electrico utilizando dicha composicion.
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
EP20000200434 EP1028166B1 (en) 1999-02-12 2000-02-09 Composition for hindering the formation of iron oxides in steel-melting slag and EAF scrap- based steelmaking process using the same

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 (2)

Publication Number Publication Date
ITMI990286A1 ITMI990286A1 (it) 2000-08-12
IT1308183B1 true IT1308183B1 (it) 2001-12-07

Family

ID=11381874

Family Applications (1)

Application Number Title Priority Date Filing Date
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

Country Status (5)

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

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
ES2209757T3 (es) 2004-07-01
EP1028166A3 (en) 2000-11-02
ATE254670T1 (de) 2003-12-15
EP1028166B1 (en) 2003-11-19
DE60006596D1 (de) 2003-12-24
ITMI990286A1 (it) 2000-08-12
DE60006596T2 (de) 2004-09-23
EP1028166A2 (en) 2000-08-16

Similar Documents

Publication Publication Date Title
ES2189224T3 (es) Procedimiento de fabricacion de hierro y de acero.
AU586091B2 (en) Exothermic compositions
EP1063035A4 (en) POWDER FOR CONTINUOUS CASTING MOLDING AND CONTINUOUS CASTING MOLDING METHOD
BR0003486A (pt) Processo de redução direta para produzir ferro fundido e/ou ligas de ferro a partir de um material de alimentação metalìfero
BR0211944B1 (pt) método de produção de um briquete de minério de ferro e briquete queimado produzido por tal método.
DE50208230D1 (de) Kaltarbeitsstahllegierung zur pulvermetallurgischen Herstellung von Teilen
BR0105935A (pt) Método para produzir ferro metálico fundido
ES8505906A1 (es) Procedimiento para la obtencion de un refractario de alta resistencia a la accion de las aleaciones de aluminio fundido
FR2372128A1 (it)
TW325500B (en) Process of smelting steel by calcium addition twice
IT1308183B1 (it) Composizione capace di ostacolare la formazione di ossidi di ferro inscorie di fusione dell'acciaio e procedimento per ottenere scorie a
UA11042A (uk) Спосіб безперервhої виплавки сталі
SE9802418D0 (sv) Alloy
BR0012189A (pt) Processo de produção de ferro fundido lìquido
DE60104109D1 (de) Zusammensetzung zur Verringerung der Eisenoxidbildung in Schlacken von Stahlschmelzen und Verfahren zur Herstellung einer Schlacke mit niedrigem Eisenoxidgehalt
SU834142A1 (ru) Флюс дл основного сталеплавильногопРОцЕССА
JPS5547310A (en) Flux for molten slag for use of ladle for blast furnace iron
JPH0225689A (ja) 電炉スラグの処理方法
JPS6465049A (en) Slag molded body and production thereof
Xu Application of Magnesia--Carbon Bricks to 300 t LD Converters at Shanghai Baoshan Iron and Steel Works
RU97103538A (ru) Керамическая композиция для изготовления стеновых и огнеупорных изделий
MX9602907A (es) Proceso para fabricar un acondicionador de escoriade hornos electricos de arco y hornos olla a base de vermiculita y dolomita.
Shi Revamping of water cooled furnace lid and furnace wall of 30 t EAF
JPS6436744A (en) Product and material reinforced by distributing metallic nitrogen compound into total area of copper titanium, aluminum, magnesium as well as alloy of these metallic groups and normal cast iron
YU12302A (sh) Postupak proizvodnje jednog termoakumulacionog bloka za termoakumulacionu peć