ES8606506A1 - Un procedimiento para la produccion de acero - Google Patents
Un procedimiento para la produccion de aceroInfo
- Publication number
- ES8606506A1 ES8606506A1 ES541216A ES541216A ES8606506A1 ES 8606506 A1 ES8606506 A1 ES 8606506A1 ES 541216 A ES541216 A ES 541216A ES 541216 A ES541216 A ES 541216A ES 8606506 A1 ES8606506 A1 ES 8606506A1
- Authority
- ES
- Spain
- Prior art keywords
- decarburization
- steelmaking process
- injection
- rapid decarburization
- oxygen
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired
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
- C21C5/28—Manufacture of steel in the converter
- C21C5/30—Regulating or controlling the blowing
- C21C5/35—Blowing from above and through the 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
- 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
- C21C7/068—Decarburising
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Treatment Of Steel In Its Molten State (AREA)
- Carbon Steel Or Casting Steel Manufacturing (AREA)
- Heat Treatment Of Steel (AREA)
- Coating With Molten Metal (AREA)
- Forging (AREA)
- General Factory Administration (AREA)
Abstract
UN PROCEDIMIENTO PARA LA DESCARBURACION DE UNA MASA FUNDIDA DE ACERO. COMPRENDE LAS SIGUIENTES OPERACIONES: PRIMERA, DISPONER UN BAÑO DE METAL FUNDIDO CON UN CONTENIDO DE CARBONO DE AL MENOS 1% EN PESO; SEGUNDA, INYECTAR OXIGENO Y CAL PULVERIZADA DENTRO DE DICHO BAÑO DESDE POR ENCIMA DE SU SUPERFICIE MIENTRAS QUE SE INYECTA SIMULTANEAMENTE OXIGENO Y GAS INERTE DENTRO DE DICHA MASA FUNDIDA DESDE POR DEBAJO DE LA SUPERFICIE; TERCERA, HACER CESAR LA INYECCION SUPERIOR; CUARTA, INYECTAR OXIGENO Y GAS INERTE DENTRO DE LA MASA FUNDIDA PARA DESCARBURARLA HASTA QUE SE ALCANCE EL CONTENIDO DE CARBONO OBJETIVO. DE APLICACION EN COLADAS EN SECUENCIA EN MINIACERIAS.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/589,469 US4488903A (en) | 1984-03-14 | 1984-03-14 | Rapid decarburization steelmaking process |
Publications (2)
Publication Number | Publication Date |
---|---|
ES541216A0 ES541216A0 (es) | 1986-04-01 |
ES8606506A1 true ES8606506A1 (es) | 1986-04-01 |
Family
ID=24358148
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES541216A Expired ES8606506A1 (es) | 1984-03-14 | 1985-03-13 | Un procedimiento para la produccion de acero |
Country Status (11)
Country | Link |
---|---|
US (1) | US4488903A (es) |
EP (1) | EP0159517B1 (es) |
KR (1) | KR900002710B1 (es) |
AT (1) | ATE46365T1 (es) |
BR (1) | BR8501126A (es) |
CA (1) | CA1236979A (es) |
DD (1) | DD232312A5 (es) |
DE (1) | DE3572996D1 (es) |
ES (1) | ES8606506A1 (es) |
IN (1) | IN161785B (es) |
ZA (1) | ZA851896B (es) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3434894C2 (de) * | 1984-09-22 | 1986-09-18 | Thyssen Stahl AG, 4100 Duisburg | Verfahren zum Frischen von Roheisen |
US4599107A (en) * | 1985-05-20 | 1986-07-08 | Union Carbide Corporation | Method for controlling secondary top-blown oxygen in subsurface pneumatic steel refining |
DE102007050478A1 (de) * | 2007-10-23 | 2009-04-30 | Sms Demag Ag | Verfahren zur Rostfreistahlerzeugung mit Direktreduktionsöfen für Ferrochrom und Ferronickel auf der Primärseite eines Konverters |
JP5999157B2 (ja) * | 2013-10-02 | 2016-09-28 | Jfeスチール株式会社 | 転炉での溶銑の精錬方法 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB822271A (en) * | 1956-10-19 | 1959-10-21 | A R B E D Acieries Reunies De | Improvements in or relating to the manufacture of steel |
AT337736B (de) * | 1973-02-12 | 1977-07-11 | Voest Ag | Verfahren zum frischen von roheisen |
US3854932A (en) * | 1973-06-18 | 1974-12-17 | Allegheny Ludlum Ind Inc | Process for production of stainless steel |
US4210442A (en) * | 1979-02-07 | 1980-07-01 | Union Carbide Corporation | Argon in the basic oxygen process to control slopping |
US4280838A (en) * | 1979-05-24 | 1981-07-28 | Sumitomo Metal Industries, Ltd. | Production of carbon steel and low-alloy steel with bottom blowing basic oxygen furnace |
JPS5623215A (en) * | 1979-08-02 | 1981-03-05 | Nippon Kokan Kk <Nkk> | Converter steel making method |
DE2931957A1 (de) * | 1979-08-07 | 1981-02-12 | Maximilianshuette Eisenwerk | Verfahren zur herstellung von stahl mit niedrigem wasserstoffgehalt in einem sauerstoffdurchblaskonverter |
ATE5202T1 (de) * | 1979-12-11 | 1983-11-15 | Eisenwerk-Gesellschaft Maximilianshuette Mbh | Stahlerzeugungsverfahren. |
US4278464A (en) * | 1979-12-27 | 1981-07-14 | Union Carbide Corporation | Method for preventing slopping during subsurface pneumatic refining of steel |
LU82069A1 (fr) * | 1980-01-09 | 1981-09-10 | Arbed | Procede d'affinage d'un bain de metal |
US4302244A (en) * | 1980-07-18 | 1981-11-24 | Pennsylvania Engineering Corporation | Steel conversion method |
US4365992A (en) * | 1981-08-20 | 1982-12-28 | Pennsylvania Engineering Corporation | Method of treating ferrous metal |
-
1984
- 1984-03-14 US US06/589,469 patent/US4488903A/en not_active Expired - Fee Related
- 1984-11-13 IN IN861/DEL/84A patent/IN161785B/en unknown
-
1985
- 1985-03-01 CA CA000475573A patent/CA1236979A/en not_active Expired
- 1985-03-13 DD DD85274093A patent/DD232312A5/de not_active IP Right Cessation
- 1985-03-13 ES ES541216A patent/ES8606506A1/es not_active Expired
- 1985-03-13 BR BR8501126A patent/BR8501126A/pt not_active IP Right Cessation
- 1985-03-13 KR KR1019850001602A patent/KR900002710B1/ko not_active IP Right Cessation
- 1985-03-13 AT AT85102887T patent/ATE46365T1/de not_active IP Right Cessation
- 1985-03-13 EP EP85102887A patent/EP0159517B1/en not_active Expired
- 1985-03-13 DE DE8585102887T patent/DE3572996D1/de not_active Expired
- 1985-03-13 ZA ZA851896A patent/ZA851896B/xx unknown
Also Published As
Publication number | Publication date |
---|---|
BR8501126A (pt) | 1985-11-05 |
ES541216A0 (es) | 1986-04-01 |
US4488903A (en) | 1984-12-18 |
IN161785B (es) | 1988-02-06 |
CA1236979A (en) | 1988-05-24 |
DD232312A5 (de) | 1986-01-22 |
KR850007089A (ko) | 1985-10-30 |
ZA851896B (en) | 1985-10-30 |
ATE46365T1 (de) | 1989-09-15 |
KR900002710B1 (ko) | 1990-04-23 |
DE3572996D1 (en) | 1989-10-19 |
EP0159517A1 (en) | 1985-10-30 |
EP0159517B1 (en) | 1989-09-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FD1A | Patent lapsed |
Effective date: 19970612 |