ES8703936A1 - Proceso para afino de arrabio - Google Patents
Proceso para afino de arrabioInfo
- Publication number
- ES8703936A1 ES8703936A1 ES546700A ES546700A ES8703936A1 ES 8703936 A1 ES8703936 A1 ES 8703936A1 ES 546700 A ES546700 A ES 546700A ES 546700 A ES546700 A ES 546700A ES 8703936 A1 ES8703936 A1 ES 8703936A1
- Authority
- ES
- Spain
- Prior art keywords
- hot metal
- phosphorus content
- refining
- weight
- less
- 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
- 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
- C21C7/064—Dephosphorising; Desulfurising
-
- 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
- C21C5/32—Blowing from above
Abstract
PROCEDIMIENTO PARA LA OBTENCION DE ACERO DE BAJO CONTENIDO EN FOSFORO A PARTIR DE ARRABIO DE CONTENIDO EN FOSFORO NORMAL. COMPRENDE LAS SIGUIENTES OPERACIONES: PRIMERA, SE CARGA EL METAL LIQUIDO, CON UN CONTENIDO DE FOSFORO HABITUAL Y UN CONTENIDO DE MANGANESO INFERIOR A UN 0,2% EN PESO, EN UN RECIPIENTE METALURGICO, TAL COMO UN CONVERTIDOR; SEGUNDA, A DICHO RECIPIENTE SE LE AÑADE CAL; TERCERA, SE APORTA AL METAL LIQUIDO CONTENIDO EN EL CONVERTIDOR, MEDIANTE SOPLADO POR ALTO, UN GAS DE AFINO TAL COMO OXIGENO TECNICAMENTE PURO; Y POR ULTIMO, SE INYECTA UN GAS AGITADOR INERTE EN EL METAL LIQUIDO DURANTE LA FASE DE AFINO, PARTICULARMENTE DESDE ABAJO. LA OPERACION DE AFINO DURA HASTA QUE EL CONTENIDO EN FOSFORO SEA INFERIOR A UN 0,005% EN PESO.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3434894A DE3434894C2 (de) | 1984-09-22 | 1984-09-22 | Verfahren zum Frischen von Roheisen |
CN85106853.7A CN1005276B (zh) | 1984-09-22 | 1985-09-12 | 精炼熔融金属的方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
ES546700A0 ES546700A0 (es) | 1987-03-16 |
ES8703936A1 true ES8703936A1 (es) | 1987-03-16 |
Family
ID=25742039
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES546700A Expired ES8703936A1 (es) | 1984-09-22 | 1985-09-04 | Proceso para afino de arrabio |
Country Status (14)
Country | Link |
---|---|
US (1) | US4604138A (es) |
EP (1) | EP0175924B1 (es) |
JP (1) | JPS6179709A (es) |
CN (1) | CN1005276B (es) |
AT (1) | ATE39497T1 (es) |
AU (1) | AU569412B2 (es) |
BR (1) | BR8504605A (es) |
CA (1) | CA1234989A (es) |
DE (2) | DE3434894C2 (es) |
ES (1) | ES8703936A1 (es) |
FI (1) | FI77694C (es) |
IN (1) | IN163954B (es) |
MX (1) | MX164702B (es) |
ZA (1) | ZA856561B (es) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3707696A1 (de) * | 1987-03-11 | 1988-09-22 | Thyssen Stahl Ag | Verfahren zur herstellung von ferromangan affine |
DE3931024C1 (en) * | 1989-09-16 | 1991-05-16 | Krupp Stahl Ag, 4630 Bochum, De | Steel prodn. having low phosphor content - comprises single stage process using calcium oxide saturated residual stage from porous melt |
CN100351399C (zh) * | 2001-02-07 | 2007-11-28 | 新日本制铁株式会社 | 生铁熔体脱磷的方法 |
DE10215839A1 (de) * | 2002-04-10 | 2003-11-06 | Sms Demag Ag | Verfahren und Einrichtung zum Erzeugen von C-Stählen oder nichtrostenden Stählen durch Frischen von phosphorreichem Roheisen im Elektrolichtbogen-Ofen oder im Konverter-Gefäß |
CN101007340B (zh) * | 2007-01-25 | 2010-05-19 | 鞍钢股份有限公司 | 连铸中间包减少浇余钢水的处理方法 |
JP5471151B2 (ja) * | 2009-08-18 | 2014-04-16 | Jfeスチール株式会社 | 転炉製鋼方法 |
JP2013133536A (ja) * | 2011-12-27 | 2013-07-08 | Jfe Steel Corp | 溶鋼の製造方法 |
CN113106321A (zh) * | 2021-03-16 | 2021-07-13 | 首钢集团有限公司 | 一种新型含硅超低碳钢的生产制造方法 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3714042A (en) * | 1969-03-27 | 1973-01-30 | Lubrizol Corp | Treated overbased complexes |
US3813337A (en) * | 1971-03-18 | 1974-05-28 | Atlantic Richfield Co | Metal working lubricant composition |
BE789599A (fr) * | 1971-10-01 | 1973-02-01 | Resch Werner | Procede d'affinage de fonte brute riche en phosphore |
US3929650A (en) * | 1974-03-22 | 1975-12-30 | Chevron Res | Extreme pressure agent and its preparation |
US4119549A (en) * | 1975-03-21 | 1978-10-10 | The Lubrizol Corporation | Sulfurized compositions |
US4116873A (en) * | 1975-06-09 | 1978-09-26 | Chevron Research Company | Lubricating oil composition containing Group I or Group II metal or lead sulfonates |
US4326972A (en) * | 1978-06-14 | 1982-04-27 | The Lubrizol Corporation | Concentrates, lubricant compositions and methods for improving fuel economy of internal combustion engine |
DE2842563A1 (de) * | 1978-09-27 | 1980-04-10 | Mannesmann Ag | Verfahren zur erzielung extrem niedriger phosphorgehalte |
US4264458A (en) * | 1979-04-02 | 1981-04-28 | Exxon Research & Engineering Co. | Metalworking lubricant composition |
US4334921A (en) * | 1979-04-16 | 1982-06-15 | Nippon Steel Corporation | Converter steelmaking process |
US4505830A (en) * | 1981-09-21 | 1985-03-19 | The Lubrizol Corporation | Metal working using lubricants containing basic alkali metal salts |
US4416788A (en) * | 1981-10-13 | 1983-11-22 | Atlantic Richfield Company | Metal cutting oil and method for using same |
JPS58207314A (ja) * | 1982-05-28 | 1983-12-02 | Sumitomo Metal Ind Ltd | 鋼の精錬方法 |
DE3245098C2 (de) * | 1982-12-07 | 1990-06-21 | Klöckner-Werke AG, 4100 Duisburg | Zweistufiges Verfahren zum Herstellen von hochwertigen Stählen mit extrem niedrigen P- und S-Gehalten, die im Konverter vorgeschmolzen werden |
US4488903A (en) * | 1984-03-14 | 1984-12-18 | Union Carbide Corporation | Rapid decarburization steelmaking process |
-
1984
- 1984-09-22 DE DE3434894A patent/DE3434894C2/de not_active Expired
-
1985
- 1985-08-21 DE DE8585110495T patent/DE3567031D1/de not_active Expired
- 1985-08-21 AT AT85110495T patent/ATE39497T1/de active
- 1985-08-21 EP EP85110495A patent/EP0175924B1/de not_active Expired
- 1985-08-22 AU AU46540/85A patent/AU569412B2/en not_active Ceased
- 1985-08-28 ZA ZA856561A patent/ZA856561B/xx unknown
- 1985-08-28 FI FI853294A patent/FI77694C/fi not_active IP Right Cessation
- 1985-09-04 ES ES546700A patent/ES8703936A1/es not_active Expired
- 1985-09-05 MX MX8889A patent/MX164702B/es unknown
- 1985-09-11 US US06/774,632 patent/US4604138A/en not_active Expired - Fee Related
- 1985-09-12 CN CN85106853.7A patent/CN1005276B/zh not_active Expired
- 1985-09-13 JP JP60201953A patent/JPS6179709A/ja active Granted
- 1985-09-16 IN IN655/CAL/85A patent/IN163954B/en unknown
- 1985-09-20 BR BR8504605A patent/BR8504605A/pt not_active IP Right Cessation
- 1985-09-20 CA CA000491216A patent/CA1234989A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE3434894A1 (de) | 1986-04-17 |
EP0175924B1 (de) | 1988-12-28 |
DE3434894C2 (de) | 1986-09-18 |
ZA856561B (en) | 1986-04-30 |
US4604138A (en) | 1986-08-05 |
FI853294A0 (fi) | 1985-08-28 |
CN85106853A (zh) | 1987-03-11 |
DE3567031D1 (en) | 1989-02-02 |
CN1005276B (zh) | 1989-09-27 |
ES546700A0 (es) | 1987-03-16 |
BR8504605A (pt) | 1986-07-15 |
MX164702B (es) | 1992-09-18 |
JPH0136525B2 (es) | 1989-08-01 |
AU4654085A (en) | 1986-03-27 |
JPS6179709A (ja) | 1986-04-23 |
FI853294L (fi) | 1986-03-23 |
FI77694B (fi) | 1988-12-30 |
IN163954B (es) | 1988-12-17 |
AU569412B2 (en) | 1988-01-28 |
EP0175924A1 (de) | 1986-04-02 |
FI77694C (fi) | 1989-04-10 |
ATE39497T1 (de) | 1989-01-15 |
CA1234989A (en) | 1988-04-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FD1A | Patent lapsed |
Effective date: 19991102 |