BR8101709A - Processo para a fabricacao de aco com estagios de refinacao separados - Google Patents
Processo para a fabricacao de aco com estagios de refinacao separadosInfo
- Publication number
- BR8101709A BR8101709A BR8101709A BR8101709A BR8101709A BR 8101709 A BR8101709 A BR 8101709A BR 8101709 A BR8101709 A BR 8101709A BR 8101709 A BR8101709 A BR 8101709A BR 8101709 A BR8101709 A BR 8101709A
- Authority
- BR
- Brazil
- Prior art keywords
- manufacturing process
- steel manufacturing
- refining stages
- separate refining
- separate
- Prior art date
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
- C21C1/00—Refining of pig-iron; Cast iron
-
- 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
- C21C1/00—Refining of pig-iron; Cast iron
- C21C1/02—Dephosphorising or 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
- C21C5/285—Plants therefor
-
- 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
- C21C5/56—Manufacture of steel by other methods
-
- 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
- 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
- C21C7/072—Treatment with gases
-
- 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
- C21C1/00—Refining of pig-iron; Cast iron
- C21C1/04—Removing impurities other than carbon, phosphorus or sulfur
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Botany (AREA)
- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3469380A JPS56133413A (en) | 1980-03-21 | 1980-03-21 | Steel making method by divided refining |
JP885581A JPS6059962B2 (ja) | 1981-01-23 | 1981-01-23 | 溶銑の事前処理方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
BR8101709A true BR8101709A (pt) | 1981-09-22 |
Family
ID=26343459
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR8101709A BR8101709A (pt) | 1980-03-21 | 1981-03-23 | Processo para a fabricacao de aco com estagios de refinacao separados |
Country Status (7)
Country | Link |
---|---|
US (3) | US4388112A (pt) |
AU (2) | AU6823981A (pt) |
BR (1) | BR8101709A (pt) |
CA (1) | CA1166018A (pt) |
DE (1) | DE3110787C2 (pt) |
FR (1) | FR2478671B1 (pt) |
GB (1) | GB2072221B (pt) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5831012A (ja) * | 1981-08-19 | 1983-02-23 | Nippon Steel Corp | 気体酸素吹込みによる溶銑の優先脱Si方法 |
JPS58207314A (ja) * | 1982-05-28 | 1983-12-02 | Sumitomo Metal Ind Ltd | 鋼の精錬方法 |
DE3316367A1 (de) * | 1983-05-05 | 1984-11-08 | Mannesmann AG, 4000 Düsseldorf | Verfahren und einrichtung zum erzeugen von stahl |
FR2558482B1 (fr) * | 1984-01-25 | 1989-10-27 | Siderurgie Fse Inst Rech | Procede d'elaboration de l'acier par preaffinage de la fonte |
FR2566427B1 (fr) * | 1984-06-22 | 1989-10-13 | Siderurgie Fse Inst Rech | Installation pour l'elaboration de l'acier par preaffinage de la fonte |
IT1234939B (it) * | 1985-12-06 | 1992-06-02 | Centro Speriment Metallurg | Procedimento per la riduzione del contenuto di impurezze nella ghisa |
LU86225A1 (de) * | 1985-12-23 | 1987-07-24 | Arbed | Verfahren zum herstellen von hochwertigem stahl |
WO1995001458A1 (fr) * | 1993-06-30 | 1995-01-12 | Nippon Steel Corporation | Procede de production et d'acier au moyen d'un convertisseur |
US5868817A (en) * | 1994-06-30 | 1999-02-09 | Nippon Steel Corporation | Process for producing steel by converter |
US6063157A (en) * | 1997-11-06 | 2000-05-16 | Banerjee; Shilowbhadra | Process and an apparatus for removal of silicon, manganese, carbon and sulfur in a single reaction vessel |
JP6223249B2 (ja) * | 2014-03-19 | 2017-11-01 | 株式会社神戸製鋼所 | 脱珪スラグを再利用する脱珪、脱りん、脱炭方法 |
JP6375822B2 (ja) * | 2014-09-22 | 2018-08-22 | 新日鐵住金株式会社 | 溶銑の脱珪処理方法 |
CN112662839A (zh) * | 2020-12-11 | 2021-04-16 | 北京首钢股份有限公司 | 一种钢水炉外脱磷生产超低磷钢的方法 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2693411A (en) * | 1951-12-26 | 1954-11-02 | Cremer Frederick | Method of purifying molten pig iron |
US2767077A (en) * | 1953-05-06 | 1956-10-16 | Electro Chimie Metal | Process for desiliconizing and desulphurizing pig iron |
US2983598A (en) * | 1958-12-15 | 1961-05-09 | Smith Corp A O | Method of making corrosion-resistant steel |
FR1357947A (fr) * | 1963-05-16 | 1964-04-10 | Beteiligungs & Patentverw Gmbh | Procédé pour la fabrication d'aciers alliés et non alliés à faibles teneurs en soufre et en phosphore, dont l'ordre de grandeur est usuel dans les aciers affinés |
LU58309A1 (pt) * | 1969-02-27 | 1969-07-15 | ||
BE762837A (fr) * | 1971-02-11 | 1971-08-11 | Centre Rech Metallurgique | Perfectionnements aux procedes d'affinage pneumatique de la fonte. |
US3881917A (en) * | 1974-01-21 | 1975-05-06 | Crawford Brown Murton | Method of refining steel |
JPS5228418A (en) * | 1975-08-29 | 1977-03-03 | Nippon Steel Corp | Oxygen steel making process using low p and s pig iron as raw material |
JPS5253715A (en) * | 1975-10-30 | 1977-04-30 | Nippon Steel Corp | Converter steel making method |
JPS5424213A (en) * | 1977-07-25 | 1979-02-23 | Sumitomo Metal Ind Ltd | Manufacture of ultra low phosphorus steel in converter |
US4295882A (en) * | 1978-10-24 | 1981-10-20 | Nippon Steel Corporation | Steel making process |
-
1981
- 1981-03-10 AU AU68239/81A patent/AU6823981A/en not_active Abandoned
- 1981-03-13 US US06/243,451 patent/US4388112A/en not_active Expired - Lifetime
- 1981-03-19 CA CA000373463A patent/CA1166018A/en not_active Expired
- 1981-03-19 DE DE3110787A patent/DE3110787C2/de not_active Expired
- 1981-03-20 FR FR8105574A patent/FR2478671B1/fr not_active Expired
- 1981-03-23 GB GB8108981A patent/GB2072221B/en not_active Expired
- 1981-03-23 BR BR8101709A patent/BR8101709A/pt unknown
-
1982
- 1982-03-29 US US06/362,839 patent/US4411696A/en not_active Expired - Lifetime
-
1983
- 1983-06-14 US US06/504,285 patent/US4457778A/en not_active Expired - Lifetime
- 1983-12-08 AU AU22238/83A patent/AU549698B2/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
AU549698B2 (en) | 1986-02-06 |
DE3110787C2 (de) | 1985-07-04 |
US4411696A (en) | 1983-10-25 |
FR2478671B1 (fr) | 1985-11-22 |
FR2478671A1 (fr) | 1981-09-25 |
US4388112A (en) | 1983-06-14 |
DE3110787A1 (de) | 1981-12-24 |
GB2072221A (en) | 1981-09-30 |
GB2072221B (en) | 1984-02-29 |
AU2223883A (en) | 1984-04-12 |
AU6823981A (en) | 1981-10-15 |
CA1166018A (en) | 1984-04-24 |
US4457778A (en) | 1984-07-03 |
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