BR0311295A - Método para tratamentos metalúrgicos em banho metálico fundido - Google Patents
Método para tratamentos metalúrgicos em banho metálico fundidoInfo
- Publication number
- BR0311295A BR0311295A BR0311295-0A BR0311295A BR0311295A BR 0311295 A BR0311295 A BR 0311295A BR 0311295 A BR0311295 A BR 0311295A BR 0311295 A BR0311295 A BR 0311295A
- Authority
- BR
- Brazil
- Prior art keywords
- metal bath
- molten metal
- metallurgical treatment
- slag
- formation
- 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
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
- C21C7/0075—Treating in a ladle furnace, e.g. up-/reheating of molten steel within the ladle
-
- 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
-
- 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
- C21C7/005—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00 using exothermic reaction compositions
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
- Treatment Of Steel In Its Molten State (AREA)
- Coating With Molten Metal (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
"MéTODO PARA TRATAMENTOS METALúRGICOS EM BANHO METáLICO FUNDIDO". Método para tratamento metalúrgico em banho metálico fundido compreendendo um primeiro tratamento envolvendo a presença ou a formação de uma escória ácida na superfície do dito banho metálico fundido; e um segundo tratamento envolvendo a presença ou a formação de uma escória básica na superfície do dito banho metálico fundido. Os dois tratamentos são executados sem formação de escória intermediária, provendo uma separação física na superfície do dito banho metálico fundido entre uma zona de escória ácida e uma zona de escória básica.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
LU90924A LU90924B1 (fr) | 2002-05-24 | 2002-05-24 | Procédé de traitements métallurgiques sur bain métallique |
PCT/EP2003/050183 WO2003100102A2 (fr) | 2002-05-24 | 2003-05-21 | Procédé de traitements métallurgiques sur bain métallique |
Publications (2)
Publication Number | Publication Date |
---|---|
BR0311295A true BR0311295A (pt) | 2005-04-19 |
BR0311295B1 BR0311295B1 (pt) | 2012-07-10 |
Family
ID=29580011
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BRPI0311295-0A BR0311295B1 (pt) | 2002-05-24 | 2003-05-21 | método para tratamento metalúrgico em banho metálico de aços e ferros fundidos. |
Country Status (12)
Country | Link |
---|---|
EP (1) | EP1507876B1 (pt) |
JP (1) | JP4405381B2 (pt) |
KR (1) | KR100926321B1 (pt) |
CN (1) | CN1665942B (pt) |
AU (1) | AU2003273150B2 (pt) |
BR (1) | BR0311295B1 (pt) |
CA (1) | CA2485633A1 (pt) |
DE (1) | DE60308860T2 (pt) |
ES (1) | ES2273014T3 (pt) |
LU (1) | LU90924B1 (pt) |
RU (1) | RU2289630C2 (pt) |
WO (1) | WO2003100102A2 (pt) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102115800B (zh) * | 2011-01-14 | 2013-03-13 | 河北钢铁股份有限公司承德分公司 | 一种钒铁合金清洁生产工艺 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3971655A (en) * | 1974-08-21 | 1976-07-27 | Nippon Steel Corporation | Method for treatment of molten steel in a ladle |
DE2629020C2 (de) * | 1976-06-29 | 1985-06-20 | Nippon Steel Corp., Tokio/Tokyo | Verfahren zum entphosphorn von metallen und legierungen |
LU84472A1 (fr) * | 1982-11-17 | 1984-06-13 | Arbed | Procede et installation pour le traitement de l'acier en poche |
JPS6465226A (en) * | 1987-09-04 | 1989-03-10 | Sumitomo Metal Ind | Ladle refining method |
CN1087034C (zh) * | 1999-11-02 | 2002-07-03 | 北京科技大学 | 盛钢桶浸渍罩密闭钢液喷粉脱硫方法及装置 |
-
2002
- 2002-05-24 LU LU90924A patent/LU90924B1/fr active
-
2003
- 2003-05-21 EP EP03740486A patent/EP1507876B1/fr not_active Expired - Lifetime
- 2003-05-21 CA CA002485633A patent/CA2485633A1/fr not_active Abandoned
- 2003-05-21 KR KR1020047018997A patent/KR100926321B1/ko not_active IP Right Cessation
- 2003-05-21 CN CN038153289A patent/CN1665942B/zh not_active Expired - Fee Related
- 2003-05-21 JP JP2004507542A patent/JP4405381B2/ja not_active Expired - Fee Related
- 2003-05-21 WO PCT/EP2003/050183 patent/WO2003100102A2/fr active IP Right Grant
- 2003-05-21 DE DE60308860T patent/DE60308860T2/de not_active Expired - Fee Related
- 2003-05-21 AU AU2003273150A patent/AU2003273150B2/en not_active Ceased
- 2003-05-21 BR BRPI0311295-0A patent/BR0311295B1/pt not_active IP Right Cessation
- 2003-05-21 ES ES03740486T patent/ES2273014T3/es not_active Expired - Lifetime
- 2003-05-21 RU RU2004138075/02A patent/RU2289630C2/ru not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
EP1507876A2 (fr) | 2005-02-23 |
WO2003100102A2 (fr) | 2003-12-04 |
KR100926321B1 (ko) | 2009-11-12 |
CN1665942A (zh) | 2005-09-07 |
AU2003273150B2 (en) | 2009-01-08 |
KR20040106583A (ko) | 2004-12-17 |
AU2003273150A1 (en) | 2003-12-12 |
EP1507876B1 (fr) | 2006-10-04 |
JP4405381B2 (ja) | 2010-01-27 |
JP2005531687A (ja) | 2005-10-20 |
RU2289630C2 (ru) | 2006-12-20 |
CA2485633A1 (fr) | 2003-12-04 |
CN1665942B (zh) | 2011-05-11 |
ES2273014T3 (es) | 2007-05-01 |
BR0311295B1 (pt) | 2012-07-10 |
WO2003100102A3 (fr) | 2004-02-26 |
RU2004138075A (ru) | 2006-01-20 |
DE60308860D1 (de) | 2006-11-16 |
LU90924B1 (fr) | 2003-11-25 |
DE60308860T2 (de) | 2007-02-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
B06A | Patent application procedure suspended [chapter 6.1 patent gazette] | ||
B06A | Patent application procedure suspended [chapter 6.1 patent gazette] | ||
B09A | Decision: intention to grant [chapter 9.1 patent gazette] | ||
B16A | Patent or certificate of addition of invention granted [chapter 16.1 patent gazette] |
Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 21/05/2003, OBSERVADAS AS CONDICOES LEGAIS. |
|
B21F | Lapse acc. art. 78, item iv - on non-payment of the annual fees in time |
Free format text: REFERENTE A 12A ANUIDADE. |
|
B24J | Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12) |
Free format text: EM VIRTUDE DA EXTINCAO PUBLICADA NA RPI 2309 DE 07-04-2015 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDA A EXTINCAO DA PATENTE E SEUS CERTIFICADOS, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013. |