BR0012193A - Processo de otimizaçã o do funcionamento de um forno elétrico do tipo a arco submerso - Google Patents
Processo de otimizaçã o do funcionamento de um forno elétrico do tipo a arco submersoInfo
- Publication number
- BR0012193A BR0012193A BR0012193-2A BR0012193A BR0012193A BR 0012193 A BR0012193 A BR 0012193A BR 0012193 A BR0012193 A BR 0012193A BR 0012193 A BR0012193 A BR 0012193A
- Authority
- BR
- Brazil
- Prior art keywords
- slag
- electrode
- electric furnace
- submerged arc
- optimizing
- 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
- 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
- C21C5/5211—Manufacture of steel in electric furnaces in an alternating current [AC] electric arc furnace
- C21C5/5217—Manufacture of steel in electric furnaces in an alternating current [AC] electric arc furnace equipped with burners or devices for injecting gas, i.e. oxygen, or pulverulent materials into the furnace
-
- 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
-
- 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
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
- Discharge Heating (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
- Electrolytic Production Of Metals (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
- Manufacture Of Iron (AREA)
Abstract
"PROCESSO DE OTIMIZAçãO DO FUNCIONAMENTO DE UM FORNO ELéTRICO DO TIPO A ARCO SUBMERSO". Apresenta-se um processo de otimização do funcionamento de um forno elétrico (10) do tipo a arco submerso, para a produção de metal líquido. O forno elétrico compreende pelo menos um eletrodo (18) e contém um banho de metal líquido (12), recoberto de uma espessa camada de escória líquida (16), que tem uma massa superficial de pelo menos 1 t/m^ 2^. Faz-se espumar a camada de escória localmente ao redor do dito pelo menos um eletrodo (18), de maneira a criar ao redor desse eletrodo (18) uma camada local de escória espumante (20), na qual a densidade da escória é pelo menos 50% mais baixa do que no resto do forno.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
LU90409A LU90409B1 (fr) | 1999-06-25 | 1999-06-25 | Proc-d- d'optimisation du fonctionnement d'un four -lectrique du type - arc submerg- |
PCT/EP2000/005788 WO2001000886A1 (fr) | 1999-06-25 | 2000-06-22 | Procede d'optimisation du fonctionnement d'un four electrique du type a arc submerge |
Publications (1)
Publication Number | Publication Date |
---|---|
BR0012193A true BR0012193A (pt) | 2002-04-16 |
Family
ID=19731819
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR0012193-2A BR0012193A (pt) | 1999-06-25 | 2000-06-22 | Processo de otimizaçã o do funcionamento de um forno elétrico do tipo a arco submerso |
Country Status (13)
Country | Link |
---|---|
US (1) | US6635096B1 (pt) |
EP (1) | EP1200634B1 (pt) |
JP (1) | JP4776127B2 (pt) |
CN (1) | CN1197983C (pt) |
AT (1) | ATE245707T1 (pt) |
AU (1) | AU5406300A (pt) |
BR (1) | BR0012193A (pt) |
DE (1) | DE60004062T2 (pt) |
ES (1) | ES2202138T3 (pt) |
LU (1) | LU90409B1 (pt) |
MX (1) | MXPA02000062A (pt) |
TW (1) | TW428030B (pt) |
WO (1) | WO2001000886A1 (pt) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT412283B (de) * | 2003-05-16 | 2004-12-27 | Voest Alpine Ind Anlagen | Verfahren zum verwerten von schlacke |
DE10323505A1 (de) * | 2003-05-24 | 2004-12-09 | Sms Demag Ag | Verfahren zur Erzeugung einer Schaumschlacke auf hochchromhaltigen Schmelzen in einem Elektroofen |
DE102008028011A1 (de) * | 2008-06-09 | 2009-12-10 | Sms Siemag Aktiengesellschaft | Verfahren zur Erzeugung einer Schaumschlacke auf austenitischen Rostfreischmelzen in einem Elektrolichtbogenofen |
CN104422298A (zh) * | 2013-08-27 | 2015-03-18 | 广西麦莎电气集团有限公司 | 矿热炉无功补偿远程无线通讯控制*** |
RU2539890C1 (ru) * | 2013-12-30 | 2015-01-27 | Генрих Алексеевич Дорофеев | Способ выплавки стали в электродуговой печи и электродуговая печь |
TR201820034T4 (tr) * | 2014-08-14 | 2019-01-21 | Umicore Nv | Lityum-İyon Pilleri Ergitmek İçin İşlem |
RU2610975C2 (ru) * | 2015-08-10 | 2017-02-17 | Генрих Алексеевич Дорофеев | Способ выплавки стали в электродуговой печи |
WO2021133573A1 (en) * | 2019-12-23 | 2021-07-01 | Armstrong World Industries, Inc. | Continous smelting and fiber spinning process |
DE102022118640A1 (de) | 2022-07-26 | 2024-02-01 | Thyssenkrupp Steel Europe Ag | Verfahren zur Herstellung einer Eisenschmelze in einem elektrischen Einschmelzer |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2608320C2 (de) * | 1976-02-28 | 1978-12-07 | Demag Ag | Verfahren zum kontinuierlichen erschmelzen von stahl mit hohem reinheitsgrad |
JPS5919170B2 (ja) * | 1978-12-26 | 1984-05-02 | 大同特殊鋼株式会社 | 溶鋼の精錬方法 |
JPS5687617A (en) * | 1979-12-19 | 1981-07-16 | Daido Steel Co Ltd | Steel making method using arc furnace |
AT376702B (de) * | 1983-04-06 | 1984-12-27 | Voest Alpine Ag | Verfahren zum betrieb einer metallurgischen anlage |
US5279639A (en) * | 1990-04-06 | 1994-01-18 | Tam Ceramics, Inc. | Compositions for synthesizing ladle slags |
ATA155793A (de) * | 1993-08-04 | 1996-04-15 | Voest Alpine Ind Anlagen | Verfahren zum herstellen einer metallschmelze und anlage zur durchführung des verfahrens |
AT400245B (de) * | 1993-12-10 | 1995-11-27 | Voest Alpine Ind Anlagen | Verfahren und anlage zum herstellen einer eisenschmelze |
-
1999
- 1999-06-25 LU LU90409A patent/LU90409B1/fr active
- 1999-09-10 TW TW088115638A patent/TW428030B/zh not_active IP Right Cessation
-
2000
- 2000-06-22 AU AU54063/00A patent/AU5406300A/en not_active Abandoned
- 2000-06-22 ES ES00938810T patent/ES2202138T3/es not_active Expired - Lifetime
- 2000-06-22 AT AT00938810T patent/ATE245707T1/de not_active IP Right Cessation
- 2000-06-22 DE DE60004062T patent/DE60004062T2/de not_active Expired - Lifetime
- 2000-06-22 BR BR0012193-2A patent/BR0012193A/pt not_active IP Right Cessation
- 2000-06-22 EP EP00938810A patent/EP1200634B1/fr not_active Expired - Lifetime
- 2000-06-22 JP JP2001506288A patent/JP4776127B2/ja not_active Expired - Fee Related
- 2000-06-22 CN CNB008091250A patent/CN1197983C/zh not_active Expired - Fee Related
- 2000-06-22 MX MXPA02000062A patent/MXPA02000062A/es unknown
- 2000-06-22 WO PCT/EP2000/005788 patent/WO2001000886A1/fr active IP Right Grant
- 2000-06-22 US US10/019,412 patent/US6635096B1/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
AU5406300A (en) | 2001-01-31 |
US6635096B1 (en) | 2003-10-21 |
TW428030B (en) | 2001-04-01 |
MXPA02000062A (es) | 2002-07-02 |
LU90409B1 (fr) | 2001-01-02 |
DE60004062D1 (de) | 2003-08-28 |
DE60004062T2 (de) | 2004-05-19 |
EP1200634A1 (fr) | 2002-05-02 |
EP1200634B1 (fr) | 2003-07-23 |
WO2001000886A1 (fr) | 2001-01-04 |
JP2003503593A (ja) | 2003-01-28 |
CN1197983C (zh) | 2005-04-20 |
ES2202138T3 (es) | 2004-04-01 |
CN1357054A (zh) | 2002-07-03 |
ATE245707T1 (de) | 2003-08-15 |
JP4776127B2 (ja) | 2011-09-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
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 22/06/2000, 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 13A 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 2258 DE 15-04-2014 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. |