BR0207370B1 - processo de produção de ferro fundido lìquido num forno elétrico. - Google Patents
processo de produção de ferro fundido lìquido num forno elétrico.Info
- Publication number
- BR0207370B1 BR0207370B1 BRPI0207370-6A BR0207370A BR0207370B1 BR 0207370 B1 BR0207370 B1 BR 0207370B1 BR 0207370 A BR0207370 A BR 0207370A BR 0207370 B1 BR0207370 B1 BR 0207370B1
- Authority
- BR
- Brazil
- Prior art keywords
- cast iron
- electric furnace
- producing liquid
- liquid cast
- producing
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
- C21B13/14—Multi-stage processes processes carried out in different vessels or furnaces
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B11/00—Making pig-iron other than in blast furnaces
- C21B11/10—Making pig-iron other than in blast furnaces in electric furnaces
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
- C21B13/0006—Making spongy iron or liquid steel, by direct processes obtaining iron or steel in a molten state
- C21B13/0026—Making spongy iron or liquid steel, by direct processes obtaining iron or steel in a molten state introduction of iron oxide in the flame of a burner or a hot gas stream
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)
- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
- Manufacture Of Iron (AREA)
- Manufacture And Refinement Of Metals (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
LU90735A LU90735B1 (fr) | 2001-02-23 | 2001-02-23 | Proc-d- de production de fonte liquide |
LU90788A LU90788B1 (fr) | 2001-06-13 | 2001-06-13 | Procédé de production de fonte liquide dans un four électrique |
PCT/EP2002/001749 WO2002068700A1 (fr) | 2001-02-23 | 2002-02-20 | Procede de production de fonte liquide dans un four electrique |
Publications (2)
Publication Number | Publication Date |
---|---|
BR0207370A BR0207370A (pt) | 2004-06-22 |
BR0207370B1 true BR0207370B1 (pt) | 2010-08-10 |
Family
ID=26640378
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BRPI0207370-6A BR0207370B1 (pt) | 2001-02-23 | 2002-02-20 | processo de produção de ferro fundido lìquido num forno elétrico. |
Country Status (10)
Country | Link |
---|---|
US (1) | US7169205B2 (pt) |
EP (1) | EP1383933B1 (pt) |
JP (1) | JP4212895B2 (pt) |
AU (1) | AU2002250975B2 (pt) |
BR (1) | BR0207370B1 (pt) |
CA (1) | CA2437254C (pt) |
DE (2) | DE60204221T2 (pt) |
ES (1) | ES2215498T3 (pt) |
RU (1) | RU2268308C2 (pt) |
WO (1) | WO2002068700A1 (pt) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6875251B2 (en) * | 2002-05-15 | 2005-04-05 | Hatch Ltd. | Continuous steelmaking process |
EP1983066A1 (fr) * | 2007-03-30 | 2008-10-22 | Paul Wurth S.A. | Procédé de récupération du molybdène, du nickel, du cobalt ou de leurs mélanges à partir de catalyseurs usés ou régénérés |
EP1997919A1 (fr) * | 2007-05-24 | 2008-12-03 | Paul Wurth S.A. | Procédé de valorisation de résidus riches en zinc et en sulfates |
JP5166804B2 (ja) * | 2007-09-19 | 2013-03-21 | 株式会社神戸製鋼所 | 溶鉄製造方法 |
JP5166805B2 (ja) * | 2007-09-19 | 2013-03-21 | 株式会社神戸製鋼所 | アーク加熱による溶鉄製造方法 |
US8532158B2 (en) * | 2007-11-17 | 2013-09-10 | Inductotherm Corp. | Melting and mixing of materials in a crucible by electric induction heel process |
CN105940122A (zh) * | 2014-01-31 | 2016-09-14 | 沙特基础工业公司 | 通过向钢液中注入铁矿石生产过程的含铁副产物来生产经改良的钢的方法 |
ITUA20163986A1 (it) * | 2016-05-31 | 2017-12-01 | Tenova Spa | Metodo ed apparato per la produzione di ghisa, ghisa prodotta secondo detto metodo |
WO2019082762A1 (ja) * | 2017-10-23 | 2019-05-02 | 新日鐵住金株式会社 | 電気炉及び酸化鉄含有鉄原料の溶解及び還元方法 |
RU2734215C1 (ru) * | 2020-04-16 | 2020-10-13 | Автономная некоммерческая организация «Научно-исследовательский институт проблем экологии» | Способ выплавки чугуна в доменной печи |
JPWO2023204063A1 (pt) * | 2022-04-22 | 2023-10-26 | ||
WO2023204069A1 (ja) * | 2022-04-22 | 2023-10-26 | Jfeスチール株式会社 | 直接還元鉄の溶解方法、固体鉄および固体鉄の製造方法ならびに土木建築用資材および土木建築用資材の製造方法 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1285711A (fr) * | 1961-04-05 | 1962-02-23 | Elektrokemisk As | Procédé de fabrication de fonte dans un four électrique |
SE371651C (sv) * | 1973-03-30 | 1976-12-06 | Asea Ab | Sett och anordning for smeltreduktion |
GB8516143D0 (en) * | 1985-06-26 | 1985-07-31 | British Steel Corp | Melting of metals |
AT400245B (de) * | 1993-12-10 | 1995-11-27 | Voest Alpine Ind Anlagen | Verfahren und anlage zum herstellen einer eisenschmelze |
US5912916A (en) * | 1995-05-01 | 1999-06-15 | Alabama Power Company | Electric furnace with insulated electrodes and process for producing molten metals |
AT405054B (de) * | 1997-06-18 | 1999-05-25 | Voest Alpine Ind Anlagen | Verfahren und anlage zum herstellen einer eisenschmelze unter einsatz von eisenhältigen hüttenwerksreststoffen |
DE19744151C5 (de) * | 1997-10-07 | 2004-08-26 | Outokumpu Oyj | Verfahren zum Schmelzen von feinkörnigem, direkt reduziertem Eisen in einem Elektrolichtbogenofen |
LU90406B1 (fr) * | 1999-06-21 | 2000-12-22 | Wurth Paul Sa | Proc-d- de production de fonte liquide |
AUPQ205799A0 (en) * | 1999-08-05 | 1999-08-26 | Technological Resources Pty Limited | A direct smelting process |
-
2002
- 2002-02-20 ES ES02719871T patent/ES2215498T3/es not_active Expired - Lifetime
- 2002-02-20 CA CA002437254A patent/CA2437254C/fr not_active Expired - Fee Related
- 2002-02-20 DE DE60204221T patent/DE60204221T2/de not_active Expired - Lifetime
- 2002-02-20 RU RU2003127390/02A patent/RU2268308C2/ru not_active IP Right Cessation
- 2002-02-20 JP JP2002568794A patent/JP4212895B2/ja not_active Expired - Fee Related
- 2002-02-20 BR BRPI0207370-6A patent/BR0207370B1/pt not_active IP Right Cessation
- 2002-02-20 US US10/468,630 patent/US7169205B2/en not_active Expired - Fee Related
- 2002-02-20 AU AU2002250975A patent/AU2002250975B2/en not_active Ceased
- 2002-02-20 WO PCT/EP2002/001749 patent/WO2002068700A1/fr active IP Right Grant
- 2002-02-20 DE DE0001383933T patent/DE02719871T1/de active Pending
- 2002-02-20 EP EP02719871A patent/EP1383933B1/fr not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
CA2437254A1 (fr) | 2002-09-06 |
WO2002068700A1 (fr) | 2002-09-06 |
DE60204221D1 (de) | 2005-06-23 |
ES2215498T3 (es) | 2005-10-16 |
RU2003127390A (ru) | 2005-03-27 |
JP2004521188A (ja) | 2004-07-15 |
US7169205B2 (en) | 2007-01-30 |
BR0207370A (pt) | 2004-06-22 |
CA2437254C (fr) | 2009-06-30 |
DE60204221T2 (de) | 2006-02-02 |
JP4212895B2 (ja) | 2009-01-21 |
EP1383933A1 (fr) | 2004-01-28 |
DE02719871T1 (de) | 2004-07-15 |
RU2268308C2 (ru) | 2006-01-20 |
US20040060389A1 (en) | 2004-04-01 |
AU2002250975B2 (en) | 2006-11-23 |
ES2215498T1 (es) | 2004-10-16 |
EP1383933B1 (fr) | 2005-05-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
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 20/02/2002, 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 18A ANUIDADE. |
|
B24J | Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12) |
Free format text: REFERENTE AO DESPACHO 21.6 PUBLICADO NA RPI 2554 DE 2019-12-17 |