BR9701471A - Lança auto-limpante para a fabricação de aço e processo de limpeza de uma lança auto-limpante - Google Patents
Lança auto-limpante para a fabricação de aço e processo de limpeza de uma lança auto-limpanteInfo
- Publication number
- BR9701471A BR9701471A BR9701471A BR9701471A BR9701471A BR 9701471 A BR9701471 A BR 9701471A BR 9701471 A BR9701471 A BR 9701471A BR 9701471 A BR9701471 A BR 9701471A BR 9701471 A BR9701471 A BR 9701471A
- Authority
- BR
- Brazil
- Prior art keywords
- cleaning
- self
- spear
- steelmaking
- cleaning process
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D1/00—Casings; Linings; Walls; Roofs
- F27D1/16—Making or repairing linings increasing the durability of linings or breaking away linings
- F27D1/1694—Breaking away the lining or removing parts thereof
-
- 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
- C21C5/42—Constructional features of converters
- C21C5/46—Details or accessories
- C21C5/4606—Lances or injectors
-
- 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
- C21C5/42—Constructional features of converters
- C21C5/46—Details or accessories
- C21C5/4693—Skull removal; Cleaning of the converter mouth
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/670,125 US5830259A (en) | 1996-06-25 | 1996-06-25 | Preventing skull accumulation on a steelmaking lance |
Publications (1)
Publication Number | Publication Date |
---|---|
BR9701471A true BR9701471A (pt) | 1998-11-17 |
Family
ID=24689102
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR9701471A BR9701471A (pt) | 1996-06-25 | 1997-03-25 | Lança auto-limpante para a fabricação de aço e processo de limpeza de uma lança auto-limpante |
Country Status (8)
Country | Link |
---|---|
US (1) | US5830259A (pt) |
EP (1) | EP0816517B1 (pt) |
JP (1) | JPH1030111A (pt) |
KR (1) | KR980002273A (pt) |
AU (1) | AU730594B2 (pt) |
BR (1) | BR9701471A (pt) |
CA (1) | CA2208470A1 (pt) |
DE (1) | DE69719870D1 (pt) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20040012167A (ko) * | 2002-08-01 | 2004-02-11 | 주식회사 포스코 | 전로 정련용 랜스 |
US11786036B2 (en) | 2008-06-27 | 2023-10-17 | Ssw Advanced Technologies, Llc | Spill containing refrigerator shelf assembly |
US8286561B2 (en) | 2008-06-27 | 2012-10-16 | Ssw Holding Company, Inc. | Spill containing refrigerator shelf assembly |
BR112013011716B1 (pt) * | 2010-11-10 | 2021-03-02 | Berry Metal Company | distribuidor reforçado para lança de pós-combustão |
DE102011085428A1 (de) | 2011-10-28 | 2013-05-02 | Schott Ag | Einlegeboden |
DE112013003496B4 (de) * | 2012-07-10 | 2022-06-30 | Lumar Metals Ltda. | Blaslanze zur Herstellung von Metallen und Aufrechterhaltung der Betriebsbedingungen für das Beladen und Blasen |
KR102221810B1 (ko) * | 2018-10-02 | 2021-02-26 | 톨맨테크놀로지인코포레이티드 | 내부 지지 어셈블리를 구비한 랜스 |
Family Cites Families (55)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA876526A (en) * | 1971-07-27 | Kunioka Kazuo | Multi-outlet oxygen-fuel blowing lance | |
US613598A (en) * | 1898-11-01 | Forming and drilling machine | ||
US3320053A (en) * | 1964-09-25 | 1967-05-16 | Bethlehem Steel Corp | Method of injecting gases into steel melts |
US3488044A (en) * | 1967-05-01 | 1970-01-06 | Nat Steel Corp | Apparatus for refining metal |
NL152602B (nl) * | 1968-05-09 | 1977-03-15 | Nippon Kokan Kk | Werkwijze voor het continu bereiden van staal. |
GB1190137A (en) * | 1968-07-02 | 1970-04-29 | Inst Chernoi Metallurgii | Apparatus for Blowing Gas Through Molten Metal |
US3594155A (en) * | 1968-10-30 | 1971-07-20 | Allegheny Ludlum Steel | Method for dynamically controlling decarburization of steel |
US3932172A (en) * | 1969-02-20 | 1976-01-13 | Eisenwerk-Gesellschaft Maximilianshutte Mbh | Method and converter for refining pig-iron into steel |
BE756083A (fr) * | 1969-09-11 | 1971-03-15 | Enya Ryosuke | Procede et dispositif pour la fabrication de metal en fusion destine a etre coule |
US3700429A (en) * | 1970-01-05 | 1972-10-24 | Allegheny Ludlum Steel | Method of controlling vacuum decarburization |
US3620455A (en) * | 1970-06-10 | 1971-11-16 | Berry Metal Co | Easily repairable gas injection lance |
US3730505A (en) * | 1970-07-01 | 1973-05-01 | Centro Speriment Metallurg | Double delivery lance for refining the steel in the converter processes |
US3955964A (en) * | 1971-08-30 | 1976-05-11 | Koppers Company, Inc. | Process for making steel |
SU414312A1 (pt) * | 1972-03-23 | 1974-02-05 | ||
SU502950A1 (ru) * | 1972-07-28 | 1976-02-15 | Институт черной металлургии | Водоохлаждаема фурма дл рафинировани металла |
AT337736B (de) * | 1973-02-12 | 1977-07-11 | Voest Ag | Verfahren zum frischen von roheisen |
SU499315A1 (ru) * | 1973-04-20 | 1976-01-15 | Институт Повышения Квалификации Руководящих Работников И Специалистов Черной Металлургии | Фурма дл продувки металла |
US3861888A (en) * | 1973-06-28 | 1975-01-21 | Union Carbide Corp | Use of CO{HD 2 {B in argon-oxygen refining of molten metal |
US3828850A (en) * | 1973-07-12 | 1974-08-13 | Black Sivalls & Bryson Inc | High temperature material introduction apparatus |
JPS5414568B2 (pt) * | 1973-08-28 | 1979-06-08 | ||
JPS5112320A (ja) * | 1974-07-22 | 1976-01-30 | Nisshin Steel Co Ltd | Ganchitsusogokinkono seizoho |
US4004920A (en) * | 1975-05-05 | 1977-01-25 | United States Steel Corporation | Method of producing low nitrogen steel |
US4081270A (en) * | 1977-04-11 | 1978-03-28 | Union Carbide Corporation | Renitrogenation of basic-oxygen steels during decarburization |
US4230274A (en) * | 1978-07-10 | 1980-10-28 | Pullman Berry Company | Lance for removing skulls from steelmaking vessels |
US4322033A (en) * | 1978-07-10 | 1982-03-30 | Pullman Berry Company | Lance and method for removing skulls from steelmaking vessels |
US4270949A (en) * | 1979-01-24 | 1981-06-02 | United Refractories, Inc. | Making of steel by the BOF process |
US4490172A (en) * | 1979-06-29 | 1984-12-25 | Moore William H | Method of melting and refining steel and other ferrous alloys |
US4348229A (en) * | 1980-08-22 | 1982-09-07 | Nippon Steel Corporation | Enamelling steel sheet |
NL8104474A (nl) * | 1981-10-01 | 1983-05-02 | Estel Hoogovens Bv | Vloeistofgekoelde lans voor het blazen van zuurstof op een staalbad. |
NL8201269A (nl) * | 1982-03-26 | 1983-10-17 | Hoogovens Groep Bv | Werkwijze voor het vervaardigen van staal in een converter uitgaande van ruwijzer en schrot. |
DE3231867A1 (de) * | 1982-08-27 | 1984-03-01 | Saar-Metallwerke GmbH, 6600 Saarbrücken | Zweikreislanze zum frischen von metallschmelzen |
US4405365A (en) * | 1982-08-30 | 1983-09-20 | Pennsylvania Engineering Corporation | Method for the fabrication of special steels in metallurgical vessels |
US4434005A (en) * | 1982-09-24 | 1984-02-28 | Arbed S. A. (Luxembourg) | Method of and apparatus for refining a melt containing solid cooling material |
LU84433A1 (fr) * | 1982-10-22 | 1984-05-10 | Mecan Arbed Dommeldange S A R | Dispositif pour fournir des matieres gazeuses et solides a un bain de metal en voie d'affinage |
FR2542014B1 (fr) * | 1983-03-02 | 1985-06-21 | Solmer | Dispositif pour le decrassage des becs de convertisseur d'acierie |
NL8400393A (nl) * | 1984-02-08 | 1985-09-02 | Hoogovens Groep Bv | Vloeistofgekoelde lans voor het blazen van zuurstof op een staalbad. |
US4653730A (en) * | 1984-11-27 | 1987-03-31 | Empco (Canada) Ltd. | Multi-purpose pyrometallurgical process enhancing device |
JPS61139616A (ja) * | 1984-12-11 | 1986-06-26 | Nisshin Steel Co Ltd | 転炉炉口付着物の除去方法 |
US4564390A (en) * | 1984-12-21 | 1986-01-14 | Olin Corporation | Decarburizing a metal or metal alloy melt |
US4615730A (en) * | 1985-04-30 | 1986-10-07 | Allegheny Ludlum Steel Corporation | Method for refining molten metal bath to control nitrogen |
CA1293121C (en) * | 1985-08-20 | 1991-12-17 | Nobuyoshi Takashiba | Lance for blow-refinement in converter |
SU1395682A1 (ru) * | 1986-11-04 | 1988-05-15 | Донецкий политехнический институт | Способ внепечной обработки стали при получении заготовок непрерывной разливкой |
US4936908A (en) * | 1987-09-25 | 1990-06-26 | Nkk Corporation | Method for smelting and reducing iron ores |
LU87156A1 (fr) * | 1988-03-11 | 1989-10-26 | Arbed | Tuyere pour lance d'affinage |
JPH0717960B2 (ja) * | 1989-03-31 | 1995-03-01 | 新日本製鐵株式会社 | 磁気特性の優れた一方向性電磁鋼板の製造方法 |
JP2782086B2 (ja) * | 1989-05-29 | 1998-07-30 | 新日本製鐵株式会社 | 磁気特性、皮膜特性ともに優れた一方向性電磁鋼板の製造方法 |
EP0413306B1 (en) * | 1989-08-18 | 1996-04-10 | Nippon Steel Corporation | Method of producing non-oriented magnetic steel plate having high magnetic flux density |
BE1003516A3 (fr) * | 1989-10-09 | 1992-04-14 | Rech S Et Dev Desaar | Lance de soufflage multi-tubes. |
IN178636B (pt) * | 1989-09-29 | 1997-05-24 | Ausmelt Ltd | |
IT1237481B (it) * | 1989-12-22 | 1993-06-07 | Sviluppo Materiali Spa | Procedimento per la prodizione di lamierino magnetico semifinito a grano non orientato. |
LU88023A1 (fr) * | 1991-10-30 | 1993-05-17 | Arbed | Lance de soufflage |
JPH0625732A (ja) * | 1992-07-09 | 1994-02-01 | Nippon Steel Corp | 真空精錬用多機能ランス |
US5377960A (en) * | 1993-03-01 | 1995-01-03 | Berry Metal Company | Oxygen/carbon blowing lance assembly |
US5298053A (en) * | 1993-08-12 | 1994-03-29 | Bethlehem Steel Corporation | Consumable lance for oxygen injection and desulfurization and method |
US5417739A (en) * | 1993-12-30 | 1995-05-23 | Ltv Steel Company, Inc. | Method of making high nitrogen content steel |
-
1996
- 1996-06-25 US US08/670,125 patent/US5830259A/en not_active Expired - Fee Related
-
1997
- 1997-02-26 AU AU14959/97A patent/AU730594B2/en not_active Ceased
- 1997-03-25 BR BR9701471A patent/BR9701471A/pt not_active IP Right Cessation
- 1997-03-31 KR KR1019970011912A patent/KR980002273A/ko not_active Application Discontinuation
- 1997-04-10 JP JP9091991A patent/JPH1030111A/ja active Pending
- 1997-06-16 DE DE69719870T patent/DE69719870D1/de not_active Expired - Lifetime
- 1997-06-16 EP EP97304189A patent/EP0816517B1/en not_active Expired - Lifetime
- 1997-06-23 CA CA002208470A patent/CA2208470A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
EP0816517B1 (en) | 2003-03-19 |
KR980002273A (ko) | 1998-03-30 |
JPH1030111A (ja) | 1998-02-03 |
AU730594B2 (en) | 2001-03-08 |
US5830259A (en) | 1998-11-03 |
CA2208470A1 (en) | 1997-12-25 |
DE69719870D1 (de) | 2003-04-24 |
EP0816517A1 (en) | 1998-01-07 |
AU1495997A (en) | 1998-01-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FF | Decision: intention to grant | ||
FG9A | Patent or certificate of addition granted | ||
B24C | Patent annual fee: request for for restoration |
Free format text: REFERENTE A 6A,7A,8A,9A,10A,11A,12A,13A E 14A ANUIDADES |
|
B24H | Lapse because of non-payment of annual fees (definitively: art 78 iv lpi) | ||
B24F | Patent annual fee: publication cancelled |
Free format text: ANULADA A PUBLICACAO CODIGO 24.8 NA RPI NO 2256 DE 01/04/2014 POR TER SIDO INDEVIDA. |
|
B21F | Lapse acc. art. 78, item iv - on non-payment of the annual fees in time |
Free format text: REFERENTE AS 6A, 7A, 8A, 9A, 10A, 11A, 12A, 13A E 14A ANUIDADES. |
|
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 2605 DE 08-12-2020 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. |