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-limpante

Info

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
Application number
BR9701471A
Other languages
English (en)
Inventor
Chung Sup Kim
Ken M Goodson
Original Assignee
Ltv Steel Co Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ltv Steel Co Inc filed Critical Ltv Steel Co Inc
Publication of BR9701471A publication Critical patent/BR9701471A/pt

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27FURNACES; KILNS; OVENS; RETORTS
    • F27DDETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D1/00Casings; Linings; Walls; Roofs
    • F27D1/16Making or repairing linings increasing the durability of linings or breaking away linings
    • F27D1/1694Breaking away the lining or removing parts thereof
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21CPROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/28Manufacture of steel in the converter
    • C21C5/42Constructional features of converters
    • C21C5/46Details or accessories
    • C21C5/4606Lances or injectors
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21CPROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/28Manufacture of steel in the converter
    • C21C5/42Constructional features of converters
    • C21C5/46Details or accessories
    • C21C5/4693Skull removal; Cleaning of the converter mouth
BR9701471A 1996-06-25 1997-03-25 Lança auto-limpante para a fabricação de aço e processo de limpeza de uma lança auto-limpante BR9701471A (pt)

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)

* Cited by examiner, † Cited by third party
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

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SU502950A1 (ru) * 1972-07-28 1976-02-15 Институт черной металлургии Водоохлаждаема фурма дл рафинировани металла
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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
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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

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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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.