DE69719870D1 - Unterdrücken der Bildung von Lanzenbären bei der Stahlerzeugung - Google Patents

Unterdrücken der Bildung von Lanzenbären bei der Stahlerzeugung

Info

Publication number
DE69719870D1
DE69719870D1 DE69719870T DE69719870T DE69719870D1 DE 69719870 D1 DE69719870 D1 DE 69719870D1 DE 69719870 T DE69719870 T DE 69719870T DE 69719870 T DE69719870 T DE 69719870T DE 69719870 D1 DE69719870 D1 DE 69719870D1
Authority
DE
Germany
Prior art keywords
steelmaking
lance
bears
suppression
formation
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
DE69719870T
Other languages
English (en)
Inventor
Chung S Kim
Ken M Goodson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ltv Steel Co Inc
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
Application granted granted Critical
Publication of DE69719870D1 publication Critical patent/DE69719870D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Carbon Steel Or Casting Steel Manufacturing (AREA)
  • Furnace Charging Or Discharging (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
DE69719870T 1996-06-25 1997-06-16 Unterdrücken der Bildung von Lanzenbären bei der Stahlerzeugung Expired - Lifetime DE69719870D1 (de)

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
DE69719870D1 true DE69719870D1 (de) 2003-04-24

Family

ID=24689102

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69719870T Expired - Lifetime DE69719870D1 (de) 1996-06-25 1997-06-16 Unterdrücken der Bildung von Lanzenbären bei der Stahlerzeugung

Country Status (8)

Country Link
US (1) US5830259A (de)
EP (1) EP0816517B1 (de)
JP (1) JPH1030111A (de)
KR (1) KR980002273A (de)
AU (1) AU730594B2 (de)
BR (1) BR9701471A (de)
CA (1) CA2208470A1 (de)
DE (1) DE69719870D1 (de)

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

Family Cites Families (55)

* Cited by examiner, † Cited by third party
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 (de) * 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 (de) * 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 (de) * 1989-08-18 1996-04-10 Nippon Steel Corporation Verfahren zur Herstellung nichtorientierter Stahlbleche mit hoher magnetischer Flussdichte
BE1003516A3 (fr) * 1989-10-09 1992-04-14 Rech S Et Dev Desaar Lance de soufflage multi-tubes.
IN178636B (de) * 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 (de) 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
EP0816517A1 (de) 1998-01-07
AU1495997A (en) 1998-01-15
BR9701471A (pt) 1998-11-17

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Legal Events

Date Code Title Description
8332 No legal effect for de