DE69332574T2 - Verfahren und Vorrichtung zur Vakuumentgasung von Stahlschmelzen - Google Patents

Verfahren und Vorrichtung zur Vakuumentgasung von Stahlschmelzen

Info

Publication number
DE69332574T2
DE69332574T2 DE69332574T DE69332574T DE69332574T2 DE 69332574 T2 DE69332574 T2 DE 69332574T2 DE 69332574 T DE69332574 T DE 69332574T DE 69332574 T DE69332574 T DE 69332574T DE 69332574 T2 DE69332574 T2 DE 69332574T2
Authority
DE
Germany
Prior art keywords
vacuum degassing
steel melts
degassing steel
melts
vacuum
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
DE69332574T
Other languages
English (en)
Other versions
DE69332574D1 (de
Inventor
Kazuo Oonuki
Teruyoshi Hiraoka
Hiroshi Nagahama
Kazuhisa Fukuda
Akira Nobumoto
Takahiro Isono
Atsumi Yamada
Hiroki Gofuku
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.)
Nippon Steel Corp
Original Assignee
Nippon Steel Corp
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
Priority claimed from JP4227469A external-priority patent/JP2759021B2/ja
Priority claimed from JP4227633A external-priority patent/JP2688310B2/ja
Application filed by Nippon Steel Corp filed Critical Nippon Steel Corp
Application granted granted Critical
Publication of DE69332574D1 publication Critical patent/DE69332574D1/de
Publication of DE69332574T2 publication Critical patent/DE69332574T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/10—Handling in a vacuum
    • 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
    • F27D3/00—Charging; Discharging; Manipulation of charge
    • F27D3/16—Introducing a fluid jet or current into the charge
    • F27D2003/162—Introducing a fluid jet or current into the charge the fluid being an oxidant or a fuel
    • F27D2003/163—Introducing a fluid jet or current into the charge the fluid being an oxidant or a fuel the fluid being an oxidant
    • F27D2003/164—Oxygen
    • 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
    • F27D3/00—Charging; Discharging; Manipulation of charge
    • F27D3/16—Introducing a fluid jet or current into the charge
    • F27D2003/162—Introducing a fluid jet or current into the charge the fluid being an oxidant or a fuel
    • F27D2003/165—Introducing a fluid jet or current into the charge the fluid being an oxidant or a fuel the fluid being a fuel
    • 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
    • F27D3/00—Charging; Discharging; Manipulation of charge
    • F27D3/16—Introducing a fluid jet or current into the charge
    • F27D2003/168—Introducing a fluid jet or current into the charge through a lance

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
DE69332574T 1992-08-26 1993-08-25 Verfahren und Vorrichtung zur Vakuumentgasung von Stahlschmelzen Expired - Lifetime DE69332574T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP4227469A JP2759021B2 (ja) 1992-08-26 1992-08-26 溶鋼の真空脱ガス処理方法
JP4227633A JP2688310B2 (ja) 1992-08-26 1992-08-26 真空脱ガス装置

Publications (2)

Publication Number Publication Date
DE69332574D1 DE69332574D1 (de) 2003-01-30
DE69332574T2 true DE69332574T2 (de) 2003-04-24

Family

ID=26527688

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69332574T Expired - Lifetime DE69332574T2 (de) 1992-08-26 1993-08-25 Verfahren und Vorrichtung zur Vakuumentgasung von Stahlschmelzen

Country Status (9)

Country Link
US (1) US5413623A (de)
EP (1) EP0584814B1 (de)
KR (1) KR960009169B1 (de)
CN (2) CN1034591C (de)
AU (2) AU653294B2 (de)
BR (1) BR9303475A (de)
CA (1) CA2104910C (de)
DE (1) DE69332574T2 (de)
ES (1) ES2188587T3 (de)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4442362C1 (de) * 1994-11-18 1996-04-18 Mannesmann Ag Verfahren und Vorrichtung zum Behandeln von einer in einem metallurgischen Gefäß befindlichen Metallschmelze
DE19518361C1 (de) * 1995-05-19 1996-08-08 Technometal Ges Fuer Metalltec Vakuumdichtes Reaktionsgefäß für die Stahlbehandlung mit einer Stopfbuchse
EP0785284B1 (de) * 1995-08-01 2002-11-13 Nippon Steel Corporation Verfahren zum vakuumfeinen von stahlschmelze
KR100270113B1 (ko) * 1996-10-08 2000-10-16 이구택 극저탄소강의 용강 제조장치
DE19811722C1 (de) * 1998-03-18 1999-09-09 Sms Vacmetal Ges Fuer Vacuumme Vorrichtung zum Vakuumfrischen von Metall-, insbesondere Stahlschmelzen
BR0011233B1 (pt) * 1999-05-07 2009-01-13 mÉtodo de tratamento de um metal fundido num dispositivo desgaseificador.
JP3666301B2 (ja) 1999-05-21 2005-06-29 Ｊｆｅスチール株式会社 真空脱ガス槽用複合ランス及びその使用方法
WO2000073525A1 (fr) * 1999-05-31 2000-12-07 Toyo Kohan Co., Ltd. Materiau de grille d'ouverture pour tube image couleur, son procede de fabrication, grille d'ouverture et tube image couleur
US7452401B2 (en) * 2006-06-28 2008-11-18 Praxair Technology, Inc. Oxygen injection method
BRPI0720287B1 (pt) * 2006-12-15 2017-05-09 Praxair Technology Inc método de injetar gás inerte no banho localizado dentro de um forno metalúrgico tendo uma atmosfera de forno aquecida.
AU2009279363B2 (en) * 2008-08-04 2015-11-19 Nucor Corporation Low cost making of a low carbon, low sulfur, and low nitrogen steel using conventional steelmaking equipment
UA104595C2 (uk) * 2008-08-04 2014-02-25 Ньюкор Корпорейшн Спосіб виробництва низьковуглецевої низькосірчистої низькоазотистої сталі з використанням звичайного сталеплавильного обладнання
KR20110054059A (ko) * 2008-09-16 2011-05-24 가부시키가이샤 아이에스티씨 용철의 제조 방법
US8523977B2 (en) 2011-01-14 2013-09-03 Nucor Corporation Method of desulfurizing steel
CN103056089A (zh) * 2012-12-18 2013-04-24 江西铜业股份有限公司 一种氧化、还原风管的制备工艺
JP6347200B2 (ja) * 2014-10-10 2018-06-27 新日鐵住金株式会社 Ｒｈ真空脱ガス設備の上吹きランス装置
JP6343844B2 (ja) * 2016-02-24 2018-06-20 Ｊｆｅスチール株式会社 真空脱ガス設備における溶鋼の精錬方法
US11047015B2 (en) 2017-08-24 2021-06-29 Nucor Corporation Manufacture of low carbon steel
CN109880973A (zh) * 2019-03-05 2019-06-14 北京科技大学 一种rh精炼过程钢液加热的方法
CN114480946B (zh) * 2020-11-12 2023-06-09 上海梅山钢铁股份有限公司 一种低铝包晶钢钢水的生产方法

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1226568A (fr) * 1959-02-21 1960-07-13 Siderurgie Fse Inst Rech Brûleur à flamme stable et à forte concentration calorifique obtenue par onde de choc
GB1145409A (en) * 1966-08-24 1969-03-12 Exxon Research Engineering Co Improvements in lance heads for thermal processes
US3439072A (en) * 1967-05-23 1969-04-15 United States Steel Corp Method of pre-heating a refractory lined vessel
GB1253581A (en) * 1968-02-24 1971-11-17 Maximilianshuette Eisenwerk Improvements in processes and apparatus for making steel
DE1904442B2 (de) * 1969-01-30 1978-01-19 Hoesch Werke Ag, 4600 Dortmund Verfahren zum vakuumfrischen von metallschmelzen
SE354082B (de) * 1970-10-01 1973-02-26 Stal Laval Apparat Ab
JPS5381416A (en) * 1976-12-28 1978-07-18 Nippon Steel Corp Vacuum degassing method for molten steel
JPS64217A (en) * 1987-02-06 1989-01-05 Kawasaki Steel Corp Vacuum refining method for molten steel
JPH01195239A (ja) * 1988-01-29 1989-08-07 Kawasaki Steel Corp 真空脱ガス槽内加熱方法およびその装置
EP0328851A1 (de) * 1988-02-16 1989-08-23 Acciaierie E Ferriere Lombarde Falck S.P.A. Vorrichtung zum Entkohlen von Stählen zu der Pfanne
CA1337846C (en) * 1988-06-21 1996-01-02 Hiroshi Nishikawa Process for vacuum degassing and decarbonization with temperature drop compensating feature
JP2575827B2 (ja) * 1988-07-18 1997-01-29 川崎製鉄株式会社 清浄度に優れた連続鋳造用極低炭素鋼の製造方法
US5221326A (en) * 1990-05-17 1993-06-22 Kawasaki Steel Corporation Method of producing ultra-low-carbon steel
AU657131B2 (en) * 1991-04-23 1995-03-02 Commonwealth Scientific And Industrial Research Organisation Lance for immersion in a pyrometallurgical bath and method involving the lance
AU647669B2 (en) * 1991-09-20 1994-03-24 Ausmelt Pty Ltd Top submergable lance

Also Published As

Publication number Publication date
BR9303475A (pt) 1994-03-15
AU664339B2 (en) 1995-11-09
CN1084222A (zh) 1994-03-23
EP0584814A3 (en) 1994-09-07
KR940004063A (ko) 1994-03-14
DE69332574D1 (de) 2003-01-30
CN1034591C (zh) 1997-04-16
AU4478993A (en) 1994-03-17
AU653294B2 (en) 1994-09-22
EP0584814A2 (de) 1994-03-02
US5413623A (en) 1995-05-09
EP0584814B1 (de) 2002-12-18
AU6874894A (en) 1994-10-20
CN1136085A (zh) 1996-11-20
CN1044821C (zh) 1999-08-25
ES2188587T3 (es) 2003-07-01
CA2104910A1 (en) 1994-02-27
CA2104910C (en) 1999-11-16
KR960009169B1 (en) 1996-07-16

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