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KR960009169B1 - Process and apparatus for vacuum degassing molten steel - Google Patents

Process and apparatus for vacuum degassing molten steel Download PDF

Info

Publication number
KR960009169B1
KR960009169B1 KR93016589A KR930016589A KR960009169B1 KR 960009169 B1 KR960009169 B1 KR 960009169B1 KR 93016589 A KR93016589 A KR 93016589A KR 930016589 A KR930016589 A KR 930016589A KR 960009169 B1 KR960009169 B1 KR 960009169B1
Authority
KR
South Korea
Prior art keywords
molten steel
vacuum degassing
degassing molten
vacuum
steel
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
KR93016589A
Other languages
English (en)
Other versions
KR940004063A (ko
Inventor
Kazuo Onuki
Teruyoshi Hiraoka
Hiroshi Nagahama
Kazuhisa Fukuda
Akira Nobemoto
Isono Takahiro
Yamada Atsumi
Gofuku Hiroki
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
Publication of KR940004063A publication Critical patent/KR940004063A/ko
Application granted granted Critical
Publication of KR960009169B1 publication Critical patent/KR960009169B1/ko
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)
KR93016589A 1992-08-26 1993-08-25 Process and apparatus for vacuum degassing molten steel Expired - Lifetime KR960009169B1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP92-227469 1992-08-26
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
JP92-227633 1992-08-26

Publications (2)

Publication Number Publication Date
KR940004063A KR940004063A (ko) 1994-03-14
KR960009169B1 true KR960009169B1 (en) 1996-07-16

Family

ID=26527688

Family Applications (1)

Application Number Title Priority Date Filing Date
KR93016589A Expired - Lifetime KR960009169B1 (en) 1992-08-26 1993-08-25 Process and apparatus for vacuum degassing molten steel

Country Status (9)

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

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* 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
WO1997005291A1 (en) * 1995-08-01 1997-02-13 Nippon Steel Corporation Process for vacuum refining of molten steel
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
DE19817590C1 (de) * 1998-04-20 1999-03-18 Technometal Ges Fuer Metalltec Variabel einsetzbare Kombilanze
WO2000068442A1 (en) * 1999-05-07 2000-11-16 Sidmar N.V. Method of decarburisation and dephosphorisation of a molten metal
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
CN1118585C (zh) * 1999-05-31 2003-08-20 东洋钢钣株式会社 彩色显象管的荫栅材料、其制造方法、荫栅及彩色显象管
RU2213147C2 (ru) * 2001-09-28 2003-09-27 Шатохин Игорь Михайлович Способ циркуляционного вакуумирования жидкого металла, система и устройства для его осуществления
US7452401B2 (en) * 2006-06-28 2008-11-18 Praxair Technology, Inc. Oxygen injection method
RU2325448C2 (ru) * 2006-07-06 2008-05-27 Открытое акционерное общество "Магнитогорский металлургический комбинат" Способ внепечной обработки стали
WO2008076901A1 (en) * 2006-12-15 2008-06-26 Praxair Technology, Inc. Injection method for inert gas
KR101689633B1 (ko) 2008-08-04 2016-12-26 누코 코포레이션 종래의 제강설비를 사용하는 저탄소, 저황, 및 저질소 강의 저비용 제조방법
UA104595C2 (uk) * 2008-08-04 2014-02-25 Ньюкор Корпорейшн Спосіб виробництва низьковуглецевої низькосірчистої низькоазотистої сталі з використанням звичайного сталеплавильного обладнання
CN102159731B (zh) * 2008-09-16 2014-10-29 株式会社Istc 制造熔融铁的方法
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
KR102150412B1 (ko) * 2016-02-24 2020-09-01 제이에프이 스틸 가부시키가이샤 진공 탈가스 설비에 있어서의 용강의 정련 방법
CN111194357A (zh) 2017-08-24 2020-05-22 纽科尔公司 低碳钢的改进制造
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 (ko) * 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 (en) * 1988-02-16 1989-08-23 Acciaierie E Ferriere Lombarde Falck S.P.A. An apparatus for decarbonizing steels directly in the ladle
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
DE69332574D1 (de) 2003-01-30
DE69332574T2 (de) 2003-04-24
CA2104910A1 (en) 1994-02-27
CN1044821C (zh) 1999-08-25
AU6874894A (en) 1994-10-20
CN1034591C (zh) 1997-04-16
AU653294B2 (en) 1994-09-22
BR9303475A (pt) 1994-03-15
CA2104910C (en) 1999-11-16
AU664339B2 (en) 1995-11-09
EP0584814B1 (en) 2002-12-18
EP0584814A2 (en) 1994-03-02
ES2188587T3 (es) 2003-07-01
KR940004063A (ko) 1994-03-14
AU4478993A (en) 1994-03-17
EP0584814A3 (en) 1994-09-07
US5413623A (en) 1995-05-09
CN1084222A (zh) 1994-03-23
CN1136085A (zh) 1996-11-20

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