BR8903188A - Processo para degaseificacao e descarbonizacao a vacuo por compensacao na queda da temperatura - Google Patents

Processo para degaseificacao e descarbonizacao a vacuo por compensacao na queda da temperatura

Info

Publication number
BR8903188A
BR8903188A BR898903188A BR8903188A BR8903188A BR 8903188 A BR8903188 A BR 8903188A BR 898903188 A BR898903188 A BR 898903188A BR 8903188 A BR8903188 A BR 8903188A BR 8903188 A BR8903188 A BR 8903188A
Authority
BR
Brazil
Prior art keywords
decarbonization
degasification
compensation
vacuum
falling temperature
Prior art date
Application number
BR898903188A
Other languages
English (en)
Inventor
Hiroshi Nishikawa
Kyoichi Kameyama
Ryuichi Asaho
Original Assignee
Kawasaki Steel Co
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 Kawasaki Steel Co filed Critical Kawasaki Steel Co
Publication of BR8903188A publication Critical patent/BR8903188A/pt

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

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)
BR898903188A 1988-06-21 1989-06-21 Processo para degaseificacao e descarbonizacao a vacuo por compensacao na queda da temperatura BR8903188A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15117588 1988-06-21

Publications (1)

Publication Number Publication Date
BR8903188A true BR8903188A (pt) 1990-02-13

Family

ID=15512946

Family Applications (1)

Application Number Title Priority Date Filing Date
BR898903188A BR8903188A (pt) 1988-06-21 1989-06-21 Processo para degaseificacao e descarbonizacao a vacuo por compensacao na queda da temperatura

Country Status (8)

Country Link
US (1) US4979983A (pt)
EP (1) EP0347884B1 (pt)
JP (1) JP2667007B2 (pt)
AU (1) AU622678B2 (pt)
BR (1) BR8903188A (pt)
CA (1) CA1337846C (pt)
DE (1) DE68906311T2 (pt)
ES (1) ES2040414T3 (pt)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4221266C1 (de) * 1992-06-26 1993-10-21 Mannesmann Ag Verfahren und Vorrichtung zum Aufblasen von Sauerstoff auf Metallschmelzen
AU653294B2 (en) * 1992-08-26 1994-09-22 Nippon Steel Corporation Process for vacuum degassing molten steel
JP2759021B2 (ja) * 1992-08-26 1998-05-28 新日本製鐵株式会社 溶鋼の真空脱ガス処理方法
US5356456A (en) * 1992-10-07 1994-10-18 Kawasaki Steel Corporation Method of degassing and decarburizing stainless molten steel
US5520718A (en) * 1994-09-02 1996-05-28 Inland Steel Company Steelmaking degassing method
DE19518900C1 (de) * 1995-05-26 1996-08-08 Technometal Ges Fuer Metalltec Verfahren zur Nachverbrennung von bei der Vakuumbehandlung von Stahl entstehenden Reaktionsgasen
EP1476584A1 (en) * 2002-02-22 2004-11-17 Vai Fuchs GmbH Method for deep decarburisation of steel melts
KR20040049621A (ko) * 2002-12-06 2004-06-12 주식회사 포스코 진공 탈가스 장치의 진공조 내부 가열방법
JP2009063265A (ja) * 2007-09-07 2009-03-26 Toshiba Carrier Corp 天井吊り下げ形空気調和機
UA104595C2 (uk) * 2008-08-04 2014-02-25 Ньюкор Корпорейшн Спосіб виробництва низьковуглецевої низькосірчистої низькоазотистої сталі з використанням звичайного сталеплавильного обладнання
DE102009039260A1 (de) * 2009-08-28 2011-03-03 Sms Siemag Ag Vorrichtung zur Entgasung einer Stahlschmelze mit einem verbesserten Auslaufrüssel
JP5621618B2 (ja) * 2011-01-24 2014-11-12 Ｊｆｅスチール株式会社 マンガン含有低炭素鋼の溶製方法
US8981995B2 (en) 2011-06-03 2015-03-17 Microsoft Technology Licensing, Llc. Low accuracy positional data by detecting improbable samples
JP6540773B2 (ja) * 2016-11-11 2019-07-10 Ｊｆｅスチール株式会社 真空脱ガス方法及び真空脱ガス装置
WO2019040704A1 (en) 2017-08-24 2019-02-28 Nucor Corporation IMPROVED MANUFACTURE OF LOW CARBON STEEL
CN109207676B (zh) * 2018-11-01 2020-08-14 北京首钢股份有限公司 一种rh热弯管防堵控制方法
KR102289528B1 (ko) * 2019-09-26 2021-08-12 현대제철 주식회사 용강의 온도 제어 방법
US11982279B2 (en) * 2022-01-27 2024-05-14 Cooper-Standard Automotive Inc. Pump with rotary valve

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1508155B1 (de) * 1966-08-10 1970-08-27 Hoerder Huettenunion Ag Vorrichtung zum Einfuehren von Zusatzstoffen in ein Stahlentgasungsgefaess
DE1904442B2 (de) * 1969-01-30 1978-01-19 Hoesch Werke Ag, 4600 Dortmund Verfahren zum vakuumfrischen von metallschmelzen
DE2114600B2 (de) * 1971-03-25 1981-05-07 Vacmetal Gesellschaft für Vakuum-Metallurgie mbH, 4600 Dortmund Verfahren zur gezielten Vakuumentkohlung hochlegierter Stähle
JPS5288215A (en) * 1976-01-17 1977-07-23 Kawasaki Steel Co Manufacture of alloy steel by vacuum refining
JPS5392319A (en) * 1977-01-25 1978-08-14 Nisshin Steel Co Ltd Method of making ultralowwcarbon stainless steel
JPS5562118A (en) * 1978-10-30 1980-05-10 Kawasaki Steel Corp Preheating method for degassing vessel
JPS5952203B2 (ja) * 1979-03-22 1984-12-18 住友金属工業株式会社 極低炭素鋼の製造方法
US4615511A (en) * 1982-02-24 1986-10-07 Sherwood William L Continuous steelmaking and casting
JPS5967310A (ja) * 1982-10-07 1984-04-17 Nippon Steel Corp Ｃｏ↓２ガスを用いた真空脱炭精錬方法
JPS60169507A (ja) * 1984-02-15 1985-09-03 Nippon Steel Corp 補助ランスを用いる製鋼法

Also Published As

Publication number Publication date
AU622678B2 (en) 1992-04-16
ES2040414T3 (es) 1993-10-16
EP0347884A2 (en) 1989-12-27
DE68906311D1 (de) 1993-06-09
AU3673389A (en) 1990-01-04
DE68906311T2 (de) 1993-12-09
CA1337846C (en) 1996-01-02
EP0347884B1 (en) 1993-05-05
JP2667007B2 (ja) 1997-10-22
EP0347884A3 (en) 1990-03-28
US4979983A (en) 1990-12-25
JPH0277518A (ja) 1990-03-16

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Legal Events

Date Code Title Description
FB20 Grant procedure suspended (art. 20)
FF Decision: intention to grant
FG9A Patent or certificate of addition granted
B21A Patent or certificate of addition expired [chapter 21.1 patent gazette]

Free format text: PATENTE EXTINTA EM 21/06/2009