EP0776983A4 - Nozzle for blowing gas into molten metal and usage thereof - Google Patents

Nozzle for blowing gas into molten metal and usage thereof

Info

Publication number
EP0776983A4
EP0776983A4 EP96914400A EP96914400A EP0776983A4 EP 0776983 A4 EP0776983 A4 EP 0776983A4 EP 96914400 A EP96914400 A EP 96914400A EP 96914400 A EP96914400 A EP 96914400A EP 0776983 A4 EP0776983 A4 EP 0776983A4
Authority
EP
European Patent Office
Prior art keywords
usage
nozzle
molten metal
blowing gas
blowing
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.)
Granted
Application number
EP96914400A
Other languages
German (de)
French (fr)
Other versions
EP0776983B1 (en
EP0776983A1 (en
Inventor
Hiroshi Yamada
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.)
Japan Casting and Forging Corp
Original Assignee
Japan Casting and Forging 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
Application filed by Japan Casting and Forging Corp filed Critical Japan Casting and Forging Corp
Publication of EP0776983A1 publication Critical patent/EP0776983A1/en
Publication of EP0776983A4 publication Critical patent/EP0776983A4/en
Application granted granted Critical
Publication of EP0776983B1 publication Critical patent/EP0776983B1/en
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
    • 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
    • C21C5/48—Bottoms or tuyéres of converters
    • 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
    • C21C7/04—Removing impurities by adding a treating agent
    • C21C7/072—Treatment with gases
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D1/00—Treatment of fused masses in the ladle or the supply runners before casting
    • B22D1/002—Treatment with gases
    • B22D1/005—Injection assemblies therefor
EP96914400A 1995-05-25 1996-05-23 Nozzle for blowing gas into molten metal and usage thereof Expired - Lifetime EP0776983B1 (en)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
JP12610795 1995-05-25
JP12610795 1995-05-25
JP126107/95 1995-05-25
JP7324447A JPH0941024A (en) 1995-05-25 1995-12-13 Gas blowing nozzle into molten metal and its using method thereof
JP324447/95 1995-12-13
JP32444795 1995-12-13
PCT/JP1996/001356 WO1996037632A1 (en) 1995-05-25 1996-05-23 Nozzle for blowing gas into molten metal and usage thereof

Publications (3)

Publication Number Publication Date
EP0776983A1 EP0776983A1 (en) 1997-06-04
EP0776983A4 true EP0776983A4 (en) 1998-09-09
EP0776983B1 EP0776983B1 (en) 2001-09-26

Family

ID=26462336

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96914400A Expired - Lifetime EP0776983B1 (en) 1995-05-25 1996-05-23 Nozzle for blowing gas into molten metal and usage thereof

Country Status (7)

Country Link
EP (1) EP0776983B1 (en)
JP (2) JPH0941024A (en)
KR (1) KR100349870B1 (en)
CN (1) CN1053015C (en)
CA (1) CA2195541A1 (en)
DE (1) DE69615508T2 (en)
WO (1) WO1996037632A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10347947B4 (en) * 2003-10-15 2007-04-12 Maerz-Gautschi Industrieofenanlagen Gmbh Industrial furnace and associated nozzle element
JP4351715B2 (en) * 2007-09-10 2009-10-28 新日本製鐵株式会社 Tuna structure of melting furnace
EP2322300B8 (en) * 2008-07-28 2013-10-16 Nippon Steel & Sumitomo Metal Corporation Refractory for nozzle used in continuous casting and nozzle for continuous casting
ES2572686T3 (en) * 2014-05-05 2016-06-01 Refractory Intellectual Property Gmbh & Co. Kg Refractory ceramic element with gas scanning
EP3023173B9 (en) * 2014-09-29 2018-12-12 Refractory Intellectual Property GmbH & Co. KG Attachment device for a cylindrical ceramic hollow body and fireproof ceramic gas purging plug with such an attachment device
EP3290532B1 (en) * 2015-12-17 2020-05-06 TYK Corporation Converter furnace with bottom-blowing plug with improved workability
JP7107141B2 (en) * 2018-09-27 2022-07-27 日本製鉄株式会社 Converter tuyere structure

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2543576A1 (en) * 1983-03-30 1984-10-05 Messer Griesheim Gmbh METHOD AND INSTALLATION FOR SCANNING A METAL BATH FILLED IN PARTICULAR FROM STEEL IN A CASTING POUCH OR THE LIKE PROVIDED WITH A SHUTTER PLUG
DE3545763A1 (en) * 1985-12-21 1987-06-25 Didier Werke Ag GAS PUMP PLUG FOR A MELTING VESSEL
EP0566940A1 (en) * 1992-04-21 1993-10-27 Klöckner Cra Patent Gmbh A method and an apparatus for sealing tuyères in the surrounding refractory lining

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5952216B2 (en) * 1979-05-24 1984-12-18 住友金属工業株式会社 How to replace the gas blowing nozzle
JPS5881937A (en) * 1981-11-12 1983-05-17 Kawasaki Steel Corp Plug for injecting refining gas
JPS5952216A (en) * 1982-09-20 1984-03-26 Canon Inc Plural beam optical deflector
JPS6030834A (en) * 1983-07-14 1985-02-16 Fuji Electric Co Ltd Disk brake device
JPS6489947A (en) * 1987-09-30 1989-04-05 Aisin Seiki Generating set for vehicle
JPH0630834Y2 (en) * 1987-12-07 1994-08-17 川崎炉材株式会社 Gas blown tuyere structure for molten metal containers
JPH01172507A (en) * 1987-12-28 1989-07-07 Nippon Steel Corp Construction for fitting triple pie tuyere to furnace bottom
JPH0497835U (en) * 1991-01-11 1992-08-25
JP4610946B2 (en) * 2004-06-30 2011-01-12 株式会社島津製作所 Odor identification method

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2543576A1 (en) * 1983-03-30 1984-10-05 Messer Griesheim Gmbh METHOD AND INSTALLATION FOR SCANNING A METAL BATH FILLED IN PARTICULAR FROM STEEL IN A CASTING POUCH OR THE LIKE PROVIDED WITH A SHUTTER PLUG
DE3545763A1 (en) * 1985-12-21 1987-06-25 Didier Werke Ag GAS PUMP PLUG FOR A MELTING VESSEL
EP0566940A1 (en) * 1992-04-21 1993-10-27 Klöckner Cra Patent Gmbh A method and an apparatus for sealing tuyères in the surrounding refractory lining

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO9637632A1 *

Also Published As

Publication number Publication date
EP0776983B1 (en) 2001-09-26
CN1154720A (en) 1997-07-16
DE69615508D1 (en) 2001-10-31
JPH0941024A (en) 1997-02-10
CN1053015C (en) 2000-05-31
KR100349870B1 (en) 2003-01-06
DE69615508T2 (en) 2002-05-29
CA2195541A1 (en) 1996-11-28
EP0776983A1 (en) 1997-06-04
WO1996037632A1 (en) 1996-11-28
KR970704892A (en) 1997-09-06
JP3894502B2 (en) 2007-03-22

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