ATE307907T1 - Flüssiggekühlte lanze mit kohärentem strahl - Google Patents

Flüssiggekühlte lanze mit kohärentem strahl

Info

Publication number
ATE307907T1
ATE307907T1 AT01118541T AT01118541T ATE307907T1 AT E307907 T1 ATE307907 T1 AT E307907T1 AT 01118541 T AT01118541 T AT 01118541T AT 01118541 T AT01118541 T AT 01118541T AT E307907 T1 ATE307907 T1 AT E307907T1
Authority
AT
Austria
Prior art keywords
jeam
coherent
liquid
cooled lance
lance
Prior art date
Application number
AT01118541T
Other languages
English (en)
Inventor
John Erling Anderson
William John Mahoney
Balu Sarma
Dennis Robert Farrenkopf
Original Assignee
Praxair Technology 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 Praxair Technology Inc filed Critical Praxair Technology Inc
Application granted granted Critical
Publication of ATE307907T1 publication Critical patent/ATE307907T1/de

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
    • F27D99/00—Subject matter not provided for in other groups of this subclass
    • F27D99/0001—Heating elements or systems
    • F27D99/0033—Heating elements or systems using burners
    • 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
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B3/00—Hearth-type furnaces, e.g. of reverberatory type; Tank furnaces
    • F27B3/08—Hearth-type furnaces, e.g. of reverberatory type; Tank furnaces heated electrically, with or without any other source of heat
    • F27B3/085—Arc furnaces
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B3/00—Hearth-type furnaces, e.g. of reverberatory type; Tank furnaces
    • F27B3/10—Details, accessories, or equipment peculiar to hearth-type furnaces
    • F27B3/22—Arrangements of air or gas supply devices
    • F27B3/225—Oxygen blowing

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Carbon Steel Or Casting Steel Manufacturing (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
  • Furnace Housings, Linings, Walls, And Ceilings (AREA)
AT01118541T 2000-08-03 2001-08-01 Flüssiggekühlte lanze mit kohärentem strahl ATE307907T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/631,945 US6334976B1 (en) 2000-08-03 2000-08-03 Fluid cooled coherent jet lance

Publications (1)

Publication Number Publication Date
ATE307907T1 true ATE307907T1 (de) 2005-11-15

Family

ID=24533412

Family Applications (1)

Application Number Title Priority Date Filing Date
AT01118541T ATE307907T1 (de) 2000-08-03 2001-08-01 Flüssiggekühlte lanze mit kohärentem strahl

Country Status (7)

Country Link
US (1) US6334976B1 (de)
EP (1) EP1178121B1 (de)
AT (1) ATE307907T1 (de)
BR (1) BR0103173A (de)
CA (1) CA2354498C (de)
DE (1) DE60114317T2 (de)
ES (1) ES2246968T3 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6450799B1 (en) * 2001-12-04 2002-09-17 Praxair Technology, Inc. Coherent jet system using liquid fuel flame shroud
US6773484B2 (en) * 2002-06-26 2004-08-10 Praxair Technology, Inc. Extensionless coherent jet system with aligned flame envelope ports
US7438848B2 (en) * 2004-06-30 2008-10-21 The Boc Group, Inc. Metallurgical lance
US8142711B2 (en) * 2009-04-02 2012-03-27 Nu-Core, Inc. Forged copper burner enclosure

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1424029A (fr) 1964-01-06 1966-01-07 Union Carbide Corp Procédé et appareil pour introduire un courant de gaz de traitement dans un bain de métal en fusion
US4488682A (en) 1983-09-07 1984-12-18 Union Carbide Corporation Cooling system for post-mixed burner
US4622007A (en) 1984-08-17 1986-11-11 American Combustion, Inc. Variable heat generating method and apparatus
US5714113A (en) 1994-08-29 1998-02-03 American Combustion, Inc. Apparatus for electric steelmaking
US5823762A (en) 1997-03-18 1998-10-20 Praxair Technology, Inc. Coherent gas jet
US5814125A (en) * 1997-03-18 1998-09-29 Praxair Technology, Inc. Method for introducing gas into a liquid
US6125133A (en) 1997-03-18 2000-09-26 Praxair, Inc. Lance/burner for molten metal furnace
GB9708543D0 (en) 1997-04-25 1997-06-18 Boc Group Plc Particulate injection burner
US6096261A (en) * 1997-11-20 2000-08-01 Praxair Technology, Inc. Coherent jet injector lance

Also Published As

Publication number Publication date
US6334976B1 (en) 2002-01-01
EP1178121A3 (de) 2003-11-12
EP1178121A2 (de) 2002-02-06
DE60114317T2 (de) 2006-06-08
ES2246968T3 (es) 2006-03-01
DE60114317D1 (de) 2005-12-01
BR0103173A (pt) 2002-03-26
EP1178121B1 (de) 2005-10-26
CA2354498A1 (en) 2002-02-03
CA2354498C (en) 2005-11-01

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Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties