ATE258998T1 - Lanzensystem zum einblasen von gas und feststoffen mit koherentem strahl - Google Patents

Lanzensystem zum einblasen von gas und feststoffen mit koherentem strahl

Info

Publication number
ATE258998T1
ATE258998T1 AT00122010T AT00122010T ATE258998T1 AT E258998 T1 ATE258998 T1 AT E258998T1 AT 00122010 T AT00122010 T AT 00122010T AT 00122010 T AT00122010 T AT 00122010T AT E258998 T1 ATE258998 T1 AT E258998T1
Authority
AT
Austria
Prior art keywords
solids
injection
gas
coherent jet
lance system
Prior art date
Application number
AT00122010T
Other languages
English (en)
Inventor
William John Mahoney
John Erling Anderson
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 ATE258998T1 publication Critical patent/ATE258998T1/de

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
    • 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
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/20—Non-premix gas burners, i.e. in which gaseous fuel is mixed with combustion air on arrival at the combustion zone
    • F23D14/22—Non-premix gas burners, i.e. in which gaseous fuel is mixed with combustion air on arrival at the combustion zone with separate air and gas feed ducts, e.g. with ducts running parallel or crossing each other
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/32—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid using a mixture of gaseous fuel and pure oxygen or oxygen-enriched air
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D17/00—Burners for combustion conjointly or alternatively of gaseous or liquid or pulverulent fuel
    • F23D17/005—Burners for combustion conjointly or alternatively of gaseous or liquid or pulverulent fuel gaseous or pulverulent fuel
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
    • F23L7/00—Supplying non-combustible liquids or gases, other than air, to the fire, e.g. oxygen, steam
    • 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
    • F27D3/18—Charging particulate material using a fluid carrier
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN  A CARRIER GAS OR AIR 
    • F23C2900/00—Special features of, or arrangements for combustion apparatus using fluid fuels or solid fuels suspended in air; Combustion processes therefor
    • F23C2900/07021—Details of lances
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
    • F23L2900/00—Special arrangements for supplying or treating air or oxidant for combustion; Injecting inert gas, water or steam into the combustion chamber
    • F23L2900/07002—Injecting inert gas, other than steam or evaporated water, into the combustion chambers
    • 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
    • F27D3/0025—Charging or loading melting furnaces with material in the solid state
    • F27D3/0026—Introducing additives into the melt

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Furnace Charging Or Discharging (AREA)
  • Nozzles (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
  • Carbon Steel Or Casting Steel Manufacturing (AREA)
  • Manufacture Of Iron (AREA)
  • Manufacture And Refinement Of Metals (AREA)
AT00122010T 1999-10-12 2000-10-10 Lanzensystem zum einblasen von gas und feststoffen mit koherentem strahl ATE258998T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/414,852 US6261338B1 (en) 1999-10-12 1999-10-12 Gas and powder delivery system and method of use

Publications (1)

Publication Number Publication Date
ATE258998T1 true ATE258998T1 (de) 2004-02-15

Family

ID=23643259

Family Applications (1)

Application Number Title Priority Date Filing Date
AT00122010T ATE258998T1 (de) 1999-10-12 2000-10-10 Lanzensystem zum einblasen von gas und feststoffen mit koherentem strahl

Country Status (12)

Country Link
US (1) US6261338B1 (de)
EP (1) EP1092785B1 (de)
JP (1) JP4068295B2 (de)
KR (1) KR100478024B1 (de)
CN (1) CN1144883C (de)
AR (1) AR025999A1 (de)
AT (1) ATE258998T1 (de)
BR (1) BR0004766A (de)
CA (1) CA2322676C (de)
DE (1) DE60008056T2 (de)
ES (1) ES2214999T3 (de)
MX (1) MXPA00009924A (de)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6176894B1 (en) * 1998-06-17 2001-01-23 Praxair Technology, Inc. Supersonic coherent gas jet for providing gas into a liquid
US6400747B1 (en) * 2001-05-18 2002-06-04 Praxair Technology, Inc. Quadrilateral assembly for coherent jet lancing and post combustion in an electric arc furnace
US6450799B1 (en) 2001-12-04 2002-09-17 Praxair Technology, Inc. Coherent jet system using liquid fuel flame shroud
GB0209365D0 (en) * 2002-04-24 2002-06-05 Boc Group Plc Injection of solids into liquids
US6604937B1 (en) * 2002-05-24 2003-08-12 Praxair Technology, Inc. Coherent jet system with single ring flame envelope
GB0213376D0 (en) 2002-06-11 2002-07-24 Boc Group Plc Refining ferroalloys
EP1469087A1 (de) * 2003-04-17 2004-10-20 Corus Technology BV Verfahren zum Entfernen von Verunreinigungen aus geschmolzenem Stahl
US7438848B2 (en) * 2004-06-30 2008-10-21 The Boc Group, Inc. Metallurgical lance
JP4288503B2 (ja) * 2004-11-25 2009-07-01 大同特殊鋼株式会社 粉体溶融バーナー
SG128596A1 (en) * 2005-06-13 2007-01-30 Victaulic Co Of America High velocity low pressure emitter
US7452401B2 (en) * 2006-06-28 2008-11-18 Praxair Technology, Inc. Oxygen injection method
DE102006044624B4 (de) * 2006-09-19 2008-07-10 Koch Membrane Systems Gmbh Vorrichtung zur Begasung einer Flüssigkeit
AR062764A1 (es) * 2006-11-06 2008-12-03 Victaulic Co Of America Metodo y aparato para secar redes de canerias equipadas con rociadores
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.
US10532237B2 (en) 2010-08-05 2020-01-14 Victaulic Company Dual mode agent discharge system with multiple agent discharge capability
DE102010064357A1 (de) 2010-12-29 2012-07-05 Sms Siemag Ag Verfahren zur pyrometallurgischen Behandlung von Metallen, Metallschmelzen und/oder Schlacken
WO2012149551A2 (en) 2011-04-29 2012-11-01 Berry Metal Company Gas and particulate delivery system and method for metallurgical vessel
CN102643951B (zh) * 2012-04-24 2013-12-11 北京科技大学 一种电弧炉炼钢中利用喷吹粉剂提高射流冲击效果的装置及方法
US20150176900A1 (en) * 2013-12-20 2015-06-25 American Air Liquide, Inc. Hybrid oxy-coal burner for eaf steelmaking
CN104075324B (zh) * 2014-06-19 2016-06-01 广东正鹏生物质能源科技有限公司 一种生物质燃气高效混合燃烧装置及其混合燃烧方法
JP6985382B2 (ja) * 2017-05-16 2021-12-22 住友化学株式会社 メチオニンの気流搬送方法
US11098894B2 (en) * 2018-07-11 2021-08-24 Praxair Technology, Inc. Multifunctional fluidic burner

Family Cites Families (13)

* 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
DE2855499C2 (de) 1978-12-22 1985-04-18 Klöckner-Humboldt-Deutz AG, 5000 Köln Aufblaslanze
US4426224A (en) 1981-12-25 1984-01-17 Sumitomo Kinzoku Kogyo Kabushiki Gaisha Lance for powder top-blow refining and process for decarburizing and refining steel by using the lance
US4857104A (en) 1988-03-09 1989-08-15 Inco Limited Process for reduction smelting of materials containing base metals
US5366537A (en) 1993-01-05 1994-11-22 Steel Technology Corporation Fuel and oxygen addition for metal smelting or refining process
US5714113A (en) 1994-08-29 1998-02-03 American Combustion, Inc. Apparatus for electric steelmaking
DE4442362C1 (de) * 1994-11-18 1996-04-18 Mannesmann Ag Verfahren und Vorrichtung zum Behandeln von einer in einem metallurgischen Gefäß befindlichen Metallschmelze
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
US6176894B1 (en) * 1998-06-17 2001-01-23 Praxair Technology, Inc. Supersonic coherent gas jet for providing gas into a liquid

Also Published As

Publication number Publication date
ES2214999T3 (es) 2004-10-01
JP4068295B2 (ja) 2008-03-26
KR100478024B1 (ko) 2005-03-22
KR20010050936A (ko) 2001-06-25
CA2322676A1 (en) 2001-04-12
AR025999A1 (es) 2002-12-26
CN1291528A (zh) 2001-04-18
DE60008056T2 (de) 2004-12-09
MXPA00009924A (es) 2002-05-23
CN1144883C (zh) 2004-04-07
EP1092785A1 (de) 2001-04-18
JP2001164311A (ja) 2001-06-19
EP1092785B1 (de) 2004-02-04
US6261338B1 (en) 2001-07-17
BR0004766A (pt) 2001-05-29
CA2322676C (en) 2003-09-16
DE60008056D1 (de) 2004-03-11

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Legal Events

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