CL2007003654A1 - Metodo; y aparato para inyectar un chorro coherente supersonico de un gas inerte dentro de una colada situada en el interior de un horno metalurgico que tiene una atmosfera calentada en el horno. - Google Patents

Metodo; y aparato para inyectar un chorro coherente supersonico de un gas inerte dentro de una colada situada en el interior de un horno metalurgico que tiene una atmosfera calentada en el horno.

Info

Publication number
CL2007003654A1
CL2007003654A1 CL200703654A CL2007003654A CL2007003654A1 CL 2007003654 A1 CL2007003654 A1 CL 2007003654A1 CL 200703654 A CL200703654 A CL 200703654A CL 2007003654 A CL2007003654 A CL 2007003654A CL 2007003654 A1 CL2007003654 A1 CL 2007003654A1
Authority
CL
Chile
Prior art keywords
oven
colada
injecting
inert gas
metallurgical
Prior art date
Application number
CL200703654A
Other languages
English (en)
Inventor
John Mahoney Y Gary Th William
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
Publication of CL2007003654A1 publication Critical patent/CL2007003654A1/es

Links

Classifications

    • 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
    • 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
    • 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
    • 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

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)
  • Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
  • Carbon Steel Or Casting Steel Manufacturing (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
  • Gas Burners (AREA)
CL200703654A 2006-12-15 2007-12-17 Metodo; y aparato para inyectar un chorro coherente supersonico de un gas inerte dentro de una colada situada en el interior de un horno metalurgico que tiene una atmosfera calentada en el horno. CL2007003654A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US87511206P 2006-12-15 2006-12-15

Publications (1)

Publication Number Publication Date
CL2007003654A1 true CL2007003654A1 (es) 2008-08-22

Family

ID=39278346

Family Applications (1)

Application Number Title Priority Date Filing Date
CL200703654A CL2007003654A1 (es) 2006-12-15 2007-12-17 Metodo; y aparato para inyectar un chorro coherente supersonico de un gas inerte dentro de una colada situada en el interior de un horno metalurgico que tiene una atmosfera calentada en el horno.

Country Status (6)

Country Link
US (1) US7959708B2 (es)
CN (1) CN101568651B (es)
BR (1) BRPI0720287B1 (es)
CL (1) CL2007003654A1 (es)
TW (1) TW200900508A (es)
WO (1) WO2008076901A1 (es)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7452401B2 (en) * 2006-06-28 2008-11-18 Praxair Technology, Inc. Oxygen injection method
WO2008076901A1 (en) 2006-12-15 2008-06-26 Praxair Technology, Inc. Injection method for inert gas
US8377372B2 (en) 2009-11-30 2013-02-19 L'air Liquide Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Dynamic lances utilizing fluidic techniques
US8323558B2 (en) 2009-11-30 2012-12-04 L'air Liquide Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Dynamic control of lance utilizing counterflow fluidic techniques
KR101778655B1 (ko) * 2010-09-14 2017-09-14 오사까 가스 가부시키가이샤 용해로용 연소 장치 및 용해로
US20170110345A1 (en) 2015-10-14 2017-04-20 Tokyo Electron Limited Dispense nozzle with a shielding device
JP6863189B2 (ja) * 2017-09-05 2021-04-21 トヨタ自動車株式会社 水素ガスバーナー装置用のノズル構造体
CN107829844B (zh) * 2017-09-28 2019-07-16 西安航天动力试验技术研究所 一种四角切圆式的注气装置
DE102019209898A1 (de) * 2019-07-04 2021-01-07 Schmid Silicon Technology Gmbh Vorrichtung und Verfahren zur Bildung von flüssigem Silizium
CN112251565A (zh) * 2020-09-30 2021-01-22 联峰钢铁（张家港）有限公司 一种高效钢包底吹氩工艺
RU2770917C1 (ru) * 2021-10-21 2022-04-25 Публичное акционерное общество «Авиационная корпорация «Рубин» Устройство для рафинирования сплава антифрикционной бронзы продувкой

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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
GB1371978A (en) 1971-12-10 1974-10-30 Centre Rech Metallurgique Injecting liquid fuel into a high-temperature environment by means of a burner
ZA775918B (en) * 1977-01-11 1978-05-30 Nat Steel Corp The use of orgon to prepare low-carbon,low-nitrogen steels in the basic oxygen process
US4210442A (en) * 1979-02-07 1980-07-01 Union Carbide Corporation Argon in the basic oxygen process to control slopping
US4397685A (en) * 1982-03-26 1983-08-09 Union Carbide Corporation Production of ultra low carbon steel by the basic oxygen process
US4622007A (en) * 1984-08-17 1986-11-11 American Combustion, Inc. Variable heat generating method and apparatus
AU653294B2 (en) * 1992-08-26 1994-09-22 Nippon Steel Corporation Process for vacuum degassing molten steel
US5599375A (en) * 1994-08-29 1997-02-04 American Combustion, Inc. Method for electric steelmaking
US5714113A (en) * 1994-08-29 1998-02-03 American Combustion, Inc. Apparatus for electric steelmaking
JP3182490B2 (ja) 1994-09-02 2001-07-03 住友金属工業株式会社 製鋼用電気炉
DE4442362C1 (de) * 1994-11-18 1996-04-18 Mannesmann Ag Verfahren und Vorrichtung zum Behandeln von einer in einem metallurgischen Gefäß befindlichen Metallschmelze
GB9519303D0 (en) * 1995-09-21 1995-11-22 Boc Group Plc A burner
JP3181222B2 (ja) 1996-06-20 2001-07-03 住友金属工業株式会社 電気炉用高速純酸素助燃バーナ
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US6125133A (en) * 1997-03-18 2000-09-26 Praxair, Inc. Lance/burner for molten metal furnace
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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
IT1302798B1 (it) * 1998-11-10 2000-09-29 Danieli & C Ohg Sp Dispositivo integrato per l'iniezione di ossigeno e gastecnologici e per l'insufflaggio di materiale solido in
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US6142764A (en) * 1999-09-02 2000-11-07 Praxair Technology, Inc. Method for changing the length of a coherent jet
US6261338B1 (en) * 1999-10-12 2001-07-17 Praxair Technology, Inc. Gas and powder delivery system and method of use
EP1179602A1 (fr) * 2000-08-07 2002-02-13 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Procédé d'injection d'un gaz à l'aide d'une tuyère
JP2002288115A (ja) 2001-03-27 2002-10-04 Ricoh Co Ltd Ｕｓｂコントローラ
US6450799B1 (en) * 2001-12-04 2002-09-17 Praxair Technology, Inc. Coherent jet system using liquid fuel flame shroud
JP3509021B2 (ja) 2002-04-26 2004-03-22 東芝テック株式会社 充電装置
US6604937B1 (en) * 2002-05-24 2003-08-12 Praxair Technology, Inc. Coherent jet system with single ring flame envelope
US6773484B2 (en) * 2002-06-26 2004-08-10 Praxair Technology, Inc. Extensionless coherent jet system with aligned flame envelope ports
US6932854B2 (en) * 2004-01-23 2005-08-23 Praxair Technology, Inc. Method for producing low carbon steel
US7452401B2 (en) * 2006-06-28 2008-11-18 Praxair Technology, Inc. Oxygen injection method
WO2008076901A1 (en) 2006-12-15 2008-06-26 Praxair Technology, Inc. Injection method for inert gas

Also Published As

Publication number Publication date
US20100044930A1 (en) 2010-02-25
CN101568651A (zh) 2009-10-28
CN101568651B (zh) 2012-06-27
WO2008076901A1 (en) 2008-06-26
WO2008076901A8 (en) 2009-02-05
BRPI0720287B1 (pt) 2017-05-09
TW200900508A (en) 2009-01-01
BRPI0720287A2 (pt) 2014-02-04
US7959708B2 (en) 2011-06-14

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