JP2009501279A - コヒーレント・ジェットの形成方法 - Google Patents
コヒーレント・ジェットの形成方法 Download PDFInfo
- Publication number
- JP2009501279A JP2009501279A JP2008521564A JP2008521564A JP2009501279A JP 2009501279 A JP2009501279 A JP 2009501279A JP 2008521564 A JP2008521564 A JP 2008521564A JP 2008521564 A JP2008521564 A JP 2008521564A JP 2009501279 A JP2009501279 A JP 2009501279A
- Authority
- JP
- Japan
- Prior art keywords
- gas
- fuel
- oxidant
- gas stream
- injection device
- 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.)
- Pending
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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
-
- 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
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
- F23D14/72—Safety devices, e.g. operative in case of failure of gas supply
- F23D14/74—Preventing flame lift-off
-
- 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
-
- 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
- C21C5/52—Manufacture of steel in electric furnaces
- C21C5/5211—Manufacture of steel in electric furnaces in an alternating current [AC] electric arc furnace
- C21C5/5217—Manufacture of steel in electric furnaces in an alternating current [AC] electric arc furnace equipped with burners or devices for injecting gas, i.e. oxygen, or pulverulent materials into the furnace
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Gas Burners (AREA)
- Treatment Of Steel In Its Molten State (AREA)
- Pre-Mixing And Non-Premixing Gas Burner (AREA)
- Furnace Details (AREA)
Abstract
Description
Claims (10)
- 容器内にコヒーレント・ガス・ジェットを形成し維持する方法であって、ガスをガス流に超音速で噴射デバイスから真空状態が確立される前記容器内に噴射すること、燃料及び酸化剤を亜音速で前記容器内に前記ガス流の周囲に供給すること、及び、前記燃料及び酸化剤を燃焼して前記ガス流の周囲に火炎エンベロープを形成し、前記ガス流をコヒーレント・ガス・ジェットとして形成し維持することを含む方法。
- 前記燃料と酸化剤の化学量論比が2よりも大きい、請求項1に記載の方法。
- 前記ガスが酸素を含む、請求項1に記載の方法。
- 前記燃料及び酸化剤が前記容器内に前記噴射デバイスのポートの単一リングから供給される、請求項1に記載の方法。
- 前記ガス、燃料、及び酸化剤が前記噴射デバイス上の延長部によって形成される再循環容積内に最初に通され、その後前記容器内に通される、請求項1に記載の方法。
- 溶融金属を含み前記溶融金属の上方のヘッドスペースを有する冶金容器の作動方法であって、ガスをガス流に超音速で噴射デバイスから真空状態が確立される前記ヘッドスペース内に噴射すること、燃料及び酸化剤を亜音速で前記ヘッドスペース内に前記ガス流の周囲に供給すること、前記燃料及び酸化剤を燃焼して前記ガス流の周囲に火炎エンベロープを形成すること、及びガスを前記ガス流から前記溶融金属に通過させることを含む方法。
- 前記燃料と酸化剤の化学量論比が2よりも大きい、請求項6に記載の方法。
- 前記ガスが酸素を含む、請求項6に記載の方法。
- 前記燃料及び酸化剤が前記容器内に前記噴射デバイスのポートの単一リングから供給される、請求項6に記載の方法。
- 前記ガス、燃料、及び酸化剤が前記噴射デバイス上の延長部によって形成される再循環容積内に最初に通され、その後、前記ヘッドスペース内に通される、請求項6に記載の方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/179,616 US7297180B2 (en) | 2005-07-13 | 2005-07-13 | Method for operating a vacuum vessel with a coherent jet |
PCT/US2006/027034 WO2007008973A2 (en) | 2005-07-13 | 2006-07-11 | Method for forming a coherent jet |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2009501279A true JP2009501279A (ja) | 2009-01-15 |
Family
ID=37488126
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008521564A Pending JP2009501279A (ja) | 2005-07-13 | 2006-07-11 | コヒーレント・ジェットの形成方法 |
Country Status (10)
Country | Link |
---|---|
US (1) | US7297180B2 (ja) |
EP (1) | EP1915574B1 (ja) |
JP (1) | JP2009501279A (ja) |
KR (1) | KR101203809B1 (ja) |
CN (1) | CN101163920B (ja) |
BR (1) | BRPI0613450B8 (ja) |
CA (1) | CA2614970C (ja) |
ES (1) | ES2553991T3 (ja) |
MX (1) | MX2008000579A (ja) |
WO (1) | WO2007008973A2 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2019052333A (ja) * | 2017-09-12 | 2019-04-04 | 新日鐵住金株式会社 | 溶鋼の精錬装置及び溶鋼の精錬方法 |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100897334B1 (ko) | 2008-04-30 | 2009-05-15 | 현대자동차주식회사 | 충격 흡수판 |
US8603203B2 (en) * | 2010-04-12 | 2013-12-10 | Samsung Sdi Co., Ltd. | Burner nozzle assembly and fuel reformer having the same |
CN105463210A (zh) * | 2015-12-26 | 2016-04-06 | 杨伟燕 | 一种高杂质铜精矿的冶炼方法 |
US11313554B2 (en) | 2016-12-19 | 2022-04-26 | Praxair Technology, Inc. | Fluidic burner with heat stability |
US11098894B2 (en) | 2018-07-11 | 2021-08-24 | Praxair Technology, Inc. | Multifunctional fluidic burner |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0674425A (ja) * | 1992-07-10 | 1994-03-15 | Sumitomo Metal Ind Ltd | 多目的バーナ |
JPH07145423A (ja) * | 1993-09-30 | 1995-06-06 | Kawasaki Steel Corp | 真空脱ガス槽内に挿入する水冷ランスおよびその閉塞防止方法 |
JP2000313913A (ja) * | 1999-04-02 | 2000-11-14 | Praxair Technol Inc | 多重コヒーレントジェットランス |
JP2000328134A (ja) * | 1999-05-21 | 2000-11-28 | Kawasaki Steel Corp | 真空脱ガス槽用複合ランス及びその使用方法 |
JP2002523631A (ja) * | 1998-08-28 | 2002-07-30 | ヴォエスト・アルピーネ・インデュストリーアンラーゲンバウ・ゲーエムベーハー | 金属融液の製造方法ならびにその方法において使用される多機能ランス |
JP2003287203A (ja) * | 2001-12-04 | 2003-10-10 | Praxair Technol Inc | 液体燃料の火炎シュラウドを用いるコヒーレントジェットシステム |
WO2004007776A2 (en) * | 2002-07-11 | 2004-01-22 | Danieli & C. Officine Meccaniche S.P.A. | Injector-burner for metal melting furnaces |
Family Cites Families (15)
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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 |
US3889933A (en) * | 1974-02-28 | 1975-06-17 | Int Nickel Canada | Metallurgical lance |
US5266024A (en) * | 1992-09-28 | 1993-11-30 | Praxair Technology, Inc. | Thermal nozzle combustion method |
US5700421A (en) * | 1992-11-25 | 1997-12-23 | Bissonnette; Claude | Cutting nozzle assembly for a postmixed oxy-fuel gas torch |
DE4442362C1 (de) * | 1994-11-18 | 1996-04-18 | Mannesmann Ag | Verfahren und Vorrichtung zum Behandeln von einer in einem metallurgischen Gefäß befindlichen Metallschmelze |
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 |
GB9709205D0 (en) * | 1997-05-07 | 1997-06-25 | Boc Group Plc | Oxy/oil swirl burner |
DE19755876C2 (de) * | 1997-12-04 | 2000-02-24 | Mannesmann Ag | Blaslanze zum Behandeln von metallischen Schmelzen und Verfahren zum Einblasen von Gasen |
DE19817590C1 (de) * | 1998-04-20 | 1999-03-18 | Technometal Ges Fuer Metalltec | Variabel einsetzbare Kombilanze |
US6142764A (en) * | 1999-09-02 | 2000-11-07 | Praxair Technology, Inc. | Method for changing the length of a coherent jet |
US6776484B2 (en) | 2001-03-05 | 2004-08-17 | Salvatore Tribuiani | Pair of spectacles with automatic bow opening mechanism |
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 |
US6875398B2 (en) * | 2003-01-15 | 2005-04-05 | Praxair Technology, Inc. | Coherent jet system with outwardly angled flame envelope ports |
-
2005
- 2005-07-13 US US11/179,616 patent/US7297180B2/en active Active
-
2006
- 2006-07-11 CA CA2614970A patent/CA2614970C/en not_active Expired - Fee Related
- 2006-07-11 ES ES06787003.0T patent/ES2553991T3/es active Active
- 2006-07-11 CN CN2006800130028A patent/CN101163920B/zh not_active Expired - Fee Related
- 2006-07-11 WO PCT/US2006/027034 patent/WO2007008973A2/en active Application Filing
- 2006-07-11 MX MX2008000579A patent/MX2008000579A/es active IP Right Grant
- 2006-07-11 JP JP2008521564A patent/JP2009501279A/ja active Pending
- 2006-07-11 EP EP06787003.0A patent/EP1915574B1/en not_active Not-in-force
- 2006-07-11 KR KR1020087003383A patent/KR101203809B1/ko active IP Right Grant
- 2006-07-11 BR BRPI0613450A patent/BRPI0613450B8/pt not_active IP Right Cessation
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0674425A (ja) * | 1992-07-10 | 1994-03-15 | Sumitomo Metal Ind Ltd | 多目的バーナ |
JPH07145423A (ja) * | 1993-09-30 | 1995-06-06 | Kawasaki Steel Corp | 真空脱ガス槽内に挿入する水冷ランスおよびその閉塞防止方法 |
JP2002523631A (ja) * | 1998-08-28 | 2002-07-30 | ヴォエスト・アルピーネ・インデュストリーアンラーゲンバウ・ゲーエムベーハー | 金属融液の製造方法ならびにその方法において使用される多機能ランス |
JP2000313913A (ja) * | 1999-04-02 | 2000-11-14 | Praxair Technol Inc | 多重コヒーレントジェットランス |
JP2000328134A (ja) * | 1999-05-21 | 2000-11-28 | Kawasaki Steel Corp | 真空脱ガス槽用複合ランス及びその使用方法 |
JP2003287203A (ja) * | 2001-12-04 | 2003-10-10 | Praxair Technol Inc | 液体燃料の火炎シュラウドを用いるコヒーレントジェットシステム |
WO2004007776A2 (en) * | 2002-07-11 | 2004-01-22 | Danieli & C. Officine Meccaniche S.P.A. | Injector-burner for metal melting furnaces |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2019052333A (ja) * | 2017-09-12 | 2019-04-04 | 新日鐵住金株式会社 | 溶鋼の精錬装置及び溶鋼の精錬方法 |
Also Published As
Publication number | Publication date |
---|---|
CA2614970A1 (en) | 2007-01-18 |
WO2007008973A3 (en) | 2007-03-01 |
US20070012139A1 (en) | 2007-01-18 |
ES2553991T3 (es) | 2015-12-15 |
WO2007008973A8 (en) | 2007-12-13 |
CN101163920A (zh) | 2008-04-16 |
EP1915574B1 (en) | 2015-11-18 |
WO2007008973A2 (en) | 2007-01-18 |
BRPI0613450B1 (pt) | 2018-10-09 |
US7297180B2 (en) | 2007-11-20 |
CN101163920B (zh) | 2011-07-06 |
BRPI0613450A2 (pt) | 2012-11-06 |
KR20080040705A (ko) | 2008-05-08 |
EP1915574A2 (en) | 2008-04-30 |
KR101203809B1 (ko) | 2012-11-22 |
BRPI0613450B8 (pt) | 2019-11-19 |
CA2614970C (en) | 2014-03-11 |
MX2008000579A (es) | 2008-03-14 |
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