KR100368517B1 - 액체풀안으로가스를도입하는방법 - Google Patents
액체풀안으로가스를도입하는방법 Download PDFInfo
- Publication number
- KR100368517B1 KR100368517B1 KR10-1998-0008701A KR19980008701A KR100368517B1 KR 100368517 B1 KR100368517 B1 KR 100368517B1 KR 19980008701 A KR19980008701 A KR 19980008701A KR 100368517 B1 KR100368517 B1 KR 100368517B1
- Authority
- KR
- South Korea
- Prior art keywords
- gas
- liquid pool
- lance
- liquid
- flow
- Prior art date
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
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/20—Mixing gases with liquids
- B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
- B01F23/234—Surface aerating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/20—Mixing gases with liquids
- B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
- B01F23/234—Surface aerating
- B01F23/2341—Surface aerating by cascading, spraying or projecting a liquid into a gaseous atmosphere
- B01F23/23413—Surface aerating by cascading, spraying or projecting a liquid into a gaseous atmosphere using nozzles for projecting the liquid into the gas atmosphere
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
- B01F25/20—Jet mixers, i.e. mixers using high-speed fluid streams
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
- B01F25/20—Jet mixers, i.e. mixers using high-speed fluid streams
- B01F25/21—Jet mixers, i.e. mixers using high-speed fluid streams with submerged injectors, e.g. nozzles, for injecting high-pressure jets into a large volume or into mixing chambers
-
- 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
- C21C5/30—Regulating or controlling the blowing
- C21C5/32—Blowing from above
-
- 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
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Carbon Steel Or Casting Steel Manufacturing (AREA)
- Nozzles (AREA)
- Treatment Of Steel In Its Molten State (AREA)
- Furnace Charging Or Discharging (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
- Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
- Surgical Instruments (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
Description
Claims (15)
- 액체 풀안으로 가스를 도입하는 방법에 있어서,A) 출구 직경(d)을 갖는 수렴/발산 노즐 및 액체 풀의 표면으로부터 20d이상의 거리 만큼 이격되어 있는 팁을 갖추고 있는 랜스로부터 가스를 배출함으로써, 상기 랜스의 팁으로부터의 배출시 초음속 초기 제트기류 축 속도를 가진 가스 흐름을 형성하는 단계,B) 상기 가스 흐름을, 상기 랜스의 팁으로부터 상기 액체 풀의 표면까지 연장하는 화염 엔빌로우프로 둘러쌈으로써, 상기 가스 흐름을 초음속 제트기류 축 속도를 가진 응집성 가스 흐름으로 전환하는 단계,C) 상기 응집성 가스 흐름이 접촉 점에서 초기 가스 속도의 50% 이상의 제트기류 축 속도를 가지도록, 상기 응집성 가스 흐름을 상기 액체 풀의 표면과 접촉한 상태로 20d 이상의 거리를 통과시키는 단계와, 그리고D) 상기 응집성 가스 흐름으로부터 상기 액체 풀의 표면을 통해서 상기 액체 풀안으로 가스를 통과시키는 단계를 포함하는 방법.
- 제 1 항에 있어서, 상기 가스는 산소를 포함하는 방법.
- 제 1 항에 있어서, 상기 가스는 질소를 포함하는 방법.
- 제 1 항에 있어서, 상기 가스는 아르곤을 포함하는 방법.
- 제 1 항에 있어서, 상기 가스는 이산화탄소를 포함하는 방법.
- 제 1 항에 있어서, 상기 가스는 수소를 포함하는 방법.
- 제 1 항에 있어서, 상기 가스는 탄화수소를 포함하는 방법.
- 제 1 항에 있어서, 상기 가스는 공기를 포함하는 방법.
- 제 1 항에 있어서, 상기 가스는 질소, 산소, 아르곤, 이산화탄소, 수소, 헬륨, 증기 및 탄화수소 중에서 어느 두 개 이상의 혼합물을 포함하는 방법.
- 제 1 항에 있어서, 상기 액체 풀은 용융 금속을 포함하는 방법.
- 제 1 항에 있어서, 상기 액체 풀은 수용액을 포함하는 방법.
- 제 1 항에 있어서, 상기 액체 풀 내에 가스 공동을 형성하고, 상기 가스 공동으로부터 액체안으로 기포를 발생시키는 단계를 더 포함하는 방법.
- 제 1 항에 있어서, 상기 액체 풀안으로 유입되는 가스로 이루어진, 상승하는 기포들의 기류를 상기 액체 풀내에 형성시키는 단계를 더 포함하는 방법.
- 제 1 항에 있어서, 상기 가스는 산소를 포함하며, 상기 액체 풀은 용융 금속을 포함하고, 상기 노즐 출구 직경은 1.27 ㎝ 내지 5.1 ㎝의 범위이며, 상기 랜스의 팁으로부터 액체 풀의 표면까지의 가스 흐름의 거리는 20d 내지 100d 범위인 방법.
- 제 1 항에 있어서, 상기 가스는 아르곤을 포함하고, 상기 액체 풀은 용융 금속을 포함하고, 상기 노즐 출구 직경은 1.27 ㎝ 내지 5.1 ㎝의 범위이며, 상기 랜스의 팁으로부터 액체 풀의 표면까지의 가스 흐름의 거리는 20d 내지 100d 범위인 방법.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/819,810 US5814125A (en) | 1997-03-18 | 1997-03-18 | Method for introducing gas into a liquid |
US8/819,810 | 1997-03-18 | ||
US08/819,810 | 1997-03-18 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR19980080282A KR19980080282A (ko) | 1998-11-25 |
KR100368517B1 true KR100368517B1 (ko) | 2003-04-21 |
Family
ID=25229139
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR10-1998-0008701A KR100368517B1 (ko) | 1997-03-18 | 1998-03-16 | 액체풀안으로가스를도입하는방법 |
Country Status (16)
Country | Link |
---|---|
US (1) | US5814125A (ko) |
EP (1) | EP0866138B1 (ko) |
JP (1) | JP3309073B2 (ko) |
KR (1) | KR100368517B1 (ko) |
CN (1) | CN1140761C (ko) |
AR (1) | AR012076A1 (ko) |
AU (1) | AU749671B2 (ko) |
BR (1) | BR9800914A (ko) |
CA (1) | CA2232215C (ko) |
DE (1) | DE69802983T2 (ko) |
ES (1) | ES2143968T3 (ko) |
ID (1) | ID20066A (ko) |
MY (1) | MY119920A (ko) |
PL (1) | PL325310A1 (ko) |
RU (1) | RU2208749C2 (ko) |
TW (1) | TW470776B (ko) |
Families Citing this family (44)
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US6176894B1 (en) | 1998-06-17 | 2001-01-23 | Praxair Technology, Inc. | Supersonic coherent gas jet for providing gas into a liquid |
US6123542A (en) | 1998-11-03 | 2000-09-26 | American Air Liquide | Self-cooled oxygen-fuel burner for use in high-temperature and high-particulate furnaces |
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FR2793263A1 (fr) * | 1999-05-07 | 2000-11-10 | Air Liquide | Four a arc electrique pour la production d'acier et procede de mise en oeuvre de ce four |
DE19935010A1 (de) * | 1999-07-26 | 2001-02-01 | Linde Gas Ag | Verfahren und Vorrichtung zum Imprägnieren von Flüssigkeiten mit Gasen |
US6306890B1 (en) * | 1999-08-30 | 2001-10-23 | Vanderbilt University | Esters derived from indolealkanols and novel amides derived from indolealkylamides that are selective COX-2 inhibitors |
US6142764A (en) * | 1999-09-02 | 2000-11-07 | Praxair Technology, Inc. | Method for changing the length of a coherent jet |
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DE10201108A1 (de) * | 2002-01-15 | 2003-07-24 | Sms Demag Ag | Verfahren zur pyrometallurgischen Behandlung von Metallen, Metallschmelzen und/oder Schlacken sowie eine Injektorvorrichtung |
BE1015533A5 (fr) * | 2002-05-24 | 2005-05-03 | Praxair Technology Inc | Systeme de jets coherents avec enveloppe de flammes annulaire unique. |
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 |
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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. |
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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 |
DE102010064357A1 (de) * | 2010-12-29 | 2012-07-05 | Sms Siemag Ag | Verfahren zur pyrometallurgischen Behandlung von Metallen, Metallschmelzen und/oder Schlacken |
US10168112B2 (en) * | 2012-07-26 | 2019-01-01 | Cool Technology Solutions, Inc. | Heat exchanging apparatus and method for transferring heat |
JP6551375B2 (ja) * | 2016-12-07 | 2019-07-31 | トヨタ自動車株式会社 | 水素ガスバーナ構造およびこれを備えた水素ガスバーナ装置 |
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 |
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-
1997
- 1997-03-18 US US08/819,810 patent/US5814125A/en not_active Expired - Lifetime
-
1998
- 1998-02-27 CN CNB981053785A patent/CN1140761C/zh not_active Expired - Lifetime
- 1998-03-10 ID IDP980354A patent/ID20066A/id unknown
- 1998-03-12 PL PL98325310A patent/PL325310A1/xx unknown
- 1998-03-16 MY MYPI98001139A patent/MY119920A/en unknown
- 1998-03-16 KR KR10-1998-0008701A patent/KR100368517B1/ko not_active IP Right Cessation
- 1998-03-16 BR BR9800914-1A patent/BR9800914A/pt not_active IP Right Cessation
- 1998-03-16 JP JP08242998A patent/JP3309073B2/ja not_active Expired - Lifetime
- 1998-03-16 CA CA002232215A patent/CA2232215C/en not_active Expired - Lifetime
- 1998-03-16 AR ARP980101167A patent/AR012076A1/es active IP Right Grant
- 1998-03-16 AU AU58425/98A patent/AU749671B2/en not_active Ceased
- 1998-03-16 EP EP98104712A patent/EP0866138B1/en not_active Revoked
- 1998-03-16 DE DE69802983T patent/DE69802983T2/de not_active Revoked
- 1998-03-16 ES ES98104712T patent/ES2143968T3/es not_active Expired - Lifetime
- 1998-03-17 RU RU98105422/02A patent/RU2208749C2/ru active
- 1998-03-17 TW TW087103873A patent/TW470776B/zh not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
AU749671B2 (en) | 2002-07-04 |
TW470776B (en) | 2002-01-01 |
JP3309073B2 (ja) | 2002-07-29 |
RU2208749C2 (ru) | 2003-07-20 |
US5814125A (en) | 1998-09-29 |
BR9800914A (pt) | 1999-09-21 |
JPH10263384A (ja) | 1998-10-06 |
CA2232215C (en) | 2003-07-08 |
ES2143968T3 (es) | 2002-08-01 |
EP0866138B1 (en) | 2001-12-19 |
CN1140761C (zh) | 2004-03-03 |
AR012076A1 (es) | 2000-09-27 |
KR19980080282A (ko) | 1998-11-25 |
CA2232215A1 (en) | 1998-09-18 |
MY119920A (en) | 2005-08-30 |
DE69802983T2 (de) | 2002-07-18 |
ID20066A (id) | 1998-09-24 |
ES2143968T1 (es) | 2000-06-01 |
PL325310A1 (en) | 1998-09-28 |
EP0866138A1 (en) | 1998-09-23 |
DE69802983D1 (de) | 2002-01-31 |
CN1196473A (zh) | 1998-10-21 |
AU5842598A (en) | 1998-09-24 |
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