ATE503152T1 - IMPROVED STAGED FUEL SUPPLY FOR LOW NOX OPERATION - Google Patents
IMPROVED STAGED FUEL SUPPLY FOR LOW NOX OPERATIONInfo
- Publication number
- ATE503152T1 ATE503152T1 AT04026942T AT04026942T ATE503152T1 AT E503152 T1 ATE503152 T1 AT E503152T1 AT 04026942 T AT04026942 T AT 04026942T AT 04026942 T AT04026942 T AT 04026942T AT E503152 T1 ATE503152 T1 AT E503152T1
- Authority
- AT
- Austria
- Prior art keywords
- fuel
- outtake
- outlet
- fuel supply
- conduit
- Prior art date
Links
Classifications
-
- 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
- F23C6/00—Combustion apparatus characterised by the combination of two or more combustion chambers or combustion zones, e.g. for staged combustion
- F23C6/04—Combustion apparatus characterised by the combination of two or more combustion chambers or combustion zones, e.g. for staged combustion in series connection
-
- 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
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23K—FEEDING FUEL TO COMBUSTION APPARATUS
- F23K5/00—Feeding or distributing other fuel to combustion apparatus
- F23K5/002—Gaseous fuel
- F23K5/007—Details
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23R—GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGH VELOCITY, e.g. GAS-TURBINE COMBUSTION CHAMBERS
- F23R3/00—Continuous combustion chambers using liquid or gaseous fuel
- F23R3/28—Continuous combustion chambers using liquid or gaseous fuel characterised by the fuel supply
-
- 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
- F23C2202/00—Fluegas recirculation
- F23C2202/20—Premixing fluegas with fuel
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23K—FEEDING FUEL TO COMBUSTION APPARATUS
- F23K2900/00—Special features of, or arrangements for fuel supplies
- F23K2900/05004—Mixing two or more fluid fuels
-
- 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
- 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
- F23L2900/07009—Injection of steam into the combustion chamber
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Feeding And Controlling Fuel (AREA)
- Air Supply (AREA)
- Superstructure Of Vehicle (AREA)
- Insulating Of Coils (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Abstract
A method for diluting a fuel to reduce NOx uses a fuel dilution device, which includes: a first conduit having an inlet and an outlet, the first conduit adapted to transmit a stream of a fuel entering the inlet and exiting the outlet at a first thermodynamic state and a first fuel index; and a second conduit having an intake and an outtake, the second conduit adapted to transmit a stream of a fluid entering the intake and exiting the outtake at a second/different thermodynamic state and a second fuel index different from the first fuel index by at least about 0.1, whereby a potential for mixing exists between the two streams exiting the outlet and the outtake, and at least some of the fuel mixes with at least some of the fluid near the outlet and the outtake, thereby generating a diluted fuel stream having an intermediate fuel index. <IMAGE>
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US71323203A | 2003-11-14 | 2003-11-14 |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE503152T1 true ATE503152T1 (en) | 2011-04-15 |
Family
ID=34435678
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT04026942T ATE503152T1 (en) | 2003-11-14 | 2004-11-12 | IMPROVED STAGED FUEL SUPPLY FOR LOW NOX OPERATION |
Country Status (9)
Country | Link |
---|---|
EP (1) | EP1531303B1 (en) |
JP (1) | JP4299225B2 (en) |
KR (1) | KR100738863B1 (en) |
CN (1) | CN100356104C (en) |
AT (1) | ATE503152T1 (en) |
CA (1) | CA2487146C (en) |
DE (1) | DE602004031916D1 (en) |
ES (1) | ES2360589T3 (en) |
SG (1) | SG112091A1 (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102004037620C5 (en) * | 2004-08-02 | 2015-09-17 | Air Liquide Deutschland Gmbh | Fuel-oxygen burner with variable flame length |
WO2007048429A1 (en) * | 2005-10-28 | 2007-05-03 | L'Air Liquide Société Anonyme pour l'Etude et l'Exploitation des Procédés Georges Claude | Oxygen/fuel burner with variable flame length |
US20100089020A1 (en) * | 2008-10-14 | 2010-04-15 | General Electric Company | Metering of diluent flow in combustor |
CN104081125B (en) | 2011-12-01 | 2016-06-15 | 气体产品与化学公司 | Fast energy release burner and using method thereof |
JP2016003847A (en) * | 2014-06-19 | 2016-01-12 | Jfeケミカル株式会社 | Two-stage combustion method |
CN105699413B (en) * | 2016-02-25 | 2018-06-29 | 上海交通大学 | Work in the simulation system for thermodynamics exhaust system research of room temperature warm area |
CN113280354B (en) * | 2021-05-19 | 2023-07-04 | 光大环境科技(中国)有限公司 | Process method for coupling high-temperature tail gas and gas into furnace in active carbon preparation process |
Family Cites Families (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4995807A (en) * | 1989-03-20 | 1991-02-26 | Bryan Steam Corporation | Flue gas recirculation system |
US4946382A (en) * | 1989-05-23 | 1990-08-07 | Union Carbide Corporation | Method for combusting fuel containing bound nitrogen |
US4988285A (en) * | 1989-08-15 | 1991-01-29 | Union Carbide Corporation | Reduced Nox combustion method |
JP2638394B2 (en) * | 1992-06-05 | 1997-08-06 | 日本ファーネス工業株式会社 | Low NOx combustion method |
JPH07180816A (en) * | 1993-12-22 | 1995-07-18 | Osaka Gas Co Ltd | Premixing burner |
US5601425A (en) * | 1994-06-13 | 1997-02-11 | Praxair Technology, Inc. | Staged combustion for reducing nitrogen oxides |
US5516279A (en) * | 1994-07-06 | 1996-05-14 | The Boc Group, Inc. | Oxy-fuel burner system designed for alternate fuel usage |
US5611682A (en) * | 1995-09-05 | 1997-03-18 | Air Products And Chemicals, Inc. | Low-NOx staged combustion device for controlled radiative heating in high temperature furnaces |
US5743723A (en) * | 1995-09-15 | 1998-04-28 | American Air Liquide, Inc. | Oxy-fuel burner having coaxial fuel and oxidant outlets |
US5762486A (en) * | 1996-02-21 | 1998-06-09 | Praxair Technology, Inc. | Toroidal vortex combustion for low heating value liquid |
US6238206B1 (en) * | 1997-05-13 | 2001-05-29 | Maxon Corporation | Low-emissions industrial burner |
FR2788110B1 (en) * | 1998-12-30 | 2001-02-16 | Air Liquide | COMBUSTION PROCESS AND ITS USES FOR THE PREPARATION OF GLASS AND METAL |
US6085674A (en) * | 1999-02-03 | 2000-07-11 | Clearstack Combustion Corp. | Low nitrogen oxides emissions from carbonaceous fuel combustion using three stages of oxidation |
US6126438A (en) * | 1999-06-23 | 2000-10-03 | American Air Liquide | Preheated fuel and oxidant combustion burner |
US6383462B1 (en) * | 1999-10-26 | 2002-05-07 | John Zink Company, Llc | Fuel dilution methods and apparatus for NOx reduction |
JP2002228122A (en) | 2001-02-05 | 2002-08-14 | Matsushita Electric Ind Co Ltd | Combustion device |
WO2002065268A1 (en) * | 2001-02-09 | 2002-08-22 | Sony Corporation | Input device |
JP2003074804A (en) | 2001-09-05 | 2003-03-12 | Mitsubishi Electric Corp | Combustion device |
US6752620B2 (en) * | 2002-01-31 | 2004-06-22 | Air Products And Chemicals, Inc. | Large scale vortex devices for improved burner operation |
US6773256B2 (en) * | 2002-02-05 | 2004-08-10 | Air Products And Chemicals, Inc. | Ultra low NOx burner for process heating |
CN2550652Y (en) * | 2002-04-30 | 2003-05-14 | 刘超杰 | High efficiency environment protection burner |
US6866503B2 (en) * | 2003-01-29 | 2005-03-15 | Air Products And Chemicals, Inc. | Slotted injection nozzle and low NOx burner assembly |
-
2004
- 2004-11-08 CA CA002487146A patent/CA2487146C/en active Active
- 2004-11-09 SG SG200407155A patent/SG112091A1/en unknown
- 2004-11-12 DE DE602004031916T patent/DE602004031916D1/en active Active
- 2004-11-12 ES ES04026942T patent/ES2360589T3/en active Active
- 2004-11-12 EP EP04026942A patent/EP1531303B1/en active Active
- 2004-11-12 AT AT04026942T patent/ATE503152T1/en not_active IP Right Cessation
- 2004-11-12 KR KR1020040092341A patent/KR100738863B1/en active IP Right Grant
- 2004-11-12 CN CNB2004101005634A patent/CN100356104C/en active Active
- 2004-11-15 JP JP2004330802A patent/JP4299225B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
DE602004031916D1 (en) | 2011-05-05 |
CA2487146C (en) | 2009-01-20 |
ES2360589T3 (en) | 2011-06-07 |
JP2005147656A (en) | 2005-06-09 |
KR100738863B1 (en) | 2007-07-16 |
CN100356104C (en) | 2007-12-19 |
EP1531303A1 (en) | 2005-05-18 |
JP4299225B2 (en) | 2009-07-22 |
KR20050046606A (en) | 2005-05-18 |
CN1616884A (en) | 2005-05-18 |
SG112091A1 (en) | 2005-06-29 |
CA2487146A1 (en) | 2005-05-14 |
EP1531303B1 (en) | 2011-03-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |