EP1714073A1 - Premixing burner comprising a vortex generator defining a tapered vortex space, and sensor monitoring - Google Patents
Premixing burner comprising a vortex generator defining a tapered vortex space, and sensor monitoringInfo
- Publication number
- EP1714073A1 EP1714073A1 EP05716640A EP05716640A EP1714073A1 EP 1714073 A1 EP1714073 A1 EP 1714073A1 EP 05716640 A EP05716640 A EP 05716640A EP 05716640 A EP05716640 A EP 05716640A EP 1714073 A1 EP1714073 A1 EP 1714073A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- channel
- burner
- premix burner
- burner according
- hollow
- 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.)
- Granted
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
- F23C7/00—Combustion apparatus characterised by arrangements for air supply
- F23C7/002—Combustion apparatus characterised by arrangements for air supply the air being submitted to a rotary or spinning motion
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N5/00—Systems for controlling combustion
- F23N5/02—Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium
- F23N5/022—Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium using electronic means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N2241/00—Applications
- F23N2241/20—Gas turbines
Definitions
- Premix burners of the aforementioned type are known from a large number of previously published documents, for example from EP A1 0 210462 and EP B1 0 321 809, to name just a few.
- Premixing burners of this type are based on the general principle of operation, within a swirl generator, which is usually designed as a cone and which provides at least two partial cone shells with corresponding mutual overlap, to produce a swirl flow consisting of a fuel-air mixture, which is formed within a combustion chamber following the premix burner in the direction of flow a premixing flame which is as stable as possible is ignited. 2 B03 / 075-0
- premix burners are preferably used for firing combustion chambers for the operation of a heat engine, especially in gas or steam turbine systems, especially since these premix burners enable the use of different fuels to form a largely homogeneous fuel-air mixture, which is ultimately under formation an aerodynamically stabilized premix flame can be ignited.
- the distance between the receiving unit 7 and the shell end edge 20 is just twice as much 8 B03 / 075-0 large to choose, such as the maximum radial elevation of the mounting unit 7 over the top of the partial cone shell.
- the surface contour of the receiving unit 7 should also be designed to be as aerodynamic as possible.
- the 3a has a hollow channel 8, which essentially provides two channel sections 12 and 12 * of different dimensions, the channel section 12 having a larger cross section preferably being suitable for use with a microphone sensor 13.
- the channel section 12 opens directly into the swirl chamber 1 via a channel section 12 ′ with a smaller diameter, via which pressure fluctuations can be transmitted, for example, as initiated by the formation of thermoacoustic vibrations in the interior of the combustion chamber.
- the receiving unit 7 provides a flushing channel 14, via which cooling air can be fed into the hollow channel 8 in order to avoid overheating of the microphone sensor unit 13. If cooling air is introduced from outside through the flushing channel 14 into the hollow channel 8 in the region of the channel section 12 ′, the cooling air prevents the entry of hot gases into the hollow channel 8 through the channel opening 10 and in this way serves the sensor unit against overheating.
- 3c has a double channel guide 8, 8 ', the hollow channels 8, 8' designed as blind holes running parallel to the burner axis A. Both hollow channels 8, 8 ' also have channel sections 17, 17' running perpendicular to the burner axis, the channel section 17 opening into the swirl chamber 1 and the channel section 17 'opening into the atmosphere surrounding the premix burner. With the aid of the hollow channel formation shown in FIG. 3c, it is possible to carry out a differential pressure measurement.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Gas Burners (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH2112004 | 2004-02-12 | ||
PCT/EP2005/050529 WO2005078341A1 (en) | 2004-02-12 | 2005-02-08 | Premixing burner comprising a vortex generator defining a tapered vortex space, and sensor monitoring |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1714073A1 true EP1714073A1 (en) | 2006-10-25 |
EP1714073B1 EP1714073B1 (en) | 2016-08-31 |
Family
ID=34842439
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP05716640.7A Not-in-force EP1714073B1 (en) | 2004-02-12 | 2005-02-08 | Premixing burner comprising a vortex generator defining a tapered vortex space, and sensor monitoring |
Country Status (5)
Country | Link |
---|---|
US (1) | US7428817B2 (en) |
EP (1) | EP1714073B1 (en) |
CN (1) | CN100590355C (en) |
CA (1) | CA2555153C (en) |
WO (1) | WO2005078341A1 (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20100139286A1 (en) * | 2007-01-02 | 2010-06-10 | Christer Gerward | Burner and fuel supply for a gas turbine |
EP2028421A1 (en) * | 2007-08-21 | 2009-02-25 | Siemens Aktiengesellschaft | Monitoring of a flame existence and a flame temperature |
US8752362B2 (en) * | 2009-01-15 | 2014-06-17 | General Electric Company | Optical flame holding and flashback detection |
US20130040254A1 (en) * | 2011-08-08 | 2013-02-14 | General Electric Company | System and method for monitoring a combustor |
US10691281B2 (en) * | 2013-03-15 | 2020-06-23 | Fisher-Rosemount Systems, Inc. | Method and apparatus for controlling a process plant with location aware mobile control devices |
ITUB20150813A1 (en) * | 2015-05-25 | 2016-11-25 | Nuovo Pignone Srl | GAS TURBINE FUEL NOZZLE WITH INTEGRATED FLAME IONIZATION SENSOR AND GAS TURBINE MOTOR |
US11774093B2 (en) | 2020-04-08 | 2023-10-03 | General Electric Company | Burner cooling structures |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1503042A (en) * | 1974-05-21 | 1978-03-08 | Smiths Industries Ltd | Radiation-detecting devices |
EP0210462B1 (en) | 1985-07-30 | 1989-03-15 | BBC Brown Boveri AG | Dual combustor |
CH674561A5 (en) | 1987-12-21 | 1990-06-15 | Bbc Brown Boveri & Cie | |
DE4304213A1 (en) * | 1993-02-12 | 1994-08-18 | Abb Research Ltd | Burner for operating an internal combustion engine, a combustion chamber of a gas turbine group or a combustion system |
DE4440558A1 (en) * | 1994-11-12 | 1996-05-15 | Abb Research Ltd | Premix burner |
JPH1082526A (en) * | 1996-06-24 | 1998-03-31 | General Electric Co <Ge> | Device to detect occurrence of flashback to premixture combustor system |
DE19628960B4 (en) * | 1996-07-18 | 2005-06-02 | Alstom Technology Ltd | temperature measuring |
DE19654009B4 (en) * | 1996-12-21 | 2006-05-18 | Alstom | Premix burner for operating a combustion chamber with a liquid and / or gaseous fuel |
US6094904A (en) * | 1998-07-16 | 2000-08-01 | United Technologies Corporation | Fuel injector with a replaceable sensor |
DE10050248A1 (en) * | 2000-10-11 | 2002-04-18 | Alstom Switzerland Ltd | Pre-mixing burner comprises swirl burner with inner chamber, with widening passage, injector with adjustable elements. |
-
2005
- 2005-02-08 CA CA2555153A patent/CA2555153C/en not_active Expired - Fee Related
- 2005-02-08 WO PCT/EP2005/050529 patent/WO2005078341A1/en not_active Application Discontinuation
- 2005-02-08 EP EP05716640.7A patent/EP1714073B1/en not_active Not-in-force
- 2005-02-08 CN CN200580004504A patent/CN100590355C/en not_active Expired - Fee Related
-
2006
- 2006-08-11 US US11/502,468 patent/US7428817B2/en not_active Expired - Fee Related
Non-Patent Citations (1)
Title |
---|
See references of WO2005078341A1 * |
Also Published As
Publication number | Publication date |
---|---|
CA2555153A1 (en) | 2005-08-25 |
CN100590355C (en) | 2010-02-17 |
US20070059655A1 (en) | 2007-03-15 |
EP1714073B1 (en) | 2016-08-31 |
CA2555153C (en) | 2012-11-13 |
CN1918430A (en) | 2007-02-21 |
WO2005078341A1 (en) | 2005-08-25 |
US7428817B2 (en) | 2008-09-30 |
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