EP1105678B1 - Verfahren zum betrieb eines hybridbrenners - Google Patents
Verfahren zum betrieb eines hybridbrenners Download PDFInfo
- Publication number
- EP1105678B1 EP1105678B1 EP99952350A EP99952350A EP1105678B1 EP 1105678 B1 EP1105678 B1 EP 1105678B1 EP 99952350 A EP99952350 A EP 99952350A EP 99952350 A EP99952350 A EP 99952350A EP 1105678 B1 EP1105678 B1 EP 1105678B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- premix
- supply duct
- burner
- fuel
- air supply
- 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.)
- Expired - Lifetime
Links
- 238000011017 operating method Methods 0.000 title claims abstract description 6
- 239000000446 fuel Substances 0.000 claims abstract description 62
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 32
- 239000007788 liquid Substances 0.000 claims abstract description 11
- 238000000034 method Methods 0.000 claims description 13
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 claims description 9
- 239000002737 fuel gas Substances 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims 2
- 239000007789 gas Substances 0.000 description 17
- 238000002485 combustion reaction Methods 0.000 description 16
- 238000009792 diffusion process Methods 0.000 description 10
- 239000003034 coal gas Substances 0.000 description 2
- 230000005284 excitation Effects 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
Images
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
- F23L7/002—Supplying water
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D17/00—Burners for combustion conjointly or alternatively of gaseous or liquid or pulverulent fuel
- F23D17/002—Burners for combustion conjointly or alternatively of gaseous or liquid or pulverulent fuel gaseous or liquid fuel
-
- 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
- F23L7/002—Supplying water
- F23L7/005—Evaporated water; Steam
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D2206/00—Burners for specific applications
- F23D2206/10—Turbines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D2900/00—Special features of, or arrangements for burners using fluid fuels or solid fuels suspended in a carrier gas
- F23D2900/00014—Pilot burners specially adapted for ignition of main burners in furnaces or gas turbines
Definitions
- the invention relates to a method for operating a hybrid burner 2. according to the preamble of claim 1 or 2.
- a hybrid burner is also known from EP 0 580 683 B1.
- the Hybrid burner has a pilot burner system that is concentric is surrounded by a premix burner.
- the pilot burner system has a central oil supply with one around it arranged around the inner gas supply channel.
- the gas supply channel is surrounded by a concentrically arranged interior Air supply duct.
- the pilot burner system is in turn surrounded from a supply channel system for various fuels, where this supply channel system a first gas supply channel and has a second gas supply channel and an oil supply channel.
- An outer air supply duct surrounds the supply duct system of the fuels, the channels of this supply channel system each open into the outer air supply duct.
- the outer Air supply duct and the fuel supply duct system form the premix burner of the hybrid burner.
- the hybrid burner can be operated in different operating modes, being through the outer and inner air supply ducts Air and through one or more of the fuel supply serving channels fuel are supplied to a combustion.
- a first diffusion mode is known, wherein combustion via the pilot burner's first gas supply channel Coal gas, via the second gas supply duct of the premix burner also coal gas and via the two air supply ducts Air is supplied.
- fuel and air become like the first Diffusion mode and also water vapor over the first gas supply channel supplied.
- a third diffusion mode fuel and air become like the first Diffusion mode and water through the oil supply channel fed.
- the object of the invention is to provide a method for operating a hybrid burner with a NO x reduction.
- the object is achieved by a method according to the preamble of claim 1, in which oil via the fuel supply channel and water in a liquid state via the premixed fuel supply channel designed for supplying oil be incinerated.
- the invention is based on the knowledge that during operation of the hybrid burner in the second or third diffusion mode according to EP 0 580 683 B1, the fanning of so-called Combustion chamber vibrations can be favored if the amount of water vapor supplied per unit of time Water vapor limit, or the supplied per unit of time Amount of water exceeds a water limit.
- Combustion chamber vibrations occur when operating the hybrid burner standing pressure vibrations forming in the combustion chamber to understand.
- the combustion chamber vibrations can to a high mechanical load on the combustion chamber lead forming parts of the gas turbine.
- the invention starts from the further realization that the water limit and the Water vapor limit depend on which channel of the Hybrid burner the water is supplied.
- the water is supplied via the premix fuel channel.
- the water limit value or the water vapor limit value can be much higher than in the case of a hybrid burner which is operated after the first or second diffusion operation according to EP 0 580 683 B1.
- the water supplied is used to reduce NO x during combustion of the fuel and air supplied.
- the higher the amount of water supplied per unit of time the higher the NO x reduction rate.
- the amount of water that can be supplied per unit of time is very much higher than in a method according to the prior art, and consequently the NO x emission is also reduced.
- the output of the hybrid burner can be higher with the same NO x emission, because because a larger amount of water can be supplied, the amount of fuel and air combustible per unit of time can be correspondingly larger.
- the task directed to the method is alternatively solved, by a method according to the preamble of the claim 2, where Fuel gas only through the Fuel feed channel and water via the premix fuel feed channel is fed.
- Water is preferably in the liquid state via the premix fuel feed channel fed to the feed of Oil is designed. Water vapor is more preferred Premixed fuel feed channel fed to the feed is designed by fuel gas.
- the figure shows a schematically and not to scale Hybrid burner.
- a hybrid burner 20 is not closer to one Shown combustion chamber of a gas turbine.
- the Hybrid burner has a pilot burner 21 and a premix burner 22 on.
- the pilot burner 21 includes a fuel supply channel 1 for liquid or gaseous fuel, one Gas fuel supply channel 2 for gaseous fuel and an air supply duct 3.
- the premix burner 22 includes one first premix fuel supply channel 8 and a second premix fuel supply channel 16, each for feeding Fuel gas are executed, a premix air supply duct 4 and a third premix fuel supply channel 12 for supply running on liquid fuel.
- the gas fuel supply channel 2, the air supply duct 3, the first Premix fuel feed channel 8, the second premix fuel feed channel 16, the premix air supply duct 4 and the third premix fuel supply channel 12 are each as Ring channel formed.
- the fuel supply channel 1 is along a main axis 30 centrally located. This is surrounded by the gas fuel supply channel 2, which in turn is surrounded by the air supply duct 3 is.
- the air supply duct 3 has a mouth 31 which the Forms the mouth of the pilot burner.
- the air supply duct 3 is surrounded by in front of its mouth 31 the third premix fuel supply channel 12.
- the air supply channel 3 is still surrounded by the first premix fuel feed channel 8, which in turn is surrounded by the second Premix fuel feed channel 16.
- the pilot burner 21 and the Premixed fuel supply channels 8, 12 and 16 are surrounded by the outer air supply duct 4.
- the third premix fuel supply duct 12 opens into the outer air supply duct 4.
- the first premix fuel supply channel 8 and the second premix fuel supply channel 16 open towards the mouth 31 viewed in front of the third premix fuel feed channel 12 into the premix air supply duct 4.
- the hybrid burner 20 has an orifice 23 with which it flows in a combustion chamber 24, not shown, of a gas turbine empties.
- the hybrid burner 20 is also in a so-called gas diffusion mode operable, being gaseous fuel exclusively via the fuel supply channel 1 or the gas fuel supply channel 2, air through the air supply duct 3 or the premix air supply duct 4 and water via the premix air supply duct 8, 12 and / or 16 takes place.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
Abstract
Description
Claims (4)
- Verfahren zum Betrieb eines Hybridbrenners (20), der einen Vormischbrenner (22) und einen Pilotbrenner (21) aufweist,
wobei der Vormischbrenner (22) einen Vormischluftzufuhrkanal (4) und zumindest einen Vormischbrennstoffzufuhrkanal (8,16,12) aufweist, welcher in den Vormischluftzufuhrkanal (4) mündet, und wobei der Pilotbrenner (21) einen Luftzufuhrkanal (3) und einen Brennstoffzufuhrkanal (1,2) für flüssigen und/oder gasförmigen Brennstoff aufweist, wobei Luft über den Luftzufuhrkanal (3) und über den Vormischluftzufuhrkanal (4) zugeführt wird, dadurch gekennzeichnet, daß Öl über den Brennstoffzufuhrkanal (1) und Wasser in flüssigem Zustand über den zur Zufuhrung von Öl ausgelegten Vormischbrennstoffzufuhrkanal (12) zugeführt werden, wodurch die Bildung von Stickoxiden reduziert wird. - Verfahren zum Betrieb eines Hybridbrenners (20), der einen Vormischbrenner (22) und einen Pilotbrenner (21) aufweist,
wobei der Vormischbrenner (22) einen Vormischluftzufuhrkanal (4) und zumindest einen Vormischbrennstoffzufuhrkanal (8,16, 12) aufweist, der in den Vormischluftkanal (4) mündet und wobei der Pilotbrenner (21) einen Luftzufuhrkanal (3) und einen Brennstoffzufuhrkanal (1,2) für flüssigen und/oder gasförmigen Brennstoff aufweist, wobei Luft über den Luftzufuhrkanal (3) und über den Vormischluftzufuhrkanal (4) zugeführt wird, dadurch gekennzeichnet, daß Brenngas ausschließlich über den Brennstoffzufuhrkanal (1,2) und Wasser über den Vormischbrennstoffzufuhrkanal (8,12,16) zugeführt werden, wodurch die Bildung von Stickoxiden reduziert wird. - Verfahren nach Anspruch 2,
dadurch gekennzeichnet, daß ein Vormischbrennstoffzufuhrkanal (12) zur Zuführung von Öl ausgelegt ist und über diesen das Wasser in flüssigem Zustand zugeführt wird. - Verfahren nach Anspruch 1, 2 oder 3,
dadurch gekennzeichnet, daß ein Vormischbrennstoffzufuhrkanal (8,16) zur Zuführung von Brenngas ausgelegt ist und über diesen Wasserdampf zugeführt wird.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19837865 | 1998-08-20 | ||
DE19837865 | 1998-08-20 | ||
PCT/DE1999/002495 WO2000011404A1 (de) | 1998-08-20 | 1999-08-10 | Verfahren zum betrieb eines hybridbrenners |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1105678A1 EP1105678A1 (de) | 2001-06-13 |
EP1105678B1 true EP1105678B1 (de) | 2004-10-20 |
Family
ID=7878192
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99952350A Expired - Lifetime EP1105678B1 (de) | 1998-08-20 | 1999-08-10 | Verfahren zum betrieb eines hybridbrenners |
Country Status (5)
Country | Link |
---|---|
US (1) | US20010018173A1 (de) |
EP (1) | EP1105678B1 (de) |
JP (1) | JP2002523717A (de) |
DE (1) | DE59910909D1 (de) |
WO (1) | WO2000011404A1 (de) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ITMI20012780A1 (it) * | 2001-12-21 | 2003-06-21 | Nuovo Pignone Spa | Dispositivo di iniezione principale di combustibile liquido per camera di combustione singola dotata di camera di pre-miscelamento di una tu |
EP1645805A1 (de) * | 2004-10-11 | 2006-04-12 | Siemens Aktiengesellschaft | Brenner für fluidische Brennstoffe und Verfahren zum Betreiben eines derartigen Brenners |
US7546735B2 (en) * | 2004-10-14 | 2009-06-16 | General Electric Company | Low-cost dual-fuel combustor and related method |
EP1659339A1 (de) * | 2004-11-18 | 2006-05-24 | Siemens Aktiengesellschaft | Verfahren zum Anfahren eines Brenners |
EP2312215A1 (de) * | 2008-10-01 | 2011-04-20 | Siemens Aktiengesellschaft | Brenner und Verfahren zum Betrieb eines Brenners |
US20110314831A1 (en) * | 2010-06-23 | 2011-12-29 | Abou-Jaoude Khalil F | Secondary water injection for diffusion combustion systems |
US9200808B2 (en) * | 2012-04-27 | 2015-12-01 | General Electric Company | System for supplying fuel to a late-lean fuel injector of a combustor |
US10443855B2 (en) * | 2014-10-23 | 2019-10-15 | Siemens Aktiengesellschaft | Flexible fuel combustion system for turbine engines |
DE102017116529B4 (de) * | 2017-07-21 | 2022-05-05 | Kueppers Solutions Gmbh | Brenner |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4109304A1 (de) * | 1991-03-21 | 1992-09-24 | Siemens Ag | Verfahren zur verringerung der stickoxid-emission eines brenners bei heizoelbetrieb und gasbetrieb |
EP0580683B1 (de) | 1991-04-25 | 1995-11-08 | Siemens Aktiengesellschaft | Brenneranordnung, insbesondere für gasturbinen, zur schadstoffarmen verbrennung von kohlegas und anderen brennstoffen |
DE19520292A1 (de) * | 1995-06-02 | 1996-12-05 | Abb Management Ag | Verfahren zum Betreiben einer Brennkammer einer Gasturbogruppe |
-
1999
- 1999-08-10 EP EP99952350A patent/EP1105678B1/de not_active Expired - Lifetime
- 1999-08-10 DE DE59910909T patent/DE59910909D1/de not_active Expired - Lifetime
- 1999-08-10 JP JP2000566618A patent/JP2002523717A/ja active Pending
- 1999-08-10 WO PCT/DE1999/002495 patent/WO2000011404A1/de active IP Right Grant
-
2001
- 2001-02-20 US US09/789,343 patent/US20010018173A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
US20010018173A1 (en) | 2001-08-30 |
EP1105678A1 (de) | 2001-06-13 |
WO2000011404A1 (de) | 2000-03-02 |
JP2002523717A (ja) | 2002-07-30 |
DE59910909D1 (de) | 2004-11-25 |
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