EP2257736A1 - Verfahren und brenneranordnung zum erzeugen von heissgas sowie anwendung des verfahrens - Google Patents
Verfahren und brenneranordnung zum erzeugen von heissgas sowie anwendung des verfahrensInfo
- Publication number
- EP2257736A1 EP2257736A1 EP09716505A EP09716505A EP2257736A1 EP 2257736 A1 EP2257736 A1 EP 2257736A1 EP 09716505 A EP09716505 A EP 09716505A EP 09716505 A EP09716505 A EP 09716505A EP 2257736 A1 EP2257736 A1 EP 2257736A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- fuel
- air
- burner
- rich
- swirl generator
- 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
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/02—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone
-
- 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
- F23D14/62—Mixing devices; Mixing tubes
-
- 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
- F23R3/286—Continuous combustion chambers using liquid or gaseous fuel characterised by the fuel supply having fuel-air premixing devices
-
- 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
- F23C2900/00—Special features of, or arrangements for combustion apparatus using fluid fuels or solid fuels suspended in air; Combustion processes therefor
- F23C2900/07002—Premix burners with air inlet slots obtained between offset curved wall surfaces, e.g. double cone burners
-
- 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
- F23C2900/00—Special features of, or arrangements for combustion apparatus using fluid fuels or solid fuels suspended in air; Combustion processes therefor
- F23C2900/9901—Combustion process using hydrogen, hydrogen peroxide water or brown gas as fuel
-
- 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
- F23R2900/00—Special features of, or arrangements for continuous combustion chambers; Combustion processes therefor
- F23R2900/00014—Reducing thermo-acoustic vibrations by passive means, e.g. by Helmholtz resonators
Definitions
- the present invention relates to the field of combustion technology. It relates to a method for burning H2-rich fuels according to the preamble of claim 1. It also relates to a burner assembly for carrying out the method and its application.
- a premix burner with subsequent mixing section or mixing tube (a so-called AEV burner) has become known, in which in the premix burner designed according to EP-A1 -704,657 a first fuel is injected centrally and between the the shells in the swirl generator (particularly well visible in EP-A1 321 809) formed air inlet slots or channels at least a second fuel in the air flowing there into the interior air can be introduced.
- a further device for injecting a third fuel is provided in the subsequent mixing tube.
- H 2 -rich fuels such as those produced in the form of syngas in coal gasification
- such a premix burner has been tested with natural gas in the lean pre-mixing, in which under high pressure
- H2-rich fuels with H2-to-N2 ratios of 70/30 and 60/40 have been injected axially in the premix burner and in the mixing tube.
- thermoacoustic vibrations pose a danger to any type of combustion application. They lead to
- An embodiment of the method according to the invention is characterized in that first an air / fuel mixture is generated from the air and the natural gas, and then the H2-rich fuel is injected into the air / fuel mixture.
- a burner assembly is used which comprises a premix burner and a mixing tube adjoining it, the air / fuel mixture being produced in the premix burner.
- the H2-rich fuel can be injected into the mixing tube and / or into the swirl generator.
- a swirl generator can be used, as described for example in EP-A1 -321 809.
- Another embodiment of the method according to the invention is characterized in that initially the natural gas and the H2-rich fuel are mixed together, and that the resulting fuel mixture is mixed in the burner assembly with air and burned.
- a burner assembly may be preferably used, which comprises a premix burner and a subsequent mixing tube, wherein In the premix burner from the air and the fuel mixture, the air / fuel mixture is generated.
- FIG. 1 is a greatly simplified schematic representation of a burner assembly of the AEV type, wherein according to an embodiment of the inventive method, the additional natural gas and the H2-rich fuel in the flow direction be injected successively, the H2-rich fuel can optionally be injected into the swirl generator;
- Fig. 2 is a comparable to Fig. 1 representation of a burner assembly of the AEV type, wherein according to another embodiment of the inventive method, the additional natural gas and the H2-rich fuel are first mixed and then the resulting mixture is injected;
- FIG. 3 shows a greatly simplified schematic representation of a burner arrangement provided for sequential combustion with a fuel lance, in which, according to another embodiment of the method according to the invention, the additional natural gas and the H2-rich fuel are first mixed and then the resulting mixture is injected into a hot gas stream ;
- Fig. 4 shows the use of the fuel lance of Fig. 3 in a combustion chamber of a gas turbine with a sequential combustion.
- the burner assembly 10 includes a swirl generator 11, which can sometimes be used as a stand-alone premix burner, which is in a conventional manner conical, as described for example in EP-A1 - 321 809.
- the swirl strength in the swirl generator is chosen on its geometry so that the bursting of the vortex or the vortex is not in the mixing tube, but further downstream of the combustion chamber inlet, wherein the length of the mixing tube 13 is to be dimensioned so that sets a sufficient mixing quality for all used reaching fuels.
- the swirl intensity results from the design of the corresponding cone angle, the air inlet slots, respectively. Channels and their number.
- combustion air flows through the said air inlet slots or ducts, means for injecting a fuel being provided in the region of these air inlet slots or ducts, such that an air / fuel mixture is formed in the interior space formed by the part cone shells 12 forms.
- the air / fuel mixture 12 receives a twist about the axis 15 of the burner assembly 10 and enters downstream in a mixing tube 13, where the complete mixing of air and fuel takes place.
- the mixing tube 13 opens into a combustion chamber 14, in which a flame front forms, with which the air / fuel mixture reaches combustion.
- a preferably annular injection device 16 is provided at the mixing tube 13, through which additionally injected fuel into the mixing tube 13 and can be included in the combustion.
- transitional channels not shown in detail are provided in a transition region between the swirl generator 11 and the mixing tube 13 in this figure, which, respectively, the transfer of the air formed in the swirl generator 11. Take over air / fuel flow in the mixing tube 13.
- the swirl generator can be formed so that it consists of at least two hollow in the flow direction nested to a body complementary subshells, the cross section in the flow direction, in contrast to the above swirl generator 11 is not conical, but cylindrical or quasi-cylindrical, wherein Interior is preferably on the axis of symmetry of the body an inner body vorge- hen, the cross section decreases in the flow direction conical or quasi-cone.
- EP-A1-777 081 become known, whereby also this document forms an integral part of this application.
- a small amount of natural gas F1 is injected into the premix burner 11 in the premixing mode and mixed with air.
- the natural gas F1 is supplied via a first fuel supply 17 and can be adjusted for example by means of a valve 19 to the required mass flow.
- the major part of the output of the burner assembly 10 is, however, denied by an H2-rich fuel F2, which is passed via a second fuel supply 18 to the injection device 16 and injected there into the air / fuel mixture 12 from the upstream swirl generator 11.
- a proportion of this H2-rich fuel 18 ' can be injected into the swirl generator 11, as is apparent from Fig. 1, wherein its proportion is typically up to 30%.
- the pressure loss coefficient Zeta decreases from 2.8 to 1.5, which corresponds to a strong reduction of the pressure loss in the burner.
- Natural gas can also be used in a gas turbine with sequential combustion, in the second or subsequent combustion stage.
- a fuel lance 20 is reproduced, as disclosed in the aforementioned WO-A1 -2007/113074, wherein this pressure step forms an integral part of this application.
- the fuel lance 20 projects into the hot gas stream 26 from a previous combustion stage, which may include, for example, the burner assembly shown in FIG.
- a previous combustion stage which may include, for example, the burner assembly shown in FIG.
- an outer tube 21 and an inner tube 22 are arranged one inside the other.
- the outer tube has injection ports 23.
- air 25 is supplied, while through the inner tube 22, a mixture of the H2-rich fuel F2 and the small proportion of natural gas F1 is introduced.
- the forming air / fuel mixture exits into the hot gas stream 26 and ignites there to form a flame.
- FIG. 4 shows a schematic representation of a low-pressure combustion chamber 27 in a gas turbine operated by sequential combustion.
- a gas turbine is derived, for example, from an article by Joos, F. et al., "Field Experience of the Sequential Combustion System for the ABB GT24 / GT26 Gas Turbine Family", IGTI / ASME 98-GT-220, 1998 Sweden, in which 1 shows the construction of such a gas turbine
- the low pressure combustor is referred to herein as the "SEV combustor.”
- the operation of this low-pressure combustion chamber 27 is designed for auto-ignition, i.
- the hot gas stream 26 flowing into the combustion chamber 27 has a very high operating temperature, such that the combustion of the fuels F1 or F1 + F2 or F2 injected via at least one fuel lance 20 takes place by means of autoignition.
- this type of combustion it is important that the flame front remains locally stable in the downstream combustion chamber 14. In order to achieve this goal, this self-ignition
- Combustion chamber 27 preferably on the inner and outer wall in the circumferential direction arranged, a number of elements 28, so-called vortex generators, provided, which in the axial direction preferably upstream of the fuel lance 20, which basically consists of a vertical outer tube part 21 and a horizontal outer tube part 21 ', are placed.
- the purpose of these elements 28 is to create vortices which induce a backflow zone.
- the design of these vortex generators 28 and the arrangement in the combustion chamber 27 are apparent from DE-44 46 611 A1, wherein this document forms an integral part of this description.
- symbolized fuel jets 29 flow out of one or more injection openings, which are arranged on the circumference of the axial outer tube 21 'of the fuel lance 20 and at a certain injection angle .alpha flowing working gases 26 of the combustion chamber 27 inject.
- this injection angle ⁇ varies between 20 ° and 120 ° relative to the surface of the horizontal outer tube part 21 'of the fuel lance 20, but also injection angles below 20 ° and over 120 ° are possible.
- the injection device 16 which also has one or more injection ports, wherein the direction of the fuel jets 30 can take a wide spectrum, as shown in FIG 4, the injection preferably has one of the angles ⁇ 'between 20 ° and 120 ° with respect to the surface of the inner wall of the combustion chamber 27, whereby injection angles below 20 ° and above 120 ° are also possible.
- the type of operation of this combustion chamber 27 concerning the introduced there fuels and with respect to the injection angle of the fuel jets, respectively.
- the fuel openings 29, 30 depend on factors associated with sequential combustion.
- the introduction of the fuels according to FIG. 4 can also be provided in the above described combustion chambers according to FIGS. 1 and 2 in the same or similar manner.
- An additional introduction of an amount of air is also possible during operation of the combustion chamber 27 of FIG. 4 and also provided if necessary.
- the article according to the invention can be used with particular advantage in a gas turbine with at least one combustion chamber stage, wherein the hot gas produced is expanded in the gas turbine under working performance.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Pre-Mixing And Non-Premixing Gas Burner (AREA)
- Gas Burners (AREA)
- Combustion Of Fluid Fuel (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH3502008 | 2008-03-07 | ||
| PCT/EP2009/051764 WO2009109454A1 (de) | 2008-03-07 | 2009-02-16 | Verfahren und brenneranordnung zum erzeugen von heissgas sowie anwendung des verfahrens |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP2257736A1 true EP2257736A1 (de) | 2010-12-08 |
| EP2257736B1 EP2257736B1 (de) | 2015-11-25 |
Family
ID=39524181
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP09716505.4A Not-in-force EP2257736B1 (de) | 2008-03-07 | 2009-02-16 | Verfahren zum erzeugen von heissgas |
Country Status (3)
| Country | Link |
|---|---|
| US (2) | US8459985B2 (de) |
| EP (1) | EP2257736B1 (de) |
| WO (1) | WO2009109454A1 (de) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101297159B (zh) * | 2005-10-28 | 2011-02-09 | Sefmat公司 | 内点燃式热空气燃烧器/发生器 |
| EP2299178B1 (de) * | 2009-09-17 | 2015-11-04 | Alstom Technology Ltd | Verfahren und Gasturbinenverbrennungssystem zum sicheren Mischen von H2-reichen Brennstoffen mit Luft |
| US8882493B2 (en) * | 2011-03-17 | 2014-11-11 | Nexterra Systems Corp. | Control of syngas temperature using a booster burner |
| CN104204680B (zh) | 2012-03-23 | 2016-01-06 | 阿尔斯通技术有限公司 | 燃烧装置 |
| JP6033887B2 (ja) * | 2012-12-13 | 2016-11-30 | 川崎重工業株式会社 | マルチ燃料対応のガスタービン燃焼器 |
| EP2955445B1 (de) * | 2014-06-12 | 2019-11-27 | Kawasaki Jukogyo Kabushiki Kaisha | Mehrstoffbrennkammer für eine gasturbine |
| EP3029376B1 (de) * | 2014-12-01 | 2018-10-03 | Ansaldo Energia IP UK Limited | Gasturbine mit einem Helmholtz-Resonator |
| US11156164B2 (en) | 2019-05-21 | 2021-10-26 | General Electric Company | System and method for high frequency accoustic dampers with caps |
| US11174792B2 (en) | 2019-05-21 | 2021-11-16 | General Electric Company | System and method for high frequency acoustic dampers with baffles |
| DE102021210662B4 (de) | 2021-09-24 | 2025-07-10 | Benninghoven Zweigniederlassung Der Wirtgen Mineral Technologies Gmbh | Vorrichtung und Verfahren zum Trocknen von Material sowie Asphaltmischanlage mit einer derartigen Vorrichtung |
| EP4202308B1 (de) * | 2021-12-21 | 2024-08-28 | Ansaldo Energia Switzerland AG | Gasturbine für ein kraftwerk mit vormischbrenner versorgt mit üblichen und hochreaktiven brennstoffen sowie verfahren zu deren betrieb |
Family Cites Families (33)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH1838A (fr) * | 1890-02-22 | 1890-10-15 | Louis Bossert | Dispositif pour diminuer la consommation du gaz dans les brûleurs à gaz |
| CH183807A (de) * | 1934-03-08 | 1936-04-30 | Schroeder Erwin | Vorrichtung zum Trocknen und Desinfizieren von Rasierapparaten. |
| US3859786A (en) | 1972-05-25 | 1975-01-14 | Ford Motor Co | Combustor |
| US4292801A (en) | 1979-07-11 | 1981-10-06 | General Electric Company | Dual stage-dual mode low nox combustor |
| CH674561A5 (de) | 1987-12-21 | 1990-06-15 | Bbc Brown Boveri & Cie | |
| CH687269A5 (de) | 1993-04-08 | 1996-10-31 | Abb Management Ag | Gasturbogruppe. |
| DE4316474A1 (de) * | 1993-05-17 | 1994-11-24 | Abb Management Ag | Vormischbrenner zum Betrieb einer Brennkraftmaschine, einer Brennkammer einer Gasturbogruppe oder Feuerungsanlage |
| FR2717250B1 (fr) | 1994-03-10 | 1996-04-12 | Snecma | Système d'injection à prémélange. |
| DE4426351B4 (de) * | 1994-07-25 | 2006-04-06 | Alstom | Brennkammer für eine Gasturbine |
| DE4435266A1 (de) | 1994-10-01 | 1996-04-04 | Abb Management Ag | Brenner |
| DE4446611A1 (de) | 1994-12-24 | 1996-06-27 | Abb Management Ag | Brennkammer |
| DE19523094A1 (de) | 1995-06-26 | 1997-01-02 | Abb Management Ag | Brennkammer |
| DE19545026A1 (de) | 1995-12-02 | 1997-06-05 | Abb Research Ltd | Vormischbrenner |
| US5778676A (en) | 1996-01-02 | 1998-07-14 | General Electric Company | Dual fuel mixer for gas turbine combustor |
| DE19640198A1 (de) | 1996-09-30 | 1998-04-02 | Abb Research Ltd | Vormischbrenner |
| DE19654116A1 (de) | 1996-12-23 | 1998-06-25 | Abb Research Ltd | Brenner zum Betrieb einer Brennkammer mit einem flüssigen und/oder gasförmigen Brennstoff |
| US5987889A (en) | 1997-10-09 | 1999-11-23 | United Technologies Corporation | Fuel injector for producing outer shear layer flame for combustion |
| DE59709446D1 (de) | 1997-10-31 | 2003-04-10 | Alstom Switzerland Ltd | Brenner für den Betrieb eines Wärmeerzeugers |
| EP0918190A1 (de) | 1997-11-21 | 1999-05-26 | Abb Research Ltd. | Brenner für den Betrieb eines Wärmeerzeugers |
| DE19757189B4 (de) | 1997-12-22 | 2008-05-08 | Alstom | Verfahren zum Betrieb eines Brenners eines Wärmeerzeugers |
| EP0994300B1 (de) | 1998-10-14 | 2003-11-26 | ALSTOM (Switzerland) Ltd | Brenner für den Betrieb eines Wärmeerzeugers |
| US20010034001A1 (en) * | 2000-02-24 | 2001-10-25 | Poe Roger L. | Low NOx emissions, low noise burner assembly and method for reducing the NOx content of furnace flue gas |
| AU2002218784A1 (en) * | 2000-07-11 | 2002-01-21 | L'air Liquide, Societe Anonyme A Directoire Et Conseil De Surveillance Pour L'etude Et L'exploitation Des Procedes Georges Claude | Method and apparatus for furnace air supply enrichment |
| DE10064259B4 (de) * | 2000-12-22 | 2012-02-02 | Alstom Technology Ltd. | Brenner mit hoher Flammenstabilität |
| US6874323B2 (en) * | 2003-03-03 | 2005-04-05 | Power System Mfg., Llc | Low emissions hydrogen blended pilot |
| US20040226299A1 (en) * | 2003-05-12 | 2004-11-18 | Drnevich Raymond Francis | Method of reducing NOX emissions of a gas turbine |
| US7162864B1 (en) * | 2003-11-04 | 2007-01-16 | Sandia National Laboratories | Method for control of NOx emission from combustors using fuel dilution |
| JP2008519237A (ja) | 2004-11-03 | 2008-06-05 | アルストム テクノロジー リミテッド | 予混合バーナ |
| EP1817526B1 (de) | 2004-11-30 | 2019-03-20 | Ansaldo Energia Switzerland AG | Verfahren und vorrichtung zur verbrennung von wasserstoff in einem vormischbrenner |
| WO2006069861A1 (de) | 2004-12-23 | 2006-07-06 | Alstom Technology Ltd | Vormischbrenner mit mischstrecke |
| EP2002185B8 (de) | 2006-03-31 | 2016-09-14 | General Electric Technology GmbH | Brennstofflanze für eine gasturbinenanlage sowie ein verfahren zum betrieb einer brennstofflanze |
| FR2903169B1 (fr) | 2006-06-29 | 2011-11-11 | Snecma | Dispositif d'injection d'un melange d'air et de carburant, chambre de combustion et turbomachine munies d'un tel dispositif |
| EP2225488B1 (de) * | 2007-11-27 | 2013-07-17 | Alstom Technology Ltd | Vormischbrenner für eine gasturbine |
-
2009
- 2009-02-16 EP EP09716505.4A patent/EP2257736B1/de not_active Not-in-force
- 2009-02-16 WO PCT/EP2009/051764 patent/WO2009109454A1/de not_active Ceased
-
2010
- 2010-09-07 US US12/876,508 patent/US8459985B2/en not_active Expired - Fee Related
-
2013
- 2013-04-09 US US13/859,002 patent/US20130224672A1/en not_active Abandoned
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2009109454A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2009109454A1 (de) | 2009-09-11 |
| US20130224672A1 (en) | 2013-08-29 |
| EP2257736B1 (de) | 2015-11-25 |
| US20110059408A1 (en) | 2011-03-10 |
| US8459985B2 (en) | 2013-06-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2257736B1 (de) | Verfahren zum erzeugen von heissgas | |
| DE102009003639B4 (de) | Verfahren und Systeme zur Verminderung von Verbrennungsdynamik | |
| EP0687860B1 (de) | Brennkammer mit Selbstzündung | |
| DE19615910B4 (de) | Brenneranordnung | |
| EP0710797B1 (de) | Verfahren und Vorrichtung zum Betrieb eines Vormischbrenners | |
| DE4411622A1 (de) | Vormischbrenner | |
| CH708992A2 (de) | Brennstoffinjektor mit Vormisch-Pilotdüse. | |
| EP2260238B1 (de) | Verfahren zum Betrieb eines Vormischbrenners | |
| EP2225488A1 (de) | Vormischbrenner für eine gasturbine | |
| DE102008037480A1 (de) | Mager vorgemischte Dual-Fuel-Ringrohrbrennkammer mit Radial-Mehrring-Stufendüse | |
| DE19510744A1 (de) | Brennkammer mit Zweistufenverbrennung | |
| DE102009003453A1 (de) | Brennrohr-Vormischer und Verfahren zur Gas/Luft-Gemischbildung in einer Gasturbine | |
| EP1723369A1 (de) | Vormischbrenner sowie verfahren zur verbrennung eines niederkalorischen brenngases | |
| WO2003036167A1 (de) | Brenner für synthesegas | |
| DE4446842A1 (de) | Verfahren und Vorrichtung zum Zuleiten eines gasförmigen Brennstoffs in einen Vormischbrenner | |
| DE102011052159A1 (de) | Kraftstoffdüse und Kraftstoffdüsenanordnung und damit ausgestatte Gasturbine | |
| CH698098B1 (de) | Vormischvorrichtung, Brennkammer und Verfahren zum Betreiben einer Brennkammer. | |
| EP2161502A1 (de) | Vormischbrenner zur Verbrennung eines niederkalorischen sowie hochkalorischen Brennstoffes | |
| EP2601447A2 (de) | Gasturbinenbrennkammer | |
| WO2005121649A2 (de) | Injektor für flüssigbrennstoff sowie gestufter vormischbrenner mit diesem injektor | |
| DE102005038662B4 (de) | Brennkopf und Verfahren zur Verbrennung von Brennstoff | |
| WO2013064293A1 (de) | Gasturbine und verfahren zum injizieren von brennstoff | |
| DE10233161B4 (de) | Brenner und Pilotbrenner | |
| DE112010003677B4 (de) | Verfahren zum verbrennen wasserstoffreicher, gasförmiger brennstoffe in einem brenner sowie brenner zur durchführung des verfahrens | |
| DE19948673A1 (de) | Verfahren zum Erzeugen von heissen Gasen in einer Verbrennungseinrichtung sowie Verbrennungseinrichtung zur Durchführung des Verfahrens |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
| 17P | Request for examination filed |
Effective date: 20100907 |
|
| AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK TR |
|
| AX | Request for extension of the european patent |
Extension state: AL BA RS |
|
| DAX | Request for extension of the european patent (deleted) | ||
| 17Q | First examination report despatched |
Effective date: 20120803 |
|
| REG | Reference to a national code |
Ref country code: DE Ref legal event code: R079 Ref document number: 502009011863 Country of ref document: DE Free format text: PREVIOUS MAIN CLASS: F23C0007000000 Ipc: F23D0014620000 |
|
| RIC1 | Information provided on ipc code assigned before grant |
Ipc: F23C 7/00 20060101ALI20150528BHEP Ipc: F23R 3/28 20060101ALI20150528BHEP Ipc: F23D 14/62 20060101AFI20150528BHEP Ipc: F23D 14/02 20060101ALI20150528BHEP |
|
| GRAP | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOSNIGR1 |
|
| INTG | Intention to grant announced |
Effective date: 20150703 |
|
| GRAS | Grant fee paid |
Free format text: ORIGINAL CODE: EPIDOSNIGR3 |
|
| GRAA | (expected) grant |
Free format text: ORIGINAL CODE: 0009210 |
|
| AK | Designated contracting states |
Kind code of ref document: B1 Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK TR |
|
| REG | Reference to a national code |
Ref country code: GB Ref legal event code: FG4D Free format text: NOT ENGLISH |
|
| REG | Reference to a national code |
Ref country code: CH Ref legal event code: EP |
|
| REG | Reference to a national code |
Ref country code: AT Ref legal event code: REF Ref document number: 762814 Country of ref document: AT Kind code of ref document: T Effective date: 20151215 |
|
| REG | Reference to a national code |
Ref country code: IE Ref legal event code: FG4D Free format text: LANGUAGE OF EP DOCUMENT: GERMAN |
|
| REG | Reference to a national code |
Ref country code: DE Ref legal event code: R096 Ref document number: 502009011863 Country of ref document: DE |
|
| REG | Reference to a national code |
Ref country code: LT Ref legal event code: MG4D |
|
| REG | Reference to a national code |
Ref country code: NL Ref legal event code: MP Effective date: 20160225 |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: NL Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20151125 Ref country code: ES Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20151125 Ref country code: IS Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20160325 Ref country code: LT Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20151125 Ref country code: NO Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20160225 Ref country code: HR Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20151125 |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: PT Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20160325 Ref country code: FI Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20151125 Ref country code: LV Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20151125 Ref country code: PL Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20151125 Ref country code: SE Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20151125 Ref country code: BE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20160229 Ref country code: GR Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20160226 |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: CZ Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20151125 Ref country code: IT Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20151125 |
|
| REG | Reference to a national code |
Ref country code: DE Ref legal event code: R081 Ref document number: 502009011863 Country of ref document: DE Owner name: GENERAL ELECTRIC TECHNOLOGY GMBH, CH Free format text: FORMER OWNER: ALSTOM TECHNOLOGY LTD., BADEN, CH Ref country code: DE Ref legal event code: R081 Ref document number: 502009011863 Country of ref document: DE Owner name: ANSALDO ENERGIA SWITZERLAND AG, CH Free format text: FORMER OWNER: ALSTOM TECHNOLOGY LTD., BADEN, CH |
|
| RAP2 | Party data changed (patent owner data changed or rights of a patent transferred) |
Owner name: GENERAL ELECTRIC TECHNOLOGY GMBH |
|
| REG | Reference to a national code |
Ref country code: DE Ref legal event code: R097 Ref document number: 502009011863 Country of ref document: DE |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: EE Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20151125 Ref country code: DK Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20151125 Ref country code: RO Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20151125 Ref country code: SK Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20151125 |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: LU Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20160216 Ref country code: MC Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20151125 |
|
| PLBE | No opposition filed within time limit |
Free format text: ORIGINAL CODE: 0009261 |
|
| REG | Reference to a national code |
Ref country code: CH Ref legal event code: PL |
|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: CH Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20160229 Ref country code: LI Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20160229 |
|
| 26N | No opposition filed |
Effective date: 20160826 |
|
| REG | Reference to a national code |
Ref country code: FR Ref legal event code: ST Effective date: 20161028 |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: SI Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20151125 |
|
| REG | Reference to a national code |
Ref country code: IE Ref legal event code: MM4A |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: IE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20160216 Ref country code: FR Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20160229 |
|
| REG | Reference to a national code |
Ref country code: AT Ref legal event code: MM01 Ref document number: 762814 Country of ref document: AT Kind code of ref document: T Effective date: 20160216 |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: AT Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20160216 |
|
| REG | Reference to a national code |
Ref country code: GB Ref legal event code: 732E Free format text: REGISTERED BETWEEN 20170727 AND 20170802 |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: MT Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20151125 |
|
| REG | Reference to a national code |
Ref country code: DE Ref legal event code: R081 Ref document number: 502009011863 Country of ref document: DE Owner name: ANSALDO ENERGIA SWITZERLAND AG, CH Free format text: FORMER OWNER: GENERAL ELECTRIC TECHNOLOGY GMBH, BADEN, CH |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: CY Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20151125 Ref country code: HU Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT; INVALID AB INITIO Effective date: 20090216 |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: TR Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20151125 Ref country code: MK Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20151125 |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: BG Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20151125 |
|
| PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: DE Payment date: 20240216 Year of fee payment: 16 Ref country code: GB Payment date: 20240222 Year of fee payment: 16 |
|
| P01 | Opt-out of the competence of the unified patent court (upc) registered |
Effective date: 20240430 |
|
| REG | Reference to a national code |
Ref country code: DE Ref legal event code: R119 Ref document number: 502009011863 Country of ref document: DE |
|
| GBPC | Gb: european patent ceased through non-payment of renewal fee |
Effective date: 20250216 |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: DE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20250902 |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: GB Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20250216 |