EP1892471A1 - Device for cleaning burners - Google Patents

Device for cleaning burners Download PDF

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Publication number
EP1892471A1
EP1892471A1 EP06017057A EP06017057A EP1892471A1 EP 1892471 A1 EP1892471 A1 EP 1892471A1 EP 06017057 A EP06017057 A EP 06017057A EP 06017057 A EP06017057 A EP 06017057A EP 1892471 A1 EP1892471 A1 EP 1892471A1
Authority
EP
European Patent Office
Prior art keywords
burner
flushing
fluid
cleaning device
head
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
Application number
EP06017057A
Other languages
German (de)
French (fr)
Other versions
EP1892471B1 (en
Inventor
Ralf Liedtke
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens AG
Original Assignee
Siemens AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority to DE502006005350T priority Critical patent/DE502006005350D1/en
Application filed by Siemens AG filed Critical Siemens AG
Priority to AT06017057T priority patent/ATE448446T1/en
Priority to EP06017057A priority patent/EP1892471B1/en
Priority to RU2009109250/06A priority patent/RU2429412C2/en
Priority to US12/310,144 priority patent/US8920579B2/en
Priority to PCT/EP2007/058299 priority patent/WO2008019995A2/en
Priority to CN200780030368.0A priority patent/CN101506578B/en
Publication of EP1892471A1 publication Critical patent/EP1892471A1/en
Application granted granted Critical
Publication of EP1892471B1 publication Critical patent/EP1892471B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D11/00—Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space
    • F23D11/36—Details, e.g. burner cooling means, noise reduction means
    • F23D11/38—Nozzles; Cleaning devices therefor
    • F23D11/386—Nozzle cleaning

Definitions

  • the present invention relates to a burner cleaning device for cleaning burners, in particular for cleaning gas turbine burners with at least one fuel nozzle and at least one fuel supply line.
  • gas turbine burners are also provided with annular spaces which direct the fuel oil from a central fuel oil supply line to ring around a central burner part arranged around fuel nozzles.
  • a cleaning of the inside arranged in the burner annulus is not possible with the mentioned means. If it is not possible to eliminate the operating limitations of the burner by piercing the nozzles, the nozzles must be removed. Only then can the annulus - and only partially - be cleaned. Further cleaning requires the complete disassembly of the burner.
  • a burner cleaning device for cleaning burners with at least one fuel nozzle and at least one fuel feed line, in particular for cleaning gas turbine burners, comprises at least one flushing head with at least one flushing head opening and / or at least one fluid line and at least one pump.
  • the flushing head is configured in such a way that it can be placed on a fuel nozzle of the burner with the flushing head opening and allows the supply or removal of a flushing fluid to or from the nozzle.
  • the fluid line is designed such that it can be connected to the fuel supply line of the burner and allows the supply or removal of a flushing fluid to or from the fuel supply line.
  • the pump, the flushing head and / or the fluid line are in fluid communication with one another in such a way that they form a flow path to be flowed through sequentially by the flushing fluid.
  • flushing fluid By means of the pump flushing fluid can be introduced via the flushing head under pressure through the fuel nozzle in the fuel system, which causes flushing of the fuel system.
  • the purge fluid may then exit the fuel supply system via the fuel supply line.
  • the burner cleaning device enables the cleaning of the entire fuel supply system by pressure flushing by means of the rinsing liquid. Cleaning by hand is no longer necessary.
  • internal portions of the fuel supply system such as annuli, mitge selfish. A disassembly of the burner for complete cleaning is therefore no longer mandatory. Since rinsing residues are entrained by the rinsing liquid during rinsing and therefore do not remain in the fuel supply system, blow-out after cleaning can be largely eliminated.
  • the device according to the invention is particularly suitable for cleaning fuel oil supply systems of gas turbine burners.
  • the flushing head is equipped with at least one seal surrounding the flushing head opening.
  • the seal is configured and arranged on the flushing head so that it surrounds the nozzle opening when mounted on the fuel nozzle flushing head. The sealing effect can be further increased if the flushing head has a clamping device, with which it can be braced against the nozzle opening.
  • a filter is connected in the flow path formed by the pump, the flushing head and the fluid line.
  • the filter allows filtering out of non-dissolvable debris entrained by the flushing fluid.
  • the filtered flushing fluid can then be used again for another rinse, which allows in particular in a closed rinse cycle.
  • the burner cleaning device may further comprise a connected in the flow path tank, the serves as a buffer for flushing fluid.
  • the tank can serve as flushing fluid reservoir.
  • the burner cleaning device further comprises a valve connected in the flow path.
  • This valve allows shut off of the flow path if required. If it has at least two valve positions releasing the flow path, wherein in one releasing valve position the flow direction of the flushing fluid is reversed by the flushing head and / or by the fluid line with respect to the flow direction in the other releasing valve position, by reversing the valve, a reversal of the flow direction of the Flushing fluids are caused by the fuel supply system of the burner. This makes it possible, for example, to remove dirt residues that are too large for the passage through the nozzle opening, through the fuel supply line.
  • this also advantageously has a section which is always flowed through in the same direction.
  • the filter is then arranged so that contamination residues do not re-enter the fuel supply system when the flow direction is reversed.
  • Fig. 1 shows a schematic sectional view of a gas turbine burner with attached elements of a burner cleaning device.
  • Fig. 2 shows a hydraulic plan for the burner cleaning device with a valve in a first valve position.
  • Fig. 3 shows the hydraulic circuit of Fig. 2 in a second valve position.
  • Fig. 4 shows the hydraulic circuit of Fig. 2 in a third valve position.
  • FIG. 1 shows a gas turbine burner 1, on which a flushing head 3 and a fluid line 5 of a burner cleaning device according to the invention are arranged.
  • the burner 1, the flushing head 3 and the fluid line 5 are shown schematically in the figure in a section along the burner longitudinal axis A.
  • the burner 1 comprises a main burner system with an annular air supply channel 9 and a fuel supply system 11 with fuel nozzles 13, which open into the air supply channel 9.
  • the fuel is introduced via a fuel supply line 15 of the fuel supply system 11 into an annular space 17, which annularly surrounds the burner longitudinal axis A, from where it is finally distributed to the fuel nozzles 13.
  • fuels are basically all combustible gases or liquids in question, but especially fuel oil.
  • the burner is designed as a so-called premix burner, in which the fuel is injected prior to combustion in an air stream flowing in through the air supply channel 9.
  • premix burner in which the fuel is injected prior to combustion in an air stream flowing in through the air supply channel 9.
  • contaminations and coking occur in the entire fuel supply system 11, which in particular can lead to clogging of the nozzle openings.
  • the burner comprises, in addition to the main burner system 7, a further burner system which is arranged in the interior 19 of the main burner system 7.
  • the further burner system is not shown in the figure. It may, for example, comprise a pilot burner system.
  • Fig. 1 the flushing head 3 and the fluid line 5 of a burner cleaning system are shown next to the burner 1.
  • the flushing head 3 is rotationally symmetrical in the present exemplary embodiment and comprises a cylinder jacket-shaped or truncated cone-shaped wall 21, through the interior of which flushing fluid channels 23 are led to an end face 25 of the wall 21.
  • the end face 25 defines an opening in the end face of the hollow cylinder or truncated cone formed by the wall 21.
  • an end wall 26 connects, through which the channels 23 are continued to a central region 27 of the end wall 26.
  • a flushing fluid line 29 opens into the central region 27. Via the flushing fluid line 29, flushing fluid 3 can be supplied to the flushing head or flushing fluid can be discharged from the flushing head 3.
  • the flushing head 3 is designed such that it can be inserted through the outlet opening 31 of the burner 1 as far as the fuel nozzles 13 into the air supply channel 9.
  • the geometry of the wall 21 is selected so that the end face 25 can be placed on the annular inner of the air supply channel 9 around the burner longitudinal axis A arranged around fuel nozzles 13.
  • Spülfluidaustrittsö Anlagenen 33 are provided which are arranged in the end face 25 that they are aligned with introduced into the burner 1 rinsing head 3 with the fuel nozzles 13.
  • seals 35 are arranged which seal the air supply channel 9 against flushing fluid flowing through the openings 33 and the nozzles 13.
  • compression springs 36 act as clamping elements between the flushing head 3 and the wall of the air supply channel 9.
  • Alternative embodiments of the clamping elements eg. As a throw to the burner 1, as a clamping lever, etc. are also possible.
  • Flushing fluid can then be flushed into the fuel system 11 via the flushing head 3 and the fluid line 29. Through the annular space 17 and the fuel supply line 15, the flushing fluid can then emerge again from the fuel supply system 11. In this way, by means of the flushing head 3 rinsing the entire fuel supply system possible.
  • the purge fluid flowing through the fuel supply system 11 flushes contaminants or coking in the fuel supply system 11, which occur in particular in the region of the fuel nozzles 13 and are disturbing, out of the fuel supply system.
  • the flushing fluid emerging from the fuel supply system 11 via the fuel supply line 15 can be collected. In particular, demineralized water or a solvent can be used as flushing fluid.
  • the burner cleaning device also comprises a pump 37, not shown in Fig. 1 (see Figures 2-4), with the aid of which the flushing fluid is pumped through the fuel supply system 11.
  • a closed flushing circuit is used to the fuel supply line 15, a fluid line 5 is connected, which directs the flushing fluid leaving the fuel supply system 11 to a filter 39, where the contaminants entrained by the flushing fluid are filtered out. After flowing through the filter, the flushing fluid is collected in a tank, from where it is returned to the flushing head 3 by means of the pump.
  • the rinse cycle is shown in the form of a hydraulic plan in FIGS. 2-4.
  • the pump 37, the filter 39, the tank 41 and a valve 43 are shown.
  • the valve 43 is formed in the present embodiment as a hand-operated 4/3 way valve with locking center position. However, it can also be designed as an electrically operated valve, for example as a solenoid valve.
  • the fluid circuit has a first section 45 which comprises the flushing head 3, the flushing fluid line 29 leading to the flushing head 3, the fluid line 5 and the fuel supply system 11 of the burner 1.
  • it has a second section 47, which comprises the pump 37, the filter 39, the tank 41 and these elements interconnecting fluid lines 49. Between the first portion 45 and the second portion 47, the 4/3 way valve with locking center position 43 is arranged.
  • the flushing fluid flows from the pump 37, starting in the flushing head 3, through the fuel supply system 11, the fluid line 5 and the filter 39 into the tank 41, from where it returns the pump 37 into the flushing head. 3 inflated.
  • the filter 39 while resulting from the cleaning of the fuel supply system 11 suspended particles are filtered out of the flushing fluid.
  • valve 43 is transferred via a valve position in which the fluid circuit is interrupted (see FIG. 3) into a valve position in which the flow conditions in the first section 45 are reversed relative to the valve position shown in FIG.
  • the flow conditions in the second section 47 remain unchanged.
  • the second section 47 of the flushing circuit is always flowed through in the same direction, can be prevented that contaminants that were filtered out from the filter when flowing in one direction, when flowing in the other direction back into the fuel supply system be registered.
  • the pump 37 which may be designed as a pressure or suction pump, only needs to be able to pump in one direction.
  • the burner cleaning device can be operated with an open rinse path instead of a closed rinse cycle.
  • either flushing fluid can be supplied via the flushing head 3 to the fuel supply system 11, which then exits through the fuel supply line 15 from the fuel supply system 11 and is disposed of.
  • the flushing fluid then exits after passing through the fuel supply system 11 from the fuel nozzles 13 and can be collected after discharge and disposed of.
  • a closed rinse cycle is advantageous in terms of purge fluid consumption and environmental.
  • all Spülfluidkanäle 23 were arranged in a common wall 21, which is adapted to the burner 1 to be cleaned.
  • the flushing head it is also possible to equip the flushing head with a number of supply lines, for example. In the form of hoses or pipes, which are individually placed on the fuel nozzles 13. This has the advantage that the flushing head can be operated in conjunction with different burners, which differ from each other, for example, in the number or placement of the fuel nozzles.
  • the embodiment described with the specially adapted to the burner design of the flushing head 3 has the advantage that the cleaning of the burner can be automated because no manual placement of flushing tubes on the fuel nozzles 13 is necessary.
  • the costly cleaning of the burner can be omitted by hand.
  • the burner cleaning device makes it possible to largely automate the cleaning of the burner. Thereby can save time and money during burner cleaning.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Nozzles For Spraying Of Liquid Fuel (AREA)
  • Cleaning By Liquid Or Steam (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Cleaning Or Drying Semiconductors (AREA)

Abstract

The burner cleaning device has a fuel nozzle and a fuel supply line (15) for the fuel nozzle, a rinsing head (3) with an opening, a fluid line (5), and a pump (37). The pump, the rinsing head, and the fluid line are connected with each other such that they form a sequential flow path by flow of a rinsing fluid. The rinsing head is formed such that the rinsing head is provided with an opening on a fuel nozzle of a burner (1). The fluid line is formed, such that the fluid line is connected to the fuel supply line of the burner.

Description

Die vorliegende Erfindung betrifft eine Brennerreinigungsvorrichtung zum Reinigen von Brennern, insbesondere zum Reinigen von Gasturbinenbrennern mit wenigstens einer Brennstoffdüse und wenigstens einer Brennstoffzuleitung.The present invention relates to a burner cleaning device for cleaning burners, in particular for cleaning gas turbine burners with at least one fuel nozzle and at least one fuel supply line.

Während des Betriebs von Brennern mit Heizöl kann es zur Verschmutzung bzw. Verkokung kommen, insbesondere im Bereich der Brennerdüsen. Dies hat zur Folge, dass der Brenner nicht mehr seine volle Leistung erbringen kann. Zudem können übermäßige Verschmutzung bzw. Verkokung Brennerbauteile beschädigen. Insbesondere bei Gasturbinen ist ein Leistungsabfall aufgrund von Verschmutzung bzw. Verkokung des Brenners schädlich, da dadurch die Gesamtleistung und die Emissionswerte der Gasturbine negativ beeinträchtigt werden.During the operation of burners with fuel oil can lead to pollution or coking, especially in the area of the burner nozzles. As a result, the burner can no longer perform at full capacity. In addition, excessive contamination or coking can damage burner components. Particularly in the case of gas turbines, a power loss due to contamination or coking of the burner is detrimental, since this adversely affects the overall performance and the emission values of the gas turbine.

Wenn bei Gasturbinenbrennern Verunreinigungen festgestellt werden, werden heutzutage die Brennerdüsen von Hand durchstoßen. Anschließend sind Ausblasfahrten mit der Gasturbine durchzuführen, in denen Verschmutzungsreste aus den Düsen herausgeblasen werden.When impurities are detected in gas turbine burners, nowadays the burner nozzles are pierced by hand. Then blow-out trips are to be made with the gas turbine, in which pollution residues are blown out of the nozzles.

Häufig sind Gasturbinenbrenner zudem mit Ringräumen versehen, welche das Heizöl von einer zentralen Heizölzufuhrleitung aus zu ringförmig um einen zentralen Brennerteil herum angeordneten Brennstoffdüsen leiten. Eine Reinigung des innen im Brenner angeordneten Ringraums ist mit den genannten Mitteln nicht möglich. Falls mit einem Durchstoßen der Düsen die Betriebseinschränkungen des Brenners nicht behoben werden können, müssen die Düsen ausgebaut werden. Erst dann kann der Ringraum - und das auch nur bedingt - gereinigt werden. Weitergehende Reinigungen bedürfen der vollständigen Demontage des Brenners.Frequently, gas turbine burners are also provided with annular spaces which direct the fuel oil from a central fuel oil supply line to ring around a central burner part arranged around fuel nozzles. A cleaning of the inside arranged in the burner annulus is not possible with the mentioned means. If it is not possible to eliminate the operating limitations of the burner by piercing the nozzles, the nozzles must be removed. Only then can the annulus - and only partially - be cleaned. Further cleaning requires the complete disassembly of the burner.

Es ist daher Aufgabe der vorliegenden Erfindung, eine Vorrichtung zum Reinigen von Brennern, insbesondere von Gasturbinenbrennern, zur Verfügung zu stellen, welche ein Reinigen des Brenners ohne Demontage ermöglicht.It is therefore an object of the present invention to provide a device for cleaning burners, in particular of gas turbine burners, available, which allows cleaning of the burner without disassembly.

Diese Aufgabe wird durch eine Brennerreinigungsvorrichtung nach Anspruch 1 gelöst. Die abhängigen Ansprüche enthalten vorteilhafte Ausgestaltungen der erfindungsgemäßen Brennerreinigungsvorrichtung.This object is achieved by a burner cleaning device according to claim 1. The dependent claims contain advantageous embodiments of the burner cleaning device according to the invention.

Eine erfindungsgemäße Brennerreinigungsvorrichtung zum Reinigen von Brennern mit wenigstens einer Brennstoffdüse und wenigstens einer Brennstoffzuleitung, insbesondere zum Reinigen von Gasturbinenbrennern, umfasst wenigstens einen Spülkopf mit wenigstens einer Spülkopföffnung und/oder wenigstens eine Fluidleitung und wenigstens eine Pumpe. Der Spülkopf ist derart ausgestaltet, dass er sich mit der Spülkopföffnung auf eine Brennstoffdüse des Brenners aufsetzen lässt und die Zu- oder Abfuhr eines Spülfluids zu der bzw. von der Düse ermöglicht. Die Fluidleitung ist derart ausgestaltet, dass sie sich an die Brennstoffzufuhrleitung des Brenners anschließen lässt und die Zu- oder Abfuhr eines Spülfluids zu der bzw. von der Brennstoffzufuhrleitung ermöglicht. Die Pumpe, der Spülkopf und/oder die Fluidleitung stehen strömungstechnisch derart miteinander in Verbindung, dass sie einen von dem Spülfluid sequenziell zu durchströmenden Strömungspfad bilden.A burner cleaning device according to the invention for cleaning burners with at least one fuel nozzle and at least one fuel feed line, in particular for cleaning gas turbine burners, comprises at least one flushing head with at least one flushing head opening and / or at least one fluid line and at least one pump. The flushing head is configured in such a way that it can be placed on a fuel nozzle of the burner with the flushing head opening and allows the supply or removal of a flushing fluid to or from the nozzle. The fluid line is designed such that it can be connected to the fuel supply line of the burner and allows the supply or removal of a flushing fluid to or from the fuel supply line. The pump, the flushing head and / or the fluid line are in fluid communication with one another in such a way that they form a flow path to be flowed through sequentially by the flushing fluid.

Mittels der Pumpe kann Spülfluid über den Spülkopf unter Druck durch die Brennstoffdüse in das Brennstoffsystem eingebracht werden, was ein Spülen des Brennstoffsystems herbeiführt. Das Spülfluid kann dann über die Brennstoffzufuhrleitung wieder aus dem Brennstoffzufuhrsystem austreten. Alternativ ist es möglich, das Spülfluid statt über die Brennstoffdüse über die Brennstoffzufuhrleitung zuzuführen und über die Düse wieder austreten zu lassen. Falls sowohl der Spülkopf als auch die Fluidleitung vorhanden sind, lässt sich zudem ein geschlossener Spülkreislauf aufbauen.By means of the pump flushing fluid can be introduced via the flushing head under pressure through the fuel nozzle in the fuel system, which causes flushing of the fuel system. The purge fluid may then exit the fuel supply system via the fuel supply line. Alternatively, it is possible to supply the flushing fluid instead of via the fuel nozzle via the fuel supply line and to let exit through the nozzle again. If both the flushing head and the fluid line are present, it is also possible to build up a closed flushing circuit.

Die erfindungsgemäße Brennerreinigungsvorrichtung ermöglicht das Reinigen des gesamten Brennstoffzufuhrsystems durch Druckspülung mittels der Spülflüssigkeit. Ein Reinigen von Hand ist nicht mehr nötig. Außerdem können innen liegende Abschnitte des Brennstoffzufuhrsystems, beispielsweise Ringräume, mitgereinigt werden. Eine Demontage der Brenner zur vollständigen Reinigung ist daher nicht mehr zwingend erforderlich. Da beim Spülen Verschmutzungsreste von der Spülflüssigkeit mitgerissen werden und daher nicht im Brennstoffzufuhrsystem verbleiben, können Ausblasfahrten nach der Reinigung weitgehend entfallen.The burner cleaning device according to the invention enables the cleaning of the entire fuel supply system by pressure flushing by means of the rinsing liquid. Cleaning by hand is no longer necessary. In addition, internal portions of the fuel supply system, such as annuli, mitgereinigt. A disassembly of the burner for complete cleaning is therefore no longer mandatory. Since rinsing residues are entrained by the rinsing liquid during rinsing and therefore do not remain in the fuel supply system, blow-out after cleaning can be largely eliminated.

Die erfindungsgemäße Vorrichtung eignet sich insbesondere zum Reinigen von Heizölzufuhrsystemen von Gasturbinenbrennern.The device according to the invention is particularly suitable for cleaning fuel oil supply systems of gas turbine burners.

Um ein Austreten von Spülfluid am Übergang zwischen dem aus der Pumpe, dem Spülkopf und ggf. der Fluidleitung gebildeten Spülpfad und dem Brenner zu vermeiden, ist der Spülkopf in einer Ausgestaltung der Erfindung mit wenigstens einer die Spülkopföffnung umgebenden Dichtung ausgestattet. Die Dichtung ist derart ausgestaltet und an dem Spülkopf angeordnet, dass sie bei auf die Brennstoffdüse aufgesetztem Spülkopf die Düsenöffnung umgibt. Die Dichtwirkung kann weiter erhöht werden, wenn der Spülkopf eine Spannvorrichtung aufweist, mit der er sich gegen die Düsenöffnung verspannen lässt.In order to prevent escape of flushing fluid at the transition between the flushing path formed by the pump, the flushing head and possibly the fluid line and the burner, in one embodiment of the invention the flushing head is equipped with at least one seal surrounding the flushing head opening. The seal is configured and arranged on the flushing head so that it surrounds the nozzle opening when mounted on the fuel nozzle flushing head. The sealing effect can be further increased if the flushing head has a clamping device, with which it can be braced against the nozzle opening.

In einer vorteilhaften Weiterbildung der erfindungsgemäßen Brennerreinigungsvorrichtung ist in den aus der Pumpe, dem Spülkopf und der Fluidleitung gebildeten Strömungspfad ein Filter geschaltet. Der Filter ermöglicht das Herausfiltern von durch das Spülfluid mitgerissenen, nicht lösbaren Verschmutzungsresten. Das gefilterte Spülfluid kann dann für einen weiteren Spülgang wieder verwendet werden, was insbesondere in einem geschlossenen Spülkreislauf ermöglicht.In an advantageous development of the burner cleaning device according to the invention, a filter is connected in the flow path formed by the pump, the flushing head and the fluid line. The filter allows filtering out of non-dissolvable debris entrained by the flushing fluid. The filtered flushing fluid can then be used again for another rinse, which allows in particular in a closed rinse cycle.

Insbesondere kann die Brennerreinigungsvorrichtung weiterhin einen in den Strömungspfad geschalteten Tank umfassen, der als Zwischenspeicher für Spülfluid dient. Im Falle eines geschlossenen Spülkreislaufes kann der Tank als Spülfluidreservoir dienen.In particular, the burner cleaning device may further comprise a connected in the flow path tank, the serves as a buffer for flushing fluid. In the case of a closed rinse cycle, the tank can serve as flushing fluid reservoir.

Vorteilhafter Weise umfasst die erfindungsgemäße Brennerreinigungsvorrichtung weiterhin ein in den Strömungspfad geschaltetes Ventil. Dieses Ventil ermöglicht bei Bedarf das Absperren des Strömungspfades. Wenn es wenigstens zwei den Strömungspfad freigebende Ventilstellungen aufweist, wobei in der einen freigebenden Ventilstellung die Strömungsrichtung des Spülfluids durch den Spülkopf und/oder durch die Fluidleitung gegenüber der Strömungsrichtung in der anderen freigebenden Ventilstellung umgekehrt ist, kann durch Umschalten des Ventils eine Umkehr der Strömungsrichtung des Spülfluids durch das Brennstoffzufuhrsystem des Brenners herbeigeführt werden. Dies ermöglicht es beispielsweise, Verschmutzungsreste, die für den Durchtritt durch die Düsenöffnung zu groß sind, durch die Brennstoffzufuhrleitung zu entfernen. Im Falle eines geschlossenen Spülkreislaufes weist dieser zudem vorteilhaft einen Abschnitt auf, der immer in der selben Richtung durchströmt wird. In diesem Abschnitt ist dann der Filter angeordnet, so dass Verschmutzungsreste bei Umkehrung der Strömungsrichtung nicht wieder in das Brennstoffzufuhrsystem gelangen.Advantageously, the burner cleaning device according to the invention further comprises a valve connected in the flow path. This valve allows shut off of the flow path if required. If it has at least two valve positions releasing the flow path, wherein in one releasing valve position the flow direction of the flushing fluid is reversed by the flushing head and / or by the fluid line with respect to the flow direction in the other releasing valve position, by reversing the valve, a reversal of the flow direction of the Flushing fluids are caused by the fuel supply system of the burner. This makes it possible, for example, to remove dirt residues that are too large for the passage through the nozzle opening, through the fuel supply line. In the case of a closed flushing circuit, this also advantageously has a section which is always flowed through in the same direction. In this section, the filter is then arranged so that contamination residues do not re-enter the fuel supply system when the flow direction is reversed.

Weitere Merkmale, Eigenschaften und Vorteile der vorliegenden Erfindung ergeben sich aus der nachfolgenden Beschreibung eines Ausführungsbeispiels unter Bezugnahme auf die beiliegenden Figuren.Further features, properties and advantages of the present invention will become apparent from the following description of an embodiment with reference to the accompanying figures.

Fig. 1 zeigt in einer schematischen Schnittansicht einen Gasturbinenbrenner mit daran angebrachten Elementen einer Brennerreinigungsvorrichtung.Fig. 1 shows a schematic sectional view of a gas turbine burner with attached elements of a burner cleaning device.

Fig. 2 zeigt einen Hydraulikplan für die Brennerreinigungsvorrichtung mit einem Ventil in einer ersten Ventilstellung.Fig. 2 shows a hydraulic plan for the burner cleaning device with a valve in a first valve position.

Fig. 3 zeigt den Hydraulikplan aus Fig. 2 in einer zweiten Ventilstellung.Fig. 3 shows the hydraulic circuit of Fig. 2 in a second valve position.

Fig. 4 zeigt den Hydraulikplan aus Fig. 2 in einer dritten Ventilstellung.Fig. 4 shows the hydraulic circuit of Fig. 2 in a third valve position.

Fig. 1 zeigt einen Gasturbinenbrenner 1, an dem ein Spülkopf 3 und eine Fluidleitung 5 einer erfindungsgemäßen Brennerreinigungsvorrichtung angeordnet sind. Der Brenner 1, der Spülkopf 3 und die Fluidleitung 5 sind in der Figur in einem Schnitt entlang der Brennerlängsachse A schematisch gezeigt.1 shows a gas turbine burner 1, on which a flushing head 3 and a fluid line 5 of a burner cleaning device according to the invention are arranged. The burner 1, the flushing head 3 and the fluid line 5 are shown schematically in the figure in a section along the burner longitudinal axis A.

Der Brenner 1 umfasst ein Hauptbrennersystem mit einem ringförmigen Luftzufuhrkanal 9 und einem Brennstoffzufuhrsystem 11 mit Brennstoffdüsen 13, die in den Luftzufuhrkanal 9 münden. Der Brennstoff wird über eine Brennstoffzufuhrleitung 15 des Brennstoffzufuhrsystems 11 in einen Ringraum 17, welcher die Brennerlängsachse A ringförmig umgibt, eingeleitet, von wo er schließlich auf die Brennstoffdüsen 13 verteilt wird. Als Brennstoffe kommen grundsätzlich alle brennbaren Gase oder Flüssigkeiten in Frage, insbesondere jedoch Heizöl.The burner 1 comprises a main burner system with an annular air supply channel 9 and a fuel supply system 11 with fuel nozzles 13, which open into the air supply channel 9. The fuel is introduced via a fuel supply line 15 of the fuel supply system 11 into an annular space 17, which annularly surrounds the burner longitudinal axis A, from where it is finally distributed to the fuel nozzles 13. As fuels are basically all combustible gases or liquids in question, but especially fuel oil.

Der Brenner ist als sog. Vormischbrenner ausgebildet, bei dem der Brennstoff vor der Verbrennung in einen durch den Luftzufuhrkanal 9 einströmenden Luftstrom eingedüst wird. Beim Betrieb des Brenners, insbesondere mit Heizöl als Brennstofffluid, kommt es im gesamten Brennstoffzufuhrsystem 11 zu Verschmutzungen und Verkokungen, die insbesondere zu einem Zusetzen der Düsenöffnungen führen können.The burner is designed as a so-called premix burner, in which the fuel is injected prior to combustion in an air stream flowing in through the air supply channel 9. During operation of the burner, in particular with fuel oil as fuel fluid, contaminations and coking occur in the entire fuel supply system 11, which in particular can lead to clogging of the nozzle openings.

Der Brenner umfasst zusätzlich zu dem Hauptbrennersystem 7 ein weiteres Brennersystem, welches im Inneren 19 des Hauptbrennersystems 7 angeordnet ist. Das weitere Brennersystem ist in der Figur nicht dargestellt. Es kann beispielsweise ein Pilotbrennersystem umfassen.The burner comprises, in addition to the main burner system 7, a further burner system which is arranged in the interior 19 of the main burner system 7. The further burner system is not shown in the figure. It may, for example, comprise a pilot burner system.

In Fig. 1 sind neben dem Brenner 1 der Spülkopf 3 und die Fluidleitung 5 eines Brennerreinigungssystems dargestellt.In Fig. 1, the flushing head 3 and the fluid line 5 of a burner cleaning system are shown next to the burner 1.

Der Spülkopf 3 ist im vorliegenden Ausführungsbeispiel rotationssymmetrisch ausgebildet und umfasst eine zylindermantelförmige oder kegelstumpfmantelförmige Wand 21, durch deren Inneres Spülfluidkanäle 23 zu einer Stirnfläche 25 der Wand 21 geführt sind. Die Stirnfläche 25 umgrenzt eine Öffnung in der Stirnseite des von der Wand 21 gebildeten hohlen Zylinders bzw. Kegelstumpfes. An dem dieser Öffnung gegenüberliegenden Ende der Wand 21 schließt sich eine Stirnwand 26 an, durch die die Kanäle 23 bis zu einem zentralen Bereich 27 der Stirnwand 26 weitergeführt sind. In den zentralen Bereich 27 mündet eine Spülfluidleitung 29. Über die Spülfluidleitung 29 kann dem Spülkopf 3 Spülfluid zugeleitet oder Spülfluid vom Spülkopf 3 abgeleitet werden.The flushing head 3 is rotationally symmetrical in the present exemplary embodiment and comprises a cylinder jacket-shaped or truncated cone-shaped wall 21, through the interior of which flushing fluid channels 23 are led to an end face 25 of the wall 21. The end face 25 defines an opening in the end face of the hollow cylinder or truncated cone formed by the wall 21. At the opposite end of the wall 21, an end wall 26 connects, through which the channels 23 are continued to a central region 27 of the end wall 26. A flushing fluid line 29 opens into the central region 27. Via the flushing fluid line 29, flushing fluid 3 can be supplied to the flushing head or flushing fluid can be discharged from the flushing head 3.

Der Spülkopf 3 ist derart ausgebildet, dass er sich durch die Austrittsöffnung 31 des Brenners 1 bis zu den Brennstoffdüsen 13 in den Luftzufuhrkanal 9 einführen lässt. Die Geometrie der Wand 21 ist so gewählt, dass die Stirnfläche 25 auf die kranzförmig inneren des Luftzufuhrkanals 9 um die Brennerlängsachse A herum angeordneten Brennstoffdüsen 13 aufgesetzt werden kann. In der Stirnfläche 25 sind zudem Spülfluidaustrittsöffnungen 33 vorhanden, die so in der Stirnfläche 25 angeordnet sind, dass sie bei in den Brenner 1 eingeführtem Spülkopf 3 mit den Brennstoffdüsen 13 fluchten. Um die Spülfluidöffnungen 33 herum sind Dichtungen 35 angeordnet, die den Luftzufuhrkanal 9 gegen durch die Öffnungen 33 und die Düsen 13 strömendes Spülfluid abdichten. Die Dichtwirkung wird im vorliegenden Ausführungsbeispiel durch Druckfedern 36 erhöht, die als Spannelemente zwischen dem Spülkopf 3 und der Wand des Luftzufuhrkanals 9 wirken. Alternative Ausgestaltungen der Spannelemente, bspw. als Überwurf zum Brenner 1, als Spannhebel, etc. sind auch möglich.The flushing head 3 is designed such that it can be inserted through the outlet opening 31 of the burner 1 as far as the fuel nozzles 13 into the air supply channel 9. The geometry of the wall 21 is selected so that the end face 25 can be placed on the annular inner of the air supply channel 9 around the burner longitudinal axis A arranged around fuel nozzles 13. In the end face 25 also Spülfluidaustrittsöffnungen 33 are provided which are arranged in the end face 25 that they are aligned with introduced into the burner 1 rinsing head 3 with the fuel nozzles 13. Around the rinsing fluid openings 33, seals 35 are arranged which seal the air supply channel 9 against flushing fluid flowing through the openings 33 and the nozzles 13. The sealing effect is increased in the present embodiment by compression springs 36, which act as clamping elements between the flushing head 3 and the wall of the air supply channel 9. Alternative embodiments of the clamping elements, eg. As a throw to the burner 1, as a clamping lever, etc. are also possible.

Über den Spülkopf 3 und die Fluidleitung 29 kann dann Spülfluid in das Brennstoffsystem 11 eingespült werden. Durch den Ringraum 17 und die Brennstoffzufuhrleitung 15 kann das Spülfluid dann wieder aus dem Brennstoffzufuhrsystem 11 austreten. Auf diese Weise ist mittels des Spülkopfes 3 ein Spülen des gesamten Brennstoffzufuhrsystems möglich. Das durch das Brennstoffzufuhrsystem 11 strömende Spülfluid spült Verschmutzungen bzw. Verkokungen im Brennstoffzufuhrsystem 11, die insbesondere im Bereich der Brennstoffdüsen 13 auftreten und störend sind, aus dem Brennstoffzufuhrsystem heraus. Das über die Brennstoffzufuhrleitung 15 aus dem Brennstoffzufuhrsystem 11 heraustretende Spülfluid kann aufgefangen werden. Als Spülfluid kann insbesondere entmineralisiertes Wasser oder ein Lösungsmittel zur Anwendung kommen.Flushing fluid can then be flushed into the fuel system 11 via the flushing head 3 and the fluid line 29. Through the annular space 17 and the fuel supply line 15, the flushing fluid can then emerge again from the fuel supply system 11. In this way, by means of the flushing head 3 rinsing the entire fuel supply system possible. The purge fluid flowing through the fuel supply system 11 flushes contaminants or coking in the fuel supply system 11, which occur in particular in the region of the fuel nozzles 13 and are disturbing, out of the fuel supply system. The flushing fluid emerging from the fuel supply system 11 via the fuel supply line 15 can be collected. In particular, demineralized water or a solvent can be used as flushing fluid.

Die Brennerreinigungsvorrichtung umfasst außerdem eine in Fig. 1 nicht dargestellte Pumpe 37 (vgl. Figuren 2-4), mit deren Hilfe das Spülfluid durch das Brennstoffzufuhrsystem 11 gepumpt wird.The burner cleaning device also comprises a pump 37, not shown in Fig. 1 (see Figures 2-4), with the aid of which the flushing fluid is pumped through the fuel supply system 11.

Zwar ist es grundsätzlich möglich, das aus dem Brennstoffzufuhrsystem 11 austretende Spülfluid mit den darin enthaltenen Verschmutzungen zu entsorgen, im vorliegenden Ausführungsbeispiel kommt jedoch ein geschlossener Spülkreislauf zur Anwendung. An die Brennstoffzufuhrleitung 15 ist eine Fluidleitung 5 angeschlossen, welche das aus dem Brennstoffzufuhrsystem 11 austretende Spülfluid zu einem Filter 39 leitet, wo die vom Spülfluid mitgenommenen Verschmutzungen herausgefiltert werden. Nach dem Durchströmen des Filters wird das Spülfluid in einem Tank gesammelt, von wo aus es mittels der Pumpe dem Spülkopf 3 wieder zugeführt wird.Although it is in principle possible to dispose of the flushing fluid leaving the fuel supply system 11 with the contaminants contained therein, in the present embodiment, however, a closed flushing circuit is used. To the fuel supply line 15, a fluid line 5 is connected, which directs the flushing fluid leaving the fuel supply system 11 to a filter 39, where the contaminants entrained by the flushing fluid are filtered out. After flowing through the filter, the flushing fluid is collected in a tank, from where it is returned to the flushing head 3 by means of the pump.

Der Spülkreislauf ist in Form eines Hydraulikplans in den Figuren 2-4 dargestellt. Im Hydraulikplan sind neben dem Spülkopf 3 und der Fluidleitung 5 auch die Pumpe 37, der Filter 39, der Tank 41 sowie ein Ventil 43 gezeigt. Das Ventil 43 ist im vorliegenden Ausführungsbeispiel als ein mit der Hand zu betätigendes 4/3 Wegeventil mit Sperr-Mittelstellung ausgebildet. Es kann jedoch auch als elektrisch zu betätigendes Ventil, beispielsweise als Solenoidventil, ausgebildet sein.The rinse cycle is shown in the form of a hydraulic plan in FIGS. 2-4. In the hydraulic plan, in addition to the flushing head 3 and the fluid line 5, the pump 37, the filter 39, the tank 41 and a valve 43 are shown. The valve 43 is formed in the present embodiment as a hand-operated 4/3 way valve with locking center position. However, it can also be designed as an electrically operated valve, for example as a solenoid valve.

Der Spülkopf 3, die Fluidleitung 5, die Pumpe 37, der Filter 39, der Tank 41 und das Ventil 43 bilden zusammen mit dem Brennstoffzufuhrsystem 11 des Brenners 1, wie bereits erwähnt, einen geschlossenen Fluidkreislauf. Der Fluidkreislauf weist einen ersten Abschnitt 45 auf, der den Spülkopf 3, die zum Spülkopf 3 führende Spülfluidleitung 29, die Fluidleitung 5 und das Brennstoffzufuhrsystem 11 des Brenners 1 umfasst. Daneben weist es einen zweiten Abschnitt 47 auf, der die Pumpe 37, den Filter 39, den Tank 41 und diese Elemente miteinander verbindende Fluidleitungen 49 umfasst. Zwischen dem ersten Abschnitt 45 und dem zweiten Abschnitt 47 ist das 4/3 Wegeventil mit Sperr-Mittelstellung 43 angeordnet.The flushing head 3, the fluid line 5, the pump 37, the filter 39, the tank 41 and the valve 43 together with the Fuel supply system 11 of the burner 1, as already mentioned, a closed fluid circuit. The fluid circuit has a first section 45 which comprises the flushing head 3, the flushing fluid line 29 leading to the flushing head 3, the fluid line 5 and the fuel supply system 11 of the burner 1. In addition, it has a second section 47, which comprises the pump 37, the filter 39, the tank 41 and these elements interconnecting fluid lines 49. Between the first portion 45 and the second portion 47, the 4/3 way valve with locking center position 43 is arranged.

In der in Fig. 2 dargestellten Ventilstellung strömt das Spülfluid von der Pumpe 37 ausgehend in den Spülkopf 3, durch das Brennstoffzufuhrsystem 11, die Fluidleitung 5 und den Filter 39 in den Tank 41, von wo aus es die Pumpe 37 wieder in den Spülkopf 3 pumpt. Im Filter 39 werden dabei die aus der Reinigung des Brennstoffzufuhrsystems 11 resultierenden Schwebteilchen aus dem Spülfluid herausgefiltert.In the valve position shown in FIG. 2, the flushing fluid flows from the pump 37, starting in the flushing head 3, through the fuel supply system 11, the fluid line 5 and the filter 39 into the tank 41, from where it returns the pump 37 into the flushing head. 3 inflated. In the filter 39 while resulting from the cleaning of the fuel supply system 11 suspended particles are filtered out of the flushing fluid.

Es kann sinnvoll sein, die Strömungsrichtung des durch den ersten Abschnitt 45 des Fluidkreislaufes strömenden Kühlfluids umzukehren. Um dies zu erreichen, wird das Ventil 43 über eine Ventilstellung, in der der Fluidkreislauf unterbrochen ist (siehe Fig. 3), in eine Ventilstellung überführt, in der die Strömungsverhältnisse im ersten Abschnitt 45 gegenüber der in Fig. 2 dargestellten Ventilstellung umgekehrt sind. Die Strömungsverhältnisse im zweiten Abschnitt 47 bleiben hingegen unverändert. Durch Umkehren der Spülrichtung kann beispielsweise verhindert werden, dass Rückstände, die in der einen Spülrichtung nicht aus dem Brennstoffzufuhrsystem 11 herausgespült werden können, nach der Reinigung noch im Brennstoffzufuhrsystem 11 verbleiben.It may be useful to reverse the flow direction of the cooling fluid flowing through the first section 45 of the fluid circuit. To achieve this, the valve 43 is transferred via a valve position in which the fluid circuit is interrupted (see FIG. 3) into a valve position in which the flow conditions in the first section 45 are reversed relative to the valve position shown in FIG. The flow conditions in the second section 47, however, remain unchanged. By reversing the flushing direction, it is possible, for example, to prevent residues which can not be flushed out of the fuel supply system 11 in one flushing direction remaining in the fuel supply system 11 after the cleaning.

Dadurch, dass der zweite Abschnitt 47 des Spülkreislaufes immer in der selben Richtung durchströmt wird, kann verhindert werden, dass Verschmutzungen, die vom Filter beim Durchströmen in der einen Richtung herausgefiltert wurden, beim Strömen in der anderen Richtung wieder in das Brennstoffzufuhrsystem eingetragen werden. Zudem braucht die Pumpe 37, die als Druck- oder als Saugpumpe ausgebildet sein kann, nur in der Lage zu sein, in eine Richtung zu pumpen.The fact that the second section 47 of the flushing circuit is always flowed through in the same direction, can be prevented that contaminants that were filtered out from the filter when flowing in one direction, when flowing in the other direction back into the fuel supply system be registered. In addition, the pump 37, which may be designed as a pressure or suction pump, only needs to be able to pump in one direction.

Wie oben bereits angedeutet, kann die Brennerreinigungsvorrichtung statt mit einem geschlossenen Spülkreislauf mit einem offenen Spülpfad betrieben werden. In diesem Fall kann entweder Spülfluid über den Spülkopf 3 dem Brennstoffzufuhrsystem 11 zugeführt werden, welches anschließend durch die Brennstoffzufuhrleitung 15 aus dem Brennstoffzufuhrsystem 11 austritt und entsorgt wird. Alternativ ist es auch möglich, das Spülfluid 5 über die Fluidleitung 5 zuzuführen. Das Spülfluid tritt dann nach dem Durchströmen des Brennstoffzufuhrsystems 11 aus den Brennstoffdüsen 13 aus und kann nach dem Austritt aufgefangen und entsorgt werden. Ein geschlossener Spülkreislauf ist jedoch im Hinblick auf den Spülfluidverbrauch und in ökologischer Hinsicht vorteilhaft.As already indicated above, the burner cleaning device can be operated with an open rinse path instead of a closed rinse cycle. In this case, either flushing fluid can be supplied via the flushing head 3 to the fuel supply system 11, which then exits through the fuel supply line 15 from the fuel supply system 11 and is disposed of. Alternatively, it is also possible to supply the flushing fluid 5 via the fluid line 5. The flushing fluid then exits after passing through the fuel supply system 11 from the fuel nozzles 13 and can be collected after discharge and disposed of. However, a closed rinse cycle is advantageous in terms of purge fluid consumption and environmental.

Im beschriebenen Ausführungsbeispiel waren alle Spülfluidkanäle 23 in einer gemeinsamen Wand 21 angeordnet, die an den zu reinigenden Brenner 1 angepasst ist. Es ist jedoch auch möglich, den Spülkopf mit einer Anzahl von Zuleitungen, bspw. in Form von Schläuchen oder Rohren, auszustatten, die individuell auf die Brennstoffdüsen 13 aufgesetzt werden. Dies hat den Vorteil, dass der Spülkopf in Verbindung mit unterschiedlichen Brennern, die sich beispielsweise in der Anzahl oder der Platzierung der Brennstoffdüsen voneinander unterscheiden, betrieben werden kann. Die beschriebene Ausführungsvariante mit der speziell an den Brenner angepassten Ausgestaltung des Spülkopfes 3 hat jedoch den Vorteil, dass das Reinigen des Brenners automatisiert werden kann, da kein manuelles Aufsetzen von Spülschläuchen auf die Brennstoffdüsen 13 nötig ist.In the described embodiment, all Spülfluidkanäle 23 were arranged in a common wall 21, which is adapted to the burner 1 to be cleaned. However, it is also possible to equip the flushing head with a number of supply lines, for example. In the form of hoses or pipes, which are individually placed on the fuel nozzles 13. This has the advantage that the flushing head can be operated in conjunction with different burners, which differ from each other, for example, in the number or placement of the fuel nozzles. However, the embodiment described with the specially adapted to the burner design of the flushing head 3 has the advantage that the cleaning of the burner can be automated because no manual placement of flushing tubes on the fuel nozzles 13 is necessary.

Mit der erfindungsgemäßen Brennerreinigungsvorrichtung kann das aufwendige Reinigen des Brenners von Hand entfallen. Insbesondere ermöglicht es die Brennerreinigungsvorrichtung, das Reinigen des Brenners weitgehend zu automatisieren. Dadurch lassen sich bei der Brennerreinigung Zeit und Kosten einsparen.With the burner cleaning device according to the invention, the costly cleaning of the burner can be omitted by hand. In particular, the burner cleaning device makes it possible to largely automate the cleaning of the burner. Thereby can save time and money during burner cleaning.

Claims (9)

Brennerreinigungsvorrichtung zur Reinigung von Brennern (1), insbesondere von Gasturbinenbrennern, mit wenigstens einer Brennstoffdüse (13) und wenigstens einer Brennstoffzuleitung (15), welche umfasst: - wenigstens einen Spülkopf (3) mit einer Spülkopföffnung (33), welcher derart ausgestaltet ist, dass er sich mit der Spülkopföffnung (33) auf eine Brennstoffdüse (13) des Brenners (1) aufsetzen lässt und die Zu- oder Abfuhr eines Spülfluids zu der bzw. von der Düse (13) ermöglicht; und/oder - wenigstens einer Fluidleitung (5), die derart ausgestaltet ist, dass sie sich an die Brennstoffzufuhrleitung (15) des Brenners (1) anschließen lässt und die Zu- oder Abfuhr eines Spülfluids zu der bzw. von der Brennstoffzufuhrleitung (15) ermöglicht; und - einer Pumpe (37); - wobei die Pumpe (37), der Spülkopf (3) und/oder die Fluidleitung (5) strömungstechnisch derart miteinander verbunden sind, dass sie einen von dem Spülfluid sequentiell durchströmbaren Strömungspfad bilden. Burner cleaning device for cleaning burners (1), in particular gas turbine burners, with at least one fuel nozzle (13) and at least one fuel feed line (15), which comprises: - At least one rinsing head (3) with a rinsing head opening (33) which is designed such that it can be placed with the rinsing head opening (33) on a fuel nozzle (13) of the burner (1) and the supply or discharge of a rinsing fluid to the or from the nozzle (13) allows; and or - At least one fluid line (5) which is designed such that it can be connected to the fuel supply line (15) of the burner (1) and the supply or discharge of a flushing fluid to or from the fuel supply line (15) allows; and - a pump (37); - Wherein the pump (37), the flushing head (3) and / or the fluid line (5) are fluidically connected to one another such that they form a flow path sequentially flowed through by the flushing fluid. Brennerreinigungsvorrichtung nach Anspruch 1, in der der Spülkopf (3) mit wenigstens einer die Spülkopföffnung (33) umgebenden Dichtung (35) ausgestattet ist, die derart ausgestaltet und an dem Spülkopf (3) angeordnet ist, dass sie bei auf die Brennstoffdüse (13) aufgesetztem Spülkopf (3) die Düsenöffnung (13) umgibt.Burner cleaning device according to claim 1, in which the flushing head (3) is equipped with at least one seal (35) surrounding the flushing head opening (33), which is designed and arranged on the flushing head (3) so that it can be pressed onto the fuel nozzle (13). mounted flushing head (3) surrounds the nozzle opening (13). Brennerreinigungsvorrichtung nach Anspruch 2, in der der Spülkopf (3) eine Spannvorrichtung (36) umfasst, mit der sich der Spülkopf (3) gegen die Düsenöffnung verspannen lässt.Burner cleaning device according to claim 2, in which the flushing head (3) comprises a tensioning device (36) with which the flushing head (3) can be clamped against the nozzle opening. Brennerreinigungsvorrichtung nach einem der vorangehenden Ansprüche, die weiterhin einen in den Strömungspfad geschalteten Filter (39) umfasst.Burner cleaning device according to one of the preceding claims, further comprising a filter (39) connected in the flow path. Brennerreinigungsvorrichtung nach einem der vorangehenden Ansprüche, die weiterhin einen in den Strömungspfad geschalteten Tank (41) umfasst.Burner cleaning device according to one of the preceding claims, further comprising a tank (41) connected in the flow path. Brennerreinigungsvorrichtung nach einem der vorangehenden Ansprüche, die weiterhin ein in den Strömungspfad geschaltetes Ventil (43) umfasst.Burner cleaning device according to one of the preceding claims, further comprising a valve (43) connected in the flow path. Brennerreinigungsvorrichtung nach Anspruch 6, in der das Ventil (43) wenigstens zwei den Strömungspfad freigebende Ventilstellungen aufweist, wobei in der einen freigebenden Ventilstellung die Strömungsrichtung des Spülfluids durch den Spülkopf (3) und/oder die Fluidleitung (5) gegenüber der Strömungsrichtung in der anderen freigebenden Ventilstellung umgekehrt ist.Burner cleaning device according to claim 6, in which the valve (43) has at least two valve positions releasing the flow path, wherein in one releasing valve position, the flow direction of the flushing fluid through the flushing head (3) and / or the fluid line (5) with respect to the flow direction in the other releasing valve position is reversed. Brennerreinigungsvorrichtung nach Anspruch 4 und Anspruch 7, in der der Strömungspfad einen Abschnitt (47) aufweist, der unabhängig von der freigebenden Ventilstellung immer in derselben Strömungsrichtung durchströmt wird und in dem der Filter (39) angeordnet ist.Burner cleaning device according to claim 4 and claim 7, in which the flow path has a portion (47) which is always flowed through in the same flow direction independently of the releasing valve position and in which the filter (39) is arranged. Brennerreinigungsvorrichtung nach einem der vorangehenden Ansprüche, die entmineralisiertes Wasser oder ein Lösungsmittel als Spülfluid umfasst.Burner cleaning device according to one of the preceding claims, comprising demineralized water or a solvent as flushing fluid.
EP06017057A 2006-08-16 2006-08-16 Device for cleaning burners Not-in-force EP1892471B1 (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
AT06017057T ATE448446T1 (en) 2006-08-16 2006-08-16 BURNER CLEANING DEVICE
EP06017057A EP1892471B1 (en) 2006-08-16 2006-08-16 Device for cleaning burners
DE502006005350T DE502006005350D1 (en) 2006-08-16 2006-08-16 Burner cleaning device
US12/310,144 US8920579B2 (en) 2006-08-16 2007-08-10 Burner cleaning device
RU2009109250/06A RU2429412C2 (en) 2006-08-16 2007-08-10 Burner cleaning device
PCT/EP2007/058299 WO2008019995A2 (en) 2006-08-16 2007-08-10 Burner cleaning device
CN200780030368.0A CN101506578B (en) 2006-08-16 2007-08-10 Burner cleaning device

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EP06017057A EP1892471B1 (en) 2006-08-16 2006-08-16 Device for cleaning burners

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EP1892471A1 true EP1892471A1 (en) 2008-02-27
EP1892471B1 EP1892471B1 (en) 2009-11-11

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EP (1) EP1892471B1 (en)
CN (1) CN101506578B (en)
AT (1) ATE448446T1 (en)
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WO (1) WO2008019995A2 (en)

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JP2012516970A (en) * 2009-02-06 2012-07-26 シーメンス アクティエンゲゼルシャフト Method for cleaning an area of a gas turbine fuel system

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US8920579B2 (en) 2014-12-30
EP1892471B1 (en) 2009-11-11
DE502006005350D1 (en) 2009-12-24
WO2008019995A2 (en) 2008-02-21
WO2008019995A3 (en) 2008-04-10
CN101506578B (en) 2011-05-18
CN101506578A (en) 2009-08-12
RU2009109250A (en) 2010-09-27
RU2429412C2 (en) 2011-09-20
US20090320891A1 (en) 2009-12-31
ATE448446T1 (en) 2009-11-15

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