EP0533652A1 - Process and device for operating a gas turbine with introduction of additives. - Google Patents

Process and device for operating a gas turbine with introduction of additives.

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Publication number
EP0533652A1
EP0533652A1 EP89901457A EP89901457A EP0533652A1 EP 0533652 A1 EP0533652 A1 EP 0533652A1 EP 89901457 A EP89901457 A EP 89901457A EP 89901457 A EP89901457 A EP 89901457A EP 0533652 A1 EP0533652 A1 EP 0533652A1
Authority
EP
European Patent Office
Prior art keywords
water
magnesium compound
burner
combustion chamber
magnesium
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
EP89901457A
Other languages
German (de)
French (fr)
Other versions
EP0533652B1 (en
Inventor
Norbert Czech
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
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Siemens AG
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Filing date
Publication date
Application filed by Siemens AG filed Critical Siemens AG
Publication of EP0533652A1 publication Critical patent/EP0533652A1/en
Application granted granted Critical
Publication of EP0533652B1 publication Critical patent/EP0533652B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
    • C10L10/00—Use of additives to fuels or fires for particular purposes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J7/00—Arrangement of devices for supplying chemicals to fire
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
    • F23L7/00—Supplying non-combustible liquids or gases, other than air, to the fire, e.g. oxygen, steam
    • F23L7/002—Supplying water
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
    • F23L7/00—Supplying non-combustible liquids or gases, other than air, to the fire, e.g. oxygen, steam
    • F23L7/002—Supplying water
    • F23L7/005—Evaporated water; Steam

Definitions

  • the present invention relates to a method for operating a gas turbine according to the preamble of claim 1 and a corresponding device according to the preamble of claim 7.
  • magnesium orthovanadate g, V 2 0g
  • the magnesium has been mixed into the fuel either in the form of oil-soluble compounds, colloidal suspensions or in the form of water-soluble salts which have to be emulsified.
  • the object of the present invention to create a method and an associated device which enable a reliable and inexpensive admixture of magnesium in the combustion process while avoiding the aforementioned problems.
  • the admixture of magnesium sulfate dissolved in the water in the combustion process of fuels containing vanadium should be made easier and cheaper.
  • the concentration of the water-soluble magnesium compound in the water can be adjusted such that about one tenth of the volume of water with dissolved magnesium compound has to be injected per part by volume of fuel. From a technical point of view, this is not a problem because the injection of much larger amounts of water is already solved in another context.
  • a burner was selected as an example, as is described in detail in EP-A-0 193 838. There is no explanation of the structural details of the burner itself. It is only important that the burner 1 has devices for injecting water 2 and / or steam 3. It is not decisive whether it is a premix burner, a diffusion burner or a so-called hybrid burner. According to the invention, such a burner is assigned at least one storage container 4, which is connected via a metering device 5 to the injection devices 2, 3 for water and / or steam.
  • the present invention is particularly suitable for gas turbine plants in which vanadium-containing fuel is to be burned always or temporarily.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)

Abstract

Procédé, nécessitant au moins un brûleur dans une chambre de combustion, avec lequel, pour éviter que les éléments de la turbine à gaz soient détériorés par le vanadium présent dans le combustible, un composé du magnésium dissous dans l'eau est injecté séparément dans la chambre de combustion. Un dispositif pour la mise en oeuvre du procédé se compose d'un brûleur (1) d'un modèle connu avec des dispositifs pour l'injection d'eau (2) ou de vapeur (3), ces dispositifs étant reliés à un réservoir (4) par l'intermédiaire d'un doseur (5). L'invention permet de substituer à l'emploi de composés du magnésium onéreux et solubles dans l'huile des sels de magnésium solubles dans l'eau d'une bien plus grande facilité d'emploi et d'un prix de revient avantageux.A process, requiring at least one burner in a combustion chamber, with which, to prevent the elements of the gas turbine from being damaged by the vanadium present in the fuel, a magnesium compound dissolved in water is separately injected into the gas turbine. combustion chamber. A device for carrying out the method consists of a burner (1) of a known model with devices for injecting water (2) or steam (3), these devices being connected to a tank (4) via a metering device (5). The invention makes it possible to replace the use of expensive and oil-soluble magnesium compounds with water-soluble magnesium salts which are much easier to use and at an advantageous cost.

Description

Verfahren und Vorrichtung zum Betrieb einer Gasturbine mit Zuführung von Zusatzstoffen Method and device for operating a gas turbine with addition of additives
Die vorliegende Erfindung betrifft ein Verfahren zum Betrieb einer Gasturbine gemäß dem Oberbegriff des Anspruchs 1 und eine entsprechende Vorrichtung gemäß dem Oberbegriff des An¬ spruchs 7.The present invention relates to a method for operating a gas turbine according to the preamble of claim 1 and a corresponding device according to the preamble of claim 7.
Aus der EP-A-0 193 838 ist beispielsweise ein sogenannter Hybridbrenπer bekannt, welcher auch Möglichkeiten zur Ein¬ spritzung von Wasser oder Dampf in die Verbrennungszone vor¬ sieht. Wegen Einzelheiten der Brennerkonstruktion wird aus¬ drücklich auf diese Schrift Bezug genommen. Weitere Varianten von Brennern mit zusätzlicher Einspritzung von Inertstoffen sind auch aus der DE-A 36 06 625 bekannt. Wasser und/oder Dampf werden z. B. in die Verbrennungszone einer Brennkammer eingedüst, um dort die Temperatur zu senken und so die Erzeu¬ gung von umweltschädigendem NO zu verringern.From EP-A-0 193 838, for example, a so-called hybrid burner is known, which also provides options for injecting water or steam into the combustion zone. For details of the burner construction, reference is expressly made to this document. Further variants of burners with additional injection of inert substances are also known from DE-A 36 06 625. Water and / or steam are e.g. B. injected into the combustion zone of a combustion chamber in order to lower the temperature there and thus reduce the generation of environmentally harmful NO.
Aus dem Stand der Technik ist es ferner bekannt, dem Brennstoff bei der Feuerung von Gasturbinen Additive beizumischen, bei¬ spielsweise, um die Bauteile der Gasturbine vor Schäden zu schützen. Insbesondere gibt es Probleme durch vanadiumhaltige Brennstoffe, beispielsweise bestimmte Schweröle. Das Vanadium bildet an den heißgasführenden Bauteilen, insbesondere den Schaufeln einer Gasturbine, niedrigschmelzende Vanadiumverbin¬ dungen, die sehr aggressiv sind und schützende Oxidschichten schnell auflösen. Dies führt zu einer stark beschleunigten Hochtemperaturkorrosion. Zur Vermeidung dieser Korrosionsform ist es bekannt, dem Brennstoff Metallverbindungen beizumischen, die während der Verbrennung mit dem Vanadium reagieren und Va- nadate bilden, die sich durch so hohe Schmelzpunkte auszeich¬ nen, daß sie bei den üblichen Schaufeltemperaturen in fester Form vorliegen. Unter zahlreichen Metallverbindungen haben sich insbesondere die des Magnesiums bewährt, da sich bei hin¬ reichendem Magnesiumüberschuß Magnesium-Orthovanadat ( g,V20g) bildet, das erst bei 1159° C schmilzt. Die entstehenden mag- nesiumhaltigen Beläge sind andererseits gut von den Schaufeln wieder zu entfernen. Bisher wird das Magnesium dem Brennstoff entweder in Form von öllöslichen Verbindungen, kolloidalen Suspensionen oder in Form von wasserlöslichen Salzen, die emulgiert werden müssen, beigemischt.It is also known from the prior art to add additives to the fuel when firing gas turbines, for example in order to protect the components of the gas turbine from damage. In particular, there are problems with fuels containing vanadium, for example certain heavy oils. The vanadium forms low-melting vanadium compounds on the hot gas-carrying components, in particular the blades of a gas turbine, which are very aggressive and quickly dissolve protective oxide layers. This leads to strongly accelerated high-temperature corrosion. In order to avoid this form of corrosion, it is known to add metal compounds to the fuel which react with the vanadium during combustion and form vanadates which are characterized by such high melting points that they are in solid form at the usual blade temperatures. Among numerous metal compounds, those of magnesium have proven particularly effective, since magnesium orthovanadate (g, V 2 0g) forms, which only melts at 1159 ° C. The resulting magnesium-containing deposits, on the other hand, can be easily removed from the blades. So far, the magnesium has been mixed into the fuel either in the form of oil-soluble compounds, colloidal suspensions or in the form of water-soluble salts which have to be emulsified.
Die Herstellung öllöslicher Additive ist sehr aufwendig und hat hohe Kosten zur Folge, die beispielsweise bei hohen Vana- diumgehalten die Verwendung eines Brennstoffes unwirtschaft¬ lich machen können. Die Beimischung von preiswerteren, nicht öllöslichen Magnesium-Verbindungen als Suspension oder Emul¬ sion bereitet schwerwiegende Stabilitätsprobleme und erfordert einen erheblichen apparativen Aufwand. Durch Magnesium-Oxid- Suspensionen kann es zum Verschleiß von Brennerdüsen kommen. Aus der AU-B 496757, von der die vorliegende Erfindung aus¬ geht, ist die Verwendung von in Wasser gelöstem Magnesium¬ sulfat, welches mit dem Brennstoff emulgiert wird, bekannt. Die Dosierung und Mischung mit dem Brennstoff ist jedoch rela- tiv aufwendig und nur schwer konstant zu halten. In fast allen Anwendungsfällen mußte daher bisher auf die teuren öllöslichen Additive zurückgegriffen werden.The production of oil-soluble additives is very complex and entails high costs which, for example at high vanadium contents, can make the use of a fuel uneconomical. The admixture of cheaper, non-oil-soluble magnesium compounds as a suspension or emulsion causes serious stability problems and requires considerable equipment. Magnesium oxide suspensions can cause burner nozzles to wear out. From AU-B 496757, from which the present invention is based, the use of magnesium sulfate dissolved in water, which is emulsified with the fuel, is known. However, metering and mixing with the fuel is relatively complex and difficult to keep constant. In almost all applications, the expensive oil-soluble additives have had to be used.
Vor diesem Hintergrund ist es Aufgabe der vorliegenden Erfin- düng, ein Verfahren und eine zugehörige Vorrichtung zu schaf¬ fen, welche eine zuverlässige und preisgünstige Beimischung von Magnesium in den Verbrennungsprozeß unter Vermeidung der genann¬ ten Probleme ermöglichen. Insbesondere soll die Beimischung von im Wasser gelöstem Magnesiumsulfat in den Verbrennungsprozeß vanadiumhaltiger Brennstoffe erleichtert und verbilligt werden.Against this background, it is the object of the present invention to create a method and an associated device which enable a reliable and inexpensive admixture of magnesium in the combustion process while avoiding the aforementioned problems. In particular, the admixture of magnesium sulfate dissolved in the water in the combustion process of fuels containing vanadium should be made easier and cheaper.
Zur Lösung dieser Aufgabe wird ein Verfahren gemäß dem Kenn¬ zeichen des Anspruchs 1 bzw. eine Vorrichtung gemäß Anspruch 6 angegeben. Vorteilhafte Ausgestaltungen sind in den jeweils abhängigen Ansprüchen angegeben.To achieve this object, a method according to the characterizing part of claim 1 and a device according to claim 6 are specified. Advantageous refinements are specified in the respective dependent claims.
Das gesonderte Eindüsen einer in Wasser gelösten Magnesium- Verbindung zusammen mit dem Wasser in die Brennkammer ist ver¬ fahrenstechnisch wesentlich leichter zu beherrschen als das emulgiereπ einer in Wasser gelösten Magπesiumverbindung mit dem Brennstoff. Dadurch kann eine genaue Dosierung des einzu- bringenden Magnesiumanteils im Verhältnis zum Vanadiumanteil im Brennstoff problemlos bewerkstelligt werden. Die notwendi¬ gen Zusatzeinrichtungen am Brenner sind nicht besonders auf¬ wendig und haben sich im Zusammenhang mit der Reduzierung von NO im Abgas schon bewährt. Durch direktes Einsprühen der in Wasser gelösten Magnesiumverbindung in die Flamme wird prak¬ tisch der gleiche Effekt erzielt wie bei einer Eindusung zu¬ sammen mit dem Brennstoff. Als preisgünstige und leicht in Wasser lösbare Magnesiumverbindung kommt vorzugsweise Magnesiumsulfat in Betracht. Pro Gewichtsanteil Vanadium im Brennstoff sollten etwa drei Gewichtsanteile Magnesium zuge¬ führt werden. Dabei läßt sich die Konzentration der wasserlös¬ lichen Magnesiumverbindung im Wasser so einstellen, daß pro Volumenanteil Brennstoff etwa ein Zehntel Volumenanteil Wasser mit gelöster Magnesiumverbindung eingedüst werden muß. Dies stellt technisch kein Problem dar, weil bereits die Eindusung von wesentlich größeren Anteilen Wasser in anderem Zusammenhang gelöst ist.The separate injection of a magnesium solution dissolved in water In terms of process engineering, the connection together with the water into the combustion chamber is much easier to master than the emulsification of a magnesium compound dissolved in water with the fuel. As a result, an exact dosage of the magnesium content to be introduced in relation to the vanadium content in the fuel can be achieved without any problems. The necessary additional devices on the burner are not particularly complex and have already proven themselves in connection with the reduction of NO in the exhaust gas. By spraying the magnesium compound dissolved in water directly into the flame, the same effect is achieved as when spraying it together with the fuel. Magnesium sulfate is preferably an inexpensive magnesium compound which is easily soluble in water. About three parts by weight of magnesium should be added per part by weight of vanadium in the fuel. The concentration of the water-soluble magnesium compound in the water can be adjusted such that about one tenth of the volume of water with dissolved magnesium compound has to be injected per part by volume of fuel. From a technical point of view, this is not a problem because the injection of much larger amounts of water is already solved in another context.
Zur Erläuterung des ganzen Vorganges seien noch folgende Daten gegeben:The following data are given to explain the whole process:
Bei 20° C lösen sich 25,8 % , bei 0" C 20,9 % MgSO^ in Wasser. In der Brennerflamme läuft dann folgende Reaktion ab:At 20 ° C 25.8%, at 0 "C 20.9% MgSO ^ dissolve in water. The following reaction then takes place in the burner flame:
3 MgS04 + V205 -> Mg3 V2°8 + 3S03* Die Menge des durch das Sulfat zusätzlich eingeführten Schwe¬ fels fällt gegenüber derjenigen Schwefelmenge, die gewöhnlich im Brennstoff enthalten ist, nicht ins Gewicht. Auch ansonsten ergeben sich gegenüber der Beimischung einer öllöslichen Mag¬ nesium-Verbindung keine Nachteile für den Verbrennungsprozeß und die entstehenden Emissionen.3 MgS0 4 + V 2 0 5 -> M g 3 V 2 ° 8 + 3S0 3 * The amount of sulfur additionally introduced by the sulfate is insignificant compared to the amount of sulfur that is usually contained in the fuel. Otherwise there are no disadvantages for the combustion process and the resulting emissions compared to the addition of an oil-soluble magnesium compound.
Die benötigten Mengen seien anhand des folgenden Beispiels erläutert: Bei einem angenommenen, relativ hohen Vanadiumgehalt von 300 ppm im Brennstoff und einem Dosierverhältnis Magnesium zu Vanadium von 3 : 1 benötigt eine Gasturbine mit einem Brenn¬ stoffverbrauch von 10 kg/s etwa 160 kg MgSO./h. Wird eine 20%ige Lösung von MgSO^ in Wasser eingesetzt, was genügend weit von der Löslichkeitsgrenze entfernt ist, so beträgt die benötigte Lösungsmenge 800 kg bzw. 670 1 Lösung/h.The required quantities are explained using the following example: With an assumed, relatively high vanadium content of 300 ppm in the fuel and a metering ratio of magnesium to vanadium of 3: 1, a gas turbine with a fuel consumption of 10 kg / s requires approximately 160 kg MgSO./h. If a 20% solution of MgSO ^ in water is used, which is sufficiently far from the solubility limit, the amount of solution required is 800 kg or 670 1 solution / h.
Vorrichtungen zur Durchführung des Verfahrens sind in den An- Sprüchen 6, 7 und 8 angegeben. Demgemäß benötigen die an sich bekannten Brenner zur Durchführung des erfindungsgemäßen Ver¬ fahrens Zusatzvorrichtungen, nämlich mindestens einen zusätz¬ lichen Vorratsbehälter für eine in Wasser gelöste Magnesium¬ verbindung und eine Dosiereinrichtung, die die Einspeisung in die Brennkammer über Wasserdüsen ermöglicht.Devices for carrying out the method are specified in claims 6, 7 and 8. Accordingly, the burners known per se require additional devices for carrying out the method according to the invention, namely at least one additional storage container for a magnesium compound dissolved in water and a metering device which enables feeding into the combustion chamber via water nozzles.
Ein Ausführungsbeispiel der Erfindung ist schematisch in der Zeichnung dargestellt. Dabei wurde beispielhaft ein Brenner ge¬ wählt, wie er ausführlich in der EP-A-0 193 838 beschrieben ist. Auf Ausführungen zu den konstruktiven Einzelheiten des Brenners selbst wird hier verzichtet. Wichtig ist nur, daß der Brenner 1 Vorrichtungen zur Eindusung von Wasser 2 und/oder Dampf 3 aufweist. Nicht entscheidend ist, ob es sich um einen Vormischbrenner, einen Diffusionsbrenner oder einen sogenannten Hybridbrenner handelt. Erfindungsgemäß ist einem solchen Brenner mindestens ein Vorratsbehälter 4 zugeordnet, der über eine Do¬ siereinrichtung 5 mit den Eindüsungsvorrichtungen 2, 3 für Wasser und/oder Dampf in Verbindung steht.An embodiment of the invention is shown schematically in the drawing. A burner was selected as an example, as is described in detail in EP-A-0 193 838. There is no explanation of the structural details of the burner itself. It is only important that the burner 1 has devices for injecting water 2 and / or steam 3. It is not decisive whether it is a premix burner, a diffusion burner or a so-called hybrid burner. According to the invention, such a burner is assigned at least one storage container 4, which is connected via a metering device 5 to the injection devices 2, 3 for water and / or steam.
Die vorliegende Erfindung eignet sich besonders für Gasturbi¬ nenanlagen, in denen immer oder zeitweise vanadiumhaltiger Brennstoff verfeuert werden soll. The present invention is particularly suitable for gas turbine plants in which vanadium-containing fuel is to be burned always or temporarily.

Claims

Patentansprüche Claims
1. Verfahren zum Betrieb einer mit vanadiumhaltigem Brennstoff befeuerten Gasturbine, wobei die Gasturbine mindestens einen Brenner in einer Brennkammer aufweist und wobei in die Brenn¬ kammer als Zusatzstoff eine in Wasser gelöste Magnesiumverbin¬ dung zugeführt wird, d a d u r c h g e k e n n z e i c h¬ n e t, daß die in Wasser gelöste Magnesiumverbindung mit dem Wasser gesondert in die Brennkammer eingedüst wird.1. A method for operating a gas turbine fired with vanadium-containing fuel, the gas turbine having at least one burner in a combustion chamber and a magnesium compound dissolved in water being fed as an additive into the combustion chamber, characterized in that the dissolved in water Magnesium compound with the water is injected separately into the combustion chamber.
2. Verfahren nach Anspruch 1, d a d u r c h g e k e n n¬ z e i c h n e t, daß das Wasser mit der gelösten Magnesium- verbiπdung direkt in die Flamme des Brenners gesprüht wird.2. The method according to claim 1, so that the water with the dissolved magnesium compound is sprayed directly into the flame of the burner.
3. Verfahren nach Anspruch 1 oder 2, d a d u r c h g e¬ k e n n z e i c h n e t, daß die Magnesiumverbindung ein Mag¬ nesiumsalz ist, vorzugsweise Magnesiumsulfat (MgSO.).3. The method according to claim 1 or 2, that the magnesium compound is a magnesium salt, preferably magnesium sulfate (MgSO.).
4. Verfahren nach einem der vorhergehenden Ansprüche, d a d u r c h g e k e n n z e i c h n e t, daß in die4. The method according to any one of the preceding claims, d a d u r c h g e k e n n z e i c h n e t that in the
Brennkammer pro Gewichtsanteil Vanadium etwa 3 Gewichtsan¬ teile Magnesium zugeführt werden.Combustion chamber about 3 parts by weight of magnesium are added per part by weight of vanadium.
5. Verfahren nach einem der vorhergehenden Ansprüche, d a d u r c h g e k e n n z e i c h n e t, daß die Kon¬ zentration der wasserlöslichen Magnesiumverbindung im Wasser so eingestellt wird, daß pro Volumenanteil Brennstoff etwa ein Zehntel oder weniger Volumenanteil Wasser mit gelöster Magnesiumverbindung eingedost wird.5. The method according to any one of the preceding claims, that the concentration of the water-soluble magnesium compound in the water is adjusted such that about one tenth or less of the volume of water with the dissolved magnesium compound is injected per part by volume of fuel.
6. Vorrichtung zur Durchführung des Verfahrens nach einem der vorhergehenden Ansprüche mit einem für Wassereindüsung6. Device for performing the method according to one of the preceding claims with a for water injection
(2) und/oder Da pfeindüsung (3) in die Brennkammer ausgerüste¬ ten Brenner (1), d a d u r c h g e k e n n z e i c h n e t, daß mindestens ein zusätzlicher Vorratsbehälter für Wasser mit einer darin gelösten Magnesiumverbindung über eine Dosierein- richtuπg (5) mit der Wasser- oder Dampfeindüsungseinrichtung (2, 3) im Brenner (1) in Verbindung steht. (2) and / or nozzle injection (3) in the combustion chamber equipped burner (1), characterized in that at least one additional reservoir for water with a magnesium compound dissolved therein via a metering device (5) with the water or steam injection device (2, 3) in the burner (1) is connected.
7. Vorrichtung nach Anspruch 6, d a d u r c h g e k e n n¬ z e i c h n e t, daß der Vorratsbehälter (4) ein Fassungsver¬ mögen größer als 1 m hat.7. The device according to claim 6, so that the reservoir (4) has a capacity greater than 1 m.
8. Vorrichtung nach Anspruch 6 oder 7, d a d u r c h g e¬ k e n n z e i c h n e t, daß die Wasser- oder Dampfeindüsungs- einrichtung (2, 3) so dimensioniert ist, daß etwa ein Zehntel des pro Zeiteinheit zugeführten Brennstoffvolumens an Wasser mit gelöster Magnesiumverbindung eingedüst werden kann. 8. Apparatus according to claim 6 or 7, so that the water or steam injection device (2, 3) is dimensioned such that about a tenth of the fuel volume of water supplied per unit of time can be injected with dissolved magnesium compound.
EP89901457A 1988-03-10 1989-01-19 Process and device for operating a gas turbine with introduction of additives Expired - Lifetime EP0533652B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE3808016 1988-03-10
DE3808016 1988-03-10
PCT/DE1989/000026 WO1989008803A1 (en) 1988-03-10 1989-01-19 Process and device for operating a gas turbine with introduction of additives

Publications (2)

Publication Number Publication Date
EP0533652A1 true EP0533652A1 (en) 1993-03-31
EP0533652B1 EP0533652B1 (en) 1995-03-29

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Country Link
EP (1) EP0533652B1 (en)
JP (1) JP2977569B2 (en)
DE (1) DE58909147D1 (en)
IN (1) IN171209B (en)
WO (1) WO1989008803A1 (en)

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Also Published As

Publication number Publication date
DE58909147D1 (en) 1995-05-04
IN171209B (en) 1992-08-15
WO1989008803A1 (en) 1989-09-21
EP0533652B1 (en) 1995-03-29
JP2977569B2 (en) 1999-11-15
JPH03503303A (en) 1991-07-25

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