CH249719A - Gas turbine plant. - Google Patents
Gas turbine plant.Info
- Publication number
- CH249719A CH249719A CH249719DA CH249719A CH 249719 A CH249719 A CH 249719A CH 249719D A CH249719D A CH 249719DA CH 249719 A CH249719 A CH 249719A
- Authority
- CH
- Switzerland
- Prior art keywords
- combustion
- gas
- gases
- turbine
- gas turbine
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C3/00—Gas-turbine plants characterised by the use of combustion products as the working fluid
- F02C3/32—Inducing air flow by fluid jet, e.g. ejector action
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C1/00—Gas-turbine plants characterised by the use of hot gases or unheated pressurised gases, as the working fluid
- F02C1/04—Gas-turbine plants characterised by the use of hot gases or unheated pressurised gases, as the working fluid the working fluid being heated indirectly
- F02C1/05—Gas-turbine plants characterised by the use of hot gases or unheated pressurised gases, as the working fluid the working fluid being heated indirectly characterised by the type or source of heat, e.g. using nuclear or solar energy
- F02C1/06—Gas-turbine plants characterised by the use of hot gases or unheated pressurised gases, as the working fluid the working fluid being heated indirectly characterised by the type or source of heat, e.g. using nuclear or solar energy using reheated exhaust gas
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2260/00—Function
- F05D2260/60—Fluid transfer
- F05D2260/601—Fluid transfer using an ejector or a jet pump
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- High Energy & Nuclear Physics (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Gas Burners (AREA)
Description
Gasturbinenanlage. Bei Gasturbinenanlagen ist es oft nötig, die durch den für die Verbrennung günstigen kleinen Luftubersehuss bedingte hohe Tempe ratur der Verbrennungsgase durch Zumischen eines Strömungsmittels herabzusetzen. Um die Beschickung des Brennraumes mit dem nöti gen Brennstoff einfach zu gestalten, soll fer ner der Druck in diesem meist ungefähr gleich dem Atmosphärendruck gehalten wer den. Dies ist vielfach wegen eines nachfol genden Strömungswiderstandes, z.
B. eines Wärmeaustauschers, nicht ohne weiteres möglich, wenn nicht .ein Ventilator angeord net wird, der diesen Widerstand überwindet. Der Nachteil dieser Anordnung besteht in der Notwendigkeit eines Ventilators, der vielfach wegen des heissen Strömungsmittels aus warmfestem Material hergestellt werden müsste.
Gegenstand vorliegender Erfindung ist eine Gasturbinenanlage, bei der die Sauer stoff enthaltenden Turbinenabgase zum Teil zur Verbrennung verwendet und zum Teil den Verhrennungsgasen nach erfolgter Verbrennung _ zugemischt werden. Ferner wird ein Teil der Verbrennungsgaswärme in einem Gaserhitzer an das verdichtete Arbeits mittel abgegeben. Erfindungsgemäss wird das zuzumischende Gas als Ansaugmittel für die Verbrennungsgase benützt, um den Druck im Brennraum unterhalb des Eintrittsdruckes in den Gaserhitzer halten zu können.
In den Fig. 1 und 2 ist eine beispielsweise Ausführung des vorliegenden Erfindungs gegenstandes schematisch dargestellt. Das als Arbeitsmittel dienende Gas wird vom Kompressor 1 angesaugt und verdichtet. Das im Wärmeaustauscher 2 erwärmte Gas strömt zur Turbine 3 und wird nacherfolgter Expansion durch das Rohr 4 dem Brennraum . 5 zugeführt. Bei 6 wird ein Teil des Sauer stoff enthaltenden Abgases abgezweigt, wobei die Menge durch den Schieber 9 ge regelt wird. Durch die Öffnungen 10 gelangt es unter den Rost 11 und von dort durch diesen in den Brennraum 5, in dem der Druck dem Atmosphärendruck entspricht.
Der grö ssere Teil der Turbinenabgase expandiert in der Düse 13, saugt durch die Ringfläche 7 die Verbrennungsgase an und mischt sich mit diesen im Mischraum 14. Im anschliessen den Diffusor 15 wird der zur Überwindung des Wärmeaustausoherwiderstandes nötige Druck erzeugt. Die Leitung 8 führt das Ge misch dem Wärmeaustauscher zu. Die Be schickung mit Brennstoff erfolgt durch die Öffnung 16, das Abschl.acken durch die Off- nun- 17.
Die Turbinenabgase können auch an mehreren Stellen hinter dem Brennraum den Verbrennungsgasen zugemischt werden. An jeder dieser Stellen können dann Mittel zum Ansaugen der Verbrennungsgase entsprechend vorstehendem Beispiel angeordnet sein.
Gas turbine plant. In gas turbine systems, it is often necessary to reduce the high temperature of the combustion gases caused by the small excess of air, which is favorable for combustion, by adding a fluid. In order to make the charging of the combustion chamber with the necessary fuel easy, the pressure in this should usually be kept approximately equal to atmospheric pressure. This is often because of a subsequent flow resistance, z.
B. a heat exchanger, not readily possible if not .ein angeord net is a fan that overcomes this resistance. The disadvantage of this arrangement is the need for a fan, which in many cases would have to be made of heat-resistant material because of the hot fluid.
The present invention relates to a gas turbine system in which the turbine exhaust gases containing oxygen are partly used for combustion and partly mixed with the combustion gases after combustion has taken place. Furthermore, part of the combustion gas heat is given off in a gas heater to the compressed working medium. According to the invention, the gas to be admixed is used as suction means for the combustion gases in order to be able to keep the pressure in the combustion chamber below the inlet pressure into the gas heater.
In Figs. 1 and 2, an example embodiment of the present invention subject is shown schematically. The gas used as the working medium is sucked in by the compressor 1 and compressed. The gas heated in the heat exchanger 2 flows to the turbine 3 and, after expansion, becomes the combustion chamber through the pipe 4. 5 supplied. At 6, part of the exhaust gas containing oxygen is branched off, the amount being regulated by the slide 9. It passes through the openings 10 under the grate 11 and from there through it into the combustion chamber 5, in which the pressure corresponds to atmospheric pressure.
The greater part of the turbine exhaust gases expands in the nozzle 13, sucks in the combustion gases through the annular surface 7 and mixes with them in the mixing chamber 14. The pressure required to overcome the heat exchange resistance is generated in the adjoining diffuser 15. Line 8 feeds the mixture to the heat exchanger. The loading with fuel takes place through the opening 16, the closing through the opening 17.
The turbine exhaust gases can also be mixed with the combustion gases at several points behind the combustion chamber. Means for sucking in the combustion gases according to the above example can then be arranged at each of these points.
Claims (1)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH249719T | 1946-05-06 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH249719A true CH249719A (en) | 1947-07-15 |
Family
ID=4467734
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH249719D CH249719A (en) | 1946-05-06 | 1946-05-06 | Gas turbine plant. |
Country Status (1)
Country | Link |
---|---|
CH (1) | CH249719A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2747731A1 (en) * | 1996-04-23 | 1997-10-24 | Martinez Michele | Operating turbine e.g. liquid or gas turbine at varying speeds and powers for driving tool or electricity production |
-
1946
- 1946-05-06 CH CH249719D patent/CH249719A/en unknown
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2747731A1 (en) * | 1996-04-23 | 1997-10-24 | Martinez Michele | Operating turbine e.g. liquid or gas turbine at varying speeds and powers for driving tool or electricity production |
WO1997040258A1 (en) * | 1996-04-23 | 1997-10-30 | Martinez Michele | Process for the rotational driving of a turbine by means of an ejector device |
US6146088A (en) * | 1996-04-23 | 2000-11-14 | Martinez; Michele | Process for the rotational driving of a turbine by means of an ejector device |
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