WO2003033890A1 - Verfahren zur konditionierung eines verdichterluftstromes sowie vorrichtung zur durchführung des verfahrens - Google Patents
Verfahren zur konditionierung eines verdichterluftstromes sowie vorrichtung zur durchführung des verfahrens Download PDFInfo
- Publication number
- WO2003033890A1 WO2003033890A1 PCT/IB2002/004068 IB0204068W WO03033890A1 WO 2003033890 A1 WO2003033890 A1 WO 2003033890A1 IB 0204068 W IB0204068 W IB 0204068W WO 03033890 A1 WO03033890 A1 WO 03033890A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- stator
- stream
- water
- outlet
- axial compressor
- 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
- F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
- F02C7/12—Cooling of plants
- F02C7/14—Cooling of plants of fluids in the plant, e.g. lubricant or fuel
- F02C7/141—Cooling of plants of fluids in the plant, e.g. lubricant or fuel of working fluid
- F02C7/143—Cooling of plants of fluids in the plant, e.g. lubricant or fuel of working fluid before or between the compressor stages
- F02C7/1435—Cooling of plants of fluids in the plant, e.g. lubricant or fuel of working fluid before or between the compressor stages by water injection
-
- 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
- F05D2260/20—Heat transfer, e.g. cooling
- F05D2260/212—Heat transfer, e.g. cooling by water injection
-
- 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
- F05D2260/20—Heat transfer, e.g. cooling
- F05D2260/232—Heat transfer, e.g. cooling characterized by the cooling medium
Definitions
- the present invention relates to the field of gas turbine technology. It relates to a method for conditioning a compressor air flow according to the preamble of claim 1 and a device for carrying out the method.
- An axial compressor 1 as is shown schematically in the single figure, comprises a rotor 2 rotatable about an axis 9, a stator 3, and a plurality of blade rings, which are alternately made up of runner fastened to the rotor 2. blades 4 and fixed to the stator 3 guide vanes 5. For the sake of simplicity, only one blade of a blade ring is shown in the figure.
- the axial compressor 1 sucks in air at an inlet, which is compressed in the flow channel formed between the rotor 2 and the inner wall of the stator 3 and exits at an outlet 10 under increased pressure. If the axial compressor is part of a gas turbine system, the compressed air emerging at the outlet 10 is fed to a subsequent combustion chamber and used there for the combustion of a fuel. The resulting hot gases are then expanded in a subsequent gas turbine with work performed.
- the air stream sucked in at the inlet 11 can be divided into two streams, namely a main stream A, which flows in the middle of the flow channel, and an edge stream B, which flows along the inner wall of the stator 3. If air is now taken from an outlet 6 located between inlet 11 and outlet 10 for cooling purposes, this air essentially comes from the marginal stream B, while the main stream A is further compressed behind the outlet 6.
- the polytropic efficiency of the axial compressor 1 is not constant over the radial extent of the rotor and guide blades 4 and 5.
- the central air flow is compressed with a higher degree of efficiency than the current paths lying on the rotor 2 and on the inner wall of the stator 3.
- the (branched off) air removed at outlet 6 therefore has a significantly higher temperature than the air at location 7 in the central stream.
- the object is achieved by the entirety of the features of claims 1 and 4.
- the essence of the invention is to introduce water into the boundary stream between the inlet and the outlet, which water evaporates while the boundary stream is cooling. As a result, the marginal flow that is later used as cooling air is cooled in a simple manner, without the other functions of the compressor being influenced thereby.
- the water is introduced into the axial compressor such that it forms a thin film of water on the inner wall of the stator.
- the water is injected into the marginal stream through a plurality of nozzles distributed over the circumference of the stator.
- a preferred embodiment of the device according to the invention is characterized in that the means for introducing the water comprise a plurality of nozzles which are arranged distributed around the circumference of the stator.
- the invention will be explained in more detail below on the basis of exemplary embodiments in connection with the drawing.
- the single figure shows a schematic representation of a preferred embodiment of the axial compressor according to the invention.
- water H 2 O
- the water supplied via the nozzles 8 forms a thin water film on the inner wall of the stator 3 due to the air flow in the flow channel. This water film is in contact with the boundary stream B and evaporates while the boundary stream B is cooling. The cooled boundary stream B is then at the outlet 6 Cooling air is available for the subsequent gas turbine.
- the nozzles 8 are preferably arranged between adjacent rotor blades 4 and guide blades 5, so that the water film can form well.
- the cooling effect of the evaporating water film is at a maximum if the nozzles 8 are furthermore arranged in the flow direction just behind the inlet 11 of the axial compressor 1.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP02765281A EP1436491A1 (de) | 2001-10-17 | 2002-10-02 | Verfahren zur konditionierung eines verdichterluftstromes sowie vorrichtung zur durchführung des verfahrens |
US10/826,325 US20050141991A1 (en) | 2001-10-17 | 2004-04-19 | Method for conditioning a compressor airflow and device therefor |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH19092001 | 2001-10-17 | ||
CH1909/01 | 2001-10-17 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/826,325 Continuation US20050141991A1 (en) | 2001-10-17 | 2004-04-19 | Method for conditioning a compressor airflow and device therefor |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2003033890A1 true WO2003033890A1 (de) | 2003-04-24 |
Family
ID=4566747
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/IB2002/004068 WO2003033890A1 (de) | 2001-10-17 | 2002-10-02 | Verfahren zur konditionierung eines verdichterluftstromes sowie vorrichtung zur durchführung des verfahrens |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1436491A1 (de) |
CN (1) | CN1701168A (de) |
WO (1) | WO2003033890A1 (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6010348B2 (ja) * | 2012-06-01 | 2016-10-19 | 三菱日立パワーシステムズ株式会社 | 軸流圧縮機及びこれを備えたガスタービン |
CN113266533A (zh) * | 2021-06-02 | 2021-08-17 | 安徽三联学院 | 一种具有散热结构的风力发电机齿轮箱 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1007140A (fr) * | 1948-02-27 | 1952-05-02 | Rateau Soc | Perfectionnements aux turbo-moteurs |
DE4442936A1 (de) * | 1994-12-02 | 1996-06-05 | Abb Patent Gmbh | Gasturbine |
EP0903483A1 (de) * | 1997-09-17 | 1999-03-24 | Romabau AG | Verfahren und Vorrichtung zum Kühlen eines Gasstroms in einer Gasturbinenanlage |
WO2000008326A2 (en) * | 1998-07-24 | 2000-02-17 | General Electric Company | Methods and apparatus for water injection in a turbine engine |
DE19900026A1 (de) * | 1999-01-02 | 2000-07-06 | Asea Brown Boveri | Gasturbine mit Dampfeindüsung |
EP1167721A2 (de) * | 2000-06-05 | 2002-01-02 | ALSTOM Power N.V. | Verfahren zum Kühlen einer Gasturbinenanlage sowie Gasturbinenanlage zur Durchführung des Verfahrens |
-
2002
- 2002-10-02 EP EP02765281A patent/EP1436491A1/de not_active Withdrawn
- 2002-10-02 WO PCT/IB2002/004068 patent/WO2003033890A1/de not_active Application Discontinuation
- 2002-10-02 CN CN 02820762 patent/CN1701168A/zh active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1007140A (fr) * | 1948-02-27 | 1952-05-02 | Rateau Soc | Perfectionnements aux turbo-moteurs |
DE4442936A1 (de) * | 1994-12-02 | 1996-06-05 | Abb Patent Gmbh | Gasturbine |
EP0903483A1 (de) * | 1997-09-17 | 1999-03-24 | Romabau AG | Verfahren und Vorrichtung zum Kühlen eines Gasstroms in einer Gasturbinenanlage |
WO2000008326A2 (en) * | 1998-07-24 | 2000-02-17 | General Electric Company | Methods and apparatus for water injection in a turbine engine |
DE19900026A1 (de) * | 1999-01-02 | 2000-07-06 | Asea Brown Boveri | Gasturbine mit Dampfeindüsung |
EP1167721A2 (de) * | 2000-06-05 | 2002-01-02 | ALSTOM Power N.V. | Verfahren zum Kühlen einer Gasturbinenanlage sowie Gasturbinenanlage zur Durchführung des Verfahrens |
Also Published As
Publication number | Publication date |
---|---|
CN1701168A (zh) | 2005-11-23 |
EP1436491A1 (de) | 2004-07-14 |
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