Combined water-wash and wet-compression system for a gas turbine compressor and related method
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
F02C-003/30
F02C-007/30
F02C-007/00
출원번호
US-0703577
(2000-11-01)
발명자
/ 주소
Trewin, Richard Robert
Carberg, William George
출원인 / 주소
General Electric Company
대리인 / 주소
Nixon & Vanderhye P.C.
인용정보
피인용 횟수 :
37인용 특허 :
15
초록▼
A combined water-wash and wet-compression system for a gas turbine includes a compressor having an inlet defining a flow direction; and a plurality of manifolds arranged in proximity to the inlet and arranged transversely of the flow direction; a plurality of dual-function nozzles connected to the m
A combined water-wash and wet-compression system for a gas turbine includes a compressor having an inlet defining a flow direction; and a plurality of manifolds arranged in proximity to the inlet and arranged transversely of the flow direction; a plurality of dual-function nozzles connected to the manifolds. Each dual-function nozzle is adapted to supply, selectively, either relatively small droplets for introduction into the compressor for intercooling, or relatively large droplets for impingement on components of the compressor for cleaning the components. A method of introducing a liquid into a compressor inlet for providing water wash for cleaning components of the compressor, and for providing wet compression for intercooling is also disclosed.
대표청구항▼
1. A combined water-wash and wet-compression system for a gas turbine system comprising: a compressor having an inlet defining a flow direction; a plurality of annular arrays of dual-function twin fluid atomizer nozzles, each array having a water manifold and an air manifold for supplying water
1. A combined water-wash and wet-compression system for a gas turbine system comprising: a compressor having an inlet defining a flow direction; a plurality of annular arrays of dual-function twin fluid atomizer nozzles, each array having a water manifold and an air manifold for supplying water and air, respectively, to the dual-function nozzles in the respective array, each dual-function nozzle adapted to selectively produce for introduction into the compressor in a non-atomizing mode, droplets sufficiently large to impinge on components of the compressor and thereby clean said components, and, in an atomizing mode, droplets sufficiently small to bypass said components and thereby intercool said compressor. 2. The system of claim 1 wherein said plurality of dual-function nozzles includes at least two annular arrays of said dual-function nozzles arranged to direct flow in said flow direction. 3. The system of claim 2 including a third array of dual-function nozzles arranged to direct flow in a direction opposite said flow direction. 4. A combined water-wash and wet-compression system for a gas turbine system comprising: a compressor having an inlet defining a flow direction; a plurality of arrays of dual-function nozzles, each array having a water manifold for supplying water to the dual-function nozzles in the respective array, each dual-function nozzle comprising an ultrasonic transducer adapted to selectively produce for introduction into the compressor in a non-atomizing mode, droplets sufficiently large to impinge on components of the compressor and thereby clean said components, and, in an atomizing mode, droplets sufficiently small to bypass said components and thereby intercool said compressor. 5. A gas turbine system comprising a compressor, a turbine, a generator, and a combined water-wash and wet-compression system for the compressor, said combined water-wash and wet-compression comprising: an inlet for the compressor, said inlet defining a flow direction; a plurality of annular arrays of dual-function nozzles, each array connected to a water manifold and an air manifold for supplying water and air, respectively, to the dual-function nozzles in the respective array, each dual-function nozzle adapted to selectively produce for introduction into the compressor in a non-atomizing mode, droplets sufficiently large to impinge on components of the compressor and thereby clean said components, and, in an atomizing mode, droplets sufficiently small to bypass said components and thereby intercool said compressor. 6. The system of claim 5 wherein said dual-function nozzles each comprise a mechanical twin-fluid atomizer. 7. The system of claim 5 wherein one of said arrays of dual-function nozzles is arranged to direct flow in a direction opposite said flow direction. 8. A method of introducing a liquid into a compressor inlet for providing water wash for cleaning components of the compressor, and for providing wet compression for intercooling the compressor, the method comprising: a) providing plural annular arrays of dual-function nozzles capable of supplying both large and small droplets of the liquid to the inlet of the compressor; b) operating said plural annular arrays of dual-function nozzles in a first mode where the droplets of liquid are sufficiently large to impinge on the components of the compressor in a cleaning function; and c) operating said plural annular arrays of nozzles in a second mode where the droplets are sufficiently small to flow past the components of the compressor and into later stages of the compressor where the droplets evaporate for intercooling. 9. The method of claim 8 wherein said dual-function nozzles each comprise a mechanical twin-fluid nozzle. 10. The system of claim 8 wherein said dual-function nozzles each comprise an ultrasonic atomizer.
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