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Gas turbine compressor water wash system

A technology for gas turbines and compressors, which is applied in gas turbine installations, machines/engines, liquid fuel engines, etc., and can solve problems such as parasitic losses in the operation of water washing systems

Inactive Publication Date: 2013-07-24
GENERAL ELECTRIC CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although such a water wash system improves overall compressor efficiency, operation of the water wash system also has parasitic losses

Method used

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  • Gas turbine compressor water wash system
  • Gas turbine compressor water wash system
  • Gas turbine compressor water wash system

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Embodiment Construction

[0015] Referring now to the drawings, wherein like reference numerals represent like elements throughout the several views, figure 1 A schematic diagram of a combined cycle system 10 is shown. The combined cycle system 10 may include a gas turbine engine 12 . Gas turbine engine 12 may include a compressor 14 . Compressor 14 compresses an incoming air stream 16 . Compressor 14 delivers compressed air stream 16 to combustor 18 . Combustor 18 mixes compressed air stream 16 with pressurized fuel stream 20 and ignites the mixture to produce combustion gas stream 22 . Although only one combustor 18 is shown, the gas turbine engine 12 may include any number of combustors 18 . The combustion gas stream 22 is then routed to a turbine 24 . Combustion gas flow 22 drives turbine 24 to produce mechanical work. The mechanical work generated in turbine 24 drives compressor 14 via shaft 26 and an external load 28 , such as a generator or the like. Gas turbine engine 12 may use natural ...

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Abstract

The present application provides a water wash system for use with a compressor of a gas turbine engine. The water wash system may include a number of spray nozzles in communication with the compressor, a heat recovery steam generator, a flow of heating water from the heat recovery steam generator, and a tap off line in communication with the flow of heating water and the spray nozzles so as to deliver the flow of heating water to the compressor.

Description

technical field [0001] The present invention relates to gas turbine engines, and more particularly to a gas turbine compressor water wash and cleaning system for combined cycle or simple cycle systems to reduce parasitic losses. Background technique [0002] In general, combined cycle power plants use a combination of gas turbines and steam turbines to generate electricity or otherwise drive loads. Specifically, a gas turbine cycle may be operatively combined with a steam turbine cycle via a heat recovery steam generator ("HRSG") or the like. The HRSG is a heat exchanger that allows the hot combustion gases passing through the gas turbine exhaust to heat the feed water for the steam generation process. The primary efficiency of a combined cycle plant is to utilize the otherwise "wasted" heat of the gas turbine engine. Specifically, the efficiency of the HRSG relates to the efficiency of heat transfer between the gas turbine combustion gases ("hot side") and feedwater and s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F04D29/70
CPCY02E20/16F01K23/10F02C6/18F04D29/701F01D25/002
Inventor R.萨哈L.默钱特V.R.阿卡纳
Owner GENERAL ELECTRIC CO