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Gas turbine

A technology of gas turbines and machines, applied in mechanical equipment, engine components, engine functions, etc., can solve problems such as insufficient separation of dirt

Active Publication Date: 2009-08-12
SIEMENS ENERGY GLOBAL GMBH CO & KG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This results in dirt separation which may not be sufficient

Method used

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  • Gas turbine

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Embodiment Construction

[0016] The drawing shows in detail a longitudinal section through the axial section of an axially flowable stationary gas turbine 10 between the outlet-side end of the compressor 12 and the turbine inlet. Of the compressor 12 of the gas turbine 10 , only the last compressor stage 14 is shown, with rotor blades 18 arranged on the rotor 16 and guide vanes arranged downstream in the air flow with respect to the air flowing through the compressor 14 20. Furthermore, a compressor diffuser 22 is provided downstream of the compressor guide vanes 20 , through which the pressurized air flowing from the end of the compressor 12 can flow into the hollow chamber 24 . The hollow chamber 24 , also called the combustor booster 26 or simply the booster, is located between the compressor 12 and the turbine 30 when viewed in the axial direction. Seen in the radial direction, the supercharger 26 is arranged between the outer housing 32 and the inner rotor 16 or shaft guard 34 . The shaft guard...

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Abstract

An improved system for removing particulates from the cooling air in a gas turbine engine (10) has a separating element (60) set axially opposite to the air inlet (20) from the compressor (12) and comprising a circular sleeve fitted to the turbine housing. The cooling airstreams are ducted into the cooling air inlets (54, 55) via a non direct path. Particulates are prevented from blocking the air inlets and are taken into the burn chambers.

Description

technical field [0001] The invention relates to a gas turbine according to the preamble of claim 1 . Background technique [0002] Gas turbines and the way they work are generally known. During operation of the gas turbine, cooling air with a cooling pressure level is required to cool the guide blades and rotor blades of the turbine, which cooling air is usually provided at the outlet of the gas turbine compressor or its diffuser and is thus taken up there. Although the pressurized air supplied by the compressor is pre-filtered in the suction housing upstream of the compressor, the filters arranged there are not sufficient to cool the cooling air flowing through the parts of the gas turbine subjected to hot gases as required. clean. Contamination particles carried by the compressor-end air are at risk at least for that part of the compressor-end air that is used as cooling air for turbine cooling. The risk is, in particular, that the cooling air holes required for impinge...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F01D5/18F01D25/32F01D5/08
CPCF01D25/32F01D5/081F01D9/023F05D2260/607F05B2260/63F01D9/065
Inventor 弗兰克·米尔德纳
Owner SIEMENS ENERGY GLOBAL GMBH CO & KG
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