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Noise reduction type gas turbine gas intake system for low-temperature environment

A gas turbine and air intake system technology, which is applied in the directions of gas turbine devices, jet propulsion devices, mechanical equipment, etc., can solve the problems of icing, unsatisfactory purification and drying effect, and high inlet noise of the air intake system. To achieve the effect of simple structure, strong practicability and guaranteed purity

Inactive Publication Date: 2015-12-02
CHENGDU BOOST ENERGY TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The existing noise-reducing gas turbine intake system used in low-temperature environments has unsatisfactory purification and drying effects. The inlet noise of the intake system is large, and the air entering the system in low-temperature environments freezes and affects filtration efficiency. Freezing on the filter element or affecting compressed air Compressor Operating Characteristics Icing on Compressor Inlet Blades

Method used

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  • Noise reduction type gas turbine gas intake system for low-temperature environment
  • Noise reduction type gas turbine gas intake system for low-temperature environment
  • Noise reduction type gas turbine gas intake system for low-temperature environment

Examples

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Effect test

Embodiment 1

[0024] Such as Figures 1 to 3 As shown, a noise-reducing gas turbine intake system for low-temperature environments includes an intake body 1, the intake body 1 is a tubular structure, and the intake body 1 is provided with an insulation layer 3 along the inner wall. The insulation layer 3 is composed of several glass fiber layers 3-1 and aluminum foil layers 3-2. The air intake body 1 includes an air inlet 1-1 and an air outlet 1-2. The air inlet 1-1 is provided with There are several air intake pipes 7, and the interior of the air intake body 1 is provided with a multi-stage filter 6 near the air inlet 1-1, and the inner wall of the air intake body 1 is provided with a plurality of sound-absorbing plates 4, and the sound-absorbing plates 4 Including the inner board 4-1 and the outer board 4-2, the surface of the outer board 4-2 close to the inner board 4-1 is provided with a groove 4-2.1, and the groove 4-2.1 is provided with The sound-absorbing rock wool layer 4-3 and the...

Embodiment 2

[0030] Such as Figures 1 to 3 As shown, a noise-reducing gas turbine intake system for low-temperature environments includes an intake body 1, the intake body 1 is a tubular structure, and the intake body 1 is provided with an insulation layer 3 along the inner wall. The insulation layer 3 is composed of several glass fiber layers 3-1 and aluminum foil layers 3-2. The air intake body 1 includes an air inlet 1-1 and an air outlet 1-2. The air inlet 1-1 is provided with There are several air intake pipes 7, and the interior of the air intake body 1 is provided with a multi-stage filter 6 near the air inlet 1-1, and the inner wall of the air intake body 1 is provided with a plurality of sound-absorbing plates 4, and the sound-absorbing plates 4 Including the inner board 4-1 and the outer board 4-2, the surface of the outer board 4-2 close to the inner board 4-1 is provided with a groove 4-2.1, and the groove 4-2.1 is provided with The sound-absorbing rock wool layer 4-3 and the...

Embodiment 3

[0034] Such as Figures 1 to 3 As shown, a noise-reducing gas turbine intake system for low-temperature environments includes an intake body 1, the intake body 1 is a tubular structure, and the intake body 1 is provided with an insulation layer 3 along the inner wall. The insulation layer 3 is composed of several glass fiber layers 3-1 and aluminum foil layers 3-2. The air intake body 1 includes an air inlet 1-1 and an air outlet 1-2. The air inlet 1-1 is provided with There are several air intake pipes 7, and the interior of the air intake body 1 is provided with a multi-stage filter 6 near the air inlet 1-1, and the inner wall of the air intake body 1 is provided with a plurality of sound-absorbing plates 4, and the sound-absorbing plates 4 Including the inner board 4-1 and the outer board 4-2, the surface of the outer board 4-2 close to the inner board 4-1 is provided with a groove 4-2.1, and the groove 4-2.1 is provided with The sound-absorbing rock wool layer 4-3 and the...

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Abstract

The invention discloses a noise reduction type gas turbine gas intake system for a low-temperature environment, and solves the technical problems of weak noise reduction effect and easy equipment damage in the low-temperature environment in a traditional gas intake system. The system comprises a gas intake body, wherein the gas intake body is a pipe-shaped structure; an insulation layer is arranged on the inner wall of the gas intake body, and consists of multiple glass fiber layers and aluminum foil layers; the gas intake body comprises a gas inlet and a gas outlet; multiple gas intake pipes are arranged in the gas inlet; a multistage filter is arranged in the gas intake body near the gas inlet; multiple silencing plates are arranged on the inner wall of the gas intake body, and comprise inner side plates and outer side plates; grooves are formed in the surfaces, near one sides of the inner side plates, of the outer side plates; silencing rock wool layers and metal wire silencing layers are arranged in the grooves; and multiple heat gas sources are arranged in the gas intake body. The system has the advantages of simple structure, low noise and adaptation to the low-temperature environment.

Description

technical field [0001] The invention relates to the field of mechanical equipment, and more specifically relates to a noise-reducing gas turbine intake system used in a low-temperature environment. Background technique [0002] The gas turbine is driven by a continuous flow of gas as the working medium impeller It rotates at high speed and converts the energy of fuel into useful work. It is an internal combustion power machine that is a rotary impeller heat engine , in the main process of air and gas, the gas turbine cycle is mainly composed of three major components: the compressor, the combustion chamber and the gas turbine. [0003] The combustion air of the gas turbine must be purified and dried before it is introduced into the compressor. The noise-reducing gas turbine intake system for low-temperature environments is one of the most important auxiliary equipment for gas turbines. [0004] The existing noise-reducing gas turbine intake system used in low-temperature ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F02C7/055F02C7/045
Inventor 党为民刘厚军史代军陈华
Owner CHENGDU BOOST ENERGY TECH
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