CN105114185A - Noise reduction type gas turbine gas intake system for low-temperature environment - Google Patents

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

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Publication number
CN105114185A
CN105114185A CN201510529501.3A CN201510529501A CN105114185A CN 105114185 A CN105114185 A CN 105114185A CN 201510529501 A CN201510529501 A CN 201510529501A CN 105114185 A CN105114185 A CN 105114185A
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CN
China
Prior art keywords
main body
temperature environment
air inlet
noise
layer
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Pending
Application number
CN201510529501.3A
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Chinese (zh)
Inventor
党为民
刘厚军
史代军
陈华
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CHENGDU BOOST ENERGY TECHNOLOGY Co Ltd
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CHENGDU BOOST ENERGY TECHNOLOGY Co Ltd
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Priority to CN201510529501.3A priority Critical patent/CN105114185A/en
Publication of CN105114185A publication Critical patent/CN105114185A/en
Pending legal-status Critical Current

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  • Thermal Insulation (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

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

A kind of noise-reducing type gas turbine inlet air system for low temperature environment
Technical field
The present invention relates to technical field of mechanical equipment, relate to a kind of noise-reducing type gas turbine inlet air system for low temperature environment more specifically.
Background technique
Gas turbine is for working medium drives with the gas of continuous-flow impellerhigh Rotation Speed, being the internal combustion type dynamic power machine of useful work by the energy conversion of fuel, is a kind of rotary vane type heat engine, in the main flow of air and combustion gas, primarily of this three large parts composition gas turbine cycle of gas compressor, firing chamber and combustion gas turbine.
The combustion air of gas turbine must carry out the process such as purified treatment, dry process before being introduced into gas compressor, and the noise-reducing type gas turbine inlet air system for low temperature environment is one of most important subsidiary engine of gas turbine.
The existing noise-reducing type gas turbine inlet air system purification drying effect for low temperature environment is undesirable, gas handling system ingress noise is large, and the air entering system at low temperature environment occurs freezing and affects filter efficiency and to freeze on filter core or affect gas compressor performance characteristic icing on compressor inlet blade.
How to solve above technical problem and become the striving direction of those skilled in the art.
Summary of the invention
The present invention in order to overcome above-mentioned technical deficiency, design a kind of structure simple, can increase work efficiency, ensure product first in first out, the noise-reducing type gas turbine inlet air system for low temperature environment of sesame moisture content can be controlled.
The present invention to achieve these goals concrete by the following technical solutions:
A kind of noise-reducing type gas turbine inlet air system for low temperature environment, comprise air inlet main body, described air inlet main body is tubular structure, air inlet main body is provided with thermal insulation layer along inwall, described thermal insulation layer is made up of some glass fibre layers and aluminium foil layer, described air inlet main body comprises suction port and air outlet, described suction port is provided with some suction tude, described air inlet body interior is provided with multistage filter near suction port place, described air inlet main body inner wall is provided with polylith acoustical panel, acoustical panel comprises side inner panel and outer panel, described outer panel is provided with groove on the surface of side inner panel side, described groove is provided with noise reduction rock wool layer and wire noise reduction layer, noise reduction rock wool layer is arranged on bottom portion of groove, described side inner panel has opening area, multiple bloop is distributed with in opening area, multiple hot gas source is furnished with in described air inlet main body.
Further, described glass fibre layer and each 10 layers of aluminium foil layer, glass fibre layer and aluminium foil layer are overlapping, and adjacent two layers aluminium foil layer does not contact.
Further, the thickness of described glass fibre layer is 0.1 ~ 35mm, and the thickness of described aluminium foil layer is 0.2 ~ 0.4mm.
Further, described multistage filter comprises the one-level filter core, secondary filter core and the three grades of filter cores that inwardly set gradually from suction port.
Further, the filtering hole aperture of described one-level filter core is greater than the filtering hole aperture of described three grades of filter cores; The filtering hole aperture of described secondary filter core is between described one-level filter core and the filtering hole aperture of described three grades of filter cores.
Further, in described air inlet main body, multistage filter place is provided with dehumidifier.
Beneficial effect of the present invention is as follows:
Structure of the present invention is simple, and air inlet main body is provided with thermal insulation layer along inwall, and thermal insulation layer is made up of some glass fibre layers and aluminium foil layer, and this mechanism is arranged in rugged environment, and this gas handling system is not subject to the impact of external environment, practical; After the bloop that the setting of acoustical panel makes noise pass on opening area, wire noise reduction layer can play vibration weakening effect to sound wave, and inner noise reduction rock wool layer can minimize the sound wave after weakening, thus reaches overall every erasure effect.
Multiple hot gas sources in air inlet main body, hot gas source is arranged in gas handling system, this thermal source be arranged on the lower operating mode of external temperature under, effectively can prevent the air of the system of entering from occurring freezing and affecting filter efficiency (freezing on filter core) or affect gas compressor performance characteristic (freezing on compressor inlet blade), have good prospect at low temperature environment.
Filter adopts multistage filtering both to ensure that the degree of purity entering gas in gas turbine, protects multi-stage filter core again simultaneously.Extend the working life of filter.
Accompanying drawing explanation
The structural representation of a kind of noise-reducing type gas turbine inlet air system for low temperature environment of Fig. 1 the present invention;
Fig. 2 is the structural representation of acoustical panel;
Fig. 3 heat insulation layer structure schematic diagram;
Reference character: 1-air inlet main body, 1-1-suction port, 1-2-air outlet, 2-hot gas source, 3-thermal insulation layer, 3-1-glass fibre layer, 3-2-aluminium foil layer, 4-acoustical panel, 4-1-side inner panel, 4-1.1-opening area, 4-1.2-bloop, 4-2-outer panel, 4-2.1-groove, 4-3-noise reduction rock wool, 4-4-, 5-dehumidifier, 6-multistage filter, 6-1-one-level filter core, 6-2-secondary filter core, 6-3-tri-grades of filter cores, 7-suction tude, 8-supporting frame.
Embodiment
In order to those skilled in the art person better understands the present invention, below in conjunction with accompanying drawing, embodiment is described in further detail the present invention.
Embodiment 1
As shown in Figures 1 to 3, a kind of noise-reducing type gas turbine inlet air system for low temperature environment, comprise air inlet main body 1, described air inlet main body 1 is tubular structure, air inlet main body 1 is provided with thermal insulation layer 3 along inwall, described thermal insulation layer 3 is made up of some glass fibre layer 3-1 and aluminium foil layer 3-2, described air inlet main body 1 comprises suction port 1-1 and air outlet 1-2, described suction port 1-1 is provided with some suction tude 7, described air inlet main body 1 is inner is provided with multistage filter 6 near suction port 1-1 place, described air inlet main body 1 inwall is provided with polylith acoustical panel 4, acoustical panel 4 comprises side inner panel 4-1 and outer panel 4-2, described outer panel 4-2 is provided with groove 4-2.1 on the surface of side inner panel 4-1 side, described groove 4-2.1 is provided with noise reduction rock wool layer 4-3 and wire noise reduction layer 4-4, noise reduction rock wool layer 4-3 is arranged on bottom groove 4-2.1, described side inner panel 4-1 has opening area 4-1.1, multiple bloop 4-1.2 is distributed with in opening area 4-1.1, multiple hot gas source 2 is furnished with in described air inlet main body 1.
Described air inlet main body 1 is arranged on supporting frame 8.
In the present embodiment, air inlet main body 1 is provided with thermal insulation layer 3 along inwall, and thermal insulation layer 3 is made up of some glass fibre layer 3-1 and aluminium foil layer 3-2, and this mechanism is arranged in rugged environment, and this gas handling system is not subject to the impact of external environment, practical;
After the bloop 4-1.2 that the setting of acoustical panel 4 makes noise pass on opening area 4-1.1, wire noise reduction layer 4-4 can play vibration weakening effect to sound wave, and inner noise reduction rock wool layer 4-3 can minimize the sound wave after weakening, thus reach overall every erasure effect.
Multiple hot gas sources 2 in air inlet main body 1, hot gas source 1 is arranged in gas handling system, this thermal source 1 be arranged on the lower operating mode of external temperature under, effectively can prevent the air of the system of entering from occurring freezing and affecting filter efficiency (freezing on filter core) or affect gas compressor performance characteristic (freezing on compressor inlet blade), have good prospect at low temperature environment.
Embodiment 2
As shown in Figures 1 to 3, a kind of noise-reducing type gas turbine inlet air system for low temperature environment, comprise air inlet main body 1, described air inlet main body 1 is tubular structure, air inlet main body 1 is provided with thermal insulation layer 3 along inwall, described thermal insulation layer 3 is made up of some glass fibre layer 3-1 and aluminium foil layer 3-2, described air inlet main body 1 comprises suction port 1-1 and air outlet 1-2, described suction port 1-1 is provided with some suction tude 7, described air inlet main body 1 is inner is provided with multistage filter 6 near suction port 1-1 place, described air inlet main body 1 inwall is provided with polylith acoustical panel 4, acoustical panel 4 comprises side inner panel 4-1 and outer panel 4-2, described outer panel 4-2 is provided with groove 4-2.1 on the surface of side inner panel 4-1 side, described groove 4-2.1 is provided with noise reduction rock wool layer 4-3 and wire noise reduction layer 4-4, noise reduction rock wool layer 4-3 is arranged on bottom groove 4-2.1, described side inner panel 4-1 has opening area 4-1.1, multiple bloop 4-1.2 is distributed with in opening area 4-1.1, multiple hot gas source 2 is furnished with in described air inlet main body 1.
Each 10 layers of described glass fibre layer 3-1 and aluminium foil layer 3-2, glass fibre layer 3-1 and aluminium foil layer 3-2 is overlapping, and adjacent two layers aluminium foil layer 3-2 does not contact.
The thickness of described glass fibre layer 3-1 is 0.1 ~ 35mm, and the thickness of described aluminium foil layer 3-2 is 0.2 ~ 0.4mm.
Embodiment 3
As shown in Figures 1 to 3, a kind of noise-reducing type gas turbine inlet air system for low temperature environment, comprise air inlet main body 1, described air inlet main body 1 is tubular structure, air inlet main body 1 is provided with thermal insulation layer 3 along inwall, described thermal insulation layer 3 is made up of some glass fibre layer 3-1 and aluminium foil layer 3-2, described air inlet main body 1 comprises suction port 1-1 and air outlet 1-2, described suction port 1-1 is provided with some suction tude 7, described air inlet main body 1 is inner is provided with multistage filter 6 near suction port 1-1 place, described air inlet main body 1 inwall is provided with polylith acoustical panel 4, acoustical panel 4 comprises side inner panel 4-1 and outer panel 4-2, described outer panel 4-2 is provided with groove 4-2.1 on the surface of side inner panel 4-1 side, described groove 4-2.1 is provided with noise reduction rock wool layer 4-3 and wire noise reduction layer 4-4, noise reduction rock wool layer 4-3 is arranged on bottom groove 4-2.1, described side inner panel 4-1 has opening area 4-1.1, multiple bloop 4-1.2 is distributed with in opening area 4-1.1, multiple hot gas source 2 is furnished with in described air inlet main body 1.
Described multistage filter 6 comprises one-level filter core 6-1, secondary filter core 6-2 and the three grade filter core 6-3 inwardly set gradually from suction port 1-1.
The filtering hole aperture of described one-level filter core 6-1 is greater than the filtering hole aperture of described three grades of filter core 6-3; The filtering hole aperture of described secondary filter core 6-2 is between described one-level filter core 6-1 and the filtering hole aperture of described three grades of filter core 6-3.
In described air inlet main body 1, multistage filter 6 place is provided with dehumidifier 5.
In the present embodiment, gas, after one-level filter core 6-1, secondary filter core 6-2 and the three grade filter core 6-3 of multistage filter 6, both ensure that the degree of purity entering gas in gas turbine, protected multi-stage filter core again simultaneously, extended the working life of filter.
The above; be only preferred embodiment of the present invention, not in order to limit the present invention, scope of patent protection of the present invention is as the criterion with claims; the equivalent structure change that every utilization specification of the present invention and accompanying drawing content are done, in like manner all should be included in protection scope of the present invention.

Claims (7)

1. the noise-reducing type gas turbine inlet air system for low temperature environment, comprise air inlet main body (1), it is characterized in that, described air inlet main body (1) is tubular structure, air inlet main body (1) is provided with thermal insulation layer (3) along inwall, described thermal insulation layer (3) is made up of some glass fibre layers (3-1) and aluminium foil layer (3-2), described air inlet main body (1) comprises suction port (1-1) and air outlet (1-2), described suction port (1-1) is provided with some suction tude (7), described air inlet main body (1) is inner is provided with multistage filter (6) near suction port (1-1) place, described air inlet main body (1) inwall is provided with polylith acoustical panel (4), acoustical panel (4) comprises side inner panel (4-1) and outer panel (4-2), described outer panel (4-2) is provided with groove (4-2.1) on the surface of side inner panel (4-1) side, described groove (4-2.1) is provided with noise reduction rock wool layer (4-3) and wire noise reduction layer (4-4), noise reduction rock wool layer (4-3) is arranged on groove (4-2.1) bottom, described side inner panel (4-1) has opening area (4-1.1), multiple bloop (4-1.2) is distributed with in opening area (4-1.1), multiple hot gas source (2) is furnished with in described air inlet main body (1).
2. the noise-reducing type gas turbine inlet air system for low temperature environment according to claim 1, is characterized in that, described air inlet main body (1) is arranged on supporting frame (8).
3. the noise-reducing type gas turbine inlet air system for low temperature environment according to claim 1, it is characterized in that, described glass fibre layer (3-1) and each 10 layers of aluminium foil layer (3-2), glass fibre layer (3-1) and aluminium foil layer (3-2) are overlapping, and adjacent two layers aluminium foil layer 3-2 does not contact.
4. the noise-reducing type gas turbine inlet air system for low temperature environment according to claim 3, is characterized in that, the thickness of described glass fibre layer (3-1) is 0.1 ~ 35mm, and the thickness of described aluminium foil layer (3-2) is 0.2 ~ 0.4mm.
5. the noise-reducing type gas turbine inlet air system for low temperature environment according to claim 1, it is characterized in that, described multistage filter (6) comprise inwardly set gradually from suction port (1-1) one-level filter core (6-1), secondary filter core (6-2) and three grades of filter cores (6-3).
6. the noise-reducing type gas turbine inlet air system for low temperature environment according to claim 5, is characterized in that, the filtering hole aperture of described one-level filter core (6-1) is greater than the filtering hole aperture of described three grades of filter cores (6-3); The filtering hole aperture of described secondary filter core (6-2) is between described one-level filter core (6-1) and the filtering hole aperture of described three grades of filter cores (6-3).
7. the noise-reducing type gas turbine inlet air system for low temperature environment according to claim 1, is characterized in that, in described air inlet main body (1), multistage filter (6) place is provided with dehumidifier (5).
CN201510529501.3A 2015-08-26 2015-08-26 Noise reduction type gas turbine gas intake system for low-temperature environment Pending CN105114185A (en)

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Application Number Priority Date Filing Date Title
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105737228A (en) * 2016-04-29 2016-07-06 合肥旺来建节能科技有限公司 Commercial low-noise adsorption type range hood
CN112302796A (en) * 2020-11-12 2021-02-02 无锡华南钢结构环保有限公司 Air intake system muffler skeleton and mount pad for combustion engine

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CN201526096U (en) * 2009-08-11 2010-07-14 陈猛 Compound type decorative muffler plate
US20140017068A1 (en) * 2012-07-12 2014-01-16 General Electric Company Turbine Inlet Air Filter System with Elbow Access Gate
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003029629A1 (en) * 2001-10-01 2003-04-10 Camfil Ab Arrangement at gas turbine
CN101675226A (en) * 2007-04-30 2010-03-17 法国空中巴士公司 The acoustical panel that the noise reduction characteristic is variable
CN201526096U (en) * 2009-08-11 2010-07-14 陈猛 Compound type decorative muffler plate
US20140017068A1 (en) * 2012-07-12 2014-01-16 General Electric Company Turbine Inlet Air Filter System with Elbow Access Gate
CN205025611U (en) * 2015-08-26 2016-02-10 成都博世德能源科技股份有限公司 A type of making an uproar gas turbine air intake system falls for low temperature environment

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105737228A (en) * 2016-04-29 2016-07-06 合肥旺来建节能科技有限公司 Commercial low-noise adsorption type range hood
CN112302796A (en) * 2020-11-12 2021-02-02 无锡华南钢结构环保有限公司 Air intake system muffler skeleton and mount pad for combustion engine
CN112302796B (en) * 2020-11-12 2023-03-24 无锡华南钢结构环保有限公司 Air intake system muffler skeleton and mount pad for combustion engine

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Application publication date: 20151202

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