CN105089800A - Noise-reduction gas inlet system of gas turbine - Google Patents

Noise-reduction gas inlet system of gas turbine Download PDF

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Publication number
CN105089800A
CN105089800A CN201510529419.0A CN201510529419A CN105089800A CN 105089800 A CN105089800 A CN 105089800A CN 201510529419 A CN201510529419 A CN 201510529419A CN 105089800 A CN105089800 A CN 105089800A
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CN
China
Prior art keywords
noise
main body
gas turbine
air inlet
inlet main
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201510529419.0A
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Chinese (zh)
Inventor
党为民
刘厚军
史代军
陈华
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CHENGDU BOOST ENERGY TECHNOLOGY Co Ltd
Original Assignee
CHENGDU BOOST ENERGY TECHNOLOGY Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by CHENGDU BOOST ENERGY TECHNOLOGY Co Ltd filed Critical CHENGDU BOOST ENERGY TECHNOLOGY Co Ltd
Priority to CN201510529419.0A priority Critical patent/CN105089800A/en
Publication of CN105089800A publication Critical patent/CN105089800A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a noise-reduction gas inlet system of a gas turbine. The system solves the technical problem that the noise-reduction effect of an existing gas inlet system is not ideal. The gas inlet system comprises a gas inlet body of the tubular structure. A heat-preserving layer is arranged on the gas inlet body along the inner side and composed of a plurality of glass fiber layers and an aluminum foil layer. The gas inlet body comprises a gas inlet and a gas outlet. A plurality of silencing plates are arranged on the inner wall of the gas inlet body. Each silencing plate comprises an inner side plate and an outer side plate. A groove is formed in the surface, close to one side of the inner side plate, of the corresponding outer side plate. A plurality of layers of silencing rock wool are arranged in the grooves. Each inner side plate is provided with a hole opening area, and a plurality of silencing holes are distributed in the hole opening areas. The gas inlet system has the advantages of being simple in structure, low in noise and high in practicality.

Description

A kind of noise-reducing type gas turbine inlet air system
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 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 noise-reducing type gas turbine inlet air system is one of most important subsidiary engine of gas turbine.
Existing noise-reducing type gas turbine inlet air system purification drying effect is undesirable, and gas handling system ingress noise is large.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 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, 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 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, some layers of noise reduction rock wool are provided with in described groove, described side inner panel has opening area, multiple bloop is distributed with in opening area.
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 suction port is provided with some suction tude, described air inlet body interior is provided with multistage filter near suction port place, and 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; Absorbed by noise reduction rock wool after the bloop that the setting of acoustical panel makes noise pass on opening area, enhance the sound-deadening and noise-reducing effect of setting.
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 of Fig. 1 the present invention system;
Fig. 2 is the structural scheme of mechanism 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-dehumidifier, 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, 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, the present embodiment provides a kind of noise-reducing type gas turbine inlet air system, 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 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, some layers of noise reduction rock wool 4-3 are provided with in described groove 4-2.1, described side inner panel 4-1 is provided with opening area 4-1.1 with groove 4-2.1 corresponding part, multiple bloop 4-1.2 is distributed with in opening area 4-1.1.
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, thermal insulation layer 3 is made up of some glass fibre layer 3-1 and aluminium foil layer 3-2, this mechanism is arranged in rugged environment, this gas handling system is not subject to the impact of external environment, practical, absorbed by noise reduction rock wool after the bloop that the setting of acoustical panel makes noise pass on opening area, enhance the sound-deadening and noise-reducing effect of setting.
Embodiment 2
As shown in Figures 1 to 3, the present embodiment provides a kind of noise-reducing type gas turbine inlet air system, 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 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, some layers of noise reduction rock wool 4-3 are provided with in described groove 4-2.1, described side inner panel 4-1 is provided with opening area 4-1.1 with groove 4-2.1 corresponding part, multiple bloop 4-1.2 is distributed with in opening area 4-1.1.
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, the present embodiment provides a kind of noise-reducing type gas turbine inlet air system, 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 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, some layers of noise reduction rock wool 4-3 are provided with in described groove 4-2.1, described side inner panel 4-1 is provided with opening area 4-1.1 with groove 4-2.1 corresponding part, multiple bloop 4-1.2 is distributed with in opening area 4-1.1.
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, and 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. a noise-reducing type gas turbine inlet air system, 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 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, some layers of noise reduction rock wool (4-3) are provided with in described 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).
2. noise-reducing type gas turbine inlet air system according to claim 1, is characterized in that, described air inlet main body (1) is arranged on supporting frame (8).
3. noise-reducing type gas turbine inlet air system 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. noise-reducing type gas turbine inlet air system 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. noise-reducing type gas turbine inlet air system according to claim 1, it is characterized in that, 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 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. noise-reducing type gas turbine inlet air system 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. noise-reducing type gas turbine inlet air system according to claim 1, is characterized in that, in described air inlet main body (1), multistage filter (6) place is provided with dehumidifier (5).
CN201510529419.0A 2015-08-26 2015-08-26 Noise-reduction gas inlet system of gas turbine Pending CN105089800A (en)

Priority Applications (1)

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Application Number Priority Date Filing Date Title
CN201510529419.0A CN105089800A (en) 2015-08-26 2015-08-26 Noise-reduction gas inlet system of gas turbine

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105715375A (en) * 2016-03-30 2016-06-29 无锡美羊动力科技有限公司 Silencing diesel engine shell
CN110486169A (en) * 2019-09-17 2019-11-22 中国航发沈阳发动机研究所 A kind of acoustical panel and the sound lining with it

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN101689362A (en) * 2007-02-20 2010-03-31 法国空中巴士公司 Be used for the panel that sound insulation is handled
CN101998922A (en) * 2008-04-10 2011-03-30 空中巴士运作简易股份有限公司 Acoustic treatment panel with integral connecting reinforcement
US20140083798A1 (en) * 2011-06-01 2014-03-27 Aircelle Method for manufacturing a sound attenuation panel
CN203879632U (en) * 2014-05-08 2014-10-15 中国联合工程公司 Inlet gas rectifying device for large-size combustion gas turbine
CN205025598U (en) * 2015-08-26 2016-02-10 成都博世德能源科技股份有限公司 Type of making an uproar gas turbine air intake system falls

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101689362A (en) * 2007-02-20 2010-03-31 法国空中巴士公司 Be used for the panel that sound insulation is handled
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
CN101998922A (en) * 2008-04-10 2011-03-30 空中巴士运作简易股份有限公司 Acoustic treatment panel with integral connecting reinforcement
US20140083798A1 (en) * 2011-06-01 2014-03-27 Aircelle Method for manufacturing a sound attenuation panel
CN203879632U (en) * 2014-05-08 2014-10-15 中国联合工程公司 Inlet gas rectifying device for large-size combustion gas turbine
CN205025598U (en) * 2015-08-26 2016-02-10 成都博世德能源科技股份有限公司 Type of making an uproar gas turbine air intake system falls

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105715375A (en) * 2016-03-30 2016-06-29 无锡美羊动力科技有限公司 Silencing diesel engine shell
CN110486169A (en) * 2019-09-17 2019-11-22 中国航发沈阳发动机研究所 A kind of acoustical panel and the sound lining with it

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Application publication date: 20151125