CN218542413U - Sound insulation device for gas turbine exhaust diffusion section of gas power plant - Google Patents
Sound insulation device for gas turbine exhaust diffusion section of gas power plant Download PDFInfo
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- CN218542413U CN218542413U CN202223178195.8U CN202223178195U CN218542413U CN 218542413 U CN218542413 U CN 218542413U CN 202223178195 U CN202223178195 U CN 202223178195U CN 218542413 U CN218542413 U CN 218542413U
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Abstract
The application discloses a sound arrester for gas power plant's combustion engine exhaust diffuser, it includes plant ontology and intercommunication connection diffusion tube on plant ontology, still locates the sound-proof housing outside the diffusion tube including the cover, sound-proof housing length direction's one end with plant ontology connects, be provided with the acoustic celotex board in the sound-proof housing, the acoustic celotex board set up in the diffusion tube with between the sound-proof housing, the acoustic celotex board about the lateral wall parallel arrangement of diffusion tube, be provided with radiator unit on the sound-proof housing. The application has the effect of reducing the noise of the exhaust diffusion section of the gas turbine.
Description
Technical Field
The application relates to the technical field of noise treatment, in particular to a sound insulation device for an exhaust diffusion section of a gas turbine of a gas power plant.
Background
With the rapid development of the modern society, people increasingly demand high-efficiency and low-pollution gas power plants, and the high-efficiency and low-pollution gas power plants gradually replace the traditional coal-fired power plants. Compared with the traditional coal-fired power plant, the gas power plant can utilize energy more effectively and fully, and the environmental pollution caused by the utilization of the energy is lower than the intensity of the coal-fired power plant.
At present, noise generated in an exhaust diffusion section of a gas turbine of a gas power plant has the characteristics of high noise level and low frequency. The common noise treatment method is to install a sound insulation layer on the outer part of the exhaust diffusion section to achieve the purpose of noise reduction.
In view of the above related technologies, the inventor believes that, in the process of using the exhaust diffusion section of the gas power plant, since the diffusion section generates low-frequency high-intensity noise during exhaust treatment, a single-layer sound insulation layer has a poor sound insulation effect on the diffusion section, and causes noise pollution to a working environment.
SUMMERY OF THE UTILITY MODEL
In order to reduce the noise of the exhaust diffusion section of the gas turbine, the sound insulation device for the exhaust diffusion section of the gas turbine of the gas power plant is provided.
The application provides a sound arrester for gas power plant's combustion engine exhaust diffuser adopts following technical scheme:
the utility model provides a sound arrester for gas power plant's combustion engine exhaust diffuser, includes that factory building body and intercommunication connect the diffusion tube on factory building body, still locates the sound-proof housing outside the diffusion tube including the cover, sound-proof housing length direction's one end with this body coupling of factory building, be provided with the acoustic celotex board in the sound-proof housing, the acoustic celotex board set up in the diffusion tube with between the sound-proof housing, the acoustic celotex board about the lateral wall parallel arrangement of diffusion tube, be provided with radiator unit on the sound-proof housing.
Through adopting above-mentioned technical scheme, the diffuser is at the exhaust in-process, and the sound-proof housing gives sound insulation to it, and it absorbs to establish the noise that the acoustic celotex board produced in the diffuser, and radiator unit has reduced the temperature of diffuser. Through mutual cooperation of sound-proof housing, acoustic celotex board and radiator unit, realized making an uproar and cooling to falling of diffusion tube, had the effect that reduces combustion engine exhaust diffusion zone noise.
Optionally, a plurality of sound absorbing holes are formed in one side, facing the diffusion pipe, of the sound insulation board, and a gap is reserved between the sound insulation board and the inner wall of the sound insulation cover.
Through adopting above-mentioned technical scheme, the intensity of noise has further been reduced in the setting of sound absorbing hole, because directly be connected between acoustic celotex board and the sound-proof housing, consequently reduced the solid conduction between the two, help the propagation of noise reduction.
Optionally, a cushioning spring is arranged between the sound insulation board and the inner wall of the sound insulation cover, one end of the cushioning spring is connected with the inner wall of the sound insulation cover, and the other end of the cushioning spring is connected with the sound insulation board.
Through adopting above-mentioned technical scheme, when the acoustic celotex board vibrates under the noise effect, the bradyseism spring carries out the bradyseism to the acoustic celotex board, helps reducing the vibration range of acoustic celotex board in the sound-proof housing.
Optionally, radiator unit includes radiator fan, connecting pipe and goes out the tuber pipe, radiator fan connect in on the sound-proof housing, the connecting pipe with radiator fan intercommunication is connected, the connecting pipe runs through the sound-proof housing and stretches into the acoustic celotex board with between the diffusion tube, it is in to go out the tuber pipe the intercommunication is provided with a plurality of on the connecting pipe, it sets up towards the direction of diffusion tube to go out the tuber pipe.
Through adopting above-mentioned technical scheme, it generates heat to be the diffusion tube at the exhaust, in order to prevent that the environment is overheated, radiator fan starts, and cold wind carries out the heat transfer cooling to the diffusion tube on through connecting pipe and play tuber pipe blow to the diffusion tube.
Optionally, be provided with the exhaust pipe on the sound-proof housing, the one end of exhaust pipe runs through in proper order the sound-proof housing and the acoustic celotex board.
Through adopting above-mentioned technical scheme, the air current of heat transfer through the cooling in the sound-proof housing is discharged through the exhaust pipe, helps the heat dissipation of sound-proof housing.
Optionally, a corrugated plate is arranged on the inner wall of the exhaust pipe.
Through adopting above-mentioned technical scheme, the buckled plate absorbs the noise in to the exhaust pipe, has further reduced the intensity of noise.
Optionally, the sound-proof housing with the clearance of factory building body and the sound-proof housing with all be provided with the sealing strip in the clearance of diffuser pipe.
Through adopting above-mentioned technical scheme, the setting of sealing strip has reduced the clearance between sound-proof housing and diffusion tube and the factory building body, helps hindering the propagation of noise.
Optionally, sound-absorbing cotton is arranged on the inner wall of the sound-proof shield.
Through adopting above-mentioned technical scheme, inhale the sound cotton and absorb the noise in the sound-proof housing, further reduce the intensity of noise.
In summary, the present application includes at least one of the following beneficial technical effects:
1. through the mutual matching of the sound-proof cover, the sound-proof plate and the heat dissipation assembly, the noise reduction and cooling of the diffusion pipe are realized, and the effect of reducing the noise of the exhaust diffusion section of the gas turbine is achieved;
2. the arrangement of the sealing strips reduces gaps among the sound-proof cover, the diffusion pipes and the plant body, and is beneficial to blocking the propagation of noise;
3. the cushioning spring cushions the baffle, helping to reduce the vibration amplitude of the baffle in the sound enclosure.
Drawings
FIG. 1 is a schematic structural diagram of a sound insulation device for an exhaust diffusion section of a gas turbine of a gas power plant according to an embodiment of the application.
Fig. 2 is a sectional view for embodying the internal structure of the soundproof cover in the embodiment of the present application.
Fig. 3 is a sectional view for showing the internal structure of the exhaust duct in the embodiment of the present application.
Description of reference numerals: 1. a plant body; 2. a diffuser tube; 3. a sound-proof housing; 4. a sound insulating board; 41. a sound absorption hole; 5. a sealing strip; 6. a cushioning spring; 7. sound-absorbing cotton; 8. a heat dissipating component; 81. a heat radiation fan; 82. a connecting pipe; 83. an air outlet pipe; 84. an exhaust duct; 85. an air outlet clapboard; 86. a corrugated plate.
Detailed Description
The present application is described in further detail below with reference to figures 1-3. The embodiment of the application provides a sound insulation device for an exhaust diffusion section of a gas turbine of a gas power plant, which has the effect of reducing the noise of the exhaust diffusion section of the gas turbine.
Referring to fig. 1 and 2, the sound insulation device for the exhaust diffusion section of the gas turbine of the gas power plant comprises a plant body 1, a diffusion pipe 2, a sound insulation cover 3 and a sound insulation plate 4. Diffusion tube 2 intercommunication is connected on factory building body 1, and 3 covers of sound-proof housing are located diffusion tube 2, and acoustic celotex board 4 sets up inside sound-proof housing 3. One end of the sound-proof housing 3 is fixedly connected with the side wall of the plant body 1, and the other end is fixedly connected with the diffusion pipe 2. Equal fixedly connected with sealing strip 5 on the joint gap between 3 outer walls of sound-proof housing and the factory building body 1 and the joint gap between 3 outer walls of sound-proof housing and the diffusion tube 2.
Referring to fig. 2, the baffle 4 is disposed in the gap between the baffle housing 3 and the diffuser 2, the baffle 4 is disposed three with respect to the sidewall parallel arrangement of the diffuser 2, two baffles 4 are vertically disposed at the two opposite ends of the diffuser 2, the third baffle 4 is horizontally disposed at the top end of the two baffles 4, and there is a gap between the baffles 4 and the inner wall of the baffle housing 3. The sound insulating board 4 is provided with a plurality of sound absorbing holes 41 on one side facing the diffuser pipe 2, and the plurality of sound absorbing holes 41 are arranged in a matrix on the sound insulating board 4. Be provided with bradyseism spring 6 between acoustic celotex board 4 and the sound-proof housing 3, bradyseism spring 6's one end and acoustic celotex board 4 are connected, the other end and the interior wall connection of sound-proof housing 3. The inner wall of the sound-proof cover 3 is fixedly connected with sound-absorbing cotton 7 for absorbing sound.
Referring to fig. 1 and 2, the diffuser pipe 2 is soundproof by the soundproof cover 3 during the exhaust process, the soundproof plate 4 provided in the soundproof cover 3 absorbs the noise generated in the diffuser pipe 2, and the sound absorption hole 41 is provided to further reduce the intensity of the noise. When the baffle 4 vibrates under the effect of the low-frequency high-strength noise, the cushioning spring 6 cushions the baffle 4, which helps to reduce the vibration of the baffle 4 in the soundproof housing 3. Direct solid conduction between the baffle 4 and the inner wall of the sound-proof housing 3 is avoided due to the gap between the two. The sound-absorbing cotton 7 absorbs noise in the soundproof cover 3, and contributes to further reducing the intensity of noise. The sealing strip 5 reduces the gap between the soundproof cover 3 and the diffuser 2 and the plant body 1, and helps to hinder the propagation of noise.
Referring to fig. 1 to 3, the soundproof cover 3 is provided with a heat dissipating assembly 8, and the heat dissipating assembly 8 includes a heat dissipating fan 81, a connecting pipe 82, an air outlet pipe 83, and an exhaust pipe 84. Radiator fan 81 fixed connection is on the top of sound-proof housing 3, and the one end and the radiator fan 81 intercommunication of connecting pipe 82 are connected, and the other end runs through sound-proof housing 3 and stretches into in the clearance between acoustic celotex board 4 and the diffusion tube 2. The air outlet pipes 83 are connected to the pipe section of the connecting pipe 82 in the soundproof housing 3 in a communicating manner, and the openings of the air outlet pipes 83 are arranged toward the direction of the diffusion pipe 2. The exhaust duct 84 is connected to the soundproof cover 3, and one end of the exhaust duct 84 penetrates the soundproof cover 3 and the soundproof plate 4 in order and extends into the soundproof cover 3. An air outlet partition plate 85 is arranged at the opening end of the air outlet pipe 83, and a corrugated plate 86 is fixedly connected to the inner wall of the air outlet pipe 83.
Referring to fig. 2 and 3, at carminative in-process, diffusion tube 2 constantly generates heat, and in order to prevent that the overheated influence factory building body 1 of environment, radiator fan 81 starts, and on cold wind got into a plurality of tuber pipes 83 and blown to diffusion tube 2 through connecting pipe 82, carried out the heat transfer cooling to diffusion tube 2. The heat-exchanged air flow is discharged out of the soundproof cover 3 through the exhaust duct 84, and contributes to the circulation of the air in the soundproof cover 3. The corrugated plate 86 absorbs noise in the exhaust duct 84, contributing to noise reduction.
The implementation principle of the sound insulation device for the exhaust diffusion section of the gas turbine of the gas power plant in the embodiment of the application is as follows: in the diffuser pipe 2, the sound-proof cover 3 gives sound insulation during the exhaust process, and the sound-proof plate 4 provided in the sound-proof cover 3 absorbs noise generated in the diffuser pipe 2. When the baffle 4 vibrates under the effect of the low-frequency high-strength noise, the cushioning spring 6 cushions the baffle 4, which helps to reduce the vibration of the baffle 4 in the soundproof housing 3.
In the exhaust process, cold air is blown to the diffusion tube 2 through the connecting tube 82 and the air outlet tube 83, so that heat exchange and temperature reduction are performed on the diffusion tube 2. The heat-exchanged air flow is discharged out of the soundproof cover 3 through the exhaust duct 84, and contributes to the circulation of the air in the soundproof cover 3. The corrugated plate 86 absorbs noise in the exhaust duct 84, contributing to noise reduction.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a sound arrester for gas power plant's combustion engine exhaust diffuser, includes that factory building body (1) and intercommunication connect diffuser (2) on factory building body (1), its characterized in that: still locate diffusion tube (2) outer sound-proof housing (3) including the cover, sound-proof housing (3) length direction's one end with factory building body (1) is connected, be provided with acoustic celotex board (4) in sound-proof housing (3), acoustic celotex board (4) set up in diffusion tube (2) with between sound-proof housing (3), acoustic celotex board (4) about the lateral wall parallel arrangement of diffusion tube (2), be provided with radiator unit (8) on sound-proof housing (3).
2. The sound insulation device for the exhaust diffusion section of the gas turbine of the gas power plant according to claim 1, characterized in that: a plurality of sound absorbing holes (41) are formed in one side, facing the diffusion pipe (2), of the sound insulation board (4), and a gap is reserved between the sound insulation board (4) and the inner wall of the sound insulation cover (3).
3. The sound-insulating device for the exhaust diffusion section of the gas power plant combustion engine is characterized in that: the utility model discloses a damping device of sound-proof housing, including sound-proof panel (4), be provided with between the inner wall of sound-proof housing (3) bradyseism spring (6), the one end of bradyseism spring (6) with the interior wall connection of sound-proof housing (3), the other end with sound-proof panel (4) are connected.
4. A sound insulation device for an exhaust diffuser section of a gas power plant combustion engine according to claim 3, characterized in that: radiator unit (8) are including cooling fan (81), connecting pipe (82) and play tuber pipe (83), cooling fan (81) connect in on sound-proof housing (3), connecting pipe (82) with cooling fan (81) intercommunication is connected, connecting pipe (82) run through sound-proof housing (3) and stretch into sound-proof plate (4) with between diffusion tube (2), it is in to go out tuber pipe (83) intercommunication is provided with a plurality of on connecting pipe (82), it sets up towards the direction of diffusion tube (2) to go out tuber pipe (83).
5. The sound insulation device for the exhaust diffusion section of the gas turbine of the gas power plant according to claim 4, characterized in that: be provided with exhaust pipe (84) on sound-proof housing (3), the one end of exhaust pipe (84) runs through in proper order sound-proof housing (3) and acoustic celotex board (4).
6. The sound insulation device for the exhaust diffusion section of the gas turbine of the gas power plant according to claim 5, characterized in that: the inner wall of the exhaust pipe (84) is provided with a corrugated plate (86).
7. The sound insulation device for the exhaust diffusion section of the gas turbine of the gas power plant according to claim 6, characterized in that: the sound-proof housing (3) with the clearance of factory building body (1) and sound-proof housing (3) with all be provided with sealing strip (5) in the clearance of diffuser pipe (2).
8. The sound insulation device for the exhaust diffusion section of the gas power plant combustion engine according to claim 7, characterized in that: and sound absorption cotton (7) is arranged on the inner wall of the sound insulation cover (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223178195.8U CN218542413U (en) | 2022-11-29 | 2022-11-29 | Sound insulation device for gas turbine exhaust diffusion section of gas power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223178195.8U CN218542413U (en) | 2022-11-29 | 2022-11-29 | Sound insulation device for gas turbine exhaust diffusion section of gas power plant |
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| Publication Number | Publication Date |
|---|---|
| CN218542413U true CN218542413U (en) | 2023-02-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223178195.8U Active CN218542413U (en) | 2022-11-29 | 2022-11-29 | Sound insulation device for gas turbine exhaust diffusion section of gas power plant |
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| Country | Link |
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| CN (1) | CN218542413U (en) |
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- 2022-11-29 CN CN202223178195.8U patent/CN218542413U/en active Active
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