CN114963792B - Noise reduction device for external cold water cooling tower of flexible direct current converter station - Google Patents
Noise reduction device for external cold water cooling tower of flexible direct current converter station Download PDFInfo
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- CN114963792B CN114963792B CN202210511887.5A CN202210511887A CN114963792B CN 114963792 B CN114963792 B CN 114963792B CN 202210511887 A CN202210511887 A CN 202210511887A CN 114963792 B CN114963792 B CN 114963792B
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- plate
- cooling tower
- noise reduction
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- cold water
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28C—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA COME INTO DIRECT CONTACT WITHOUT CHEMICAL INTERACTION
- F28C1/00—Direct-contact trickle coolers, e.g. cooling towers
- F28C1/10—Arrangements for suppressing noise
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F25/00—Component parts of trickle coolers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F25/00—Component parts of trickle coolers
- F28F25/10—Component parts of trickle coolers for feeding gas or vapour
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/60—Arrangements for transfer of electric power between AC networks or generators via a high voltage DC link [HVCD]
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- Casings For Electric Apparatus (AREA)
Abstract
The invention relates to the technical field of noise reduction devices, and discloses a noise reduction device for a cold water cooling tower outside a flexible direct current converter station, which comprises a cooling tower body, wherein the cooling tower body comprises: a cooling fan installed at the upper part of the cooling tower body; install in the fan screen panel in cooling fan outside and install in the breakwater in the cooling tower body outside, the outside of cooling tower body has the installation department, the outside of installation department has the portion of making an uproar that falls, the inboard of the portion of making an uproar that falls has auxiliary portion, the portion of making an uproar that falls includes: the metal noise reduction plate is arranged on one side of the installation part. The noise reduction device for the cold water cooling tower outside the flexible direct current converter station can be used for reducing noise of the cold water cooling tower, and has the advantages of being capable of reducing noise of the cold water cooling tower after being installed outside the cold water cooling tower, guaranteeing stable and rapid installation and the like relative to the working state of the cold water cooling tower.
Description
Technical Field
The invention relates to the technical field of noise reduction devices, in particular to a noise reduction device for a cold water cooling tower outside a flexible direct current converter station.
Background
With the rapid development of the economy in China, a large number of flexible direct current converter stations are put into operation. The converter valve is an important component of the flexible direct current converter station, a great amount of heat is generated by the converter valve in the operation process, cold water in the converter valve is used for the converter valve, cold water outside the converter valve is used for cooling the cold water, and heat exchange of the cold water inside and outside is carried out in an outer cold water cooling tower.
A flexible DC converter station can produce noise under the whole operation condition of cooling tower fan, and wherein, every side of every unit totally has 6 cooling towers, and 6 cooling towers simultaneous operation can lead to the noise that the cooling tower caused to surpass national standard, leads to the surrounding environment to receive the influence, produces noise pollution.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the invention provides a noise reduction device for a cold water cooling tower outside a flexible direct current converter station, which has the advantages of being capable of reducing noise of the cold water cooling tower, ensuring stable and rapid installation and the like, and is used for solving the problems that noise caused by the cooling tower exceeds national standard, surrounding environment is influenced and noise pollution is generated when the cooling tower works simultaneously in the prior art.
(II) technical scheme
The invention provides the following technical scheme: the utility model provides a device of making an uproar falls in cold water cooling tower outside being used for flexible direct current converter station, includes the cooling tower body, the cooling tower body includes: a cooling fan installed at the upper part of the cooling tower body; install in the fan screen panel in cooling fan outside and install in the breakwater in the cooling tower body outside, the outside of cooling tower body has the installation department, the outside of installation department has the portion of making an uproar that falls, the inboard of the portion of making an uproar that falls has auxiliary portion, the portion of making an uproar that falls includes:
a metal noise reduction plate arranged on one side of the mounting part and
the metal noise reduction cover is arranged on the other side of the mounting part, and the metal noise reduction plate and the metal noise reduction cover are made of metal plates;
one side of the metal plate is also provided with a metal cover, and the metal cover is positioned on one side of the water baffle;
the metal plate has a filler plate inside.
The noise reduction device for the cold water cooling tower outside the flexible direct current converter station can be used for reducing noise of the cold water cooling tower, and compared with the working state of the cold water cooling tower, the noise reduction device provided by the invention has the advantages of being capable of reducing noise of the cold water cooling tower after being arranged outside the cold water cooling tower, ensuring stable and rapid installation and the like, and is used for solving the problems that noise caused by the simultaneous operation of the cooling tower in the prior art exceeds national standard, the surrounding environment is influenced and noise pollution is generated.
In one possible implementation manner, the filling plate is fixed inside the metal plate, one side of the filling plate is provided with a communication hole, the communication hole penetrates through the metal plate and extends into the metal plate, the metal cover is composed of a connecting rod and silencing cotton, and the connecting rod is flexibly arranged.
In one possible embodiment, the connecting rod is fixed to the outer surface of the metal plate, the noise damping cotton is fixed to the outer surface of the connecting rod, and the noise damping cotton is connected to the metal plate.
Noise reduction part through setting up the cooling tower body in the working process of cooling tower body makes an uproar to the cooling tower, can be convenient for make an uproar to the noise of cooling tower body in the working process of cooling tower body in the use, and then can make the noise that the cooling tower body transmitted accord with national standard, and further can reduce the noise pollution that the cooling tower produced in the use.
In one possible embodiment, the mounting portion includes:
the device comprises a mounting plate, a first hinge and a second hinge, wherein one side of the mounting plate is movably connected with an adjusting plate through a hinge shaft;
a connecting hose for communicating the adjusting plate with the mounting plate is arranged between the adjusting plate and the mounting plate;
the outer side of the connecting hose is provided with a cavity, and the cavity is arranged inside the adjusting plate and the mounting plate;
the outside of the connecting hose is provided with a top plate.
In one possible embodiment, the top plate is fixed on the outer surface of the connecting hose, the inside of the chamber is provided with a push plate, the push plate is movably arranged inside the chamber, the outside of the push plate is provided with a magnet, and the magnet is fixed on the outer surface of the push plate.
In one possible embodiment, the chamber is internally provided with a tension spring, one end of the tension spring is fixed in the chamber, the other end of the tension spring is fixed on the outer surface of the push plate, and the connecting hose is respectively fixed in the mounting plate and the adjusting plate.
Through carrying out the fixed installation department when carrying out this device installation, install this device that can be quick to for can avoiding directly placing and can lead to the device stability not good problem in the use, still avoided utilizing the screw to make an uproar the fixed difficult problem of dismouting that appears in the position of falling, further can guarantee quick dismouting.
In one possible embodiment, the auxiliary portion includes:
the sound absorbing plate is movably arranged in the metal noise reducing plate;
one side of the sound absorbing plate is provided with a compression spring, and one side of the compression spring is provided with a guide plate.
In one possible implementation manner, the sound absorbing plate is provided in a corrugated manner, one end of the compression spring is fixed on the inner wall of the metal noise reducing plate, the other end of the compression spring is fixed on the outer surface of the sound absorbing plate, and the guide plate is fixed inside the metal noise reducing plate.
In one possible implementation manner, an elastic ring is arranged inside the metal noise reduction cover, the elastic ring is fixed on the outer side of the metal noise reduction cover, an elastic sheet is arranged on one side of the elastic ring, the elastic sheet is fixed on the inner surface of the elastic ring, and the elastic sheet is in contact with the water baffle.
Through setting up the auxiliary portion of making an uproar that falls that dispels the heat in the cooling tower working process, can fall the noise to cooling fan position in the in-process that uses, and can reduce the influence of making an uproar to cooling fan cooling efficiency of falling, and then can ensure stable heat dissipation can also ensure to fall the noise, further can reduce the influence of making an uproar to the cooling tower of falling.
Compared with the prior art, the invention provides the noise reduction device for the cold water cooling tower outside the flexible direct current converter station, which has the following beneficial effects:
1. according to the invention, the device can be quickly installed through the installation part which is fixed when the device is installed, so that the problem that the stability of the device is poor in the use process due to direct placement can be avoided, the problem that the noise reduction part is difficult to assemble and disassemble due to the fact that the screw is used for fixing is also avoided, and further quick assembly and disassembly can be ensured.
2. According to the noise reduction part, the noise reduction part is arranged in the working process of the cooling tower body, so that the noise reduction part can conveniently reduce the noise in the working process of the cooling tower body in the use process, the noise transmitted by the cooling tower body can be in accordance with the national standard, and the noise pollution generated in the use process of the cooling tower can be further reduced.
3. According to the cooling tower, the auxiliary part for radiating and reducing the noise is arranged in the working process of the cooling tower, so that the noise can be reduced on the position of the cooling fan in the use process, the influence of the noise reduction on the cooling efficiency of the cooling fan can be reduced, stable radiating can be ensured, the noise reduction can be ensured, and the influence of the noise reduction on the cooling tower can be further reduced.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention as claimed.
Drawings
Fig. 1 is a schematic diagram of the overall structure of a noise reduction device for a cold water cooling tower outside a flexible direct current converter station;
FIG. 2 is a partial cross-sectional view of a noise reducer for a flexible DC converter station external cold water cooling tower according to the present invention;
FIG. 3 is a cross-sectional view of a metal plate structure of a noise reduction device for a cold water cooling tower outside a flexible DC converter station according to the present invention;
FIG. 4 is a schematic view of the expanded structure of a mounting plate and an adjusting plate of a noise reduction device for a cold water cooling tower outside a flexible DC converter station according to the present invention;
FIG. 5 is a cross-sectional view of the internal structure of a metallic noise reduction housing for a noise reduction device of a cold water cooling tower outside a flexible DC converter station according to the present invention;
fig. 6 is a schematic view of the internal structure of a metal noise reduction plate of a noise reduction device for a cold water cooling tower outside a flexible direct current converter station.
Wherein: 1 cooling tower body, 2 cooling fans, 3 fan net covers, 4 water baffles, 21 mounting plates, 22 adjusting plates, 23 connecting hoses, 24 top plates, 25 chambers, 26 push plates, 27 magnets, 28 tension springs, 31 metal plates, 32 metal covers, 33 filling plates, 34 communication holes, 35 connecting rods, 36 silencing cotton, 41 elastic rings, 42 elastic sheets, 43 sound absorbing plates, 44 compression springs and 45 guide plates.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
Examples of embodiments are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements throughout or elements having like or similar functionality. The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention.
As shown in fig. 1 to 5, the invention provides a noise reduction device for a cold water cooling tower outside a flexible direct current converter station, which comprises a cooling tower body 1, wherein the cooling tower body 1 comprises: a cooling fan 2 installed at the upper part of the cooling tower body 1; install in fan screen panel 3 in cooling fan 2 outside and install in the breakwater 4 in cooling tower body 1 outside, the outside of cooling tower body 1 has the installation department, and the outside of installation department has the portion of making an uproar that falls, and the inboard of the portion of making an uproar that falls has auxiliary portion, and the portion of making an uproar that falls includes:
a metal noise reduction plate arranged on one side of the mounting part and
the metal noise reduction cover is arranged on the other side of the mounting part, and the metal noise reduction plates and the metal noise reduction cover are made of metal plates 31;
the metal cover 32 is arranged on one side of the metal plate 31, and the metal cover 32 is positioned on one side of the water baffle 4;
the metal plate 31 has a filler plate 33 inside.
In the present invention, a metal noise reduction plate is formed by the connection between the metal plates 31, and a metal noise reduction cover is formed by the combination between the metal plates 31 and the metal cover 32, wherein the inner filling plate 33 of the metal plates 31 is made of an inorganic foam sound absorbing material, and the inner filling plate 33 is used for absorbing sound in use.
In one possible embodiment, the filling plate 33 is fixed inside the metal plate 31, one side of the filling plate 33 has a communication hole 34, the communication hole 34 penetrates the metal plate 31 and extends to the inside of the metal plate 31, the metal cover 32 is composed of a connecting rod 35 and a noise damping cotton 36, and the connecting rod 35 is flexibly arranged.
In the present invention, the communication hole 34 is formed on the side of the metal plate 31 close to the cooling tower body 1, and the communication hole 34 is not formed on the side of the metal plate 31 exposed to the outside, so that erosion of the filler plate 33 by rainwater dust or the like can be avoided.
In one possible embodiment, the connection rod 35 is fixed to the outer surface of the metal plate 31, the noise damping cotton 36 is fixed to the outer surface of the connection rod 35, and the noise damping cotton 36 is connected to the metal plate 31.
In the invention, the connecting rods 35 are arranged in a manner of being connected with each other transversely and longitudinally, wherein the noise reduction cotton 36 is positioned on one side of the connecting rods 35 close to the cooling tower body 1, the noise reduction cotton can be stably supported by the connecting rods 35 in the using process, and the connecting rods 35 have certain elasticity and can be stably connected with the noise reduction cotton.
Noise reduction part that makes an uproar falls to the cooling tower through setting up in cooling tower body 1 working process can be convenient for make an uproar to the noise of cooling tower body 1 working process in the use, and then can make the noise that cooling tower body 1 transmitted accord with national standard, and further can reduce the noise pollution that the cooling tower produced in the use.
In one possible embodiment, the mounting portion includes:
the mounting plate 21, one side of the mounting plate 21 is movably connected with the adjusting plate 22 through the hinge shaft;
a connecting hose 23 for communicating the adjusting plate 22 with the mounting plate 21 is arranged between the adjusting plate 22 and the mounting plate 21;
the outer side of the connecting hose 23 is provided with a cavity 25, and the cavity 25 is arranged inside the adjusting plate 22 and the mounting plate 21;
the outside of the connecting hose 23 has a top plate 24.
In the present invention, the connection hose 23 allows communication between the two chambers 25, and when the adjustment plate 22 and the mounting plate 21 are folded, the connection hose 23 is squeezed, and hydraulic oil is provided in the connection hose 23, and after the connection hose 23 is bent, the hydraulic oil in the connection hose can move, so that the position of the push plate 26 can be changed.
In one possible embodiment, the top plate 24 is fixed to the outer surface of the connection hose 23, the inside of the chamber 25 has a push plate 26, the push plate 26 is movably disposed inside the chamber 25, the outside of the push plate 26 has a magnet 27, and the magnet 27 is fixed to the outer surface of the push plate 26.
In the present invention, the top plate 24 is provided in an arc shape, and the outer surface of the top plate 24 is connected to the connection hose 23, so that when the top plate 24 contacts the cooling tower body 1, the position of the top plate 24 can be changed, the connection hose 23 is pressed, and the push plate 26 movably penetrates the mounting plate 21 and the adjustment plate 22, respectively.
In one possible embodiment, the interior of the chamber 25 has a tension spring 28, one end of the tension spring 28 is fixed to the interior of the chamber 25, the other end of the tension spring 28 is fixed to the outer surface of the push plate 26, and the connection hose 23 is fixed to the inside of the mounting plate 21 and the adjustment plate 22, respectively.
In the present invention, the tension spring 28 can exert a pulling force on the push plate 26 after the push plate 26 is pushed out, and when the compression at the connection hose 23 is released, the tension spring 28 is pulled back to the original position through the push plate 26, and the magnet 27 is retracted, so that the position of the magnet 27 is controlled.
Through carrying out the fixed installation department when carrying out this device installation, install this device that can be quick to for can avoiding directly placing and can lead to the device stability not good problem in the use, still avoided utilizing the screw to make an uproar the fixed difficult problem of dismouting that appears in the position of falling, further can guarantee quick dismouting.
In one possible embodiment, the auxiliary portion includes:
a sound absorbing plate 43 movably provided inside the metal noise reducing plate;
the sound absorbing plate 43 has a compression spring 44 on one side, and the compression spring 44 has a baffle 45 on one side.
In the invention, the sound absorbing plates 43 are designed symmetrically up and down, wherein gaps are arranged between the sound absorbing plates 43, the sound absorbing plates 43 are contacted with the metal noise reduction plates when in use, and the flow guide plates 45 can guide the flow direction of the cooled air of the cooling fan, so that better stability can be obtained.
In one possible embodiment, the acoustic panel 43 is provided in a corrugated shape, and one end of the compression spring 44 is fixed to the inner wall of the metal noise reduction plate, the other end of the compression spring 44 is fixed to the outer surface of the acoustic panel 43, and the baffle 45 is fixed to the inside of the metal noise reduction plate.
In the present invention, the compression spring 44 can vibrate the sound absorbing plate 43 during sound absorption, so that sound absorption can be performed more stably, and a good sound absorbing effect is ensured.
In one possible embodiment, the metal noise reduction cover has an elastic ring 41 inside, the elastic ring 41 is fixed on the outer side of the metal noise reduction cover, one side of the elastic ring 41 has a spring piece 42, the spring piece 42 is fixed on the inner surface of the elastic ring 41, and the spring piece 42 is in contact with the water baffle 4.
In the invention, the elastic sheet 42 can position the metal noise reduction cover, and can avoid collision between the elastic ring 41 and the water baffle 4 directly when vibration occurs, so that stable installation effect can be ensured.
Through setting up the auxiliary portion of making an uproar that falls that dispels the heat in the cooling tower working process, can fall the noise to cooling fan 2 position in the in-process of using, and can reduce the influence of falling the noise to cooling fan 2 cooling efficiency, and then can ensure stable heat dissipation can also ensure to fall the noise, further can reduce the influence of falling the noise to the cooling tower.
In addition, the invention also provides a using method of the noise reduction device for the external cold water cooling tower of the flexible direct current converter station, when in use, the mounting plate 21 is attached to the upper surface of the cooling tower body 1, then the adjusting plate 22 is folded, the adjusting plate 22 is attached to the side edge of the cooling tower body 1, after folding, the top plate 24 is contacted with the cooling tower body 1, the top plate 24 is extruded, the connecting hose 23 is compressed, hydraulic oil in the connecting hose 23 is extruded, the hydraulic oil pushes the push plate 26 out, the magnet 27 is attached to the cooling tower body 1, thus the stability of the mounting plate 21 and the adjusting plate 22 is ensured, when in mounting, the elastic sheet 42 is attached to the water baffle 4, and when the cooling fan 2 works, hot air enters between the sound absorbing plates 43 through the guide plates 45, and flows out after the sound absorbing of the sound absorbing plates 43.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
It should be noted that, without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other.
The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings. It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Claims (8)
1. Noise reduction device for a flexible direct current converter station external cold water cooling tower, comprising a cooling tower body (1), the cooling tower body (1) comprising: a cooling fan (2) arranged at the upper part of the cooling tower body (1); install fan screen panel (3) in cooling fan (2) outside and install in breakwater (4) in cooling tower body (1) outside, its characterized in that, the outside of cooling tower body (1) has the installation department, the outside of installation department has the portion of making an uproar that falls, the inboard of the portion of making an uproar that falls has auxiliary portion, the portion of making an uproar that falls includes:
a metal noise reduction plate arranged on one side of the mounting part and
the metal noise reduction cover is arranged on the other side of the mounting part, and the metal noise reduction plate and the metal noise reduction cover are made of metal plates (31);
a metal cover (32) is arranged on one side of the metal plate (31), and the metal cover (32) is positioned on one side of the water baffle (4);
a filler plate (33) is provided inside the metal plate (31);
the mounting portion includes:
the device comprises a mounting plate (21), wherein one side of the mounting plate (21) is movably connected with an adjusting plate (22) through a hinge shaft;
a connecting hose (23) for communicating the adjusting plate (22) with the mounting plate (21) is arranged between the adjusting plate (22) and the mounting plate (21);
the outer side of the connecting hose (23) is provided with a cavity (25), and the cavity (25) is arranged inside the adjusting plate (22) and the mounting plate (21);
the outside of the connecting hose (23) is provided with a top plate (24).
2. The noise reduction device for a flexible direct current converter station external cold water cooling tower according to claim 1, wherein the filling plate (33) is fixed inside the metal plate (31), one side of the filling plate (33) is provided with a communication hole (34), the communication hole (34) penetrates through the metal plate (31) and extends into the metal plate (31), the metal cover (32) is composed of a connecting rod (35) and silencing cotton (36), and the connecting rod (35) is flexibly arranged.
3. A noise reducing device for a flexible direct current converter station external cold water cooling tower according to claim 2, characterized in that the connecting rod (35) is fixed to the outer surface of the metal plate (31), the noise reducing cotton (36) is fixed to the outer surface of the connecting rod (35), and the noise reducing cotton (36) is connected with the metal plate (31).
4. A noise reducing device for a flexible direct current converter station external cooling water cooling tower according to claim 3, characterized in that the top plate (24) is fixed to the outer surface of the connecting hose (23), the inside of the chamber (25) is provided with a push plate (26), the push plate (26) is movably arranged inside the chamber (25), the outside of the push plate (26) is provided with a magnet (27), and the magnet (27) is fixed to the outer surface of the push plate (26).
5. The noise reduction device for the external cooling water cooling tower of the flexible direct current converter station according to claim 4, characterized in that a tension spring (28) is arranged in the chamber (25), one end of the tension spring (28) is fixed in the chamber (25), the other end of the tension spring (28) is fixed on the outer surface of the push plate (26), and the connecting hose (23) is respectively fixed in the mounting plate (21) and the adjusting plate (22).
6. A noise reduction device for a flexible direct current converter station external cold water cooling tower according to claim 1, wherein the auxiliary portion comprises:
a sound absorbing plate (43) movably arranged in the metal noise reducing plate;
a compression spring (44) is arranged on one side of the sound absorbing plate (43), and a guide plate (45) is arranged on one side of the compression spring (44).
7. The noise reduction device for a flexible direct current converter station external cold water cooling tower according to claim 6, wherein the sound absorbing plate (43) is provided in a corrugated shape, one end of the compression spring (44) is fixed on the inner wall of the metal noise reduction plate, the other end of the compression spring (44) is fixed on the outer surface of the sound absorbing plate (43), and the guide plate (45) is fixed inside the metal noise reduction plate.
8. The noise reduction device for the external cold water cooling tower of the flexible direct current converter station according to claim 6, wherein an elastic ring (41) is arranged in the metal noise reduction cover, the elastic ring (41) is fixed on the outer side of the metal noise reduction cover, a spring piece (42) is arranged on one side of the elastic ring (41), the spring piece (42) is fixed on the inner surface of the elastic ring (41), and the spring piece (42) is in contact with the water baffle (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210511887.5A CN114963792B (en) | 2022-05-11 | 2022-05-11 | Noise reduction device for external cold water cooling tower of flexible direct current converter station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210511887.5A CN114963792B (en) | 2022-05-11 | 2022-05-11 | Noise reduction device for external cold water cooling tower of flexible direct current converter station |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114963792A CN114963792A (en) | 2022-08-30 |
| CN114963792B true CN114963792B (en) | 2023-06-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210511887.5A Active CN114963792B (en) | 2022-05-11 | 2022-05-11 | Noise reduction device for external cold water cooling tower of flexible direct current converter station |
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Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2948602C2 (en) * | 1979-12-03 | 1984-10-31 | Balcke-Dürr AG, 4030 Ratingen | Device for noise reduction in cooling towers |
| KR20150111521A (en) * | 2014-03-25 | 2015-10-06 | 삼성물산 주식회사 | Apparatus for Reducing Scattering and Noise of Cooling Tower |
| CN207032965U (en) * | 2017-05-17 | 2018-02-23 | 东莞市云峰环保设备有限公司 | A kind of cooling tower buzz controlling device |
| CN110044187A (en) * | 2019-05-28 | 2019-07-23 | 刘赟 | Heat absorption and cooling double-duty tower |
| CN110255323A (en) * | 2019-07-18 | 2019-09-20 | 苏州迪维勒普信息科技有限公司 | A kind of detection system applied to low frequency noise prevention and treatment |
| CN210637291U (en) * | 2019-09-30 | 2020-05-29 | 江苏美润节能科技有限公司 | Silica gel flexible connector capable of reducing noise |
| CN111322887B (en) * | 2020-02-27 | 2021-11-09 | 华电重工股份有限公司 | Sound insulation and noise reduction type air duct |
| CN215373605U (en) * | 2021-06-24 | 2021-12-31 | 李华 | Sound insulation and noise reduction device for circulating cooling water tower |
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