CN114963792A - 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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- CN114963792A CN114963792A CN202210511887.5A CN202210511887A CN114963792A CN 114963792 A CN114963792 A CN 114963792A CN 202210511887 A CN202210511887 A CN 202210511887A CN 114963792 A CN114963792 A CN 114963792A
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- plate
- noise reduction
- cooling tower
- metal
- direct current
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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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- General Engineering & Computer Science (AREA)
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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 arranged at the upper part of the tower body of the cooling tower; install in the fan screen panel in the 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 of falling, the inboard of the portion of making an uproar of falling has the auxiliary portion, the portion of making an uproar of falling includes: and the metal noise reduction plate is arranged on one side of the mounting part. The noise reduction device for the external cold water cooling tower of the flexible direct current converter station can be used for reducing noise of the cold water cooling tower, and has the advantages that the noise reduction device can reduce noise of the cold water cooling tower and can ensure stable and quick installation and the like after being installed on the outer side of the cold water cooling tower 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 an external cold water cooling tower of a flexible direct current converter station.
Background
With the rapid development of 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 large amount of heat is generated in the operation process of the converter valve, the converter valve inner cooling water is used for the converter valve, the converter valve outer cooling water is used for cooling the inner cooling water, and the heat exchange of the inner cooling water and the outer cooling water is carried out in an outer cooling water cooling tower.
The flexible direct current converter station can generate noise under the condition that cooling tower fans all operate, wherein 6 cooling towers are arranged on each side of each unit, and the noise caused by the cooling towers exceeds the national standard due to the fact that the 6 cooling towers work simultaneously, the surrounding environment is affected, and noise pollution is generated.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a noise reduction device for a flexible direct current converter station external cold water cooling tower, which has the advantages of being capable of reducing noise of the cold water cooling tower and ensuring stable and rapid installation and the like, and is used for solving the problems that in the prior art, the noise caused by the cooling tower exceeds the national standard when the cooling tower works simultaneously, the surrounding environment is influenced and noise pollution is caused.
(II) technical scheme
The invention provides the following technical scheme: a noise reduction device for a flexible direct current converter station external cold water cooling tower comprises a cooling tower body, wherein the cooling tower body comprises: a cooling fan arranged at the upper part of the cooling tower body; install in the fan screen panel in the cooling fan outside and install in the breakwater in the cooling tower outside of the body, the outside of cooling tower body has the installation department, the outside of installation department has the portion of making an uproar of falling, the inboard of the portion of making an uproar of falling has auxiliary portion, the portion of making an uproar of falling includes:
a metal noise reduction plate disposed at one side of the mounting portion, an
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 both 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 filling plate inside.
The noise reduction device for the external cold water cooling tower of 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 and guaranteeing stable and rapid installation after being installed on the outer side of the cold water cooling tower relative to the working state of the cold water cooling tower.
In a possible embodiment, the filling plate is fixed inside the metal plate, one side of the filling plate is provided with a communication hole which penetrates through the metal plate and extends into the metal plate, and the metal cover is composed of a connecting rod and sound-absorbing cotton, wherein the connecting rod is flexibly arranged.
In a possible embodiment, the connecting rod is fixed to the outer surface of the metal plate, the noise reduction cotton is fixed to the outer surface of the connecting rod, and the noise reduction cotton is connected with the metal plate.
Through setting up the portion of making an uproar that falls to the cooling tower body in the cooling tower body course of operation, the in-process that can be convenient for using falls the noise of making an uproar in the cooling tower body course of operation, and then can make the noise that the cooling tower body transmitted out accord with national standard, and further can reduce the produced noise pollution of cooling tower in the use.
In one possible embodiment, the mounting portion comprises:
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 and the mounting plate is arranged between the adjusting plate and the mounting plate;
a cavity is arranged on the outer side of the connecting hose and is arranged inside the adjusting plate and the mounting plate;
the outer side of the connecting hose is provided with a top plate.
In a possible embodiment, the top plate is fixed on the outer surface of the connecting hose, the chamber is internally provided with a push plate, the push plate is movably arranged inside the chamber, and the outer side of the push plate is provided with a magnet which is fixed on the outer surface of the push plate.
In a possible implementation mode, the inside of the chamber is provided with a tension spring, one end of the tension spring is fixed in the inside of 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 installation department that fixes when carrying out this device installation, can be quick install this device to give and to avoid directly placing and can lead to the device not good problem of stability in the use, still avoided utilizing the screw to fall the problem that dismouting difficulty appears in the fixed of the position of making an uproar, further can guarantee quick dismouting.
In one possible embodiment, the auxiliary portion includes:
the sound absorption plate is movably arranged inside the metal noise reduction plate;
one side of the sound-absorbing board is provided with a compression spring, and one side of the compression spring is provided with a guide plate.
In a possible embodiment, the sound-absorbing plate is provided in a corrugated shape, one end of the compression spring is fixed to the inner wall of the metal noise-reducing plate, the other end of the compression spring is fixed to the outer surface of the sound-absorbing plate, and the guide plate is fixed inside the metal noise-reducing plate.
In a 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 part that makes an uproar falls in dispelling the heat in the cooling tower working process, can fall the noise to cooling fan position at the in-process that uses, and can reduce and fall the influence of making an uproar to cooling fan cooling efficiency, and then can ensure stable dispelling the heat and can also ensure to fall the noise, further can reduce and fall the influence of making an uproar to the cooling tower.
Compared with the prior art, the invention provides a noise reduction device for an external cold water cooling tower of a flexible direct current converter station, which has the following beneficial effects:
1. according to the invention, the device can be rapidly installed through the installation part which is used for fixing when the device is installed, so that the problem of poor stability of the device in the use process due to direct placement can be avoided, the problem of difficulty in dismounting due to the fact that the noise reduction part is fixed by using a screw is also avoided, and rapid dismounting can be further ensured.
2. The noise reduction part is arranged for reducing noise of the cooling tower body in the working process of the cooling tower body, so that noise in the working process of the cooling tower body can be reduced conveniently in the using process, the noise transmitted by the cooling tower body can meet the national standard, and the noise pollution generated in the using process of the cooling tower can be further reduced.
3. According to the invention, through the auxiliary part for heat dissipation and noise reduction in the working process of the cooling tower, the noise of the cooling fan can be reduced in the using process, the influence of the noise reduction on the cooling efficiency of the cooling fan can be reduced, stable heat dissipation 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 overall structural diagram of a noise reduction device for a flexible direct current converter station external cold water cooling tower according to the present invention;
FIG. 2 is a partial sectional view of a noise reduction device for a flexible direct current converter station external cold water cooling tower provided by the invention;
FIG. 3 is a sectional view of a metal plate structure of a noise reduction device for a flexible direct current converter station external cold water cooling tower provided by the invention;
fig. 4 is a schematic view of a mounting plate and a regulating plate of the noise reduction device for the external cold water cooling tower of the flexible direct current converter station according to the present invention;
FIG. 5 is a cross-sectional view of the internal structure of a metal noise reduction cover of the noise reduction device for the external cold water cooling tower of the flexible direct current converter station, provided by the invention;
fig. 6 is a schematic structural diagram of an internal structure of a metal noise reduction plate of the noise reduction device for the external cold water cooling tower of the flexible direct current converter station provided by the invention.
Wherein: the cooling tower comprises a cooling tower body 1, a cooling fan 2, a fan mesh enclosure 3, a water baffle 4, a mounting plate 21, a regulating plate 22, a connecting hose 23, a top plate 24, a chamber 25, a push plate 26, a magnet 27, a tension spring 28, a metal plate 31, a metal cover 32, a filling plate 33, a communicating hole 34, a connecting rod 35, silencing cotton 36, an elastic ring 41, an elastic sheet 42, an acoustic board 43, a compression spring 44 and a guide plate 45.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
As shown in fig. 1 to fig. 5, the present invention provides a noise reduction device for a cooling tower outside a flexible dc converter station, including a cooling tower body 1, where the cooling tower body 1 includes: a cooling fan 2 arranged at the upper part of the cooling tower body 1; install in the fan screen panel 3 in the cooling fan 2 outside and install in the breakwater 4 in the 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 of falling, and the inboard of the portion of making an uproar of falling has the auxiliary portion, and the portion of making an uproar of falling includes:
a metal noise reduction plate disposed at one side of the mounting portion, an
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;
one side of the metal plate 31 is also provided with a metal cover 32, 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, the metal noise reduction plate is formed by the connection between the metal plates 31, and the metal noise reduction cover is formed by the combination between the metal plates 31 and the metal cover 32, wherein the internal filling plate 33 of the metal plate 31 is made of inorganic foam sound absorption material, and the sound absorption is performed by the internal filling plate 33 when in use.
In a possible embodiment, the filling plate 33 is fixed inside the metal plate 31, one side of the filling plate 33 has a communicating hole 34, the communicating hole 34 penetrates the metal plate 31 and extends into the metal plate 31, the metal cover 32 is composed of a connecting rod 35 and a silencing cotton 36, and the connecting rod 35 is flexibly arranged.
In the present invention, the through holes 34 are formed on the side of the metal plate 31 close to the cooling tower body 1, and the through holes 34 are 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, and the like can be prevented.
In one possible embodiment, the tie bar 35 is fixed to the outer surface of the metal plate 31, the sound-deadening cotton 36 is fixed to the outer surface of the tie bar 35, and the sound-deadening cotton 36 is attached to the metal plate 31.
In the invention, the connecting rod 35 is arranged in a manner of being connected with each other in the transverse direction and the longitudinal direction, wherein the sound absorption cotton 36 is positioned on one side of the connecting rod 35 close to the cooling tower body 1, the sound absorption cotton can be stably supported by utilizing the connecting rod 35 in the using process, and the connecting rod 35 has certain elasticity and can be stably connected with the sound absorption cotton.
Through setting up the portion of making an uproar of falling that falls to the cooling tower body in 1 working process of cooling tower body, can be convenient for fall the noise of making an uproar in the in-process of using to 1 working process of cooling tower body, and then can make the noise that 1 of cooling tower body transmitted accord with national standard, further can reduce the produced noise pollution of cooling tower in the use.
In one possible embodiment, the mounting portion comprises:
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 and 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 outer side of the connecting hose 23 has a top plate 24.
In the present invention, the connecting hose 23 can communicate between the two chambers 25, and can be squeezed when the adjusting plate 22 and the mounting plate 21 are folded, and the connecting hose 23 has hydraulic oil therein, and after the connecting hose 23 is bent, the hydraulic oil therein can move, so that the position of the push plate 26 can be changed.
In a possible embodiment, the top plate 24 is fixed on the outer surface of the connection hose 23, the chamber 25 has a push plate 26 inside, the push plate 26 is movably disposed inside the chamber 25, the outer side of the push plate 26 has a magnet 27, and the magnet 27 is fixed on the outer surface of the push plate 26.
In the present invention, the top plate 24 is formed 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 is brought into contact with the cooling tower body 1, the position of the top plate 24 is changed to press the connection hose 23, and the push plates 26 are movably inserted through the mounting plate 21 and the adjustment plate 22, respectively.
In a possible embodiment, the chamber 25 has a tension spring 28 inside, one end of the tension spring 28 is fixed inside the chamber 25, the other end of the tension spring 28 is fixed on the outer surface of the push plate 26, and the connection hose 23 is fixed inside the mounting plate 21 and the adjusting plate 22, respectively.
In the present invention, the tension spring 28 can apply tension to the push plate 26 after the push plate 26 is pushed out, and when the extrusion at the connection hose 23 is released, the tension spring 28 is pulled back to the original position through the push plate 26, so that the magnet 27 is retracted, so as to control the position of the magnet 27.
Through carrying out the installation department that fixes when carrying out this device installation, can be quick install this device to give and can avoid directly placing can lead to the device not good problem of stability in the use, still avoided utilizing the screw to fall the problem that dismouting difficulty appears in the fixed of the position of making an uproar, further can guarantee quick dismouting.
In one possible embodiment, the auxiliary portion comprises:
a sound absorbing plate 43 movably disposed inside the metal noise reduction plate;
the sound-absorbing panel 43 has a compression spring 44 on one side and a deflector plate 45 on one side of the compression spring 44.
In the invention, the sound-absorbing plates 43 are designed in a vertically symmetrical mode, gaps are formed among the sound-absorbing plates 43, the sound-absorbing plates 43 are in contact with the metal noise reduction plates when in use, and the guide plates 45 can guide the flowing direction of wind after the cooling fan cools, so that better stability can be obtained.
In one possible embodiment, the sound-absorbing panel 43 is corrugated, and one end of the compression spring 44 is fixed to the inner wall of the metal noise reduction panel, the other end of the compression spring 44 is fixed to the outer surface of the sound-absorbing panel 43, and the deflector 45 is fixed to the inside of the metal noise reduction panel.
In the present invention, the compression spring 44 can make the sound-absorbing plate 43 vibrate during sound absorption, so that sound absorption can be performed more stably, and a good sound-absorbing effect is ensured.
In a possible embodiment, the metal noise reduction cover has an elastic ring 41 inside, the elastic ring 41 is fixed on the outside of the metal noise reduction cover, one side of the elastic ring 41 has a spring 42, the spring 42 is fixed on the inner surface of the elastic ring 41, and the spring 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 the direct collision between the elastic ring 41 and the water baffle 4 when vibration is generated, thereby ensuring stable installation effect.
Through setting up the auxiliary part that makes an uproar falls in dispelling 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 and fall the influence of making an uproar to cooling fan 2 cooling efficiency, and then can ensure stable dispelling the heat and can also ensure to fall the noise, further can reduce and fall the influence of making an uproar 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 the noise reduction device is used, the mounting plate 21 is attached to the upper surface of the cooling tower body 1, the adjusting plate 22 is folded, the adjusting plate 22 is attached to the side edge of the cooling tower body 1, after the noise reduction device is folded, the top plate 24 is in contact 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, the stability of the mounting plate 21 and the adjusting plate 22 is guaranteed, when the noise reduction device is mounted, the elastic sheet 42 is attached to the water baffle 4, when the cooling fan 2 works, hot air enters between the sound absorption plates 43 through the guide plate 45 and flows out after sound absorption of the sound absorption plates 43.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in 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 the embodiments and features of the embodiments may be combined with each other without conflict.
The technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Claims (9)
1. A noise reduction device for a flexible direct current converter station external cold water cooling tower comprises a cooling tower body (1), wherein the cooling tower body (1) comprises: a cooling fan (2) arranged at the upper part of the cooling tower body (1); install in 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 of falling, the inboard of the portion of making an uproar of falling has the auxiliary portion, the portion of making an uproar of falling includes:
a metal noise reduction plate disposed at one side of the mounting portion, an
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 both made of metal plates (31);
one side of the metal plate (31) is also provided with a metal cover (32), 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.
2. The noise reduction device for the 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. The noise reducer for the external cooling water cooling tower of the flexible direct current converter station according to claim 2, wherein the connecting rod (35) is fixed on the outer surface of the metal plate (31), the noise reduction cotton (36) is fixed on the outer surface of the connecting rod (35), and the noise reduction cotton (36) is connected with the metal plate (31).
4. The noise reducer for a flexible direct current converter station external cooling water tower according to claim 1, wherein the mounting portion comprises:
the mounting plate (21), one side of the mounting plate (21) is movably connected with a regulating plate (22) through a hinge shaft;
a connecting hose (23) for communicating the adjusting plate (22) and the mounting plate (21) is arranged between the adjusting plate (22) and the mounting plate (21);
a cavity (25) is arranged on the outer side of the connecting hose (23), and the cavity (25) is arranged inside the adjusting plate (22) and the mounting plate (21);
the connecting hose (23) has a top plate (24) on the outside.
5. The noise reducer for the external cooling water tower of the flexible direct current converter station according to claim 4, wherein the top plate (24) is fixed on the outer surface of the connecting hose (23), the chamber (25) is internally provided with a push plate (26), the push plate (26) is movably arranged inside the chamber (25), the outer side of the push plate (26) is provided with a magnet (27), and the magnet (27) is fixed on the outer surface of the push plate (26).
6. The noise reduction device for the external cooling water cooling tower of the flexible direct current converter station according to claim 5, wherein the chamber (25) is internally provided with a tension spring (28), one end of the tension spring (28) is fixed inside the chamber (25), the other end of the tension spring (28) is fixed on the outer surface of the push plate (26), and the connection hose (23) is respectively fixed inside the mounting plate (21) and the adjusting plate (22).
7. The noise reduction device for the external cold water cooling tower of the flexible direct current converter station according to claim 1, wherein the auxiliary portion comprises:
a sound absorbing plate (43) movably disposed inside the metal noise reduction plate;
one side of the sound-absorbing plate (43) is provided with a compression spring (44), and one side of the compression spring (44) is provided with a guide plate (45).
8. The noise reduction device for the external cooling water cooling tower of the flexible direct current converter station according to claim 7, wherein the sound absorption plate (43) is arranged in a corrugated shape, 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 sound absorption plate (43), and the flow guide plate (45) is fixed inside the metal noise reduction plate.
9. The noise reduction device for the external cooling water cooling tower of the flexible direct current converter station according to claim 7, wherein an elastic ring (41) is arranged inside the metal noise reduction cover, the elastic ring (41) is fixed on the outer side of the metal noise reduction cover, one side of the elastic ring (41) is provided with an elastic sheet (42), the elastic sheet (42) is fixed on the inner surface of the elastic ring (41), and the elastic sheet (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 |
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| CN114963792A true CN114963792A (en) | 2022-08-30 |
| CN114963792B CN114963792B (en) | 2023-06-23 |
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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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| DE2948602A1 (en) * | 1979-12-03 | 1981-06-04 | 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 |
| CN111322887A (en) * | 2020-02-27 | 2020-06-23 | 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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2022
- 2022-05-11 CN CN202210511887.5A patent/CN114963792B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2948602A1 (en) * | 1979-12-03 | 1981-06-04 | 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 |
| CN111322887A (en) * | 2020-02-27 | 2020-06-23 | 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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| CN114963792B (en) | 2023-06-23 |
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