CN219064199U - Cooling tower noise reduction device and system - Google Patents
Cooling tower noise reduction device and system Download PDFInfo
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- CN219064199U CN219064199U CN202223148475.4U CN202223148475U CN219064199U CN 219064199 U CN219064199 U CN 219064199U CN 202223148475 U CN202223148475 U CN 202223148475U CN 219064199 U CN219064199 U CN 219064199U
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- cooling tower
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- air outlet
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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Abstract
The utility model discloses a cooling tower noise reduction device and a cooling tower noise reduction system, which relate to the technical field of noise treatment and realize noise reduction on a plurality of cooling towers or cooling tower groups. The system comprises the device. The cooling tower noise reduction device and the cooling tower noise reduction system are used for noise reduction.
Description
Technical Field
The utility model relates to the technical field of noise treatment, in particular to a noise reduction device and system of a cooling tower.
Background
At present, more and more equipment are used in commercial complexes and office buildings, and the corresponding requirements for heat dissipation are also larger and larger, so that the number of cooling towers on the roof is also greatly increased, and noise generated during operation of the cooling towers has a larger influence on daily life of nearby residents.
In the related art, the noise reduction system of the cooling tower is more suitable for noise reduction of a single cooling tower or a small cooling tower, and the noise reduction system for a plurality of cooling towers or cooling tower groups is not available, so that the noise reduction system cannot meet the market demands.
Disclosure of Invention
The utility model aims to provide a cooling tower noise reduction device and a cooling tower noise reduction system, which are used for reducing noise of a plurality of cooling towers or cooling tower groups.
In a first aspect, the present utility model provides a cooling tower noise reduction apparatus comprising: a sound-proof housing body for cover is established on a plurality of cooling towers, and the sound-proof housing body has air intake and air outlet, and the air intake is seted up on the lateral wall of the sound-proof housing body, and the air outlet is seted up at the top of the sound-proof housing body, and the air outlet is used for being relative with the air exit of a plurality of cooling towers, and cooling tower noise reduction device still includes air inlet silencer and air-out silencer, and the air inlet silencer is established at the position that the sound-proof housing body is located the air intake, and the air-out silencer is established at the position that the sound-proof housing body is located the air outlet.
Compared with the prior art, in the noise reduction device for the cooling towers, the sound-proof cover body is arranged on the plurality of cooling towers, the sound-proof cover body can realize the first noise reduction of the cooling towers, the sound-proof cover body arranged on the plurality of cooling towers is provided with the air inlet and the air outlet, the air outlet is arranged at the top of the sound-proof cover body, when the cooling towers work, high-temperature water flows to the top of the cooling towers, the high-temperature water cools the cooling towers in a water spraying mode, a large amount of hot air is generated after the cooling towers cool, and the hot air generated by the cooling towers is finally exhausted out of the cooling towers through the air outlet opposite to the air outlet of the plurality of cooling towers, the air outlet muffler positioned at the air outlet can realize the noise reduction of the hot air generated by cooling, meanwhile, the air entering the cooling towers through the air inlet muffler after the noise reduction can supplement the air in the cooling towers, which is lost by the cooling towers, and the problem of negative pressure loss caused by the cooling towers is avoided. Therefore, the cooling tower noise reduction device provided by the utility model can effectively reduce noise for a plurality of cooling towers.
In a second aspect, the present utility model provides a cooling tower noise reduction system, including the cooling tower noise reduction device of the first aspect.
Compared with the prior art, the beneficial effects of the cooling tower noise reduction system provided by the utility model are the same as those of the first aspect of the utility model, and the details are omitted here.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model. In the drawings:
FIG. 1 is a block diagram of a cooling tower noise reducer according to an embodiment of the present utility model;
FIG. 2 is a top view of a cooling tower noise reducer according to an embodiment of the present utility model;
FIG. 3 is a block diagram of a blade in an embodiment of the utility model;
FIG. 4 is a graph showing the ratio of the thickness of the same blade to the spacing between two adjacent blades according to an embodiment of the present utility model.
Reference numerals:
101-sound-proof housing body, 102-air outlet, 1021-air outlet silencer, 1022-blade, 103-air inlet, 1031-air inlet silencer, 1032-silencing insert, 104-guide plate, 105-air supplementing port, 1051-air supplementing silencer, 1052-air supplementing silencing blade, 106-reflux baffle, 107-first blade segment, 108-second blade segment, 109-guiding groove.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise. The meaning of "a number" is one or more than one unless specifically defined otherwise.
In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "front", "rear", "left", "right", etc., are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
At present, more and more equipment are used in commercial complexes and office buildings, and the corresponding requirements for heat dissipation are also larger and larger, so that the number of cooling towers on the roof is also greatly increased, and noise generated during operation of the cooling towers has a larger influence on daily life of nearby residents.
In the related art, the noise reduction system of the cooling tower is more suitable for noise reduction of a single cooling tower or a small cooling tower, and the noise reduction system for a plurality of cooling towers or cooling tower groups is not available, so that the noise reduction system cannot meet the market demands. Based on the above, the embodiment of the utility model provides a cooling tower noise reduction device and a cooling tower noise reduction system, which are used for reducing noise of a plurality of cooling towers or cooling tower groups.
Fig. 1 shows a structural diagram of a cooling tower noise reduction device according to an exemplary embodiment of the present utility model. As shown in fig. 1, the cooling tower noise reduction device provided by the exemplary embodiment of the utility model comprises a sound-proof cover body 101 for covering a plurality of cooling towers, wherein the sound-proof cover body 101 is provided with an air inlet 103 and an air outlet 102, the air inlet 103 is formed in the side wall of the sound-proof cover body 101, the air outlet 102 is formed in the top of the sound-proof cover body 101, the air outlet 102 is opposite to the air outlets of the plurality of cooling towers, the cooling tower noise reduction device further comprises an air inlet muffler 1031 and an air outlet muffler 1021, the air inlet muffler 1031 is arranged at the position of the sound-proof cover body 101 at the air inlet 103, and the air outlet muffler 1021 is arranged at the position of the sound-proof cover body 101 at the air outlet 102.
In specific implementation, as shown in fig. 1, the sound-proof housing 101 surrounds a plurality of cooling towers, the top of the sound-proof housing 101 is provided with the air outlet 102, the side wall of the sound-proof housing 101 is provided with the air inlet 103, the air outlet 102 is provided with the air outlet muffler 1021, the air inlet 103 is provided with the air inlet muffler 1031, when the cooling towers start to work, external air enters the cooling towers from the cooling tower side water spraying area through the air inlet, the air inlet muffler 1031 arranged at the air inlet 103 can realize the noise elimination of the air entering the cooling towers, the cooling towers absorb the air entering the cooling towers through the water spraying area, the hot air in the cooling towers is discharged through the air outlet of the cooling towers after being cooled, the air outlet of each cooling tower corresponds to the air outlet 102, and the hot air is discharged outside the cooling towers through the air outlet muffler 1021 of the air outlet through the air outlet 102 to realize the noise elimination of the hot air discharged from the cooling towers.
According to the concrete implementation process, the sound-proof cover body of the cooling tower noise reduction device surrounds the plurality of cooling towers, so that the first noise reduction of the plurality of cooling towers can be realized, the noise generated by air entering the cooling towers can be reduced by the air inlet muffler arranged at the air inlet, the noise generated by hot air discharged from the cooling towers can be reduced by the air outlet muffler arranged at the air outlet, and finally the noise reduction of the plurality of cooling towers is realized.
It should be noted that, the sound-proof cover body is a cover body made of a sound-proof material and comprising a back plate, a sound-absorbing layer, a waterproof layer and a mesh plate, wherein the back plate is provided with a plurality of meshes, and the sound-absorbing layer is arranged between the back plate and the waterproof layer, for example: the backboard can be a galvanized sheet with the thickness of 1.0 mm-1.5 mm, the sound absorption layer can be 48K centrifugal glass wool, the waterproof layer can be a waterproof cloth layer, the thickness of the waterproof cloth can be 0.6 mm-1.0 mm, and the mesh plate can be an aluminum plate with the thickness of 0.8 mm-1.0 mm.
In an alternative, as shown in fig. 2, the number of air outlets 102 is plural, each air outlet 102 is configured to be opposite to a corresponding air outlet of the cooling tower, and the air outlet muffler 1021 is disposed at the corresponding air outlet.
In practical application, the air outlet arranged at the top of the sound-proof housing corresponds to the air outlet of the cooling tower, and as the plurality of air outlets of the sound-proof housing correspond to the air outlets of the cooling towers, each air outlet is provided with an air outlet silencer. Based on this, the hot gas that produces from the cooling tower is discharged to the air outlet through the cooling tower air outlet, can utilize the air-out silencer that sets up at air outlet position to make an uproar falls the noise that the hot gas of air outlet produced.
Fig. 3 shows a structural view of a sound damping blade structural member according to an exemplary embodiment of the present utility model. As shown in fig. 3, the wind-out muffler according to the embodiment of the present utility model includes a plurality of blades 1022, and the plurality of blades 1022 are uniformly distributed in the wind-out muffler 1021, and each blade 1022 includes a first blade section 107 and a second blade section 108 that are distributed along the extension direction of the blade.
The first end of the first blade segment 107 is used for being connected with the housing of the cooling tower correspondingly, the second end of the first blade segment 107 is connected with the first end of the second blade segment 108, the second end of the second blade segment 108 is connected with the part of the sound-proof housing 101 located at the air outlet 102, thus a complete blade 1022 is formed, the first end of the first blade segment 107 is used for being connected with the housing of the cooling tower correspondingly in a detachable manner, the second end of the second blade segment 108 is connected with the sound-proof housing at the part of the air outlet 102 in a detachable manner, and when the whole blade 1022 is corroded by hot air exhausted from the cooling tower in the use process, the replacement is convenient. Meanwhile, the first end of the first blade segment 107 is provided with a diversion trench 109, when the hot air in the cooling tower is discharged through the air outlet of the cooling tower, the diversion trench 109 can be used for diversion of the hot air, and the problem that the hot air turbulence reduces the discharge efficiency of the hot air is avoided.
The air-out noise elimination blade of the air-out silencer comprises a mesh plate, a sound absorption layer, a waterproof layer, a mesh plate and a diversion trench at the lower part, wherein the mesh plate is provided with a plurality of meshes, the sound absorption layer is arranged between the mesh plate and the waterproof layer, the mesh plate can be an aluminum plate with the thickness of 0.7-0.9 mm, the sound absorption layer can be 48K centrifugal glass wool, the waterproof layer can be a waterproof cloth layer, the thickness of the waterproof cloth can be 0.6-1.0 mm, and the diversion trench can be a structural member of the aluminum plate with the thickness of 1.0-1.5 mm.
For example, the sound absorbing layer may be 48K centrifugal glass wool, the waterproof layer may be a waterproof cloth layer, the thickness of the waterproof cloth may be 0.6mm, and the mesh plate may be a 0.8mm aluminum plate.
As shown in fig. 3, the included angle α formed between the first blade segment 107 and the second blade segment 108 is 150 ° to 165 °, and the noise generated by the hot air discharged along the air outlet of the cooling tower is guided to the position away from the sensitive point of the blade through the blade, where the noise generated by the hot air is in the included angle range formed between the first blade segment 107 and the second blade segment 108, so that not only can the noise be absorbed by the blade, but also the resonance between the sound wave angle range of the noise and the blade is generated, and the direct sound generated by the noise is avoided.
Illustratively, as shown in FIG. 4, the ratio of the thickness D of the same blade 1022 to the spacing L between two adjacent blades is 1: (1-2), when the ratio of the thickness of the same blade to the spacing between two adjacent blades is 1:1, at this moment, the interval of distribution between the blade of air-out silencer just can be with the refrigerated steam exhaust of cooling tower, when the air enters into the cooling tower through a plurality of sound-proof housing bodies and carries out the rapid cooling to the cooling tower in, the interval ratio is at 1:1 can cause the vortex of steam to reduce the hot gas exhaust efficiency in the cooling tower, at this moment, adjust the thickness of same blade and the interval ratio between two adjacent blades at 1:2, when the cooling tower can be used for rapidly cooling, hot air in the cooling tower can be rapidly discharged, resonance of noise generated by the blades and the hot air can be guaranteed, and noise generated by the hot air can be effectively reduced.
The air inlets are arranged on the sound-proof cover body, so that air can enter the cooling tower from the air inlets, the cooling efficiency of the cooling tower is improved rapidly, the air inlets are uniformly arranged on the side wall of the sound-proof cover body along the circumferential direction of the sound-proof cover body, the cooling tower can be uniformly cooled when the air enters the cooling tower through the air inlets, and unsafe problems such as explosion caused by local cooling of the cooling tower are avoided.
For example, as shown in fig. 1, the air intake silencer 1031 includes two guard plates, and a silencing insert 1032 disposed between the two guard plates, where the plate surfaces of the two guard plates extend into the air intake 103. The plurality of silencing inserts 1032 are disposed in the air intake muffler 1031 along a direction parallel to the guard plate, and in order to avoid direct sound generated by air entering the cooling tower from entering the cooling tower, the silencing inserts may be M-shaped silencing blade structural members, U-shaped silencing blade structural members, or the like.
In an alternative mode, as shown in fig. 1, an interval is arranged between two adjacent cooling towers, a sound insulation cover body part between the intervals is provided with a wind supplementing opening 105, when air enters the cooling towers through the wind supplementing opening 105, the cooling efficiency of the cooling towers can be improved through the air entering through the wind supplementing opening 105, meanwhile, the wind supplementing opening part is also provided with a wind supplementing silencer 1051, noise generated by the air entering the wind supplementing opening can be reduced through the wind supplementing silencer, and on the basis, a plurality of wind supplementing silencing blades 1052 are arranged in the wind supplementing silencer, and the air entering from the wind supplementing opening 105 can reduce direct sound of noise generated by the air through the wind supplementing silencing blades 1052.
The air supplementing and silencing blade of the air supplementing silencer is composed of a mesh plate, an acoustic absorption layer and a waterproof layer, wherein the acoustic absorption layer is arranged between the mesh plate and the waterproof layer, the acoustic absorption layer can be 48K centrifugal glass wool, the waterproof layer can be a waterproof cloth layer, the thickness of the waterproof cloth can be 0.6-1.0 mm, and the mesh plate can be an aluminum plate with the thickness of 0.8-1.0 mm.
For example, the sound absorbing layer may be 48K centrifugal glass wool, the waterproof layer may be a waterproof cloth layer, the thickness of the waterproof cloth may be 0.6mm, and the mesh plate may be a 0.8mm aluminum plate.
In an alternative manner, as shown in fig. 1, when the hot air in the cooling tower is discharged out of the cooling tower through the air outlet of the cooling tower and the air outlet of the cover body, a slow flow area is formed between the air outlet and the air outlet due to different air pressure differences between the hot air in the cooling tower and the air outlet at the sound insulation cover body. Based on this, the cooling tower noise reduction device further includes a baffle 104, and a slow flow area is provided between the air outlet and the air outlet, and the air outlet is located above the air outlet, so that the slow flow area is located above the air outlet. When the baffle 104 is disposed at the edge of the slow flow region of the exhaust port, the airflow exhausted from the exhaust port can be guided out to the air-out muffler by using the baffle 104.
For example, as shown in fig. 1, one end of the baffle 104 may be connected to a portion of the sound-proof housing at the air outlet 102 (e.g., a side wall of the air outlet), and the other end may be connected to a portion of the air outlet of the cooling tower. When the cooling tower is operated, after the hot gas in the cooling tower is discharged through the air outlet of the cooling tower, the hot gas can be discharged through the air outlet 102 opposite to the air outlet of the cooling tower, and as the air supplementing opening 105 is further arranged between two adjacent cooling towers, the air pressure difference generated between the air entering from the air supplementing opening 105 and the hot gas can lead to the slowing of the efficiency of the hot gas discharge, therefore, the air pressure difference generated between the air entering from the air supplementing opening 105 and the hot gas can be avoided by arranging the guide plate 104 at the position, thereby ensuring that the hot gas discharged through the air outlet in the cooling tower is discharged through the air outlet quickly, and improving the cooling efficiency of the cooling tower.
It should be noted that the above-mentioned guide plate is a guide plate composed of a second back plate, a sound absorption layer and a waterproof layer, wherein the sound absorption layer is arranged between the second back plate and the waterproof layer, the second back plate can be a galvanized sheet with the thickness of 1.0 mm-1.5 mm, the sound absorption layer can be 48K centrifugal glass wool, the waterproof layer can be a waterproof cloth layer, and the thickness of the waterproof cloth can be 0.6 mm-1.0 mm.
For example, the second back plate may be a galvanized plate of 1.0mm, the sound absorbing layer may be 48K centrifugal glass wool, the waterproof layer may be a waterproof cloth layer, and the thickness of the waterproof cloth may be 0.6mm.
As shown in fig. 1, the noise reduction device for a cooling tower further includes a reflux baffle 106 disposed between the baffle and the cooling tower, wherein one end of the reflux baffle 106 is connected to the baffle, the other end of the reflux baffle 106 is connected to the cooling tower, and a certain distance is provided between the cooling tower and the baffle, and the reflux baffle 106 prevents hot air in the cooling tower from flowing back, for example: the reflux baffle 106 is an aluminum plate with the thickness of 1.0 mm-1.5 mm, and can effectively prevent hot gas corrosion in the cooling tower.
The utility model provides a cooling tower noise reduction system, which comprises the cooling tower noise reduction device in the first aspect.
Compared with the prior art, the beneficial effects of the cooling tower noise reduction system provided by the utility model are the same as those of the first aspect of the utility model, and the details are omitted here.
The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.
Claims (10)
1. A cooling tower noise reduction device, comprising: the soundproof cover body is used for covering and establishes on a plurality of cooling towers, the soundproof cover body has air intake and air outlet, the air intake is seted up on the lateral wall of the soundproof cover body, the air outlet is seted up the top of the soundproof cover body, the air outlet be used for with a plurality of the cooling tower the air exit is relative, the cooling tower noise reduction device still includes air inlet silencer and air-out silencer, the air inlet silencer is established the soundproof cover body is located the position of air intake, the air-out silencer is established the soundproof cover body is located the position of air outlet.
2. The cooling tower noise reduction device according to claim 1, wherein the number of the air outlets is plural, each of the air outlets is configured to be opposite to the corresponding cooling tower air outlet, and the air outlet muffler is disposed corresponding to the air outlet.
3. The cooling tower noise reducer of claim 2, wherein the outlet muffler comprises a plurality of blades, each blade comprising a first blade segment and a second blade segment distributed along an elongation direction of the blade;
the first end of the first blade segment is used for being correspondingly connected with the shell of the cooling tower, the second end of the first blade segment is connected with the first end of the second blade segment, the second end of the second blade segment is connected with the part, located at the air outlet, of the sound-proof housing body, and the first end of the first blade segment is provided with a diversion trench.
4. A cooling tower noise reducer according to claim 3, wherein the first and second blade sections form an angle of 150 ° to 165 °.
5. A cooling tower noise reducer according to claim 3, wherein the ratio of the thickness of one and the same vane to the spacing between two adjacent vanes is 1: (1-2).
6. The cooling tower noise reduction device according to claim 1, wherein the number of the air inlets is plural, and the plurality of the air inlets are uniformly provided on the side wall of the soundproof cover body along the circumferential direction of the soundproof cover body.
7. The cooling tower noise reduction device according to any one of claims 1 to 6, further comprising a baffle plate, wherein the baffle plate is arranged at the edge of the slow flow region of the air outlet, the slow flow region is arranged in front of the air outlet and the air outlet, the baffle plate is positioned in the slow flow region, and the baffle plate is used for guiding air flow exhausted from the air outlet to the air outlet muffler.
8. The cooling tower noise reducer of claim 7, further comprising a reflux baffle disposed between the baffle and the cooling tower.
9. The cooling tower noise reduction device according to claim 7, wherein a space is provided between two adjacent cooling towers, the sound insulation cover body is further provided with a wind supplementing port, and the cooling tower noise reduction device further comprises a wind supplementing muffler arranged at the position of the wind supplementing port at intervals.
10. A cooling tower noise reduction system comprising a cooling tower noise reduction device according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223148475.4U CN219064199U (en) | 2022-11-23 | 2022-11-23 | Cooling tower noise reduction device and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223148475.4U CN219064199U (en) | 2022-11-23 | 2022-11-23 | Cooling tower noise reduction device and system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219064199U true CN219064199U (en) | 2023-05-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223148475.4U Active CN219064199U (en) | 2022-11-23 | 2022-11-23 | Cooling tower noise reduction device and system |
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| Country | Link |
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| CN (1) | CN219064199U (en) |
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- 2022-11-23 CN CN202223148475.4U patent/CN219064199U/en active Active
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