CN211451936U - Noise eliminator applied to cooling tower - Google Patents
Noise eliminator applied to cooling tower Download PDFInfo
- Publication number
- CN211451936U CN211451936U CN201922267385.9U CN201922267385U CN211451936U CN 211451936 U CN211451936 U CN 211451936U CN 201922267385 U CN201922267385 U CN 201922267385U CN 211451936 U CN211451936 U CN 211451936U
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- noise
- uproar
- making
- noise reduction
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- 238000001816 cooling Methods 0.000 title claims abstract description 34
- 230000008030 elimination Effects 0.000 claims abstract description 83
- 238000003379 elimination reaction Methods 0.000 claims abstract description 83
- 239000000178 monomer Substances 0.000 claims abstract description 30
- 230000030279 gene silencing Effects 0.000 claims description 44
- 229920000742 Cotton Polymers 0.000 claims description 37
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 18
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 9
- 229910052782 aluminium Inorganic materials 0.000 claims description 9
- 229910052742 iron Inorganic materials 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 230000003584 silencer Effects 0.000 claims description 7
- 239000011521 glass Substances 0.000 claims description 5
- 238000013016 damping Methods 0.000 claims 15
- 239000004411 aluminium Substances 0.000 claims 3
- 238000004519 manufacturing process Methods 0.000 abstract description 14
- 230000000694 effects Effects 0.000 abstract description 5
- 230000008878 coupling Effects 0.000 abstract description 4
- 238000010168 coupling process Methods 0.000 abstract description 4
- 238000005859 coupling reaction Methods 0.000 abstract description 4
- 239000011159 matrix material Substances 0.000 abstract description 3
- 238000005242 forging Methods 0.000 description 10
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 9
- 235000017491 Bambusa tulda Nutrition 0.000 description 9
- 241001330002 Bambuseae Species 0.000 description 9
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 9
- 239000011425 bamboo Substances 0.000 description 9
- 230000001172 regenerating effect Effects 0.000 description 5
- 230000008929 regeneration Effects 0.000 description 4
- 238000011069 regeneration method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000001743 silencing effect Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- QNRATNLHPGXHMA-XZHTYLCXSA-N (r)-(6-ethoxyquinolin-4-yl)-[(2s,4s,5r)-5-ethyl-1-azabicyclo[2.2.2]octan-2-yl]methanol;hydrochloride Chemical compound Cl.C([C@H]([C@H](C1)CC)C2)CN1[C@@H]2[C@H](O)C1=CC=NC2=CC=C(OCC)C=C21 QNRATNLHPGXHMA-XZHTYLCXSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
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- Exhaust Silencers (AREA)
Abstract
The utility model discloses a be applied to noise eliminator on cooling tower, including a plurality of noise elimination monomers, interval between the adjacent noise elimination monomer is 100mm ~ 150mm, and the noise elimination monomer falls the section body of making an uproar including the first section body of making an uproar, the second falls the section body of making an uproar and the third falls the section body of making an uproar, and the first section body of making an uproar falls the section body coupling of making an uproar with the second, the second falls the section body of making an uproar and the third falls the section body coupling of making an uproar, the appearance that the section body was made an uproar to the third falls the section body is toper form or trapezoidal form structure, and the first section body of making. The utility model discloses a first section body of making an uproar, the second of making an uproar body and the third of making an uproar section body combine the design to form the noise elimination monomer, constitute the noise eliminator of matrix type by the noise elimination monomer of a plurality of this kind of structures, this noise eliminator simple structure, the cost of manufacture is low, structural proportion reasonable in design, the noise reduction effect is better.
Description
Technical Field
The utility model relates to a be applied to noise eliminator on cooling tower belongs to silencer technical field.
Background
The cooling tower is a common refrigeration device in industrial and civil projects, generates high noise during operation, is easy to generate noise pollution to the surrounding environment, and often causes noise complaints of residents, so corresponding noise control measures are required to be taken. The cooling tower is typically equipped with mufflers at the air inlet and outlet to prevent or reduce noise transmission. However, the traditional silencer has the problems of complex structure and poor silencing effect. Fig. 7 shows a noise reduction and silencing structure used in the prior art, which includes a semicircular part, and has a complicated manufacturing process, a large contact area with noise and air flow, and a large air flow resistance.
Chinese patent No. 201822089962.5 discloses a sheet type muffler, which includes a base and a silencing sheet, wherein the silencing sheet is installed in the inner cavity of the base, and the disclosed muffler has better silencing effect, but has the problem of mixed air flow, which affects the silencing effect.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a be applied to noise eliminator on cooling tower, its simple structure, the air current resistance is little, no air current mixed flow problem has better noise elimination effect.
In order to solve the technical problem, the utility model discloses a following technical scheme: the utility model provides a be applied to noise eliminator on cooling tower, outer cavity and a plurality of noise elimination monomer in arranging the outer cavity in, the interval between the adjacent noise elimination monomer is 100mm ~ 150mm, the noise elimination monomer is including the first section body of making an uproar that falls, the second falls the section body of making an uproar and the third falls the section body of making an uproar, the first section body of making an uproar falls the section body coupling of making an uproar with the second, the second falls the section body of making an uproar and the third falls the section body coupling of making an uproar, the first section body of making an uproar and the second cross section of making an uproar fall and be square or rectangular form, the area of the first section body cross section of making an uproar that falls is less than the second and falls the area of the section body cross section.
In the muffler device applied to the cooling tower, the third noise reduction segment body comprises a tip end portion and a flow guide surface extending from the tip end portion to the second noise reduction segment body.
In the above-mentioned noise eliminator applied to a cooling tower, a first noise elimination cavity is arranged in the first noise reduction section; a second noise elimination cavity is arranged in the second noise reduction section body; a third noise reduction cavity is arranged in the third noise reduction section body.
In the above-mentioned noise elimination device applied to the cooling tower, the first noise elimination cavity is filled with noise elimination cotton, and/or the second noise elimination cavity is provided with noise elimination cotton, and/or the third noise elimination cavity is provided with noise elimination cotton.
In the silencing device applied to the cooling tower, the silencing cotton is glass cotton.
In the muffler device applied to the cooling tower, the length D1 of the first noise reduction segment body is 200mm to 280 mm; the length D2 of the second noise reduction segment body is 1000 mm-1800 mm.
In the above-mentioned muffler device applied to the cooling tower, the length D3 of the third noise reduction stage body is 100mm to 280 mm.
In the above-mentioned muffler device applied to the cooling tower, the central axes of the first noise reduction segment body and the second noise reduction segment body are overlapped.
In the above-mentioned muffler device applied to the cooling tower, the first noise reduction segment body is made of a thin iron plate, an aluminum plate or a steel plate, the second noise reduction segment body is made of a thin iron plate, an aluminum plate or a steel plate, and the third noise reduction segment body is made of a thin iron plate, an aluminum plate or a steel plate.
In the above-mentioned muffler device applied to the cooling tower, the muffler holes are circular holes, square holes, triangular holes, rectangular holes, elliptical holes, and rhombic holes.
Compared with the prior art, the utility model discloses a first section body of making an uproar, the second of making an uproar body and the third of making an uproar section body combine the design to form the noise elimination monomer, constitute matrix type noise eliminator by the noise elimination monomer of a plurality of this kind of structures, and air resistance is little, and simple structure has eliminated the problem of air current mixed flow, and noise elimination effect is better.
The utility model discloses the third section of making an uproar body of falling comprises pointed end and water conservancy diversion face, compares with semi-circular part or isosceles trapezoid part among the prior art, the utility model provides a pointed end is littleer with the area of contact of noise air current, and the air resistance is lower, and the structure is simpler, and manufacturing cost is lower.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention without undue limitation of the invention. In the drawings:
fig. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is a schematic structural diagram of the noise elimination unit in a matrix arrangement according to the present invention;
fig. 3 is a schematic structural view of the noise elimination unit of the present invention:
fig. 4 is a schematic structural view of another embodiment of the present invention;
FIG. 5 is a diagram of the noise reduction effect of the comparative experiment of the present invention with a plate muffler;
FIG. 6 is a schematic plan view of the muffler unit of the present invention;
fig. 7 shows a noise reduction and sound attenuation structure used in the prior art.
Reference numerals: 1-a first noise reduction section body, 2-a second noise reduction section body, 3-a third noise reduction section body, 301-a tip part, 302-a flow guide surface, 4-a noise elimination monomer, 5-a first noise elimination cavity, 6-a second noise elimination cavity, 7-a third noise elimination cavity, 8-a noise elimination hole and 9-an outer cavity.
The present invention will be further described with reference to the accompanying drawings and the detailed description.
Detailed Description
In order to make the technical field person understand the utility model scheme better, combine the attached drawings in the embodiment of the utility model below, to the technical scheme in the embodiment of the utility model clearly, describe completely.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or otherwise described herein.
Specifically, a first noise elimination cavity 5 is arranged in the first noise elimination section body 1; a second noise elimination cavity 6 is arranged in the second noise reduction section body 2; a third silencing cavity 7 is arranged in the third denoising segment body 3. Furthermore, the first silencing cavity 5 is filled with silencing cotton, the second silencing cavity 6 is filled with silencing cotton, and the third silencing cavity 7 is filled with silencing cotton. In this example, the sound-deadening cotton is glass cotton. Specifically, the length D1 of the first noise reduction segment body 1 is 200 mm; the length D2 of the second noise stage body 2 is 1000 mm. The length D3 of the third noise stage body 3 is 100 mm. Further, the central axes of the first noise reduction segment body 1 and the second noise reduction segment body 2 are arranged in a superposition mode. Specifically, the first noise reduction stage body 1 is made of a thin iron plate, the second noise reduction stage body 2 is made of a thin iron plate, and the third noise reduction stage body 3 is made of a thin iron plate. Silencing holes 8 are uniformly distributed on the first noise reduction segment body 1, the second noise reduction segment body 2 and the third noise reduction segment body 3, and concretely, the silencing holes 8 are uniformly distributed on the flow guide surface 302 of the first noise reduction forging body 1; the outer wall surface of the second noise reduction segment body 2 is evenly provided with noise elimination holes 8, and the outer wall surface of the third noise reduction segment body 3 is evenly provided with noise elimination holes 8. The area of the cross section of the first noise reduction segment body 1 is smaller than that of the cross section of the second noise reduction segment body 2, so that a stepped structure is formed at the joint between the first noise reduction segment body 1 and the second noise reduction segment body 2, and meanwhile, the first noise reduction segment body 1 adopts a small rectangular structure, so that the generation of regenerative noise at the tail part of the noise elimination single body 4 (namely, the end, far away from the second noise reduction forging body 2, of the first noise reduction segment body 1) can be avoided. The noise air current gets into first cavity 6 through the bloop 8 of equipartition on the outer wall of first section of making an uproar body 1 of making an uproar, and then utilizes the amortization cotton of interior place in first cavity 6 can further reduce the noise to avoid the production of regeneration noise. In this example, the muffling hole 8 is a triangular hole.
Embodiment 5 of the utility model: the utility model provides a be applied to noise eliminator on cooling tower, include outer cavity 9 and arrange a plurality of noise elimination monomer 4 in outer cavity 9 in, the interval between the adjacent noise elimination monomer 4 is 100mm ~ 150mm, noise elimination monomer 4 includes the first section of making an uproar body 1 of falling, the second falls the section of making an uproar body 2 and the third falls the section of making an uproar body 3, the first section of making an uproar body 1 of falling falls the section of making an uproar body 2 with the second and is connected, the second falls the section of making an uproar body 2 and the third falls the section of making an uproar body 3 and connect, the appearance of the third falls the section of making an uproar body 3 is the toper column structure, the first section of making an. For reducing the air current resistance, the third falls the section of thick bamboo 3 and includes that tip 301 and extend to the second by tip 301 and fall the flow guide surface 302 that section of thick bamboo 2 falls, and its manufacturing process of the third fall section of thick bamboo 3 that comprises tip 301 and flow guide surface 302 is simpler, makes the utility model discloses noise eliminator's manufacturing cost is lower. The first noise reduction segment body 1, the second noise reduction segment body 2 and the third noise reduction segment body 3 are uniformly provided with noise elimination holes 8. Specifically, a first noise elimination cavity 5 is arranged in the first noise elimination section body 1; a second noise elimination cavity 6 is arranged in the second noise reduction section body 2; a third silencing cavity 7 is arranged in the third denoising segment body 3. Furthermore, the first silencing cavity 5 is filled with silencing cotton, and/or the second silencing cavity 6 is filled with silencing cotton, and/or the third silencing cavity 7 is filled with silencing cotton. Specifically, the noise reduction cotton is glass cotton. Specifically, the length D1 of the first noise reduction segment body 1 is 125 mm; the length D2 of the second noise stage body 2 is 1550 mm. The length D3 of the third noise stage body 3 is 125 mm. Further, the central axes of the first noise reduction segment body 1 and the second noise reduction segment body 2 are arranged in a superposition mode. Specifically, the first noise reduction segment body 1 is made of a steel plate, the second noise reduction segment body 2 is made of a steel plate, and the third noise reduction segment body 3 is made of a steel plate. The contact area of the tip part 301 of the third noise reduction segment body 3 and the noise airflow is smaller, when the airflow enters the noise eliminator, the tip part 301 is firstly contacted, the airflow sequentially flows through the flow guide surface 302 and the outer wall surface of the second noise reduction segment body 2 through the tip part 301, the noise reduction holes 8 uniformly distributed on the first noise reduction segment body 1 and the second noise reduction segment body 2 enter the first noise reduction cavity 5 and the second noise reduction cavity 6, and then the noise is reduced by utilizing the noise reduction cotton arranged in the first noise reduction cavity 5 and the second noise reduction cavity 6. Silencing holes 8 are uniformly distributed on the first noise reduction segment body 1, the second noise reduction segment body 2 and the third noise reduction segment body 3, and concretely, the silencing holes 8 are uniformly distributed on the flow guide surface 302 of the first noise reduction forging body 1; the outer wall surface of the second noise reduction segment body 2 is evenly provided with noise elimination holes 8, and the outer wall surface of the third noise reduction segment body 3 is evenly provided with noise elimination holes 8. The area of the cross section of the first noise reduction segment body 1 is smaller than that of the cross section of the second noise reduction segment body 2, so that a stepped structure is formed at the joint between the first noise reduction segment body 1 and the second noise reduction segment body 2, and meanwhile, the first noise reduction segment body 1 adopts a small rectangular structure, so that the generation of regenerative noise at the tail part of the noise elimination single body 4 (namely, the end, far away from the second noise reduction forging body 2, of the first noise reduction segment body 1) can be avoided. The noise air current gets into first cavity 6 through the bloop 8 of equipartition on the outer wall of first section of making an uproar body 1 of making an uproar, and then utilizes the amortization cotton of interior place in first cavity 6 can further reduce the noise to avoid the production of regeneration noise. In this example, the muffling hole 8 is a circular hole.
Right the utility model provides a noise eliminator and 201822089962.5's the disclosed piece formula silencer of chinese patent's structural resistance and noise elimination volume have carried out the analog prediction, obtain like the noise elimination curve graph that fig. 5 shows, data curve an does in fig. 5 the utility model discloses noise eliminator's noise elimination curve, data curve b is the noise elimination curve of piece formula silencer in fig. 5, can reach through contrast data curve an and data curve b, compare with this piece formula silencer, the utility model discloses this kind of noise eliminator who is applied to on the cooling tower has better noise reduction effect.
The utility model discloses a theory of operation:
the utility model discloses a first section of making an uproar body 1, the second of making an uproar body 2 and the third of making an uproar body 3 connect gradually the noise elimination monomer 4 that forms the three-section structural formula, utilize this kind of built-in noise elimination monomer 4 that has the amortization cotton to constitute the utility model discloses be applied to the noise eliminator on the cooling tower, can effectively reduce and pass through the utility model discloses be applied to the noise eliminator on. In order to reduce noise emission and reduce airflow resistance, the third noise reduction segment 3 of the present invention is designed as a cone-shaped segment composed of a tip portion 301 and a flow guiding surface 302 extending from the tip portion 301 to the second noise reduction segment 2. Use the utility model discloses in the time, the noise air current passes the third and falls the section of making an uproar body 3, the second falls the section of making an uproar body 2 and the first section of making an uproar body 1 of making an uproar, the utility model discloses the first section of making an uproar body 1 of making an uproar adopts little rectangle structure, and it can destroy the regenerated noise that the afterbody air current causes, compares with a sheet silencer that the chinese patent that patent number is 201822089962.5 discloses, under the condition of the same volume of making an uproar, the utility model discloses a less.
Claims (10)
1. The utility model provides a be applied to noise eliminator on cooling tower, characterized in that, include outer cavity (9) and arrange a plurality of noise elimination monomer (4) in outer cavity (9) in, noise elimination monomer (4) fall a section body (2) and the third falls a section body (3) of making an uproar including the first section body (1) of making an uproar of the first section body (1) and the second fall a section body of making an uproar (2) and be connected, the second falls a section body of making an uproar (2) and the third and falls an area of an area.
2. A sound-damping arrangement for a cooling tower according to claim 1, characterised in that the third noise-reducing segment (3) comprises a tip portion (301) and a flow guiding surface (302) extending from the tip portion (301) to the second noise-reducing segment (2).
3. A sound-damping arrangement for a cooling tower according to claim 2, characterised in that a first sound-damping cavity (5) is provided in the first sound-damping segment body (1); a second noise elimination cavity (6) is arranged in the second noise reduction section body (2); a third silencing cavity (7) is arranged in the third denoising segment body (3).
4. A sound-damping device for a cooling tower as claimed in claim 3, characterised in that the first sound-damping cavity (5) is filled with sound-damping cotton, and/or the second sound-damping cavity (6) is filled with sound-damping cotton, and/or the third sound-damping cavity (7) is filled with sound-damping cotton.
5. The muffler device applied to the cooling tower according to claim 4, wherein the silencing cotton is glass cotton.
6. A sound-damping arrangement for a cooling tower according to claim 1, characterised in that the length D1 of the first noise-reducing segment body (1) is 200-280 mm; the length D2 of the second noise reduction segment body (2) is 1000 mm-1800 mm.
7. A sound-damping arrangement for a cooling tower according to claim 1, characterised in that the third noise-reducing segment body (3) has a length D3 of 100-280 mm.
8. A sound-damping arrangement for a cooling tower according to claim 1, characterised in that the central axes of the first (1) and second (2) noise-reducing segments are coincident.
9. A sound-damping arrangement for a cooling tower according to claim 1, characterised in that the first noise-reducing section (1) is made of thin iron, aluminium or steel plate, the second noise-reducing section (2) is made of thin iron, aluminium or steel plate and the third noise-reducing section (3) is made of thin iron, aluminium or steel plate.
10. A silencer device for application in cooling towers according to claim 1, characterised in that the silencing holes (8) are circular, square, triangular, rectangular, oval and diamond-shaped holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922267385.9U CN211451936U (en) | 2019-12-17 | 2019-12-17 | Noise eliminator applied to cooling tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922267385.9U CN211451936U (en) | 2019-12-17 | 2019-12-17 | Noise eliminator applied to cooling tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211451936U true CN211451936U (en) | 2020-09-08 |
Family
ID=72296979
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922267385.9U Active CN211451936U (en) | 2019-12-17 | 2019-12-17 | Noise eliminator applied to cooling tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211451936U (en) |
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2019
- 2019-12-17 CN CN201922267385.9U patent/CN211451936U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 100071 11 / F, block B, building 1, yard 6, Automobile Museum East Road, Fengtai District, Beijing Patentee after: Huadian Technology Co.,Ltd. Country or region after: China Address before: 10th Floor, Building B, Huadian Industrial Park, East Road of Automobile Museum, Fengtai District, Beijing Patentee before: HUADIAN HEAVY INDUSTRIES Co.,Ltd. Country or region before: China |
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