CN219474335U

CN219474335U - Noise-reducing cooling tower

Info

Publication number: CN219474335U
Application number: CN202223389678.2U
Authority: CN
Inventors: 张强; 胡林波; 王秋艳; 张国亮; 张�浩; 宿应明
Original assignee: Shandong Lanxiang Environmental Technology Co ltd
Current assignee: Shandong Lanxiang Environmental Technology Co ltd
Priority date: 2022-12-17
Filing date: 2022-12-17
Publication date: 2023-08-04
Anticipated expiration: 2032-12-17

Abstract

Noise reduction cooling tower relates to cooling tower apparatus technical field, including the cooling tower, cooling tower's air intake department is equipped with amortization guide plate, and cooling tower's catch basin top is equipped with amortization sphere layer from top to bottom side by side, staggered arrangement between the adjacent amortization sphere layer. The utility model solves the problems that the noise reduction mode of the cooling tower in the prior art is to establish the sound insulation wall, but in order not to influence the air inlet of the cooling tower, a certain interval is arranged between the sound insulation wall and the cooling tower, so that the occupied area of the cooling tower is increased; and the low, medium and high frequency noise is easy to generate in the water spraying process, so that the existing silencing structure can not eliminate the low, medium and high frequency noise and reduce the silencing efficiency.

Description

Noise-reducing cooling tower

Technical Field

The utility model relates to the technical field of cooling tower appliances, in particular to a noise reduction cooling tower.

Background

Today's industrial production, the use of cooling towers is relatively common. The cooling tower uses water as a circulating coolant to absorb waste heat generated in industrial production and discharge the waste heat into the atmosphere so as to meet the requirements of industrial production. The refrigeration principle is that in the process of contacting water and air, a great amount of latent heat of vaporization is absorbed by water vapor through water evaporation and heat in water is transferred to the air through heat convection between water and air, so that the purpose of cooling water is realized.

However, noise is inevitably generated in the operation process of the cooling tower, and the main noise source of the cooling tower is water spraying noise generated when spraying water falls into a water collecting tank, so that certain influence is generated on the surrounding environment.

The utility model discloses a CN 206905580U's patent among the prior art, this scheme includes a plurality of noise elimination guide vane groups, every noise elimination guide vane group contains polylith noise elimination guide vane, there are a plurality of noise elimination guide vane groups in the air intake department of cooling tower bottom, a plurality of noise elimination guide vane groups are installed to the air exit department at cooling tower top, all noise elimination guide vanes in the same noise elimination guide vane group are all parallel and the horizontal installation each other, the distance between two arbitrary adjacent noise elimination guide vanes is equal, noise elimination guide vane group of air intake department is arranged along vertical direction, noise elimination guide vane group of air outlet department is all the horizontal installation each other, its characterized in that: the shape of the silencing guide vane is bent, and the center line of the silencing guide vane is of a bilateral symmetry structure.

The prior devices, including the above patents, have also gradually exposed the disadvantages of this technology with use, mainly in the following respects:

first, the noise reduction mode of the cooling tower is that a sound insulation wall is established, but in order not to influence the air inlet of the cooling tower, a certain interval is arranged between the sound insulation wall and the cooling tower, so that the occupied area of the cooling tower is increased.

Second, the low, middle and high frequency noise is easy to generate in the water spraying process, so that the existing silencing structure can not eliminate the low, middle and high frequency noise, and the silencing efficiency is reduced.

In summary, it is clear that the prior art has inconvenience and defects in practical use, so that improvement is needed.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model solves the problems that the noise reduction mode of the cooling tower in the prior art is to establish the sound insulation wall, but in order not to influence the air inlet of the cooling tower, a certain interval is arranged between the sound insulation wall and the cooling tower, so that the occupied area of the cooling tower is increased; and the low, medium and high frequency noise is easy to generate in the water spraying process, so that the existing silencing structure can not eliminate the low, medium and high frequency noise and reduce the silencing efficiency.

In order to solve the problems, the utility model provides the following technical scheme:

the noise reduction cooling tower comprises a cooling tower, a noise reduction guide plate is arranged at an air inlet of the cooling tower, noise reduction ball layers are arranged above a water collecting tank of the cooling tower from top to bottom in parallel, and adjacent noise reduction ball layers are arranged in a staggered mode.

As an optimized scheme, the silencing guide plate is an arc-shaped plate, and the convex surface of the silencing guide plate is upwards arranged.

As an optimized scheme, the silencing guide plates are arranged in parallel from top to bottom.

As an optimized scheme, the silencing guide plate comprises a shell, and a silencing cotton layer is filled in the shell.

As an optimized scheme, a resonance board layer which is arranged along with the shell is also fixed in the noise reduction cotton layer.

As an optimized scheme, the shell is a perforated aluminum plate.

As an optimized scheme, the opening ratio of the shell is 3-5%.

As an optimized scheme, the resonance plate layer is an arc-shaped metal plate with the thickness of 1 mm.

As an optimized scheme, the silencing ball layer comprises a plurality of spherical rubber shells which are arranged in a matrix mode along the horizontal direction, and silencing cotton is filled in the spherical rubber shells.

As an optimized scheme, adjacent spherical rubber shells are fixedly connected through rubber strips.

As an optimized scheme, the wall thickness of the spherical rubber shell is 2.5-4mm.

As an optimized scheme, the diameter of the spherical rubber shell is 15-30cm.

As an optimized scheme, the length of the rubber strip is 0.25-0.5 times of the diameter of the spherical rubber shell.

Compared with the prior art, the utility model has the beneficial effects that:

the silencing balls are arranged above the liquid level of the water collecting tank, two layers are arranged, water flowing out of the packing falls on the silencing ball layer firstly and then flows into the water collecting tank, so that the kinetic energy of water flowing into the water collecting tank is reduced, and noise is reduced from the root;

the silencing guide plate is an arc-shaped guide plate, so that air entering from the outside can be distributed more uniformly in the cooling tower, noise generated in the tower can be eliminated, and influence on the outside is reduced;

the silencing layer of the silencing guide plate is filled with silencing cotton, so that middle and high frequency noise in water spraying noise can be effectively eliminated.

The resonance plate layer is an arc-shaped metal plate, the radian of the metal plate is the same as that of the shell of the guide plate, and low and medium frequency noise in the water spraying noise can be effectively eliminated.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. Like elements or portions are generally identified by like reference numerals throughout the several figures. In the drawings, elements or portions thereof are not necessarily drawn to scale.

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic top view of the sound-deadening ball layer of the present utility model;

fig. 3 is a schematic structural view of the silencing baffle of the present utility model.

In the figure: 1-a cooling tower, 2-a silencing guide plate, 3-a silencing ball layer, 4-a filler, 5-a water distribution pipe, 6-a water collector, 7-a fan, 8-a shell and 9-a resonance plate layer; 10-a noise reduction cotton layer; 11-a spherical rubber housing; 12-silencing cotton; 13-rubber strips.

Detailed Description

Embodiments of the technical scheme of the present utility model will be described in detail below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present utility model, and thus are merely examples, and are not intended to limit the scope of the present utility model.

As shown in fig. 1 to 3, the noise reduction cooling tower comprises a cooling tower 1, a noise reduction guide plate 2 is arranged at an air inlet of the cooling tower 1, noise reduction ball layers 3 are arranged above a water collecting tank of the cooling tower 1 from top to bottom in parallel, and adjacent noise reduction ball layers 3 are arranged in a staggered mode.

The silencing guide plate 2 is an arc-shaped plate, and the convex surface of the silencing guide plate 2 is upwards arranged.

The silencing guide plates 2 are arranged in parallel from top to bottom.

The silencing guide plate 2 comprises a shell 8, and a silencing cotton layer 10 is filled in the shell 8.

And a resonance board layer 9 which is arranged along with the shell 8 is also fixed in the noise reduction cotton layer 10.

The housing 8 is a perforated aluminium plate.

The opening ratio of the shell 8 is 3-5%.

The resonance plate layer 9 is an arc-shaped metal plate having a thickness of 1 mm.

The silencing ball layer 3 comprises a plurality of spherical rubber shells 11 which are arranged in a matrix mode along the horizontal direction, and silencing cotton 12 is filled in the spherical rubber shells 11.

Adjacent spherical rubber shells 11 are fixedly connected through rubber strips 13.

The wall thickness of the spherical rubber housing 11 is 2.5-4mm.

The diameter of the spherical rubber housing 11 is 15-30cm.

The length of the rubber strip 13 is 0.25-0.5 times the diameter of the spherical rubber housing 11.

The cooling tower 1 is arranged above the air inlet and is sequentially provided with a filler 4, a water distribution pipe 5, a water collector 6 and a fan 7 from bottom to top.

The working principle of the device is as follows:

the silencing balls are arranged above the liquid level of the water collecting tank, two layers are arranged, water flowing out of the packing 4 falls on the silencing ball layer 3 and then flows into the water collecting tank, so that the kinetic energy of water flowing into the water collecting tank is reduced, and noise is reduced from the root;

the silencing guide plate 2 is an arc-shaped guide plate, so that air entering from the outside can be distributed more uniformly in the cooling tower 1, noise generated in the tower can be eliminated, and influence on the outside is reduced;

the silencing layer of the silencing guide plate 2 is filled with silencing cotton 12, so that middle and high frequency noise in water spraying noise can be effectively eliminated.

The resonance plate layer 9 is an arc-shaped metal plate, the radian of the metal plate is the same as that of the guide plate shell 8, and low and medium frequency noise in the water spraying noise can be effectively eliminated.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model, and are intended to be included within the scope of the appended claims and description.

Claims

1. Noise reduction cooling tower, its characterized in that: the cooling tower comprises a cooling tower (1), a silencing guide plate (2) is arranged at an air inlet of the cooling tower (1), silencing ball layers (3) are arranged above a water collecting tank of the cooling tower (1) from top to bottom in parallel, and adjacent silencing ball layers (3) are arranged in a staggered mode.

2. The noise reduction cooling tower of claim 1, wherein: the silencing guide plate (2) is an arc-shaped plate, and the convex surface of the silencing guide plate (2) is upwards arranged.

3. The noise reduction cooling tower of claim 1, wherein: the silencing guide plates (2) are arranged in parallel from top to bottom.

4. The noise reduction cooling tower of claim 1, wherein: the silencing guide plate (2) comprises a shell (8), and a silencing cotton layer (10) is filled in the shell (8).

5. The noise reduction cooling tower of claim 4, wherein: resonance board layers (9) which are arranged along with the outer shell (8) are also fixed in the noise reduction cotton layers (10).

6. The noise reduction cooling tower of claim 4, wherein: the shell (8) is a perforated aluminum plate.

7. The noise reduction cooling tower of claim 4, wherein: the opening ratio of the shell (8) is 3-5%.

8. The noise reduction cooling tower of claim 1, wherein: the silencing ball layer (3) comprises a plurality of spherical rubber shells (11) which are arranged in a matrix mode along the horizontal direction, and silencing cotton (12) is filled in the spherical rubber shells (11).

9. The noise reduction cooling tower of claim 8, wherein: the adjacent spherical rubber shells (11) are fixedly connected through rubber strips (13).

10. The noise reduction cooling tower of claim 9, wherein: the length of the rubber strip (13) is 0.25-0.5 times of the diameter of the spherical rubber shell (11).