CN217585397U

CN217585397U - Low-noise cooling tower

Info

Publication number: CN217585397U
Application number: CN202221615248.5U
Authority: CN
Inventors: 任红卫; 刘建权
Original assignee: Dongguan Air Research Cooling Tower Co ltd
Current assignee: Dongguan Air Research Cooling Tower Co ltd
Priority date: 2022-06-24
Filing date: 2022-06-24
Publication date: 2022-10-14
Anticipated expiration: 2032-06-24

Abstract

The utility model belongs to the technical field of cooling equipment, in particular to a low-noise cooling tower, which comprises a cooling tower main body, and an air draft device, a spraying device, a cooling filler and a silencing device which are arranged on the cooling tower main body from top to bottom; the cooling tower main body is provided with a water inlet communicated with the spraying device, a water outlet and an air inlet which are arranged close to the bottom of the cooling tower main body, and the air inlet is arranged above the water outlet and beside the cooling filler; the cooling filler is placed on the silencing device, and the top of the cooling filler is arranged close to the spraying device; the silencer is provided with a plurality of drainage tubes, and each drainage tube extends downwards to the bottom of the cooling tower main body. Then the liquid is guided to the bottom of the cooling tower main body through each drainage tube on the silencing device to be collected, so that the noise generated by collision of the liquid with the bottom of the cooling tower main body and collision of the liquid with the bottom of the cooling tower main body when the liquid drops due to height difference is reduced.

Description

Low-noise cooling tower

Technical Field

The utility model belongs to the technical field of cooling arrangement, especially, relate to a low noise formula cooling tower.

Background

The cooling tower is an evaporation and heat dissipation device which utilizes the principle that heat is taken away by steam volatilization to achieve evaporation and heat dissipation, convection heat transfer, radiation heat transfer and the like to dissipate waste heat generated in industry or refrigeration air conditioners so as to reduce the water temperature, so as to ensure the normal operation of a system, and the device is generally barrel-shaped, so that the cooling tower is named as the cooling tower. It is widely applied to air-conditioning circulating water systems and industrial circulating water systems. Under the condition of certain water treatment, the cooling effect is one of important performances of the cooling tower, and when the cooling tower is selected, whether special requirements on the cooling degree, the cooling water quantity and the wet bulb temperature exist is mainly considered, and the cooling tower is usually installed in a place with better ventilation.

When the cooling tower works, the noise is high, and generally the noise is generated because liquid needing to be cooled is sprayed out from a water spray opening at the upper end of the cooling tower, and when water drops fall into a water collecting tank at the bottom end, impact sound is generated when the water drops fall from a high position and impact accumulated water in the water collecting tank, so that the noise is generated; another reason is that the fan vibrates during use, thereby generating noise.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a low noise formula cooling tower aims at solving the cooling tower among the prior art and at the great technical problem of during operation noise ratio.

In order to achieve the purpose, the embodiment of the utility model provides a low-noise cooling tower, which comprises a cooling tower main body, and an air draft device, a spraying device, a cooling filler and a silencing device which are arranged on the cooling tower main body from top to bottom; the cooling tower main body is provided with a water inlet communicated with the spraying device, a water outlet and an air inlet which are close to the bottom of the cooling tower main body, and the air inlet is positioned above the water outlet and is arranged beside the cooling filler; the cooling filler is placed on the silencing device, and the top of the cooling filler is close to the spraying device; the silencer is provided with a plurality of drainage tubes, and each drainage tube extends downwards to the bottom of the cooling tower main body.

Optionally, the silencer comprises a support frame and a water collecting and guiding groove connected below the support frame and communicated with the drainage pipes; the support frame is connected with the cooling tower main body and is used for supporting the cooling filler; each drainage tube is connected to the bottom of the water collecting and guiding groove.

Optionally, the diversion trench that catchments is the infundibulate setting, just the lateral wall of diversion trench that catchments with form the acute angle between the support frame.

Optionally, an angle formed between the side wall of the water collecting diversion trench and the support frame is less than 30 °.

Optionally, each of the drainage tubes is arranged uniformly at the bottom of the water collecting diversion trench.

Optionally, the air draft device comprises a buffer mechanism, a motor and fan blades; the buffer mechanism is arranged in an opening at the top of the cooling tower main body; the motor is fixed on the buffer mechanism, and a main shaft of the motor penetrates through the buffer mechanism and is connected with the fan blades.

Optionally, the buffer mechanism comprises a mounting plate, a connecting plate, a guide post and a compression spring; the connecting plate is connected to the side wall of the cooling tower main body; the motor is fixed on the mounting plate; one end of the guide post is fixedly connected with the connecting plate, the other end of the guide post penetrates through the mounting plate and is in sliding connection with the mounting plate, and a limiting ring is arranged at one end of the guide post penetrating through the mounting plate; the compression spring is sleeved outside the guide post and is positioned between the mounting plate and the connecting plate.

Optionally, sound-absorbing cotton is bonded to one side of the limiting ring close to the mounting plate, and the sound-absorbing cotton is sleeved outside the guide post.

Optionally, four air inlets are provided, and four air inlets are respectively provided on four side surfaces of the cooling tower main body.

Optionally, the low noise cooling tower further comprises a mesh enclosure, the mesh enclosure is sleeved on the top of the cooling tower main body, and the mesh enclosure is provided with a plurality of meshes.

The embodiment of the utility model provides an above-mentioned one or more technical scheme in the low noise formula cooling tower have one of following technological effect at least: the utility model discloses low noise formula cooling tower needs refrigerated liquid to enter into the spray set in the cooling tower main part through the water inlet to will need cooling liquid to spray to the cooling through spray set and pack. Simultaneously, updraft ventilator starts, and outside wind gets into from the air intake through updraft ventilator's effect to from the bottom upflow of cooling tower, behind cooling filler and spray set in proper order, discharge from the top of cooling tower main part. Wherein, because the cooling filler is placed on silencing device, the liquid that sprays falls into silencing device after the cooling filler cooling on, the liquid height that falls to silencing device from the cooling filler is lower, and the noise that drips on silencing device is very little, then collects to the bottom of cooling tower main part through each drainage tube drainage on the silencing device to produce when reducing liquid and cooling tower main part bottom collision and the noise that produces with the liquid collision of cooling tower main part bottom because of the difference in height drips.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is a schematic structural diagram of a low-noise cooling tower according to an embodiment of the present invention.

Fig. 2 is a cut-away view of a low-noise cooling tower according to an embodiment of the present invention.

Fig. 3 is a schematic structural view of the air draft device provided by the embodiment of the present invention.

Fig. 4 is a schematic structural view of a mesh enclosure according to an embodiment of the present invention.

Wherein, in the figures, the respective reference numerals:

10-cooling tower main body 11-water inlet 12-water outlet

13-air inlet 20-air draft device 21-buffer mechanism

22-motor 23-fan blade 30-spraying device

40-cooling filler 50-silencing device 51-drainage tube

52-support frame 53-water collecting diversion trench 60-mesh enclosure

211-mounting plate 221-connecting plate 213-guide column

214-compression spring 215-limit ring 216-sound absorbing cotton.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, 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 functions throughout. The embodiments described below by referring to the drawings are exemplary and intended to explain the embodiments of the present invention and are not to be construed as limiting the present invention.

In the description of the embodiments of the present invention, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings only for the convenience of description of the embodiments of the present invention and to simplify the description, and are not intended to indicate or imply that the device or element so indicated must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and therefore should not be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as fixed or detachable connections or as an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the embodiments of the present invention can be understood by those skilled in the art according to specific situations.

In an embodiment of the present invention, as shown in fig. 1-2, a low noise cooling tower is provided, which includes a cooling tower main body 10, and an air draft device 20, a spraying device 30, a cooling filler 40 and a silencer 50 arranged on the cooling tower main body 10 from top to bottom; the cooling tower main body 10 is provided with a water inlet 11 communicated with the spraying device 30, and a water outlet 12 and an air inlet 13 which are arranged close to the bottom of the cooling tower main body 10, and the air inlet 13 is arranged above the water outlet 12 and beside the cooling filler 40; the cooling filler 40 is placed on the silencing device 50, and the top of the cooling filler 40 is arranged close to the spraying device 30; the muffler device 50 is provided with a plurality of draft tubes 51, and each draft tube 51 extends downwards to the bottom of the cooling tower body 10.

Specifically, the top of the cooling tower body 10 is provided with an opening in which the air extraction device 20 is located. The air intake 13 is disposed near the bottom of the cooling packing 40 and above the muffler device 50. The specific structure and material of the cooling filler 40 are well known in the art and will not be described herein. The structure of the spraying device 30 and how to spray the liquid to be cooled are also well known in the art, and will not be described herein. Each drainage tube 51 is hollow inside, and the bottom is provided with an opening which is not closed.

During operation, liquid to be cooled enters the spraying device 30 in the cooling tower main body 10 through the water inlet 11, the liquid to be cooled is sprayed onto the cooling filler 40 through the spraying device 30, and then the liquid is discharged out of the cooling tower main body 10 through the water outlet 12. Meanwhile, the air draft device 20 is started, external wind enters from the air inlet 13 through the action of the air draft device 20, flows upwards from the bottom of the cooling tower, sequentially passes through the cooling filler 40 and the spraying device 30, and is discharged from the top of the cooling tower main body 10. Wherein, because the cooling filler 40 is placed on silencing device 50, the liquid that sprays falls into on silencing device 50 after cooling through cooling filler 40, the liquid height that falls onto silencing device 50 from cooling filler 40 is lower, and the noise that drips onto silencing device 50 is very little, then drains to the bottom of cooling tower main part 10 through each drainage tube 51 on silencing device 50 and collects to the noise that produces with the collision of cooling tower main part 10 bottom and the liquid collision of cooling tower main part 10 bottom when reducing liquid and dripping because of the difference in height.

In another embodiment of the present invention, as shown in fig. 2, the silencer device 50 includes a support frame 52 and a water collecting and guiding trough 53 connected below the support frame 52 and communicated with each of the drainage tubes 51; the support frame 52 is connected to the cooling tower main body 10 and is used for supporting the cooling filler 40; each of the draft tubes 51 is connected to the bottom of the water collecting guide groove 53. Specifically, the support frame 52 is used for suspending the cooling filler 40 above the water collection guiding gutter 53, liquid passes through the support frame 52 after passing through the cooling filler 40 and drops onto the water collection guiding gutter 53, and the distance between the water collection guiding gutter 53 and the support frame 52 is small, so that noise generated when water drops drop onto the water collection guiding gutter 53 is avoided. Each draft tube 51 is communicated with a water collecting and guiding groove 53, so that liquid slides along the inner wall of the draft tube 51 to the bottom of the cooling tower body 10 to be collected.

In another embodiment of the present invention, as shown in fig. 2, the water collecting guiding groove 53 is funnel-shaped, and an acute angle is formed between the sidewall of the water collecting guiding groove 53 and the supporting frame 52. Specifically, the side wall of the water collecting guide groove 53 has a certain inclination angle, and guides the liquid. And is arranged at an acute angle to avoid the noise generated when the liquid drops to the water collecting diversion trench 53 due to the overlarge height difference between the water collecting diversion trench 53 and the support frame 52.

In another embodiment of the present invention, as shown in fig. 2, an angle formed between the sidewall of the water collecting and guiding groove 53 and the supporting frame 52 is less than 30 °. Specifically, an angle formed between the side wall of the water collecting guide groove 53 and the support frame 52 is smaller than 30 ° to avoid that the height difference between the water collecting guide groove 53 and the support frame 52 is too large, and the liquid drips to the water collecting guide groove 53 to generate noise.

In another embodiment of the present invention, as shown in fig. 2, each of the draft tubes 51 is arranged at the bottom of the water collecting flow guiding groove 53. Specifically, the draft tubes 51 are uniformly arrayed at the bottom of the water collecting guide groove 53.

In another embodiment of the present invention, as shown in fig. 1 to 4, the air draft device 20 includes a buffer mechanism 21, a motor 22 and a fan blade 23; the buffer mechanism 21 is installed in the opening at the top of the cooling tower main body 10; the motor 22 is fixed on the buffer mechanism 21, and a main shaft of the motor 22 passes through the buffer mechanism 21 and is connected with the fan blade 23. Specifically, the damping mechanism 21 is used for damping vibration generated by up-and-down floating of the motor 22 during use, so as to avoid noise generated by the vibration. The fan 23 is located at the bottom of the buffer mechanism 21, the motor 22 is located at the top of the buffer mechanism 21, and the motor 22 extends out of the cooling tower main body 10.

In another embodiment of the present invention, as shown in fig. 3, the buffer mechanism 21 includes a mounting plate 211, a connecting plate 221, a guide pillar 213 and a compression spring 214; the connection plate 221 is connected to a side wall of the cooling tower main body 10; the motor 22 is fixed on the mounting plate 211; one end of the guide post 213 is fixedly connected to the connecting plate 221, the other end of the guide post passes through the mounting plate 211 and is slidably connected to the mounting plate 211, and a limiting ring 215 is disposed at one end of the guide post 213 passing through the mounting plate 211; the compression spring 214 is sleeved outside the guide post 213 and is located between the mounting plate 211 and the connecting plate 221.

Specifically, the connection plate 221 is integrally provided perpendicular to the side wall of the cooling tower main body 10, and one end of the compression spring 214 is connected to the mounting plate 211 and the other end is connected to the connection plate 221. The mounting plate 211 is restricted from being pulled out of the guide column 213 upwards by the limiting ring 215. When the mounting plate 211 vibrates, the mounting plate 211 compresses the compression spring 214 downward to achieve buffering, and noise generation is reduced.

In another embodiment of the present invention, as shown in fig. 3, the limiting ring 215 is close to the mounting plate 211 and has a sound-absorbing cotton 216 adhered to one side thereof, and the sound-absorbing cotton 216 is sleeved outside the guide pillar 213. Specifically, the mounting plate 211 compresses the compression spring 214 downward, and the sound-absorbing wool 216 prevents noise from being generated by collision between the retainer ring 215 and the mounting plate 211 when returning.

In another embodiment of the present invention, as shown in fig. 1 to 2, four air inlets 13 are provided, and four air inlets 13 are respectively provided on four sides of the cooling tower main body 10. Specifically, four air inlets 13 are provided to increase the air intake and accelerate the cooling effect.

In another embodiment of the present invention, as shown in fig. 1-2, the low noise cooling tower further includes a mesh enclosure 60, the mesh enclosure 60 is sleeved on the top of the cooling tower main body 10, and the mesh enclosure 60 is provided with a plurality of meshes. Specifically, the mesh enclosure 60 is used for preventing bulky foreign matters such as leaves from falling into the cooling tower main body 10, and a plurality of meshes arranged at the same time avoid influencing the ventilation of the cooling tower working process.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A low noise formula cooling tower which characterized in that: the cooling tower comprises a cooling tower main body, and an air draft device, a spraying device, a cooling filler and a silencing device which are arranged on the cooling tower main body from top to bottom; the cooling tower main body is provided with a water inlet communicated with the spraying device, a water outlet and an air inlet which are close to the bottom of the cooling tower main body, and the air inlet is positioned above the water outlet and is arranged beside the cooling filler; the cooling filler is placed on the silencing device, and the top of the cooling filler is arranged close to the spraying device; the silencer is provided with a plurality of drainage tubes, and each drainage tube extends downwards to the bottom of the cooling tower main body.

2. The low noise cooling tower of claim 1, wherein: the silencer comprises a support frame and a water collecting and guiding groove which is connected below the support frame and communicated with the drainage tubes; the support frame is connected with the cooling tower main body and is used for supporting the cooling filler; each drainage tube is connected to the bottom of the water collecting and guiding groove.

3. The low noise cooling tower of claim 2, wherein: the guiding gutter catchments is the infundibulate setting, just the lateral wall of guiding gutter catchments with form the acute angle between the support frame.

4. The low noise cooling tower of claim 3, wherein: an angle formed between the side wall of the water collecting diversion trench and the support frame is less than 30 degrees.

5. The low noise cooling tower of claim 2, wherein: each drainage tube is uniformly distributed at the bottom of the water collecting and guiding groove.

6. The low noise cooling tower according to any one of claims 1 to 5, wherein: the air draft device comprises a buffer mechanism, a motor and fan blades; the buffer mechanism is arranged in an opening at the top of the cooling tower main body; the motor is fixed on the buffer mechanism, and a main shaft of the motor penetrates through the buffer mechanism and is connected with the fan blades.

7. The low noise cooling tower of claim 6, wherein: the buffer mechanism comprises a mounting plate, a connecting plate, a guide pillar and a compression spring; the connecting plate is connected to the side wall of the cooling tower main body; the motor is fixed on the mounting plate; one end of the guide pillar is fixedly connected with the connecting plate, the other end of the guide pillar penetrates through the mounting plate and is in sliding connection with the mounting plate, and a limiting ring is arranged at one end of the guide pillar penetrating through the mounting plate; the compression spring is sleeved outside the guide pillar and is positioned between the mounting plate and the connecting plate.

8. The low noise cooling tower of claim 7, wherein: the limiting ring is close to one side of the mounting plate, sound-absorbing cotton is bonded to one side of the mounting plate, and the sound-absorbing cotton is sleeved outside the guide pillar.

9. The low noise cooling tower according to any one of claims 1 to 5, wherein: the air inlets are four and are respectively arranged on four side surfaces of the cooling tower main body.

10. The low noise cooling tower according to any one of claims 1 to 5, wherein: the low noise type cooling tower further comprises a mesh enclosure, wherein the mesh enclosure is sleeved on the top of the cooling tower main body, and a plurality of meshes are formed in the mesh enclosure.