Noise reduction cooling tower

Abstract

The utility model relates to the technical field of cooling tower equipment, in particular to a noise reduction cooling tower. Comprising a tower body and a water outlet arranged at the lower part of the tower body, a water distribution pipe is arranged in the tower body, a plurality of nozzles are arranged on the water distribution pipe, a noise reduction mechanism is arranged between the water distribution pipe and the water outlet, the noise reduction mechanism comprises a plurality of groups of water distribution plates and water collection plates which are sequentially arranged from top to bottom, the water distribution plates and the water collection plates are conical, and the water distribution plates and the water collection plates protrude in opposite directions; the tips of the water diversion plates face upwards and are closed, the tips of the water collection plates face downwards and are provided with openings, a plurality of supporting columns are arranged between the water diversion plates and the water collection plates and separate the lower ends of the water diversion plates from the upper sides of the water collection plates, and gaps exist between the top ends of the water diversion plates and the openings of the water collection plates above the water diversion plates. And the upper end part of the water outlet is connected to the opening of the lowermost water collecting plate. The flowing of the liquid is guided through the water diversion plate and the water collection plate, the impact force generated when the liquid descends is relieved, and then the dripping sound of water drops is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of cooling tower equipment, in particular to a noise reduction cooling tower. Background Art

[0002] The cooling tower uses water as a circulating coolant. The circulating water carrying waste heat exchanges heat with the air in the tower, transferring the heat of the water to the air and dissipating it into the atmosphere. It utilizes the heat exchange between water and air flow to generate steam. The volatilization of the steam takes away the heat to achieve the principles of evaporative heat dissipation, convection heat transfer and radiation heat transfer to dissipate the waste heat generated in industry or refrigeration and air conditioning, thereby reducing the water temperature.

[0003] The reasons why the cooling tower produces noise when it is working are:

[0004] First, the liquid that needs to be cooled is sprayed out from the water nozzle at the top of the cooling tower. When the water droplets fall to the water collection tank at the bottom, the water droplets fall from a high place and hit the accumulated water in the water collection tank, which will produce impact sounds. When the dripping sounds of water droplets are numerous and chaotic, the dripping sounds of water droplets will form noise, thus affecting the production and life of surrounding residents.

[0005] Secondly, when the existing cooling tower is in use, in order to speed up the cooling of the liquid, multiple sets of fans are installed on the top of the tower to assist in heat dissipation. The noise generated by the fans is directly transmitted to the working environment, thus affecting the production and life of the surrounding residents. Summary of the invention

[0006] In order to solve the problem of the dripping sound of water droplets in the existing cooling tower and the noise generated by the fan-assisted heat dissipation, the utility model proposes a noise-reducing cooling tower, which guides the flow of liquid through a water distribution plate and a water collection plate, alleviates the impact force generated when the liquid falls, and thus reduces the dripping sound of water droplets, and a fan noise reduction mechanism is arranged above the fan, and the noise generated by the fan is reduced by the cooperation of the sound-absorbing filter cotton and the first cylinder, thereby improving the use effect of the cooling tower.

[0007] In order to achieve the above purpose, the technical solution of the utility model is:

[0008] A noise reduction cooling tower comprises a tower body and a water outlet arranged at the lower part of the tower body, a water distribution pipe is arranged in the tower body, a plurality of nozzles are arranged on the water distribution pipe, a noise reduction mechanism is arranged between the water distribution pipe and the water outlet, the noise reduction mechanism comprises a plurality of groups of water distribution plates and water collection plates arranged in sequence from top to bottom, the water distribution plates and the water collection plates are both conical, the water distribution plates and the water collection plates are raised in opposite directions, the tip of the water distribution plates is upward and closed, the tip of the water collection plates is downward and has an opening, a plurality of pillars are arranged between the water distribution plates and the water collection plates, the pillars separate the lower end of the water distribution plates from the upper side of the water collection plates, there is a gap between the top of the water distribution plates and the opening of the water collection plates above it, and the upper end of the water outlet is connected to the opening of the lowest water collection plate. The top of the water distribution plate passes through the opening of the water collection plate above it, and there is a gap between the top of the water distribution plate and the side wall at the opening, so that the liquid to be cooled falls.

[0009] Furthermore, the water distribution pipe includes a first pipe and a second pipe, one end of the first pipe extends out of the tower body and the other end is connected to the second pipe, both ends of the second pipe are fixed to the inner wall of the tower body, and the multiple nozzles are evenly distributed on the second pipe.

[0010] Furthermore, a fan is provided in the tower body, and the fan is located above the water distribution pipe. The upper end of the tower body is connected to an exhaust pipe, and the fan is fixedly installed at the lower part of the exhaust pipe. The exhaust pipe is provided with a fan noise reduction mechanism for absorbing the noise generated when the fan is running.

[0011] Furthermore, the fan noise reduction mechanism includes a sound-absorbing filter, a first cylinder and a fixing ring. The sound-absorbing filter is fixed to the upper end of the exhaust pipe. The first cylinder is hollow and sleeved on the outside of the exhaust pipe with a gap between the first cylinder and the exhaust pipe. The lower side of the first cylinder is fixed to the outer side of the tower body. The fixing ring is sleeved on the outside of the sound-absorbing filter and fits the sound-absorbing filter. The lower side of the fixing ring is fixed to the upper side of the first cylinder. The cavity formed between the first cylinder and the exhaust pipe cooperates with the sound-absorbing filter at the upper end of the exhaust pipe to achieve a better noise absorption effect.

[0012] Furthermore, a plurality of cylindrical partitions are fixed on one side of the fixing ring close to the tower body, and the plurality of partitions are arranged in sequence from the outside to the inside, and the plurality of the partitions are all located in the gap between the first cylinder and the exhaust pipe. Two partitions are arranged in sequence from the outside to the inside, and their upper ends are fixed to the fixing ring, and when the lower ends contact the tower body, better sound insulation effect can be achieved.

[0013] Furthermore, an annular through groove is provided inside the first cylinder. The hollow first cylinder can better block the propagation of noise generated by the fan.

[0014] Through the above technical solution, the beneficial effects of the utility model are:

[0015] 1. The utility model sets multiple groups of water distribution plates and water collection plates arranged in sequence from top to bottom between the water distribution pipe and the water outlet. The water distribution plates and water collection plates are used to guide the flow of liquid, alleviate the impact force generated when the liquid descends, reduce the noise generated when water drops fall, and improve the use effect of the cooling tower.

[0016] 2. The utility model uses a cavity formed by the sound-absorbing filter cotton fixed on the upper end of the exhaust pipe, the first cylinder, the fixing ring and the exhaust pipe to absorb the noise generated when the fan is working, and the annular groove opened inside the first cylinder further absorbs the noise, thereby improving the use effect of the cooling tower. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a structural schematic diagram of a noise reduction cooling tower of the utility model;

[0018] Figure 2 This is an enlarged structural diagram of point A of a noise reduction cooling tower of the utility model;

[0019] Figure 3 This is an enlarged structural diagram of location B of a noise reduction cooling tower of the utility model.

[0020] The numbers in the attached drawings are: 1 is the tower body, 2 is the water outlet, 3 is the water distribution pipe, 4 is the nozzle, 5 is the water distribution plate, 6 is the water collecting plate, 7 is the opening, 8 is the support, 9 is the fan, 10 is the exhaust pipe, 11 is the silencer filter cotton, 12 is the first cylinder, 13 is the fixing ring, 14 is the partition, 15 is the through groove, and 16 is the supporting foot. DETAILED DESCRIPTION

[0021] The utility model is further described below in conjunction with the accompanying drawings and specific embodiments:

[0022] like Figure 1 to Figure 3 As shown, this embodiment provides a noise reduction cooling tower, comprising a tower body 1 and a water outlet 2 arranged at the lower part of the tower body 1, a water distribution pipe 3 is arranged in the tower body 1, and a plurality of nozzles 4 are arranged on the water distribution pipe 3;

[0023] Specifically, the water distribution pipe 3 includes a first pipe and a second pipe, one end of the first pipe extends out of the tower body 1 to transport external liquid to be cooled, and the other end is connected to the second pipe, both ends of the second pipe are fixed to the inner wall of the tower body 1, and multiple nozzles 4 are evenly arranged on the second pipe.

[0024] A noise reduction mechanism is provided between the water distribution pipe 3 and the water outlet 2, and the noise reduction mechanism includes two groups of water distribution plates 5 and water collection plates 6 arranged in sequence from top to bottom, the water distribution plates 5 and the water collection plates 6 are both conical, and the water distribution plates 5 and the water collection plates 6 are raised in opposite directions, the tip of the water distribution plate 5 is upward and closed, and the tip of the water collection plate 6 is downward and provided with an opening 7;

[0025] A plurality of pillars 8 are provided between the water-dividing plate 5 and the water-collecting plate 6, and the pillars 8 separate the lower end of the water-dividing plate 5 from the upper side of the water-collecting plate 6, and there is a gap between the top of the water-dividing plate 5 and the opening 7 of the water-collecting plate 6 above it; in this embodiment, the top of the water-dividing plate 5 passes through the opening 7 of the water-collecting plate 6 above it, and there is a gap between the top of the water-dividing plate 5 and the side wall at the opening 7, so that the liquid to be cooled can fall. The upper end of the water outlet 2 is connected to the opening 7 of the lowermost water-collecting plate 6.

[0026] In this embodiment, the external liquid to be cooled introduced by the water distribution pipe 3 is sprayed out through the nozzle 4. The sprayed liquid is first diverted by the conical water dividing plate 5, falls on the water collecting plate 6 below along its circumference, and then flows into the second group of water dividing plates 5 and water collecting plates 6 through the gap separated by the support 8 between the lower end of the water dividing plate 5 and the upper side of the water collecting plate 6, and then flows out from the outlet 2 connected to the end of the opening 7 of the lower water collecting plate 6.

[0027] As an implementable embodiment, a fan 9 is further provided in the tower body 1, and the fan 9 is located above the water distribution pipe 3. The upper end of the tower body 1 is connected to an exhaust pipe 10, and the fan 9 is fixedly installed at the lower part of the exhaust pipe 10. The exhaust pipe 10 is provided with a fan noise reduction mechanism for absorbing the noise generated when the fan 9 is in operation.

[0028] Specifically, the fan noise reduction mechanism includes a sound-absorbing filter cotton 11, a first cylinder 12 and a fixing ring 13. The sound-absorbing filter cotton 11 is fixed to the upper end of the exhaust pipe 10. The first cylinder 12 is hollow. The first cylinder 12 is sleeved on the outside of the exhaust pipe 10 and is spaced apart from the exhaust pipe 10. The lower side of the first cylinder 12 is welded and fixed to the outer side of the tower body 1. The fixing ring 13 is sleeved on the outside of the sound-absorbing filter cotton 11 and fits the sound-absorbing filter cotton 11. The lower side of the fixing ring 13 is fixed to the upper side of the first cylinder 12. In this embodiment, the outer diameter of the first cylinder 12 is the same as the maximum outer diameter of the tower body 1, which can leave more spacing space, which is conducive to subsequent sound absorbing.

[0029] In this embodiment, the material of the noise-absorbing filter cotton 11 is preferably porous foam, which can absorb the noise generated by the operation of the fan 9 without affecting the normal operation of the fan 9.

[0030] Two cylindrical partitions 14 are fixed to one side of the fixing ring 13 close to the tower body 1. The two partitions 14 are arranged in sequence from the outside to the inside, and the two partitions 14 are both located in the gap between the first cylinder 12 and the exhaust pipe 10. In this embodiment, the lower ends of the two partitions 14 do not contact the tower body 1, but in a more preferred embodiment, the lower ends of the partitions 14 contact the tower body 1 to better improve the silencing effect of the cooling tower.

[0031] Furthermore, an annular through groove 15 is formed inside the first cylinder 12 .

[0032] When in use, workers transport the liquid to be cooled to the second pipe through the first pipe and the water pump, and then spray it out from the nozzle 4, and then start the fan 9, and the external air enters the tower body 1 through the air inlet. When the air contacts the sprayed liquid, heat exchange can be performed, so that the temperature of the liquid is reduced, and the air is transported to the upper end of the exhaust pipe 10 under the action of the fan 9;

[0033] In the process of downward movement, the liquid first flows through the conical water-dividing plate 5, falls on the water-collecting plate 6 below along its circumference, and then flows into the second group of water-dividing plates 5 and water-collecting plates 6 after passing through the opening 7 of the water-collecting plate 6, and then flows out from the water outlet 2 connected to the end of the opening 7 of the lowermost water-collecting plate 6, so as to reduce the noise generated when the water drops fall, and improve the use effect of the cooling tower;

[0034] When the air moves upward, a part of the noise generated by the fan 9 is absorbed by the cavity formed by the silencer filter cotton 11 fixed at the upper end of the exhaust pipe 10, the first cylinder 12, the fixing ring 13 and the exhaust pipe 10, thereby reducing the noise generated by the fan 9 when it is working and improving the use effect of the cooling tower.

[0035] The embodiments described above are only preferred embodiments of the present invention and are not intended to limit the scope of implementation of the present invention. Therefore, any equivalent changes or modifications made based on the structures, features and principles described in the patent scope of the present invention should be included in the patent application scope of the present invention.

Claims

1. A noise reduction cooling tower, comprising a tower body (1) and a water outlet (2) arranged at the lower part of the tower body (1), characterized in that: A water distribution pipe (3) is provided in the tower body (1), and a plurality of nozzles (4) are provided on the water distribution pipe (3); A noise reduction mechanism is provided between the water distribution pipe (3) and the water outlet (2), the noise reduction mechanism comprising a plurality of water distribution plates (5) and water collection plates (6) arranged in sequence from top to bottom, the water distribution plates (5) and the water collection plates (6) both being conical, the water distribution plates (5) and the water collection plates (6) protruding in opposite directions, the tip of the water distribution plate (5) being upward and closed, and the tip of the water collection plate (6) being downward and provided with an opening (7); A plurality of pillars (8) are provided between the water distribution plate (5) and the water collection plate (6), the pillars (8) separating the lower end of the water distribution plate (5) from the upper side of the water collection plate (6), and a gap exists between the top end of the water distribution plate (5) and the opening (7) of the water collection plate (6) above it; The upper end of the water outlet (2) is connected to the opening (7) of the lowermost water collecting plate (6).

2. A noise reduction cooling tower according to claim 1, characterized in that: The water distribution pipe (3) comprises a first pipe and a second pipe, one end of the first pipe extends out of the tower body (1) and the other end is connected to the second pipe, both ends of the second pipe are fixed to the inner wall of the tower body (1), and the plurality of nozzles (4) are evenly arranged on the second pipe.

3. A noise reduction cooling tower according to claim 1, characterized in that: A fan (9) is also provided in the tower body (1). The fan (9) is located above the water distribution pipe (3). The upper end of the tower body (1) is connected to an exhaust pipe (10). The fan (9) is fixedly mounted at the lower part of the exhaust pipe (10). The exhaust pipe (10) is provided with a fan noise reduction mechanism for absorbing the noise generated by the fan (9) when it is in operation.

4. A noise reduction cooling tower according to claim 3, characterized in that: The fan noise reduction mechanism comprises a sound-absorbing filter cotton (11), a first cylinder (12) and a fixing ring (13); the sound-absorbing filter cotton (11) is fixed to the upper end of the exhaust pipe (10); the first cylinder (12) is hollow; the first cylinder (12) is sleeved on the outside of the exhaust pipe (10) and a space is provided between the first cylinder (12) and the exhaust pipe (10); the lower side of the first cylinder (12) is fixed to the outer side of the tower body (1); The fixing ring (13) is sleeved on the outside of the sound-absorbing filter cotton (11) and fits closely to the sound-absorbing filter cotton (11); the lower side of the fixing ring (13) is fixed to the upper side of the first cylinder (12).

5. A noise reduction cooling tower according to claim 4, characterized in that: A plurality of cylindrical partitions (14) are fixed to a side of the fixing ring (13) close to the tower body (1), the plurality of partitions (14) are arranged in sequence from the outside to the inside, and the plurality of partitions (14) are all located in the gap between the first cylinder (12) and the exhaust pipe (10).

6. A noise reduction cooling tower according to claim 4, characterized in that: An annular through groove (15) is provided inside the first cylinder (12).

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