Cooling tower with good noise reduction effect
By installing sound insulation structures on the outside of the cooling tower and impedance composite silencers inside, the problem of poor noise reduction effect of the cooling tower is solved, achieving more efficient noise control and hot air noise reduction.
Patent Information
- Application Number
- CN202520429057.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-12
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2035-03-12
AI Technical Summary
Existing cooling towers have poor noise reduction effects, small noise reduction area, and limited noise reduction methods, resulting in severe noise reflection and propagation.
The cooling tower is encased in a soundproof structure, including color steel plates, sound-absorbing panels, and a sound-absorbing layer. Combined with an impedance composite silencer, the sound absorption and insulation performance are enhanced. An impedance composite silencer is also installed at the air outlet, combining reactive and resistive silencing principles to reduce noise.
It significantly improves the sound insulation effect of the cooling tower, reduces noise reflection and propagation, lowers the noise level, and effectively reduces the noise of the exhaust hot air.
Smart Images

Figure CN223807633U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to cooling tower technical field, specifically disclose a cooling tower with good noise reduction effect. BACKGROUND
[0002] Cooling tower is water as circulating coolant, from a system absorbs heat discharge to atmosphere, to reduce water temperature device, its cold is utilize water and air flow contact after cold and hot exchange produces steam, steam volatilization takes away heat reaches evaporation heat dissipation, convection heat transfer and radiation heat transfer etc. Principle to scatter the excess heat produced in industry or refrigeration air conditioner to reduce water temperature evaporation heat dissipation device, to ensure the normal operation of system, device is generally for bucket, therefore, cooling tower.
[0003] Chinese patent CN213515149U discloses a cooling tower with good noise reduction effect, including cooling tower body, heat dissipation filler and base, the top of base is fixedly installed with cooling tower body through support column, the outer wall of cooling tower body is fixedly installed with noise reduction wall, the inner side of support column is fixedly installed with silencer, and the top of fixed frame is fixedly installed with support beam, the top of support beam is fixedly installed with heat dissipation filler, the water collecting tank and cooling tower body are fixedly installed with water inlet pipe, and the top of water inlet pipe is fixedly installed with sprinkling pipe, the bottom of base on one side of water inlet pipe is fixedly installed with anti-freezing pipe, the inside of cooling tower body at the top of sprinkling pipe is fixedly installed with water collector.
[0004] The cooling tower with good noise reduction effect disclosed by the above document only sets a noise reduction wall at the bottom end of the cooling tower, the noise reduction area is small, and the noise reduction mode is single, so that the noise reduction and sound insulation effect is poor, therefore, a cooling tower with good noise reduction effect is needed to solve this problem. UTILITY MODEL CONTENTS
[0005] The utility model provides a cooling tower with good noise reduction effect, which improves sound insulation effect, reduces noise level of the cooling tower, reduces reflection and propagation of noise, and reduces noise of discharged hot air, further achieving noise reduction of the cooling tower.
[0006] The utility model is implemented as follows: a cooling tower with good noise reduction effect, comprising a cooling tower with an air outlet on an upper end face, a fan is installed inside the air outlet, a water collecting pool is arranged at the bottom end inside the cooling tower, and an air inlet is arranged on the outer wall of the cooling tower; a sound insulation structure is arranged on the outer wall of the cooling tower;
[0007] The sound insulation structure comprises a frame arranged on the outer wall of the cooling tower, and a sound insulation cover arranged in the frame, wherein the sound insulation cover comprises color steel plates arranged on the outer layer, sound absorption plates arranged on the inner layer, and a sound absorption layer filled between the color steel plates and the sound absorption plates.
[0008] The inner portion of the air outlet is provided with an impedance composite muffler above the fan.
[0009] As a cooling tower with good noise reduction effect of the utility model, the bottom end of the water collecting pool is paved with a water-permeable buffer pad.
[0010] As a cooling tower with good noise reduction effect of the utility model, the bottom end of the cooling tower is fixedly connected with a supporting leg, and the bottom end of the supporting leg is provided with a vibration isolation soft pad.
[0011] As a cooling tower with good noise reduction effect of the utility model, the sound insulation structure further comprises a sound absorption plate attached to the top end of the sound insulation cover.
[0012] As a cooling tower with good noise reduction effect of the utility model, the sound absorption layer is glass fiber.
[0013] As a cooling tower with good noise reduction effect of the utility model, the outer wall of the air inlet is provided with a mesh plate.
[0014] The cooling tower with good noise reduction effect has the following beneficial effects:
[0015] 1. The cooling tower with good noise reduction effect can wrap the cooling tower through the sound insulation structure, further improve the sound insulation effect, reduce the noise level, and reduce the reflection and propagation of noise.
[0016] 2. The impedance composite muffler installed in the air outlet can combine the resistive and resistive sound elimination principles to reduce the noise of the discharged hot air, and further achieve the noise reduction of the cooling tower. BRIEF DESCRIPTION OF DRAWINGS
[0017] In order to more clearly illustrate the specific embodiments of the utility model or the technical solutions in the prior art, the following will briefly introduce the drawings needed to be used in the specific embodiments or the prior art description. In all the drawings, similar elements or parts are generally indicated by similar reference numerals. In the drawings, each element or part is not necessarily drawn according to the actual proportion.
[0018] Figure 1 It is the overall structure diagram of the cooling tower with good noise reduction effect of the utility model;
[0019] Figure 2 It is the overall sectional structure diagram of the utility model;
[0020] Figure 3The utility model discloses a sound insulation cover's structure diagram.
[0021] Figure 4 The utility model discloses Figure 2 A place amplification structure diagram.
[0022] Marked in the drawing, 1, cooling tower;101, fan;102, water collecting pool;103, air inlet;2, frame;201, sound insulation cover;2011, color steel sheet;2012, sound absorbing layer;2013, sound absorbing board;202, sound absorbing board;3, supporting leg;301, vibration isolation soft pad;4, water permeable buffer pad;5, impedance composite muffler. Specific implementation
[0023] The utility model makes further explanation in combination with the specific embodiment and the drawing to help understanding the contents of the utility model.The method used in the utility model is conventional method if no special provision;The raw material and device used are conventional market product if no special provision.
[0024] Please refer to Figures 1-4 A cooling tower with good noise reduction effect, which comprises a cooling tower 1 with an air outlet on the upper end face, a fan 101 is installed in the air outlet, a water collecting pool 102 is arranged at the bottom end in the cooling tower 1, and an air inlet 103 is arranged on the outer wall of the cooling tower 1;The outer wall of the cooling tower 1 is provided with a sound insulation structure;
[0025] The sound insulation structure comprises a frame 2 arranged on the outer wall of the cooling tower 1, and a sound insulation cover 201 arranged in the frame 2, wherein the sound insulation cover 201 comprises a color steel sheet 2011 arranged on the outer layer, a sound absorbing board 2013 arranged on the inner layer, and a sound absorbing layer 2012 filled between the color steel sheet 2011 and the sound absorbing board 2013;
[0026] The air outlet is provided with an impedance composite muffler 5 above the fan 101.
[0027] In the embodiment, the cooling tower 1 can be wrapped by arranging the sound insulation structure, the sound insulation effect is further improved, and the reflection and propagation of noise are reduced.
[0028] The frame 2 can ensure the stability of the structure and bear the weight of the sound insulation cover 201, the sound absorbing and sound insulation performance of the cooling tower 1 can be improved by arranging the sound insulation cover 201, the outer layer is arranged as the color steel sheet 2011 with high strength, which is used for protecting the internal sound absorbing material and sound insulation structure, the sound absorbing layer 2012 is filled in the middle, which can effectively absorb sound wave energy and reduce noise level, and the inner layer is arranged as the perforated sound absorbing board 2013, which can further enhance the sound absorbing effect.
[0029] By installing the impedance composite muffler 5 (the impedance composite muffler 5 is a muffler that combines the sound absorption principle of the resistive muffler and the resistive muffler through appropriate structure, and has the sound absorption characteristics of both) inside the air outlet, the discharged hot air can be reduced in noise by combining the resistive and resistive sound absorption principles, and the noise reduction of the cooling tower 1 is further achieved.
[0030] As a technical optimization scheme of the utility model, the bottom end of the water collecting pool 102 is laid with a water-permeable buffer pad 4.
[0031] In this embodiment: through the water-permeable buffer pad 4, the noise when the cooling water falls into the water collecting pool 102 can be reduced, and the noise reduction effect of the cooling tower 1 is further improved.
[0032] As a technical optimization scheme of the utility model, the bottom end of the cooling tower 1 is fixedly connected with a supporting leg 3, and the bottom end of the supporting leg 3 is provided with a vibration isolation soft pad 301.
[0033] In this embodiment: through the supporting leg 3, the cooling tower 1 can be supported, and the vibration isolation soft pad 301 arranged at the bottom of the supporting leg 3 can reduce the influence and noise caused by the working vibration of the cooling tower 1.
[0034] As a technical optimization scheme of the utility model, the sound insulation structure further comprises a sound absorption plate 202 attached to the top end of the sound insulation cover 201.
[0035] In this embodiment: by attaching the additional sound absorption plate 202 to the top of the sound insulation cover 201, the internal reflected sound of the cooling tower 1 can be further reduced, and the overall sound absorption effect is improved.
[0036] As a technical optimization scheme of the utility model, the sound absorption layer 2012 is glass fiber.
[0037] In this embodiment: by using glass fiber as the sound absorption layer 2012, the sound wave energy can be effectively absorbed, and the noise level is reduced.
[0038] As a technical optimization scheme of the utility model, the outer wall of the air inlet 103 is provided with a mesh plate.
[0039] In this embodiment: the external air entering the cooling tower 1 can be filtered through the mesh plate.
[0040] The working principle and use process of the utility model: by setting the sound insulation structure, the cooling tower 1 can be wrapped up, the sound insulation effect is further improved, and the reflection and propagation of noise are reduced.
[0041] Specifically, the frame 2 can ensure structural stability and bear the dead weight of the soundproof cover 201, the soundproof cover 201 can improve the sound absorption and sound insulation performance of the cooling tower 1, the outer layer is provided with a color steel plate 2011 with high strength, which is used for protecting the internal sound absorption material and sound insulation structure, the middle is filled with a sound absorption layer 2012, which can effectively absorb sound wave energy and reduce noise level, and the inner layer is a perforated sound absorption plate 2013, which can further enhance the sound absorption effect, and by pasting an additional sound absorption plate 202 on the top of the soundproof cover 201, the reflected sound inside the cooling tower 1 can be further reduced, and the overall sound absorption effect is improved;
[0042] By installing the impedance composite muffler 5 (the impedance composite muffler 5 is a combination of a resistive muffler and a resistive muffler through a proper structure, and has the sound insulation characteristics of both) in the air outlet, the exhaust hot air can be reduced in noise by combining the resistive and resistive sound insulation principles, and the noise reduction of the cooling tower 1 is further achieved.
[0043] By setting the water-permeable buffer pad 4 at the bottom end of the water collecting pool 102, the noise caused by the cooling water falling into the water collecting pool 102 can be reduced, and by setting the vibration isolation soft pad 301 at the bottom of the supporting leg 3, the influence and noise caused by the working vibration of the cooling tower 1 can be reduced.
[0044] In the description of the utility model, it is understood that the terms "left", "right", "up", "down", "top", "bottom", "front", "back", "inside", "outside", "back", "middle" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements must have a specific orientation, structure and operation, therefore it cannot be understood as a limitation of the utility model.
[0045] The above is only a specific embodiment of the utility model, and cannot limit the scope of the utility model, so the replacement of equivalent components or equivalent changes and modifications made within the scope of the utility model patent protection should still fall within the scope of the utility model claims.
Claims
1. A cooling tower with good noise reduction effect, comprising a cooling tower (1) with an air outlet on the upper end face, a fan (101) is installed inside the air outlet, a water collecting pool (102) is arranged at the bottom end inside the cooling tower (1), and an air inlet (103) is arranged on the outer wall of the cooling tower (1); characterized in that: The outer wall of the cooling tower (1) is provided with a sound insulation structure; The sound insulation structure comprises a frame (2) arranged on the outer wall of the cooling tower (1), a sound insulation cover (201) arranged in the frame (2), the sound insulation cover (201) comprising a color steel plate (2011) arranged on an outer layer, a sound absorption plate (2013) arranged on an inner layer, and a sound absorption layer (2012) filled between the color steel plate (2011) and the sound absorption plate (2013). An impedance composite muffler (5) is arranged above the fan (101) in the air outlet.
2. The cooling tower with good noise reduction effect according to claim 1, characterized in that: A water-permeable buffer pad (4) is arranged at the bottom of the water collecting pool (102).
3. The cooling tower with good noise reduction effect according to claim 1, characterized in that: The bottom of the cooling tower (1) is fixedly connected with a supporting leg (3), and the bottom of the supporting leg (3) is provided with a vibration isolation soft pad (301).
4. The cooling tower with good noise reduction effect according to claim 1, characterized in that: The sound insulation structure further comprises a sound absorption plate (202) attached to the top of the sound insulation cover (201).
5. The cooling tower with good noise reduction effect according to claim 1, characterized in that: The sound absorption layer (2012) is glass fiber.
6. The cooling tower with good noise reduction effect according to claim 1, characterized in that: The outer wall of the air inlet (103) is provided with a mesh plate.
Citation Information
Patent Citations
Cooling tower with good noise reduction effect
CN213515149U