A noise reduction structure for mechanical towers

CN224623550UActive Publication Date: 2026-08-11HUANENG DONGGUAN GAS TURBINE THERMAL POWER CO LTD +1
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-09-11
Publication Date
2026-08-11

AI Technical Summary

Technical Problem

[0003]然而,传统机力塔在运行过程中普遍存在噪音过大的问题,严重影响了周边环境及操作人员的工作生活

Benefits of technology

[0012]1. In this utility model, the inclined plates in the ventilation slots on both sides of the tower body, while ensuring air circulation, also block and reflect the noise generated by the falling water and the operation of the equipment, reducing the noise leakage through the ventilation slots. The frame on the outside of the bottom of the tower body cooperates with the sound insulation frame, and the limit post is inserted into the limit hole by the elastic force of the spring, so as to stably install the sound insulation frame, further blocking the noise leakage from the ventilation slots, greatly reducing noise pollution, improving the working environment of operators and the living environment of surrounding residents, and meeting the requirements of modern industrial production for environmental protection and humanized management.

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Abstract

This utility model provides a noise reduction structure for a mechanical power tower, relating to the field of mechanical power tower technology. It includes a tower body, with a packing layer fixedly installed inside the tower body. A water inlet pipe is fixedly installed inside one side of the tower body, and a spray nozzle is fixedly installed at the end of the water inlet pipe near the tower body. A water outlet pipe is fixedly installed at the bottom of the tower body, and an annular shell is fixedly installed at the top of the tower body. In this utility model, the inclined plates in the ventilation slots on both sides of the tower body, while ensuring air circulation, also block and reflect the noise generated by the falling water and equipment operation, reducing noise leakage through the ventilation slots. The frame on the outside of the bottom of the tower body cooperates with the sound insulation frame, and the limiting post is inserted into the limiting hole by the elastic force of a spring, stabilizing the sound insulation frame and further blocking the noise leakage from the ventilation slots. This significantly reduces noise pollution, improves the working environment for operators and the living environment for surrounding residents, and meets the requirements of modern industrial production for environmental protection and humanized management.
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Description

Technical Field

[0001] This utility model relates to the field of mechanical tower technology, and in particular to a noise reduction structure for mechanical towers. Background Technology

[0002] In industrial production, heat dissipation towers are widely used in various industries such as chemical, power, and metallurgy as an important heat dissipation device. They primarily achieve cooling and heat dissipation through the interaction of the packing layer inside the tower and a spray system, utilizing heat exchange between air and water to ensure the stable operation of production equipment.

[0003] However, traditional mechanical power towers generally suffer from excessive noise during operation, severely impacting the surrounding environment and the work and lives of operators. This is mainly due to the open design of the ventilation slots on both sides of the tower. While meeting ventilation and heat dissipation requirements, these slots also become channels for noise to diffuse outwards. The noise generated by water flowing down the packing layer leaks out in large quantities through these channels, causing noise pollution. Prolonged exposure to such a high-noise environment can lead to hearing loss, fatigue, and difficulty concentrating for operators, and also severely disrupts the daily lives of nearby residents. This does not meet the requirements of modern industrial production for environmental protection and human-centered management, thus necessitating improvements. Utility Model Content

[0004] The purpose of this utility model is to solve the problems mentioned in the background art and to propose a noise reduction structure for a mechanical tower.

[0005] To achieve the above objectives, this utility model adopts the following technical solution: a noise reduction structure for a mechanical tower, comprising a tower body, a packing layer fixedly installed inside the tower body, a water inlet pipe fixedly installed inside one side of the tower body, a spray nozzle fixedly installed at one end of the water inlet pipe near the tower body, a water outlet pipe fixedly installed at the bottom of the tower body, an annular shell fixedly installed at the top of the tower body, a mounting frame fixedly installed inside the annular shell, a rotating shaft rotatably connected inside the mounting frame, a fan blade fixedly installed at the top of the rotating shaft, a bevel gear one fixedly installed at the bottom of the rotating shaft, a motor fixedly installed on the outer wall of the annular shell, a bevel gear two fixedly installed at the output end of the motor, a frame fixedly installed outside the bottom of the tower body, a sound insulation frame slidably connected inside the top of the frame, a limiting hole opened on one side of the sound insulation frame and the frame, a fixing rod fixedly installed on the side of the frame near the limiting hole, a round block fixedly installed at the end of the fixing rod away from the frame, a sliding plate slidably connected to the outer wall of the fixing rod, a limiting post fixedly installed on the inner side of the sliding plate, and a spring sleeved on the outer wall of the fixing rod.

[0006] Preferably, the tower body has symmetrically fixed support legs at its bottom, and ventilation slots are formed through both sides of the tower body. Inclined plates are uniformly fixed inside the ventilation slots. Here, the symmetrically installed support legs at the bottom of the tower body provide stable support for the tower body, and the uniformly fixed inclined plates inside the ventilation slots can block and reflect the noise generated by the falling water flow in multiple ways without obstructing airflow, thus extending the noise propagation path and reducing the intensity of noise leakage.

[0007] Preferably, the second bevel gear meshes with the first bevel gear, and the limiting post and the limiting hole are slidably connected. Here, the meshing of the second bevel gear and the first bevel gear enables the power output from the motor to be efficiently transmitted to the rotating shaft, driving the fan blades to rotate stably.

[0008] Preferably, one end of the first spring is fixedly connected to the sliding plate, and the other end of the first spring is fixedly connected to the circular block. This fixed connection improves the performance of the first spring.

[0009] Preferably, the outer wall of the annular shell is symmetrically fixed with fixing sleeves, the top of the annular shell is fitted with a circular frame, the inside of the circular frame is fixed with a protective net, the outer wall of the circular frame is symmetrically fixed with connecting plates, the bottom of the connecting plates is fixed with insert rods, a pre-reserved groove is formed on one side of the insert rod, a fixing piece is fixedly installed inside the pre-reserved groove, a second spring is fixedly installed on the side of the fixing piece away from the pre-reserved groove, and a limiting block is fixedly installed at the end of the second spring away from the fixing piece. Here, the fixing sleeves symmetrically installed on the outer wall of the annular shell cooperate with the insert rods at the bottom of the connecting plate on the outer wall of the circular frame to provide precise installation positioning for the circular frame and the protective net, ensuring that the protective net can accurately cover the top opening of the annular shell. The protective net inside the circular frame can effectively block external debris from entering the annular shell, protecting the fan blades from damage. The fixing piece, the second spring, and the limiting block in the pre-reserved groove on one side of the insert rod form an elastic limiting structure. During the insertion of the insert rod into the fixing sleeve, the limiting block can retract into the pre-reserved groove without affecting the insertion of the insert rod. After insertion, it can pop out under the action of the second spring to achieve limiting, making the circular frame firmly installed and easy to disassemble.

[0010] Preferably, the insertion rod and the fixing sleeve are slidably connected, and the limiting block and the reserved slot are slidably connected. Here, the sliding connection improves installation efficiency.

[0011] Compared with the prior art, the advantages and positive effects of this utility model are as follows:

[0012] 1. In this utility model, the inclined plates in the ventilation slots on both sides of the tower body, while ensuring air circulation, also block and reflect the noise generated by the falling water and the operation of the equipment, reducing the noise leakage through the ventilation slots. The frame on the outside of the bottom of the tower body cooperates with the sound insulation frame, and the limit post is inserted into the limit hole by the elastic force of the spring, so as to stably install the sound insulation frame, further blocking the noise leakage from the ventilation slots, greatly reducing noise pollution, improving the working environment of operators and the living environment of surrounding residents, and meeting the requirements of modern industrial production for environmental protection and humanized management.

[0013] 2. In this utility model, by installing a protective net and utilizing the fixed structure of the circular frame and the annular shell, the protective net is stably positioned on the top of the annular shell, which can reliably block external debris from entering, prevent debris from contacting the high-speed rotating fan blades and causing damage, ensure the normal operation of the fan blades, reduce equipment failures, and improve the service life and operational stability of the power tower. Attached Figure Description

[0014] Figure 1 This utility model provides an overall structural schematic diagram of a mechanical tower noise reduction structure;

[0015] Figure 2 This utility model provides a cross-sectional structural schematic diagram of a mechanical tower noise reduction structure;

[0016] Figure 3 This utility model proposes a noise reduction structure for a mechanical tower. Figure 2 Enlarged view of point A in the middle;

[0017] Figure 4 An exploded structural diagram of a noise reduction structure for a mechanical tower is provided for this utility model;

[0018] Figure 5 This utility model proposes a noise reduction structure for a mechanical tower. Figure 4 Enlarged view at point B in the middle;

[0019] Figure 6 This utility model provides a partial exploded structural diagram of a noise reduction structure for a mechanical tower.

[0020] Figure 7 This utility model proposes a noise reduction structure for a mechanical tower. Figure 6 Enlarged view of point C in the middle.

[0021] Legend: 1. Tower body; 2. Support leg; 3. Packing layer; 4. Inlet pipe; 5. Sprayer component; 6. Outlet pipe; 7. Ventilation slot; 8. Inclined plate; 9. Annular shell; 10. Mounting bracket; 11. Rotating shaft; 12. Fan blade; 13. Bevel gear one; 14. Motor; 15. Bevel gear two; 16. Frame; 17. Sound insulation frame; 18. Limiting hole; 19. Fixing rod; 20. Round block; 21. Sliding plate; 22. Limiting post; 23. Spring one; 24. Fixing sleeve; 25. Round frame; 26. Protective net; 27. Connecting plate; 28. Insert rod; 29. ​​Reserved slot; 30. Fixing piece; 31. Spring two; 32. Limiting block. Detailed Implementation

[0022] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be further described below with reference to the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0023] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.

[0024] Please see Figures 1-6 This utility model provides a technical solution: a noise reduction structure for a mechanical tower, including a tower body 1, a packing layer 3 fixedly installed inside the tower body 1, a water inlet pipe 4 fixedly installed inside one side of the tower body 1, a spray element 5 fixedly installed at one end of the water inlet pipe 4 near the tower body 1, a water outlet pipe 6 fixedly installed at the bottom of the tower body 1, an annular shell 9 fixedly installed at the top of the tower body 1, a mounting frame 10 fixedly installed inside the annular shell 9, a rotating shaft 11 rotatably connected inside the mounting frame 10, a fan blade 12 fixedly installed at the top of the rotating shaft 11, and a bevel gear 13 fixedly installed at the bottom of the rotating shaft 11. A motor 14 is fixedly installed on the outer wall of the tower body 1. A bevel gear 15 is fixedly installed at the output end of the motor 14. A frame 16 is fixedly installed on the bottom of the tower body 1. A soundproof frame 17 is slidably connected to the top of the frame 16. A limiting hole 18 is opened on one side of the soundproof frame 17 and the frame 16. A fixing rod 19 is fixedly installed on the side of the frame 16 near the limiting hole 18. A round block 20 is fixedly installed on the end of the fixing rod 19 away from the frame 16. A sliding plate 21 is slidably connected to the outer wall of the fixing rod 19. A limiting post 22 is fixedly installed on the inner side of the sliding plate 21. A spring 23 is sleeved on the outer wall of the fixing rod 19.

[0025] like Figure 2As shown, support legs 2 are symmetrically fixedly installed at the bottom of the tower body 1, and ventilation slots 7 are opened through both sides of the tower body 1. Inclined plates 8 are uniformly fixedly installed inside the ventilation slots 7. The support legs 2 symmetrically installed at the bottom of the tower body 1 can provide stable support for the tower body 1. The inclined plates 8 uniformly fixed inside the ventilation slots 7 can block and reflect the noise generated by the falling water flow in multiple ways without obstructing air circulation, thus extending the noise propagation path and reducing the noise leakage intensity.

[0026] like Figure 2-5 As shown, bevel gear 15 meshes with bevel gear 13, and the limiting post 22 is slidably connected with the limiting hole 18. The meshing of bevel gear 15 and bevel gear 13 can efficiently transmit the power output of motor 14 to rotating shaft 11, driving fan blade 12 to rotate stably.

[0027] like Figure 5 As shown, one end of spring 23 is fixedly connected to the sliding plate 21, and the other end of spring 23 is fixedly connected to the round block 20. The fixed connection improves the performance of spring 23.

[0028] like Figure 6-7 As shown, a fixing sleeve 24 is symmetrically fixedly installed on the outer wall of the annular shell 9. A circular frame 25 is installed on the top of the annular shell 9. A protective net 26 is fixedly installed inside the circular frame 25. A connecting plate 27 is symmetrically fixedly installed on the outer wall of the circular frame 25. An insert rod 28 is fixedly installed at the bottom of the connecting plate 27. A reserved groove 29 is opened on one side of the insert rod 28. A fixing piece 30 is fixedly installed inside the reserved groove 29. A spring 31 is fixedly installed on the side of the fixing piece 30 away from the reserved groove 29. A limiting block 32 is fixedly installed at the end of the spring 31 away from the fixing piece 30. The fixing sleeves 24 symmetrically installed on the outer wall of the annular shell 9 and the insert rod 28 at the bottom of the connecting plate 27 on the outer wall of the circular frame 25 are connected. The rod 28 provides precise installation positioning for the circular frame 25 and the protective net 26, ensuring that the protective net 26 can accurately cover the top opening of the annular shell 9. The protective net 26 inside the circular frame 25 can effectively block external debris from entering the annular shell 9 and protect the fan blade 12 from damage. The fixing piece 30, spring 21 and limiting block 32 in the reserved groove 29 on one side of the rod 28 form an elastic limiting structure. During the insertion of the rod 28 into the fixing sleeve 24, the limiting block 32 can retract into the reserved groove 29 without affecting the insertion of the rod 28. After being inserted into place, it can pop out under the action of spring 21 to achieve the limiting, so that the circular frame 25 is firmly installed and easy to disassemble.

[0029] like Figure 6-7 As shown, the insertion rod 28 is slidably connected to the fixing sleeve 24, and the limiting block 32 is slidably connected to the reserved slot 29. The slidable connection improves the installation efficiency.

[0030] The working principle of this embodiment is as follows: In terms of heat dissipation, after the motor 14 is started, its output end drives the second bevel gear 15 to rotate. Since the second bevel gear 15 meshes with the first bevel gear 13, it drives the rotating shaft 11 and the top fan blade 12 to rotate. The rotation of the fan blade 12 promotes air circulation inside the tower body 1. Combined with the distribution of water delivered to the spray element 5 by the water inlet pipe 4 on the packing layer 3, efficient heat exchange between water and air is achieved, completing the heat dissipation process. The water after heat exchange is discharged through the water outlet pipe 6. In terms of noise reduction, the inclined plates 8 evenly arranged in the ventilation slots 7 on both sides of the tower body 1 can not only ensure air circulation to meet the heat dissipation requirements, but also block and reflect the noise generated by the falling water flow, reducing the noise leakage through the ventilation slots 7. At the same time, the frame 16 on the outside of the bottom of the tower body 1 cooperates with the sound insulation frame 17. The limiting post 22 on the inner side of the sliding plate 21 is inserted into the limiting hole 18 under the elastic force of the spring 23, and the sound insulation frame 17 is stably installed on the frame 16, blocking the noise leakage from the ventilation slots 7. When installing the protective net 26, first align the insertion rod 28 at the bottom of the connecting plate 27 on the outer wall of the circular frame 25 and insert it into the fixing sleeve 24. After inserting it a certain distance, press the limiting block 32 to squeeze the second spring 31 and retract it into the reserved groove 29. At this time, the insertion rod 28 can continue to be smoothly inserted into the fixing sleeve 24. When the insertion rod 28 is fully inserted, the second spring 31 rebounds and pushes the limiting block 32 out of the reserved groove 29. The popped-out limiting block 32 fits against the bottom surface of the fixing sleeve 24 to form an effective limit. This limiting action driven by the rebound of the second spring 31 can quickly complete the limiting and fixing of the insertion rod 28 without additional manual operation, and then firmly install the circular frame 25 and the protective net 26 on the top of the annular shell 9. This fixing method is not only easy to operate, but also has a stable connection, which can ensure that the protective net 26 is always in the correct position, reliably blocking external debris and providing continuous protection for the fan blade 12.

[0031] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any other way. Any person skilled in the art may make changes or modifications to the above-disclosed technical content to create equivalent embodiments for application in other fields. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of the present utility model without departing from the technical solution of the present utility model shall still fall within the protection scope of the technical solution of the present utility model.

Claims

1. A machine tower noise reduction structure, comprising a tower body (1), characterized in that: The tower body (1) is internally fitted with a packing layer (3). A water inlet pipe (4) is internally fitted on one side of the tower body (1). A spray nozzle (5) is fixedly fitted at one end of the water inlet pipe (4) near the tower body (1). A water outlet pipe (6) is fixedly fitted at the bottom of the tower body (1). An annular shell (9) is fixedly fitted at the top of the tower body (1). A mounting frame (10) is fixedly fitted inside the annular shell (9). A rotating shaft (11) is rotatably connected inside the mounting frame (10). A fan blade (12) is fixedly fitted at the top of the rotating shaft (11). A bevel gear (13) is fixedly fitted at the bottom of the rotating shaft (11). A motor (14) is fixedly fitted on the outer wall of the annular shell (9). A bevel gear (15) is fixedly installed at the output end of the machine (14). A frame (16) is fixedly installed on the bottom of the tower body (1). A soundproof frame (17) is slidably connected to the top of the frame (16). A limiting hole (18) is opened on one side of the soundproof frame (17) and the frame (16). A fixing rod (19) is fixedly installed on the side of the frame (16) near the limiting hole (18). A round block (20) is fixedly installed on the end of the fixing rod (19) away from the frame (16). A sliding plate (21) is slidably connected to the outer wall of the fixing rod (19). A limiting post (22) is fixedly installed on the inner side of the sliding plate (21). A spring (23) is sleeved on the outer wall of the fixing rod (19).

2. The mechanical tower noise reduction structure according to claim 1, wherein: Support legs (2) are symmetrically fixedly installed at the bottom of the tower body (1), ventilation slots (7) are opened through both sides of the tower body (1), and inclined plates (8) are uniformly fixedly installed inside the ventilation slots (7).

3. The noise reduction structure for the mechanical tower according to claim 1, characterized in that: The second bevel gear (15) meshes with the first bevel gear (13), and the limiting post (22) is slidably connected to the limiting hole (18).

4. The noise reduction structure for the mechanical tower according to claim 1, characterized in that: One end of the spring (23) is fixedly connected to the sliding plate (21), and the other end of the spring (23) is fixedly connected to the round block (20).

5. The noise reduction structure for the mechanical tower according to claim 1, characterized in that: The outer wall of the annular shell (9) is symmetrically fixed with a fixing sleeve (24), a circular frame (25) is installed on the top of the annular shell (9), a protective net (26) is fixedly installed inside the circular frame (25), a connecting plate (27) is symmetrically fixedly installed on the outer wall of the circular frame (25), a plug rod (28) is fixedly installed at the bottom of the connecting plate (27), a reserved groove (29) is opened on one side of the plug rod (28), a fixing piece (30) is fixedly installed inside the reserved groove (29), a spring two (31) is fixedly installed on the side of the fixing piece (30) away from the reserved groove (29), and a limiting block (32) is fixedly installed at the end of the spring two (31) away from the fixing piece (30).

6. The noise reduction structure for the mechanical tower according to claim 5, characterized in that: The insertion rod (28) is slidably connected to the fixing sleeve (24), and the limiting block (32) is slidably connected to the reserved groove (29).