Cooling tower overhead protection structure

CN224838537UActive Publication Date: 2026-10-09HELAN REFRIGERATION TECH (JIANGSU) CO LTD
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Patent Information

Application Number
CN202521764909.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-08-19
Publication Date
2026-10-09
Estimated Expiration
2035-08-19

AI Technical Summary

Technical Problem

[0004]本实用新型的目的是解决现有冷却塔顶部风机的上方未设置防护结构,风机的驱动源部分直接裸露在外侧,经长时间使用后易磨损缩短使用寿命的问题,而提出的一种冷却塔塔顶防护结构

Benefits of technology

1.本实用新型中,在使用中,通过塔体侧壁安装的连接管向塔体底部输送低温水,与喷淋管喷出的高温工业废水形成热交换,进一步提高了冷却效率。同时,塔体右侧壁上设置的检修口便于对塔体内部进行维护和检修,检修口上可拆卸安装的盖板则保证了塔体的密封性,相比常规塔体顶部未安装防护结构的情况下,本实用新型采用的技术方案可对电机以及相关组件进行有效保护,整体结构紧凑,空间布局合理,便于安装维护,解决了现有冷却塔顶部风机的上方未设置防护结构,风机的驱动源部分直接裸露在外侧,经长时间使用后易磨损缩短使用寿命的问题。

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Abstract

The utility model provides a cooling tower top protection structure relates to cooling tower auxiliary device technical field, aims at solving the above -mentioned cooling tower top fan's above does not set up the protection structure, the driving source part of fan is directly exposed outside, is easy to wear and shorten the service life after long time use, including the tower body, the top of tower body is provided with the opening, installs the support through fastener in opening position department, the support installs the motor, the output of motor installs rotatable fan blade, the below installation of fan blade in tower body is equipped with the spray pipe, the bottom of spray pipe is evenly distributed with a plurality of groups of sprayer, the spray pipe is transported high temperature industrial waste water by the auxiliary pipe, the left side wall of tower body is equipped with the air inlet, the bottom of tower body is equipped with the discharge pipe.
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Description

Technical Field

[0001] This utility model relates to the field of cooling tower auxiliary device technology, and in particular to a cooling tower top protection structure. Background Technology

[0002] Cooling towers are key pieces of equipment used in industrial and civil applications to reduce the temperature of circulating water. They dissipate heat through heat exchange between water and air and are widely used in industries such as power, chemical, metallurgy, and air conditioning / refrigeration. Their core function is to maintain a stable temperature in the circulating water system, ensuring efficient equipment operation and extending its service life.

[0003] The existing cooling towers lack a protective structure above the top fan, leaving the fan's drive source directly exposed. This leads to wear and tear and a shortened lifespan after prolonged use. Therefore, designing a protective structure for the top of the cooling tower to address these technical issues is of paramount importance. Utility Model Content

[0004] The purpose of this utility model is to solve the problem that the top of the existing cooling tower fan does not have a protective structure, and the drive source of the fan is directly exposed on the outside, which is prone to wear and shortens its service life after long-term use. Therefore, a protective structure for the top of the cooling tower is proposed.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: a cooling tower top protection structure, comprising a tower body, an opening at the top of the tower body, a bracket installed at the opening by fasteners, a motor installed on the bracket, a rotatable fan blade installed at the output end of the motor, a spray pipe installed below the fan blade in the tower body, multiple sets of nozzles evenly distributed at the bottom of the spray pipe, high-temperature industrial wastewater being transported by an auxiliary pipe from the spray pipe, an air inlet installed on the left side wall of the tower body, a discharge pipe installed at the bottom of the tower body, a protective net frame installed at the top of the tower body, columns evenly distributed at the bottom of the protective net frame, and an auxiliary plate fixedly connected to the bottom of the columns.

[0006] Preferably, the auxiliary plate is detachably connected to the tower body by bolts, and the protective net frame adopts a hyperboloid arc structure design.

[0007] Preferably, the protective mesh frame is of the Kelvin type or triangular pyramid shape, and a space is left between the protective mesh frame and the top of the tower body to facilitate the discharge of high-temperature water vapor.

[0008] Preferably, the column is made of 6061-T6 material, which reduces its weight compared to concrete.

[0009] Preferably, a connecting pipe is installed on the side wall of the tower body, and the connecting pipe delivers low-temperature water to the bottom of the tower body. An inspection port is provided on the right side wall of the tower body, and a cover plate is detachably installed on the inspection port.

[0010] Preferably, a shut-off valve is installed at the bottom of the discharge pipe.

[0011] Compared with the prior art, the advantages and positive effects of this utility model are as follows: 1. In this utility model, during use, low-temperature water is supplied to the bottom of the tower through a connecting pipe installed on the side wall of the tower body, forming a heat exchange with the high-temperature industrial wastewater sprayed from the spray pipe, further improving the cooling efficiency. Simultaneously, the inspection port on the right side wall of the tower body facilitates maintenance and repair of the tower's interior. The detachable cover plate on the inspection port ensures the tower's airtightness. Compared to conventional towers without a protective structure at the top, the technical solution adopted in this utility model effectively protects the motor and related components. The overall structure is compact, the spatial layout is reasonable, and installation and maintenance are convenient. It solves the problem that existing cooling towers lack a protective structure above the top fan, leaving the fan's drive source directly exposed, which is prone to wear and tear and shortens its service life after prolonged use.

[0012] 2. In this utility model, the protective mesh frame structure installed on the top of the tower, combined with the columns and auxiliary plates, effectively protects the top fan and its drive source. This structural design not only prevents the fan and its drive source from being exposed to the external environment for extended periods, but also significantly extends the service life of the equipment. Simultaneously, the hyperboloid arc structure, Kevlar type, or triangular pyramid design of the protective mesh frame enhances structural stability while ensuring smooth airflow, facilitating the discharge of high-temperature water vapor and thus improving cooling efficiency. Furthermore, the columns are made of 6061-T6 material, which significantly reduces weight compared to traditional concrete, making the installation and maintenance of the entire protective structure more convenient. These design features collectively constitute the significant advantages of this utility model, enabling the cooling tower top protective structure to exhibit superior performance in practical applications. Attached Figure Description

[0013] Figure 1 This is an overall view of the cooling tower top protection structure of this utility model; Figure 2 This is a bottom view of a partial structure of the protective mesh frame in the cooling tower top protective structure of this utility model; Figure 3 This is a top view of a portion of the support structure and motor in the cooling tower top protection structure of this utility model.

[0014] Legend: 1. Tower body; 101. Support; 102. Fastener; 103. Motor; 104. Fan blade; 105. Air inlet; 2. Spray pipe; 201. Auxiliary pipe; 202. Sprayer head; 3. Discharge pipe; 301. Shut-off valve; 4. Protective net frame; 401. Column; 402. Auxiliary plate; 403. Bolt; 5. Connecting pipe; 6. Inspection port; 601. Cover plate. Detailed Implementation

[0015] 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.

[0016] 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.

[0017] This utility model provides a cooling tower top protection structure, including a tower body 1. The top of the tower body 1 has an opening, and a bracket 101 is installed at the opening via fasteners 102. A motor 103 is mounted on the bracket 101, and a rotatable fan blade 104 is installed at the output end of the motor 103. A spray pipe 2 is installed below the fan blade 104 in the tower body 1. Multiple sets of nozzles 202 are evenly distributed at the bottom of the spray pipe 2. High-temperature industrial wastewater is transported to the spray pipe 2 via an auxiliary pipe 201. An air inlet 105 is installed on the left side wall of the tower body 1, and a discharge pipe 3 is installed at the bottom of the tower body 1. A shut-off valve is installed at the bottom of the discharge pipe 3. 301. A protective mesh frame 4 is installed on the top of the tower body 1. Columns 401 are evenly distributed at the bottom of the protective mesh frame 4. An auxiliary plate 402 is fixedly connected to the bottom of each column 401. The auxiliary plate 402 is detachably connected to the tower body 1 by bolts 403. The protective mesh frame 4 adopts a hyperboloid arc structure design. The protective mesh frame 4 is either a Kevlar type or a triangular pyramid shape. A space is left between the protective mesh frame 4 and the top of the tower body 1 to facilitate the discharge of high-temperature water vapor. The protective mesh frame 4 installed on the top of the tower body 1 effectively protects the top fan and its drive source, avoiding wear after prolonged use and thus extending the service life of the equipment. Simultaneously, the design of the protective mesh frame 4, using a hyperboloid arc structure, Kevlar type, or triangular pyramid shape, not only enhances the structural stability but also ensures air circulation, facilitating the discharge of high-temperature water vapor and improving cooling efficiency. Furthermore, the columns 401 are made of 6061-T6 material, which significantly reduces weight compared to traditional concrete materials, facilitating installation and maintenance. These design features together constitute the advantages of this utility model. In actual use, the cooling tower top protective structure has a protective mesh frame 4 installed at the top of the tower body 1 above the support 101. A column 401 is installed at the bottom of the protective mesh frame 4. The column 401 is installed on the top of the tower body 1 with an auxiliary plate 402 and bolts 403. The protective mesh frame 4 is designed with a hyperboloid arc structure, a Kevlar type, or a triangular pyramid shape, which not only enhances the stability of the structure but also ensures airflow, facilitates the discharge of high-temperature water vapor, and improves cooling efficiency. It forms effective protection above the support 101, reducing the entry of foreign objects into the support 101, reducing the probability of wear on the motor 103, and extending the service life of the motor 103. Low-temperature water is supplied to the bottom of the tower body 1 through the connecting pipe 5 installed on the side wall of the tower body 1, forming a heat exchange with the high-temperature industrial wastewater sprayed from the spray pipe 2, further improving cooling efficiency. Meanwhile, the inspection port 6 set on the right side wall of the tower body 1 facilitates the maintenance and repair of the interior of the tower body 1. The detachable cover plate 601 on the inspection port 6 ensures the airtightness of the tower body 1. Compared with the conventional tower body 1 without a protective structure installed on the top, the technical solution adopted by this utility model can effectively protect the motor 103 and related components. The overall structure is compact, the spatial layout is reasonable, and it is easy to install and maintain.

[0018] Example 1 like Figure 1-3 As shown, the column 401 is made of 6061-T6 material, which is lighter than concrete. A connecting pipe 5 is installed on the side wall of the tower body 1, which supplies low-temperature water to the bottom of the tower body 1. An inspection port 6 is provided on the right side wall of the tower body 1, and a cover plate 601 is detachably installed on the inspection port 6. The overall effect of Embodiment 1 is that, during use, the protective mesh frame 4 structure installed on the top of the tower body 1, combined with the columns 401 and auxiliary plates 402, effectively protects the top fan and its drive source. This structural design not only avoids wear and tear on the fan and its drive source due to prolonged exposure to the external environment, but also significantly extends the service life of the equipment. Simultaneously, the hyperboloid arc structure, Kevlar type, or triangular pyramid design of the protective mesh frame 4 enhances structural stability while ensuring smooth airflow, facilitating the discharge of high-temperature water vapor and thus improving cooling efficiency. Furthermore, the columns 401 are made of 6061-T6 material, which significantly reduces weight compared to traditional concrete, making the installation and maintenance of the entire protective structure more convenient. These design features collectively constitute the significant advantages of this invention, enabling the cooling tower top protective structure to exhibit superior performance in practical applications.

[0019] Working principle: A protective mesh structure is installed at the top of the tower, above the support frame. A column structure is installed at the bottom of the protective mesh frame. The columns are installed on the top of the tower with auxiliary plates and bolts. The design of the protective mesh frame adopts a hyperboloid arc structure, a Kelvin type, or a triangular pyramid shape, which not only enhances the stability of the structure but also ensures air circulation, facilitates the discharge of high-temperature water vapor, improves cooling efficiency, and forms effective protection above the support frame, reducing the entry of foreign objects into the support frame, reducing the probability of motor wear, and extending the service life of the motor.

Claims

1. A cooling tower top protection structure, comprising a tower body (1), wherein the top of the tower body (1) is provided with an opening, and a bracket (101) is installed at the opening by fasteners (102), a motor (103) is installed on the bracket (101), and a rotatable fan blade (104) is installed at the output end of the motor (103), characterized in that, A spray pipe (2) is installed below the fan blade (104) in the tower body (1). Multiple sets of nozzles (202) are evenly distributed at the bottom of the spray pipe (2). The spray pipe (2) is transported by an auxiliary pipe (201) to transport high-temperature industrial wastewater. An air inlet (105) is installed on the left side wall of the tower body (1). A discharge pipe (3) is installed at the bottom of the tower body (1). A protective net frame (4) is installed on the top of the tower body (1). Columns (401) are evenly distributed at the bottom of the protective net frame (4). An auxiliary plate (402) is fixedly connected to the bottom of the column (401).

2. The cooling tower top protection structure according to claim 1, characterized in that, The auxiliary plate (402) is detachably connected to the tower body (1) by bolts (403), and the protective net frame (4) adopts a hyperboloid arc structure design.

3. The cooling tower top protection structure according to claim 1, characterized in that, The protective net frame (4) adopts the Kelvin type or triangular pyramid shape, and there is a space between the protective net frame (4) and the top of the tower body (1) to facilitate the discharge of high temperature water vapor.

4. The cooling tower top protection structure according to claim 1, characterized in that, The column (401) is made of 6061-T6 material, which reduces its weight compared to concrete.

5. The cooling tower top protection structure according to claim 1, characterized in that, A connecting pipe (5) is installed on the side wall of the tower body (1), and the connecting pipe (5) delivers low temperature water to the bottom of the tower body (1). An inspection port (6) is provided on the right side wall of the tower body (1), and a cover plate (601) is detachably installed on the inspection port (6).

6. The cooling tower top protection structure according to claim 1, characterized in that, A shut-off valve (301) is installed at the bottom of the discharge pipe (3).