Anti-deformation efficient cooling tower fan blade
By using the FRP (fiberglass reinforced plastic) high-grade epoxy resin composite rigid plastic to make the fan blade body, combined with aerodynamic design and anchor bolt connection, the problems of heavy weight and high wear of metal fan blades are solved, and efficient, stable and quiet operation of cooling tower fan blades is achieved.
Patent Information
- Application Number
- CN202520243448.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-17
- Publication Date
- 2025-12-23
- Estimated Expiration
- 2035-02-17
AI Technical Summary
Conventional cooling tower fan blades are made of metal, resulting in a large weight, easy structural deformation, increased wear, and high operating costs.
The main body of the fan blade is made of FRP high-grade epoxy resin glass fiber composite hard plastic. Combined with aerodynamic design, it is equipped with noise reduction structure and wear-resistant coating. It is connected to the hub using anchor bolt structure and heat dissipation plate is added to improve stability and reduce wear.
This design achieves lightweight fan blades, reduces wear on the motor and gears, improves operational stability and noise reduction, and reduces maintenance costs.
Smart Images

Figure CN223708032U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to cooling tower fan blade technical field, concretely is a kind of high-efficiency cooling tower fan blade of anti-deformation. BACKGROUND
[0002] Cooling tower fan blade is the important component in cooling tower, mainly for increasing airflow and water tower contact area, promote the evaporation of water and heat dissipation, to realize cooling effect.Fan blade is usually called fan blade, water spraying blade or rain shower blade.
[0003] Conventional cooling tower fan blade is made of metal material, its dead weight is relatively large, it is easy to cause its structural deformation, meanwhile, it can also make the wear of motor, gear drive to bear relatively large, cause the wear between structures to increase, need regular maintenance, increase operating cost.
[0004] Therefore, in view of the above, the existing structure and the lack are improved, and a kind to be provided high-efficiency cooling tower fan blade of anti-deformation. INVENTION CONTENTS
[0005] The utility model aims at providing a kind of high-efficiency cooling tower fan blade of anti-deformation, to solve the problems presented in the above background.
[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of high-efficiency cooling tower fan blade of anti-deformation, including hub structure and fan blade structure, the side of the hub structure is provided with fan blade structure, and the end of fan blade structure close to hub structure is provided with the interface seat structure, and anchor bolt structure is installed between the interface seat structure and hub structure, the fan blade structure includes fan blade main body, support pile and noise reduction structure, the end of the fan blade main body close to interface seat structure is horizontally provided with support pile, and the side surface of fan blade main body is provided with noise reduction structure.
[0007] Further, the hub structure includes hub main body, heat sink and interface wheel plate, the upper and lower sides of the hub main body are both installed with heat sink, and the side, away from the hub main body of heat sink, is installed with interface wheel plate.
[0008] Further, the hub structure further includes transmission connecting shaft and wear-resistant coating, the shaft center of the interface wheel plate is vertically installed with transmission connecting shaft, and the surface of the hub main body and heat sink is all sprayed with wear-resistant coating.
[0009] Further, the heat sink and interface wheel plate are fixed, and transmission connecting shaft is vertically penetrated in the shaft center of hub main body, heat sink and interface wheel plate.
[0010] Further, the fan blade body and the supporting pile are arranged in an integrated structure, the fan blade body is arranged in a circular array structure with the wheel hub structure as the center, six groups of the fan blade body are arranged, and the fan blade body is made of FRP high-grade epoxy resin glass fiber composite hard plastic.
[0011] Further, the adapter seat structure comprises a main seat body, assembling piles and limiting structures, three groups of the assembling piles are symmetrically arranged at the left and right ends of the side of the main seat body close to the fan blade structure, and the limiting structures are symmetrically arranged at the upper and lower parts of the middle of the side of the main seat body close to the wheel hub structure.
[0012] Further, the main seat body, the assembling piles and the limiting structures are arranged in an integrated structure, and the anchor bolt structure penetrates the interiors of the assembling piles horizontally.
[0013] Further, the side edge of the wheel hub structure is provided with groove structures matched with the surface structures of the limiting structures, and the side edge of the wheel hub structure is provided with mounting hole structures matched with the surface structures of the anchor bolt structures, and the fan blade structure and the adapter seat structure are fixedly connected.
[0014] The utility model provides a kind of high-efficiency cooling tower fan blade of deformation prevention, with the following beneficial effects:
[0015] 1, the utility model, wherein fan blade body is made of FRP high-grade epoxy resin glass fiber composite hard plastic, since this material is a kind of high-performance composite material, mainly by glass fiber and epoxy resin etc. matrix material is made by certain process, it has high strength, corrosion resistance, lightweight, plasticity, fatigue resistance and other material properties, so that the whole fan blade body can be designed using aerodynamics principle, improve the lift-drag ratio of blade, improve overall efficiency, while the overall structure can be lightweight, so that weight is concentrated in the center of fan, reduce the wear and tear that motor and gear drive bear, so as to guarantee the operation stability of device overall, while the side surface of fan blade body is provided with noise reduction structure, wherein noise reduction structure uses non-echo material, to ensure that fan blade body can maintain enough quietness in the process of operation, to better protect the ecological system around device, in addition, the surface of fan blade body is designed based on high polishing, so that the surface of fan blade body reduces surface friction, strict quality control ensures absolute uniformity and accuracy, so that impeller balance is good.
[0016] 2. The utility model, through setting up the link seat structure in the fan blade structure one end, wherein through setting up the groove structure that is matched with the surface structure of limiting structure on the side of wheel hub structure, can embed the side of wheel hub structure to fan blade structure once, cooperate the connection fixedness of anchor bolt structure, can ensure that the structure stability and firmness that links between wheel hub structure and fan blade structure, above-mentioned modular structure also makes the structure split nature of relative convenience between structures, convenient device maintenance operation, in addition, the overall structure size of wheel hub structure is reduced to a certain extent compared with conventional structure, the heat dissipation plate is provided with on the upper and lower sides of wheel hub main part, this can minimize the loss of air circulation and increase the cooling area, and further ensure the operation stability of device structure, in addition, the wear -resisting coating that wheel hub main part, heat dissipation plate surface sprays is also to a certain extent reduce the damage that wheel hub structure's surface suffers under high -speed operation, reduces device's maintenance operation and maintenance cost. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 It is the body shaft side view structure schematic diagram of the utility model of a kind of anti-deformation high-efficiency cooling tower fan blade;
[0018] Figure 2 It is the wheel hub structure structure schematic diagram of the utility model of a kind of anti-deformation high-efficiency cooling tower fan blade;
[0019] Figure 3 It is the fan blade structure three-dimensional structure schematic diagram of the utility model of a kind of anti-deformation high-efficiency cooling tower fan blade;
[0020] Figure 4 It is the link seat structure three-dimensional structure schematic diagram of the utility model of a kind of anti-deformation high-efficiency cooling tower fan blade.
[0021] In the drawing: 1, wheel hub structure;101, wheel hub main part;102, heat dissipation plate;103, link wheel plate;104, transmission connecting shaft;105, wear -resisting coating;2, fan blade structure;201, fan blade main body;202, support pile;203, noise reduction structure;3, link seat structure;301, main seat body;302, assembly pile;303, limiting structure;4, anchor bolt structure. DETAILED DESCRIPTION
[0022] The embodiment of the utility model is further described in detail below in combination with the drawings and examples. The following examples are used to illustrate the utility model, but cannot be used to limit the scope of the utility model.
[0023] As Figures 1 to 4As shown, an anti-deformation high-efficiency cooling tower fan blade comprises a hub structure 1 and a fan blade structure 2, the side of the hub structure 1 is provided with the fan blade structure 2, and the end of the fan blade structure 2 close to the hub structure 1 is provided with an adapter seat structure 3, and an anchor bolt structure 4 is installed between the adapter seat structure 3 and the hub structure 1. The fan blade structure 2 comprises a fan blade body 201, a support pile 202 and a noise reduction structure 203, the end of the fan blade body 201 close to the adapter seat structure 3 is horizontally provided with the support pile 202, and the side surface of the fan blade body 201 is provided with the noise reduction structure 203, the fan blade body 201 and the support pile 202 are arranged in an integrated structure, the fan blade body 201 is arranged in a circular array structure with the hub structure 1 as the center and is provided with six groups, and the fan blade body 201 is made of FRP advanced epoxy resin glass fiber composite hard plastic. The fan blade body 201 is made of FRP advanced epoxy resin glass fiber composite hard plastic, so that the entire fan blade body 201 can be designed according to the principle of aerodynamics, the lift-drag ratio of the blade is improved, the overall efficiency is improved, and the overall structure can be lightweighted.
[0024] As shown, Figures 1 to 4 The hub structure 1 comprises a hub body 101, a heat dissipation plate 102 and an adapter wheel plate 103, the upper and lower sides of the hub body 101 are both installed with the heat dissipation plate 102, and the side away from the hub body 101 of the heat dissipation plate 102 is installed with the adapter wheel plate 103. The hub structure 1 further comprises a transmission connecting shaft 104 and a wear-resistant coating 105, the shaft center of the adapter wheel plate 103 is vertically installed with the transmission connecting shaft 104, and the surfaces of the hub body 101 and the heat dissipation plate 102 are both sprayed with the wear-resistant coating 105. The heat dissipation plate 102 and the adapter wheel plate 103 are fixed, and the transmission connecting shaft 104 vertically penetrates the shaft centers of the hub body 101, the heat dissipation plate 102 and the adapter wheel plate 103. The adapter seat structure 3 comprises a main seat body 301, an assembly pile 302 and a limiting structure 303, three groups of assembly piles 302 are symmetrically arranged at the left and right ends of the side of the main seat body 301 close to the fan blade structure 2, and the limiting structure 303 is symmetrically arranged on the upper and lower sides of the middle part of the side of the main seat body 301 close to the hub structure 1. The main seat body 301, the assembly pile 302 and the limiting structure 303 are arranged in an integrated structure, and the anchor bolt structure 4 horizontally penetrates the inside of the assembly pile 302. The side of the hub structure 1 is provided with a groove structure matched with the surface structure of the limiting structure 303, and the side of the hub structure 1 is provided with an installation hole structure matched with the surface structure of the anchor bolt structure 4. The fan blade structure 2 and the adapter seat structure 3 are fixedly connected, wherein the groove structure matched with the surface structure of the limiting structure 303 is arranged on the side of the hub structure 1, so that the fan blade structure 2 can be embedded in the side of the hub structure 1 at one time, and the connection and fixation of the anchor bolt structure 4 are matched, so as to ensure the structural stability and firmness of the connection between the hub structure 1 and the fan blade structure 2.
[0025] In summary, as Figures 1 to 4 As shown, when using this deformation-resistant high-efficiency cooling tower fan blade, firstly, the fan blade structure 2 is connected to the side of the hub structure 1 by the connecting seat structure 3 at one end, and the main seat body 301 with the limit structure 303 is embedded between the hub body 101 and the heat dissipation plate 102. Then, the anchor bolt structure 4 is used to pass through the assembly pile 302, thereby connecting and fixing the entire connecting seat structure 3 and the hub structure 1 to each other to ensure the structural stability of the fan blade structure 2.
[0026] The structure of connecting wheel plate 103 and transmission connecting shaft 104 can then be used and combined with the power output end of the motor to ensure that the fan blade structure 2 around the hub structure 1 can be driven to rotate at high speed.
[0027] During the operation of the device, the main body of the wind turbine 201 is designed using aerodynamic principles, focusing on improving the lift-to-drag ratio of the blades, thereby increasing the overall efficiency to 86%-90%. At the same time, the main body of the wind turbine 201 is made of FRP high-grade epoxy resin glass fiber composite hard plastic, whose properties are close to carbon fiber, ensuring no deformation for 10 years.
[0028] The weight of the fan blade structure 2 is only one-third that of a metal impeller of the same size, and the weight is concentrated in the center of the fan, reducing the wear on the motor and gears. In order to minimize the loss of air circulation, the diameter of the hub structure 1 is reduced while the cooling area is increased by using the heat sink 102.
[0029] Because the noise reduction structure 203 on the side of the blade body 201 uses an echo-free material, it ensures quiet operation and better protects the ecosystem. This achieves a noise level of less than 85 dB at a blade tip speed of 41 m / sec to 90 m / sec. The design of the blade body 201 is based on a highly polished impeller surface to reduce surface friction. Strict quality control ensures absolute uniformity and precision, making the blade structure 2 and hub structure 1 well balanced during rotation.
[0030] The embodiments of this utility model are given for illustrative and descriptive purposes only, and are not intended to be exhaustive or to limit the utility model to the forms disclosed. Many modifications and variations will be apparent to those skilled in the art. The embodiments were chosen and described in order to better illustrate the principles and practical applications of this utility model, and to enable those skilled in the art to understand this utility model and design various embodiments with various modifications suitable for a particular purpose.
Claims
1. A high efficiency cooling tower impeller blade with anti-deformation, comprising a hub structure (1) and an impeller blade structure (2), characterized in that: The side of the hub structure (1) is provided with a fan blade structure (2), and the fan blade structure (2) is provided with an adapter seat structure (3) near one end of the hub structure (1), and an anchor bolt structure (4) is installed between the adapter seat structure (3) and the hub structure (1), the fan blade structure (2) comprises a fan blade body (201), a support pile (202) and a noise reduction structure (203), the support pile (202) is horizontally provided at one end of the fan blade body (201) close to the adapter seat structure (3), and the side surface of the fan blade body (201) is provided with the noise reduction structure (203).
2. A deformation-proof high-efficiency cooling tower fan blade according to claim 1, characterized in that, The hub structure (1) comprises a hub body (101), a heat dissipation plate (102) and an adapter wheel plate (103), the upper and lower sides of the hub body (101) are both provided with the heat dissipation plate (102), and the side of the heat dissipation plate (102) away from the hub body (101) is provided with the adapter wheel plate (103).
3. A deformation-proof high-efficiency cooling tower fan blade according to claim 2, characterized in that, The hub structure (1) further comprises a transmission connecting shaft (104) and a wear-resistant coating (105), the transmission connecting shaft (104) is vertically installed at the shaft center of the adapter wheel plate (103), and the surfaces of the hub body (101) and the heat dissipation plate (102) are both sprayed with the wear-resistant coating (105).
4. The deformation-proof high-efficiency cooling tower fan blade according to claim 3, characterized in that, The heat dissipation plate (102) and the adapter wheel plate (103) are fixed, and the transmission connecting shaft (104) vertically penetrates the shaft centers of the hub body (101), the heat dissipation plate (102) and the adapter wheel plate (103).
5. The deformation-proof high-efficiency cooling tower fan blade according to claim 1, characterized in that, The fan blade body (201) and the support pile (202) are provided in an integral structure, the fan blade body (201) is arranged in a ring array structure with the hub structure (1) as the center and is provided with six groups, and the fan blade body (201) is made of FRP high-grade epoxy resin glass fiber composite hard plastic.
6. The deformation resistant, high efficiency cooling tower impeller of claim 1 wherein, The adapter seat structure (3) comprises a main seat body (301), an assembly pile (302) and a limiting structure (303), three groups of assembly piles (302) are symmetrically arranged at the left and right ends of the side of the main seat body (301) close to the fan blade structure (2), and the limiting structure (303) is symmetrically arranged on the upper and lower sides of the middle of the side of the main seat body (301) close to the hub structure (1).
7. A deformation-proof, high-efficiency cooling tower fan blade according to claim 6, characterized in that, The main seat body (301), the assembly pile (302) and the limiting structure (303) are provided in an integral structure, and the anchor bolt structure (4) horizontally penetrates the inside of the assembly pile (302).
8. A deformation-proof high-efficiency cooling tower fan blade according to claim 7, characterized in that, The side of the hub structure (1) is provided with a groove structure matched with the surface structure of the limiting structure (303), and the side of the hub structure (1) is provided with a mounting hole structure matched with the surface structure of the anchor bolt structure (4), and the fan blade structure (2) and the adapter seat structure (3) are fixedly connected.