Energy-saving type industrial cooling tower fan magnetic suspension driving structure

Abstract

The utility model discloses an energy-saving type industrial cooling tower fan magnetic suspension driving structure which comprises an air duct, a fan and a water turbine are arranged in the air duct, a cover plate upper support seat is arranged above the water turbine, a motor is arranged on the top face of the cover plate upper support seat, and a round magnetic pole lifting adjusting support is arranged at the position of the motor. A permanent magnet anode is embedded in the upper portion of the circular magnetic pole lifting adjusting support. According to the utility model, the structural design is optimized, the dual-function direct-driven hydraulic machine is provided with the dual-purpose motor, and the output shaft of the hydraulic machine is also a motor shaft and is used as a motor when power is required to be supplemented, and a rotor on the shaft rotates along with the power when power is not required to be supplemented, so that electric energy feedback can be generated to be used as a generator; and in order to reduce the axial force in the operation of the large fan, the permanent magnet suspension technology is adopted, and the axial force is reduced by utilizing the permanent magnet repulsive force characteristic, so that the required power can be reduced, the bearing abrasion can be reduced, and the stability of the production quality is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to industrial energy -conserving technical field, concretely is a kind of energy -conserving industrial cooling tower fan magnetic suspension driving structure. BACKGROUND

[0002] Industrial cooling tower is a device that enterprise carries out cooling to circulating water, and the cooling water in the pool under the tower is sent to production heat exchanger by water pump, and the excess heat is exchanged, and the hot water after exchange returns to the cooling tower under the action of pump pressure and potential energy, and the water is made to fall from the filler to the pool from top to bottom by spraying, the upper part of most of the cooling towers in China is driven by motor to produce air volume, and the air volume is sucked from the lower part of the cooling tower upward, and the falling hot water forms a heat exchange process at the filler. The water body used in circulation always maintains mass force and pressure. Mass force is used as heat exchange carrier, and pressure is used to ensure the design flow rate in heat exchanger. Low flow rate is easy to form scale body of calcium and magnesium ions in heat exchanger, so as to reduce the heat exchange efficiency of heat exchanger and increase corrosion rate. The height of industrial heat exchanger is generally higher than that of cooling tower due to process requirements, and the potential energy of the water formed after passing through the heat exchanger. These forces are applied to the return flow together. At present, most of these mass forces are not utilized,

[0003] In the prior art, the water turbine is used to recover mass force and convert power to replace the motor to do work. In actual use of the cooling tower, the size and fluctuation of the circulating water mass force will affect the output power of the water turbine to reach the rated operating speed, so that the application of the water turbine on the cooling tower is limited. UTILITY MODEL CONTENTS

[0004] Therefore, the utility model aims at providing a kind of energy -conserving industrial cooling tower fan magnetic suspension driving structure, and the structure is optimized, and dual-function direct-drive type hydraulic machinery is configured with dual-purpose motor, power is supplied as motor intervention when power supplement is needed, and rotor is rotated when power supplement is not needed, electric energy feedback can be generated as generator is used, and permanent magnetic suspension technology is used to reduce axial force in the operation of large fan, and permanent magnetic repulsion characteristics are used to reduce axial force, so that the required power can be reduced, and bearing wear can be reduced, and the stability of production quality is ensured.

[0005] To solve the above technical problems, according to one aspect of the utility model, the utility model provides the following technical scheme: an energy -conserving industrial cooling tower fan magnetic suspension driving structure, including wind cylinder, its characterized in that, the wind cylinder is provided with fan and water turbine, the upper portion of water turbine is provided with cover plate upper support seat, and the top surface of cover plate upper support seat is provided with motor, the motor is provided with circular magnetic pole lifting adjusting support, the lower end surface of fan wheel disc is provided with magnetic pole negative pole, and the upper portion of circular magnetic pole lifting adjusting support is embedded with permanent magnetic pole positive pole.

[0006] As a preferred scheme of the energy-saving industrial cooling tower fan magnetic suspension driving structure, the bottom surface of the circular magnetic pole lifting adjusting support is provided with an adjusting lifting threaded rod.

[0007] The adjusting lifting threaded rod is symmetrically provided with four.

[0008] As a preferred scheme of the energy-saving industrial cooling tower fan magnetic suspension driving structure, the motor is a double-output shaft, the lower shaft end is connected with the water turbine runner, and the upper shaft end is connected with the fan hub.

[0009] As a preferred scheme of the energy-saving industrial cooling tower fan magnetic suspension driving structure, the water turbine comprises a side water inlet and a lower water outlet.

[0010] The circulating return hot water from the outside enters the water turbine through the water inlet.

[0011] As a preferred scheme of the energy-saving industrial cooling tower fan magnetic suspension driving structure, the top surface of the circular magnetic pole lifting adjusting support is provided with an annular groove, and the permanent magnetic positive pole is arranged in the annular groove.

[0012] As a preferred scheme of the energy-saving industrial cooling tower fan magnetic suspension driving structure, the lower part of the annular groove plate is provided with four adjusting lifting threaded rods, the lower end of the adjusting lifting threaded rod penetrates through the circular magnetic pole lifting adjusting support, the rotation of the adjusting lifting threaded rod drives the permanent magnetic positive pole to lift and adjust the repulsion.

[0013] Compared with the prior art, the energy-saving industrial cooling tower fan magnetic suspension driving structure has the following advantages:

[0014] The structure is optimized, the dual-function direct-drive hydraulic machine is configured with a dual-purpose motor, power is supplied as a motor is intervened when power supplement is needed, the rotor can rotate when power supplement is not needed, electric energy feedback is generated as a generator is used, the permanent magnetic suspension technology is used to reduce the axial force in the operation of the large fan, the axial force is reduced by the permanent magnetic repulsion characteristics, the required power is reduced, the bearing wear is reduced, and the stability of production quality is ensured.

[0015] In specific use, the circulating backstroke hot water is introduced into the cooling tower wind pipe and the water turbine inlet, enters into the water turbine, the motor is double output shaft, the lower shaft is connected with the water turbine runner, the upper shaft is connected with the fan hub, when the power compensation is not needed, the rotor on the motor shaft rotates with the water turbine runner, the magnetic force line is cut, the electric current is generated in the stator winding, the electric energy is fed back, the magnetic pole negative pole is arranged at the lower part of the fan, the other permanent magnetic pole positive pole is arranged at the upper part of the circular magnetic pole lifting adjusting support, the two magnetic poles cooperate with each other, the magnetic field force is used to reduce the mass force of the fan and the hub, the fan rotates in the near suspension state, the power required by the fan is reduced, and the bearing load and friction are reduced. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the present application will be described in detail below in conjunction with the drawings and detailed embodiments. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor. Among them:

[0017] Figure 1 is a structural diagram of the present application;

[0018] Figure 2 is a position structure diagram of the circular magnetic pole lifting adjusting support of the present application;

[0019] Figure 3 is a structure diagram of the circular magnetic pole lifting adjusting support of the present application;

[0020] Figure 4 is a structure diagram of the magnetic pole negative pole of the present application.

[0021] In the figure: 1, wind pipe; 2, fan; 3, water turbine; 4, cover plate upper support seat; 5, motor; 6, circular magnetic pole lifting adjusting support; 7, magnetic pole negative pole; 8, permanent magnetic pole positive pole; 9, adjusting lifting threaded rod; 10, annular groove. DETAILED DESCRIPTION

[0022] In order to make the above-mentioned purpose, features and advantages of the present application more obvious and easy to understand, the specific embodiments of the present application will be described in detail below in conjunction with the drawings.

[0023] In the following description, many specific details are set forth in order to provide a thorough understanding of the present application, but the present application can also be implemented in other ways different from those described herein, and those skilled in the art can make similar generalizations without departing from the connotation of the present application, therefore the present application is not limited by the specific embodiments disclosed below.

[0024] Second, the utility model in combination with the schematic diagram is described in detail, in the detailed description of the utility model embodiment, for the convenience of description, the section view of the device structure will be partially enlarged without the general proportion, and the schematic diagram is only an example, which should not limit the scope of the utility model protection here. In addition, the three-dimensional spatial dimensions of length, width and depth should be included in actual production.

[0025] In order to make the purpose, technical scheme and advantage of the utility model more clear, the embodiments of the utility model will be described in further detail below with reference to the drawings.

[0026] The utility model provides a kind of energy-saving industrial cooling tower fan magnetic suspension driving structure, optimization structure design, dual-function direct-drive type hydraulic machinery, with dual-purpose motor, when power is needed to be supplemented, power is sent as motor intervention, when power is not needed to be supplemented, rotor follows rotation, can generate electric energy feedback as generator use, and in order to reduce axial force in the operation of large fan, permanent magnetic suspension technology is used, axial force is reduced using permanent magnet repulsion characteristics, i.e.

[0027] Figures 1-4 It is the whole structure schematic diagram of one embodiment of the utility model energy-saving industrial cooling tower fan magnetic suspension driving structure, please refer to Figures 1-4 The main structure of the embodiment includes wind pipe 1, fan 2 and water turbine 3 are arranged in wind pipe 1, cover plate upper support seat 4 is arranged above water turbine 3, and motor 5 is arranged on the top surface of cover plate upper support seat 4, circular magnetic pole lifting adjusting support 6 is arranged at motor 5, magnetic pole negative pole 7 is arranged on the lower end surface of fan 2 wheel disc, and permanent magnetic pole positive pole 8 is embedded on the upper portion of circular magnetic pole lifting adjusting support 6;

[0028] The bottom surface of circular magnetic pole lifting adjusting support 6 is provided with adjusting lifting threaded rod 9;

[0029] Among them, adjusting lifting threaded rod 9 is provided with four;

[0030] Motor 5 is double-output shaft, lower shaft is connected with water turbine 3 runner, and upper shaft is connected with fan 2 hub;

[0031] In specific use, the circulating backstroke hot water is introduced into the cooling tower wind pipe 1, and is connected to the water turbine 3 inlet, enters into the water turbine 3, the motor 5 is double output shaft, the lower shaft is connected with the water turbine 3 runner, the upper shaft is connected with the fan 2 hub, when the power is not needed, the motor 5 shaft rotor rotates with the water turbine 3 runner, the magnetic force line is cut, then the electric current is generated in the stator winding, the electric energy is fed back, the magnetic pole negative pole 7 is arranged in the lower part of the fan 2, the other permanent magnetic pole positive pole 8 is arranged in the upper part of the circular magnetic pole lifting adjusting support 6, so that the two magnetic poles cooperate with each other, the magnetic field force is used to reduce the mass force of the fan 2 and the hub, the fan 2 rotates in the near suspension state, the power required by the fan 2 is reduced, and the bearing load and friction are reduced.

[0032] Although the utility model has been described above with reference to the embodiments, various improvements can be made and equivalent parts can be replaced without departing from the scope of the utility model. In particular, as long as there is no structural conflict, the features in the embodiments disclosed by the utility model can be combined in any way, and the combinations are not exhaustively described in the specification only for the purpose of saving space and resources. Therefore, the utility model is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. An energy-saving industrial cooling tower fan magnetic levitation drive structure, comprising a wind pipe (1), characterized in that, The fan (2) and the water turbine (3) are arranged in the air duct (1), the upper portion of the water turbine (3) is provided with a cover plate upper support seat (4), the top surface of the cover plate upper support seat (4) is provided with a motor (5), the motor (5) is provided with a circular magnetic pole lifting adjusting support (6), the lower end surface of the fan (2) wheel disc is provided with a magnetic pole negative pole (7), and the upper portion of the circular magnetic pole lifting adjusting support (6) is embedded with a permanent magnetic pole positive pole (8).

2. The magnetic levitation drive structure of the energy-saving industrial cooling tower fan according to claim 1, characterized in that, The bottom surface of the circular magnetic pole lifting adjusting support (6) is provided with an adjusting lifting threaded rod (9). The adjusting lifting threaded rod (9) is symmetrically provided with four.

3. The magnetic levitation drive structure of the energy-saving industrial cooling tower fan according to claim 2, characterized in that, The motor (5) is a double-output shaft, the lower shaft end is connected with the water turbine (3) runner, and the upper shaft end is connected with the fan (2) hub.

4. The magnetic levitation drive structure of the energy-saving industrial cooling tower fan according to claim 3, characterized in that, The water turbine (3) comprises a side water inlet and a lower water outlet. The circulating return hot water from the outside enters into the water turbine (3) through the water inlet.

5. The magnetic levitation drive structure of an energy-saving industrial cooling tower fan according to claim 4, characterized in that, The top surface of the circular magnetic pole lifting adjusting support (6) is provided with an annular groove (10), and the permanent magnetic pole positive pole (8) is arranged in the annular groove (10).

6. The magnetic levitation drive structure of an energy-saving industrial cooling tower fan according to claim 5, characterized in that: The lower portion of the annular groove (10) plate is provided with four adjusting lifting threaded rods (9), and the lower end screw of the adjusting lifting threaded rod (9) penetrates through the circular magnetic pole lifting adjusting support (6); adjusting the rotating adjusting lifting threaded rod (9) drives the permanent magnetic pole positive pole (8) to lift, and the repulsive force is adjusted.

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