CN213450954U - Novel energy-saving cooling tower fan device - Google Patents
Novel energy-saving cooling tower fan device Download PDFInfo
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- CN213450954U CN213450954U CN202022627445.6U CN202022627445U CN213450954U CN 213450954 U CN213450954 U CN 213450954U CN 202022627445 U CN202022627445 U CN 202022627445U CN 213450954 U CN213450954 U CN 213450954U
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- cooling tower
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Abstract
The invention belongs to the technical field of cooling towers, and particularly relates to a novel energy-saving cooling tower fan device which comprises a fan and a motor; the motor is fixed outside the air duct, the motor is connected with a transmission shaft through a coupler, the other end of the transmission shaft extends into the air duct, the other end of the transmission shaft is connected with a driving gear through the coupler, and the driving gear is meshed with a driven gear A and a driven gear B; the driven gear A is connected with a sleeve, the sleeve is connected with a lower fan hub, and lower fan blades are fixed on the lower fan hub; the driven gear B is connected with an inner shaft of the sleeve, the inner shaft of the sleeve is positioned in the sleeve, the inner shaft of the sleeve is connected with an upper fan hub, and upper fan blades are fixed on the upper fan hub. The invention increases the efficiency of the fan, improves the integral cooling efficiency of the cooling tower and reduces the requirement on the protection grade of the motor of the cooling tower.
Description
Technical Field
The invention belongs to the technical field of cooling towers, and particularly relates to a novel energy-saving cooling tower fan device.
Background
The traditional cooling tower is characterized in that one motor corresponds to one fan, and the motor is mostly arranged right above an air duct. The fan form and the installation mode of the traditional cooling tower enable the wind power of the traditional cooling tower fan to be limited, and the power of a motor must be increased in order to enhance the water-gas heat exchange efficiency in the tower body, so that the power consumption ratio of the cooling tower is high; in addition, the motor is directly arranged right above the air duct for air outlet, a large amount of water vapor can be mixed in the air outlet, the high requirement is provided for the waterproof grade of the motor, and if the motor protection grade is not enough, the motor fault is easily caused, and the service life of the cooling tower is seriously influenced.
Disclosure of Invention
The invention aims to overcome the defects of the background technology and provide a novel energy-saving cooling tower fan device.
The invention is realized by the following technical scheme: a novel energy-saving cooling tower fan device comprises a fan and a motor, wherein the fan comprises an upper fan and a lower fan; the motor is fixed on the upper surface of the tower body outside the air drum, the motor is connected with a transmission shaft through a coupler, the other end of the transmission shaft extends into the air drum, the other end of the transmission shaft is connected with a driving gear through the coupler, the driving gear is upwards meshed with a driven gear A, and the driving gear is downwards meshed with a driven gear B; the driven gear A is fixedly connected with a sleeve, the sleeve is fixedly connected with a lower fan hub, and lower fan blades are fixed on the lower fan hub; the driven gear B is fixedly connected with an inner sleeve shaft, the inner sleeve shaft is positioned in the sleeve, the inner sleeve shaft is fixedly connected with an upper fan hub, and upper fan blades are fixed on the upper fan hub; the upper fan blade and the lower fan blade are the same and form an included angle with the horizontal direction.
Preferably, the included angle is 110-140 °.
Preferably, the driven gear a is keyed to the sleeve.
Preferably, the driven gear B is keyed to the sleeve inner shaft.
Preferably, the concrete structure that the transmission shaft other end stretches into in the dryer is: the air duct is provided with a round hole, the transmission shaft extends into the air duct from the round hole, and the round hole is provided with a sealing ring.
The fan of the traditional cooling tower is partially improved and optimized, the cooling tower with the coaxial double-fan disrotatory fan is designed, the fan efficiency is increased, the internal wind disturbance of the cooling tower is enhanced, the water-gas heat exchange is strengthened, the overall cooling efficiency of the cooling tower is improved, the energy consumption of a motor of the cooling tower can be reduced, the power consumption ratio of the cooling tower is greatly reduced, the energy efficiency grade of the cooling tower is improved, and the service life of the cooling tower is prolonged; in addition, the fan motor is arranged externally and is far away from wet air, so that the motor can be prevented from being corroded by water vapor in the wet air, the requirement on the protection grade of the motor of the cooling tower is reduced, and the integral manufacturing cost of the cooling tower is reduced.
Drawings
Fig. 1 is a schematic structural view of a fan apparatus according to the present invention.
Fig. 2 is a schematic view of the overall structure of the present invention.
In the figure, 1 protective screen, 2 wind cylinders, 3 tower bodies, 4 air inlets, 5 tower body supports, 6 sleeve inner shafts, 7 upper fan hubs, 8 sleeves, 9 lower fan hubs, 10 upper fan blades, 11 lower fan blades, 12 driven gears A, 13 driven gears B, 14 driving gears, 15 couplers, 16 transmission shafts and 17 motors.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
See fig. 1 and 2. Firstly, the general structure of the cooling tower is briefly introduced, as shown in fig. 2, a tower body 3 is fixed on a tower body bracket 5, an air inlet 4 is arranged below the tower body 3, an air duct 2 is arranged above the tower body 3, and a protective screen 1 is arranged at the upper end of the air duct 2.
The invention fixes the motor 17 of the cooling tower fan outside the wind barrel 2, fixes the motor 17 on the upper surface of the tower body 3, the motor 17 is connected with a transmission shaft 16 through a coupling 15, and the other end of the transmission shaft 16 is connected with a driving gear 14 through the coupling 15. The transmission shaft 16 penetrates into the air duct 2, specifically, a round hole can be formed in the air duct 2, the transmission shaft 16 penetrates into the air inlet duct 2 from the round hole, and a sealing ring is further arranged at the round hole to ensure the sealing property.
The driving gear 14 is meshed with a driven gear A12 upwards and a driven gear B13 downwards, and the driven gear A12 and the driven gear B13 are identical and parallel up and down and are vertically meshed with the driving gear 14. Driven gear A12 key-type connection is a sleeve 8, and sleeve 8 fixed connection lower fan wheel hub 9 is fixed with lower fan blade 11 on lower fan wheel hub 9, and lower fan wheel hub 9 and lower fan blade 11 constitute lower fan. The driven gear B13 key-connects sleeve inner shaft 6, sleeve inner shaft 6 is located in sleeve 8, sleeve inner shaft 6 can rotate freely in sleeve 8, sleeve inner shaft 6 is fixed on upper fan hub 7, upper fan blade 10 is fixed on upper fan hub 7, upper fan hub 7 and upper fan blade 10 constitute the upper fan. The lower fan and the upper fan are vertically arranged in the longitudinal direction, the upper fan blades 10 are the same as the lower fan blades 11, the upper fan blades 10 and the lower fan blades 11 are not horizontal blades and have a certain included angle with the horizontal direction, as shown in fig. 1, preferably, the included angle is 110-140 degrees, and the air outlet direction is upward after the upper fan blades 10 and the lower fan blades 11 rotate.
The working process is roughly as follows: the cooling tower motor 17 rotates to drive the transmission shaft 16 to rotate, the transmission shaft 16 drives the driving gear 14 to rotate, the driving gear 14 rotates to drive the driven gear A12 and the driven gear B13 to rotate simultaneously, and the rotation directions of the driven gear A12 and the driven gear B13 are opposite. The driven gear a12 rotates the sleeve 8, and the sleeve 8 rotates the lower fan hub 9, thereby rotating the lower fan blade 11. Likewise, the driven gear B13 rotates to rotate the inner sleeve shaft 6, and the inner sleeve shaft 6 rotates to rotate the upper fan hub 7, thereby rotating the lower fan blades 11. The rotation directions of the upper fan blade 10 and the lower fan blade 11 are opposite, and the air outlet integrally generated after rotation is upward, so that the internal wind disturbance of the cooling tower is enhanced.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; those of ordinary skill in the art will understand that: the technical solutions described in the above embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (5)
1. The utility model provides a novel energy-conserving cooling tower fan device, includes fan and motor (17), its characterized in that: the fan comprises an upper fan and a lower fan; the motor (17) is fixed on the upper surface of the tower body (3) outside the air duct (2), the motor (17) is connected with a transmission shaft (16) through a coupler (15), the other end of the transmission shaft (16) extends into the air duct (2), the other end of the transmission shaft (16) is connected with a driving gear (14) through the coupler (15), the driving gear (14) is upwards meshed with a driven gear A (12), and the driving gear (14) is downwards meshed with a driven gear B (13); the driven gear A (12) is fixedly connected with a sleeve (8), the sleeve (8) is fixedly connected with a lower fan hub (9), and lower fan blades (11) are fixed on the lower fan hub (9); the driven gear B (13) is fixedly connected with the sleeve inner shaft (6), the sleeve inner shaft (6) is positioned in the sleeve (8), the sleeve inner shaft (6) is fixedly connected with the upper fan hub (7), and the upper fan blade (10) is fixed on the upper fan hub (7); the upper fan blade (10) and the lower fan blade (11) are identical and form an included angle with the horizontal direction.
2. The novel energy-saving cooling tower fan device of claim 1, characterized in that: the included angle is 110-140 degrees.
3. The novel energy-saving cooling tower fan device of claim 1, characterized in that: the driven gear A (12) is keyed to the sleeve (8).
4. The novel energy-saving cooling tower fan device of claim 1, characterized in that: the driven gear B (13) is in key connection with the sleeve inner shaft (6).
5. The novel energy-saving cooling tower fan device of claim 1, characterized in that: the other end of the transmission shaft (16) extends into the wind barrel (2) and has the following specific structure: a round hole is arranged on the wind barrel (2), the transmission shaft (16) extends into the wind barrel (2) from the round hole, and a sealing ring is arranged at the round hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022627445.6U CN213450954U (en) | 2020-11-13 | 2020-11-13 | Novel energy-saving cooling tower fan device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022627445.6U CN213450954U (en) | 2020-11-13 | 2020-11-13 | Novel energy-saving cooling tower fan device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213450954U true CN213450954U (en) | 2021-06-15 |
Family
ID=76300685
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022627445.6U Active CN213450954U (en) | 2020-11-13 | 2020-11-13 | Novel energy-saving cooling tower fan device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213450954U (en) |
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2020
- 2020-11-13 CN CN202022627445.6U patent/CN213450954U/en active Active
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