CN216644994U - Novel energy-conserving hydraulic turbine of high-efficient circulating water of modularization of cooling tower - Google Patents

Novel energy-conserving hydraulic turbine of high-efficient circulating water of modularization of cooling tower Download PDF

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Publication number
CN216644994U
CN216644994U CN202220143814.0U CN202220143814U CN216644994U CN 216644994 U CN216644994 U CN 216644994U CN 202220143814 U CN202220143814 U CN 202220143814U CN 216644994 U CN216644994 U CN 216644994U
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cooling tower
fan
water turbine
tower
air duct
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CN202220143814.0U
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王逸之
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Xi'an Libang Energy Saving Technology Development Co ltd
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Xi'an Libang Energy Saving Technology Development Co ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/20Hydro energy

Abstract

The utility model discloses a modular efficient novel circulating water energy-saving water turbine of a cooling tower, which relates to the technical field of cooling tower equipment and comprises the cooling tower, a fan and a water turbine unit, wherein the fan is arranged at the top of the cooling tower, the water turbine is arranged below the fan, the cooling tower comprises a tower body, a water pool, a filler, a first water return pipe, a second water return pipe and an air cylinder, and the water turbine unit comprises a shaft assembly, a shell assembly, a rotating wheel and an electric compensation assembly; the utility model adopts the high-efficiency hybrid-power water turbine to replace the original speed reducer, the coupling and the motor outside the tower, so that the energy transmission rate of the whole cooling tower is obviously improved, and the equipped permanent magnet motor in the tower has small volume, light weight and high efficiency, has larger starting torque and higher power factor, and ensures that the electric energy compensation is more efficient.

Description

Novel energy-conserving hydraulic turbine of high-efficient circulating water of modularization of cooling tower
Technical Field
The utility model relates to the technical field of cooling tower equipment, in particular to a novel modular efficient circulating water energy-saving water turbine of a cooling tower.
Background
In an industrial circulating water system, system backwater often has certain backwater pressure, and a cooling tower water turbine drives a cooling tower fan to rotate by utilizing the backwater surplus pressure in the circulating water system, so that the original energy supply of a cooling tower motor is replaced, and the energy-saving effect is finally achieved.
However, in the existing situation, the situation that the surplus energy of the backwater is not enough to drive the fan to reach the original rotating speed and the original cooling effect cannot be achieved usually occurs.
SUMMERY OF THE UTILITY MODEL
The utility model aims to: in order to solve the technical problems, the utility model provides a modular efficient novel circulating water energy-saving water turbine of a cooling tower, which can enable a main shaft to obtain power compensation through an electric driving main shaft, so that the power of an output shaft of the water turbine is improved, and the rotating speed of an original fan is improved.
The utility model specifically adopts the following technical scheme for realizing the purpose: a modularized high-efficiency novel circulating water energy-saving water turbine of a cooling tower comprises the cooling tower, a fan and a water turbine unit;
the fan is arranged at the top of the cooling tower, and the water turbine is arranged below the fan;
the cooling tower comprises a tower body, a water tank, a filler, a first water return pipe, a second water return pipe and an air duct;
the hydraulic turbine set comprises a shaft assembly, a shell assembly, a rotating wheel and an electric compensation assembly, wherein the shaft assembly comprises a shaft, a bearing and a bearing seat, the shell assembly comprises a cover plate and a volute, the shaft is installed in the bearing seat, the shaft is fixed in the bearing seat through the bearing, the top of the shaft is connected with the fan, the bottom of the shaft is connected with the rotating wheel, the bottom of the bearing seat is connected with the cover plate, the bottom of the cover plate is connected with the volute, one end of the volute is communicated with a first water return pipe, and the other end of the volute is communicated with the rotating wheel.
Further: the electric compensation assembly comprises a permanent magnet motor, the permanent magnet motor is arranged in the bearing seat, a stator part of the permanent magnet motor is fixedly arranged on the inner wall of the bearing seat, and a rotor part of the permanent magnet motor is wrapped on the outer side of the shaft.
Further: the electric compensation assembly further comprises a control cabinet, a power supply and a frequency converter, the control cabinet is installed on the outer side of the tower body, the frequency converter is connected with the control cabinet, and the power supply is connected with the electric device through the frequency converter to supply power to the electric device.
Further: a flow guide member is disposed in the scroll.
Further: still include intelligence control system, intelligence control system includes PLC controller, temperature probe, vibration and axle temperature probe, the PLC controller install in the switch board, the temperature probe install in on the first wet return, vibration and axle temperature probe install in on the bearing room of the hydraulic turbine install first electric valve on the first wet return install second electric valve on the second wet return, the PLC controller with temperature probe, vibration and axle temperature probe, first electric valve and second electric valve are connected.
Further: the dryer install in the tower body top, the dryer includes segmental arc, neck and lower segmental arc, the neck radius is minimum, lower segmental arc bottom opening with the tower body top is connected.
Further: and a heightening plate is additionally arranged on the lower arc section of the air duct.
Further: and a heightening plate is additionally arranged at the neck of the air duct.
Further: and a partition plate is additionally arranged in the air duct to lift the position of the throat part in the air duct.
Further: and the fan blades of the fan are carbon fiber fan blades.
The utility model has the following beneficial effects:
1: this application adopts high-efficient thoughtlessly to move the hydraulic turbine and has replaced speed reducer in the original tower, makes whole cooling tower energy transmission rate obviously improve, and the interior permanent-magnet machine of tower that is equipped with is small, light in weight, efficient to possess bigger starting torque and higher power factor, make the electric energy compensation more high-efficient.
2: this application is at operation in-process rivers through pipeline water conservancy diversion entering volute, and the stator drainage in the rethread volute makes rivers evenly strike the runner, and the energy of self is given to the hydraulic turbine through the runner to this rivers, and the hydraulic turbine drives the fan rotatory, carries out the cooling tower heat transfer, makes the main shaft reach power compensation through electric actuator drive main shaft simultaneously to improve hydraulic turbine output shaft power, improve former fan rotational speed, improve circulating water and air convection heat transfer.
3: when the water turbine needs power compensation, a power supply is started to enable a main shaft of the water turbine to obtain required shaft power, when the power compensation is not needed, a winding power supply line is disconnected, a winding does not work, and the power compensation function is quitted, wherein the control cabinet mainly changes the frequency of power supply current through frequency conversion of a frequency converter, so that the hybrid water turbine has different rotating speeds under different frequencies, and normal operation of equipment is met.
4: when carrying out power compensation, on the one hand can compensate the shaft power through permanent-magnet machine for the fan rotational speed promotes whole cooling tower heat transfer effect, and on the other hand, thoughtlessly moves the feedback of hydraulic turbine through temperature sensor, electric valve's control, PLC's automatic processing, makes the cooling tower keep optimum cooling effect in rated interval always in actual operation.
5: because the structure, the size and the combination mode of the upper air duct of the cooling tower are different before each project is transformed, after the project is transformed, the original air duct cannot be completely matched with the actual parameters of the hybrid water turbine fan in the transformed tower, and after the project is transformed, different air duct improvement modes of the project need to be selected according to the actual conditions in each project tower, so that the optimal air volume is achieved.
6: compared with the traditional glass fiber reinforced plastic fan blade, the carbon fiber fan blade has lighter weight, higher strength, stronger toughness and better performance.
Drawings
FIG. 1 is a schematic overall sectional view of the present invention;
fig. 2 is a schematic sectional view of a hydraulic turbine according to the present invention;
fig. 3 is a schematic structural view of an air duct in embodiment 1 of the present invention;
fig. 4 is a schematic structural view of an air duct in embodiment 2 of the present invention;
fig. 5 is a schematic structural view of an air duct in embodiment 3 of the present invention.
Reference numerals: 1. a tower body; 2. a pool; 3. a filler; 4. a first water return pipe; 5. a second water return pipe; 6. an air duct; 7. a shaft; 8. a bearing; 9. a bearing seat; 10. a cover plate; 11. a volute; 12. a rotating wheel; 13. a permanent magnet motor; 14. a control cabinet; 15. a power source; 16. a frequency converter; 17. a water temperature probe; 18. a vibration and shaft temperature probe; 19. a first electrically operated valve; 20. a second electrically operated valve; 21. an upper arc section; 22. a neck portion; 23. a lower arc section; 24. heightening plates; 25. a partition plate; 26. a fan; 27. a rotor; 28. and a stator.
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. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. 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.
Example 1
As shown in fig. 1-2, this embodiment provides a novel energy-conserving hydraulic turbine of efficient circulating water of modularization of cooling tower, including cooling tower, fan and hydraulic turbine group, the fan install in the cooling tower top, the hydraulic turbine install in the fan below, the cooling tower includes tower body 1, pond 2, filler 3, first return water pipe 4, second return water pipe 5 and dryer 6.
The hydraulic turbine set comprises a shaft 7 assembly, a shell assembly, a rotating wheel 12 and an electric compensation assembly, wherein the shaft 7 assembly comprises a shaft 7, a bearing 8 and a bearing seat 9, the shell assembly comprises a cover plate 10 and a volute 11, the shaft 7 is installed in the bearing seat 9, the shaft 7 is fixed in the bearing seat 9 through the bearing 8, the top of the shaft 7 is connected with the fan, the bottom of the shaft 7 is connected with the rotating wheel 12, the bottom of the bearing seat 9 is connected with the cover plate 10, the bottom of the cover plate 10 is connected with the volute 11, one end of the volute 11 is communicated with a first water return pipe 4, the other end of the volute is communicated with the rotating wheel, and a flow guide piece 12 is arranged in the volute 11.
The application adopts the high-efficiency hybrid turbine to replace the original speed reducer in the tower, so that the energy transmission rate of the whole cooling tower is over 90 percent, the equipped permanent magnet motor 13 in the tower has small volume, light weight and high efficiency, and has larger starting torque and higher power factor, so that the electric energy compensation is more efficient,
the electric compensation assembly comprises a permanent magnet motor 13, the permanent magnet motor 13 is installed in the bearing seat 9, a stator 28 part of the permanent magnet motor 13 is fixedly installed on the inner wall of the bearing seat 9, a rotor 27 part of the permanent magnet motor 13 is wrapped on the outer side of the shaft 7, the electric compensation assembly further comprises a control cabinet 14, a power supply 15 and a frequency converter 16, the control cabinet 14 is installed on the outer side of the tower body 1, the frequency converter 16 is connected with the control cabinet 14, and the power supply 15 is connected with the electric device through the frequency converter 16 to supply power to the electric device.
When the water turbine needs power compensation, a power supply 15 is started to supply power, so that the main shaft 7 of the water turbine obtains the required power of the shaft 7, and when the power compensation is not needed, a winding power supply circuit is disconnected, so that a winding does not work, and the power compensation function is quitted, wherein the control cabinet 14 mainly changes the frequency of the power supply current through the frequency conversion of the frequency converter 16, so that the hybrid water turbine has different rotating speeds under different frequencies, and the normal operation of equipment is met.
Still include intelligence control system, intelligence control system includes PLC controller, temperature probe 17, vibration and 7 temperature probes of axle, the PLC controller install in the switch board 14, the temperature probe 17 install in on the first wet return 4, vibration and 7 temperature probes of axle install in 8 of bearings of the hydraulic turbine are indoor install first electric valve 19 on the first wet return 4 install second electric valve 20 on the second wet return 5, the PLC controller with temperature probe 17, vibration and 7 temperature probes of axle, first electric valve 19 and second electric valve 20 are connected.
When carrying out power compensation, can compensate 7 powers of axle through permanent-magnet machine 13 on the one hand for the fan rotational speed promotes whole cooling tower heat transfer effect, and on the other hand, thoughtlessly moves the feedback of hydraulic turbine through temperature sensor, electric valve's control, PLC's automatic processing, makes the cooling tower keep optimum cooling effect always in rated interval in actual operation
The dryer 6 install in 1 top of tower body, dryer 6 includes segmental arc 21, neck 22 and lower segmental arc 23, neck 22 radius is minimum, 23 bottom opening of segmental arc down with 1 top of tower body is connected.
The fan blade of the fan is a carbon fiber fan blade; compared with a glass fiber reinforced plastic fan, the high-efficiency carbon fiber composite fan has the advantages of light weight, small starting current, high mechanical strength and greatly enhanced blade bearing capacity, and the fan blades can safely operate for a long time period under the conditions of large angle, large air quantity and large conformity, so that the fan has low starting energy consumption, high mechanical strength and low operation energy consumption and can effectively increase the air quantity.
Example 2
As shown in fig. 3, the present embodiment has the same structure as that of embodiment 1 except for the air duct 6, and the difference is that: and a heightening plate 24 is additionally arranged on the lower arc section 23 of the air duct 6.
Example 3
As shown in fig. 4, the present embodiment has the same structure as that of embodiment 1 except for the air duct 6, and the difference is that: and a heightening plate 24 is additionally arranged at the neck part 22 of the air duct 6.
Example 4
As shown in fig. 5, the present embodiment has the same structure as that of embodiment 1 except for the air duct 6, and the difference is that: and a partition plate 25 is additionally arranged inside the air duct 6 to lift the throat position in the air duct 6.
Because the structure, the size and the combination mode of the upper air duct 6 of the cooling tower are different before each project is transformed, after the project is transformed, the original air duct 6 cannot be completely matched with the actual parameters of the hybrid water turbine fan in the transformed tower, and after the project is transformed, the project needs to select the improved mode of the air duct 6 different in the project according to the actual conditions in each project tower, so that the optimal air passing amount is achieved.
The working principle is as follows:
three asynchronous motors commonly used in cooling towers of chemical enterprises are 6-level motors in general, the operating frequency is 50Hz, the output rotating speed is about 960 revolutions per minute, the design operating rotating speed of a fan is basically 100 plus 130 revolutions per minute according to the difference of the diameters of air cylinders, and the rotating speed difference between the two is large.
So this application is solving fan rotational speed, at first adopts through increasing permanent-magnet machine number of poles, makes the rated rotational speed of motor fall to fan operation rotational speed interval, and rethread converter control changes input motor operating frequency and makes the accurate control of motor rotational speed in fan safety and stability operation interval, later through PLC automatic control principle, accomplishes the automatic control function with entire system.
The working process is as follows:
this application is at operation in-process rivers through pipeline water conservancy diversion entering volute 11, water conservancy diversion spare drainage in 11 of rethread volute makes rivers evenly strike runner 12, and rivers transmit the energy of self for the fan through runner 12 from this, carry out the cooling tower heat transfer, make main shaft 7 reach power compensation through permanent-magnet machine drive main shaft 7 simultaneously, thereby improve the power of the axle 7 of the hydraulic turbine, improve former fan rotational speed, improve circulating water and air convection heat transfer.

Claims (7)

1. A modularized efficient novel circulating water energy-saving water turbine of a cooling tower is characterized by comprising the cooling tower, a fan and a water turbine unit;
the fan is arranged at the top of the cooling tower, and the water turbine is arranged below the fan;
the cooling tower comprises a tower body, a water tank, a filler, a first water return pipe, a second water return pipe and an air duct;
the turbine unit comprises a shaft assembly, a housing assembly, a rotating wheel and an electric compensation assembly, wherein the shaft assembly comprises a shaft, a bearing and a bearing seat, the housing assembly comprises a cover plate and a volute, the shaft is installed in the bearing seat and is fixed in the bearing seat through the bearing, the top of the shaft is connected with the fan, the bottom of the shaft is connected with the rotating wheel, the bottom of the bearing seat is connected with the cover plate, the bottom of the cover plate is connected with the volute, one end of the volute is communicated with the first water return pipe, and the other end of the volute is communicated with the rotating wheel;
the electric compensation assembly comprises a permanent magnet motor, the permanent magnet motor is arranged in the bearing seat, a stator part of the permanent magnet motor is fixedly arranged on the inner wall of the bearing seat, and a rotor part of the permanent magnet motor is wrapped on the outer side of the shaft;
the electric compensation assembly further comprises a control cabinet, a power supply and a frequency converter, the control cabinet is installed on the outer side of the tower body, the frequency converter is connected with the control cabinet, and the power supply is connected with an electric device through the frequency converter to supply power to the electric device;
still include intelligent control system, intelligent control system includes PLC controller, temperature probe, vibration and axle temperature probe, the PLC controller install in the switch board, the temperature probe install in on the first wet return, vibration and axle temperature probe install in on the bearing room of the hydraulic turbine install first electric valve on the first wet return install the second electric valve on the second wet return, the PLC controller with temperature probe, vibration and axle temperature probe, first electric valve and second electric valve are connected.
2. The modular, efficient and novel circulating water energy-saving water turbine of the cooling tower as claimed in claim 1, wherein a flow guide member is arranged in the volute.
3. The modular, efficient and novel circulating water energy-saving water turbine of the cooling tower as claimed in claim 1, wherein the air duct is installed at the top of the tower body, the air duct comprises an upper arc section, a neck and a lower arc section, the radius of the neck is minimum, and the bottom opening of the lower arc section is connected with the top of the tower body.
4. The modular efficient novel circulating water energy-saving water turbine of the cooling tower as claimed in claim 3, wherein a heightening plate is additionally arranged on the lower arc section of the air duct.
5. The modular efficient novel circulating water energy-saving water turbine of the cooling tower as claimed in claim 3, wherein a heightening plate is additionally arranged at the neck of the air duct.
6. The modular efficient novel circulating water energy-saving water turbine for the cooling tower as claimed in claim 3, wherein a partition plate is additionally arranged inside the air duct to lift the throat position in the air duct.
7. The modular efficient novel circulating water energy-saving water turbine of the cooling tower according to claim 1, wherein carbon fiber blades are selected as the blades of the fan.
CN202220143814.0U 2022-01-19 2022-01-19 Novel energy-conserving hydraulic turbine of high-efficient circulating water of modularization of cooling tower Active CN216644994U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117267153A (en) * 2023-11-13 2023-12-22 西安力邦节能科技发展有限公司 Intelligent mixing efficient energy-saving water turbine for circulating water system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117267153A (en) * 2023-11-13 2023-12-22 西安力邦节能科技发展有限公司 Intelligent mixing efficient energy-saving water turbine for circulating water system

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