CN219081764U

CN219081764U - Energy-saving water guide mechanism of hydroelectric generating set

Info

Publication number: CN219081764U
Application number: CN202223145277.2U
Authority: CN
Inventors: 施小兵
Original assignee: Wenshan Panlong River Basin Hydropower Development Co ltd
Current assignee: Wenshan Panlong River Basin Hydropower Development Co ltd
Priority date: 2022-11-26
Filing date: 2022-11-26
Publication date: 2023-05-26
Anticipated expiration: 2032-11-26

Abstract

The utility model provides an energy-saving water guide mechanism of a hydroelectric generating set. The energy-saving water guide mechanism of the hydroelectric generating set comprises a water guide channel; the rotating wheel is arranged in the water guide channel; the filter screen is arranged on the inner wall of the water guide channel; the first mounting groove is arranged on the inner wall of the water guide channel; the second installation grooves are arranged on the inner wall of the water guide channel; the dirt scraping mechanism is arranged in the water guide channel; the sewage pumping mechanisms are arranged in the water guide channels. The energy-saving water guide mechanism of the hydroelectric generating set has the advantages of active dirt cleaning function, capability of improving the operation efficiency of the hydroelectric generating set and capability of avoiding the occurrence of siltation.

Description

Energy-saving water guide mechanism of hydroelectric generating set

Technical Field

The utility model relates to the technical field of hydraulic generators, in particular to an energy-saving water guide mechanism of a hydraulic generator set.

Background

The hydro-generator is a generator which uses a water turbine as a prime motor to convert water energy into electric energy. When the water flow passes through the water turbine, the water energy is converted into mechanical energy, the rotating shaft of the water turbine drives the rotor of the generator, and the mechanical energy is converted into electric energy to be output. Is the main power equipment for generating electric energy in hydropower stations. The hydraulic generator is provided with a water guide channel for guiding water flow into the rotating wheel when in operation, so that the rotating wheel rotates.

However, since foreign matters or garbage may exist in the water in some water areas, the foreign matters or garbage may affect the rotation of the runner, thereby further reducing the operation efficiency of the water turbine.

Therefore, it is necessary to provide an energy-saving water guiding mechanism of a hydroelectric generating set to solve the above technical problems.

Disclosure of Invention

The utility model solves the technical problem of providing the energy-saving water guide mechanism of the hydroelectric generating set, which has the active dirt cleaning function, can improve the operation efficiency of the hydroelectric generating set and can avoid the occurrence of siltation.

In order to solve the technical problems, the energy-saving water guide mechanism of the hydroelectric generating set provided by the utility model comprises: a water guide channel; the rotating wheel is arranged in the water guide channel; the filter screen is arranged on the inner wall of the water guide channel; the first mounting groove is arranged on the inner wall of the water guide channel; the second installation grooves are arranged on the inner wall of the water guide channel; the dirt scraping mechanism is arranged in the water guide channel; the sewage pumping mechanisms are arranged in the water guide channels.

Preferably, two sealing bearings are arranged on the inner wall of the water guide channel.

Preferably, the dirt scraping mechanism comprises a screw rod, a limiting rod, a dirt scraping plate and a servo motor, wherein the screw rod is arranged on two sealing bearings, the limiting rod is fixedly arranged on the inner wall of the water guide channel, the dirt scraping plate is sleeved with threads and arranged on the screw rod, the dirt scraping plate is in sliding connection with the limiting rod, the servo motor is arranged on the inner wall of the first mounting groove, and an output shaft of the servo motor is fixedly connected with the screw rod.

Preferably, the sewage pumping mechanism comprises a sewage pumping pump, a sewage pumping pipe and a sewage drain pipe, wherein the sewage pumping pump is arranged on the inner wall of the second mounting groove, the sewage pumping pipe is arranged on the water inlet of the sewage pumping pump, one end of the sewage pumping pipe extends to the inside of the water guide channel, and the sewage drain pipe is arranged on the water outlet of the sewage pumping pump.

Preferably, a plurality of flow rate sensors are arranged on the inner wall of the water guide channel.

Preferably, a controller is arranged outside the water guide channel, and the controller is electrically connected with the servo motor, the sewage pump and the flow rate sensors.

Compared with the related art, the energy-saving water guide mechanism of the hydroelectric generating set has the following beneficial effects:

the utility model provides an energy-saving water guide mechanism of a hydroelectric generating set, which is characterized in that foreign matters or garbage in water flow are filtered through a filter screen, so that the influence on a rotating wheel is avoided, the dirt and the foreign matters deposited on the filter screen can be scraped through a dirt scraping mechanism, the dirt and the foreign matters deposited on the filter screen can be pumped out through a plurality of dirt pumping mechanisms, so that the filter screen is prevented from being polluted, screws can be installed through two sealing bearings, the flow velocity in a water guide channel can be monitored through a plurality of flow velocity sensors, and a controller can control the start and stop of the dirt scraping mechanism and the plurality of dirt pumping mechanisms according to the flow velocity of the water flow in the water guide channel, so that the energy-saving effect is achieved.

Drawings

FIG. 1 is a schematic diagram of a preferred embodiment of an energy-saving water guiding mechanism of a hydroelectric generating set according to the present utility model;

FIG. 2 is an enlarged schematic view of portion A shown in FIG. 1;

fig. 3 is an enlarged schematic view of a portion B shown in fig. 1.

Reference numerals in the drawings: 1. a water guide channel; 2. a rotating wheel; 3. a filter screen; 4. a first mounting groove; 5. a second mounting groove; 6. sealing the bearing; 7. a screw; 8. a limit rod; 9. a dirt scraping plate; 10. a servo motor; 11. a sewage pump; 12. a sewage pumping pipe; 13. a blow-down pipe; 14. a flow rate sensor; 15. and a controller.

Detailed Description

The utility model will be further described with reference to the drawings and embodiments.

Referring to fig. 1-3 in combination, fig. 1 is a schematic structural diagram of a preferred embodiment of an energy-saving water guiding mechanism of a water turbine generator set according to the present utility model; FIG. 2 is an enlarged schematic view of portion A shown in FIG. 1; fig. 3 is an enlarged schematic view of a portion B shown in fig. 1. The energy-saving water guide mechanism of the hydroelectric generating set comprises: a water guide channel 1; a rotating wheel 2, wherein the rotating wheel 2 is arranged inside the water guide channel 1; the filter screen 3 is arranged on the inner wall of the water guide channel 1; a first installation groove 4, wherein the first installation groove 4 is arranged on the inner wall of the water guide channel 1; a plurality of second installation grooves 5, wherein the second installation grooves 5 are arranged on the inner wall of the water guide channel 1; the dirt scraping mechanism is arranged in the water guide channel 1; the sewage drainage device comprises a water guide channel 1, a plurality of sewage drainage mechanisms, a filter screen 3, a rotary wheel 2, a sewage scraping mechanism and a sewage draining mechanism, wherein the sewage drainage mechanisms are arranged in the water guide channel 1, foreign matters or garbage in water flow are filtered through the filter screen 3, so that influence on the rotary wheel 2 is avoided, the sewage and the foreign matters deposited on the filter screen 3 can be scraped through the sewage scraping mechanism, the sewage and the foreign matters deposited on the filter screen 3 can be drained through the sewage drainage mechanisms, and the sewage draining mechanism is capable of avoiding the occurrence of the sewage accumulation of the filter screen 3.

Two sealing bearings 6 are arranged on the inner wall of the water guide channel 1, and a screw rod 7 can be installed through the two sealing bearings 6.

The dirt scraping mechanism comprises a screw rod 7, a limiting rod 8, a dirt scraping plate 9 and a servo motor 10, wherein the screw rod 7 is arranged on two sealing bearings 6, the limiting rod 8 is fixedly arranged on the inner wall of the water guide channel 1, the dirt scraping plate 9 is sleeved with threads and is arranged on the screw rod 7, the dirt scraping plate 9 is in sliding connection with the limiting rod 8, the servo motor 10 is arranged on the inner wall of the first mounting groove 4, and an output shaft of the servo motor 10 is fixedly connected with the screw rod 7 so as to scrape dirt and foreign matters deposited on the filter screen 3 through the dirt scraping mechanism.

The sewage pumping mechanism comprises a sewage pumping pump 11, a sewage pumping pipe 12 and a sewage draining pipe 13, wherein the sewage pumping pump 11 is arranged on the inner wall of the second installation groove 5, the sewage pumping pipe 12 is arranged on the water inlet of the sewage pumping pump 11, one end of the sewage pumping pipe 12 extends to the inside of the water guide channel 1, the sewage draining pipe 13 is arranged on the water outlet of the sewage pumping pump 11, and garbage and foreign matters deposited on the filter screen 3 can be pumped out through a plurality of sewage pumping mechanisms, so that the filter screen 3 is prevented from being polluted.

The inner wall of the water guide channel 1 is provided with a plurality of flow rate sensors 14, and the flow rate in the water guide channel 1 can be monitored through the plurality of flow rate sensors 14.

The outside of water channel 1 is provided with controller 15, controller 15 with servo motor 10, a plurality of sewage pump 11 and a plurality of the velocity of flow sensor 14 electric connection, controller 15 can be according to the start and stop of the interior rivers velocity of flow control dirt scraping mechanism of water channel 1 and a plurality of sewage pump mechanism to play energy-conserving effect.

The utility model provides an energy-saving water guide mechanism of a hydroelectric generating set, which has the following working principle:

when the generator set operates, foreign matters or garbage in water flow are filtered through the filter screen 3, the flow speed of the water flow passing through the water guide channel 1 is monitored through the flow speed sensors 14, when the flow speed of the water flow passing through the water guide channel 1 is reduced too much, the controller 15 controls the starting of the servo motor 10 and the sewage pump 11, the servo motor 10 drives the screw rod 7 to rotate, the screw rod 7 rotates to drive the sewage scraping plate 9 to reciprocate left and right, so that garbage and foreign matters deposited on the filter screen 3 are scraped, and then the sewage pump 11 pumps out water containing garbage and foreign matters through the sewage pipes 12 and discharges the water through the sewage pipes 13, so that the filter screen 3 is prevented from being silted, and after the flow speed of the water flow passing through the water guide channel 1 is recovered to be normal, the controller 15 controls the closing of the servo motor 10 and the sewage pump 11, so that an energy-saving effect is achieved.

the utility model provides an energy-saving water guide mechanism of a water turbine generator set, which is characterized in that foreign matters or garbage in water flow are filtered through a filter screen 3, so that the influence on a rotating wheel 2 is avoided, the garbage and the foreign matters deposited on the filter screen 3 can be scraped through a scraping mechanism, the garbage and the foreign matters deposited on the filter screen 3 can be pumped out through a plurality of dirt pumping mechanisms, so that the filter screen 3 is prevented from being deposited, a screw 7 can be installed through two sealing bearings 6, the flow velocity in a water guide channel 1 can be monitored through a plurality of flow velocity sensors 14, and a controller 15 can control the starting and stopping of the scraping mechanism and the plurality of dirt pumping mechanisms according to the flow velocity of the water flow in the water guide channel 1, so that the energy-saving effect is achieved.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.

Claims

1. An energy-saving water guide mechanism of a hydroelectric generating set, which is characterized by comprising:

a water guide channel;

the rotating wheel is arranged in the water guide channel;

the filter screen is arranged on the inner wall of the water guide channel;

the first mounting groove is arranged on the inner wall of the water guide channel;

the second installation grooves are arranged on the inner wall of the water guide channel;

the dirt scraping mechanism is arranged in the water guide channel;

the sewage pumping mechanisms are arranged in the water guide channels.

2. The energy-saving water guide mechanism of a hydroelectric generating set according to claim 1, wherein two sealing bearings are arranged on the inner wall of the water guide channel.

3. The energy-saving water guide mechanism of a hydroelectric generating set according to claim 2, wherein the dirt scraping mechanism comprises a screw rod, a limiting rod, a dirt scraping plate and a servo motor, the screw rod is arranged on two sealing bearings, the limiting rod is fixedly installed on the inner wall of the water guide channel, the dirt scraping plate is sleeved on the screw rod in a threaded manner, the dirt scraping plate is in sliding connection with the limiting rod, the servo motor is arranged on the inner wall of the first mounting groove, and an output shaft of the servo motor is fixedly connected with the screw rod.

4. The energy-saving water guide mechanism of a hydroelectric generating set according to claim 3, wherein the sewage pumping mechanism comprises a sewage pumping pump, a sewage pumping pipe and a sewage draining pipe, the sewage pumping pipe is arranged on the inner wall of the second installation groove, the sewage pumping pipe is arranged on the water inlet of the sewage pumping pump, one end of the sewage pumping pipe extends to the inside of the water guide channel, and the sewage draining pipe is arranged on the water outlet of the sewage pumping pump.

5. The energy-saving water guide mechanism of a hydroelectric generating set according to claim 4, wherein a plurality of flow rate sensors are arranged on the inner wall of the water guide channel.

6. The energy-saving water guide mechanism of a hydroelectric generating set according to claim 5, wherein a controller is arranged outside the water guide channel, and the controller is electrically connected with the servo motor, the plurality of sewage pumps and the plurality of flow rate sensors.