Hydropower station water inlet desilting device
By designing sensors at the intake of the hydropower station to detect the amount of sand and using a combination of waterproof motors and sand pumps, the problem of automatically identifying silt blockage was solved, achieving efficient silt removal, reducing energy waste, and improving power generation efficiency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-26
- Publication Date
- 2026-04-10
AI Technical Summary
Existing sludge removal equipment cannot automatically identify sludge blockage, resulting in increased power generation at the power plant during sludge removal, thus wasting energy.
A sand discharge device for the intake of a hydropower station was designed. It uses a small number of sensors to detect the amount of sand, combined with a waterproof motor and a sand pump. The device stirs the sand and pushes it into the groove by a stirring plate, and then uses the sand pump to extract and discharge the sand from the sand inlet pipe.
It enables automatic identification of silt blockage, reduces energy waste, and improves the power plant's power generation efficiency.
Smart Images
Figure CN224106385U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The application belongs to the technical field of sand discharging equipment, and particularly relates to a sand discharging device for a water inlet of a hydropower station. BACKGROUND
[0002] A hydropower station is a facility for converting potential energy and kinetic energy of water into electric energy, and its basic working process is: water is introduced from a high place of a river or other reservoirs, and the pressure or flow rate of the water is used to drive a water turbine to rotate, so that gravitational potential energy and kinetic energy are converted into mechanical energy, then the water turbine drives a generator to rotate, and the mechanical energy is converted into electric energy; if a hydropower station is built on a sand-rich river, the reservoir of the hydropower station will be silted up, the effective capacity of the reservoir will be reduced, and the water turbine will be worn out, so it is particularly important to clean sand.
[0003] However, the existing mud pumping device cannot automatically identify the siltation of the sand, and when the sand is cleaned, the power generation capacity of the power plant is high, and energy is wasted. CONTENT OF THE UTILITY MODEL
[0004] The application aims to solve the problem that the existing mud pumping device cannot automatically identify the siltation of the sand, and when the sand is cleaned, the power generation capacity of the power plant is high, and energy is wasted, and provides a sand discharging device for a water inlet of a hydropower station.
[0005] The technical scheme adopted by the application is as follows: a sand discharging device for a water inlet of a hydropower station, comprising a sand discharging shell and an inclined block, a support block is fixedly connected to the side surface of the sand discharging shell, a waterproof motor is fixedly connected to the upper surface of the support block, a driving rod is fixedly connected to the output end of the waterproof motor, a stirring blade is fixedly connected to the surface of the driving rod, one end of the driving rod is rotatably connected to the inner wall of the sand discharging shell, a small amount of sensor is fixedly connected to the inner wall of the sand discharging shell, a sand pumping pump is fixedly connected to the side surface of the sand discharging shell, a sand inlet pipe is fixedly connected to the water pumping end of the sand pumping pump, a groove is formed in the upper surface of the inclined block, and the end of the sand inlet pipe away from the sand pumping pump is fixedly connected to the bottom wall of the inner wall of the groove.
[0006] When the small amount of sensor detects that the sand content is high, the waterproof motor and the sand pumping pump are opened respectively, the waterproof motor operates to drive the driving rod to rotate, the driving rod rotates to drive the stirring blade to rotate, the accumulated sand and gravel are stirred and pushed into the groove, then the sand pumping pump operates to pump the sand and gravel in the groove out of the sand inlet pipe, and then the sand and gravel are discharged from the sand outlet pipe, so that the device has the effect of facilitating sand discharging.
[0007] In a preferred embodiment, a support plate is fixedly connected to the side surface of the sand discharging shell, and the upper surface of the support plate is fixedly connected to the lower surface of the sand pumping pump.
[0008] By adopting the technical scheme, the sand in the groove can be pumped out through the sand inlet pipe after the support plate is operated.
[0009] In a preferred embodiment, the water outlet end of the sand pumping pump is fixedly connected with a sand outlet pipe.
[0010] By adopting the technical scheme, the sand in the groove can be pumped out through the sand inlet pipe after the support plate is operated.
[0011] In a preferred embodiment, the side surface of the rectangular frame is screw-connected with a screw, and the screw is arranged in the side surface of the limiting plate.
[0012] By adopting the technical scheme, the sand in the groove can be pumped out through the sand inlet pipe after the support plate is operated.
[0013] In a preferred embodiment, the bottom wall of the inner wall of the sand discharging shell is fixedly connected with an inclined block, and one side of the inclined block is inclined at a certain angle.
[0014] By adopting the technical scheme, the sand in the groove can be pumped out through the sand inlet pipe after the support plate is operated.
[0015] In a preferred embodiment, the inner wall of the sand discharging shell is embedded with a bearing, and the inner ring surface of the bearing is fixedly connected with the surface of the driving rod.
[0016] By adopting the technical scheme, the sand in the groove can be pumped out through the sand inlet pipe after the support plate is operated.
[0017] As described above, due to the adoption of the above technical scheme, the beneficial effects of the present application are:
[0018] 1. In the present application, when the sensor detects that the sand content is high, the waterproof motor and the sand pumping pump are opened respectively, the waterproof motor is operated to drive the driving rod to rotate, the driving rod drives the stirring blade to rotate to stir and push the accumulated sand into the groove, then the sand pumping pump is operated to pump the sand in the groove out from the sand inlet pipe, and then the sand is discharged from the sand outlet pipe, so that the device has the effect of facilitating sand discharge. BRIEF DESCRIPTION OF DRAWINGS
[0019] Figure 1 It is a front view structural schematic diagram of the present application;
[0020] Figure 2 It is a right view structural schematic diagram of the present application;
[0021] Figure 3 It is a top view structural schematic diagram of the present application;
[0022] Figure 4 It is a left side structural schematic diagram of the present application.
[0023] Marked in the figure: 1, sand shell; 2, inclined block; 3, support block; 4, waterproof motor; 5, limiting plate; 6, screw; 7, rectangular frame; 8, sand pump; 9, sand pipe; 10, bearing; 11, drive rod; 12, stirring blade; 13, groove; 14, sand pipe; 15, support plate; 16, sediment content sensor; 17, filter screen. DETAILED DESCRIPTION
[0024] To make the purposes, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be described clearly and completely below in conjunction with the embodiments of the present application. Obviously, the described embodiments are some but not all of the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present application.
[0025] Embodiment:
[0026] With reference to Figures 2-4 A sediment discharging device for water inlet of a hydropower station, comprising a sediment discharging shell 1 and an inclined block 2, the side surface of the sediment discharging shell 1 is fixedly connected with a support block 3, the upper surface of the support block 3 is fixedly connected with a waterproof motor 4, the output end of the waterproof motor 4 is fixedly connected with a drive rod 11, the surface of the drive rod 11 is fixedly connected with a stirring blade 12, one end of the drive rod 11 is rotatably connected with the inner wall of the sediment discharging shell 1, the inner wall of the sediment discharging shell 1 is fixedly connected with a sediment content sensor 16, the side surface of the sediment discharging shell 1 is fixedly connected with a sand pumping pump 8, the water pumping end of the sand pumping pump 8 is fixedly connected with a sand pipe 14, the upper surface of the inclined block 2 is provided with a groove 13, and the end of the sand pipe 14 away from the sand pumping pump 8 is fixedly connected with the bottom wall of the inner wall of the groove 13. When the sediment content sensor 16 detects that the sediment content is high, the waterproof motor 4 and the sand pumping pump 8 are opened respectively, the waterproof motor 4 operates to drive the drive rod 11 to rotate, the drive rod 11 rotates to drive the stirring blade 12 to rotate, the accumulated sand and gravel are stirred and pushed into the groove 13, then the sand pumping pump 8 operates to pump out the sand and gravel in the groove 13 from the sand pipe 14, and then the sand and gravel are discharged from the sand pipe 9, so that the device has the effect of facilitating sand discharge.
[0027] With reference to Figures 2-4 The side surface of the sediment discharging shell 1 is fixedly connected with a support plate 15, and the upper surface of the support plate 15 is fixedly connected with the lower surface of the sand pumping pump 8. By arranging the support plate 15, the sand and gravel in the groove 13 can be pumped out after operation through the sand pipe 14.
[0028] With reference to Figures 1-2 The water outlet end of the sand pumping pump 8 is fixedly connected with a sand pipe 9. By arranging the sand pipe 9, the sand and gravel pumped out of the groove 13 can be taken out of the outside world.
[0029] With reference toFigures 2-3 The back of the sand discharging shell 1 is fixedly connected with a limiting plate 5, the side of the limiting plate 5 is fixedly connected with a rectangular frame 7, and the inner ring surface of the rectangular frame 7 is fixedly connected with a filter screen 17. The filter screen 17 can filter sand when water flows.
[0030] With reference to Figures 1-3 The side of the rectangular frame 7 is threadedly connected with a screw 6, the screw 6 is arranged in the side of the limiting plate 5, and the screw 6 can be rotated to fix the rectangular frame 7 on the limiting plate 5.
[0031] With reference to Figures 2-3 The bottom wall of the inner wall of the sand discharging shell 1 is fixedly connected with an inclined block 2, one side of the inclined block 2 is inclined at a certain angle, and the inclined block 2 can make sand slide into the sand discharging shell 1 and facilitate stirring by the stirring blade 12.
[0032] With reference to Figures 2-3 The inner wall of the sand discharging shell 1 is embedded with a bearing 10, and the inner ring surface of the bearing 10 is fixedly connected with the surface of the driving rod 11. The bearing 10 can rotate on the inner wall of the sand discharging shell 1 when the driving rod 11 is driven.
[0033] The implementation principle of the water inlet sand discharging device for a hydropower station is as follows: when the sensor 16 detects that the sand content is high, the waterproof motor 4 and the sand pumping pump 8 are opened, the waterproof motor 4 is driven to rotate the driving rod 11, the driving rod 11 is driven to rotate the stirring blade 12 to stir and push the accumulated sand into the groove 13, then the sand pumping pump 8 is operated to pump the sand in the groove 13 out of the sand inlet pipe 14, and then the sand is discharged from the sand outlet pipe 9, so that the device has the effect of facilitating sand discharging.
[0034] The above embodiments are only used to illustrate the technical solutions of the present application, but not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that they can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.
Claims
1. A water intake desilting device of a hydropower station, comprising a desilting shell (1) and an inclined block (2), characterized in that: The side of the sand discharge shell (1) is fixedly connected with a supporting block (3), the upper surface of the supporting block (3) is fixedly connected with a waterproof motor (4), the output end of the waterproof motor (4) is fixedly connected with a driving rod (11), the surface of the driving rod (11) is fixedly connected with a stirring blade (12), one end of the driving rod (11) is rotatably connected with the inner wall of the sand discharge shell (1), the inner wall of the sand discharge shell (1) is fixedly connected with a small amount of sensors (16), the side of the sand discharge shell (1) is fixedly connected with a sand pumping pump (8), the water pumping end of the sand pumping pump (8) is fixedly connected with a sand inlet pipe (14), the upper surface of the inclined block (2) is provided with a groove (13), and one end of the sand inlet pipe (14) away from the sand pumping pump (8) is fixedly connected with the bottom wall of the inner wall of the groove (13).
2. A water intake desilting device for a hydroelectric power station as claimed in claim 1, characterized in that: The side of the sand discharge shell (1) is fixedly connected with a supporting plate (15), and the upper surface of the supporting plate (15) is fixedly connected with the lower surface of the sand pumping pump (8).
3. A water intake desilting device for a hydroelectric power station as claimed in claim 1, characterized in that: The water outlet end of the sand pumping pump (8) is fixedly connected with a sand outlet pipe (9).
4. A water intake desilting device for a hydroelectric power station as claimed in claim 1, characterized in that: The back of the sand discharge shell (1) is fixedly connected with a limiting plate (5), the side of the limiting plate (5) is fixedly connected with a rectangular frame (7), and the inner annular surface of the rectangular frame (7) is fixedly connected with a filter screen (17).
5. A water intake desilting device for a hydroelectric power station as claimed in claim 4 wherein: The side of the rectangular frame (7) is threadedly connected with a screw (6), and the screw (6) penetrates the side of the limiting plate (5).
6. A water intake desilting device for a hydroelectric power station as claimed in claim 1, characterized in that: The bottom wall of the inner wall of the sand discharge shell (1) is fixedly connected with an inclined block (2), and one side of the inclined block (2) is inclined at a certain angle.
7. A water intake desilting device for a hydroelectric power station as claimed in claim 1, characterized in that: The inner wall of the sand discharge shell (1) is embedded with a bearing (10), and the inner annular surface of the bearing (10) is fixedly connected with the surface of the driving rod (11).