Hydropower station water level drainage structure
By introducing a flushing and cleaning mechanism into the hydropower station's water level drainage structure, and utilizing a high-pressure water pump and a cleaning rotor driven by a servo motor, the problem of dirt and sand clogging at the bottom of the water level has been solved, achieving automated cleaning and improving drainage efficiency and the degree of automation in equipment operation.
Patent Information
- Application Number
- CN202422870103.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-25
- Publication Date
- 2025-11-07
- Estimated Expiration
- 2034-11-25
AI Technical Summary
In existing hydropower station water level drainage structures, dirt and sand at the bottom of the water level are prone to clogging, leading to drainage difficulties and requiring manual cleaning, which is time-consuming and labor-intensive.
A water level drainage structure for a hydropower station was designed, comprising a flushing mechanism and a cleaning mechanism. It uses a high-pressure water pump, flushing nozzles, a servo motor, and a cleaning rotor to automatically clean the dirt and sand at the bottom. Rainwater is collected through a water storage tank and a filtration system, and the cleaning is carried out by the impact of the high-pressure water pump and nozzles, as well as the rotation of the rotor driven by the servo motor.
It achieves automated cleaning of dirt and gravel, reduces manual intervention, improves drainage efficiency and the degree of automation in equipment operation, and reduces maintenance costs.
Smart Images

Figure CN223523065U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of hydropower station especially relates to a water level drainage structure of hydropower station. BACKGROUND
[0002] The water level drainage system in a hydropower station is an important component that ensures the safe and effective operation of the station. It is mainly used to control the water level of a reservoir or pond, ensuring the normal operation of power generation equipment, while preventing floods or other potential water level problems.
[0003] Basic concepts of water level drainage
[0004] The water level drainage system of a hydropower station mainly includes the following aspects:
[0005] Water level monitoring:
[0006] Through water level sensors and monitoring equipment, real-time monitoring of the water level changes in the reservoir or pond is achieved. These sensors can send water level data to the control system, helping management personnel understand the current water level situation.
[0007] Drainage equipment:
[0008] Flood discharge gate: used to discharge excess water when the water level is too high, preventing flood overflow.
[0009] Spillway: designed to automatically drain water when the water level exceeds the safety limit, ensuring that the reservoir does not overflow.
[0010] Water pump: when needed, the water pump can discharge water to control the water level.
[0011] Control system:
[0012] The control system receives data from the water level sensors and automatically controls the operation of the drainage equipment according to the preset water level range, ensuring that the water level is within the safe range.
[0013] Purpose of water level drainage
[0014] Safety:
[0015] Control the water level to prevent reservoir overflow or safety accidents such as dam collapse.
[0016] Optimize power generation:
[0017] Maintain an appropriate water level to ensure that the water turbine operates under optimal conditions, maximizing power generation efficiency.
[0018] Water resource management:
[0019] Rationally allocate water resources to ensure that downstream water demand and ecological needs are met.
[0020] Work flow of water level drainage
[0021] Monitoring:
[0022] The water level sensor monitors the reservoir water level in real time and feeds data back to the control system.
[0023] Comparison and Decision:
[0024] The control system compares the set safe water level with the actual water level and determines whether drainage is needed.
[0025] Execution:
[0026] If the water level is too high, the control system will automatically open the floodgate or start the water pump to drain the water.
[0027] Feedback and Adjustment:
[0028] After the water level drops, the system will continue to monitor and automatically adjust the drainage measures according to the water level changes to ensure that the water level is maintained within a safe range.
[0029] Notes
[0030] Equipment Maintenance:
[0031] Regularly check and maintain the drainage equipment (such as pumps, gates, etc.) to ensure normal operation.
[0032] Emergency Plan:
[0033] Develop an emergency plan to deal with sudden floods or equipment failures to ensure the safety of the hydropower station.
[0034] Environmental Considerations:
[0035] Consider the downstream ecological impact during the drainage process to minimize negative environmental impact.
[0036] In the prior art, although the water level drainage structure of the hydropower station can normally drain water, the bottom of the water level will inevitably push sand or a large amount of dirt for a long time, causing blockage and preventing drainage, which requires manual cleaning by staff, which is time-consuming and labor-intensive.
[0037] Therefore, we propose a water level drainage structure for a hydropower station. Content of the Utility Model
[0038] The utility model mainly solves the technical problems existing in the prior art and provides a water level drainage structure for a hydropower station.
[0039] To achieve the above object, the utility model discloses the following technical scheme is used, a water level drainage structure of hydropower station, including drainage gate body and gate support body, the outer wall of drainage gate body is provided with the flushing mechanism, and the flushing mechanism includes the flushing shunt box and the flushing nozzle and corresponding water storage tank and high pressure water pump, the outer wall of drainage gate body is also provided with cleaning mechanism, and the cleaning mechanism includes the rectangular support board, servo motor, installation support, drive link and cleaning rotor piece, the outer wall of drainage gate body is also provided with two fixed support plates, and the left and right two end wall surfaces of two fixed support plates are respectively provided with the adjusting installation groove, and the adjusting mechanism for driving installation support is arranged in the left end adjusting installation groove, and the adjusting mechanism includes the drive motor and the guide screw and the adjusting displacement.
[0040] As a preferred technical scheme of the utility model, the flushing shunt box is fixedly installed on the front end wall of the drainage gate body, and the flushing nozzle has a plurality of flushing nozzles, and the plurality of flushing nozzles are fixedly sleeved on the bottom end wall of the flushing shunt box.
[0041] As a preferred technical scheme of the utility model, the front end wall of the gate support body is fixedly provided with a positioning support plate, the water storage tank is fixedly installed on the top end wall of the positioning support plate, the inner wall of the water storage tank is fixedly provided with a filter cotton plate, and the inner wall of the water storage tank is fixedly provided with a filter mesh.
[0042] As a preferred technical scheme of the utility model, the high pressure water pump is fixedly installed on the top end wall of the positioning support plate, and the right end output end of the high pressure water pump is fixedly sleeved with a connecting pipe one, and the other end of the connecting pipe one is fixedly sleeved on the left side outer wall of the water storage tank.
[0043] As a preferred technical scheme of the utility model, the left end output end of the high pressure water pump is fixedly sleeved with a connecting pipe two, and the other end of the connecting pipe two is fixedly sleeved on the top end wall of the flushing shunt box through the positioning support plate.
[0044] As a preferred technical scheme of the utility model, the fixed support plate is fixedly installed on the front end wall of the drainage gate body.
[0045] As a preferred technical scheme of the utility model, the drive motor is fixedly installed on the bottom inner wall of the left end adjusting installation groove, the bottom end of the guide screw is fixedly sleeved on the top output end of the drive motor, and the top end of the guide screw is movably sleeved on the top inner wall of the left end adjusting installation groove.
[0046] As a preferred technical scheme of the utility model, the adjusting displacement has a plurality of adjusting displacements, and the two adjusting displacements are movably installed in the two adjusting installation grooves, and the left end adjusting displacement is provided with a threaded sliding groove matched with the guide screw.
[0047] As a preferred technical scheme of the utility model, the threaded sliding groove is sleeved on the guide screw, and the left and right ends of the mounting support away from each other are fixedly installed on the left and right end walls of the two adjusting moving blocks close to each other.
[0048] As a preferred technical scheme of the utility model, the rectangular supporting plates are multiple, the multiple rectangular supporting plates are fixedly installed on the front end walls of the mounting supports, the servo motors are multiple, the multiple servo motors are fixedly installed on the top end walls of the multiple rectangular supporting plates, and the driving rotating rods are multiple, and the top ends of the multiple driving rotating rods are fixedly sleeved on the bottom output ends of the multiple servo motors.
[0049] As a preferred technical scheme of the utility model, the cleaning rotating plates are multiple, and the multiple cleaning rotating plates are fixedly installed on the outer walls of the multiple driving rotating rods.
[0050] Beneficial effects
[0051] The utility model provides a kind of water level drainage structure of hydropower station. With following beneficial effects:
[0052] 1, the water level drainage structure of hydropower station, when needing to use, it is convenient to collect rainwater by the cooperation of the water storage tank and filter cotton board and filter dense net, and the water source is transmitted to the pollution flushing and shunting box by the cooperation of the corresponding connecting pipe piece one and connecting pipe piece two under the output of the start high-pressure water pump, and then the dirt or sandstone accumulated at the bottom is impacted by the set pollution flushing nozzle, so as to facilitate drainage.
[0053] 2, the water level drainage structure of hydropower station, when needing to use, it is convenient to drain by the output of the start servo motor driving driving rotating rod and cleaning rotating plate rotation to clean and crush dirt and sandstone at the bottom of water level. DRAWINGS
[0054] The structure, proportion, size and the like shown in the specification are only used to cooperate with the content disclosed in the specification for understanding and reading by those skilled in the art, and do not define the limiting conditions that can be implemented by the utility model, so it has no technical substantive significance.
[0055] Figure 1 It is the overall structure of the utility model.
[0056] Figure 2 It is the utility model Figure 1 The enlarged view of A in the utility model.
[0057] Figure 3 It is the utility model Figure 1 The enlarged view of B in the utility model.
[0058] Legend:
[0059] 101, drainage gate body; 102, gate support body; 11, sewage diversion box; 12, sewage nozzle; 13, positioning support plate; 14, water storage tank; 15, filter cotton plate; 16, filter mesh; 17, high-pressure water pump; 18, connecting pipe fitting one; 19, connecting pipe fitting two; 20, fixed support plate; 21, adjusting installation groove; 22, drive motor; 23, guide screw; 24, adjusting displacement block; 25, threaded sliding groove; 26, rectangular support plate; 27, servo motor; 28, drive rotating rod; 29, cleaning rotating piece. DETAILED DESCRIPTION
[0060] A water level drainage structure of a hydropower station, comprising a water level drainage structure of a hydropower station, comprising Figures 1-3As shown, including drainage gate body 101 and gate bracket body 102, the outer wall of drainage gate body 101 is provided with a flushing mechanism, the flushing mechanism includes a flushing shunt box 11 and a flushing nozzle 12 and the corresponding water storage tank 14 and high pressure water pump 17, the outer wall of drainage gate body 101 is also provided with cleaning mechanism, cleaning mechanism includes a rectangular support plate 26, servo motor 27, installation support rod, drive rod 28 and cleaning rotor 29, the outer wall of drainage gate body 101 is also provided with two fixed support plate 20, two fixed support plate 20 are close to each other on the left and right two end wall surface respectively set up adjusting installation groove 21, the left end adjusting installation groove 21 is provided with adjusting mechanism for driving the installation support rod, adjusting mechanism includes drive motor 22 and guide screw 23 and adjusting shift block 24, flushing shunt box 11 is fixedly installed on the front end wall of drainage gate body 101, flushing nozzle 12 has a plurality of, a plurality of flushing nozzle 12 is respectively fixedly sleeved on the bottom end wall of flushing shunt box 11, the front end wall of gate bracket body 102 is fixedly installed with positioning support plate 13, water storage tank 14 is fixedly installed on the top end wall of positioning support plate 13, the inner wall of water storage tank 14 is fixedly installed with filter cotton board 15, the inner wall of water storage tank 14 is fixedly installed with filter mesh 16, high pressure water pump 17 is fixedly installed on the top end wall of positioning support plate 13, the right end output end of high pressure water pump 17 is fixedly sleeved with connecting pipe one 18, the other end of connecting pipe one 18 is fixedly sleeved on the left side outer wall of water storage tank 14, the left end output end of high pressure water pump 17 is fixedly sleeved with connecting pipe two 19, the other end of connecting pipe two 19 is fixedly sleeved on the top end wall of flushing shunt box 11 through positioning support plate 13, two fixed support plate 20 are respectively fixedly installed on the front end wall of drainage gate body 101, drive motor 22 is fixedly installed on the bottom inner wall of left end adjusting installation groove 21, the bottom end of guide screw 23 is fixedly sleeved on the top output end of drive motor 22, the top end of guide screw 23 is movably sleeved on the top inner wall of left end adjusting installation groove 21, adjusting shift block 24 has a plurality of, two adjusting shift blocks 24 are movably installed in two adjusting installation grooves 21, the left end adjusting shift block 24 is provided with a threaded slot 25 matched with guide screw 23, the threaded slot 25 is movably sleeved on the guide screw 23, the left and right two ends of installation support rod are respectively fixedly installed on the left and right two end wall surfaces of two adjusting shift blocks 24, rectangular support plate 26 has a plurality of, a plurality of rectangular support plates 26 are respectively fixedly installed on the front end wall of installation support rod, servo motor 27 has a plurality of, a plurality of servo motors 27 are respectively fixedly installed on the top end wall of a plurality of rectangular support plates 26, drive rod 28 has a plurality of, the top end of a plurality of drive rods 28 is respectively fixedly sleeved on the bottom output end of a plurality of servo motors 27 through rectangular support plate 26, cleaning rotor 29 has a plurality of, a plurality of cleaning rotors 29 are respectively fixedly installed on the outer wall of a plurality of drive rods 28.
[0061] The utility model discloses a working principle: when needing to use, through the cooperation of the water storage tank body 14 and filter cotton board 15 and filter dense net 16 that set up, it is convenient to collect rainwater, through the cooperation of the corresponding connecting pipe spare one 18 and connecting pipe spare two 19 of the output of starting set up high pressure water pump 17, water source is transmitted to the sewage flushing and shunting box 11, and then through the setting of sewage flushing nozzle 12, the dirt or sandstone that the bottom accumulated is impacted and is convenient to drain.
[0062] When needing to use, through the cooperation of the corresponding connecting pipe spare one 18 and connecting pipe spare two 19 of the output of starting set up high pressure water pump 17, water source is transmitted to the sewage flushing and shunting box 11, and then through the setting of sewage flushing nozzle 12, the dirt or sandstone that the bottom accumulated is impacted and is convenient to drain.
[0063] The utility model discloses a working principle: when needing to use, through the cooperation of the water storage tank body 14 and filter cotton board 15 and filter dense net 16 that set up, it is convenient to collect rainwater, through the cooperation of the corresponding connecting pipe spare one 18 and connecting pipe spare two 19 of the output of starting set up high pressure water pump 17, water source is transmitted to the sewage flushing and shunting box 11, and then through the setting of sewage flushing nozzle 12, the dirt or sandstone that the bottom accumulated is impacted and is convenient to drain.
Claims
1. A water level drainage structure of a hydroelectric power station, comprising a drainage gate body (101) and a gate support body (102), characterized in that: The outer wall of the drainage gate body (101) is provided with a sewage flushing mechanism, which comprises a sewage flushing shunt box (11), a sewage flushing nozzle (12), a corresponding water storage tank (14) and a high-pressure water pump (17). The outer wall of the drainage gate body (101) is also provided with a cleaning mechanism, which comprises a rectangular support plate (26), a servo motor (27), an installation support rod, a drive rotating rod (28) and a cleaning rotating plate (29). The outer wall of the drainage gate body (101) is also provided with two fixed support plates (20). The left and right end walls of the two fixed support plates (20) are respectively provided with adjusting installation grooves (21). An adjusting mechanism is arranged in the left end adjusting installation groove (21) for driving the installation support rod. The adjusting mechanism comprises a drive motor (22), a guide screw (23) and an adjusting displacement block (24).
2. A water level drainage structure for a hydroelectric power station according to claim 1, characterised in that: The sewage flushing shunt box (11) is fixedly installed on the front end wall of the drainage gate body (101). The sewage flushing nozzle (12) has a plurality of sewage flushing nozzles (12) which are respectively fixedly sleeved on the bottom end wall of the sewage flushing shunt box (11).
3. A water level drainage structure for a hydroelectric power station according to claim 1, characterized in that: The front end wall of the gate support body (102) is fixedly provided with a positioning support plate (13). The water storage tank (14) is fixedly installed on the top end wall of the positioning support plate (13). The inner wall of the water storage tank (14) is fixedly provided with a filter cotton plate (15). The inner wall of the water storage tank (14) is fixedly provided with a filter mesh (16).
4. A water level drainage structure for a hydroelectric power station according to claim 1, characterized in that: The high-pressure water pump (17) is fixedly installed on the top end wall of the positioning support plate (13). The right end output end of the high-pressure water pump (17) is fixedly sleeved with a connecting pipe (18). The other end of the connecting pipe (18) is fixedly sleeved on the left side outer wall of the water storage tank (14).
5. A water level drainage structure for a hydroelectric power station according to claim 1, characterized in that: The left end output end of the high-pressure water pump (17) is fixedly sleeved with a connecting pipe (19). The other end of the connecting pipe (19) penetrates through the positioning support plate (13) and is fixedly sleeved on the top end wall of the sewage flushing shunt box (11).
6. A water level drainage structure for a hydroelectric power station according to claim 1, characterized in that: The two fixed support plates (20) are respectively fixedly installed on the front end wall of the drainage gate body (101). The drive motor (22) is fixedly installed on the bottom inner wall of the left end adjusting installation groove (21). The bottom end of the guide screw (23) is fixedly sleeved on the top output end of the drive motor (22). The top end of the guide screw (23) is movably sleeved on the top inner wall of the left end adjusting installation groove (21).
7. A water level drainage structure for a hydroelectric power station according to claim 1, characterized in that: The adjusting displacement block (24) has a plurality of adjusting displacement blocks (24). The two adjusting displacement blocks (24) are movably installed in the two adjusting installation grooves (21). The left end adjusting displacement block (24) is provided with a threaded sliding groove (25) matched with the guide screw (23). The threaded sliding groove (25) is movably sleeved on the guide screw (23). The left and right ends of the installation support rod are respectively fixedly installed on the left and right end walls of the two adjusting displacement blocks (24).
8. A water level drainage structure for a hydroelectric power station according to claim 1, characterized in that: The rectangular support plates (26) are shared and fixedly installed on the front end wall of the installation support rod, the servo motors (27) are shared and fixedly installed on the top end wall of the rectangular support plates (26), the drive rotating rods (28) are shared and the top ends of the drive rotating rods (28) are respectively penetrated through the rectangular support plates (26) and fixedly sleeved on the bottom output ends of the servo motors (27), and the cleaning rotating plates (29) are shared and fixedly installed on the outer wall of the drive rotating rods (28).