Trash holding device for water intake of hydropower station
By designing a dirt blocking device including a dirt blocking mesh plate and a hydraulic drive mechanism, the problem of debris accumulation at the water intake of hydropower stations and the dirt blocking gate is solved, and the effect of effective cleaning and preventing the dirt blocking is achieved, which improves the practicality of the device and reduces the operating cost.
Patent Information
- Application Number
- CN202421815712.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-30
- Publication Date
- 2025-05-06
- Estimated Expiration
- 2034-07-30
AI Technical Summary
The accumulation of debris such as trees, branches, roots and other debris at the water intake of hydropower stations affects the unit's output and causes the stagnation of the dirty grid, reducing the practicality of the device.
A dirt blocking device including dirt blocking mesh plate 1, dirt blocking mesh plate 2, dirt blocking mesh plate 3 and hydraulic drive mechanism is designed. The hydraulic output rod and dirt blocking mesh plate 3 are driven upward to clean it. Combined with the coordination of dirt blocking mesh plate 2 and limit handle, it is necessary to ensure the cleaning of dirt blocking mesh plate 2 and dirt blocking mesh plate 1 to prevent it from getting stuck.
Effectively clean the dirt from the water intake, prevent debris from accumulating and blocking of the grime, improve the practicality of the device and reduce operating costs.
Smart Images
Figure CN222834830U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of hydropower stations, in particular to a pollution intercepting device used for a water intake of a hydropower station. Background Art
[0002] A hydroelectric power station is a facility that uses the energy of water flow to generate electricity. It usually consists of the following main parts:
[0003] Reservoir or water source: Hydropower plants are usually built on rivers, lakes or reservoirs. Reservoirs control the flow of water through dams, ensuring that water is released when needed to drive turbines to generate electricity.
[0004] Turbine: The turbine is the core component that converts water flow energy into mechanical energy. Depending on the type and speed of water flow, turbines can be divided into different types, including Pelton turbine, Francis turbine and Kaplan turbine.
[0005] Generator: The turbine turns the generator, converting mechanical energy into electrical energy. The generator is the final equipment for generating electricity in a hydropower station, and it feeds the generated electricity into the power grid to supply users.
[0006] Dispatching control system: The hydropower station is equipped with a dispatching control system to manage and control the water level of the reservoir, adjust the operation of the turbine and the power generation to respond to the needs of the power grid.
[0007] Transformer and grid connection: The generated electric energy is stepped up by the transformer and then sent to the grid for use by various users and equipment.
[0008] Auxiliary facilities: including cooling system, ventilation system, oil system, etc., to ensure the normal operation and maintenance of turbine units and power generation equipment.
[0009] Pollution interception and cleaning schemes at hydropower stations have always attracted much attention from industry insiders, as they directly affect power loss, power generation efficiency, operating costs, etc., especially during the flood season when the units are fully operational.
[0010] In the prior art, when the water intake of a hydropower station is in use, debris such as trees, branches, and roots will continuously drift down from the water intake and accumulate in front of the trash rack, affecting the output of the unit. In addition, branches and roots often block the trash rack, causing the equipment to not operate normally, reducing the practicality of the device.
[0011] To this end, we propose a pollution interception device for the water intake of a hydropower station. Utility Model Content
[0012] The utility model mainly solves the technical problems existing in the above-mentioned prior art and provides a pollution intercepting device for the water intake of a hydropower station.
[0013] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a pollution blocking device for a water intake of a hydropower station, comprising a water intake channel body, a pollution blocking mechanism is arranged in the water intake channel body, the pollution blocking mechanism comprises pollution blocking mesh plate one, pollution blocking mesh plate two and pollution blocking mesh plate three, a positioning bracket is arranged on the top end wall of the water intake channel body, a driving mechanism for adjusting pollution blocking mesh plate three is arranged on the bottom end wall of the positioning bracket, the driving mechanism comprises a hydraulic output machine and a hydraulic output rod, and an installation slot compatible with pollution blocking mesh plate two is arranged on the top end wall of pollution blocking mesh plate one.
[0014] As a preferred technical solution of the utility model, the trash screen plate 1 is fixedly installed on the inner walls of the left and right ends of the water intake channel body that are close to each other, and the installation slot is opened on the top wall of the trash screen plate 1.
[0015] As a preferred technical solution of the utility model, the second dirt-blocking screen plate is movably installed in the installation slot, and sliding rail grooves are respectively provided on the inner walls of the left and right ends of the installation slot that are close to each other.
[0016] As a preferred technical solution of the utility model, slide bars adapted to two sliding rail grooves are fixedly installed on the left and right outer walls of the two trash-blocking screen plates that are far away from each other, and the two slide bars are movably installed in the two sliding rail grooves.
[0017] As a preferred technical solution of the utility model, a limit handle is fixedly installed on the top wall of the second trash-blocking screen plate.
[0018] As a preferred technical solution of the utility model, the hydraulic output machine is fixedly mounted on the bottom end wall of the positioning bracket, and the top end of the hydraulic output rod is fixedly sleeved on the bottom output end of the hydraulic output machine.
[0019] As a preferred technical solution of the utility model, the bottom end of the hydraulic output rod is fixedly mounted on the top end wall of the trash screen plate three.
[0020] As a preferred technical solution of the utility model, a solar panel is fixedly mounted on the top wall of the positioning bracket.
[0021] As a preferred technical solution of the utility model, the solar panel is electrically connected to the hydraulic output machine.
[0022] Beneficial Effects
[0023] The utility model provides a pollution interception device for a water intake of a hydropower station, which has the following beneficial effects:
[0024] 1. This kind of pollution intercepting device used for the water intake of a hydropower station, when needed, starts the hydraulic output machine to output and drives the hydraulic output rod and the pollution intercepting mesh plate three to move upward, so as to clean the dirt on the pollution intercepting mesh plate three. After cleaning, it moves downward to intercept the pollution. Then, through the cooperation between the pollution intercepting mesh plate two and the limit handle, it is convenient to clean the pollution intercepting mesh plate two and the pollution intercepting mesh plate one to prevent them from getting stuck and affecting the normal operation of the equipment.
[0025] 2. The pollution intercepting device used for the water intake of a hydropower station can conveniently supply energy to the hydraulic output machine through the solar panels when it is needed, thereby saving the use cost and improving the practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS
[0026] The structures, proportions, sizes, etc. illustrated in this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read, and are not used to limit the conditions under which the utility model can be implemented, so they have no substantial technical significance.
[0027] Figure 1 It is a diagram showing the overall structure of the utility model;
[0028] Figure 2 Utility Model Figure 1 Enlarged view of point A in the middle;
[0029] Figure 3 Utility Model Figure 1 Enlarged view of point B in the middle.
[0030] Legend:
[0031] 10. Water intake channel body; 11. Positioning bracket; 12. Trash screen plate 1; 13. Trash screen plate 2; 14. Installation slot; 15. Trash screen plate 3; 16. Sliding rail groove; 17. Limiting handle; 18. Hydraulic output machine; 19. Hydraulic output rod. DETAILED DESCRIPTION
[0032] In order to more clearly illustrate the implementation of the utility model or the technical solution in the prior art, the following is a brief introduction to the drawings required for the implementation or the prior art description. Obviously, the drawings described below are only exemplary, and for ordinary technicians in this field, other implementation drawings can be derived from the provided drawings without creative work.
[0033] The structures, proportions, sizes, etc. illustrated in this specification are only used to match the contents disclosed in the specification so as to facilitate understanding and reading by persons familiar with the technology. They are not used to limit the conditions under which the present invention can be implemented, and therefore have no substantial technical significance. Any structural modification, change in proportion or adjustment of size shall still fall within the scope of the technical contents disclosed in the present invention without affecting the effects and purposes that can be achieved by the present invention.
[0034] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.
[0035] In the description of the embodiments of the present utility model, it should be noted that the terms "center", "upper", "lower", "inner", "outer", "side", etc. indicate the orientation or position relationship based on the orientation or position relationship shown in the drawings, or the orientation or position relationship in which the utility model product is usually placed when in use, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.
[0036] In the description of the embodiments of the present utility model, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the embodiments of the present utility model can be understood according to specific circumstances.
[0037] A pollution interception device for a water intake of a hydropower station, such as Figure 1-3As shown, it includes a water intake channel body 10, in which a dirt blocking mechanism is arranged, the dirt blocking mechanism includes a dirt blocking mesh plate 12, a dirt blocking mesh plate 2 13 and a dirt blocking mesh plate 3 15, a positioning bracket 11 is arranged on the top wall of the water intake channel body 10, a driving mechanism for adjusting the dirt blocking mesh plate 3 15 is arranged on the bottom wall of the positioning bracket 11, the driving mechanism includes a hydraulic output machine 18 and a hydraulic output rod 19, a mounting slot 14 matched with the dirt blocking mesh plate 2 13 is arranged on the top wall of the dirt blocking mesh plate 12, the dirt blocking mesh plate 12 is fixedly installed on the inner walls of the left and right ends of the water intake channel body 10 close to each other, the mounting slot 14 is opened on the top wall of the dirt blocking mesh plate 12, and the dirt blocking mesh plate 2 13 is movably installed in the mounting slot 14, sliding rail grooves 16 are respectively opened on the inner walls of the left and right ends of the installation slot 14 that are close to each other, and sliding bars compatible with the two sliding rail grooves 16 are respectively fixedly installed on the outer walls of the left and right ends of the pollution-blocking net plate 13 that are far away from each other, and the two sliding bars are respectively movably installed in the two sliding rail grooves 16, and a limit handle 17 is fixedly installed on the top wall of the pollution-blocking net plate 13, and the hydraulic output machine 18 is fixedly installed on the bottom end wall of the positioning bracket 11. The top end of the hydraulic output rod 19 is fixedly inserted into the bottom output end of the hydraulic output machine 18, and the bottom end of the hydraulic output rod 19 is fixedly installed on the top wall of the pollution-blocking net plate 3 15, and a solar panel is fixedly installed on the top wall of the positioning bracket 11, and the solar panel and the hydraulic output machine 18 are electrically connected.
[0038] The working principle of the utility model is as follows: when it is needed, the hydraulic output machine 18 is started to output and drive the hydraulic output rod 19 and the dirt blocking mesh plate 3 15 to move upward, so as to clean the dirt on the dirt blocking mesh plate 3 15. After cleaning, it moves downward to block the dirt. Then, through the cooperation between the dirt blocking mesh plate 2 13 and the limit handle 17, it is convenient to clean the dirt blocking mesh plate 2 13 and the dirt blocking mesh plate 1 12 to prevent jamming and affecting the normal operation of the equipment.
[0039] When needed, the solar panels can be used to power the hydraulic output machine 18, which saves the cost and improves the practicality of the device.
[0040] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. The technicians in this industry should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.
Claims
1. A pollution interception device for a water intake of a hydropower station, comprising a water intake channel body (10), characterized in that: The water intake channel body (10) is provided with a dirt blocking mechanism, which includes dirt blocking mesh plate one (12), dirt blocking mesh plate two (13) and dirt blocking mesh plate three (15). A positioning bracket (11) is provided on the top end wall of the water intake channel body (10), and a driving mechanism for adjusting dirt blocking mesh plate three (15) is provided on the bottom end wall of the positioning bracket (11), and the driving mechanism includes a hydraulic output machine (18) and a hydraulic output rod (19). A mounting slot (14) adapted to dirt blocking mesh plate two (13) is provided on the top end wall of the dirt blocking mesh plate one (12).
2. A pollution interception device for a water intake of a hydropower station according to claim 1, characterized in that: The trash screen plate 1 (12) is fixedly mounted on the inner walls of the left and right ends of the water intake channel body (10) which are close to each other, and the mounting slot (14) is arranged on the top wall of the trash screen plate 1 (12).
3. A pollution interception device for a water intake of a hydropower station according to claim 1, characterized in that: The second dirt-blocking screen plate (13) is movably installed in the installation slot (14), and sliding rail grooves (16) are respectively provided on the inner walls of the left and right ends of the installation slot (14) close to each other.
4. The pollution intercepting device for a water intake of a hydropower station according to claim 1, characterized in that: Slide bars adapted to the two sliding rail grooves (16) are fixedly mounted on the left and right outer walls of the second trash-blocking screen plate (13) which are far away from each other, and the two slide bars are movably mounted in the two sliding rail grooves (16).
5. The pollution intercepting device for a water intake of a hydropower station according to claim 1, characterized in that: A limit handle (17) is fixedly mounted on the top wall of the second trash-blocking screen plate (13).
6. The pollution intercepting device for a water intake of a hydropower station according to claim 1, characterized in that: The hydraulic output machine (18) is fixedly mounted on the bottom end wall of the positioning bracket (11), the top end of the hydraulic output rod (19) is fixedly sleeved on the bottom output end of the hydraulic output machine (18), and the bottom end of the hydraulic output rod (19) is fixedly mounted on the top end wall of the trash screen plate three (15).
7. The pollution intercepting device for a water intake of a hydropower station according to claim 1, characterized in that: A solar panel is fixedly mounted on the top wall of the positioning bracket (11), and the solar panel is electrically connected to the hydraulic output machine (18).