Sewage filtering device for hydropower station

Through the design of the drive mechanism and insert plates, the uniform distribution of wastewater in the wastewater filtration device of the hydropower station and convenient maintenance are achieved, the problem of local overload of the filter screen is solved, the filtration efficiency is improved and the maintenance cost is reduced.

CN224009223UActive Publication Date: 2026-03-20HUBEI ENERGY GRP LIUSHUI HYDROPOWER CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-23
Publication Date
2026-03-20

AI Technical Summary

Technical Problem

In existing sewage filtration devices at hydropower stations, some areas of the filter screen are overloaded, while other areas are not fully utilized, resulting in low filtration efficiency.

Method used

The drive mechanism moves the moving frame back and forth, and the sewage is evenly distributed along the inclined plate. Combined with the design of the disassembly and assembly of the insert block and the insert plate, the filter screen can be used evenly and maintained conveniently.

Benefits of technology

It improves wastewater filtration efficiency, avoids localized overload of the filter screen, and reduces maintenance costs.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224009223U_ABST
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Abstract

The utility model relates to the field of hydropower stations, and discloses a sewage filtering device for a hydropower station, which comprises a water tank, a sewage pipe arranged above the water tank, a hose fixedly connected to the bottom end of the sewage pipe, a moving frame fixedly connected to the tail end of the hose, a sliding block fixedly connected to the bottom end of the moving frame, and a connecting plate fixedly connected to the outer wall of the sliding block. A driving mechanism is arranged on the outer wall of the water tank, an inclined plate is fixedly connected to the inner wall of the moving frame, a guide rail is fixedly connected to the outer wall of the water tank, a drainage pipe is arranged at the right end of the water tank, a filtering frame is arranged on the inner wall of the water tank, and a dismounting assembly is arranged on the inner wall of the water tank. According to the utility model, the motor drives the driving structure to enable the movable frame to move back and forth, sewage flows into the movable frame through the hose, flows along the inclined plate, is discharged and is uniformly poured at all positions of the filter screen of the filter frame, thereby avoiding centralized pouring of the sewage, fully utilizing the area of the filter screen and improving the filtering efficiency and effect.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of hydropower station especially relates to a sewage filter device for hydropower station. BACKGROUND

[0002] The hydropower station is the water conservancy hub engineering that is constituted by water system, mechanical system and electric energy generation device etc., is the place that realizes water energy to electric energy conversion, and the sewage produced in the operation process of hydropower station contains sand, soil, suspended solids, algae and other impurities, if not treated, these impurities enter the equipment such as water turbine, generator unit, can cause equipment wear and tear, blockage, reduce equipment service life, increase maintenance cost, even lead to equipment failure shutdown, and the sewage filter device can intercept impurities and prevent equipment damage.

[0003] In the prior art, the following defects exist: some sewage filter devices used in the current hydropower station have many problems, as the drainage pipe of the hydropower station is often in a fixed state, and the sewage often concentrates and pours in a certain place of the filter screen during filtration, resulting in that the filtration load of the partial area of the filter screen is too large, and other areas cannot be fully utilized, thereby reducing the overall filtration efficiency and effect, and therefore a sewage filter device for hydropower station is proposed to solve the above problems. UTILITY MODEL CONTENT

[0004] In order to make up for the above shortcomings, the utility model provides a sewage filter device for hydropower station, which aims to improve the problem that the partial area of the filter screen cannot be fully utilized in the prior art.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme: a sewage filter device for hydropower station, comprising a water tank, a sewage pipe is arranged above the water tank, a soft pipe is fixedly connected to the bottom end of the sewage pipe, a moving frame is fixedly connected to the end of the soft pipe, a sliding block is fixedly connected to the bottom end of the moving frame, a connecting plate is fixedly connected to the outer wall of the sliding block, a driving mechanism is arranged on the outer wall of the water tank, an inclined plate is fixedly connected to the inner wall of the moving frame, a guide rail is fixedly connected to the outer wall of the water tank, a drainage pipe is arranged at the right end of the water tank, a filter frame is arranged on the inner wall of the water tank, and a dismounting assembly is arranged on the inner wall of the water tank.

[0006] The driving mechanism comprises a motor, the motor is fixedly connected to the outer wall of the water tank, a fixed plate is fixedly connected to the output end of the motor, and a circular pipe is fixedly connected to the outer wall of the fixed plate.

[0007] Further description of the above technical scheme:

[0008] The disassembling and assembling component comprises a U-shaped frame, the U-shaped frame is inserted on the inner wall of the water tank, a rubber strip is arranged on the outer wall of the right end of the U-shaped frame, a handle is fixedly connected to the right end of the U-shaped frame, an insertion block is inserted on the inner wall of the handle, and an insertion plate is inserted on the outer wall of the insertion block.

[0009] As a further description of the above technical solution:

[0010] The insertion plate is fixedly connected to the right end side wall of the water tank.

[0011] As a further description of the above technical solution:

[0012] The filter frame is inserted on the inner wall of the U-shaped frame.

[0013] As a further description of the above technical solution:

[0014] The circular pipe is attached to the inner wall of the connecting plate.

[0015] As a further description of the above technical solution:

[0016] The sliding block is connected on the inner wall of the guide rail in a penetrating and sliding mode.

[0017] As a further description of the above technical solution:

[0018] The guide rail is provided with two groups, and the two groups of guide rails are symmetrically arranged.

[0019] As a further description of the above technical solution:

[0020] The two sides of the inclined plate are inclined surfaces.

[0021] The utility model has the advantages of the following:

[0022] 1、 in the utility model, the moving frame is reciprocatingly moved through the motor driving structure, sewage flows into the moving frame through the hose, flows along the inclined plate and is discharged, is uniformly poured on each place of the filter screen of the filter frame, avoids that sewage is concentratedly poured, fully utilizes the filter screen area, and the filtering efficiency and effect are improved.

[0023] 2、 in the utility model, the insertion block and the insertion plate are connected in a matching mode, when the filter screen of the filter frame is cleaned or replaced, the U-shaped frame is separated from the main body only by moving the insertion block upward, the filter frame can be easily pulled out for operation, and after completion, the insertion and limiting are reset, so that maintenance is convenient, and use cost is reduced. DRAWINGS

[0024] Figure 1 A water tank overall three-dimensional schematic view of a sewage filtering device for a hydropower station is provided in the utility model.

[0025] Figure 2The utility model provides a kind of sewage filtering device's mobile frame overall section view schematic diagram for water power station is proposed;

[0026] Figure 3 The utility model provides a kind of water tank and U-shaped frame exploded schematic diagram for sewage filtering device's of water power station is proposed;

[0027] Figure 4 A kind of U-shaped frame and filter frame exploded schematic diagram for sewage filtering device's of water power station is proposed by the utility model.

[0028] Legend:

[0029] 1, water tank;2, sewage pipe;3, hose;4, mobile frame;5, sliding block;6, connecting plate;7, motor;8, fixed plate;9, round pipe;10, inclined plate;11, guide rail;12, drain pipe;13, U-shaped frame;14, filter frame;15, rubber strip;16, handle;17, plug;18, plugboard. Specific implementation

[0030] The technical scheme in the embodiments of the utility model will be described clearly and completely in conjunction with the drawings in the embodiments of the utility model.

[0031] Reference Figures 1-3 An embodiment provided by the utility model: a kind of sewage filtering device for water power station, including water tank 1, the top of water tank 1 is provided with sewage pipe 2, sewage pipe 2 is outside sewage discharge pipe, can meet the sewage discharge into water tank 1, it is convenient for subsequent filtration, before the transmission of sewage into sewage pipe 2, larger impurities have been filtered out, in subsequent sewage pipe 2 and hose 3 and inclined plate 10 drainage process, will not cause the condition of jam, the bottom end of sewage pipe 2 is fixedly connected with hose 3, the end of hose 3 is fixedly connected with mobile frame 4, mobile frame 4 is mainly connected with the effect of inclined plate 10, the bottom end of mobile frame 4 is fixedly connected with sliding block 5, the outer wall of sliding block 5 is fixedly connected with connecting plate 6, the outer wall of water tank 1 is provided with driving mechanism, the inner wall of mobile frame 4 is fixedly connected with inclined plate 10, multiple notches are formed in inclined plate 10, can let water flow down in multiple sections, can let water flow along inclined surface distribution to the notch of inclined plate 10 on both sides, the outer wall of water tank 1 is fixedly connected with guide rail 11, guide rail 11 can meet the horizontal movement of sliding block 5, mainly for the effect of support guide of sliding block 5, the right end of water tank 1 is provided with drain pipe 12, drain pipe 12 can let the water after filtration be discharged to purification pond and be treated, the inner wall of water tank 1 is provided with filter frame 14, filter frame 14 has multiple, filter frame 14 has filter screen, and the filter screen of the aperture of uppermost filter frame 14 is filtered from coarse to fine, the inner wall of water tank 1 is provided with dismounting assembly.

[0032] The driving mechanism comprises a motor 7 fixedly connected to the outer wall of the water tank 1, and the output end of the motor 7 is fixedly connected with a fixed plate 8 having a certain length, so that the fixed plate 8 can drive the circular tube 9 to move in a certain range, and the outer wall of the fixed plate 8 is fixedly connected with the circular tube 9.

[0033] With reference to Figures 3-4 The dismounting and assembling assembly comprises a U-shaped frame 13 inserted into the inner wall of the water tank 1, the right end outer wall of the U-shaped frame 13 is provided with a rubber strip 15, which is mainly used for sealing between the U-shaped frame 13 and the water tank 1, so as to prevent water from flowing out from the water tank 1 and the U-shaped frame 13, the right end of the U-shaped frame 13 is fixedly connected with a handle 16, so that the U-shaped frame 13 can be moved out of the water tank 1 through the handle 16, the inner wall of the handle 16 is inserted with an insertion block 17, the outer wall of the insertion block 17 is inserted with an insertion plate 18, the insertion plate 18 is provided with a slot corresponding to the insertion block 17, so that the insertion block 17 can be inserted into the slot, the filter frame 14 is inserted into the inner wall of the U-shaped frame 13, and the U-shaped frame 13 is provided with a slot, so that the filter frame 14 can be inserted or moved out.

[0034] With reference to Figures 1-3 The circular tube 9 is attached to the inner wall of the connecting plate 6, and the connecting plate 6 is provided with a slot, so that the circular tube 9 can be subsequently extruded into the slot to move the connecting plate 6, the sliding block 5 is penetratingly and slidingly connected to the inner wall of the guide rail 11, the guide rail 11 is provided with a slot corresponding to the sliding block 5, so that the sliding block 5 can move left and right along the guide rail 11, the guide rail 11 is provided with two groups, and the two groups of guide rails 11 are symmetrically arranged, and the two sides of the inclined plate 10 are inclined surfaces.

[0035] Working principle: firstly, the moving frame 4 needs to move back and forth, so that the sewage is uniformly poured into the filter frame 14 for filtering, the sewage is discharged from the sewage pipe 2 to the moving frame 4 through the hose 3, the sewage flows along the inclined surface of the inclined plate 10, and the sewage is discharged from the slot of the inclined plate 10, at the same time, the motor 7 is started to drive the output end of the motor 7 to rotate with the fixed plate 8 and the circular tube 9, the circular tube 9 extrudes the slot of the connecting plate 6, so that the connecting plate 6 drives the sliding block 5, the moving frame 4 and the inclined plate 10 to move back and forth, so that the sewage is distributed to all areas of the filter frame 14, avoiding concentrated pouring in one place, and the other parts of the filter screen are not utilized.

[0036] When it is necessary to clean or replace the filter screen on the filter frame 14, the insertion block 17 is only moved upward to separate the insertion block 17 from the slot of the insertion plate 18, so that the entire U-shaped frame 13 can be moved out, then the filter frame 14 can be pulled out for cleaning or replacement, after cleaning or replacement, the filter frame 14 is inserted into the U-shaped frame 13, finally, the entire U-shaped frame 13 is inserted into the water tank 1, and the insertion block 17 and the slot of the insertion plate 18 are inserted to limit the entire U-shaped frame 13.

[0037] It should be pointed out finally that: the above only for the preferred embodiments of the present application have, and not for limiting the present application, although the present application is described in detail with reference to the foregoing embodiments, for the skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included in the scope of protection of the present application.

Claims

1. A wastewater filtration device for a hydropower station, comprising a water tank (1), characterized in that: A sewage pipe (2) is provided above the water tank (1). A hose (3) is fixedly connected to the bottom end of the sewage pipe (2). A movable frame (4) is fixedly connected to the end of the hose (3). A slider (5) is fixedly connected to the bottom end of the movable frame (4). A connecting plate (6) is fixedly connected to the outer wall of the slider (5). A driving mechanism is provided on the outer wall of the water tank (1). An inclined plate (10) is fixedly connected to the inner wall of the movable frame (4). A guide rail (11) is fixedly connected to the outer wall of the water tank (1). A drain pipe (12) is provided at the right end of the water tank (1). A filter frame (14) is provided on the inner wall of the water tank (1). A disassembly assembly is provided on the inner wall of the water tank (1). The driving mechanism includes a motor (7), which is fixedly connected to the outer wall of the water tank (1). The output end of the motor (7) is fixedly connected to a fixing plate (8), and the outer wall of the fixing plate (8) is fixedly connected to a round tube (9).

2. The wastewater filtration device for a hydropower station according to claim 1, characterized in that: The assembly and disassembly assembly includes a U-shaped frame (13), which is inserted into the inner wall of the water tank (1). A rubber strip (15) is provided on the outer wall of the right end of the U-shaped frame (13). A handle (16) is fixedly connected to the right end of the U-shaped frame (13). A plug (17) is inserted into the inner wall of the handle (16), and a plug plate (18) is inserted into the outer wall of the plug (17).

3. A wastewater filtration device for a hydropower station according to claim 2, characterized in that: The insert plate (18) is fixedly connected to the right side wall of the water tank (1).

4. A wastewater filtration device for a hydropower station according to claim 1, characterized in that: The filter frame (14) is inserted into the inner wall of the U-shaped frame (13).

5. A wastewater filtration device for a hydropower station according to claim 1, characterized in that: The round tube (9) is attached to the inner wall of the connecting plate (6).

6. A wastewater filtration device for a hydropower station according to claim 1, characterized in that: The slider (5) is slidably connected to the inner wall of the guide rail (11).

7. A wastewater filtration device for a hydropower station according to claim 1, characterized in that: The guide rail (11) is provided in two sets, and the two sets of guide rail (11) are arranged symmetrically.

8. A wastewater filtration device for a hydropower station according to claim 1, characterized in that: The inclined plate (10) has inclined surfaces on both sides.