A filtering device for improving water quality at the end of a channel

By setting up a filter device with a sedimentation tank and a liftable filter plate at the end of the channel, the problem of poor water quality at the end of the channel is solved, and effective filtration of debris and silt in the water flow is achieved, which significantly improves the water quality.

CN222701161UActive Publication Date: 2025-04-01GANFU PLAIN WATER CONSERVANCY ENG ADMINISTRATION BUREAU OF JIANGXI PROVINCE (JIANGXI PROVINCIAL IRRIGATION TEST CENT STATION)
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202421471302.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-26
Publication Date
2025-04-01
Estimated Expiration
2034-06-26

AI Technical Summary

Technical Problem

The water quality at the end of the channel is poor, and the existing technology cannot effectively filter the debris and silt in the water flow, resulting in poor water quality.

Method used

A filter device is designed including a sand sink tank and a liftable filter plate. The sand sink tank improves water quality at the head end of the channel, and the filter plate is raised and lowered on the gate door opening to filter the water flow.

Benefits of technology

Through the combination of the sedimentation tank and filter plate, the water quality at the end of the channel is effectively improved, ensuring that the debris and sediment in the water flow are filtered out, and the water quality is significantly improved.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222701161U_ABST
    Figure CN222701161U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of municipal engineering, and in particular to a filtering device for improving the water quality at the end of a channel, comprising a channel body, a cover plate, an end wall and a gate. The cross section of the channel body is an isosceles trapezoidal structure that is wide at the top and narrow at the bottom. The cover plate is placed at the top opening of the channel body. The head end of the channel body is connected to a sedimentation tank. The end of the channel body is provided with the end wall that matches the cross-sectional shape of the channel body. The middle of the end wall is provided with a square hole for fixing the gate. The bottom of the gate is provided with a square door opening. The door opening is provided with a door plate and a filter plate that can move in a vertical direction. The utility model can improve the water quality at the head end of the water flow by arranging a sedimentation tank at the head end of the channel body, and can filter the water flow at the end of the channel by arranging a liftable filter plate on the door opening of the gate, thereby improving the water quality of the water flow.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of municipal engineering, in particular to a filtering device for improving water quality at the end of a channel. Background Art

[0002] Channels usually refer to canals and ditches, which are channels for water flow. Usually, the water flow at the head of the channel contains debris, garbage, and silt, and the water quality is poor; the channel needs to converge the water accumulated on the ground on both sides of the channel, and the water accumulated on the ground on both sides usually carries garbage, debris, and silt, and the water quality is also poor. A sluice is usually set at the end of the channel to control the discharge of water or cut off the water flow. The water flow cannot be filtered during the discharge, so that the debris in the water flow flows downstream through the sluice.

[0003] Based on the above problems, the utility model proposes a filtering device for improving the water quality at the end of a channel. Utility Model Content

[0004] The purpose of the utility model is to overcome the shortcomings of the prior art and provide a filtering device for improving the water quality at the end of a channel. By arranging a sedimentation tank at the head end of the channel body, the water quality at the head end of the water flow can be improved. By arranging a liftable filter plate on the door opening of the gate, the water flow at the end of the channel can be filtered, thereby improving the water quality of the water flow. By arranging the filter plate and the door plate, the door opening can be blocked, opened or the water flow can be filtered according to actual conditions.

[0005] In order to achieve the purpose of the utility model, the technical solution adopted by the utility model is:

[0006] The utility model discloses a filtering device for improving the water quality at the end of a channel, comprising a channel body, a cover plate, an end wall and a gate, wherein the cross section of the channel body is an isosceles trapezoidal structure which is wide at the top and narrow at the bottom, and the cover plate is placed at the top opening of the channel body; the head end of the channel body is connected with a sedimentation tank, the end of the channel body is provided with the end wall which matches the cross-sectional shape of the channel body, the middle part of the end wall is provided with a square hole for fixing the gate, the bottom of the gate is provided with a square door opening, and the door opening is provided with a door plate and a filter plate which can move along the vertical direction.

[0007] The gate also includes an outer frame, a front plate, a rear plate, a horizontal plate, a first cylinder and a second cylinder. The outer frame is a square frame-shaped structure, the horizontal plate is connected between the middle parts of the inner walls on both sides of the outer frame, and the door opening is formed below the horizontal plate; the front and rear sides of the upper surface of the horizontal plate are respectively provided with filter plate holes and door plate holes for the filter plate and the door plate to pass through, the first cylinder and the second cylinder are respectively fixed on both sides of the top of the outer frame, the piston rod of the first cylinder passes through the top of the outer frame and is hinged to the upper part of the rear wall of the filter plate, and the piston rod of the second cylinder passes through the top of the outer frame and is hinged to the upper part of the front wall of the door plate; the bottom of the front plate is connected to the front end top of the horizontal plate, and the outer edge of the front plate is connected to the front end outer edge of the outer frame; the bottom of the rear plate is connected to the rear end top of the horizontal plate, and the outer edge of the rear plate is connected to the rear end outer edge of the outer frame.

[0008] The filter plate has the same shape as the door plate, and a plurality of filter holes are evenly distributed on the filter plate.

[0009] The two side walls of the outer frame are provided with a plurality of guide wheel groups along the horizontal direction, and the guide wheel groups are composed of a plurality of guide wheel assemblies fixed on the two side walls of the outer frame at equal intervals, and the guide wheel assembly comprises a screw, a nut, a rotating shaft, a limiting ring and a guide wheel, the outer end of the screw passes through the two side walls of the outer frame and is threadedly connected to the nut, the inner end of the screw is axially connected to the outer end of the rotating shaft, the outer end of the rotating shaft is connected to the limiting ring, and the outer diameter of the limiting ring is larger than the outer diameter of the rotating shaft; the guide wheel is annular in structure, and the inner ring of the guide wheel is mounted on the outside of the rotating shaft; the outer wall of the guide wheel can contact the front and rear walls of the filter plate or the door panel.

[0010] The cross-sectional shape of the outer wall of the desilting tank is the same as that of the outer wall of the channel body. The desilting tank is a hollow structure with an open top, a water inlet is arranged above the front end wall, and a water outlet is arranged above the rear end wall.

[0011] A plurality of square water leakage holes are evenly distributed on the upper surface of the cover plate.

[0012] A sand settling trough is provided on the top of both sides of the channel body, and the sand settling trough is a semicircular structure with an open top. A square placement groove is provided on the outside of the sand settling trough for placing the two sides of the cover plate. A water outlet gap is provided on the inner top of the sand settling trough. The top height of the inner end of the sand settling trough is lower than the top height of the outer end. A row of leakage holes is provided above the sand settling trough along its length direction.

[0013] The beneficial effects of the utility model are:

[0014] (1) The utility model can improve the water quality at the head end of the water flow by arranging a sedimentation tank at the head end of the channel body, and can filter the water flow at the end of the channel by arranging a liftable filter plate on the gate opening, thereby improving the water quality of the water flow; by arranging the filter plate and the gate plate, the gate opening can be blocked, opened or the water flow can be filtered according to actual conditions; when the water flow is large and the flow rate of the filter plate cannot meet the discharge requirement, the filter plate can be raised and the gate opening can be fully opened to discharge the water; when it is necessary to close the gate to accumulate water, the gate plate can be lowered to completely close the gate opening. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of the utility model;

[0016] Figure 2 This is a schematic diagram of the structure of the utility model without the cover plate;

[0017] Figure 3 It is a cross-sectional schematic diagram of the utility model;

[0018] Figure 4 It is a cross-sectional schematic diagram of the gate in the utility model;

[0019] Figure 5 This is a schematic diagram of the structure of the gate of the utility model without the front plate;

[0020] Figure 6 It is a structural schematic diagram of the guide wheel assembly in the utility model.

[0021] In the figure: 1 channel body, 2 cover plate, 3 end wall, 4 gate, 5 sedimentation tank, 6 guide wheel assembly, 7 sedimentation trough, 8 placement trough, 21 leakage hole, 41 door hole, 42 door plate, 43 filter plate, 44 outer frame, 45 front plate, 46 rear plate, 47 cross plate, 48 first cylinder, 49 second cylinder, 50 filter plate hole, 51 door plate hole, 61 screw, 62 nut, 63 rotating shaft, 64 limiting ring, 65 guide wheel, 71 water outlet gap. DETAILED DESCRIPTION

[0022] The utility model is further described below:

[0023] See also Figure 1-6 ,

[0024] The utility model discloses a filtering device for improving the water quality at the end of a channel, comprising a channel body 1, a cover plate 2, an end wall 3 and a gate 4. The cross section of the channel body 1 is an isosceles trapezoidal structure with a wide top and a narrow bottom. The cover plate 2 is placed at the top opening of the channel body 1; the head end of the channel body 1 is connected to a sedimentation tank 5, the end of the channel body 1 is provided with the end wall 3 matching the cross-sectional shape of the channel body 1, the middle part of the end wall 3 is provided with a square hole 31 for fixing the gate 4, the bottom of the gate 4 is provided with a square door opening 41, and the door opening 41 is provided with a vertical direction. The movable door plate 42 and filter plate 43 can improve the water quality at the head end of the water flow by setting a sedimentation tank 5 at the head end of the channel body 1, and can filter the water flow at the end of the channel by setting a liftable filter plate 43 on the door opening 41 of the gate 4, thereby improving its water quality; by setting the filter plate 43 and the door plate 42, the door opening 41 can be blocked, opened or the water flow can be filtered according to actual conditions; when the water flow is large and the flow of the filter plate 43 cannot meet the discharge requirement, the filter plate 43 can be raised and the door opening 41 can be fully opened to discharge; when it is necessary to close the gate to accumulate water, the door plate 42 can be lowered to completely close the door opening 41.

[0025] Furthermore, the gate 4 also includes an outer frame 44, a front plate 45, a rear plate 46, a transverse plate 47, a first cylinder 48 and a second cylinder 49. The outer frame 44 is a square frame structure, and the transverse plate 47 is connected between the middle parts of the inner walls on both sides of the outer frame 44, and the door opening 41 is formed below the transverse plate 47; the front and rear sides of the upper surface of the transverse plate 47 are respectively provided with a filter plate hole 50 and a door plate hole 51 for the filter plate 43 and the door plate 42 to pass through, and the first cylinder 48 and the second cylinder 49 are respectively fixed on both sides of the top of the outer frame 44, and the piston rod of the first cylinder 48 passes through the top of the outer frame 44 and is hinged to the upper part of the rear wall of the filter plate 43, and the piston rod of the second cylinder 49 passes through the top of the outer frame 44 and is hinged to the upper part of the rear wall of the filter plate 43. The upper part of the front wall of the door panel 42 is hinged; the bottom of the front panel 45 is connected to the top of the front end of the transverse panel 47, and the outer edge of the front panel 45 is connected to the outer edge of the front end of the outer frame 44; the bottom of the rear panel 46 is connected to the top of the rear end of the transverse panel 47, and the outer edge of the rear panel 46 is connected to the outer edge of the rear end of the outer frame 44. When it is necessary to filter the water flow, the first cylinder 48 is started and the piston rod therein is extended downward to block the filter plate 43 at the door opening 41; when the flow of the filter plate 43 cannot meet the leakage flow, the filter plate 43 and the door panel 42 are both raised to fully open the door opening; when it is necessary to close the door opening, the second cylinder 49 is opened to drive the piston rod therein to extend downward to block the door opening.

[0026] Furthermore, the filter plate 43 has the same shape as the door plate 42 , and a plurality of filter holes are evenly distributed on the filter plate 43 . The water flow in the channel body 1 can be filtered through the filter holes on the filter plate 43 , thereby improving the water quality of the water flow.

[0027] Further, the two side walls of the outer frame 44 are provided with a plurality of guide wheel groups along the horizontal direction, and the guide wheel groups are composed of a plurality of guide wheel assemblies 6 fixed at equal intervals on the two side walls of the outer frame 44, and the guide wheel assembly 6 comprises a screw rod 61, a nut 62, a rotating shaft 63, a limiting ring 64 and a guide wheel 65, the outer end of the screw rod 61 passes through the two side walls of the outer frame 44 and is threadedly connected to the nut 62, the inner end of the screw rod 61 is axially connected to the outer end of the rotating shaft 63, the outer end of the rotating shaft 63 is connected to the limiting ring 64, and the outer diameter of the limiting ring 64 is greater than the outer diameter of the rotating shaft 63; the guide wheel 65 is annular in structure, and the inner ring of the guide wheel 65 is sleeved on the outside of the rotating shaft 63; the outer wall of the guide wheel 65 can contact the front and rear walls of the filter plate 43 or the door panel 42, and the filter plate 43 or the door panel 42 is clamped by the guide wheels 65 on both sides, which can play a guiding role and also enable the filter plate 43 or the door panel 42 to be lifted and lowered better.

[0028] Furthermore, the cross-sectional shape of the outer wall of the sedimentation tank 5 is the same as the cross-sectional shape of the outer wall of the channel body 1. The sedimentation tank 5 is a hollow top opening structure, a water inlet is provided above the front end wall, and a water outlet is provided above the rear end wall. The water flow at the front end of the channel body 1 first enters the sedimentation tank 5 through the water inlet of the sedimentation tank 5, and the mud and debris inside it are deposited at the bottom of the sedimentation tank 5, and the clean water flows into the channel body 1 from the water outlet at the rear end, thereby improving the water quality of the water flow at the front end of the channel body 1.

[0029] Furthermore, a plurality of square drainage holes 21 are evenly distributed on the upper surface of the cover plate 2. The accumulated water on the ground on both sides of the channel body 1 can flow into the channel body 1 through the drainage holes 21, and the drainage holes 21 can filter larger garbage or branches to avoid entering the channel body 1 and causing blockage.

[0030] Furthermore, a sand settling trough 7 is provided on the top of both sides of the channel body 1. The sand settling trough 7 is a semicircular structure with an open top. The outer side of the sand settling trough 7 is provided with a square placement groove 8 for placing the two sides of the cover plate 2. The inner top of the sand settling trough 7 is provided with a water outlet notch 71. The top height of the inner end of the sand settling trough 7 is lower than the top height of the outer end. A row of leakage holes 21 is provided above the sand settling trough 7 along its length direction. The accumulated water on the ground on both sides of the channel mixed with mud and sand enters the sand settling trough 7 through the leakage holes 21 on both sides of the cover plate 2, i.e., the leakage holes 21 above the sand settling trough 7. The mud and sand can be deposited at the bottom of the sand settling trough 7, and the clean water flows into the main channel at the bottom from the water outlet notch 71 at the inner end of the sand settling trough 7 along the inner wall of the channel body 1, thereby improving the water quality of the water flowing in from the ground on both sides of the channel on both sides.

[0031] The above description is only an embodiment of the present utility model, and does not limit the patent scope of the present utility model. Any equivalent transformation made by using the contents of the specification and drawings of the present utility model or directly or indirectly applied in the relevant technical field is also included in the patent protection scope of the present utility model.

Claims

1. A filtering device for improving water quality at the end of a channel, characterized in that: It comprises a channel body (1), a cover plate (2), an end wall (3) and a gate (4), The cross section of the channel body (1) is an isosceles trapezoidal structure that is wide at the top and narrow at the bottom, and the cover plate (2) is placed at the top opening of the channel body (1); The head end of the channel body (1) is connected to a sedimentation tank (5), the end of the channel body (1) is provided with an end wall (3) matching the cross-sectional shape of the channel body (1), the middle of the end wall (3) is provided with a square hole (31) for fixing the gate (4), the bottom of the gate (4) is provided with a square door opening (41), and the door opening (41) is provided with a door plate (42) and a filter plate (43) that can move along the vertical direction.

2. A filtering device for improving water quality at the end of a channel according to claim 1, characterized in that: The gate (4) further comprises an outer frame (44), a front plate (45), a rear plate (46), a transverse plate (47), a first cylinder (48) and a second cylinder (49); the outer frame (44) is in a square frame structure; the transverse plate (47) is connected between the middle parts of the inner walls on both sides of the outer frame (44); the door opening (41) is formed below the transverse plate (47); a filter plate hole (50) and a door plate hole (51) for the filter plate (43) and the door plate (42) to pass through are respectively provided on the front and rear sides of the upper surface of the transverse plate (47); the first cylinder (48) and the second cylinder (49) are respectively fixed on both sides of the top of the outer frame (44); ) and a second cylinder (49), the piston rod of the first cylinder (48) passes through the top of the outer frame (44) and is hinged to the upper part of the rear wall of the filter plate (43), and the piston rod of the second cylinder (49) passes through the top of the outer frame (44) and is hinged to the upper part of the front wall of the door panel (42); the bottom of the front panel (45) is connected to the top of the front end of the transverse panel (47), and the outer edge of the front panel (45) is connected to the outer edge of the front end of the outer frame (44); the bottom of the rear panel (46) is connected to the top of the rear end of the transverse panel (47), and the outer edge of the rear panel (46) is connected to the outer edge of the rear end of the outer frame (44).

3. A filtering device for improving water quality at the end of a channel according to claim 2, characterized in that: The filter plate (43) has the same shape as the door plate (42), and a plurality of filter holes are evenly distributed on the filter plate (43).

4. A filtering device for improving water quality at the end of a channel according to claim 3, characterized in that: A plurality of guide wheel groups are provided along the horizontal direction on both side walls of the outer frame (44). The guide wheel groups are composed of a plurality of guide wheel assemblies (6) fixed at equal intervals on the two side walls of the outer frame (44). The guide wheel assembly (6) comprises a screw rod (61), a nut (62), a rotating shaft (63), a limiting ring (64) and a guide wheel (65). The outer end of the screw rod (61) passes through the two side walls of the outer frame (44) and is threadedly connected to the nut (62). The inner end of the screw rod (61) is axially connected to the outer end of the rotating shaft (63). The outer end of the rotating shaft (63) is connected to the limiting ring (64). The outer diameter of the limiting ring (64) is larger than the outer diameter of the rotating shaft (63). The guide wheel (65) is annular in structure. The inner ring of the guide wheel (65) is sleeved on the outside of the rotating shaft (63). The outer wall of the guide wheel (65) can contact both sides of the front and rear walls of the filter plate (43) or the door plate (42).

5. A filtering device for improving water quality at the end of a channel according to claim 1, characterized in that: The cross-sectional shape of the outer wall of the desilting tank (5) is the same as the cross-sectional shape of the outer wall of the channel body (1). The desilting tank (5) is a hollow structure with an open top, a water inlet is provided above the front end wall, and a water outlet is provided above the rear end wall.

6. A filtering device for improving water quality at the end of a channel according to claim 1, characterized in that: A plurality of square water leakage holes (21) are evenly distributed on the upper surface of the cover plate (2).

7. A filtering device for improving water quality at the end of a channel according to claim 6, characterized in that: The top of both sides of the channel body (1) is provided with a sedimentation trough (7), the sedimentation trough (7) is a semicircular structure with an open top, the outer side of the sedimentation trough (7) is provided with a square placement groove (8) for placing the two sides of the cover plate (2), the inner top of the sedimentation trough (7) is provided with a water outlet notch (71), the inner end top height of the sedimentation trough (7) is lower than the outer end top height, and a row of water leakage holes (21) is provided above the sedimentation trough (7) along its length direction.