Self-adaptive filter material interception sewage treatment device

By setting fixed and movable filter media frames, layered grid plates and baffle structures in the filter tank, combined with water quality detection and controller, the problems of filter media loss and water quality fluctuation during backwashing are solved, achieving stable interception of filter media and improvement of filtration effect.

CN224071259UActive Publication Date: 2026-04-03SHENZHEN BEIKONG INNOVATION INVESTMENT CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-07
Publication Date
2026-04-03

AI Technical Summary

Technical Problem

During backwashing, the existing filter bed suffers from severe filter media loss due to the large impact force of the water flow, which affects the filtration effect and water quality stability, and consequently affects the normal operation of subsequent treatment units.

Method used

It adopts a combination of fixed and movable filter media frames, along with layered grid plates and baffle structures, to form a filter media blocking grid. Intelligent control is achieved through water quality detection sensors and controllers to reduce filter media loss and water quality fluctuations.

Benefits of technology

It effectively reduces filter media loss, extends filter media life, improves the stability of filtration effect, reduces operating costs, and ensures water quality stability and treatment effect.

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Abstract

The utility model discloses a sewage treatment device with a self-adaptive filter material interception function, and relates to the technical field of sewage treatment. Comprising a filter tank main body, a water inlet pipe and a water outlet pipe which are communicated with the filter tank main body are respectively mounted on two sides of the filter tank main body, a filter area is arranged in the filter tank main body, a filter material intercepting assembly is arranged in the filter area, and backwashing assemblies are arranged at the bottom and the top of the filter tank main body. By arranging a fixed filter material frame, a movable filter material frame and an electric telescopic rod, the tightness degree of a filter material layer can be adjusted during backwashing, the loss of a filter material in the backwashing process is effectively reduced, the service life of the filter material is prolonged, and the operation cost is reduced; the filter materials are prevented from being mixed in the backwashing and normal operation processes, the stability of the filtering effect is guaranteed, and the filter material blocking grids formed by the multiple groups of blocking strips arranged on the grid plate further enhance the intercepting effect on the filter materials and prevent the filter materials from being washed away.
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Description

Technical Field

[0001] This utility model relates to the field of wastewater treatment technology, and more specifically, to a wastewater treatment device with adaptive filter media interception. Background Technology

[0002] Nowadays, many places use sewage treatment equipment to clean up sewage so that water resources can be reused. The filter is one of the key treatment units. In the filter stage of sewage treatment, the stable presence of filter media is crucial to the filtration effect.

[0003] During backwashing, existing filters often suffer from significant media loss due to the strong impact of the water flow. Furthermore, the mixing of the filter media and the disturbance of the water flow during backwashing cause substantial fluctuations in the quality of the effluent. This not only affects the normal operation of subsequent treatment units but also makes it difficult for the entire wastewater treatment system to achieve stable and efficient treatment results.

[0004] Therefore, we have made improvements to this by proposing an adaptive filter media interception wastewater treatment device. Utility Model Content

[0005] The purpose of this invention is to address the problem that in existing filter beds, the strong impact of the water flow during backwashing often causes the filter media to be washed away, resulting in significant loss of filter media. Furthermore, the mixing of filter media and the disturbance of water flow during backwashing cause large fluctuations in the quality of the effluent, which not only affects the normal operation of subsequent treatment units but also makes it difficult for the entire wastewater treatment system to achieve stable and efficient treatment results.

[0006] To achieve the above-mentioned objectives, this utility model provides the following technical solution:

[0007] A wastewater treatment device with adaptive filter media interception is proposed to improve the above-mentioned problems.

[0008] The application is as follows:

[0009] The filter includes a filter body, with an inlet pipe and an outlet pipe connected to both sides of the filter body. The filter body has a filtration zone inside, and a filter media interception assembly is installed in the filtration zone. Backwashing assemblies are installed at the bottom and top of the filter body. The filter media interception assembly includes a fixed filter media frame and a movable filter media frame installed in the filtration zone.

[0010] Setting a fixed filter media frame can effectively reduce the loss of filter media during backwashing, extend the service life of the filter media, and reduce operating costs. The layered grid plate structure and the setting of the separator prevent the filter media from mixing during backwashing and normal operation, ensuring the stability of the filtration effect. The filter media blocking grid formed by multiple sets of baffles on the grid plate further enhances the interception effect on the filter media and prevents the filter media from being washed away.

[0011] In a preferred embodiment of the adaptive filter media interception wastewater treatment device provided by this utility model, a controller is installed on the side of the filter body, an inspection port is provided on the top of the filter body, and a flow stabilizing plate is installed between the outlet of the inlet pipe and the filtration zone.

[0012] In a preferred embodiment of the adaptive filter media interception wastewater treatment device provided by this utility model, a fixed frame is installed on the top of the filter body, and an electric telescopic rod is installed on the upper side of the fixed frame. The telescopic shaft of the electric telescopic rod passes through the top of the filter body and is fixedly connected to the top of the movable filter media frame.

[0013] In a preferred embodiment of the adaptive filter media interception wastewater treatment device provided by this utility model, a water quality detection sensor is installed on the inner wall of the filtration zone, and both the electric telescopic rod and the water quality detection sensor are electrically connected to the controller.

[0014] In a preferred embodiment of the adaptive filter media interception wastewater treatment device provided by this utility model, the inner walls of both the fixed filter media frame and the movable filter media frame are equipped with multiple sets of grid plates, a filter media layer is formed between adjacent grid plates, a partition net is installed in the filter media layer, and multiple sets of raised baffles are installed on both sides of the grid plates, with the multiple sets of baffles intersecting to form a filter media blocking grid.

[0015] As a preferred embodiment of the adaptive filter media interception wastewater treatment device provided by this utility model, the backwashing assembly includes a backwashing inlet and a backwashing outlet respectively disposed at the bottom and top of the filter body, and a drain pipe is installed on the outside of the backwashing outlet.

[0016] In a preferred embodiment of the adaptive filter media interception wastewater treatment device provided by this utility model, a water supply pipe is installed on the outside of the backwash inlet, and a flow regulating valve is installed at the connection between the water supply pipe and the backwash inlet.

[0017] In a preferred embodiment of the adaptive filter media interception wastewater treatment device provided by this utility model, a backwash water pump is installed at the inlet end of the water supply pipe, and both the flow regulating valve and the backwash water pump are electrically connected to the controller.

[0018] Compared with the prior art, the beneficial effects of this utility model are as follows: by setting a fixed filter media frame, the loss of filter media during backwashing can be effectively reduced, the service life of filter media can be extended, and the operating cost can be reduced. The layered grid plate structure and the setting of the separator prevent the filter media from mixing during backwashing and normal operation, ensuring the stability of the filtration effect. The filter media blocking grid formed by multiple sets of baffles set on the grid plate further enhances the interception effect on the filter media and prevents the filter media from being washed away. Attached Figure Description

[0019] Figure 1 A schematic diagram of the overall structure of the adaptive filter media interception wastewater treatment device provided in this application;

[0020] Figure 2 A schematic diagram of the overall side profile of the adaptive filter media interception wastewater treatment device provided in this application;

[0021] Figure 3 This is a schematic diagram of the side sectional view of the filter body provided in this application;

[0022] Figure 4 This is a schematic diagram of the filter media frame structure provided in this application;

[0023] Figure 5 A schematic diagram of the grid plate structure provided in this application.

[0024] The image shows:

[0025] 1. Filter body; 2. Inlet pipe; 3. Outlet pipe; 4. Filtration zone; 5. Filter media interception assembly; 501. Fixed filter media frame; 502. Movable filter media frame; 503. Fixing frame; 504. Electric telescopic rod; 505. Water quality detection sensor; 506. Mesh plate; 507. Filter media layer; 508. Separator mesh; 509. Baffle bar; 510. Filter media blocking mesh; 6. Backwash assembly; 601. Backwash inlet; 602. Backwash outlet; 603. Drain pipe; 604. Water supply pipe; 605. Flow regulating valve; 606. Backwash water pump; 7. Controller; 8. Inspection port; 9. Flow stabilizer plate. Detailed Implementation

[0026] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model.

[0027] Therefore, the following detailed description of the embodiments of this utility model is not intended to limit the scope of the claimed utility model, but merely to illustrate some embodiments of the utility model. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without inventive effort are within the scope of protection of this utility model.

[0028] It should be noted that, unless otherwise specified, the embodiments and features and technical solutions in the present invention can be combined with each other.

[0029] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0030] In the description of this utility model, it should be noted that the terms "upper," "lower," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the product of this utility model is in use, or the orientation or positional relationship commonly understood by those skilled in the art. These terms are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on this utility model. In addition, the terms "first," "second," etc., are only used to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0031] To enable those skilled in the art to better understand the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings.

[0032] It should be noted that, unless otherwise specified, the embodiments and features and technical solutions in the present invention can be combined with each other.

[0033] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0034] Example 1

[0035] Please refer to Figure 1-5An adaptive filter media interception wastewater treatment device includes: a filter body 1, with an inlet pipe 2 and an outlet pipe 3 respectively installed and connected to the filter body 1 on both sides; a filtration zone 4 is provided inside the filter body 1; a filter media interception assembly 5 is provided in the filtration zone 4; and a backwashing assembly 6 is provided at the bottom and top of the filter body 1. The filter media interception assembly 5 includes a fixed filter media frame 501 and a movable filter media frame 502 disposed in the filtration zone 4. A controller 7 is installed on the side of the filter body 1, and an inspection port 8 is provided on the top of the filter body 1. A flow stabilizing plate 9 is installed between the outlet of the inlet pipe 2 and the filtration zone 4. A fixing frame 503 is installed on the top of the filter body 1, and an electric telescopic rod 504 is installed on the upper side of the fixing frame 503. The telescopic shaft of the electric telescopic rod 504 passes through the top of the filter body 1 and is fixedly connected to the top of the movable filter media frame 502. A water quality sensor 505 is installed on the inner wall of the filtration zone 4. Both the electric telescopic rod 504 and the water quality sensor 505 are electrically connected to the controller 7. Multiple sets of mesh plates 506 are installed on the inner walls of both the fixed filter media frame 501 and the movable filter media frame 502. A filter media layer 507 is formed between adjacent mesh plates 506. A separator mesh 508 is installed in the filter media layer 507. Multiple sets of raised baffles 509 are installed on both sides of the mesh plates 506. The multiple sets of baffles 509 intersect to form a filter media blocking mesh 510.

[0036] Implementation Process: Setting up a fixed filter media frame can effectively reduce the loss of filter media during backwashing, extend the service life of the filter media, and reduce operating costs. The layered grid plate 506 structure and the partition net 508 prevent the filter media from mixing during backwashing and normal operation, ensuring the stability of the filtration effect. The filter media blocking grid 510 formed by multiple sets of baffles 509 set on the grid plate 506 further enhances the interception effect on the filter media, preventing the filter media from being washed away. The set flow stabilizing plate 9 makes the water flow entering the filtration zone 4 evenly distributed, reducing the impact of water flow on the filter media, which is conducive to improving the service life and filtration effect of the filter media. Through the cooperation of the water quality monitoring sensor 505 and the controller 7, intelligent control of the filtration process is realized. It can adjust the state of the filter media layer and backwash parameters in a timely manner according to the water quality, effectively solving the problem of water quality fluctuation during backwashing and improving the treatment effect and stability of the entire sewage treatment device.

[0037] Benefits of implementation: By setting up a fixed filter media frame 501 and a movable filter media frame 502, the loss of filter media during the backwashing process is reduced.

[0038] Example 2

[0039] The backwash assembly 6 includes a backwash inlet 601 and a backwash outlet 602 respectively located at the bottom and top of the filter body 1. A drain pipe 603 is installed on the outside of the backwash outlet 602. A water supply pipe 604 is installed on the outside of the backwash inlet 601, and a flow regulating valve 605 is installed at the connection between the water supply pipe 604 and the backwash inlet 601. A backwash water pump 606 is installed at the inlet end of the water supply pipe 604. Both the flow regulating valve 605 and the backwash water pump 606 are electrically connected to the controller 7.

[0040] Implementation Process: Wastewater enters the filtration zone 4 evenly from the inlet pipe 2 via the flow stabilizer plate 9, passing sequentially through the grid plate 506 and separator mesh 508 within the fixed filter media frame 501 and the movable filter media frame 502. After filtration, it is discharged through the outlet pipe 3. The water quality monitoring sensor 505 monitors the water quality in real time and provides feedback to the controller 7. When backwashing is required, the controller 7 controls the electric telescopic rod 504 to raise the movable filter media frame 502, and then starts the backwash water pump 606. The backwash water, after its flow rate and pressure are regulated by the flow regulating valve 605, enters the backwash inlet 601 to rinse the filter media layer 507, and impurities are discharged from the backwash outlet 602. After backwashing, the controller 7 controls the movable filter media frame 502 to descend and return to normal filtration status.

[0041] Benefits of implementation: Backwashing can be performed on the filter media layer 507 within the fixed filter media frame 501 and the movable filter media frame 502.

[0042] The above embodiments are only used to illustrate the present utility model and are not intended to limit the technical solutions described in the present utility model. Although the present utility model has been described in detail with reference to the above embodiments, the present utility model is not limited to the specific embodiments described above. Therefore, any modifications or equivalent substitutions to the present utility model, and all technical solutions and improvements that do not depart from the spirit and scope of the utility model, are covered within the scope of the claims of the present utility model.

Claims

1. A sewage treatment device with self-adapting filter material interception, characterized in that, The utility model relates to a filter pool, which comprises a filter pool body (1) having a water inlet pipe (2) and a water outlet pipe (3) installed on both sides of the filter pool body (1) respectively, a filter area (4) arranged in the filter pool body (1), a filter material intercepting assembly (5) arranged in the filter area (4), a backwashing assembly (6) arranged at the bottom and top of the filter pool body (1), and a fixed filter material frame (501) and a movable filter material frame (502) arranged in the filter area (4). A controller (7) is installed on the side of the filter pool body (1), an access hole (8) is arranged at the top of the filter pool body (1), and a steady flow plate (9) is arranged between the outlet of the water inlet pipe (2) and the filter area (4).

2. A self-adapting screening sewage treatment device according to claim 1, characterized in that, A fixed frame (503) is arranged at the top of the filter pool body (1), an electric telescopic rod (504) is arranged on the upper side of the fixed frame (503), and the telescopic shaft of the electric telescopic rod (504) is fixedly connected to the top of the movable filter material frame (502).

3. A self-adapting screening device according to claim 2, characterized in that, A water quality detection sensor (505) is arranged on the inner wall of the filter area (4), and the electric telescopic rod (504) and the water quality detection sensor (505) are electrically connected to the controller (7).

4. A self-adapting screening device according to claim 3, characterized in that, A plurality of grid plates (506) are arranged on the inner walls of the fixed filter material frame (501) and the movable filter material frame (502), filter material layers (507) are formed between adjacent grid plates (506), a separation net (508) is arranged in the filter material layer (507), a plurality of protruding ground blocking strips (509) are arranged on both sides of the grid plate (506), and the plurality of blocking strips (509) are crossed to form a filter material blocking grid (510).

5. A self-adapting screening device according to claim 4, characterized in that, The backwashing assembly (6) comprises a backwashing water inlet (601) and a backwashing water outlet (602) arranged at the bottom and top of the filter pool body (1) respectively, and a drain pipe (603) is arranged on the outer side of the backwashing water outlet (602).

6. The self-adapting screening device according to claim 2, wherein, A water conveying pipe (604) is arranged on the outer side of the backwashing water inlet (601), and a flow regulating valve (605) is arranged at the connection between the water conveying pipe (604) and the backwashing water inlet (601).

7. A self-adapting screening device according to claim 6, characterized in that, A backwashing water pump (606) is arranged at the water inlet end of the water conveying pipe (604), and the flow regulating valve (605) and the backwashing water pump (606) are electrically connected to the controller (7).

8. A self-adapting screening device according to claim 7, characterized in that, ​