Municipal drainage filtering equipment
The rotating filter plate and backwash water pump system address clogging and cleaning challenges in municipal drainage systems, ensuring continuous operation and ease of maintenance.
Patent Information
- Application Number
- CN202421054005.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-15
- Publication Date
- 2024-12-27
- Estimated Expiration
- 2034-05-15
AI Technical Summary
Existing municipal drainage filtration systems face issues with filter nets easily clogging and requiring disassembly for cleaning due to residual dirt, which complicates maintenance.
A rotating filter plate mechanism driven by a motor and a backwash water pump system that allows for continuous operation without clogging and automated cleaning.
The rotating filter plate prevents clogging and enables automated cleaning, maintaining efficient drainage without manual disassembly.
Smart Images

Figure CN222239143U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of municipal drainage, in particular to a municipal drainage filtering device. Background Art
[0002] Municipal drainage usually consists of drainage pipes and sewage treatment plants. Sewage is collected by drainage pipes, sent to sewage treatment plants, and then discharged into water bodies or recycled. The following disadvantages exist when using municipal drainage filtration equipment: filter nets are generally used for filtration. The existing filter nets are generally set at the water inlet. Since the filter nets are in a static state, they are prone to clogging, affecting the drainage effect. In addition, there is a lot of dirt left in the equipment, which requires the equipment to be disassembled for cleaning, which is inconvenient to use. Utility Model Content
[0003] The utility model aims to solve the shortcomings in the prior art and proposes a municipal drainage filtering device.
[0004] In order to solve the problems existing in the prior art, the utility model adopts the following technical solutions:
[0005] It includes a shell, which is in a circular barrel shape. A plurality of support rods are fixedly arranged on the bottom surface of the shell, and the support rods are arranged in a ring array. An annular plate is arranged on the upper inner part of the shell, and an annular groove is opened on the upper inner part of the shell. The annular plate is arranged in the annular groove. A filter plate is fixedly arranged on the inner side of the annular plate. The filter plate is in a barrel shape, and a plurality of circular holes are opened in the middle of the filter plate. A gear ring is fixedly arranged on the bottom surface of the filter plate. A first mounting plate is fixedly arranged on the lower part of the shell, and a first motor is horizontally fixedly arranged in the first mounting plate. A gear is fixedly arranged on the output end of the first motor, and the gear is located below the gear ring, and the gear and the gear ring are meshed.
[0006] Preferably, a first water inlet is provided at the upper portion of one side of the shell, a water outlet is provided at the lower portion of the other side of the shell, a sewage outlet is provided at the middle portion of the bottom surface of the shell, and a cover plate is provided at the bottom surface of the sewage outlet.
[0007] Preferably, a connecting pipe is fixedly provided at the middle of the top surface of the shell, and a second mounting plate is fixedly provided on the top surface of the connecting pipe.
[0008] Preferably, a second water inlet is fixedly provided on the other side of the connecting pipe, and a backwash water pump is fixedly provided on the upper end of the second water inlet.
[0009] Preferably, a second motor is vertically fixed in the second mounting plate, a threaded rod is fixed at the output end of the second motor, and the other end of the threaded rod is threadedly connected to the moving plate.
[0010] Preferably, a plurality of fan-shaped holes are provided on the top surface of the movable plate, a connecting hole is provided in the middle of the top surface of the movable plate, and the threaded rod is threadedly connected in the connecting hole.
[0011] Preferably, a round tube is provided at the other end of the threaded rod, the round tube and the movable plate are located on the same axis, the inner diameter of the round tube is equal to the outer diameter of the movable plate, and the round tube is fixedly connected to the movable plate.
[0012] Preferably, the outer diameter of the circular tube is equal to the inner diameter of the connecting tube, the circular tube is arranged inside the connecting tube, and a plurality of water pumping pipes are fixedly provided on the outer side of the circular tube, and the water pumping pipes are arranged in a circular array.
[0013] Compared with the prior art, the beneficial effects of the utility model are:
[0014] 1. In the utility model, by setting a second motor, the filter plate is rotated inside the housing, driving the sewage in the housing to rotate, so that the dirt in the sewage sinks. Since the filter plate is in a rotating state, it is not easy to be blocked during drainage;
[0015] 2. In the utility model, by arranging a backwash water pump, the water in the shell is pumped into the circular tube through the pumping pipe. By arranging a second motor, the circular tube drives the pumping pipe to rotate and move at the same time. There is no need for the staff to disassemble the equipment and then clean it, which is convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:
[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0018] Figure 2 This is a schematic diagram of the gear and gear ring structure of the utility model;
[0019] Figure 3 This is a schematic diagram of the circular tube and water pumping pipe structure of the utility model;
[0020] Figure 4 This is a schematic diagram of the threaded rod and movable plate structure of the utility model;
[0021] Serial numbers in the figure: 1. housing; 2. first mounting plate; 3. first motor; 4. gear; 5. gear ring; 6. filter plate; 7. annular plate; 8. first water inlet; 9. water outlet; 10. connecting pipe; 11. second mounting plate; 12. second water inlet; 13. backwash water pump; 14. second motor; 15. threaded rod; 16. movable plate; 17. round pipe; 18. suction pipe; 19. sewage outlet; 20. support rod. DETAILED DESCRIPTION
[0022] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.
[0023] Embodiment: This embodiment provides a municipal drainage filtration device, see Figure 1-4 Specifically, it includes a shell 1, which is in a circular barrel shape. A plurality of support rods 20 are fixedly arranged on the bottom surface of the shell 1, and the support rods 20 are arranged in a circular array. An annular plate 7 is arranged on the upper inner part of the shell 1, and an annular groove is opened on the upper inner part of the shell 1. The annular plate 7 is arranged in the annular groove. A filter plate 6 is fixedly arranged on the inner side of the annular plate 7. The filter plate 6 is in a barrel shape, and a plurality of circular holes are opened in the middle of the filter plate 6. A gear ring 5 is fixedly arranged on the bottom surface of the filter plate 6. A first mounting plate 2 is fixedly arranged on the lower part of the shell 1. A first motor 3 is fixedly arranged in the first mounting plate 2 laterally. A gear 4 is fixedly arranged on the output end of the first motor 3. The gear 4 is located below the gear ring 5, and the gear 4 and the gear ring 5 are meshed. A first water inlet 8 is arranged on the upper part of one side of the shell 1, and a water outlet 9 is arranged on the lower part of the other side of the shell 1. A sewage outlet 19 is arranged in the middle of the bottom surface of the shell 1, and a cover plate is arranged on the bottom surface of the sewage outlet 19.
[0024] Normally, the cover plate on the bottom of the sewage outlet 19 is in a closed state, and the first motor 3 is started, the first motor 3 drives the gear 4 to rotate, the gear 4 drives the gear ring 5 to rotate, and the gear ring 5 drives the filter plate 6 to rotate. By setting the annular groove, the annular plate 7 is engaged in the shell 1. Since the outer diameter of the annular plate 7 is larger than the outer diameter of the filter plate 6, the filter plate 6 rotates inside the shell 1 through the annular groove, driving the sewage in the shell 1 to rotate, so that the dirt in the sewage sinks, and the filtered water is discharged through the water outlet 9. Since the filter plate 6 is in a rotating state, it is not easy to be blocked during drainage.
[0025] In the specific implementation process, Figure 1 , Figure 3 and Figure 4As shown, a connecting pipe 10 is fixedly arranged in the middle of the top surface of the housing 1, a second mounting plate 11 is fixedly arranged on the top surface of the connecting pipe 10, a second water inlet 12 is fixedly arranged on the other side of the connecting pipe 10, a backwash water pump 13 is fixedly arranged on the upper end of the second water inlet 12, a second motor 14 is fixedly arranged vertically in the second mounting plate 11, a threaded rod 15 is fixedly arranged on the output end of the second motor 14, a moving plate 16 is threadedly connected to the other end of the threaded rod 15, a plurality of fan-shaped holes are opened on the top surface of the moving plate 16, and a plurality of fan-shaped holes are opened on the top surface of the moving plate 16. A connecting hole is opened in the middle part, and a threaded rod 15 is threadedly connected in the connecting hole. A round tube 17 is arranged at the other end of the threaded rod 15. The round tube 17 and the movable plate 16 are located on the same axis. The inner diameter of the round tube 17 is equal to the outer diameter of the movable plate 16. The round tube 17 is fixedly connected to the movable plate 16. The outer diameter of the round tube 17 is equal to the inner diameter of the connecting tube 10. The round tube 17 is arranged inside the connecting tube 10. A plurality of pumping pipes 18 are fixedly arranged on the outer side of the round tube 17. The pumping pipes 18 are arranged in a circular array.
[0026] When the filter plate 6 needs to be cleaned, the first water inlet 8 is closed, the second water inlet 12 and the cover plate on the bottom of the sewage outlet 19 are opened, and the backwash water pump 13 is started, so that the water in the shell 1 is pumped into the circular tube 17 through the suction pipe 18. Under the action of the backwash water pump 13, the sewage in the circular tube 17 is flushed out through the sewage outlet 19, and the second motor 14 is started to drive the threaded rod 15 to rotate, so that the threaded rod 15 drives the movable plate 16 to move, so that the circular tube 17 drives the suction pipe 18 to rotate and move at the same time, and the dirt on the inside of the filter plate 6 is sucked into the suction pipe 18, and the staff does not need to disassemble the equipment for cleaning, which is convenient to use.
[0027] Specifically, the working principle and operation method of the utility model are as follows:
[0028] During the specific operation, the discharged sewage is put into the housing 1 from the first water inlet 8, and then the operation is as follows;
[0029] Step 1: Under normal circumstances, the cover plate on the bottom of the sewage outlet 19 is in a closed state, and the first motor 3 is started, the first motor 3 drives the gear 4 to rotate, and the gear 4 drives the gear ring 5 to rotate, so that the filter plate 6 rotates, driving the sewage in the housing 1 to rotate, and the filtered water is discharged through the water outlet 9;
[0030] Step 2, when the filter plate 6 needs to be cleaned, close the first water inlet 8, open the second water inlet 12 and the cover plate on the bottom of the sewage outlet 19, start the backwash water pump 13, so that the water in the shell 1 is pumped into the circular tube 17 through the suction pipe 18, and under the action of the backwash water pump 13, the sewage in the circular tube 17 is flushed out through the sewage outlet 19, start the second motor 14, drive the threaded rod 15 to rotate, so that the threaded rod 15 drives the movable plate 16 to move, so that the circular tube 17 drives the suction pipe 18 to rotate and move at the same time, and the dirt on the inside of the filter plate 6 is sucked into the suction pipe 18.
[0031] The utility model solves the problems that ordinary filter nets are prone to clogging and residual dirt in the equipment is difficult to clean when using municipal drainage filtering equipment through the coordinated use of various components. By setting a filter plate, the dirt in the sewage sinks and clogging is not easy to occur during drainage. By setting a pumping pipe, there is no need for staff to disassemble the equipment for cleaning.
[0032] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.
Claims
1. A municipal drainage filtration device, comprising a housing (1), characterized in that: The shell (1) is in the shape of a circular barrel. A plurality of support rods (20) are fixedly arranged on the bottom surface of the shell (1). The support rods (20) are arranged in a circular array. An annular plate (7) is arranged on the upper inner portion of the shell (1). An annular groove is provided on the upper inner portion of the shell (1). The annular plate (7) is arranged in the annular groove. A filter plate (6) is fixedly arranged on the inner side of the annular plate (7). The filter plate (6) is in the shape of a barrel. A plurality of circular holes are provided in the middle of the filter plate (6). A gear ring (5) is fixedly arranged on the bottom surface of the filter plate (6). A first mounting plate (2) is fixedly arranged on the lower portion of the shell (1). A first motor (3) is fixedly arranged in a transverse manner inside the first mounting plate (2). A gear (4) is fixedly arranged on the output end of the first motor (3). The gear (4) is located below the gear ring (5). The gear (4) and the gear ring (5) are meshed.
2. A municipal drainage filtration device according to claim 1, characterized in that: A first water inlet (8) is provided at the upper portion of one side of the shell (1), a water outlet (9) is provided at the lower portion of the other side of the shell (1), a sewage outlet (19) is provided at the middle portion of the bottom surface of the shell (1), and a cover plate is provided at the bottom surface of the sewage outlet (19).
3. A municipal drainage filtration device according to claim 1, characterized in that: A connecting pipe (10) is fixedly arranged in the middle of the top surface of the shell (1), and a second mounting plate (11) is fixedly arranged on the top surface of the connecting pipe (10).
4. A municipal drainage filtration device according to claim 3, characterized in that: A second water inlet (12) is fixedly provided on the other side of the connecting pipe (10), and a backwash water pump (13) is fixedly provided at the upper end of the second water inlet (12).
5. A municipal drainage filtration device according to claim 3, characterized in that: A second motor (14) is vertically fixed inside the second mounting plate (11), a threaded rod (15) is fixed at the output end of the second motor (14), and the other end of the threaded rod (15) is threadedly connected to a moving plate (16).
6. A municipal drainage filtration device according to claim 5, characterized in that: The top surface of the movable plate (16) is provided with a plurality of fan-shaped holes, the middle portion of the top surface of the movable plate (16) is provided with a connecting hole, and the threaded rod (15) is threadedly connected in the connecting hole.
7. A municipal drainage filtration device according to claim 6, characterized in that: A round tube (17) is provided at the other end of the threaded rod (15); the round tube (17) and the movable plate (16) are located on the same axis; the inner diameter of the round tube (17) is equal to the outer diameter of the movable plate (16); and the round tube (17) and the movable plate (16) are fixedly connected.
8. A municipal drainage filtration device according to claim 7, characterized in that: The outer diameter of the circular tube (17) is equal to the inner diameter of the connecting tube (10); the circular tube (17) is arranged inside the connecting tube (10); a plurality of water pumping pipes (18) are fixedly arranged on the outer side of the circular tube (17); and the water pumping pipes (18) are arranged in a circular array.