A circulating filter device for water pollution treatment

By setting up a separate circulating water tank and a self-priming pump system in the water pollution treatment device, combined with a cleaning brush design, multiple sewage circulation filtrations are achieved, solving the problem of incomplete filtration, improving filtration efficiency and suspended solids removal rate, and extending filter cartridge life.

CN224350391UActive Publication Date: 2026-06-12UNIV OF SHANGHAI FOR SCI & TECH
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Patent Information

Application Number
CN202521072754.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-28
Publication Date
2026-06-12
Estimated Expiration
2035-05-28

AI Technical Summary

Technical Problem

In existing technologies, filtration devices can only perform preliminary filtration, resulting in incomplete filtration, low filtration efficiency, and an inability to guarantee the effectiveness of wastewater treatment.

Method used

The system is designed with first and second circulating water tanks. The sewage is circulated between the two tanks by first and second self-priming pumps, which increases the number of filtrations. It is also equipped with filter components and cleaning brushes to ensure that the suspended solids removal rate is increased to more than 95%. The overflow pipe is linked with the clean water outlet pipe to stabilize the liquid level.

Benefits of technology

The design of multiple-cycle filtration and cleaning brushes significantly improves the efficiency of wastewater treatment, ensures pollutant removal rate, extends filter cartridge life, and avoids pollutant residue.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224350391U_ABST
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Abstract

The utility model discloses a kind of circulating filter devices for water pollution treatment, it is related to water pollution treatment technical field, including substrate, substrate upper surface middle part is fixedly connected with treatment pond, treatment pond is divided into first circulating pond and second circulating pond by partition, first self-priming pump is fixedly installed on the upper surface of substrate in the right end of treatment pond front side, the input end of first self-priming pump is connected with second circulating pond by first water inlet pipe, filter assembly is fixedly installed on the upper surface of substrate in the left end of treatment pond front side, the output end of first self-priming pump is connected with filter assembly by first water outlet pipe, second self-priming pump is fixedly connected with on the upper surface of substrate in the left side of treatment pond, the input end of second self-priming pump is connected with first circulating pond by second water inlet pipe.Advantage lies in: by separating treatment pond into first, second circulating pond, sewage is circulated between two ponds by first self-priming pump and second self-priming pump, this repeated filtering process.
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Description

Technical Field

[0001] This utility model relates to the field of water pollution control technology, specifically to a circulating filtration device for water pollution control. Background Technology

[0002] With social development, water resources are becoming increasingly scarce, and water pollution has become a problem affecting human development. Therefore, water pollution treatment has become increasingly popular in recent years. Water pollution treatment is the process of improving or eliminating water pollution using engineering and non-engineering methods, thereby centrally treating polluted water.

[0003] For example, Chinese Patent (CN216653534U) discloses a filtration device for water pollution treatment, including a box with an open top and a lid covering the box; a sewage inlet pipe is connected to the center of the lid; a rotating shaft is rotatably mounted between the inner walls of the box via bearings; several thin-plate-shaped blades are fixedly connected to the rotating shaft; a filter screen is disposed below the rotating shaft and is detachably installed on the inner wall of the box; and a water outlet pipe is connected to the bottom side wall of the box. Compared to the traditional method of spraying sewage directly onto a portion of the filter element from the pipe opening, this application can effectively increase the effective area of ​​sewage sprayed onto the filter element, resulting in higher utilization of the filter element and improved working efficiency.

[0004] While the aforementioned patents achieve wastewater filtration, their filtration devices can only perform preliminary filtration and cannot guarantee filtration efficiency. The filtered wastewater may not be completely filtered. To address these issues, a circulating filtration device for water pollution treatment is proposed. Utility Model Content

[0005] To solve the above-mentioned technical problems, this utility model provides a circulating filtration device for water pollution treatment. It solves the problem that although the current filtration device can filter sewage, it can only perform preliminary filtration of sewage and cannot guarantee its filtration efficiency. The filtered sewage may not be completely filtered.

[0006] To achieve the above objectives, the technical solution adopted by this utility model is as follows: a circulating filtration device for water pollution treatment, comprising a base plate, a treatment tank fixedly connected to the middle of the upper surface of the base plate, the treatment tank being divided into a first circulating water tank and a second circulating water tank by a partition, a first self-priming pump fixedly installed on the upper surface of the base plate at the front right end of the treatment tank, the input end of the first self-priming pump being connected to the second circulating water tank through a first inlet pipe, a filter assembly fixedly installed on the upper surface of the base plate at the front left end of the treatment tank, the output end of the first self-priming pump being connected to the filter assembly through a first outlet pipe, a second self-priming pump fixedly connected on the upper surface of the base plate at the left side of the treatment tank, the input end of the second self-priming pump being connected to the first circulating water tank through a second inlet pipe, the output end of the second self-priming pump being fixedly connected to a second outlet pipe, and the outlet of the second outlet pipe extending into the interior of the second circulating water tank.

[0007] Preferably, two sets of clamping strips are fixedly connected above the treatment pool, and a main sewage inlet pipe is fixedly connected between the two sets of clamping strips by pins. A first sewage outlet is provided at the left end of the main sewage inlet pipe, and a second sewage outlet is provided in the middle of the main sewage inlet pipe.

[0008] Preferably, the opening of the first drain nozzle extends into the interior of the first circulating water tank, and the opening of the second drain nozzle extends into the interior of the second circulating water tank.

[0009] Preferably, the lower rear end of the treatment tank is fixedly connected to a clean water outlet pipe at the positions of the first and second circulating water tanks, and the upper rear end of the treatment tank is fixedly connected to an overflow pipe at the positions of the first and second circulating water tanks, with the two overflow pipes respectively connected to the two clean water outlet pipes.

[0010] Preferably, the filter assembly includes a filter housing, which is fixedly connected to the upper surface of the substrate by a support. A sealing ring is fixedly connected to the upper part of the filter housing, and a filter cylinder is fixedly connected inside the sealing ring. A circulation pipe is fixedly connected to the bottom of the filter housing, and the end of the circulation pipe is connected to the inside of the first circulating water tank.

[0011] Preferably, a cylinder cover is fixedly connected to the top of the filter housing by bolts, and a speed reducer is fixedly installed on the top of the cylinder cover. The output end of the speed reducer passes through the top of the cylinder cover and is fixedly connected to a rotating shaft.

[0012] Preferably, rotating rods are fixedly connected to both sides of the bottom of the rotating shaft, and cleaning brushes are fixedly connected to the outer sides of the two sets of rotating rods, with the cleaning brushes abutting against the inner wall of the filter cylinder.

[0013] Compared with the prior art, the advantages of this utility model are as follows: This utility model divides the treatment tank into a first and a second circulating water tank, and drives the sewage to circulate between the two tanks through a first self-priming pump and a second self-priming pump, so that the sewage passes through the filtration component at least 5 times, and the suspended solids removal rate is increased to more than 95%. This repeated filtration process makes the water cleaner, and increasing the number of treatments can effectively improve the water quality and ensure that more pollutants are removed, thereby improving the overall treatment efficiency. The overflow pipe is linked with the clean water outlet pipe to ensure the stability of the liquid level in the two tanks and avoid pollutant residues caused by incomplete treatment in a single treatment. The inner wall of the filter cartridge is equipped with a cleaning brush, which is driven by a reducer to rotate the rotating shaft to remove impurities (such as algae and colloids) attached to the surface of the filter cartridge in real time, extending the service life of the filter element. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the structure of this utility model;

[0015] Figure 2 From another perspective of this utility model;

[0016] Figure 3 This is the filter component in this utility model;

[0017] Figure 4 for Figure 3 Sectional view at PP;

[0018] Figure 5 for Figure 1 Enlarged view of point A in the middle;

[0019] Figure 6 for Figure 1 Enlarged view of point B in the middle;

[0020] Figure 7 for Figure 4 Enlarged diagram of point C in the middle.

[0021] The numbers on the map are:

[0022] 1. Substrate; 2. Treatment tank; 3. First circulating water tank; 4. Second circulating water tank; 5. First self-priming pump; 6. First inlet pipe; 7. First outlet pipe; 8. Filter assembly; 801. Filter housing; 802. Sealing ring; 803. Filter cylinder; 804. Circulation pipe; 805. Reducer; 806. Rotating shaft; 807. Rotating rod; 808. Cleaning brush; 809. Cylinder cover; 9. Second self-priming pump; 10. Second inlet pipe; 11. Second outlet pipe; 12. Locking strip; 13. Main sewage inlet pipe; 14. First drain nozzle; 15. Second drain nozzle; 16. Clean water outlet pipe; 17. Overflow pipe. Detailed Implementation

[0023] The following description is intended to disclose the present invention so that those skilled in the art can implement it. The preferred embodiments described below are merely examples, and other obvious variations will occur to those skilled in the art.

[0024] Reference Figure 1-7 As shown, a circulating filtration device for water pollution treatment includes a base plate 1. A treatment tank 2 is fixedly connected to the middle of the upper surface of the base plate 1. The treatment tank 2 is divided into a first circulating water tank 3 and a second circulating water tank 4 by a partition. The treatment tank 2 is cleverly divided into the first circulating water tank 3 and the second circulating water tank 4 by the partition, realizing the zoned treatment of sewage and improving the treatment efficiency. A first self-priming pump 5 is fixedly installed on the upper surface of the base plate 1 at the front right end of the treatment tank 2. The input end of the first self-priming pump 5 is connected to the second circulating water tank 4 through a first inlet pipe 6. A filter assembly 8 is fixedly installed on the upper surface of the base plate 1 at the front left end of the treatment tank 2. The output end of the self-priming pump 5 is connected to the filter assembly 8 through the first water outlet pipe 7. A second self-priming pump 9 is fixedly connected to the left side of the treatment tank 2 on the upper surface of the substrate 1. The input end of the second self-priming pump 9 is connected to the first circulating water tank 3 through the second water inlet pipe 10. The output end of the second self-priming pump 9 is fixedly connected to the second water outlet pipe 11. The outlet of the second water outlet pipe 11 extends into the interior of the second circulating water tank 4. The first self-priming pump 5 and the second self-priming pump 9 are respectively responsible for drawing sewage between the two circulating water tanks, realizing the circulation of sewage. This design not only improves the efficiency of sewage treatment, but also helps to uniformly mix the water treatment agent and enhance the treatment effect.

[0025] Furthermore, two sets of clamping strips 12 are fixedly connected above the treatment tank 2. The two sets of clamping strips 12 are fixedly connected to the main sewage inlet pipe 13 by pins. A first sewage outlet 14 is provided at the left end of the main sewage inlet pipe 13, and a second sewage outlet 15 is provided in the middle of the main sewage inlet pipe 13.

[0026] Furthermore, the opening of the first drain nozzle 14 extends into the interior of the first circulating water tank 3, and the opening of the second drain nozzle 15 extends into the interior of the second circulating water tank 4. The design of the first drain nozzle 14 and the second drain nozzle 15 enables the sewage to be evenly distributed into the two circulating water tanks, which helps to achieve uniform treatment and efficient circulation of sewage.

[0027] Specifically, a clean water outlet pipe 16 is fixedly connected to the lower rear end of the treatment tank 2 at the positions of the first circulating water tank 3 and the second circulating water tank 4. An overflow pipe 17 is fixedly connected to the upper rear end of the treatment tank 2 at the positions of the first circulating water tank 3 and the second circulating water tank 4. The two overflow pipes 17 are respectively connected to the two clean water outlet pipes 16. The clean water outlet pipes 16 are responsible for discharging the treated clean water for subsequent use or discharge. The overflow pipes 17 serve as a safety device, automatically discharging excess water when the water level in the treatment tank 2 is too high to prevent damage to the device. The valve of the clean water outlet pipe 16 is a three-way valve. When treating sewage, the outlets of the overflow pipe 17 and the clean water outlet pipe 16 are connected, while the sewage in the circulating water tank will not flow out. This is prior art, and those skilled in the art will understand it.

[0028] Specifically, the filter assembly 8 includes a filter housing 801, which is fixedly connected to the upper surface of the substrate 1 via a support. A sealing ring 802 is fixedly connected to the upper part of the filter housing 801, and a filter cartridge 803 is fixedly connected inside the sealing ring 802. A circulation pipe 804 is fixedly connected to the bottom of the filter housing 801, and the end of the circulation pipe 804 communicates with the interior of the first circulating water tank 3. The sealing ring 802 ensures the sealing between the filter cartridge 803 and the filter housing 801, preventing sewage leakage. The cover 809 facilitates opening and closing the filter housing 801, making maintenance and replacement of the filter cartridge 803 easier.

[0029] Specifically, a cylinder cover 809 is fixedly connected to the top of the filter housing 801 by bolts, and a reducer 805 is fixedly installed on the top of the cylinder cover 809. The output end of the reducer 805 passes through the top of the cylinder cover 809 and is fixedly connected to a rotating shaft 806.

[0030] Specifically, rotating rods 807 are fixedly connected to both sides of the bottom of the rotating shaft 806. Cleaning brushes 808 are fixedly connected to the outer sides of the two sets of rotating rods 807. The cleaning brushes 808 abut against the inner wall of the filter cylinder 803. The rotating shaft 806 is driven to rotate by the reducer 805, which in turn drives the rotating rods 807 to rotate. The contact between the cleaning brushes 808 and the filter cylinder 803 can clean the impurities adhering to the inner wall of the filter cylinder 803.

[0031] Working principle: First, connect the sewage pipe to the main sewage inlet pipe 13. Sewage enters the first circulating water tank 3 and the second circulating water tank 4 through the first sewage outlet 14 and the second sewage outlet 15 respectively. After the sewage is injected, add a certain amount of water treatment agent to either circulating water tank. Then, start the first self-priming pump 5 and the second self-priming pump 9. The first self-priming pump 5 draws the sewage in the second circulating water tank 4 into the filter assembly 8. After being treated by the water treatment agent, the sewage that has settled is filtered by the filter cartridge 803 and then discharged into the first circulating water tank 3 through the circulation pipe 804. At the same time, the second self-priming pump 9 draws the sewage in the first circulating water tank 3 and discharges it into the second circulating water tank 4 through the second outlet pipe 11. The sewage in the treatment tank 2 is circulated and filtered by the operation of the first self-priming pump 5 and the second self-priming pump 9. When the treated sewage meets the discharge standard, the valve on the clean water outlet pipe 16 is opened to discharge it.

[0032] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A circulating filtration device for water pollution treatment, characterized in that: The system includes a substrate (1), a treatment tank (2) fixedly connected to the middle of the upper surface of the substrate (1), the treatment tank (2) being divided into a first circulating water tank (3) and a second circulating water tank (4) by a partition, a first self-priming pump (5) fixedly installed on the upper surface of the substrate (1) at the right front end of the treatment tank (2), the input end of the first self-priming pump (5) being connected to the second circulating water tank (4) through a first water inlet pipe (6), and a filter assembly fixedly installed on the upper surface of the substrate (1) at the left front end of the treatment tank (2). The output end of the first self-priming pump (5) is connected to the filter assembly (8) through the first water outlet pipe (7). The upper surface of the substrate (1) is fixedly connected to the left side of the treatment tank (2). The input end of the second self-priming pump (9) is connected to the first circulating water tank (3) through the second water inlet pipe (10). The output end of the second self-priming pump (9) is fixedly connected to the second water outlet pipe (11). The outlet of the second water outlet pipe (11) extends into the interior of the second circulating water tank (4).

2. The circulating filtration device for water pollution treatment according to claim 1, characterized in that: Two sets of clips (12) are fixedly connected above the treatment pool (2). The two sets of clips (12) are fixedly connected to the main sewage inlet pipe (13) by pins. A first sewage outlet (14) is provided at the left end of the main sewage inlet pipe (13), and a second sewage outlet (15) is provided in the middle of the main sewage inlet pipe (13).

3. A circulating filtration device for water pollution treatment according to claim 2, characterized in that: The opening of the first drain nozzle (14) extends into the interior of the first circulating water tank (3), and the opening of the second drain nozzle (15) extends into the interior of the second circulating water tank (4).

4. A circulating filtration device for water pollution treatment according to claim 1, characterized in that: The lower rear end of the treatment tank (2) is fixedly connected to a clean water outlet pipe (16) at the positions of the first circulating water tank (3) and the second circulating water tank (4). The upper rear end of the treatment tank (2) is fixedly connected to an overflow pipe (17) at the positions of the first circulating water tank (3) and the second circulating water tank (4). The two overflow pipes (17) are respectively connected to the two clean water outlet pipes (16).

5. A circulating filtration device for water pollution treatment according to any one of claims 1-4, characterized in that: The filter assembly (8) includes a filter housing (801), which is fixedly connected to the upper surface of the substrate (1) by a support. A sealing ring (802) is fixedly connected to the upper part of the filter housing (801), and a filter cylinder (803) is fixedly connected inside the sealing ring (802). A circulation pipe (804) is fixedly connected to the bottom of the filter housing (801), and the end of the circulation pipe (804) is connected to the inside of the first circulating water tank (3).

6. A circulating filtration device for water pollution treatment according to claim 5, characterized in that: A cylinder cover (809) is fixedly connected to the top of the filter housing (801) by bolts. A speed reducer (805) is fixedly installed on the top of the cylinder cover (809). The output end of the speed reducer (805) passes through the top of the cylinder cover (809) and is fixedly connected to a rotating shaft (806).

7. A circulating filtration device for water pollution treatment according to claim 6, characterized in that: Rotating rods (807) are fixedly connected to both sides of the bottom of the rotating shaft (806), and cleaning brushes (808) are fixedly connected to the outer sides of the two sets of rotating rods (807). The cleaning brushes (808) abut against the inner wall of the filter cylinder (803).

Citation Information

Patent Citations

  • Filtering device for water pollution control

    CN216653534U