Sewage treatment equipment with filter element convenient to replace

By adopting a screw connection and snap-fit ​​structure in the sewage treatment equipment, the filter element can be easily replaced. It is also equipped with a stirring blade and scraper structure, which solves the problem of inconvenient filter element replacement and cleaning, and improves the operating efficiency and stability of the equipment.

CN223480823UActive Publication Date: 2025-10-28ZHONG HUAN LV ZHOU (TIAN JIN) HUAN JING KE JI FA ZHAN YOU XIAN GONG SI
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Patent Information

Application Number
CN202422972596.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-03
Publication Date
2025-10-28
Estimated Expiration
2034-12-03

AI Technical Summary

Technical Problem

The replacement and cleaning of filter cartridges in existing sewage treatment equipment is inconvenient, resulting in decreased filtration efficiency and complicated operation.

Method used

A wastewater treatment device comprising a treatment tank, a filter tank, and a conical hopper was designed. The filter cartridge can be easily replaced through screw connection and snap-fit ​​structure, and is equipped with stirring blades and scraper structure to improve stirring and cleaning efficiency.

Benefits of technology

It enables quick replacement and cleaning of filter elements, improves the operational reliability and filtration effect of the equipment, reduces the difficulty of operation and labor intensity, and extends the service life of the equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of sewage treatment equipment, in particular to sewage treatment equipment with a filter element convenient to replace, which comprises a treatment tank, a filter tank and a conical hopper, the filter tank is mounted at the bottom of the treatment tank, the conical hopper is mounted at the bottom end of the filter tank, and a water inlet pipe and an additive pipe are fixedly mounted at the top of the treatment tank. A motor is fixedly mounted at the top of the treatment tank, and a rotating rod is fixedly mounted at the output end of the motor. According to the utility model, the screw is taken down from the conical hopper, so that the conical hopper can be detached from the bottom of the filtering tank, and the filter element is rotated through the cross-shaped block on the bottom surface of the filter element, so that the clamping block on the top of the filter element and the clamping groove on the fixed block in the filtering tank are extruded to be in a clamping state, and a worker can conveniently and quickly take the filter element out of the filtering tank; therefore, the filter element is convenient and efficient to mount and replace, and the labor intensity and the mounting error are reduced.
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Description

Technical Field

[0001] This utility model relates to the field of sewage treatment equipment technology, and in particular to a sewage treatment equipment with convenient filter replacement. Background Technology

[0002] Wastewater generally refers to polluted wastewater from domestic and industrial processes. It mainly includes domestic sewage, industrial wastewater, and initial rainwater runoff. Major pollutants in wastewater include pathogens, oxygen-consuming pollutants, plant nutrients, and toxic pollutants. Currently, various types of wastewater are treated, and the treatment equipment varies accordingly. Some existing wastewater treatment devices are integrated, but over time, the filter cartridges accumulate dirt and grime, resulting in substandard filtered water. This necessitates cleaning the internal filter cartridges, which is difficult to clean and cumbersome to install. Therefore, a wastewater treatment device with convenient filter cartridge replacement is needed to solve these problems. Utility Model Content

[0003] The purpose of this utility model is to solve the technical problems mentioned in the background section.

[0004] This utility model adopts the following technical solution: a sewage treatment device with convenient filter replacement, including a treatment tank, a filter tank, and a conical hopper. The filter tank is installed at the bottom of the treatment tank, and the conical hopper is installed at the bottom end of the filter tank. An inlet pipe and an additive pipe are fixedly installed at the top of the treatment tank. A motor is fixedly installed at the top of the treatment tank, and a rotating rod is fixedly installed at the output end of the motor. A stirring blade and a material-turning fan are fixedly installed on the surface of the rotating rod. A filter plate is fixedly installed inside the treatment tank, and a filter element is installed inside the filter tank. A locking block is fixedly installed on the surface of the filter element, and a protruding edge and a cross block are fixedly installed on the bottom surface of the filter element. A fixing block is fixedly installed on the inner wall of the filter tank. A slot is formed on the surface of the fixing block, and a through hole is formed on the surface of the protruding edge. An insertion hole is formed at the bottom end of the outer surface of the filter tank. A groove is formed at the top of the conical hopper, and a screw is threadedly connected to the surface of the conical hopper.

[0005] Preferably, the stirring blades and the tipping fan are equidistantly distributed on the surface of the rotating rod, the surface of the stirring blades has through holes, and the tipping fan is located at the lower end of the rotating rod. This arrangement ensures uniform mixing of wastewater and additives, avoiding localized over-mixing or under-mixing. The through holes help reduce resistance during liquid mixing and improve mixing efficiency.

[0006] Preferably, the diameters of the perforations and insertion holes are the same, and their positions correspond one-to-one. This ensures the accuracy of the connection during filter element assembly, improves the convenience and speed of filter element replacement, reduces the possibility of installation errors, and reduces the operational difficulty for maintenance personnel.

[0007] Preferably, the bottom end of the filter tank is inserted into the interior of the groove, and the screw passes through the through hole and the insertion hole and is tightened onto the surface of the conical hopper. A sealing ring is provided between the bottom end of the filter tank and the contact surface of the groove. This effectively prevents leakage of sewage or filter residue, improves the reliability of equipment operation, and the screw's fixation through the through hole and the insertion hole makes the connection more secure, preventing loosening during long-term operation and extending the service life of the equipment.

[0008] Preferably, the locking block on the top surface of the filter element and the locking groove of the fixing block are connected by a locking mechanism. This simplifies the filter element assembly and disassembly process, significantly improves the efficiency of filter element replacement, reduces the labor intensity of maintenance personnel, ensures the stability of the filter element during use, prevents it from falling off or shifting, and enhances the filtration effect.

[0009] Preferably, a scraper is fixedly mounted on the surface of the rotating rod, and the scraper is in contact with the inner wall of the treatment tank. There are two sets of scrapers, symmetrically distributed inside the treatment tank. Here, the scrapers ensure that the dirt on the inner wall of the treatment tank is evenly scraped away, preventing dirt accumulation from affecting equipment operation.

[0010] Preferably, a rotating ring is fixedly mounted on the surface of the scraper, and an annular groove block is fixedly mounted on the inner wall of the treatment tank. The rotating block is rotatably connected inside the annular groove block. Here, the cooperation between the rotating ring and the annular groove block provides flexible rotation function, while increasing the stability of the scraper during operation, allowing the scraper to better conform to the tank wall during operation and ensuring better cleaning effect.

[0011] Compared with the prior art, the advantages and positive effects of this utility model are as follows:

[0012] 1. In this utility model, by removing the screw from the conical hopper, the conical hopper can be removed from the bottom of the filter tank. At this time, the filter element is rotated by the cross block on the bottom surface of the filter element, so that the locking block on the top of the filter element is squeezed into the locking groove on the fixing block inside the filter tank, which makes it easy for personnel to quickly remove the filter element from the inside of the filter tank. This makes the installation and replacement of the filter element convenient and efficient, reducing labor intensity and installation errors.

[0013] 2. In this utility model, the scraper on the surface of the rotating rod is in contact with the tank wall and can rotate flexibly through the rotating ring and the annular groove block. It can effectively scrape off the dirt on the tank wall and avoid affecting the operating efficiency due to scale or dirt accumulation. The symmetrical design of the scraper ensures the uniformity of cleaning and further improves the durability and long-term stability of the equipment. Attached Figure Description

[0014] Figure 1 A schematic diagram of a wastewater treatment device that allows for convenient filter replacement is provided for this utility model.

[0015] Figure 2 A cross-sectional view of a wastewater treatment device that allows for convenient filter replacement is provided for this utility model.

[0016] Figure 3 This utility model provides a schematic diagram of the stirring blades and the material turning fan of a sewage treatment device that allows for easy replacement of filter elements.

[0017] Figure 4 A cross-sectional view of the treatment tank of a wastewater treatment device that allows for convenient filter replacement is provided in this utility model.

[0018] Figure 5 A schematic diagram of a filter element for a wastewater treatment device that allows for convenient filter element replacement is provided for this utility model;

[0019] Figure 6 A bottom view of the filter element of a wastewater treatment device that allows for convenient filter element replacement is provided for this utility model.

[0020] Figure 7 This utility model provides an internal schematic diagram of the filter tank of a wastewater treatment device that allows for convenient filter element replacement.

[0021] Figure 8 This utility model presents a schematic diagram of a conical bucket for a wastewater treatment device that facilitates filter replacement.

[0022] Legend:

[0023] 1. Processing tank; 2. Water inlet pipe; 3. Additive pipe; 4. Motor; 5. Rotating rod; 6. Agitator blade; 7. Through hole; 8. Tilting fan; 9. Rotating ring; 10. Scraper; 11. Filter plate; 12. Filter tank; 13. Filter element; 14. Locking block; 15. Raised edge; 16. Perforation; 17. Cross block; 18. Fixing block; 19. Slot; 20. Insertion hole; 21. Annular groove block; 22. Conical hopper; 23. Embedded groove; 24. Screw. Detailed Implementation

[0024] In order to more clearly understand the above-mentioned purpose, features and advantages of the present invention, the present invention is further described below with reference to the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features therein can be combined with each other without conflict.

[0025] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.

[0026] Example 1

[0027] Please see Figure 1-8 This utility model provides a technical solution: a wastewater treatment device with convenient filter replacement, including a treatment tank 1, a filter tank 12, and a conical hopper 22. The filter tank 12 is installed at the bottom of the treatment tank 1, and the conical hopper 22 is installed at the bottom end of the filter tank 12. An inlet pipe 2 and an additive pipe 3 are fixedly installed on the top of the treatment tank 1. A motor 4 is fixedly installed on the top of the treatment tank 1, and a rotating rod 5 is fixedly installed at the output end of the motor 4. A stirring blade 6 and a material-turning fan 8 are fixedly installed on the surface of the rotating rod 5. The stirring blade 6 and the material-turning fan 8 are equidistantly distributed on the surface of the rotating rod 5. The surface of the stirring blade 6 has through holes 7. The material fan 8 is located at the lower end of the rotating rod 5, which can ensure the uniformity of mixing of sewage and additives and avoid local over-mixing or under-mixing. The through hole 7 helps to reduce the resistance during liquid mixing and improve the mixing efficiency. A filter plate 11 is fixedly installed inside the treatment tank 1. A filter element 13 is installed inside the filter tank 12. A locking block 14 is fixedly installed on the surface of the filter element 13. A protruding edge 15 and a cross block 17 are fixedly installed on the bottom surface of the filter element 13. A fixing block 18 is fixedly installed on the inner wall of the filter tank 12. A slot 19 is opened on the surface of the fixing block 18. The locking block 14 on the top surface of the filter element 13 and the slot 19 of the fixing block 18 are connected. The interlocking connection simplifies the assembly and disassembly of the filter element 13, significantly improving the efficiency of filter element 13 replacement, reducing the labor intensity of maintenance personnel, ensuring the stability of the filter element 13 during use, preventing it from falling off or shifting, and enhancing the filtration effect. The surface of the convex edge 15 has a perforation 16, the bottom of the outer surface of the filter canister 12 has an insertion hole 20, the top of the conical hopper 22 has a groove 23, and the surface of the conical hopper 22 is threaded with a screw 24. The diameters of the perforation 16 and the insertion hole 20 are the same, and their positions correspond one-to-one, ensuring the stability of the filter element 13 during assembly. The accuracy of the connection improves the convenience and speed of filter element 13 replacement, reduces the possibility of installation errors, and reduces the operational difficulty for maintenance personnel. The bottom end of the filter tank 12 is inserted into the interior of the groove 23, and the screw 24 passes through the through hole 16 and the insertion hole 20 and is tightened on the surface of the conical bucket 22. A sealing ring is provided between the bottom end of the filter tank 12 and the contact surface of the groove 23, which effectively prevents leakage of sewage or filter residue and improves the reliability of equipment operation. The screw 24 passes through the through hole 16 and the insertion hole 20 for fixation, making the connection more stable, preventing loosening during long-term operation, and extending the service life of the equipment.

[0028] Example 2

[0029] Please see Figure 2-4A scraper 10 is fixedly installed on the surface of the rotating rod 5. The scraper 10 is in contact with the inner wall of the treatment tank 1. There are two sets of scrapers 10, which are symmetrically distributed inside the treatment tank 1. The scraper 10 can ensure that the dirt on the inner wall of the treatment tank 1 is scraped off evenly, preventing the accumulation of dirt from affecting the operation of the equipment. A rotating ring 9 is fixedly installed on the surface of the scraper 10. An annular groove block 21 is fixedly installed on the inner wall of the treatment tank 1. The rotating block is rotatably connected inside the annular groove block 21. The cooperation between the rotating ring 9 and the annular groove block 21 provides a flexible rotation function and increases the stability of the scraper 10 during operation, so that the scraper 10 can fit more closely to the tank wall during operation, ensuring better cleaning effect.

[0030] Working Principle: Wastewater enters treatment tank 1 through inlet pipe 2. Simultaneously, a specific treatment agent is injected into the tank through additive pipe 3 as needed. Motor 4 drives rotor 5 to rotate. The stirring blades 6 and the material-turning fan 8 on rotor 5 rotate synchronously, creating strong stirring and flow. The stirring blades 6, with their evenly distributed through-holes 7, effectively reduce liquid resistance and improve mixing efficiency. The through-holes 7 also promote the formation of vortices in the liquid, enhancing the dissolution and diffusion of the additives. The material-turning fan 8, located at the lower end of rotor 5, further promotes liquid convection, avoiding local sedimentation and dead zones, improving mixing uniformity, and thus enhancing subsequent filtration efficiency. Symmetrically distributed scrapers 10 are installed on the surface of rotor 5. The scrapers 10 are in close contact with the inner wall of treatment tank 1, dynamically cleaning the tank wall through the rotation of rotor 5. The scrapers 10 not only remove attached dirt but also keep the equipment clean. To avoid scaling problems caused by long-term operation, the uniformly mixed wastewater is filtered through the filter plate 11 to intercept larger suspended particles. The treated wastewater flows to the filter tank 12 for further fine filtration. The filter element 13 inside the filter tank 12 performs graded treatment of the wastewater, removing fine particles, suspended solids and other pollutants. The cross block 17 at the bottom of the filter element 13 can be used to easily engage and fix the locking block 14 at the top of the filter element 13 with the locking groove 19 of the fixing block 18. The perforation 16 on the protruding edge 15 at the bottom of the filter element 13 corresponds to the insertion hole 20 at the bottom of the filter tank 12. At the same time, the screw 24 passes through the perforation 16 and the insertion hole 20 and is tightly connected to the conical bucket 22 to form multiple fixation. The sealing ring is set between the bottom of the filter tank 12 and the groove 23 at the top of the conical bucket 22, providing a high-efficiency sealing effect and preventing wastewater leakage.

[0031] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any other way. Any person skilled in the art may make changes or modifications to the above-disclosed technical content to create equivalent embodiments for application in other fields. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of the present utility model without departing from the technical solution of the present utility model shall still fall within the protection scope of the technical solution of the present utility model.

Claims

1. A wastewater treatment device with convenient filter replacement, comprising a treatment tank (1), a filter tank (12), and a conical hopper (22), wherein the filter tank (12) is installed at the bottom of the treatment tank (1), and the conical hopper (22) is installed at the bottom end of the filter tank (12), characterized in that: A water inlet pipe (2) and an additive pipe (3) are fixedly installed on the top of the treatment tank (1). A motor (4) is fixedly installed on the top of the treatment tank (1). A rotating rod (5) is fixedly installed at the output end of the motor (4). A stirring blade (6) and a material turning fan (8) are fixedly installed on the surface of the rotating rod (5). A filter plate (11) is fixedly installed inside the treatment tank (1). A filter element (13) is installed inside the filter tank (12). A locking block (14) is fixedly installed on the surface of the filter element (13). The bottom surface of the filter element (13) is fixedly equipped with a protruding edge (15) and a cross block (17). The inner wall of the filter tank (12) is fixedly equipped with a fixing block (18). The surface of the fixing block (18) is provided with a slot (19). The surface of the protruding edge (15) is provided with a through hole (16). The bottom end of the outer surface of the filter tank (12) is provided with an insertion hole (20). The top of the conical bucket (22) is provided with an embedded groove (23). The surface of the conical bucket (22) is threaded with a screw (24).

2. The wastewater treatment equipment with convenient filter replacement according to claim 1, characterized in that: The stirring blades (6) and the material-turning fan (8) are equidistantly distributed on the surface of the rotating rod (5). The surface of the stirring blades (6) is provided with through holes (7), and the material-turning fan (8) is located at the lower end of the rotating rod (5).

3. The wastewater treatment equipment with convenient filter replacement according to claim 1, characterized in that: The diameters of the perforation (16) and the insertion hole (20) are the same, and the positions of the perforation (16) and the insertion hole (20) correspond one-to-one.

4. The wastewater treatment equipment with convenient filter replacement according to claim 1, characterized in that: The bottom end of the filter canister (12) is inserted into the interior of the groove (23), and the screw (24) passes through the through hole (16) and the insertion hole (20) and is tightened on the surface of the conical bucket (22). A sealing ring is provided between the bottom end of the filter canister (12) and the contact surface of the groove (23).

5. The wastewater treatment equipment with convenient filter replacement according to claim 1, characterized in that: The locking block (14) on the top surface of the filter element (13) is connected to the locking groove (19) of the fixing block (18) by a locking mechanism.

6. The wastewater treatment equipment with convenient filter replacement according to claim 1, characterized in that: A scraper (10) is fixedly installed on the surface of the rotating rod (5). The scraper (10) is in contact with the inner wall of the treatment tank (1). There are two sets of scrapers (10), and the two sets of scrapers (10) are symmetrically distributed inside the treatment tank (1).

7. The wastewater treatment equipment with convenient filter replacement according to claim 6, characterized in that: A rotating ring (9) is fixedly installed on the surface of the scraper (10), and an annular groove block (21) is fixedly installed on the inner wall of the treatment tank (1). The rotating block is rotatably connected inside the annular groove block (21).