Sewage resource equipment for domestic sewage treatment
By designing the filtration and sludge removal components, the problems of inconvenient disassembly and incomplete cleaning of the filter bucket in existing equipment have been solved, enabling convenient disassembly and thorough cleaning of the filter bucket and improving the efficiency and effectiveness of sewage treatment.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- QINGHAI TIANYI COMPOSITE MATERIALS CO LTD
- Filing Date
- 2025-04-28
- Publication Date
- 2026-06-12
AI Technical Summary
In existing domestic sewage resource recovery equipment, the funnel-shaped filter screen is inconvenient to disassemble and assemble, and the scale is not thoroughly cleaned, which affects the sewage treatment effect.
The design incorporates a filter assembly and a slag discharge assembly. The screw-on cover and motor-driven scraper structure facilitate the disassembly and cleaning of the filter bucket, ensuring thorough removal of impurities from the filter bucket.
It enables convenient disassembly and thorough cleaning of the filter bucket, improving the efficiency and effectiveness of wastewater treatment.
Smart Images

Figure CN224345512U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of domestic sewage treatment technology, and in particular relates to a sewage resource recovery device for domestic sewage treatment. Background Technology
[0002] The increase in population will lead to an increase in the discharge of domestic sewage. If domestic sewage is not treated, it will cause foul odors due to putrefaction and may even lead to the spread of infectious diseases. Therefore, effective measures need to be taken to treat sewage in order to solve the water resource crisis. Most existing sewage treatment technologies require a series of operations such as filtration, sedimentation, aeration and purification to recycle and reuse sewage. Corresponding equipment is used in the treatment of domestic sewage, such as domestic sewage resource treatment equipment.
[0003] A search revealed a wastewater resource recovery device disclosed in patent document CN216092632U, but it still has the following shortcomings in practical use:
[0004] 1. The domestic sewage resource treatment equipment disclosed in the patent document with patent publication number CN216092632U has a funnel-shaped filter screen set at the top of the filter box, and the top two sides of the funnel-shaped filter screen are provided with snap-fit components. The funnel-shaped filter screen can be disassembled and assembled by operating the snap-fit components. However, it is inconvenient to disassemble and assemble the sludge discharge component and the funnel filter screen at the same time, and it is not convenient to clean or repair at the same time.
[0005] 2. The domestic sewage resource treatment device disclosed in the patent document with patent publication number CN216092632U has a transmission component on one side of the surface of the filter box. By operating the transmission component, the distance between the two stops is adjusted, thereby realizing the opening and closing of the through hole. After the through hole is opened, the debris inside the funnel-shaped filter screen falls downward and is discharged. However, the scale on the funnel-shaped filter screen will not be cleaned off, which will cause the debris inside the funnel-shaped filter screen to be discharged incompletely, which will affect the treatment of domestic sewage again.
[0006] Therefore, we provide a wastewater resource recovery device for domestic sewage treatment to solve the above-mentioned problems. Utility Model Content
[0007] The purpose of this utility model is to provide a wastewater resource recovery device for domestic sewage treatment. By setting up a filter component, it is convenient to disassemble and assemble the filter bucket and the sludge discharge component at the same time, which facilitates simultaneous cleaning or maintenance. Furthermore, by setting up the sludge discharge component, it is convenient to clean the scale on the inner wall of the filter bucket, and to more thoroughly clean the debris inside the filter bucket. This solves the technical problem mentioned in the background art of the domestic sewage resource recovery device disclosed in the patent document with patent publication number CN216092632U.
[0008] To solve the above-mentioned technical problems, this utility model is achieved through the following technical solution:
[0009] This utility model relates to a wastewater resource recovery device for domestic sewage treatment, comprising a filter box, inside which is a filter assembly. The filter assembly includes an annular seat fixed to the upper part of the filter bucket. The annular seat is engaged in a positioning groove on the upper surface of the filter box. The inner side of the internal thread in the upper part of the positioning groove has a threaded cap. The threaded cap has a slag discharge assembly, which includes a mounting bracket connected to the threaded cap. A motor is connected to the top of the mounting bracket. A scraper is connected to the circumference of a vertically connected shaft at the output end of the motor. The scraper contacts the inner wall of the filter bucket. A ball nut is provided on the circumference of a vertically connected lead screw at the lower end of the shaft. A stop block is provided on the circumference of the ball nut and located on the lower surface of the filter bucket. The upper end of a symmetrically vertically penetrating guide rod on the stop block is connected to the outer wall of the filter bucket. A corrugated pipe connected to the lower surface of the stop block is sleeved on the circumference of the lead screw. The lower end of the corrugated pipe is rotatably connected to the inner bottom of the filter box.
[0010] The present invention is further configured such that the lower surface edge of the filter box has a ring array of pre-embedded piles, and the side of the filter box has a connected sedimentation tank.
[0011] The present invention is further configured such that the bottom of the positioning groove has a vertically fixed positioning rod in a ring array, the upper surface of the ring seat has a positioning hole in a ring array, and the positioning rod is sleeved inside the positioning hole.
[0012] The present invention is further configured such that the inner diameter of the annular seat is smaller than the maximum inner diameter of the filter bucket.
[0013] According to the wastewater resource recovery equipment for domestic sewage treatment as described in the claim, the threaded cover has symmetrically connected deodorization pipes on its inner surface and an inlet pipe on its inner surface.
[0014] The present invention is further configured such that the stop block has a frustum structure, and the sealing gasket provided on the upper surface of the stop block is in contact with the lower surface of the filter hopper.
[0015] The present invention is further configured such that the total height of the stop block and the sealing gasket is equal to the height of the ball nut, and the contact surface between the stop block and the ball nut has a sealing ring.
[0016] The present invention is further configured such that the three scrapers are arranged in a ring array, and the scrapers are right-angled trapezoidal structures.
[0017] The present invention is further configured such that a connecting pipe is provided on the lower edge of the outer side wall of the filter box, and a sludge pump is provided at the upper end of the connecting pipe.
[0018] This utility model has the following beneficial effects:
[0019] 1. This utility model sets up a filter assembly. By unscrewing the threaded cover clockwise and applying external force to the annular seat, the filter bucket is moved out of the filter box, thus realizing the disassembly of the filter bucket. At the same time, the slag discharge assembly is also disassembled, which facilitates the simultaneous disassembly and assembly of the filter bucket and the slag discharge assembly, making it convenient for simultaneous cleaning or maintenance, and enabling the filter bucket to better filter domestic sewage.
[0020] 2. This utility model, by setting up a slag discharge component, starts the motor, and the rotating shaft drives the scraper to rotate, cleaning the impurities inside the filter bucket. At the same time, the screw rotates, the baffle moves up and down, and the impurities inside the filter bucket fall downwards, making it easier to clean the impurities inside the filter bucket more thoroughly and facilitating the filtration of domestic sewage again. Attached Figure Description
[0021] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below.
[0022] Figure 1 A three-dimensional schematic diagram of a wastewater resource recovery device for domestic wastewater treatment;
[0023] Figure 2 This is an exploded view of the filter box and filter components;
[0024] Figure 3 for Figure 2 Enlarged schematic diagram of the structure at point A in the middle;
[0025] Figure 4 This is a schematic cross-sectional view of the connection between the filter box, filter hopper and slag discharge assembly.
[0026] The attached diagram lists the components represented by each number as follows:
[0027] 1-Filter box, 101-Embedded pile, 102-Sedimentation box, 2-Filter assembly, 201-Filter hopper, 201a-Annular seat, 201b-Positioning hole, 202-Threaded cover, 203-Positioning groove, 203a-Internal thread, 203b-Positioning rod, 204-Cover plate, 204a-Inlet pipe, 204b-Deodorization pipe, 3-Slag discharge assembly, 301-Mounting bracket, 302-Motor, 303-Shaft, 304-Scraper, 305-Screw rod, 305a-Ball nut, 306-Stop block, 306a-Sealing gasket, 306b-Bell pipe, 307-Guide rod, 308-Sludge pump, 308a-Connecting pipe. Detailed Implementation
[0028] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.
[0029] Example 1
[0030] Please see Figure 1 This utility model is a wastewater resource utilization device for domestic sewage treatment, including a filter box 1 and a pre-embedded pile 101. The pre-embedded pile 101 is used to fix the filter box 1 on the ground, thereby making the treatment of domestic sewage more stable.
[0031] Specifically, the lower surface edge of the filter box 1 has a pre-embedded pile 101 for connection, and the side of the filter box 1 has a sedimentation box 102 for connection.
[0032] Furthermore, a ring array of 101 pre-embedded piles is set up;
[0033] The operation process of this embodiment is as follows: a pre-embedded pit is set up on the ground, the pre-embedded pile 101 is pre-embedded in the pit, and the filter box 1 is limited to the ground.
[0034] Example 2
[0035] Please see Figure 1 , Figure 2 and Figure 3 Based on the first specific embodiment, a filter assembly 2 is provided. The filter assembly 2 includes a filter hopper 201, an annular seat 201a and a threaded cover 202. The filter hopper 201 can be disassembled and assembled by rotating and disassembling the threaded cover 202, which simplifies the operation and also enables the disassembly and assembly of the slag discharge assembly 3.
[0036] Specifically, the upper part of the inner circumference of the positioning groove 203 opened on the upper surface of the filter box 1 has an internal thread 203a, and the bottom of the positioning groove 203 has a vertically fixed positioning rod 203b. The upper part of the filter hopper 201 has a connected and fixed annular seat 201a. The annular seat 201a has a positioning hole 201b. The positioning rod 203b is sleeved inside the positioning hole 201b. The threaded cover 202 is threadedly connected to the inside of the positioning groove 203 through the internal thread 203a. The inside of the threaded cover 202 has a connected cover plate 204. The upper surface of the cover plate 204 has symmetrically connected deodorizing pipes 204b and a connected inlet pipe 204a.
[0037] Furthermore, the positioning holes 201b are arranged in a ring array, the positioning rods 203b are arranged in a ring array, and the inner diameter of the ring seat 201a is smaller than the maximum inner diameter of the filter hopper 201.
[0038] The operation process of this embodiment is as follows: rotate the threaded cover 202 clockwise until the threaded cover 202 is completely separated from the internal thread 203a, apply external force to the annular seat 201a, and move the filter bucket 201 upward out of the filter box 1 to realize the disassembly of the filter bucket 201; conversely, reinstall the filter bucket 201 inside the filter box 1; introduce domestic sewage from the inlet of the filter box 1, filter bucket 201 filters the domestic sewage, impurities are trapped inside the filter bucket 201, and liquid falls downward through the filter bucket 201.
[0039] Example 3
[0040] Please see Figure 1 and Figure 4 Based on specific embodiments one and two, a slag discharge assembly 3 is provided. The slag discharge assembly 3 includes a mounting frame 301, a motor 302, a rotating shaft 303, a scraper 304, a lead screw 305, a ball nut 305a, a stop block 306, and a guide rod 307. The motor 302 and the scraper 304 are rotated to clean the filter hopper 201, and the stop block 306 is moved up and down to discharge the impurities inside the filter hopper 201 downwards, so as to more thoroughly clean the debris inside the filter hopper 201 and facilitate the filtration treatment of domestic sewage again.
[0041] Specifically, the mounting bracket 301 is connected to the threaded cover 202. A motor 302 is connected to the inner top of the mounting bracket 301. A lead screw 305 is connected to the lower end of a vertically connected rotating shaft 303 at the output end of the motor 302. A scraper 304 connected to the circumference of the rotating shaft 303 contacts the inner wall of the filter hopper 201. A stop 306 is provided around the ball nut 305a on the circumference of the lead screw 305. A sealing gasket 306a on the upper surface of the stop 306 contacts the lower surface of the filter hopper 201. The upper end of the guide rod 307 that runs vertically through the baffle 306 is connected to the outer wall of the filter hopper 201. The lower surface of the baffle 306 has a corrugated pipe 306b connected to it. The corrugated pipe 306b is sleeved around the screw 305. The lower end of the corrugated pipe 306b is rotatably connected to the inner bottom of the filter box 1. A sludge pump 308 is installed on the upper side of the filter box 1. The sludge pump 308 has a connecting pipe 308a. The lower end of the connecting pipe 308a is connected to the lower edge of the outer wall of the filter box 1.
[0042] Furthermore, the mounting bracket 301 has an inverted U-shaped cross-section, and three scrapers 304 are arranged in a circular array. The scrapers 304 have a right-angled trapezoidal structure, and the contact surface between the ball nut 305a and the stop block 306 has a sealing ring.
[0043] The operation process of this embodiment is as follows: the motor 302 is turned on, the shaft 303 rotates, the scraper 304 rotates to clean the inner wall of the filter hopper 201, the lead screw 305 rotates, the ball nut 305a moves up and down, the stop block 306 moves accordingly, and the impurities inside the filter hopper 201 are discharged downwards; when it is necessary to clean the waste on the bottom of the filter box 1, the sludge pump 308 is powered on, and the waste inside the filter box 1 is discharged outwards through the connecting pipe 308a.
[0044] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.
Claims
1. A wastewater resource recovery device for domestic sewage treatment, comprising a filter box (1), characterized in that: The filter box (1) has a filter assembly (2) inside. The filter assembly (2) includes an annular seat (201a) that is connected to and fixed to the upper part of the filter bucket (201). The annular seat (201a) is engaged in the positioning groove (203) opened on the upper surface of the filter box (1). The inner side of the internal thread (203a) opened in the upper part of the positioning groove (203) has a threaded cap (202) with threaded connection. The lower surface edge of the filter box (1) has a pre-embedded pile (101) connected in a ring array, and the side of the filter box (1) has a sedimentation box (102) connected. The inner bottom of the positioning groove (203) has a vertically fixed positioning rod (203b) in a ring array, and the upper surface of the ring seat (201a) has a positioning hole (201b) in a ring array, and the positioning rod (203b) is sleeved inside the positioning hole (201b). The inner diameter of the annular seat (201a) is smaller than the maximum inner diameter of the filter bucket (201); The inner connecting cover plate (204) of the threaded cover (202) has symmetrically connected deodorizing pipes (204b) on its upper surface, and the upper surface of the cover plate (204) also has a connected inlet pipe (204a).
2. The wastewater resource recovery equipment for domestic sewage treatment according to claim 1, characterized in that: The threaded cover (202) has a slag discharge assembly (3) provided thereon. The slag discharge assembly (3) includes a mounting bracket (301) connected to the threaded cover (202). A motor (302) is connected to the inner top of the mounting bracket (301). A scraper (304) is connected to the circumference of a rotating shaft (303) vertically connected to the output end of the motor (302). The scraper (304) contacts the inner wall of the filter hopper (201). A lead screw (305) is vertically connected to the lower end of the rotating shaft (303). The filter hopper (201) has a ball nut (305a) on its periphery. A stop (306) on the periphery of the ball nut (305a) is located on the lower surface of the filter hopper (201). A guide rod (307) symmetrically and vertically penetrating the stop (306) is connected at its upper end to the outer wall of the filter hopper (201). A bellows (306b) connected to the lower surface of the stop (306) is sleeved on the periphery of the lead screw (305). The lower end of the bellows (306b) is rotatably connected to the inner bottom of the filter box (1). The baffle (306) has a frustum structure, and the sealing gasket (306a) provided on the upper surface of the baffle (306) is in contact with the lower surface of the filter hopper (201); The total height of the stop block (306) and the sealing gasket (306a) is equal to the height of the ball nut (305a), and the contact surface between the stop block (306) and the ball nut (305a) has a sealing ring. The three scrapers (304) are arranged in a ring array, and the scrapers (304) are right-angled trapezoidal structures; The lower edge of the outer wall of the filter box (1) has a connecting pipe (308a), and the upper end of the connecting pipe (308a) has a connected sludge pump (308).