A purifier for contaminated water and a filter tank using the same
By designing a cylinder, plate, and drive unit in the polluted water purification device, and using a rotating scraper to remove debris from the filter holes, the problem of filter hole clogging is solved, achieving automated debris cleaning and maintaining a high-efficiency filtration effect.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- NANCHANG URBAN PLANNING & DESIGN RES INST GRP CO LTD
- Filing Date
- 2025-07-03
- Publication Date
- 2026-05-29
AI Technical Summary
Existing filtration devices are prone to clogging of filter holes with debris after prolonged use, resulting in reduced filtration efficiency and the need for manual cleaning, which is time-consuming and labor-intensive.
Design a purification device, including a cylinder, a plate, and a drive unit. A scraper is provided on the plate, and the drive unit drives the scraper to rotate, scraping away the debris covering the filter holes and keeping the filter holes unobstructed.
It effectively prevents filter pore clogging, maintains the filtration efficiency of polluted water, reduces manual intervention, and improves the efficiency of automated cleaning.
Smart Images

Figure CN224292652U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of polluted water filtration technology, specifically to a purification device for polluted water and a filter tank using the device. Background Technology
[0002] The polluted water generated by industrial parks contains a large amount of complex organic matter, such as hair, hide residue, and silt, as well as floatable oil pollutants. Direct discharge would pollute the environment, so it needs to be purified and filtered before being discharged.
[0003] However, after prolonged use, the filter pores of existing filtration devices used for solid-liquid separation are easily clogged by debris such as mud, sand, or fur. In order for the filtration device to continue purifying and filtering, operators need to clean the debris near the filter pores. This not only reduces the treatment effect of polluted water, but also consumes manpower and time, causing inconvenience to the staff. Utility Model Content
[0004] In view of this, the purpose of this utility model is to provide a purification device for polluted water and a filter tank using the device, so as to solve the problem that the filter pores of existing filtration devices are easily clogged by debris after filtering polluted water for a long time, thereby reducing the filtration efficiency.
[0005] This utility model is achieved through the following technical solution:
[0006] A purification device for polluted water includes a cylindrical body with multiple filter holes penetrating its sidewalls, the multiple filter holes being arranged along the circumference of the cylindrical body. A plate is disposed inside the cylindrical body, a scraper is disposed on the top surface of the plate, and a driving part capable of driving the plate to rotate is disposed on the bottom surface. The plate is threadedly connected to the scraper.
[0007] Further defining the driving unit, the driving unit includes a rotating cylinder, a guide rod, and a first elastic support member. The rotating cylinder is disposed on the bottom surface of the plate body, and a guide groove is formed on the outer wall of the rotating cylinder. One end of the guide rod abuts against the guide groove, and the other end is fixedly connected to the cylinder body. The upper and lower ends of the first elastic support member are respectively connected to the rotating cylinder and the cylinder body.
[0008] Further defined, the guide groove includes two vertical grooves, two limiting grooves, and two arc-shaped grooves. The two vertical grooves are located on opposite sides of the rotating cylinder. The two limiting grooves are respectively connected to the lower ends of the two vertical grooves. The upper ends of the two arc-shaped grooves are respectively connected to the upper ends of the two vertical grooves, and the lower ends are respectively connected to the two limiting grooves.
[0009] Further specifying, the guide rod includes a fixed section and a telescopic section, the fixed section is provided with a second elastic support member, the two ends of the second elastic support member are respectively connected to the fixed section and the telescopic section, and the telescopic section abuts against the limiting groove in its natural state.
[0010] Furthermore, the cylinder has a discharge port extending through its side wall, the discharge port being located below the filter holes, and a collection shell communicating with the discharge port is provided on the outer wall of the cylinder.
[0011] Furthermore, the bottom surface of the collection shell is provided with an opening, and a water filter screen is provided inside the opening.
[0012] Further defining the scraper, the scraper includes a horizontal section and a vertical section, the vertical section is inclined, the lower end of the vertical section is connected to one end of the horizontal section, and the horizontal section is located on the inner wall of the cylinder.
[0013] Further specifying, a support frame is provided inside the cylinder, the first elastic support member is located on the top surface of the support frame, the first elastic support member is fitted with a fixing rod, one end of the fixing rod is connected to the bottom surface of the rotating cylinder, and the other end passes through the support frame.
[0014] The filter pool for the purification device for polluted water also includes a filter pool body for installing the purification device. A connecting frame is provided between the inner wall of the filter pool body and the lower end of the cylinder. The two ends of the connecting frame are detachably connected to the filter pool body and the cylinder, respectively.
[0015] The beneficial effects of this utility model are as follows:
[0016] Under long-term use, debris such as fur can easily accumulate and cover the filter holes at one end of the cylinder, causing blockage and reducing the output speed of the filter holes. At this time, the drive unit drives the scraper to rotate inside the cylinder. The scraper scrapes off the debris such as fur attached to the cylinder and covering the filter holes by rotating, so that the filter holes can maintain their filtering effect on polluted water.
[0017] Other advantages, objectives, and features of this invention will be set forth in part in the description which follows, and in part will be apparent to those skilled in the art from the following examination and study, or may be learned from practice of this invention. The objectives and other advantages of this invention can be realized and obtained through the following description. Attached Figure Description
[0018] Figure 1 This is a three-dimensional structural diagram of the present invention;
[0019] Figure 2 This is a partial structural schematic diagram of the present invention;
[0020] Figure 3 This is a cross-sectional view of the present invention;
[0021] Figure 4 This is a schematic diagram of the structure of the plate and the driving part of this utility model;
[0022] Figure 5 This is a schematic diagram of the guide groove of this utility model;
[0023] Figure 6 This is a schematic diagram of the connection between the filter body and the cylinder of this utility model.
[0024] In the picture:
[0025] 1. Cylinder body; 101. Filter hole; 102. Discharge port; 2. Plate body; 3. Drive unit; 301. Rotary drum; 302. Guide rod; 303. First elastic support member; 4. Guide groove; 401. Vertical groove; 402. Limiting groove; 403. Arc groove; 5. Collection shell; 501. Filter screen; 6. Scraper; 601. Horizontal section; 602. Vertical section; 7. Support frame; 8. Fixing rod; 9. Filter body; 10. Connecting frame. 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 embodiments of this utility model, and not all embodiments. The components of the embodiments of this utility model described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.
[0027] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.
[0028] 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.
[0029] In the above description of this utility model, it should be noted that the terms "one side," "the other side," 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 utility model product is in use. They 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. Therefore, they should not be construed as limitations 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.
[0030] Furthermore, terms such as "identical" do not imply that components must be absolutely identical; minor differences are permissible. The term "perpendicular" simply means that the positional relationship between components is more perpendicular than "parallel," not that the structure must be perfectly perpendicular; a slight tilt is acceptable.
[0031] Please see Figure 1-6 This utility model provides a technical solution: a purification device for polluted water, including a cylindrical body 1 with multiple filter holes 101 penetrating through its side wall, the multiple filter holes 101 being arranged along the circumferential direction of the cylindrical body 1, a plate 2 being provided inside the cylindrical body 1, a scraper 6 being provided on the top surface of the plate 2, and a driving part 3 being provided on the bottom surface to drive the plate 2 to rotate, the plate 2 being threadedly connected to the scraper 6.
[0032] The plate 2 has a screw protruding from the center of its top surface, and the scraper 6 has a threaded groove recessed at the bottom center. The plate 2 and the scraper 6 are threaded together by the screw and the threaded groove, so that the scraper 6 can be disassembled and replaced.
[0033] In this scheme, the inner wall of the cylinder 1 and the top surface of the plate 2 constitute a space for storing polluted water. The polluted water can be discharged and filtered through the filter hole 101 in this space. Under normal conditions, the output speed of the filter hole is greater than the input speed of the polluted water.
[0034] During use, polluted water is introduced onto the plate 2 inside the cylinder 1. The polluted water flows through the filter holes 101 and is then discharged and filtered, separating impurities such as fur from the polluted water. Under long-term use, impurities such as fur can easily accumulate and cover the end of the filter holes 101 facing the cylinder 1, causing blockage and reducing the output speed of the filter holes. At this time, the drive unit 3 drives the plate 2 to rotate inside the cylinder 1, and the scraper 6 rotates synchronously with the plate 2. The rotation of the scraper removes the impurities such as fur attached to the cylinder 1 and covering the filter holes 101, ensuring that the filter holes 101 maintain their filtering effect on the polluted water.
[0035] In this embodiment, the driving unit 3 includes a rotating cylinder 301, a guide rod 302, and a first elastic support member 303. The rotating cylinder 301 is disposed on the bottom surface of the plate 2, and the top surface of the rotating cylinder 301 is connected to the bottom surface of the plate 2. A guide groove 4 is formed on the outer wall of the rotating cylinder 301. One end of the guide rod 302 abuts against the guide groove 4, and the other end is fixedly connected to the cylinder 1. The upper and lower ends of the first elastic support member 303 are respectively connected to the rotating cylinder 301 and the cylinder 1. The guide groove 4 includes two vertical grooves 401, two limiting grooves 402, and two arc-shaped grooves 403. The two vertical grooves 401 are located on opposite sides of the rotating cylinder 301. The two limiting grooves 402 are respectively connected to the lower ends of the two vertical grooves 401. The upper ends of the two arc-shaped grooves 403 are respectively connected to the upper ends of the two vertical grooves 401, and the lower ends are respectively connected to the two limiting grooves 402.
[0036] Two vertical grooves 401 are located opposite each other on both sides of the rotating drum 301. Two limiting grooves 402 are connected to the lower ends of the two vertical grooves 401. The upper ends of two arc-shaped grooves 403 are connected to the upper ends of the two vertical grooves 401, and the lower ends are connected to the two limiting grooves 402. The thickness of the limiting groove 402 is less than the thickness of the lower end of the vertical groove 401. Therefore, a height difference is formed between the limiting groove 402 and the lower end of the vertical groove 401, so that the guide rod 302 located in the limiting groove 402 can be limited, so that the guide rod 302 will not move towards the vertical groove 401 within the limiting groove 402, but will move towards the arc-shaped groove 403. The thickness of the arc-shaped groove 403 gradually decreases from top to bottom. The thickness of the lower end of the arc-shaped groove 403 is not greater than the thickness of the limiting groove 402, and the thickness of the upper end is not less than the thickness of the vertical groove 401. Therefore, the sequence in which the guide rod 302 slides within the guide groove 4 is: limiting groove 402 - arc groove 403 - vertical groove 401 - limiting groove 402.
[0037] When the first elastic support 303 extends naturally, it lifts the rotating cylinder 301 and the plate 2 through elastic force (e.g., Figure 3 As shown in the figure, the guide rod 302 is located in one of the limiting grooves 402, and under the action of the first elastic support 303, the guide rod 302 will not enter the arc groove 403.
[0038] When the side of the filter hole 101 near the cylinder 1 is covered by debris, causing the output efficiency of sewage in the cylinder 1 to be less than the input efficiency, the sewage in the cylinder 1 will increase, and the pressure on the plate 2 will also increase. When the pressure on the plate 2 reaches a certain level, the plate 2 will overcome the elastic force of the first elastic support 303 and move downward. At the same time, the plate 2 will drive the rotating cylinder 301 to move downward synchronously. During the downward displacement of the rotating drum 301, since the end of the guide rod 302 is connected to the cylinder 1 and its horizontal position remains unchanged, the arc-shaped groove 403 contacts the top surface of the guide rod 302 through the downward displacement of the rotating drum 301. As the rotating drum 301 continues to move downward, the arc-shaped groove 403 compresses the guide rod 302, causing the guide rod 302 to slide along the arc-shaped groove 403. Since the position of the guide rod 302 is fixed on the cylinder 1, when the arc-shaped groove 403 and the guide rod 302 slide together, the rotating drum 301 rotates synchronously, thereby causing the scraper 6 to rotate. Then, the rotating scraper 6 removes the debris covering the filter hole 101, and the filter hole 101 restores its drainage effect.
[0039] As the filter hole 101 recovers, the polluted water on the plate 2 continues to be filtered and discharged. The polluted water on the plate 2 gradually decreases, and at the same time, the pressure on the plate 2 gradually decreases. Its weight can no longer overcome the elastic force of the first elastic element, and it moves upward under the push of the first elastic element. During this process, the guide rod 302 has slid through the arc groove 403 to the top of the vertical groove 401. As the plate 2 and the rotating cylinder 301 move upward, the guide rod 302 moves downward in the vertical groove 401, and finally the guide rod 302 moves into the limiting groove 402.
[0040] In this embodiment, the guide rod 302 includes a fixed section and a telescopic section. A second elastic support is provided in the fixed section. The two ends of the second elastic support are respectively connected to the fixed section and the telescopic section. The telescopic section abuts against the limiting groove 402 in its natural state.
[0041] The guide rod 302 is installed on the inner wall of the cylinder 1 via a fixed section, and the movement of the rotating cylinder 301 is restricted by inserting the telescopic end into the guide groove 4. When the telescopic section is located in the limiting groove 402, the second elastic support member is in a naturally extended state. When the telescopic end slides in the vertical end, the second support member is gradually compressed. When it is located in the vertical groove 401, the degree of compression of the second support member is smaller than when it is in the arc-shaped groove 403.
[0042] In this embodiment, a discharge port 102 is also provided through the side wall of the cylinder 1. The discharge port 102 is located below the filter hole 101. A collection shell 5 communicating with the discharge port 102 is provided on the outer wall of the cylinder 1.
[0043] The aperture of the outlet 102 is larger than the aperture of the filter hole 101;
[0044] When the plate 2 is not lowered, the outlet 102 is located below the plate 2, and the outlet 102 is not connected to the chamber above the plate 2.
[0045] When the scraper 6 scrapes the inner wall of the cylinder 1, the horizontal position of the plate 2 gradually decreases during the process. When it decreases to a certain extent, the outlet 102 is connected to the chamber above the plate 2. With the rotation of the plate 2, the scraper 6 scrapes the debris off and discharges it into the collection shell 5 through the outlet 102.
[0046] In this embodiment, the bottom surface of the collection shell 5 is provided with an opening, and a water filter screen 501 is provided inside the opening.
[0047] Because the outlet 102 is connected to the chamber above the plate 2, debris and some polluted water enter the shell. The excess polluted water is discharged through the filter screen 501, making it convenient for users to directly collect and clean the debris.
[0048] The filter screen can be installed in an open manner in a detachable way so that staff can replace or clean it regularly.
[0049] In this embodiment, the scraper 6 includes a horizontal section 601 and a vertical section 602. The side of the vertical section 602 closest to the inner wall of the cylinder 1 is inclined. The lower end of the vertical section 602 is connected to one end of the horizontal section 601. The horizontal section 601 is located on the inner wall of the cylinder 1.
[0050] Among them, the vertical section extends away from the cylinder and towards the middle of the cylinder to form a baffle;
[0051] The vertical section 602 scrapes off the debris from the inner wall of the cylinder 1 and the filter holes 101. As the scraper 6 rotates, the centrifugal force causes the debris to continue moving on the baffle. As the scraper 6 rotates, the debris is affected by the centrifugal force and moves away from the center of the cylinder 1. When the space on the top surface of the plate 2 is positioned downward and connected to the outlet 102, the debris is discharged outside the plate 2 through the outlet 102 under the action of centrifugal force and the traction of the polluted water.
[0052] In this embodiment, a support frame 7 is provided inside the cylinder 1. The first elastic support 303 is located on the top surface of the support frame 7. A fixing rod 8 is sleeved on the first elastic support 303. One end of the fixing rod 8 is connected to the bottom surface of the rotating cylinder 301, and the other end passes through the support frame 7.
[0053] The filter pool for the purification device for polluted water also includes a filter pool body 9 for installing the purification device. A connecting frame 10 is provided between the inner wall of the filter pool body 9 and the lower end of the cylinder 1. The two ends of the connecting frame 10 are detachably connected to the filter pool body 9 and the cylinder 1, respectively.
[0054] The ends of the connecting frame 10 are provided with screw holes, and the connecting frame 10 can be fixed to the filter body 9 and the cylinder 1 by bolt connection.
[0055] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model and are not intended to limit it. Although this utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solutions of this utility model without departing from the spirit and scope of the technical solutions of this utility model, and all such modifications or substitutions should be covered within the scope of the claims of this utility model.
Claims
1. A purification device for polluted water, comprising a cylindrical body (1) with a plurality of filter holes (101) penetrating its sidewall, the plurality of filter holes (101) being arranged along the circumferential direction of the cylindrical body (1), characterized in that: The cylinder (1) is provided with a plate (2), the top surface of the plate (2) is provided with a scraper (6), and the bottom surface is provided with a drive part (3) that can drive the plate (2) to rotate. The plate (2) is threadedly connected to the scraper (6).
2. The purification device for polluted water according to claim 1, characterized in that: The drive unit (3) includes a rotating cylinder (301), a guide rod (302) and a first elastic support member (303). The rotating cylinder (301) is disposed on the bottom surface of the plate (2). A guide groove (4) is provided on the outer wall of the rotating cylinder (301). One end of the guide rod (302) abuts against the guide groove (4) and the other end is fixedly connected to the cylinder (1). The upper and lower ends of the first elastic support member (303) are respectively connected to the rotating cylinder (301) and the cylinder (1).
3. The purification device for polluted water according to claim 2, characterized in that: The guide groove (4) includes two vertical grooves (401), two limiting grooves (402) and two arc-shaped grooves (403). The two vertical grooves (401) are located on opposite sides of the rotating cylinder (301). The two limiting grooves (402) are respectively connected to the lower ends of the two vertical grooves (401). The upper ends of the two arc-shaped grooves (403) are respectively connected to the upper ends of the two vertical grooves (401), and the lower ends are respectively connected to the two limiting grooves (402).
4. The purification device for polluted water according to claim 3, characterized in that: The guide rod (302) includes a fixed section and a telescopic section. A second elastic support is provided in the fixed section. The two ends of the second elastic support are connected to the fixed section and the telescopic section respectively. The telescopic section abuts against the limiting groove (402) in its natural state.
5. The purification device for polluted water according to claim 1, characterized in that: The side wall of the cylinder (1) is also provided with an outlet (102), which is located below the filter hole (101). The outer wall of the cylinder (1) is provided with a collection shell (5) that communicates with the outlet (102).
6. The purification device for polluted water according to claim 5, characterized in that: The bottom surface of the collection shell (5) is provided with an opening, and a water filter screen (501) is provided inside the opening.
7. The purification device for polluted water according to claim 1, characterized in that: The scraper (6) includes a horizontal section (601) and a vertical section (602). The vertical section (602) is inclined on the side near the cylinder. The lower end of the vertical section (602) is connected to one end of the horizontal section (601). The horizontal section (601) is located on the inner wall of the cylinder (1).
8. The purification device for polluted water according to claim 2, characterized in that: A support frame (7) is provided inside the cylinder (1). The first elastic support (303) is located on the top surface of the support frame (7). The first elastic support (303) is fitted with a fixing rod (8). One end of the fixing rod (8) is connected to the bottom surface of the rotating cylinder (301), and the other end passes through the support frame (7).
9. A filter bed used in a purification device for polluted water, characterized in that: The purification device for polluted water according to any one of claims 1-8 further includes a filter body (9) for installing the purification device, wherein a connecting frame (10) is provided between the inner wall of the filter body (9) and the lower end of the cylinder (1), and the two ends of the connecting frame (10) are detachably connected to the filter body (9) and the cylinder (1) respectively.