A wastewater treatment device for efficient nitrogen and phosphorus recovery

Abstract

This utility model discloses a wastewater treatment device for efficient nitrogen and phosphorus recovery, comprising a first housing, a motor mounted on the first housing, a screw fixedly connected to the output end of the motor, the screw being rotatably connected to the first housing, a first threaded sleeve threadedly connected to the outer wall of the screw, a first plate fixedly connected to the outer wall of the first threaded sleeve, and a second plate in contact with one end of the first plate. The motor drives the screw to rotate, causing the first threaded sleeve to move the first plate, the second plate, and the second housing laterally. The second housing is isolated by multiple mesh panels to create independent spaces for placing different chemical materials. The mesh design at both ends of the second housing allows wastewater to fully penetrate and contact the chemical materials during lateral movement within the first housing, effectively eliminating treatment blind spots and ensuring that nitrogen and phosphorus in the wastewater fully react with the chemical materials, thus comprehensively improving recovery efficiency.

Description

Technical Field

[0001] This utility model relates to the field of wastewater treatment technology, and in particular to a wastewater treatment device for efficient nitrogen and phosphorus recovery. Background Technology

[0002] Wastewater treatment is the process of separating, transforming, and degrading pollutants in wastewater through physical, chemical, and biological methods to meet discharge standards or reuse requirements. It effectively improves water quality and protects the aquatic environment. Common processes include activated sludge and biofilm processes. From domestic sewage to industrial wastewater, wastewater treatment plays a crucial role in water resource recycling and ecological protection.

[0003] The existing announcement number is CN220098587U, which describes a wastewater treatment device for efficient recovery of nitrogen and phosphorus. While performing the recovery treatment, the device can agitate the wastewater, thereby improving the recovery efficiency and preventing nitrogen and phosphorus from settling to the bottom of the device and causing recovery difficulties. During the agitation, the movable structure can rotate on its own using the power of the water flow, allowing the nitrogen and phosphorus in the wastewater to come into full contact with the chemical materials.

[0004] Although existing wastewater treatment devices can recover nitrogen and phosphorus, the oscillating motion of the moving structure creates blind spots, which to some extent prevents nitrogen and phosphorus in the wastewater from fully contacting the chemical materials, thus affecting the recovery efficiency. Utility Model Content

[0005] The purpose of this invention is to address the shortcomings of existing technologies by proposing a wastewater treatment device for efficient nitrogen and phosphorus recovery.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] A wastewater treatment device for efficient nitrogen and phosphorus recovery includes a first housing, on which a motor is installed. A screw is fixedly connected to the output end of the motor and rotatably connected to the first housing. A first threaded sleeve is threadedly connected to the outer wall of the screw. A first plate is fixedly connected to the outer wall of the first threaded sleeve. One end of the first plate contacts a second plate. A second housing is fixedly connected to the second plate. The second housing is adapted to the inner wall of the first housing. Mesh holes are provided at one and the other ends of the second housing. Multiple mesh plates are fixedly connected at equal intervals to the inner wall of the second housing.

[0008] Preferably, the first plate is fixedly connected with a plurality of columns at equal intervals, and the second plate is provided with a corresponding number of through holes at equal intervals. The plurality of columns are movably inserted through the corresponding through holes, and the plurality of columns are threadedly connected with a second threaded sleeve. The plurality of second threaded sleeves are in contact with the second plate.

[0009] Preferably, a sliding rod is fixedly connected to one end and the other end of the first box body, and the two sliding rods respectively movably pass through one end and the other end of the first plate body.

[0010] Preferably, the first housing is fixedly connected to a valve body.

[0011] Preferably, the motor is a servo motor.

[0012] Preferably, one end of each of the plurality of second threaded sleeves is fixedly connected with a rubber pad.

[0013] Preferably, all of the second threaded sleeves are machined with grinding marks.

[0014] The beneficial effects of this utility model are as follows:

[0015] 1. Through the coordination of the motor, screw, first threaded sleeve, first plate, second plate, second housing, mesh, and screen plates, the motor drives the screw to rotate, which in turn drives the first threaded sleeve to move the first plate, second plate, and second housing laterally. The second housing is isolated by multiple screen plates to create independent spaces for placing different chemical materials. The mesh design at both ends of the second housing allows wastewater to fully penetrate and contact with the chemical materials when it moves laterally within the first housing, effectively eliminating blind spots in the treatment process and ensuring that nitrogen and phosphorus in the wastewater fully react with the chemical materials, thereby comprehensively improving the recovery efficiency.

[0016] 2. By cooperating with the first plate, the second plate, the through hole, the column, and the second threaded sleeve, the second threaded sleeve is de-contacted with the second plate and the threaded connection with the column is removed. This allows the second plate to be disassembled, making it easy to remove the second box separately for replacing the chemical materials inside. This reduces maintenance difficulty and allows for flexible adjustment of the chemical material combination according to different water qualities, significantly improving the practicality and adaptability of the wastewater treatment device. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the structure of a wastewater treatment device for efficient nitrogen and phosphorus recovery proposed in this utility model;

[0018] Figure 2 for Figure 1 A schematic diagram of the structure of the motor, screw, and first threaded sleeve;

[0019] Figure 3 for Figure 1 A schematic diagram of the structure of the central column, the second threaded sleeve, and the slide bar;

[0020] Figure 4 for Figure 1 A structural schematic diagram of the second plate, the second box, and the mesh plate;

[0021] Figure 5 for Figure 1 A schematic diagram of the structure of the first housing, screw, and slide bar.

[0022] In the diagram: 1. First housing; 2. Motor; 3. Screw; 4. First threaded sleeve; 5. First plate; 6. Second plate; 7. Second housing; 8. Mesh; 9. Mesh plate; 10. Through hole; 11. Column; 12. Second threaded sleeve; 13. Slide rod; 14. Valve body. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0024] Example 1, referring to Figures 1 to 5 A wastewater treatment device for efficient nitrogen and phosphorus recovery includes a first housing 1, on which a motor 2 is installed. The model of the motor 2 is selected according to actual working requirements. A screw 3 is fixedly connected to the output end of the motor 2. The screw 3 is rotatably connected to the first housing 1. A first threaded sleeve 4 is threadedly connected to the outer wall of the screw 3. When the screw 3 rotates, the first threaded sleeve 4 can move linearly along the axial direction of the screw 3. A first plate 5 is fixedly connected to the outer wall of the first threaded sleeve 4. One end of the first plate 5 contacts a second plate 6. A second housing is fixedly connected to the second plate 6. 7. The second chamber 7 is adapted to the inner wall of the first chamber 1, allowing it to move laterally within the first chamber 1. Mesh openings 8 are provided at one and the other ends of the second chamber 7. Multiple mesh plates 9 are fixedly connected at equal intervals to the inner wall of the second chamber 7, isolating the interior of the second chamber 7 into multiple independent cavities for placing different types of solid chemical materials, such as solid nitrogen removal resin and magnesium ammonium phosphate crystal adsorbent. The motor 2 drives the screw 3 to rotate, causing the first threaded sleeve 4 to move the first plate 5, the second plate 6, and the second chamber 7 laterally. The second chamber 7, with its independent spaces created by the mesh plates 9 for placing different chemical materials, and the mesh openings 8 at both ends, allow wastewater to fully penetrate and contact the materials during movement within the first chamber 1, eliminating treatment blind spots and ensuring sufficient reaction between nitrogen and phosphorus, thus improving recovery efficiency.

[0025] In this embodiment, a plurality of columns 11 are fixedly connected to the first plate 5 at equal intervals, and a corresponding number of through holes 10 are opened at equal intervals on the second plate 6. The plurality of columns 11 respectively movably pass through the corresponding through holes 10 to form a guide structure to prevent the second plate 6 from shifting or rotating during movement. Each of the plurality of columns 11 is threadedly connected to a second threaded sleeve 12, and each of the plurality of second threaded sleeves 12 is in contact with the second plate 6. After tightening, their end faces are in close contact with the surface of the second plate 6 to fix the relative position of the second plate 6 and the first plate 5. A sliding rod 13 is fixedly connected to one end and the other end of the first box 1, and the two sliding rods 13 respectively movably pass through one end and the other end of the first plate 5 to form a sliding guide structure. To ensure the stability of the first plate 5 when moving the second box 7 laterally and avoid shaking, the first box 1 is fixedly connected to a valve body 14, which is used to discharge the sewage in the first box 1. The motor 2 is a servo motor, and its speed can be precisely adjusted by the control system to control the moving speed of the second box 7, adapting to the treatment needs of different water qualities. The control system can also switch the motor 2 to rotate in both directions to move the second box 7 back and forth. Each of the multiple second threaded sleeves 12 has a rubber pad fixedly connected to one end, which can increase the friction with the second plate 6 when tightened to prevent loosening. Each of the multiple second threaded sleeves 12 is machined with a textured surface to facilitate manual tightening and improve the convenience of disassembly and installation.

[0026] The working principle of this embodiment is as follows: During use, the motor 2 is connected to an external power supply and a drive device to operate, driving the screw 3 to rotate. This, in conjunction with the first threaded sleeve 4, causes the first plate 5, the second plate 6, and the second housing 7 to move laterally. The second housing 7 is divided into multiple independent spaces by multiple mesh plates 9 to hold different chemical materials. The mesh holes 8 at both ends of the second housing 7 allow wastewater to fully penetrate and contact the chemical materials when the second housing 7 moves within the first housing 1, effectively eliminating treatment dead zones and improving nitrogen and phosphorus recovery efficiency. When the chemical materials need to be replaced or adjusted, the contact between the second threaded sleeve 12 and the second plate 6, and the threaded connection between the through hole 10, the column 11, and the second threaded sleeve 12 are released. This allows the second plate 6 to be disassembled and the second housing 7 to be removed, facilitating the replacement of chemical materials. This method is flexible and adaptable to different water qualities, reduces maintenance difficulty, and enhances the practicality of the device.

[0027] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A wastewater treatment device for efficient nitrogen and phosphorus recovery, comprising a first housing (1), characterized in that, The first housing (1) is equipped with a motor (2), and the output end of the motor (2) is fixedly connected to a screw (3). The screw (3) is rotatably connected to the first housing (1). The outer wall of the screw (3) is threadedly connected to a first threaded sleeve (4). The outer wall of the first threaded sleeve (4) is fixedly connected to a first plate (5). One end of the first plate (5) contacts a second plate (6). The second plate (6) is fixedly connected to a second housing (7). The second housing (7) is adapted to the inner wall of the first housing (1). One end and the other end of the second housing (7) are provided with mesh holes (8). The inner wall of the second housing (7) is fixedly connected with multiple mesh plates (9) at equal intervals.

2. The wastewater treatment device for high-efficiency nitrogen and phosphorus recovery according to claim 1, characterized in that, The first plate (5) is fixedly connected with multiple columns (11) at equal intervals. The second plate (6) is provided with a corresponding number of through holes (10) at equal intervals. The multiple columns (11) are respectively movably connected through the corresponding through holes (10). The multiple columns (11) are all threadedly connected with second threaded sleeves (12). The multiple second threaded sleeves (12) are all in contact with the second plate (6).

3. The wastewater treatment device for high-efficiency nitrogen and phosphorus recovery according to claim 1, characterized in that, The first box (1) is fixedly connected to a slide rod (13) at one end and the other end, and the two slide rods (13) are respectively movably connected to one end and the other end of the first plate (5).

4. The wastewater treatment device for high-efficiency nitrogen and phosphorus recovery according to claim 1, characterized in that, The first housing (1) is fixedly connected to a valve body (14).

5. The wastewater treatment device for high-efficiency nitrogen and phosphorus recovery according to claim 1, characterized in that, The motor (2) is a servo motor.

6. The wastewater treatment device for high-efficiency nitrogen and phosphorus recovery according to claim 2, characterized in that, Each of the multiple second threaded sleeves (12) has a rubber pad fixedly connected to one end.

7. A wastewater treatment device for high-efficiency nitrogen and phosphorus recovery according to claim 2, characterized in that, Multiple second threaded sleeves (12) are all machined with grinding marks.

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