An integrated multi-stage high-efficiency sewage treatment equipment

Abstract

The present invention relates to an integrated multi-stage high-efficiency sewage treatment equipment, comprising a sedimentation tank, a flocculation tank and a graded filtering mechanism, wherein the sedimentation tank, the flocculation tank and the graded filtering mechanism are connected in sequence through pipelines, and the graded filtering mechanism comprises several filter boxes, a sewage trough is provided at the bottom of the filter box, and a bottom cover is installed on the sewage trough, a connecting pipe is installed on the bottom cover, and a water inlet pipe is installed on the side wall of the filter box located at the head of the graded filtering mechanism; the rotation of the rotary sealing plate is realized by the operation of the first motor, thereby driving the high-pressure air nozzle to rotate back and forth around the filter cartridge, the lifting and lowering of the lifting plate is realized by the operation of the second motor, thereby realizing the lifting and lowering of the high-pressure air nozzle, the mud guard and the annular scraper, and as the high-pressure air nozzle is lifted and lowered and rotated back and forth around the filter cartridge, the filter holes of the filter cartridge are cleaned by the high-pressure air nozzle to avoid clogging of the filter holes, and the inner wall of the filter cartridge is cleaned by the lifting and lowering of the annular scraper.

Description

Technical Field

[0001] The present invention relates to the technical field of sewage treatment, and in particular to an integrated multi-stage high-efficiency sewage treatment device. Background Art

[0002] Wastewater treatment is the use of physical, chemical and biological methods to treat wastewater, purify the wastewater, reduce pollution, and even achieve wastewater recycling and reuse, thereby making full use of water resources.

[0003] When treating sewage, physical filtration is used to remove impurities from the flocculated sewage. This treatment method requires regular cleaning of the filter cartridge. Manual cleaning is inefficient and labor-intensive. At the same time, the existing filter cartridge cleaning method is to flush the filter cartridge with a high-pressure water gun. This cleaning method causes the filtered impurities to mix again with the cleaning water, and direct discharge still causes water pollution. Summary of the Invention

[0004] The problem solved by the present invention is to provide an integrated multi-stage high-efficiency sewage treatment equipment, which solves the problem of removing impurities from flocculated sewage through physical filtration during sewage treatment. This treatment method requires regular cleaning of the filter cartridge, and manual cleaning is inefficient and labor-intensive. At the same time, the existing filter cartridge cleaning method is to flush the filter cartridge with a high-pressure water gun. This cleaning method causes the filtered impurities to mix with the cleaning water again, and direct discharge still poses the technical problem of water pollution.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions:

[0006] An integrated multi-stage high-efficiency sewage treatment equipment includes a sedimentation tank, a flocculation tank and a graded filtration mechanism, the sedimentation tank, the flocculation tank and the graded filtration mechanism are connected in sequence by pipes, the graded filtration mechanism includes several filter boxes, the bottom of the filter box is provided with a sewage trough, and the sewage trough is installed with a bottom cover, the bottom cover is installed with a connecting pipe, and the side wall of the filter box located at the head of the graded filtration mechanism is installed with a water inlet pipe, and the water inlet pipe is connected to the flocculation tank, the bottom wall of the filter box is provided with a filter cartridge, the top of the filter box is provided with a top groove, the top wall of the filter box is rotatably installed with a rotating sealing plate, and the rotating sealing plate is rotatably installed with the top of the filter cartridge, one end of the connecting pipe passes through the adjacent filter box and filter cartridge and is located in the filter cartridge, the filter pore size of several of the filter cartridges decreases step by step, and a cleaning component for cleaning the filter cartridge is installed on the rotating sealing plate.

[0007] Preferably, a first motor is installed on the top side of the filter box, and a rotating gear is installed on the output end of the first motor.

[0008] Preferably, the rotary sealing plate and the filter box are connected via a bearing, and a sealing ring is provided between the rotary sealing plate and the filter box. External teeth are provided on the outer side of the rotary sealing plate, and the external teeth are engaged with the rotating teeth.

[0009] Preferably, the cleaning assembly comprises a plurality of support arms mounted on the rotating sealing plate, and the plurality of support arms are connected to the mouth mask.

[0010] Preferably, threaded rods are installed around the bottom side of the mouth-shaped mask, and chain teeth are installed on the top ends of the threaded rods located inside the mouth-shaped mask, and several of the chain teeth are connected by a chain.

[0011] Preferably, a second motor is installed on the mouth-shaped mask, and an output end of the second motor is connected to one of the sprockets.

[0012] Preferably, the threaded rod and the lifting plate are threadedly connected, the lifting plate is connected to both sides of the fender respectively, and the bottom end of the fender passes through the center of the rotating sealing plate.

[0013] Preferably, U-shaped air pipes are installed at both ends of the lifting plate, and both ends of the air pipes are connected to high-pressure air nozzles through the C-shaped grooves on the rotating sealing plate. The two high-pressure air nozzles are respectively facing the two sides of the fender. A central tube is installed at the center of the top of the air pipe, and the central tube is connected to the air pump through a rotary joint. A sealing ring is provided at the bottom end of the air pipe for sealing the C-shaped groove, and a sealing ring is provided between the sealing ring and the filter box.

[0014] Preferably, triangular scrapers are symmetrically installed on the bottom side of the rotary sealing plate, and the triangular scrapers are in contact with the side walls of the fender. A connecting rod is installed on the bottom side of the lifting plate, and the bottom end of the connecting rod passes through the rotary sealing plate and is located in the filter cartridge with an annular scraper installed.

[0015] Preferably, the specific operating steps of the device are as follows:

[0016] Step 1: The sewage is initially precipitated in the sedimentation tank, and the upper sewage is transported to the flocculation tank where flocculants are added for stirring and flocculation. After sedimentation, the upper sewage is transported to the graded filtration mechanism, passes through the connecting pipe and the water inlet pipe, and enters the filter cartridge of the filter box. It is filtered step by step through the filter cartridge to intercept impurities inside the filter cartridge;

[0017] Step 2: Clean the filter cartridge regularly. At this time, remove the bottom cover, the second motor starts working, the sprocket and chain drive realize the rotation of the threaded rod, and then drive the lifting plate of the thread to rise and fall. The lifting plate lifts and falls to realize the lifting of the air pipe, mudguard and connecting rod. At the same time, the first motor drives the rotating teeth to rotate, and cooperates with the meshing external teeth to realize the rotation of the rotating sealing plate, driving the rotating sealing plate to rotate back and forth, and each rotation angle is 180°. Through the air pump, the high-pressure air nozzle blows high-pressure air toward the filter cartridge. Impurities are attached to the mudguard under the action of high-pressure airflow. At the same time, the connecting rod drives the annular scraper to move down to clean the inner wall of the filter cartridge. When the mudguard moves up, the impurities attached to the mudguard are scraped off by the triangular scraper.

[0018] The beneficial effects of the present invention are as follows: the first motor is used to rotate the rotary sealing plate, thereby driving the high-pressure gas nozzle to reciprocate around the filter cartridge; the second motor is used to lift and lower the lifting plate, thereby lifting and lowering the high-pressure gas nozzle, the fender, and the annular scraper; as the high-pressure gas nozzle is lifted and lowered and reciprocates around the filter cartridge, the filter holes of the filter cartridge are cleaned by the high-pressure gas nozzle to avoid clogging of the filter holes; and the inner wall of the filter cartridge is cleaned by lifting and lowering the annular scraper;

[0019] The fender and the high-pressure gas nozzle are raised and lowered and rotated synchronously, thereby blocking the impurities blown out of the high-pressure gas nozzle through the fender. Subsequently, as the fender moves upward, the triangular scraper cleans the fender to achieve waterless cleaning of the filter cartridge, saving water resources while ensuring that the filter cartridge is clean and thorough. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0021] Figure 2 This is a schematic structural diagram of the graded filtration mechanism of the present invention;

[0022] Figure 3 This is a schematic diagram of the filter box structure of the present invention;

[0023] Figure 4 This is a schematic diagram of the first structure inside the filter box of the present invention;

[0024] Figure 5 This is a schematic diagram of the second structure inside the filter box of the present invention;

[0025] Figure 6 This is a cross-sectional view of the filter box of the present invention;

[0026] Figure 7 Schematic diagram of the internal structure of the mouth mask of the present invention.

[0027] Legend:

[0028] 1. Sedimentation tank; 2. Flocculation tank; 3. Grading filtration mechanism; 4. Filter box; 5. Bottom cover; 6. Connecting pipe; 7. Water inlet pipe; 8. Top groove; 9. C-shaped groove; 10. Rotating sealing plate; 11. First motor; 12. Filter cartridge; 13. Rotating gear; 14. External gear; 15. Sealing ring; 16. Air pipe; 17. High-pressure air nozzle; 18. Fender; 19. Lifting plate; 20. Center pipe; 21. Mouth cover; 22. Support arm; 23. Second motor; 24. Sprocket; 25. Chain; 26. Threaded rod; 27. Triangular scraper block; 28. Connecting rod; 29. ​​Annular scraper. DETAILED DESCRIPTION

[0029] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative efforts shall fall within the scope of protection of the present invention.

[0030] Specific examples are given below.

[0031] See also Figures 1 to 7 , an integrated multi-stage high-efficiency sewage treatment equipment, including a sedimentation tank 1, a flocculation tank 2 and a graded filtration mechanism 3, the sedimentation tank 1, the flocculation tank 2 and the graded filtration mechanism 3 are connected in sequence through pipes, the graded filtration mechanism 3 includes several filter boxes 4, the bottom of the filter box 4 is provided with a sewage trough, and the sewage trough is installed with a bottom cover 5, the bottom cover 5 is installed with a connecting pipe 6, and the side wall of the filter box 4 located at the head of the graded filtration mechanism 3 is installed with a water inlet pipe 7, and the water inlet pipe 7 is connected to the flocculation tank 2, the bottom wall of the filter box 4 is installed with a filter cartridge 12, the top of the filter box 4 is provided with a top groove 8, and the top wall of the filter box 4 is rotatably installed with a rotating sealing plate 1 0, and the rotary sealing plate 10 is rotatably installed with the top of the filter cartridge 12, one end of the connecting pipe 6 passes through the adjacent filter box 4 and the filter cartridge 12 and is located in the filter cartridge 12, the filter pore sizes of several filter cartridges 12 are gradually reduced, and a cleaning component for cleaning the filter cartridge 12 is installed on the rotating sealing plate 10. The sewage is preliminarily precipitated in the sedimentation tank 1, and the upper sewage is transported to the flocculation tank 2 where a flocculant is added for stirring and flocculation. After precipitation, the upper sewage is transported to the graded filtration mechanism 3, passes through the connecting pipe 6 and the water inlet pipe 7, enters the filter cartridge 12 of the filter box 4, and is filtered step by step through the filter cartridge 12 to intercept impurities inside the filter cartridge 12.

[0032] A first motor 11 is installed on the top side of the filter box 4, and a rotating gear 13 is installed on the output end of the first motor 11. The rotary sealing plate 10 and the filter box 4 are connected through a bearing, and a sealing ring is provided between the rotary sealing plate 10 and the filter box 4. External teeth 14 are provided on the outer side of the rotary sealing plate 10, and the external teeth 14 are engaged with the rotating gear 13;

[0033] The cleaning assembly includes several support arms 22 mounted on the rotating sealing plate 10, and several support arms 22 are connected to the mouth-shaped mask 21. Threaded rods 26 are installed around the bottom side of the mouth-shaped mask 21, and the top of the threaded rods 26 is located in the mouth-shaped mask 21 and a sprocket 24 is installed. Several sprockets 24 are connected by a chain 25. A second motor 23 is installed on the mouth-shaped mask 21, and the output end of the second motor 23 is connected to one of the sprockets 24. The threaded rod 26 is threadedly connected to the lifting plate 19, and the lifting plate 19 is connected to both sides of the mudguard 18 respectively. The bottom end of the mud plate 18 passes through the center of the rotary sealing plate 10, and the two ends of the lifting plate 19 pass through the U-shaped air pipe 16, and the two ends of the air pipe 16 pass through the C-shaped groove 9 on the rotary sealing plate 10 and are connected to the high-pressure air nozzle 17. The two high-pressure air nozzles 17 are respectively facing the two sides of the mud guard 18. A central pipe 20 is installed at the center of the top of the air pipe 16, and the central pipe 20 is connected to the air pump through a rotary joint. The bottom end of the air pipe 16 has a sealing ring 15 for sealing the C-shaped groove 9, and a seal is provided between the sealing ring 15 and the filter box 4. The bottom side of the rotary sealing plate 10 faces the bottom of the air pipe 16. It is said that a triangular scraper 27 is installed, and the triangular scraper 27 contacts the side wall of the fender 18. A connecting rod 28 is installed on the bottom side of the lifting plate 19, and the bottom end of the connecting rod 28 passes through the rotating sealing plate 10 and is located in the filter cartridge 12. An annular scraper 29 is installed. The filter cartridge 12 is cleaned regularly. At this time, the bottom cover 5 is removed, the second motor 23 works, and the sprocket 24 and the chain 25 drive the threaded rod 26 to rotate, thereby driving the lifting plate 19 of the thread to rise and fall. The lifting plate 19 rises and falls to realize the lifting and falling of the air pipe 16, the fender 18 and the connecting rod 28. At the same time, the first The motor 11 drives the rotating gear 13 to rotate, and cooperates with the meshing external gear 14 to realize the rotation of the rotary sealing plate 10, driving the rotary sealing plate 10 to rotate back and forth, and each rotation angle is 180 degrees. Through the operation of the air pump, the high-pressure air nozzle 17 blows high-pressure air pressure toward the filter cartridge 12. Under the action of the high-pressure airflow, the impurities adhere to the fender 18. At the same time, the connecting rod 28 drives the annular scraper 29 to move downward to clean the inner wall of the filter cartridge 12. When the fender 18 moves upward, the impurities attached to the fender 18 are scraped off by the triangular scraper 27.

[0034] The first motor 11 is used to rotate the rotary sealing plate 10, thereby driving the high-pressure gas nozzle 17 to reciprocate around the filter cartridge 12. The second motor 23 is used to lift the lifting plate 19, thereby lifting the high-pressure gas nozzle 17, the fender 18, and the annular scraper 29. As the high-pressure gas nozzle 17 is lifted and lowered and reciprocates around the filter cartridge 12, the filter holes of the filter cartridge 12 are cleaned by the high-pressure gas nozzle 17 to prevent the filter holes from being blocked, and the inner wall of the filter cartridge 12 is cleaned by the lifting of the annular scraper 29.

[0035] The fender 18 is lifted and rotated synchronously with the high-pressure gas nozzle 17, thereby blocking the impurities blown out of the high-pressure gas nozzle 17 through the fender 18. Subsequently, as the fender 18 moves upward, the triangular scraper 27 cleans the fender 18 to achieve waterless cleaning of the filter cartridge 12, saving water resources while ensuring that the filter cartridge 12 is cleaned thoroughly.

[0036] The above description is only a preferred specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any technician familiar with the technical field, within the technical scope disclosed by the present invention, who makes equivalent replacements or changes based on the technical solution and inventive concept of the present invention, should be covered by the scope of protection of the present invention.

Claims

1. An integrated multi-stage high-efficiency sewage treatment equipment, characterized in that: The invention comprises a sedimentation tank (1), a flocculation tank (2) and a graded filtering mechanism (3), wherein the sedimentation tank (1), the flocculation tank (2) and the graded filtering mechanism (3) are sequentially connected through pipelines, and the graded filtering mechanism (3) comprises a plurality of filter boxes (4), a sewage trough is provided at the bottom of the filter box (4), and a bottom cover (5) is installed on the sewage trough, a connecting pipe (6) is installed on the bottom cover (5), and a water inlet pipe (7) is installed on the side wall of the filter box (4) located at the head of the graded filtering mechanism (3), and the water inlet pipe (7) is connected to the flocculation tank (2). The bottom wall of the filter box (4) is provided with a filter cartridge (12), the top of the filter box (4) is provided with a top groove (8), the top wall of the filter box (4) is rotatably provided with a rotary sealing plate (10), and the rotary sealing plate (10) is rotatably provided with the top of the filter cartridge (12), one end of the connecting pipe (6) passes through the adjacent filter box (4) and the filter cartridge (12) and is located in the filter cartridge (12), the filter pore sizes of the plurality of filter cartridges (12) decrease step by step, and a cleaning component for cleaning the filter cartridge (12) is provided on the rotary sealing plate (10); The cleaning assembly comprises a plurality of support arms (22) mounted on a rotating sealing plate (10), and the plurality of support arms (22) are connected to a mouth-shaped mask (21), and threaded rods (26) are mounted around the bottom side of the mouth-shaped mask (21); The threaded rod (26) and the lifting plate (19) are threadedly connected, the lifting plate (19) is respectively connected to both sides of the fender (18), and the bottom end of the fender (18) passes through the center of the rotating sealing plate (10); A U-shaped air pipe (16) is installed through both ends of the lifting plate (19), and both ends of the air pipe (16) pass through the C-shaped groove (9) on the rotating sealing plate (10) and are connected to the high-pressure air nozzle (17). The two high-pressure air nozzles (17) are respectively facing the two sides of the fender (18). A central pipe (20) is installed at the center of the top of the air pipe (16), and the central pipe (20) is connected to the air pump through a rotary joint. A sealing ring (15) is provided at the bottom end of the air pipe (16) for sealing the C-shaped groove (9), and a sealing ring is provided between the sealing ring (15) and the filter box (4).

2. The integrated multi-stage high-efficiency sewage treatment equipment according to claim 1 is characterized in that: A first motor (11) is installed on the top side of the filter box (4), and a rotating gear (13) is installed on the output end of the first motor (11).

3. The integrated multi-stage high-efficiency sewage treatment equipment according to claim 2 is characterized in that: The rotary sealing plate (10) and the filter box (4) are connected via a bearing, and a sealing ring is provided between the rotary sealing plate (10) and the filter box (4). External teeth (14) are provided on the outside of the rotary sealing plate (10), and the external teeth (14) mesh with the rotating teeth (13).

4. The integrated multi-stage high-efficiency sewage treatment equipment according to claim 3 is characterized in that: The top end of the threaded rod (26) is located in the mouth-shaped mask (21) and is provided with a chain tooth (24), and a plurality of the chain teeth (24) are connected by a chain (25).

5. The integrated multi-stage high-efficiency sewage treatment equipment according to claim 4 is characterized in that: A second motor (23) is mounted on the mouth mask (21), and an output end of the second motor (23) is connected to one of the sprockets (24).

6. The integrated multi-stage high-efficiency sewage treatment equipment according to claim 5 is characterized in that: A triangular scraper (27) is symmetrically mounted on the bottom side of the rotary sealing plate (10), and the triangular scraper (27) contacts the side wall of the fender (18). A connecting rod (28) is mounted on the bottom side of the lifting plate (19), and the bottom end of the connecting rod (28) passes through the rotary sealing plate (10) and is located inside the filter cartridge (12) and is equipped with an annular scraper (29).

7. The integrated multi-stage high-efficiency sewage treatment equipment according to claim 6 is characterized in that: The specific operation steps of the device are as follows: Step 1: The sewage is initially precipitated in the sedimentation tank (1), and the upper sewage is transported to the flocculation tank (2) where a flocculant is added for stirring and flocculation. After precipitation, the upper sewage is transported to the graded filtration mechanism (3), and enters the filter cartridge (12) of the filter box (4) through the connecting pipe (6) and the water inlet pipe (7). The sewage is filtered step by step through the filter cartridge (12), and impurities are intercepted inside the filter cartridge (12); Step 2: Clean the filter cartridge (12) regularly. At this time, remove the bottom cover (5), and the second motor (23) works. The sprocket (24) and the chain (25) drive the threaded rod (26) to rotate, thereby driving the threaded lifting plate (19) to rise and fall. The lifting plate (19) rises and falls to realize the rise and fall of the air pipe (16), the fender (18) and the connecting rod (28). At the same time, the first motor (11) works to drive the rotating gear (13) to rotate, and cooperates with the meshing outer gear (14) to realize the rotation of the sealing plate (1 0) rotates, driving the rotary sealing plate (10) to rotate back and forth, and each rotation angle is 180 degrees. Through the operation of the air pump, the high-pressure air nozzle (17) blows high-pressure air toward the filter cartridge (12). Impurities adhere to the fender (18) under the action of the high-pressure air flow. At the same time, the connecting rod (28) drives the annular scraper (29) to move downward to clean the inner wall of the filter cartridge (12). When the fender (18) moves upward, the impurities attached to the fender (18) are scraped off by the triangular scraper (27).

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