Multi-stage sewage treatment equipment based on sewage treatment agent and treatment method of multi-stage sewage treatment equipment

Abstract

The invention relates to the technical field of sewage treatment, and discloses sewage treatment agent-based multistage sewage treatment equipment and a treatment method thereof.The sewage treatment agent-based multistage sewage treatment equipment comprises a shell, a motor is fixedly connected to the top end of the shell, a rotating column is fixedly arranged at the output end of the motor, and a plurality of stirring rods are fixedly connected to the surface of the rotating column; a guide block is fixedly connected to the surface of the rotating column, a filter plate is slidably connected to the surface of the guide block, a plurality of sliding rods are fixedly connected to the inner wall of the shell, moving blocks are slidably connected to the surfaces of the two sliding rods, and scraping plates are fixedly connected to the adjacent sides of the two moving blocks. The motor drives the rotating column to rotate, and the guide block drives the filter plate to rotate between the scraper and the connecting plate when the rotating column rotates, so that the scraper and the connecting plate always clean impurities accumulated on the surface of the filter plate when the filter plate rotates, and the impurities are prevented from blocking the filter screen to affect the filtering efficiency.

Description

Technical Field

[0001] The present invention relates to the technical field of sewage treatment, in particular to a multi-stage sewage treatment device based on a sewage treatment agent and a treatment method thereof. Background Art

[0002] Multi-stage sewage treatment equipment is a type of equipment used in sewage treatment agent application scenarios. It treats sewage in steps through a combination of multiple treatment stages and different functional modules. It can effectively remove various pollutants and impurities in sewage, reduce the content of harmful substances in sewage, purify water quality, and make the treated sewage meet discharge standards or achieve resource utilization. It is widely used in industrial and domestic sewage treatment processes.

[0003] During the sewage treatment process, impurities easily adhere to and clog the filter plates of existing sewage treatment equipment. The existing equipment lacks an automatic cleaning mechanism, which causes impurities to accumulate continuously, affecting the filtration efficiency and making it difficult to maintain the continuous and efficient operation of the equipment. Summary of the Invention

[0004] In view of the shortcomings of the existing technology, the present invention provides a multi-stage sewage treatment equipment based on sewage treatment agent and a treatment method thereof, which solves the problem that impurities accumulate on the existing filter plates and affect the filtration efficiency.

[0005] To achieve the above objectives, the present invention is implemented through the following technical solutions: a multi-stage sewage treatment equipment based on sewage treatment agent, comprising a shell, a motor fixedly connected to the top of the shell, a rotating column fixedly provided at the output end of the motor, a plurality of stirring rods fixedly connected to the surface of the rotating column, a guide block fixedly connected to the surface of the rotating column, a filter plate slidably connected to the surface of the guide block, a plurality of sliding rods fixedly connected to the inner wall of the shell, two moving blocks slidably connected to the surfaces of the sliding rods, scrapers fixedly connected to the adjacent sides of the two moving blocks, the lower surfaces of the scrapers are tightly fitted with the filter plates, a vibration component is provided between the plurality of moving blocks, and a quantitative component is provided on the outside of the shell.

[0006] By adopting the above technical solution, when the motor drives the rotating column to rotate, the guide block drives the filter plate to rotate, the scraper continuously scrapes off debris on the surface of the filter plate to prevent clogging, and at the same time the stirring rod synchronously stirs the sewage and sewage treatment agent to accelerate the mixing reaction.

[0007] Preferably, the vibration component includes a connecting plate, which is fixedly connected to a plurality of moving blocks, a plurality of rollers are rotatably connected to the bottom of the connecting plate, a plurality of springs are fixedly connected to the tops of the moving blocks, and a plurality of springs are fixedly connected to the tops of the outer shell.

[0008] Preferably, a connection disk is fixedly connected to the surface of the rotating column, and a plurality of trapezoidal blocks are fixedly connected to the top of the connection disk.

[0009] Preferably, the quantitative component includes a fixing part, the inner wall of the fixing part is rotatably connected to a rotating disk, a plurality of storage grooves are opened on the surface of the rotating disk, the left end of the storage groove is fixedly connected to a connecting rod, the left end of the connecting rod is fixedly connected to a second bevel gear, the top of the second bevel gear is meshed with the first bevel gear, the first bevel gear is fixedly connected to the rotating column, the bottom of the fixing part is fixedly connected to a delivery pipe, and the bottom end of the delivery pipe is fixedly connected to the outer shell.

[0010] Preferably, a connecting piece is fixedly connected to the inner wall of the shell, the connecting piece is rotationally connected to the connecting rod, and the connecting piece is rotationally connected to the rotating column.

[0011] Preferably, a water inlet is provided at the top of the shell, a drain pipe is fixedly connected to the surface of the water inlet, and a valve is provided inside the drain pipe.

[0012] Preferably, the surfaces of the plurality of slide rods are fixedly connected with soft pads, and the plurality of soft pads are fixedly connected to the outer shell.

[0013] Preferably, baffles are fixedly connected to opposite sides of the scraper and the connecting plate, and the plurality of baffles are tightly fitted to the inner wall of the shell.

[0014] Preferably, an isolation cover is fixedly connected to the bottom of the connecting plate, and the inner wall of the isolation cover is slidably connected to the connecting plate.

[0015] Preferably, a treatment method based on a multi-stage sewage treatment device for a sewage treatment agent comprises the following steps:

[0016] S1. The user pours sewage into the device from the water inlet at the top of the shell;

[0017] S2. Start the motor to drive the rotating column to rotate. The guide block on the rotating column drives the filter plate to rotate between the scraper and the connecting plate. The scraper continuously scrapes away debris on the surface of the filter plate to prevent clogging.

[0018] S3. The rotating column rotates to drive the connecting plate and the trapezoidal block to rotate. The trapezoidal block presses against the roller at the bottom of the connecting plate, so that the connecting plate drives the moving block to slide on the slide rod. The moving block squeezes the spring to make the filter plate rotate and vibrate up and down at the same time, shaking off stubborn debris and unblocking the filter holes.

[0019] S4. The rotating column drives the first bevel gear to rotate, which in turn drives the rotating disk to rotate within the fixed component through the meshing second bevel gear and the connecting rod. The user delivers the sewage treatment agent to the fixed component, and the treatment agent falls into the storage tank of the rotating disk. As the rotating disk rotates, the treatment agent falls into the outer casing through the delivery pipe and mixes with the sewage.

[0020] S5, the motor drives the rotating column to rotate, thereby driving the stirring rod to stir and accelerate the reaction;

[0021] S6. After the treatment is completed, open the valve in the drain pipe and the purified sewage will be discharged from the drain pipe.

[0022] Working Principle: When using, first pour sewage into the equipment from the water inlet, then start the motor to drive the rotating column to rotate. The guide block on the rotating column drives the filter plate to rotate between the scraper and the connecting plate. The scraper is close to the surface of the filter plate, continuously scraping away debris to prevent clogging;

[0023] The rotation of the rotating column also drives the connecting plate and the trapezoidal block to rotate. The trapezoidal block presses against the roller at the bottom of the connecting plate, so that the connecting plate drives the moving block to slide on the slide rod, squeezing the spring, causing the filter plate to vibrate up and down while rotating, shaking off stubborn debris and unblocking the filter holes.

[0024] When the rotating column rotates, the first bevel gear drives the second bevel gear, which drives the rotating disk to rotate in the fixed part through the connecting rod. The user feeds the sewage treatment agent into the fixed part, and the treatment agent falls into the storage tank of the rotating disk. As the rotating disk rotates, the treatment agent falls into the outer shell through the delivery pipe and mixes with the sewage. The stirring rod stirs to accelerate the reaction. Finally, the treatment is completed and the valve of the drain pipe is opened to discharge the purified sewage.

[0025] The invention provides multi-stage sewage treatment equipment based on sewage treatment agents and a treatment method thereof.

[0026] It has the following beneficial effects:

[0027] 1. The present invention drives the rotating column to rotate through a motor. When the rotating column rotates, the filter plate is driven to rotate between the scraper and the connecting plate through the guide block, so that when the filter plate rotates, the scraper and the connecting plate always clean up the debris accumulated on the surface of the filter plate, preventing the debris from clogging the filter screen and affecting the filtration efficiency.

[0028] 2. The present invention drives the connecting plate and the trapezoidal block to rotate at the same time as the rotating rod is driven by a motor. At this time, the trapezoidal block presses against the roller to drive the connecting plate and the moving block to slide on the slide rod. Since a spring is provided on the top of the moving block, the rotating rod drives the filter plate to rotate and drives the connecting plate and the filter plate to vibrate up and down at the same time, thereby achieving the effect of efficiently removing debris from the filter plate surface and unblocking the filter holes, which not only speeds up the speed at which debris leaves the filter plate, but also enhances the thoroughness of cleaning.

[0029] 3. The present invention drives the first bevel gear to rotate while the motor drives the rotating column to rotate, thereby driving the second bevel gear, the connecting rod and the rotating disk to rotate. At this time, the sewage treatment agent is transported to the interior of the fixed part, and the sewage treatment agent falls into the storage tank. When the rotating disk rotates, the treatment agent in the storage tank falls into the delivery pipe and then falls into the outer shell to mix with the sewage, thereby realizing continuous quantitative delivery of the sewage treatment agent. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 A three-dimensional diagram of a multi-stage sewage treatment device based on a sewage treatment agent according to the present invention;

[0031] Figure 2 This is a schematic cross-sectional view of the shell of a multi-stage sewage treatment equipment based on a sewage treatment agent according to the present invention;

[0032] Figure 3 for Figure 2 Enlarged view of point A in the middle;

[0033] Figure 4 This is a schematic diagram of a filter plate of a multi-stage sewage treatment equipment based on a sewage treatment agent according to the present invention;

[0034] Figure 5 This is a schematic cross-sectional view of a connector of a multi-stage sewage treatment equipment based on a sewage treatment agent according to the present invention;

[0035] Figure 6 This is a schematic cross-sectional view of a connecting plate of a multi-stage sewage treatment equipment based on a sewage treatment agent according to the present invention;

[0036] Figure 7 for Figure 6 Enlarged view of point B in the middle;

[0037] Figure 8 This is a flow chart of a treatment method of a multi-stage sewage treatment equipment based on a sewage treatment agent according to the present invention.

[0038] Among them, 1. Shell; 2. Motor; 3. Fixing part; 4. Water inlet; 5. Drain pipe; 6. Valve; 7. Rotating column; 8. Guide block; 9. Agitator rod; 10. Filter plate; 11. Connector; 12. Moving block; 13. Scraper; 14. Slide rod; 15. Spring; 16. Cushion; 17. Baffle; 18. First bevel gear; 19. Second bevel gear; 20. Connecting rod; 21. Rotating disk; 22. Storage tank; 23. Delivery pipe; 24. Connecting plate; 25. Roller; 26. Connecting disk; 27. Trapezoidal block; 28. Isolation cover. DETAILED DESCRIPTION

[0039] The following will clearly and completely describe the technical solution of the present invention in conjunction with the accompanying drawings. Obviously, the embodiments described are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0040] Please see the attached Figure 1 -Attached Figure 3 The embodiment of the present invention provides a multi-stage sewage treatment equipment based on sewage treatment agent, including a shell 1, a motor 2 is fixedly connected to the top of the shell 1, a rotating column 7 is fixedly provided at the output end of the motor 2, a plurality of stirring rods 9 are fixedly connected to the surface of the rotating column 7, a guide block 8 is fixedly connected to the surface of the rotating column 7, a filter plate 10 is slidably connected to the surface of the guide block 8, a plurality of sliding rods 14 are fixedly connected to the inner wall of the shell 1, and a moving block 12 is slidably connected to the surface of the two sliding rods 14. A scraper 13 is fixedly connected to the adjacent side of the two moving blocks 12, and the lower surface of the scraper 13 is tightly fitted with the filter plate 10. A vibration component is provided between the multiple moving blocks 12, and a quantitative component is provided on the outside of the shell 1.

[0041] Specifically, sewage enters the outer shell 1 from the water inlet 4, and the starting motor 2 drives the rotating column 7 to rotate. The guide block 8 on the rotating column 7 drives the filter plate 10 to rotate between the scraper 13 and the connecting plate 24. During the rotation of the filter plate 10, the scraper 13 always cleans the debris accumulated on the surface of the filter plate 10 to prevent clogging by debris and affecting the filtration efficiency. The stirring rod 9 on the surface of the rotating column 7 rotates accordingly to preliminarily stir and mix the sewage and the sewage treatment agent, thereby accelerating the reaction speed of the agent and sewage and improving the mixing uniformity of the two.

[0042] See attached Figure 2 -Attached Figure 4 The vibration component includes a connecting plate 24, which is fixedly connected to the multiple moving blocks 12. The bottom of the connecting plate 24 is rotatably connected to multiple rollers 25. The tops of the multiple moving blocks 12 are fixedly connected to springs 15, and the tops of the multiple springs 15 are fixedly connected to the outer shell 1.

[0043] Specifically, the motor 2 drives the rotating column 7 to rotate, and at this time the connecting plate 26 and the trapezoidal block 27 rotate. At this time, the trapezoidal block 27 presses against the roller 25 so that the connecting plate 24 drives the moving block 12 to slide on the slide rod 14. The moving block 12 squeezes the spring 15 to contract, so that the filter plate 10 can vibrate up and down while rotating, effectively shaking off the debris firmly attached to the surface of the filter plate 10, and unblocking the clogged filter holes, thereby accelerating the speed at which the debris is separated from the filter plate 10.

[0044] See attached Figure 6 and attached Figure 7A connecting disk 26 is fixedly connected to the surface of the rotating column 7 , and a plurality of trapezoidal blocks 27 are fixedly connected to the top of the connecting disk 26 .

[0045] Specifically, the connecting plate 26 and the trapezoidal block 27 are driven to rotate synchronously by rotating the rotating column 7. The inclined surface structure of the trapezoidal block 27 is used to periodically press the roller 25 during the rotation process, so that the roller 25 drives the connecting plate 24 and the moving block 12 to slide back and forth on the slide rod 14. Combined with the elastic action of the spring 15, the up and down vibration effect of the filter plate 10 is achieved, thereby enhancing the ability to remove debris from the surface of the filter plate 10 and the dredging effect of the filter holes, thereby improving the cleaning efficiency and filtration performance of the entire sewage treatment equipment.

[0046] See attached Figure 4 and attached Figure 5 The quantitative component includes a fixing part 3, the inner wall of the fixing part 3 is rotatably connected to a rotating disk 21, a plurality of storage grooves 22 are opened on the surface of the rotating disk 21, the left end of the storage groove 22 is fixedly connected to a connecting rod 20, the left end of the connecting rod 20 is fixedly connected to a second bevel gear 19, the top of the second bevel gear 19 is meshed with the first bevel gear 18, the first bevel gear 18 is fixedly connected to the rotating column 7, the bottom of the fixing part 3 is fixedly connected to a delivery pipe 23, and the bottom end of the delivery pipe 23 is fixedly connected to the outer shell 1.

[0047] Specifically, when the motor 2 drives the rotating column 7 to rotate, it drives the first bevel gear 18 to rotate, and the first bevel gear 18 drives the second bevel gear 19, the connecting rod 20 and the rotating disk 21 to rotate on the inner wall of the fixed part 3. The user transports the sewage treatment agent to the inside of the fixed part 3, and the treatment agent falls into the storage tank 22 on the surface of the rotating disk 21. As the rotating disk 21 continues to rotate, the treatment agent in the storage tank 22 is brought to the position of the delivery pipe 23, and falls from the storage tank 22 into the delivery pipe 23, and is finally transported to the outer shell 1 through the delivery pipe 23 to mix with the sewage. Since the volume of the storage tank 22 on the rotating disk 21 is fixed, each time the rotating disk 21 rotates one circle, the storage tank 22 will quantitatively deliver a certain volume of treatment agent, thereby realizing accurate and quantitative delivery of the sewage treatment agent, ensuring that the dosage of the treatment agent put into the sewage is consistent each time, making the sewage treatment process more stable and efficient, and avoiding waste of agents or insufficient addition affecting the treatment effect.

[0048] See attached Figure 4 and attached Figure 5 A connecting piece 11 is fixedly connected to the inner wall of the shell 1, the connecting piece 11 is rotationally connected to the connecting rod 20, and the connecting piece 11 is rotationally connected to the rotating column 7.

[0049] Specifically, the connecting member 11 provides stable support and rotation fulcrum for the connecting rod 20 and the rotating column 7, so that the rotating column 7 can rotate stably and transmit power to the first bevel gear 18 under the drive of the motor 2, while ensuring that the connecting rod 20 can rotate flexibly under the drive of the second bevel gear 19, ensuring that the rotating disk 21 rotates smoothly in the fixing member 3.

[0050] See attached Figure 1 A water inlet 4 is provided at the top of the shell 1 , a drain pipe 5 is fixedly connected to the surface of the water inlet 4 , and a valve 6 is provided inside the drain pipe 5 .

[0051] Specifically, after the treatment is completed, the valve 6 is opened to allow the treated sewage to flow out of the drain pipe 5 .

[0052] See attached Figure 2 and attached Figure 3 , the surfaces of the multiple sliding rods 14 are fixedly connected with soft pads 16 , and the multiple soft pads 16 are fixedly connected to the shell 1 .

[0053] Specifically, the soft pad 16 allows the moving block 12 to slide on the surface of the slide rod 14, and the spring 15 rebounds to support the moving block 12 and collide with the soft pad 16 when it moves downward, thereby preventing the moving block 12 from directly colliding with the outer shell 1, reducing the rigid collision between the moving block 12 and the outer shell 1, reducing the vibration and noise during the operation of the equipment, and avoiding the shortening of the life of the components due to impact wear.

[0054] See attached Figure 2 and attached Figure 3 The scraper 13 and the connecting plate 24 are fixedly connected to the opposite side with a baffle 17, and the multiple baffles 17 are tightly fitted with the inner wall of the shell 1.

[0055] Specifically, when the moving block 12 slides up and down on the surface of the slide rod 14, the baffle 17 always blocks the position of the slide rod 14 to prevent sewage from splashing onto the connection between the slide rod 14 and the moving block 12 when entering, and to prevent impurities in the sewage from adhering to the surface of the slide rod 14 or entering the gap between the moving block 12 and the slide rod 14, thereby preventing the sliding of the moving block 12 from being blocked due to sewage corrosion or impurity jamming.

[0056] See attached Figure 6 and attached Figure 7 The bottom of the connecting plate 24 is fixedly connected to an isolation cover 28 , and the inner wall of the isolation cover 28 is slidably connected to the connecting plate 26 .

[0057] Specifically, a closed protective space is formed by the isolation cover 28 to isolate the roller 25 and the trapezoidal block 27 from the sewage environment, thereby preventing sewage from directly contacting the roller 25 and the trapezoidal block 27, and preventing particulate impurities in the sewage from getting stuck in the contact surface or transmission gap between the roller 25 and the trapezoidal block 27, thereby reducing component loss due to impurity wear.

[0058] See attached Figure 8 A method for treating sewage using a multi-stage sewage treatment device comprising the following steps:

[0059] S1. The user pours sewage into the device from the water inlet 4 at the top of the housing 1;

[0060] S2. Start the motor 2 to drive the rotating column 7 to rotate. The guide block 8 on the rotating column 7 drives the filter plate 10 to rotate between the scraper 13 and the connecting plate 24. The scraper 13 continuously scrapes away debris on the surface of the filter plate 10 to prevent clogging.

[0061] S3, the rotating column 7 rotates to drive the connecting plate 26 and the trapezoidal block 27 to rotate, and the trapezoidal block 27 presses against the roller 25 at the bottom of the connecting plate 24, so that the connecting plate 24 drives the moving block 12 to slide on the slide rod 14, and the moving block 12 squeezes the spring 15, so that the filter plate 10 rotates and vibrates up and down at the same time, shaking off stubborn debris and unblocking the filter holes;

[0062] S4. The rotating column 7 drives the first bevel gear 18 to rotate, and the meshing second bevel gear 19 and the connecting rod 20 drive the rotating disk 21 to rotate in the fixed part 3. The user delivers the sewage treatment agent to the fixed part 3, and the treatment agent falls into the storage tank 22 of the rotating disk 21. As the rotating disk 21 rotates, the treatment agent falls into the housing 1 through the delivery pipe 23 and mixes with the sewage.

[0063] S5, the motor 2 drives the rotating column 7 to rotate, thereby driving the stirring rod 9 to stir and accelerate the reaction;

[0064] S6. After the treatment is completed, the valve 6 in the drain pipe 5 is opened, and the purified sewage is discharged from the drain pipe 5.

[0065] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A multi-stage sewage treatment equipment based on sewage treatment agents, characterized by: It includes a shell, the top of the shell is fixedly connected to a motor, the output end of the motor is fixedly provided with a rotating column, the surface of the rotating column is fixedly connected to a plurality of stirring rods, the surface of the rotating column is fixedly connected to a guide block, the surface of the guide block is slidably connected to a filter plate, the inner wall of the shell is fixedly connected to a plurality of sliding rods, the surfaces of two of the sliding rods are slidably connected to moving blocks, the adjacent sides of the two moving blocks are fixedly connected to scrapers, the lower surfaces of the scrapers are tightly fitted between the filter plates, a vibration component is provided between the multiple moving blocks, and a quantitative component is provided on the outside of the shell.

2. The multi-stage sewage treatment equipment based on sewage treatment agent according to claim 1, characterized in that: The vibration component includes a connecting plate, which is fixedly connected to a plurality of moving blocks. The bottom of the connecting plate is rotatably connected to a plurality of rollers. The tops of the plurality of moving blocks are fixedly connected to springs, and the tops of the plurality of springs are fixedly connected to the outer shell.

3. The multi-stage sewage treatment equipment based on sewage treatment agent according to claim 1, characterized in that: A connection disk is fixedly connected to the surface of the rotating column, and a plurality of trapezoidal blocks are fixedly connected to the top of the connection disk.

4. The multi-stage sewage treatment equipment based on sewage treatment agent according to claim 1, characterized in that: The quantitative assembly includes a fixing part, the inner wall of the fixing part is rotatably connected to a rotating disk, a plurality of storage grooves are opened on the surface of the rotating disk, the left end of the storage groove is fixedly connected to a connecting rod, the left end of the connecting rod is fixedly connected to a second bevel gear, the top of the second bevel gear is meshed with the first bevel gear, the first bevel gear is fixedly connected to the rotating column, the bottom of the fixing part is fixedly connected to a delivery pipe, and the bottom end of the delivery pipe is fixedly connected to the outer shell.

5. The multi-stage sewage treatment equipment based on sewage treatment agent according to claim 1, characterized in that: A connecting piece is fixedly connected to the inner wall of the shell. The connecting piece is rotatably connected to the connecting rod, and the connecting piece is rotatably connected to the rotating column.

6. The multi-stage sewage treatment equipment based on sewage treatment agent according to claim 1, characterized in that: A water inlet is provided at the top of the shell, a drain pipe is fixedly connected to the surface of the water inlet, and a valve is provided inside the drain pipe.

7. The multi-stage sewage treatment equipment based on sewage treatment agent according to claim 1, characterized in that: Soft pads are fixedly connected to the surfaces of the plurality of slide bars, and the plurality of soft pads are fixedly connected to the outer shell.

8. The multi-stage sewage treatment equipment based on sewage treatment agent according to claim 1, characterized in that: The scraper and the connecting plate are fixedly connected to opposite sides thereof with baffles, and the plurality of baffles are tightly fitted to the inner wall of the shell.

9. The multi-stage sewage treatment equipment based on sewage treatment agent according to claim 2, characterized in that: An isolation cover is fixedly connected to the bottom of the connecting plate, and an inner wall of the isolation cover is slidably connected to the connecting disk.

10. A treatment method based on a multi-stage sewage treatment equipment using a sewage treatment agent, characterized in that: A multi-stage sewage treatment device based on a sewage treatment agent according to any one of claims 1 to 9, the method comprising the following steps: S1. The user pours sewage into the device from the water inlet at the top of the shell; S2. Start the motor to drive the rotating column to rotate. The guide block on the rotating column drives the filter plate to rotate between the scraper and the connecting plate. The scraper continuously scrapes away debris on the surface of the filter plate to prevent clogging. S3. The rotating column rotates to drive the connecting plate and the trapezoidal block to rotate. The trapezoidal block presses against the roller at the bottom of the connecting plate, so that the connecting plate drives the moving block to slide on the slide rod. The moving block squeezes the spring to make the filter plate rotate and vibrate up and down at the same time, shaking off stubborn debris and unblocking the filter holes. S4. The rotating column drives the first bevel gear to rotate, which in turn drives the rotating disk to rotate within the fixed component through the meshing second bevel gear and the connecting rod. The user delivers the sewage treatment agent to the fixed component, and the treatment agent falls into the storage tank of the rotating disk. As the rotating disk rotates, the treatment agent falls into the outer casing through the delivery pipe and mixes with the sewage. S5, the motor drives the rotating column to rotate, thereby driving the stirring rod to stir and accelerate the reaction; S6. After the treatment is completed, open the valve in the drain pipe and the purified sewage will be discharged from the drain pipe.

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