Water purification treatment device and purification treatment method

Abstract

The invention relates to the technical field of water treatment, and discloses a water purification treatment device and a purification treatment method.The water purification treatment device comprises a treatment box, a discharge port is formed in the lower end of the treatment box, the lower end of the discharge port is connected with a pollution discharge mechanism, and a filtering and stirring mechanism is arranged in the treatment box; the blowdown mechanism comprises a blowdown pipe, a rotating shaft II is rotationally mounted in the blowdown pipe, the outer wall of the rotating shaft II is sleeved with an auger blade, and one end of the rotating shaft II is connected with a motor II outside the blowdown pipe; the filtering and stirring mechanism comprises a filter screen, a rotating shaft I for driving the filter screen to move up and down is rotationally mounted below the filter screen in the treatment box, a plurality of stirring rods are symmetrically arranged on the outer wall of the rotating shaft I, and one end of the rotating shaft I is connected with a motor I outside the treatment box; sediments are thoroughly discharged through the pollution discharge mechanism, the filtering and reaction effects are improved through the filtering and stirring mechanism, the filter screen is cleaned through the sealing plate, the detachable box cover is convenient to maintain, the pollution discharge and filtering problems of traditional equipment are effectively solved, the purification efficiency is improved, and the service life of the equipment is prolonged.

Description

Technical Field

[0001] The present invention relates to the technical field of water treatment, and in particular to a water purification device and a purification method. Background Art

[0002] In the field of water purification, effectively removing impurities from water and promoting the full reaction of chemicals with wastewater are key to achieving efficient purification. Traditional water purification devices often independently configure functional modules such as filtration, stirring, and sedimentation, achieving purification goals through multi-stage treatment. For example, some devices use static filters to intercept impurities and then utilize a separate agitator to mix the chemicals. This separate structure not only results in bloated equipment and cumbersome operation, but also significantly reduces purification efficiency due to poor connection between various links, making it difficult to meet the current urgent demand for efficient purification.

[0003] However, the existing technology still has significant defects. First, when the flocculent matter is discharged after precipitation, it is difficult to completely remove the sediment on the inner wall of the bottom of the treatment box by gravity alone. The residual matter not only seriously affects the subsequent purification effect, but also accelerates equipment corrosion and greatly shortens the service life of the equipment. Second, traditional filter screens mostly adopt a fixed installation method. Impurities continue to accumulate during the filtration process, which can easily clog the filter screen, causing the filtration efficiency to drop sharply with the length of use. Not only does it reduce the purification efficiency, but frequent cleaning of the filter screen also brings many inconveniences to actual use. Summary of the Invention

[0004] In view of the problems in the above-mentioned prior art that the sediment on the inner wall of the bottom of the treatment box is difficult to completely remove and the fixed filter screen is easily clogged, resulting in reduced filtration efficiency and inconvenience in cleaning, which affects the water purification effect and equipment service life, the present invention is proposed.

[0005] To solve the above technical problems, the present invention provides the following technical solutions: a water purification device and a purification method, comprising a treatment box, a box cover detachably mounted on the top of the treatment box, a feed port provided on the top of the box cover, a discharge port provided at the lower end of the treatment box, a valve provided in the discharge port, a sewage discharge mechanism connected to the lower end of the discharge port, and a filtering and stirring mechanism provided in the treatment box;

[0006] The sewage discharge mechanism includes a sewage discharge pipe, and the sewage discharge pipe is fixedly installed at the lower end of the discharge port. A second rotating shaft is rotatably installed in the sewage discharge pipe, and an outer wall of the second rotating shaft is provided with an auger blade. One end of the second rotating shaft is connected to a second motor outside the sewage discharge pipe;

[0007] The filtering and stirring mechanism includes a filter screen, and the filter screen is movably arranged in the upper part of the processing box. A rotating shaft is rotatably installed below the filter screen in the processing box to drive the filter screen to move up and down. The outer wall of the rotating shaft is symmetrically provided with several stirring rods, and one end of the rotating shaft is connected to a motor outside the processing box.

[0008] As a preferred solution, the sewage discharge mechanism also includes a mounting seat, which is fixedly installed between the sewage pipe and the second motor, and the mounting seat is sleeved on the outside of one end of the second rotating shaft, and a cam is sleeved on the outside of the second rotating shaft in the mounting seat, and a second push rod is provided above the cam, and a slider is symmetrically provided on the outer wall of the lower end of the second push rod, and a sliding groove is provided on the outer wall of the cam that is adapted to the combined structure of the second push rod and the slider, and the upper end of the second push rod is connected to a transmission disk outside the mounting seat, and the transmission disk is slidably sleeved on the outside of the discharge port, and a number of knocking members hinged to the outer wall of the processing box are symmetrically provided on the outer wall of the lower end of the processing box above the transmission disk, and the lower end of the knocking member is movably connected to the transmission disk through a connecting assembly, and the upper end of the knocking member is in contact with the outer wall of the processing box.

[0009] As a preferred solution, the connecting assembly includes a limit block, and the limit block is symmetrically arranged on the outer wall of the lower end of the knocking piece. A plurality of rail grooves are symmetrically opened on the top of the transmission plate, and the rail grooves are adapted to the combined structure of the lower end of the knocking piece and the limit block.

[0010] As a preferred solution, the cam is an elliptical structure, the cam is movably connected to the second push rod, and the knocking member includes a spherical knocking head and a cylindrical rod, and the spherical knocking head and the cylindrical rod are an integrally formed structure.

[0011] As a preferred solution, the filtering and stirring mechanism also includes a protective shell, which is symmetrically arranged on the inner wall of the processing box, and the protective shell is sleeved on the outside of the rotating shaft. A driving frame is sleeved on the outside of the rotating shaft in the protective shell, and the driving frame does not contact the rotating shaft. A local gear is sleeved on the outer wall of the rotating shaft, and a number of tooth grooves meshing with the local gears are symmetrically opened on the inner wall of the driving frame. A first push rod is connected to the top of the driving frame, and the upper end of the first push rod is connected to the filter.

[0012] As a preferred solution, a plurality of guide rods are rectangularly distributed on the bottom of the filter screen, and a sliding sleeve on the outer wall of the guide rod is provided with a fixed block, and the fixed block is fixedly connected to the processing box.

[0013] As a preferred solution, the outer wall of the rotating shaft is provided with a plurality of stirring discs, and the plurality of stirring discs and stirring rods are arranged alternately, the side wall of the stirring rod is symmetrically provided with a plurality of through grooves, and arc plates are symmetrically provided in the through grooves.

[0014] As a preferred solution, the treatment box is provided with a drain outlet on one side away from the motor, and a dosing port is provided on one side of the treatment box on the side of the drain outlet. The lower end of the treatment box is funnel-shaped.

[0015] As a preferred solution, the processing box is provided with a sealing plate, and a cleaning port adapted to the sealing plate is opened on one side wall of the processing box, and the cleaning port is located above the filter screen, and connecting plates are provided at symmetrical positions at both ends of the sealing plate, and the connecting plates are connected to the processing box by bolts.

[0016] A purification method for a water purification device:

[0017] Step 1: Pour the sewage to be treated into the treatment box through the feed port, and start the motor 1 at the same time to drive the rotating shaft 1, thereby driving the connected local gear to rotate synchronously, and cooperate with the driving frame meshed with the local gear to drive the driving frame to reciprocate up and down in the local gear, thereby driving the first push rod to move, and then driving the filter to move in the limit guide phase of the guide rod, so as to filter the impurities in the sewage and prevent the filtered impurities from accumulating and clogging the filter;

[0018] Step 2: Add flocculants and other sewage treatment agents into the treatment box through the dosing port. At the same time, the rotating shaft 1 will drive the stirring rod and stirring disk to rotate under the drive of the motor 1, so that the sewage is stirred and the mixing reaction between the sewage and the agent is accelerated. After the reaction is sufficient, the work stops and the sewage is precipitated.

[0019] Step 3: When the sewage is precipitated, the treated water is discharged through the drain port, and the sediment remains in the lower part of the treatment box. Then, the valve in the discharge port is opened to discharge the sewage, and at the same time, the second motor is started to adjust the rotation shaft and the auger blades to rotate, thereby pushing the sediment out;

[0020] Step 4: When the second shaft rotates, it will drive the cam to rotate, and then cooperate with the slide groove and the slider to intermittently drive the second push rod to move up and down, and then drive the transmission plate to move. The rail groove opened on the transmission plate cooperates with the limit block, thereby driving the knocking piece to flip around its hinge, so that the upper end of the knocking piece is away from the processing box. When the transmission plate moves down and resets, the transmission drives the upper end of the knocking piece to reset and knock on the outer wall of the processing box to vibrate, thereby helping to discharge the sediment on the bottom inner wall of the processing box.

[0021] Compared with the prior art, the present invention has at least the following beneficial effects:

[0022] 1. The present invention uses a sewage discharge mechanism to drive the second rotating shaft and the auger blades to rotate when the sediment generated after sewage treatment is discharged from the treatment box, thereby pushing the sediment out and driving the cam to rotate, thereby driving the second push rod to drive the transmission plate to move back and forth up and down, and then through the cooperation of the limit block and the rail groove at the lower end of the knocking piece, the knocking piece is driven to continuously flip around the hinge, thereby continuously knocking the outer wall of the lower end of the treatment box to vibrate, thereby vibrating the sediment on the inner wall of the lower end of the treatment box and discharging it, thereby solving the problem that the sediment on the inner wall of the bottom of the treatment box is difficult to be completely removed by gravity alone, and the residual matter not only seriously affects the subsequent purification effect, but also accelerates the corrosion of the equipment and greatly shortens the service life of the equipment.

[0023] 2. The present invention utilizes a filtering and stirring mechanism, whereby the motor drives the rotating shaft to drive the stirring disk and the stirring rod to rotate to stir the sewage, thereby accelerating the reaction between the sewage and the reagent and making their contact more complete. At the same time, the motor can drive the local gears to rotate, thereby cooperating with the driving frame and the protective shell, so that the driving frame drives the first push rod to drive the filter screen to swing up and down, thereby better filtering the sewage and avoiding the continuous accumulation of impurities during the filtration process, thereby clogging the filter screen and causing a decrease in the filtration effect.

[0024] 3. The present invention facilitates opening the sealing plate and cleaning the filtered material on the filter screen by arranging the sealing plate, the connecting plate and the cleaning port.

[0025] 4. The present invention facilitates the later disassembly of the processing box for cleaning the inside of the processing box or for inspection and maintenance of its internal components by means of a detachable connection between the box cover and the processing box. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0027] Figure 2 It is a partial cross-sectional structural schematic diagram of the present invention;

[0028] Figure 3 This is a schematic diagram of the structure between the rotating shaft 1, the driving frame and the stirring disk of the present invention;

[0029] Figure 4 A schematic diagram of the structure between the cam and the second push rod of the present invention;

[0030] Figure 5 It is a schematic structural diagram of the transmission plate and the striking member of the present invention;

[0031] Figure 6 It is a schematic diagram of the structure between the striking member and the limiting block of the present invention;

[0032] Figure 7 It is a schematic diagram of the structure between the stirring disk and the curved plate of the present invention;

[0033] Figure 8 It is a schematic diagram of the structure between the filter screen and the guide rod of the present invention.

[0034] Description of reference numerals:

[0035] 1. Processing box; 2. Box cover; 3. Feed inlet; 4. Discharge outlet; 5. Drain outlet; 6. Dosing port; 7. Filter; 8. Motor 1; 9. Rotating shaft 1; 10. Protective shell; 11. Local gear; 12. Drive frame; 13. First push rod; 14. Stirring plate; 15. Stirring rod; 16. Arc plate; 17. Guide rod; 18. Fixed block; 19. Drain pipe; 20. Rotating shaft 2; 21. Auger blade; 22. Mounting seat; 23. Motor 2; 24. Cam; 25. Second push rod; 26. Slider; 27. Slide; 28. Drive plate; 29. ​​Knocking piece; 30. Limit block; 31. Rail groove; 32. Sealing plate; 33. Connecting plate. DETAILED DESCRIPTION

[0036] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific embodiments of the present invention are described in detail below with reference to the accompanying drawings.

[0037] Reference Figure 1-Figure 2 and Figure 4-Figure 6 As shown, a water purification device and a purification method are provided, comprising a treatment box 1, a box cover 2 is detachably mounted on the top of the treatment box 1, and a feed port 3 is provided on the top of the box cover 2, a discharge port 4 is provided at the lower end of the treatment box 1, and a valve is provided in the discharge port 4, a sewage discharge mechanism is connected to the lower end of the discharge port 4, and a filtering and stirring mechanism is provided in the treatment box 1; the box cover 2 is detachably connected to the treatment box 1, so that it is convenient to disassemble the treatment box 1 for cleaning or repairing its internal components at a later time;

[0038] The sewage discharge mechanism includes a sewage discharge pipe 19, which is fixedly installed at the lower end of the discharge port 4. A second rotating shaft 20 is rotatably installed in the sewage discharge pipe 19. The outer wall of the second rotating shaft 20 is provided with an auger blade 21. One end of the second rotating shaft 20 is connected to the outside of the sewage discharge pipe 19 with a second motor 23. This structure provides basic power for sewage discharge and is a key component for sediment discharge.

[0039] The filtering and stirring mechanism includes a filter screen 7, and the filter screen 7 is movably arranged in the upper part of the treatment box 1. A rotating shaft 9 for driving the filter screen 7 to move up and down is rotatably installed below the filter screen 7 in the treatment box 1. A plurality of stirring rods 15 are symmetrically provided on the outer wall of the rotating shaft 9, and one end of the rotating shaft 9 is connected to a motor 8 outside the treatment box 1; it provides power for stirring the sewage and driving the filter screen 7 to move, thereby realizing the linkage between stirring and filtration.

[0040] In this example, the sewage discharge mechanism also includes a mounting seat 22, which is fixedly installed between the sewage pipe 19 and the motor 23, and the mounting seat 22 is sleeved on the outside of one end of the rotating shaft 20. A cam 24 is sleeved on the outside of the rotating shaft 20 and inside the mounting seat 22. A second push rod 25 is provided above the cam 24, and a slider 26 is symmetrically provided on the outer wall of the lower end of the second push rod 25. A sliding groove 27 is provided on the outer wall of the cam 24 to adapt to the combined structure of the second push rod 25 and the slider 26. The upper end of the second push rod 25 is connected to a transmission disk 28 outside the mounting seat 22, and the transmission disk 28 is slidably sleeved on On the outside of the discharge port 4, a number of knocking members 29 hinged to the outer wall of the processing box 1 are symmetrically provided on the outer wall of the lower end of the processing box 1 above the transmission disk 28. The lower end of the knocking member 29 is movably connected to the transmission disk 28 through a connecting assembly, and the upper end of the knocking member 29 is in contact with the outer wall of the processing box 1; through the linkage of the cam 24, the second push rod 25, the transmission disk 28 and other components, the knocking member 29 can be driven to continuously knock on the outer wall of the lower end of the processing box 1, and the sediment on the inner wall of the lower end of the processing box 1 can be shaken off and discharged, thereby solving the problem that the sediment is difficult to be completely removed, improving the purification effect and extending the service life of the equipment.

[0041] In this example, the connecting assembly includes a limit block 30, and the limit block 30 is symmetrically arranged on the outer wall of the lower end of the knocking member 29. A number of rail grooves 31 are symmetrically opened on the top of the transmission disk 28, and the rail grooves 31 are adapted to the combined structure of the lower end of the knocking member 29 and the limit block 30; through the cooperation between the limit block 30 and the rail groove 31, the knocking member 29 is guaranteed to flip and knock stably, ensuring the effect of shaking off the sediment.

[0042] In this example, the cam 24 is an elliptical structure, and the cam 24 is movably connected to the second push rod 25. The knocking member 29 includes a spherical knocking head and a cylindrical rod, and the spherical knocking head and the cylindrical rod are an integrally molded structure; the elliptical cam 24 can stably drive the second push rod 25 to move, and the spherical knocking head can effectively increase the knocking force, enhance the vibration effect, and be more conducive to the discharge of sediment.

[0043] like Figure 1-Figure 3 and Figure 7-Figure 8 As shown, the filtering and stirring mechanism also includes a protective shell 10, which is symmetrically arranged on the inner wall of the processing box 1, and the protective shell 10 is sleeved on the outside of the rotating shaft 9. A driving frame 12 is sleeved on the outside of the rotating shaft 9 in the protective shell 10, and the driving frame 12 does not contact the rotating shaft 9. A local gear 11 is sleeved on the outer wall of the rotating shaft 9, and a plurality of tooth grooves meshing with the local gear 11 are symmetrically opened on the inner wall of the driving frame 12. A first push rod 13 is connected to the top of the driving frame 12, and the upper end of the first push rod 13 is connected to the filter screen 7; through the cooperation of the local gear 11, the driving frame 12 and other components, the filter screen 7 can be shaken up and down, effectively avoiding the accumulation of impurities and clogging the filter screen 7 during the filtration process, thereby improving the filtration efficiency.

[0044] In this example, a plurality of guide rods 17 are provided in a rectangular distribution at the bottom of the filter screen 7, and a fixed block 18 is provided on the sliding sleeve of the outer wall of the guide rod 17, and the fixed block 18 is fixedly connected to the processing box 1; the guide rod 17 and the fixed block 18 cooperate to ensure the stability of the up and down movement of the filter screen 7 and ensure the filtering effect.

[0045] In this example, the outer wall of the rotating shaft 9 is provided with a plurality of stirring discs 14, and the plurality of stirring discs 14 and stirring rods 15 are alternately arranged, and the side wall of the stirring rod 15 is symmetrically provided with a plurality of through grooves, and the through grooves are symmetrically provided with arc plates 16; the stirring discs 14 and stirring rods 15 are alternately arranged, and the arc plates 16 are used to accelerate the reaction between the sewage and the reagent, make their contact more complete, and improve the purification effect.

[0046] In this example, a drain outlet 5 is provided on the side of the treatment box 1 away from the motor 8, and a dosing port 6 is provided on one side of the treatment box 1 on the side of the drain outlet 5, and the lower end of the treatment box 1 is funnel-shaped; the lower end of the treatment box 1 is funnel-shaped, which is convenient for the sediment to gather toward the discharge port 4, which is beneficial for the sewage discharge mechanism to discharge the sediment; the setting of the drain outlet 5 and the dosing port 6 facilitates the discharge of purified water and the addition of chemicals, thereby optimizing the purification process.

[0047] In this example, the processing box 1 is provided with a sealing plate 32, and a cleaning port adapted to the sealing plate 32 is opened on one side wall of the processing box 1, and the cleaning port is located above the filter 7. Connecting plates 33 are provided at symmetrical positions at both ends of the sealing plate 32, and the connecting plates 33 are connected to the processing box 1 by bolts; it is convenient to open the sealing plate 32 to clean the filtered material on the filter 7, thereby ensuring that the filter 7 continues to work efficiently.

[0048] A purification method for a water purification device:

[0049] Step 1: Pour the sewage to be treated into the treatment box 1 through the feed port 3, and at the same time start the motor 18 to drive the rotating shaft 19, thereby driving the connected local gear 11 to rotate synchronously, and cooperate with the driving frame 12 meshing with the local gear 11, so that it can drive the driving frame 12 to reciprocate up and down in the local gear 11, thereby driving the first push rod 13 to move, and then driving the filter screen 7 to move under the limit guidance of the guide rod 17, so as to filter the impurities in the sewage and prevent the filtered impurities from accumulating and clogging the filter screen 7;

[0050] Step 2: Add sewage treatment agents such as flocculants into the treatment box 1 through the dosing port 6. At the same time, the rotating shaft 9 will drive the stirring rod 15 and the stirring disk 14 to rotate under the drive of the motor 8, so that they stir the sewage and accelerate the mixing reaction between it and the agent. After the reaction is sufficient, the work stops and the sewage is precipitated.

[0051] Step 3: When the sewage is precipitated, the treated and purified water is discharged through the drain port 5, and the sediment remains in the lower part of the treatment box 1. Then, the valve in the discharge port 4 is opened to discharge the sewage, and at the same time, the second motor 23 is started to adjust the rotation shaft 20 and the auger blade 21 to rotate, thereby pushing the sediment out;

[0052] Step 4: When the second shaft 20 rotates, it will drive the cam 24 to rotate, and then cooperate with the slide groove 27 and the slider 26 to intermittently drive the second push rod 25 to move up and down, and then drive the transmission disk 28 to move. The rail groove 31 opened on the transmission disk 28 cooperates with the limit block 30, thereby driving the knocking member 29 to flip around its hinge, so that the upper end of the knocking member 29 is away from the processing box 1. When the transmission disk 28 moves down and resets, the transmission drives the upper end of the knocking member 29 to reset and knock on the outer wall of the processing box 1 to vibrate, thereby helping to discharge the sediment on the bottom inner wall of the processing box 1.

[0053] During use, sewage filtration: sewage is poured into the treatment box 1 from the feed port 3, the motor 18 is started, and the rotating shaft 19 is driven to rotate, thereby driving the local gear 11 to rotate synchronously. The local gear 11 is engaged with the driving frame 12, so that the driving frame 12 reciprocates up and down in the local gear 11, driving the first push rod 13 to move, thereby causing the filter screen 7 to move up and down under the limit guidance of the guide rod 17, filtering impurities in the sewage to prevent impurities from accumulating and clogging the filter screen 7. The dynamic filtration of the filter screen 7 is achieved through the linkage structure, thereby improving the filtration efficiency;

[0054] Chemical mixing and sedimentation: Flocculants and other chemicals are added to the treatment box 1 through the dosing port 6. At the same time, the rotating shaft 9, driven by the motor 8, drives the stirring rod 15 and the stirring disk 14 to rotate, stirring the sewage, accelerating the mixing reaction between the sewage and the chemicals. After the reaction is sufficient, the operation is stopped and the sewage is allowed to be precipitated. The stirring structure promotes full contact between the chemicals and the sewage to ensure the purification effect;

[0055] Sediment discharge: After the sewage is settled, the purified water is discharged through the drain port 5, and the sediment remains in the lower part of the treatment box 1. The valve in the discharge port 4 is opened, and the second motor 23 is started to drive the second shaft 20 and the auger blade 21 to rotate and push the sediment out. The auger blade 21 realizes the efficient transportation and discharge of the sediment;

[0056] Auxiliary sewage discharge: When the second rotating shaft 20 rotates, the cam 24 is driven to rotate. The cam 24 cooperates with the slide groove 27 and the slider 26 to intermittently drive the second push rod 25 to move up and down, thereby driving the transmission disk 28 to move. The rail groove 31 on the transmission disk 28 cooperates with the limit block 30 to drive the knocking member 29 to flip around the hinge. When the transmission disk 28 moves down and resets, the upper end of the knocking member 29 resets and knocks the outer wall of the treatment box 1, and the sediment on the bottom inner wall of the auxiliary treatment box 1 is discharged through vibration. The knocking structure solves the problem of residual sediment and improves the thoroughness of sewage discharge.

[0057] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention may be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should all be included in the scope of the claims of the present invention.

Claims

1. A water purification device and a purification method, comprising a treatment box (1), characterized in that: The top of the treatment box (1) is detachably mounted with a box cover (2), and the top of the box cover (2) is provided with a feed port (3); the lower end of the treatment box (1) is provided with a discharge port (4), and a valve is provided in the discharge port (4); the lower end of the discharge port (4) is connected to a sewage discharge mechanism, and a filtering and stirring mechanism is provided in the treatment box (1); The sewage discharge mechanism includes a sewage discharge pipe (19), and the sewage discharge pipe (19) is fixedly installed at the lower end of the discharge port (4). A second rotating shaft (20) is rotatably installed in the sewage discharge pipe (19), and an outer wall of the second rotating shaft (20) is provided with an auger blade (21). One end of the second rotating shaft (20) is connected to a second motor (23) outside the sewage discharge pipe (19); The filtering and stirring mechanism includes a filter screen (7), and the filter screen (7) is movably arranged in the upper part of the processing box (1). A rotating shaft (9) for driving the filter screen (7) to move up and down is rotatably installed below the filter screen (7) in the processing box (1). A plurality of stirring rods (15) are symmetrically arranged on the outer wall of the rotating shaft (9), and one end of the rotating shaft (9) is connected to a motor (8) outside the processing box (1).

2. A water purification device and purification method according to claim 1, characterized in that: The sewage discharge mechanism further comprises a mounting seat (22), the mounting seat (22) being fixedly mounted between the sewage discharge pipe (19) and the second motor (23), and the mounting seat (22) being sleeved on the outside of one end of the second rotating shaft (20), a cam (24) being sleeved inside the mounting seat (22) on the outside of the second rotating shaft (20), a second push rod (25) being provided above the cam (24), a slider (26) being symmetrically provided on the outer wall of the lower end of the second push rod (25), and a slider (26) being provided on the outer wall of the cam (24) in correspondence with the second push rod (25) and the slider. (26) A slide groove (27) adapted for the combined structure, the upper end of the second push rod (25) is connected to a transmission disk (28) outside the mounting seat (22), and the transmission disk (28) is slidably sleeved on the outside of the discharge port (4), and a plurality of knocking members (29) hinged to the outer wall of the processing box (1) are symmetrically provided on the outer wall of the lower end of the processing box (1) above the transmission disk (28), the lower end of the knocking member (29) is movably connected to the transmission disk (28) through a connecting assembly, and the upper end of the knocking member (29) is in contact with the outer wall of the processing box (1).

3. A water purification device and purification method according to claim 2, characterized in that: The connecting assembly includes a limit block (30), and the limit block (30) is symmetrically arranged on the outer wall of the lower end of the knocking member (29). The top of the transmission plate (28) is symmetrically provided with a plurality of rail grooves (31), and the rail grooves (31) are adapted to the combined structure of the lower end of the knocking member (29) and the limit block (30).

4. A water purification device and purification method according to claim 3, characterized in that: The cam (24) is an elliptical structure, and the cam (24) is movably connected to the second push rod (25). The knocking member (29) includes a spherical knocking head and a columnar rod, and the spherical knocking head and the columnar rod are an integrally formed structure.

5. A water purification device and purification method according to claim 2, characterized in that: The filtering and stirring mechanism further comprises a protective shell (10), the protective shell (10) being symmetrically arranged on the inner wall of the processing box (1), and the protective shell (10) being sleeved on the outside of the rotating shaft (9), a driving frame (12) being sleeved on the outside of the rotating shaft (9) in the protective shell (10), and the driving frame (12) not being in contact with the rotating shaft (9), a local gear (11) being sleeved on the outer wall of the rotating shaft (9), a plurality of tooth grooves meshing with the local gear (11) being symmetrically opened on the inner wall of the driving frame (12), a first push rod (13) being connected to the top of the driving frame (12), and the upper end of the first push rod (13) being connected to the filter (7).

6. A water purification device and purification method according to claim 5, characterized in that: A plurality of guide rods (17) are arranged in a rectangular distribution at the bottom of the filter screen (7), and a fixed block (18) is provided on the sliding sleeve of the outer wall of the guide rod (17), and the fixed block (18) is fixedly connected to the processing box (1).

7. A water purification device and purification method according to claim 6, characterized in that: The outer wall of the rotating shaft (9) is provided with a plurality of stirring discs (14), and the plurality of stirring discs (14) and stirring rods (15) are arranged alternately. The side wall of the stirring rod (15) is symmetrically provided with a plurality of through grooves, and arc plates (16) are symmetrically provided in the through grooves.

8. A water purification device and purification method according to claim 7, characterized in that: The treatment box (1) is provided with a drainage port (5) on one side away from the motor (8), and a drug addition port (6) is provided on one side of the treatment box (1) on the side of the drainage port (5). The lower end of the treatment box (1) is funnel-shaped.

9. A water purification device and purification method according to claim 8, characterized in that: The processing box (1) is provided with a sealing plate (32), a cleaning port adapted to the sealing plate (32) is opened on one side wall of the processing box (1), and the cleaning port is located above the filter (7), and connecting plates (33) are provided at symmetrical positions at both ends of the sealing plate (32), and the connecting plates (33) are connected to the processing box (1) by bolts.

10. A water purification method according to any one of claims 1 to 9, characterized in that: Step 1: Pour the sewage to be treated into the treatment box (1) through the feed port (3), and start the motor (8) at the same time to drive the rotating shaft (9), thereby driving the connected local gear (11) to rotate synchronously, and cooperate with the driving frame (12) meshed with the local gear (11) to drive the driving frame (12) to move up and down in the local gear (11), thereby driving the first push rod (13) to move, and then driving the filter (7) to move under the limit guide of the guide rod (17), thereby filtering impurities in the sewage and preventing the filtered impurities from accumulating and clogging the filter (7); Step 2: Add sewage treatment agents such as flocculants into the treatment box (1) through the dosing port (6), and at the same time, the rotating shaft (9) will drive the stirring rod (15) and the stirring disk (14) to rotate under the drive of the motor (8), so that the sewage is stirred and the mixing reaction between the sewage and the agent is accelerated. After the reaction is sufficient, the operation is stopped and the sewage is precipitated; Step 3: When the sewage is precipitated, the treated and purified water is discharged through the drain port (5), and the sediment is left in the lower part of the treatment box (1). Then, the valve in the discharge port (4) is opened to discharge the sewage, and at the same time, the second motor (23) is started to adjust the rotation shaft (20) and the auger blade (21) to rotate, thereby pushing the sediment out; Step 4: When the second rotating shaft (20) rotates, the cam (24) is driven to rotate, and then cooperates with the slide groove (27) and the slider (26), thereby intermittently driving the second push rod (25) to move up and down, and then driving the transmission plate (28) to move, and the rail groove (31) provided on the transmission plate (28) cooperates with the limit block (30), thereby driving the knocking member (29) to flip around its hinge, so that the upper end of the knocking member (29) is away from the processing box (1). When the transmission plate (28) moves down and resets, the upper end of the transmission drive knocking member (29) is reset and knocks the outer wall of the processing box (1) to vibrate, thereby assisting in discharging the sediment on the bottom inner wall of the processing box (1).

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