CN117732152A - Sewage treatment equipment for sewage treatment and application method thereof - Google Patents

Abstract

The invention discloses sewage treatment equipment for sewage treatment and a use method thereof, and belongs to the technical field of sewage treatment. According to the invention, the height of the rotating motor can be changed through the movement of the piston rod of the electric telescopic rod, the rotating motor is started, the output shaft of the rotating motor rotates to enable the rotating shaft to rotate, the rotating disc rotates to enable the swinging strip to rotate, the bottom sludge of the sewage tank can be rotationally cleaned through the rotation of the swinging strip, the sludge and the bottom of the sewage tank can be prevented from being adhered, and the sludge can be cleaned together with the suction pump and the shovel plate, so that the full effect of sludge removal can be realized.

Description

Sewage treatment equipment for sewage treatment and application method thereof

Technical Field

The invention belongs to the technical field of sewage treatment, and particularly relates to sewage treatment equipment for sewage treatment and a using method thereof.

Background

The sewage treatment is a process of purifying sewage to achieve the water quality requirement of being discharged into a certain water body or reused, is widely applied to various fields of building, agriculture, traffic, energy, petrochemical industry, environmental protection, urban landscapes, medical treatment, catering and the like, and also increasingly enters the daily life of common people, a sedimentation tank is used in the sewage treatment, and mainly carries out physical sedimentation of large particles, accumulation of some suspended matters, organic matter insolation and oxidation reaction and the like on the sewage, so that sewage treatment equipment for sewage treatment and a using method thereof are needed for subsequent purification treatment preparation.

At present, chinese patent with publication number CN217988456U discloses a sewage treatment device for rural sewage treatment, which comprises a sedimentation tank, the equal fixedly connected with hack lever in left and right sides of sedimentation tank, two fixedly connected with roof between the hack lever, be provided with between roof and the sedimentation tank and scrape mud device, scrape mud device and include step motor, fixed mounting has the lead screw on step motor's the output shaft, the outside threaded connection of lead screw has the guide block, the upside fixedly connected with first slider of guide block, the downside fixed mounting of guide block has the cylinder, fixedly connected with mounting panel on the output shaft of cylinder, the downside fixed mounting of mounting panel has the fixed plate, fixed mounting has electric putter on the surface of fixed plate, the last second slider that articulates of electric putter's the output, the outside of second slider is provided with the scraper blade. This a sewage treatment device for rural sewage treatment has improved cleaning efficiency, has reduced workman's amount of labour, has made things convenient for the clearance.

However, when the device is used, the bottom of the sedimentation tank is scraped only by the scraper, so that the sludge is insufficiently treated, and a large amount of sludge still remains in the sedimentation tank.

Disclosure of Invention

The invention aims to solve the defects in the prior art and provides sewage treatment equipment for sewage treatment and a using method thereof. The advantages are that: can make the sludge remove fully.

In order to achieve the above purpose, the present invention adopts the following technical scheme:

the utility model provides a sewage treatment equipment and application method for sewage treatment, includes the effluent water sump, fixedly connected with same connecting rod between the both ends inner wall of effluent water sump, the bottom fixedly connected with electric telescopic handle of connecting rod, electric telescopic handle's piston rod bottom fixedly connected with rotation motor, rotation motor's output shaft fixedly connected with axis of rotation, the bottom fixedly connected with rolling disc of axis of rotation, the bottom fixedly connected with of rolling disc a plurality of evenly distributed's swinging arms, be provided with clean mechanism in the effluent water sump, the bottom of connecting rod is provided with spraying mechanism.

The cleaning mechanism comprises a sliding rail fixedly connected with the inner wall of one end of the sewage pool, a sliding block is slidably connected with the inner wall of the sliding rail, an electric hydraulic rod is fixedly connected with one end of the sliding block, and a shovel plate is fixedly connected with the bottom of a piston rod of the electric hydraulic rod.

The sewage pool is characterized in that a rotating motor is fixedly connected to the outer wall of one side of the sewage pool, a threaded rod is fixedly connected to an output shaft of the rotating motor, and the threaded rod is connected with the sliding block through threads.

The spraying mechanism comprises a water tank fixedly connected with the bottom of the connecting rod, one side of the rotating motor is fixedly connected with a pumping pump, the pumping end of the pumping pump is fixedly connected with the inner wall of the bottom of the water tank through a water delivery pipe, and the water discharge end of the pumping pump is fixedly connected with a spray head.

The spray head is of a trapezoid structure, and the top surface area of the spray head is smaller than the bottom surface area.

The sludge discharge device is characterized in that a sludge discharge port can be formed in one side of the inner wall of the bottom of the sewage tank, a clamping groove extending to the sludge discharge port is formed in the outer wall of one end of the sewage tank, and a clamping plate is connected to the inner wall of the clamping groove in a sliding mode.

The bottom of the sewage pool is fixedly connected with a collecting box communicated with the sludge discharge port, and a movable filter screen plate is arranged in the collecting box.

The collecting box is characterized in that connecting grooves are formed in the inner walls of the two sides of the collecting box, connecting blocks are connected to the inner walls of the connecting grooves in a sliding mode, and the connecting blocks are fixedly connected with the filter screen plates.

The filter screen plate is obliquely arranged.

The outer wall of one side of the collecting box is fixedly connected with a connecting motor, an output shaft of the connecting motor is fixedly connected with a connecting shaft, cams are fixedly connected to two sides of the top of the surface of the connecting shaft, and the cams are contacted with a fixing frame of the filter screen plate.

A method of use for wastewater treatment comprising the steps of:

the first step: when cleaning is carried out, the clamping plate is pulled out through the inner wall of the clamping groove, then the electric telescopic rod is started, and the piston rod of the electric telescopic rod moves to enable the rotary motor to move downwards;

and a second step of: starting a rotating motor, wherein the rotation of an output shaft of the rotating motor can enable a rotating shaft to rotate, the rotation of the rotating shaft can enable a rotating disc to rotate, the rotation of the rotating disc can enable a swinging strip to rotate, and the rotation of the swinging strip can clear sludge at the bottom of a sewage tank in a rotating manner;

and a third step of: the pump is started, the pump can pump water in the water tank to the spray head for spraying, and the water flushing type cleaning can be carried out on the loosened sludge;

fourth step: the electric hydraulic rod is started, the piston rod of the electric hydraulic rod moves to enable the shovel plate to move downwards, the rotating motor is started, the output shaft of the rotating motor rotates to enable the threaded rod to rotate, the threaded rod rotates to apply force to the sliding block, the sliding block can slide in the inner wall of the sliding rail under the action of force, at the moment, the shovel plate can shovel a mixture of sludge and water, and the shovel plate can move to a sludge discharge port;

fifth step: starting a connecting motor, and enabling an output shaft of the connecting motor to rotate so that a connecting shaft can rotate, and enabling a cam to rotate by rotating so that a filter screen plate can slide up and down, thereby avoiding the blocking of the filter screen plate;

sixth step: the structure is reset, the clamping plate is inserted into the clamping groove, and sewage is discharged again.

The beneficial effects of the invention are as follows:

1. this a sewage treatment equipment for sewage treatment and application method thereof, the piston rod through electric telescopic handle removes the high change that can make the rotation motor, start the rotation motor, the output shaft rotation of rotation motor can make the axis of rotation rotate, the rotation of axis of rotation can make the rolling disc rotate, the rotation of rolling disc can make the swinging strip rotate, the rotation of swinging strip can carry out the rotation to the bottom silt of effluent water sump and clear away, can avoid silt and the bottom of effluent water sump to take place the adhesion, start the pump, the pump can take out the water in the water tank to shower nozzle department blowout, can carry out the water-washed formula clearance to clear up not hard up silt, start electric hydraulic stem, the piston rod of electric hydraulic stem removes and can make the shovel board move down, start rotating electrical machine's output shaft rotation can make the rotation, the rotation of threaded rod can apply force the slider, the slider atress can slide in the inner wall of slide rail, this moment, can make the shovel board shovel the mixture of silt and water, can move to the bin department, pull out the cardboard through the inner wall of draw out, can fall to the collection box, can be followed by the filter motor, can be connected to the filter screen, can be connected, can make the filter screen rotate, can be connected, can realize the realization, and can make the filter screen is rotated, can be connected, and can realize the realization is rotated, and can be rotated, thereby, can realize the filter screen is rotated, can be connected, and can be used to the filter screen, can be realized, and can be realized.

2. This a sewage treatment equipment for sewage treatment and application method thereof, the output shaft through the rotating electrical machines rotates and can make the threaded rod rotate, and the rotation of threaded rod can be to the slider application of force, and the slider receives the inner wall of slide rail spacing, and the slider can take place to slide in the inner wall of slide rail this moment, can make the shovel board present the side-to-side motion, can strike off silt, after using, starts electronic hydraulic stem, and the piston rod of electronic hydraulic stem removes and can makes the shovel board rise, can avoid the both sides opening of effluent water sump to be unobstructed.

3. This a sewage treatment equipment for sewage treatment and application method thereof can clear up when fully water towards the bottom of effluent water sump through being trapezium structure's shower nozzle, starts the pump, and the end of drawing water of pump can be with water drainage to shower nozzle department blowout, can wash the clearance with not hard up silt.

4. This a sewage treatment device for sewage treatment and application method thereof can be convenient for silt through being the filter screen plate that the slope set up and slide to one side of filter screen plate through the surface of filter screen plate, can guarantee the performance of filter screen plate, and the rotation of cam can be applied force to the fixed frame of filter screen plate, and the filter screen plate cooperation connecting block is the slip in the inner wall of spread groove this moment, can make the filter screen plate present the oscilaltion, can further guarantee the performance of filter screen plate.

Drawings

Fig. 1 is a schematic perspective view of a sewage treatment apparatus for sewage treatment and a method for using the same according to the present invention;

FIG. 2 is a schematic view showing the structure of a rotating disc of a sewage treatment apparatus for sewage treatment and a method of using the same according to the present invention;

FIG. 3 is an enlarged schematic view of FIG. 2A;

FIG. 4 is an enlarged schematic view of the structure shown at B in FIG. 2;

FIG. 5 is an enlarged schematic view of FIG. 2 at C;

FIG. 6 is a schematic view showing the structure of a sewage treatment apparatus for sewage treatment and a method of using the same according to the present invention;

fig. 7 is a schematic view showing a structure of a sewage treatment apparatus for sewage treatment and a method of using the same according to the present invention.

In the figure: 1. a sewage pool; 2. a connecting rod; 3. an electric telescopic rod; 4. a rotating motor; 5. a rotating shaft; 6. a rotating disc; 7. a swinging bar; 8. a slide rail; 9. a slide block; 10. an electric hydraulic rod; 11. a shovel plate; 12. a rotating electric machine; 13. a threaded rod; 14. a water tank; 15. pumping; 16. a spray head; 17. a mud discharging port; 18. a clamping groove; 19. a clamping plate; 20. a collection box; 21. a filter screen plate; 22. a connecting groove; 23. a connecting block; 24. a connecting shaft; 25. a cam.

Detailed Description

The technical scheme of the patent is further described in detail below with reference to the specific embodiments.

Embodiments of the present patent are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the patent and simplify the description, and do not indicate or imply that the devices or elements being referred to must have a particular orientation, be configured and operated in a particular orientation, and are therefore not to be construed as limiting the patent.

In the description of this patent, it should be noted that, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "disposed" are to be construed broadly, and may be fixedly connected, disposed, detachably connected, disposed, or integrally connected, disposed, for example. The specific meaning of the terms in this patent will be understood by those of ordinary skill in the art as the case may be.

Referring to fig. 1-7, a sewage treatment device for sewage treatment and a use method thereof, the sewage treatment device comprises a sewage tank 1, wherein the same connecting rod 2 is fixedly connected between inner walls at two ends of the sewage tank 1, the bottom of the connecting rod 2 is fixedly connected with an electric telescopic rod 3, the bottom of a piston rod of the electric telescopic rod 3 is fixedly connected with a rotating motor 4, an output shaft of the rotating motor 4 is fixedly connected with a rotating shaft 5, the bottom of the rotating shaft 5 is fixedly connected with a rotating disc 6, the bottom of the rotating disc 6 is fixedly connected with a plurality of evenly distributed swinging strips 7, a cleaning mechanism is arranged in the sewage tank 1, and a spraying mechanism is arranged at the bottom of the connecting rod 2.

The cleaning mechanism comprises a sliding rail 8 fixedly connected with the inner wall of one end of the sewage tank 1, the inner wall of the sliding rail 8 is slidably connected with a sliding block 9, one end of the sliding block 9 is fixedly connected with an electric hydraulic rod 10, the bottom of a piston rod of the electric hydraulic rod 10 is fixedly connected with a shovel plate 11, one side outer wall of the sewage tank 1 is fixedly connected with a rotating motor 12, an output shaft of the rotating motor 12 is fixedly connected with a threaded rod 13, the threaded rod 13 and the sliding block 9 are in threaded connection, the threaded rod 13 can be rotated through the rotation of the output shaft of the rotating motor 12, the sliding block 9 can apply force to the sliding block 9, the sliding block 9 is limited by the inner wall of the sliding rail 8, at the moment, the sliding block 9 can slide in the inner wall of the sliding rail 8, the shovel plate 11 can move left and right, sludge can be scraped, after the use is finished, the electric hydraulic rod 10 is started, the piston rod of the electric hydraulic rod 10 can move to enable the shovel plate 11 to rise, and two side openings of the sewage tank 1 can be avoided.

The spraying mechanism comprises a water tank 14 fixedly connected with the bottom of the connecting rod 2, one side of the rotating motor 4 is fixedly connected with a pump 15, the pumping end of the pump 15 is fixedly connected with the inner wall of the bottom of the water tank 14 through a water pipe, the water draining end of the pump 15 is fixedly connected with a spray head 16, the spray head 16 is of a trapezoid structure, the top surface area of the spray head 16 is smaller than the bottom surface area, the bottom of the sewage tank 1 can be cleaned when being fully flushed through the spray head 16 of the trapezoid structure, the pump 15 is started, the pumping end of the pump 15 can discharge water to the spray head 16 for spraying, and loose silt can be flushed and cleaned.

The bottom inner wall one side of effluent water sump 1 is can mud mouth 17, and the draw-in groove 18 that extends to mud mouth 17 is seted up to the one end outer wall of effluent water sump 1, and the inner wall sliding connection of draw-in groove 18 has cardboard 19, can slide in the inner wall of draw-in groove 18 through cardboard 19, can have water to pass through in effluent water sump 1, slides cardboard 19 to in the draw-in groove 18, when carrying out the silt clearance, with cardboard 19 take out through the inner wall of draw-in groove 18 can.

The bottom fixedly connected with of effluent water sump 1 is with collection box 20 that is linked together of mud mouth 17, be provided with mobilizable filter screen plate 21 in the collection box 20, spread groove 22 has all been seted up to the both sides inner wall of collection box 20, spread groove 22's inner wall sliding connection has connecting block 23, fixed connection between connecting block 23 and the filter screen plate 21, filter screen plate 21 is the slope setting, can be convenient for silt through the surface slip to one side of filter screen plate 21 that is the slope setting of filter screen plate 21, can guarantee the performance of filter screen plate 21, the fixed frame application of filter screen plate 21 can be to the rotation of cam 25, the slip of filter screen plate 21 cooperation connecting block 23 in spread groove 22's inner wall this moment can make filter screen plate 21 appear the oscilaltion, can further guarantee the performance of filter screen plate 21.

The outer wall of one side of the collecting box 20 is fixedly connected with a connecting motor, an output shaft of the connecting motor is fixedly connected with a connecting shaft 24, cams 25 are fixedly connected to two sides of the top of the surface of the connecting shaft 24, the cams 25 are contacted with the fixed frame of the filter screen plate 21, the connecting shaft 24 can be rotated through rotation of the output shaft of the connecting motor, rotation of the connecting shaft 24 can enable the cams 25 to rotate, and the rotation of the cams 25 can impact the bottom of the fixed frame of the filter screen plate 21.

A method of use for wastewater treatment comprising the steps of:

the first step: when cleaning is carried out, the clamping plate 19 is pulled out through the inner wall of the clamping groove 18, then the electric telescopic rod 3 is started, and the piston rod of the electric telescopic rod 3 moves to enable the rotary motor 4 to move downwards;

and a second step of: starting the rotating motor 4, wherein the rotation of an output shaft of the rotating motor 4 can enable the rotating shaft 5 to rotate, the rotation of the rotating shaft 5 can enable the rotating disc 6 to rotate, the rotation of the rotating disc 6 can enable the swinging strip 7 to rotate, and the rotation of the swinging strip 7 can rotationally clear sludge at the bottom of the sewage tank 1;

and a third step of: the pump 15 is started, the pump 15 can pump water in the water tank 14 to the spray head 16 for spraying, and the loosened sludge can be cleaned by water flushing;

fourth step: the electric hydraulic rod 10 is started, a piston rod of the electric hydraulic rod 10 moves to enable the shovel plate 11 to move downwards, the rotary motor 12 is started, an output shaft of the rotary motor 12 rotates to enable the threaded rod 13 to rotate, the threaded rod 13 rotates to apply force to the sliding block 9, the sliding block 9 can slide in the inner wall of the sliding rail 8 under the force, at the moment, the shovel plate 11 can shovel a mixture of sludge and water, and the mixture can move to the sludge discharge port 17;

fifth step: starting the connecting motor, and rotating an output shaft of the connecting motor to enable the connecting shaft 24 to rotate, and rotating the connecting shaft 24 to enable the cam 25 to rotate, so that the filter screen plate 21 can slide up and down, and the filter screen plate 21 can be prevented from being blocked;

sixth step: the structure is reset, the clamping plate 19 is inserted into the clamping groove 18, and the sewage pool is subjected to sewage disposal again.

Working principle: during the use, start electric telescopic handle 3, electric telescopic handle 3's piston rod removes the high change that can make rotary motor 4, start rotary motor 4, rotary motor 4's output shaft rotates and can make axis of rotation 5 rotate, rotary motor's rotation can make rolling disc 6 rotate, rolling disc 6's rotation can make swinging arms 7 rotate, swinging arms 7's rotation can carry out the rotation to the bottom silt of effluent water sump 1 and clear away, can avoid silt and the bottom of effluent water sump 1 to take place the adhesion, start pump 15, pump 15 can take out to shower nozzle 16 department blowout to the water in the water tank 14, can carry out the water-washed formula clearance to clear up not hard up silt, start electric hydraulic stem 10, electric hydraulic stem 10's piston rod removes and can make shovel board 11 move down, start rotary motor 12, rotary motor's output shaft rotates and can make threaded rod 13 rotate, slider 9 application of force to slider 9 atress can slide in slide rail 8's inner wall, at this moment, can make shovel board 11 carry out the shovel to the mixture of silt and water, can move to 17 departments of mud mouth, take place the cardboard 19 through draw out the inner wall 18, can make the filter screen plate 21 to rotate through the connection, can be connected to the filter screen plate 21, can be rotated, can realize the filter screen plate 25, can be rotated, can be connected through the filter screen plate is rotated, the realization, the filter screen plate is rotated, can be realized, the filter screen plate is rotated, the filter screen plate is connected through the filter screen plate is rotated, can be removed, can be realized, the filter screen 21 is rotated and can be connected through the filter screen 21, can be changed, can be realized, and can be had a 21, and can be rotated, and can be used 21, and can be 21.

The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.

Claims (10)

1. The utility model provides a sewage treatment equipment for sewage treatment and application method thereof, includes effluent water sump (1), its characterized in that, fixedly connected with is the same connecting rod (2) between the both ends inner wall of effluent water sump (1), the bottom fixedly connected with electric telescopic handle (3) of connecting rod (2), the piston rod bottom fixedly connected with rotation motor (4) of electric telescopic handle (3), the output shaft fixedly connected with axis of rotation (5) of rotation motor (4), the bottom fixedly connected with rolling disc (6) of axis of rotation (5), the bottom fixedly connected with of rolling disc (6) a plurality of evenly distributed's swinging arms (7), be provided with clean mechanism in effluent water sump (1), the bottom of connecting rod (2) is provided with spraying mechanism.

2. The sewage treatment device for sewage treatment and the use method thereof according to claim 1, wherein the cleaning mechanism comprises a sliding rail (8) fixedly connected with the inner wall of one end of the sewage tank (1), the inner wall of the sliding rail (8) is slidably connected with a sliding block (9), one end of the sliding block (9) is fixedly connected with an electric hydraulic rod (10), and the bottom of a piston rod of the electric hydraulic rod (10) is fixedly connected with a shovel plate (11).

3. The sewage treatment device for sewage treatment and the use method thereof according to claim 2, wherein a rotating motor (12) is fixedly connected to the outer wall of one side of the sewage tank (1), a threaded rod (13) is fixedly connected to an output shaft of the rotating motor (12), and the threaded rod (13) is in threaded connection with the sliding block (9).

4. The sewage treatment device for sewage treatment and the use method thereof according to claim 1, wherein the spraying mechanism comprises a water tank (14) fixedly connected with the bottom of the connecting rod (2), one side of the rotating motor (4) is fixedly connected with a pump (15), a pumping end of the pump (15) is fixedly connected with the inner wall of the bottom of the water tank (14) through a water pipe, and a water draining end of the pump (15) is fixedly connected with a spray head (16).

5. The sewage treatment apparatus for sewage treatment and the method of using the same according to claim 4, wherein the spray head (16) has a trapezoid structure, and the top surface area of the spray head (16) is smaller than the bottom surface area.

6. The sewage treatment device for sewage treatment and the use method thereof according to claim 1, wherein a sludge discharge port (17) is formed on one side of the inner wall of the bottom of the sewage tank (1), a clamping groove (18) extending to the sludge discharge port (17) is formed on the outer wall of one end of the sewage tank (1), and a clamping plate (19) is slidably connected to the inner wall of the clamping groove (18).

7. The sewage treatment device for sewage treatment and the use method thereof according to claim 6, wherein a collecting tank (20) communicated with the sludge discharge port (17) is fixedly connected to the bottom of the sewage tank (1), and a movable filter screen plate (21) is arranged in the collecting tank (20).

8. The sewage treatment device for sewage treatment and the use method thereof according to claim 7, wherein connecting grooves (22) are formed in inner walls of two sides of the collecting box (20), connecting blocks (23) are slidably connected to inner walls of the connecting grooves (22), the connecting blocks (23) are fixedly connected with the filter screen plates (21), and the filter screen plates (21) are obliquely arranged.

9. The sewage treatment device for sewage treatment and the use method thereof according to claim 8, wherein a connecting motor is fixedly connected to an outer wall of one side of the collecting box (20), an output shaft of the connecting motor is fixedly connected with a connecting shaft (24), cams (25) are fixedly connected to two sides of the top of the surface of the connecting shaft (24), and the cams (25) are contacted with a fixed frame of the filter screen plate (21).

10. A method of use for sewage treatment according to claims 1-9, comprising the steps of:

the first step: when cleaning is carried out, the clamping plate (19) is pulled out through the inner wall of the clamping groove (18), then the electric telescopic rod (3) is started, and the piston rod of the electric telescopic rod (3) moves to enable the rotary motor (4) to move downwards;

and a second step of: starting a rotating motor (4), wherein the rotation of an output shaft of the rotating motor (4) can enable a rotating shaft (5) to rotate, the rotation of the rotating shaft (5) can enable a rotating disc (6) to rotate, the rotation of the rotating disc (6) can enable a swinging strip (7) to rotate, and the rotation of the swinging strip (7) can clear sludge at the bottom of a sewage tank (1) in a rotating mode;

and a third step of: the pump (15) is started, the pump (15) can pump water in the water tank (14) to the spray head (16) for spraying, and the loosened sludge can be cleaned by water flushing;

fourth step: starting an electric hydraulic rod (10), enabling a piston rod of the electric hydraulic rod (10) to move downwards to enable a shovel plate (11), starting a rotating motor (12), enabling an output shaft of the rotating motor (12) to rotate to enable a threaded rod (13) to rotate, enabling the rotation of the threaded rod (13) to apply force to a sliding block (9), enabling the sliding block (9) to bear force to slide in the inner wall of a sliding rail (8), enabling the shovel plate (11) to shovel a mixture of sludge and water at the moment, and enabling the mixture to move to a sludge discharge port (17);

fifth step: starting a connecting motor, wherein the rotation of an output shaft of the connecting motor can enable a connecting shaft (24) to rotate, and the rotation of the connecting shaft (24) can enable a cam (25) to rotate, so that a filter screen plate (21) can slide up and down, and the filter screen plate (21) can be prevented from being blocked;

sixth step: the structure is reset, the clamping plate (19) is inserted into the clamping groove (18), and the sewage pool (1) is subjected to sewage disposal again.