CN219546803U - Compound iron enzymatic activated sludge's nitrogen and phosphorus removal equipment - Google Patents

Abstract

The utility model relates to the technical field of environmental protection equipment, in particular to nitrogen and phosphorus removal equipment for composite iron enzymatic activated sludge, which comprises an outer box body, wherein a rotary hollow shaft is rotatably arranged in the outer box body, a plurality of stirring shafts are arranged on the outer wall of the rotary hollow shaft, a plurality of stirring screen plates are arranged on the outer wall of the stirring shafts, and a plurality of diversion wedge plates are arranged on the inner wall of the outer box body; the multi-form mixing treatment is carried out on the composite iron enzymatic activated sludge and the sewage, so that the sludge can be conveniently and comprehensively and uniformly diffused into the sewage, the sludge can be conveniently and comprehensively denitrified and dephosphorized for the sewage, and the sewage treatment effect is improved.

Description

Compound iron enzymatic activated sludge's nitrogen and phosphorus removal equipment

Technical Field

The utility model relates to the technical field of environmental protection equipment, in particular to nitrogen and phosphorus removal equipment for composite iron enzymatic activated sludge.

Background

It is known that the composite iron enzymatic activated sludge is mainly a mixture of ferric salt chemical agents and microorganisms in the sludge, and through the combination of ferric salt chemical flocs and activated sludge microorganism flocs, the action of iron ions participating in electron transfer and enzymatic reaction activating agents is enhanced, so that the biochemical reaction metabolic activity of the microorganisms is effectively improved, the floc structure of the activated sludge is improved and enhanced, and the novel composite iron enzymatic activated sludge with higher reaction activity and floc stability is formed.

When the sewage is subjected to denitrification and dephosphorization treatment, the sludge is generally directly added into the sewage in a flowing state, and the addition mode easily causes that the sludge and the sewage cannot be comprehensively and uniformly mixed, so that the denitrification and dephosphorization effects of the sludge are poor, and the sewage treatment effect is affected.

Disclosure of Invention

In order to solve the technical problems, the utility model provides a denitrification and dephosphorization device for composite iron enzymatic activated sludge.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the nitrogen and phosphorus removal equipment for the composite iron enzymatic activated sludge comprises an outer box body, wherein a rotary hollow shaft is rotatably arranged in the outer box body, a plurality of stirring shafts are arranged on the outer wall of the rotary hollow shaft, a plurality of stirring screen plates are arranged on the outer wall of the stirring shafts, and a plurality of flow guide wedge plates are arranged on the inner wall of the outer box body.

Further, the wedge surface on the flow guiding wedge plate is set to be a bidirectional cambered surface, and a plurality of flow dividing grooves are formed in the flow guiding wedge plate.

Further, a division cone plate is arranged in the outer box body, the division cone plate divides the interior of the outer box body into a centrifugal cavity at the upper side and a mixing cavity at the lower side, the stirring shaft, the stirring screen plate and the flow guiding wedge plate are all positioned at the lower side of the division cone plate, the top of the rotary hollow shaft penetrates through the division cone plate and is in rotary connection, and through holes are formed in the outer wall at the lower side of the rotary hollow shaft and the outer wall of the rotary hollow shaft at the upper side of the division cone plate;

the top of the outer box body is conical and is provided with a spherical sedimentation bin in a communicating way, a plurality of connecting rods are arranged on the outer wall of the spherical sedimentation bin, the bottoms of the connecting rods are fixed on the outer box body, and overflow pipes are arranged on the outer wall of the spherical sedimentation bin in a communicating way;

and a plurality of centrifugal plates are arranged on the outer wall of the rotary hollow shaft on the upper side of the division cone plate.

Further, a flushing bin is arranged on the outer wall of the outer box body, two guide pipes are communicated with the flushing bin, a diffusion structure is arranged in the mixing cavity in the outer box body, and the diffusion structure is communicated with the flushing bin.

Further, the diffusion structure comprises an annular flow guide groove plate arranged on the inner wall of the outer box body, the annular flow guide groove plate is positioned in the mixing cavity, an annular rotating groove plate is sleeved on the annular flow guide groove plate in a sliding mode, a plurality of diffusion pipes are arranged on the annular rotating groove plate in a communicating mode, the diffusion pipes are connected with the rotating hollow shaft, and a plurality of diffusion openings are formed in the bottoms of the diffusion pipes in a communicating mode;

wherein, annular water conservancy diversion frid communicates with erodeing the storehouse.

Further, the diffusion tube is respectively connected with the annular rotary groove plate and the rotary hollow shaft in a rotary way, a swinging wheel is arranged on the diffusion tube, a pull rod is eccentrically and rotatably arranged on the swinging wheel, and a rotary shaft is arranged at the bottom of the pull rod;

the lower side of the annular rotating groove plate is provided with a moving ring, the rotating shaft is rotatably arranged on the moving ring, the bottom of the annular rotating groove plate is provided with a plurality of guide rods, the guide rods penetrate through the moving ring and are in sliding connection, and the section of the moving ring is conical;

the stirring shaft is rotationally connected with the rotating hollow shaft.

Further, a swinging ring is sleeved on the circumferential outer wall of the movable ring, the swinging ring is rotationally connected with the movable ring, a plurality of notches are formed in the outer wall of the outer box body, sliding blocks are arranged in the notches in a sliding mode, the sliding blocks are connected with the swinging ring, sealing plates are buckled on the notches, the sealing plates are in sliding connection with the outer box body, the sliding blocks are connected with the sealing plates, and connecting rings are sleeved on the outer sides of the plurality of sealing plates;

the outer wall of the connecting ring is provided with a pushing groove plate, a poking rod is arranged in the pushing groove plate in a sliding mode, the outer end of the poking rod is provided with a first driving wheel, the first driving wheel is eccentrically connected with the poking rod, a supporting frame is arranged on the first driving wheel and is rotationally connected with the first driving wheel, the supporting frame is fixed on an outer box body, the outer side of the outer box body is sleeved with a power ring, the power ring is in transmission connection with a plurality of first driving wheels, the power ring is slidably arranged on the supporting frame, the outer wall of the outer box body is provided with a first motor, and the output end of the first motor is provided with a second driving wheel which is in transmission connection with the power ring.

Further, a collecting bin is arranged on the outer wall of the outer box body and is communicated with the centrifugal cavity, a cover plate is covered on an opening of the collecting bin, a second motor is arranged at the bottom of the outer box body, and the output end of the second motor is in transmission connection with the rotating hollow shaft.

Compared with the prior art, the utility model has the beneficial effects that: the multi-form mixing treatment is carried out on the composite iron enzymatic activated sludge and the sewage, so that the sludge can be conveniently and comprehensively and uniformly diffused into the sewage, the sludge can be conveniently and comprehensively denitrified and dephosphorized for the sewage, and the sewage treatment effect is improved.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to the drawings without inventive effort to those skilled in the art.

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic cross-sectional view of the outer housing of FIG. 1;

FIG. 3 is a schematic view of a partial enlarged structure at A in FIG. 1;

FIG. 4 is an enlarged schematic view of the deflector wedge plate of FIG. 2;

the reference numerals in the drawings: 1. an outer case; 2. rotating the hollow shaft; 3. a stirring shaft; 4. stirring the screen plate; 5. a deflector wedge plate; 6. dividing the cone plate; 7. a spherical sedimentation bin; 8. a connecting rod; 9. an overflow pipe; 10. a centrifugal plate; 11. flushing the bin; 12. a conduit; 13. an annular flow guide groove plate; 14. annular rotating groove plates; 15. a diffusion tube; 16. a swinging wheel; 17. a pull rod; 18. a rotating shaft; 19. a moving ring; 20. a guide rod; 21. a swinging ring; 22. a notch; 23. a slide block; 24. a sealing plate; 25. a connecting ring; 26. pushing the groove plate; 27. a toggle rod; 28. a first driving wheel; 29. a support frame; 30. a power ring; 31. a first motor; 32. a second driving wheel; 33. a collecting bin; 34. a cover plate; 35. and a second motor.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated as being "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are directions or positional relationships based on the drawings are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements to be referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; the connection may be direct or indirect via an intermediate medium, or may be internal communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art. This example was written in a progressive manner.

As shown in fig. 1 to 4, the denitrification and dephosphorization equipment for the composite iron enzymatic activated sludge comprises an outer box body 1, wherein a rotary hollow shaft 2 is rotatably arranged in the outer box body 1, a plurality of stirring shafts 3 are arranged on the outer wall of the rotary hollow shaft 2, a plurality of stirring screen plates 4 are arranged on the outer wall of the stirring shafts 3, and a plurality of guide wedge plates 5 are arranged on the inner wall of the outer box body 1.

In this embodiment, add compound iron enzymatic activated sludge and sewage in outer box 1 simultaneously, rotate hollow shaft 2 drive stirring axle 3 and stir otter board 4 synchronous rotation, stirring axle 3 and stir otter board 4 and carry out rotatory stirring processing to mud and sewage, mud and sewage are restricted to flow simultaneously, mud and sewage near outer box 1 inner wall is through water conservancy diversion wedge plate 5 water conservancy diversion effect, flow to outer box 1 middle part again, thereby make mud and sewage in the outer box 1 carry out the multi-form mixed motion, conveniently make mud carry out comprehensive denitrification dephosphorization to sewage and handle, carry out multi-form mixed treatment to compound iron enzymatic activated sludge and sewage, can conveniently make mud comprehensive evenly diffuse into sewage, conveniently make mud carry out comprehensive denitrification dephosphorization to sewage and handle, improve sewage treatment effect.

As a preferable mode of the foregoing embodiment, the wedge surface on the guiding wedge plate 5 is a bidirectional arc surface, and the guiding wedge plate 5 is provided with a plurality of splitter boxes.

In this embodiment, through setting the wedge face of water conservancy diversion wedge plate 5 to two-way cambered surface, can conveniently make water conservancy diversion wedge plate 5 carry out water conservancy diversion processing to the sewage of two-way flow in the outer box 1, avoid mud to deposit near water conservancy diversion wedge plate 5 simultaneously, conveniently carry out comprehensive water conservancy diversion processing to mud, improve sewage treatment effect, through set up the splitter box on water conservancy diversion wedge plate 5, can conveniently carry out the reposition of redundant personnel processing to mud and sewage, improve its mixed effect.

As a preference of the above embodiment, a dividing cone plate 6 is disposed in the outer case 1, and the dividing cone plate 6 divides the interior of the outer case 1 into a centrifugal cavity on the upper side and a mixing cavity on the lower side, the stirring shaft 3, the stirring screen 4 and the diversion wedge plate 5 are all located on the lower side of the dividing cone plate 6, the top of the rotating hollow shaft 2 passes through the dividing cone plate 6 and is rotationally connected, and openings are formed on the outer wall on the lower side of the rotating hollow shaft 2 and the outer wall of the rotating hollow shaft 2 on the upper side of the dividing cone plate 6;

the top of the outer box body 1 is arranged in a conical shape and is communicated with a spherical sedimentation bin 7, a plurality of connecting rods 8 are arranged on the outer wall of the spherical sedimentation bin 7, the bottoms of the connecting rods 8 are fixed on the outer box body 1, and overflow pipes 9 are communicated with the outer wall of the spherical sedimentation bin 7;

a plurality of centrifugal plates 10 are arranged on the outer wall of the rotary hollow shaft 2 at the upper side of the dividing cone plate 6.

In this embodiment, mud and sewage carry out mixed motion at the mixed chamber of splitting cone plate 6 downside, the mixed liquor gets into through rotating hollow shaft 2 through the opening of rotating hollow shaft 2 downside and discharges to centrifugal chamber through rotating hollow shaft 2 upside opening, when rotating hollow shaft 2 rotates, rotating hollow shaft 2 drives centrifugal plate 10 synchronous rotation, centrifugal plate 10 promotes the mixed liquor in the centrifugal chamber and carries out centrifugal motion, thereby conveniently carry out centrifugal separation processing to mud and sewage, mud gathers near the outer box 1 inner wall in splitting cone plate 6 top outside, simultaneously sewage gathers and upwards flows in centrifugal chamber middle part and in sphere sedimentation storehouse 7, sewage is kept stand in sphere sedimentation storehouse 7 and is deposited the processing, the mud after the sediment falls into centrifugal chamber down, the supernatant after the sediment is discharged through overflow pipe 9, thereby realize sewage and mud's separation work, the convenience carries out reuse to sewage.

As the preference of the above embodiment, the outer wall of the outer box 1 is provided with a flushing bin 11, two pipes 12 are communicated with the flushing bin 11, a diffusion structure is arranged in the mixing cavity of the outer box 1, and the diffusion structure is communicated with the flushing bin 11.

In this embodiment, sewage is discharged into the flushing bin 11 through one conduit 12 on the flushing bin 11, sludge is discharged into the flushing bin 11 through the other conduit 12, and sewage in the flushing bin 11 carries out flushing treatment on the sludge, so that the sludge and the sewage are mixed preliminarily, and mixed liquid is discharged into the mixing cavity through the diffusion structure.

As a preference of the above embodiment, the diffusion structure includes an annular guide groove plate 13 mounted on the inner wall of the outer case 1, the annular guide groove plate 13 is located in the mixing cavity, an annular rotating groove plate 14 is slidably sleeved on the annular guide groove plate 13, a plurality of diffusion pipes 15 are mounted on the annular rotating groove plate 14 in a communicating manner, the diffusion pipes 15 are connected with the rotating hollow shaft 2, and a plurality of diffusion ports are provided at the bottom of the diffusion pipes 15 in a communicating manner;

wherein the annular flow guide groove plate 13 is communicated with the flushing bin 11.

In this embodiment, the hollow rotating shaft 2 drives the diffusion tube 15 to rotate, the diffusion tube 15 drives the annular rotating groove plate 14 to rotate on the annular flow guiding groove plate 13, the mixed liquid in the outer box 1 is discharged into the diffusion tube 15 through the annular flow guiding groove plate 13 and the annular rotating groove plate 14, and the mixed liquid in the diffusion tube 15 is discharged into the mixing cavity through the diffusion opening on the diffusion tube 15, and the diffusion tube 15 continuously rotates, so that the mixed liquid is conveniently and uniformly diffused into the mixing cavity.

As the preference of the above embodiment, the diffusion tube 15 is respectively connected with the annular rotary groove plate 14 and the rotary hollow shaft 2 in a rotary way, the diffusion tube 15 is provided with a swinging wheel 16, the swinging wheel 16 is eccentrically and rotatably provided with a pull rod 17, and the bottom of the pull rod 17 is provided with a rotary shaft 18;

the lower side of the annular rotary groove plate 14 is provided with a movable ring 19, a rotating shaft 18 is rotatably arranged on the movable ring 19, the bottom of the annular rotary groove plate 14 is provided with a plurality of guide rods 20, the guide rods 20 penetrate through the movable ring 19 and are connected in a sliding manner, and the section of the movable ring 19 is conical;

the stirring shaft 3 is rotatably connected with the rotary hollow shaft 2.

In this embodiment, the annular rotating groove plate 14 drives the moving ring 19, the rotating shaft 18, the pull rod 17 and the swinging wheel 16 to move synchronously and circularly through the guide rod 20, so as to push the moving ring 19 to move up and down, meanwhile, the moving ring 19 slides on the guide rod 20, and meanwhile, the moving ring 19 drives the swinging wheel 16 to rotate reciprocally through the rotating shaft 18 and the pull rod 17, so that the diffusion tube 15 is driven to swing reciprocally, the mixed liquid discharged by the diffusion tube 15 is convenient to diffuse comprehensively, and meanwhile, the mixed liquid discharged by the diffusion tube 15 pushes the stirring screen plate 4 on the stirring shaft 3, so that the stirring screen plate 4 and the stirring shaft 3 rotate on the rotating hollow shaft 2, and the stirring shaft 3 and the stirring screen plate 4 rotate reciprocally due to the fact that the diffusion tube 15 is in a swinging state, so that the diversity of stirring forms of the stirring shaft 3 and the stirring screen plate 4 on the mixed liquid is improved.

As a preferable example of the above embodiment, the outer circumferential wall of the movable ring 19 is sleeved with a swinging ring 21, the swinging ring 21 is rotatably connected with the movable ring 19, the outer wall of the outer box 1 is provided with a plurality of slots 22, a sliding block 23 is slidably arranged in the slots 22, the sliding block 23 is connected with the swinging ring 21, the slots 22 are buckled with a sealing plate 24, the sealing plate 24 is slidably connected with the outer box 1, the sliding block 23 is connected with the sealing plate 24, and the outer sides of the plurality of sealing plates 24 are sleeved with a connecting ring 25;

the outer wall of the connecting ring 25 is provided with a pushing groove plate 26, a toggle rod 27 is arranged in the pushing groove plate 26 in a sliding mode, the outer end of the toggle rod 27 is provided with a first driving wheel 28, the first driving wheel 28 is eccentrically connected with the toggle rod 27, a supporting frame 29 is arranged on the first driving wheel 28, the supporting frame 29 is rotationally connected with the first driving wheel 28, the supporting frame 29 is fixed on the outer box body 1, a power ring 30 is sleeved on the outer side of the outer box body 1, the power ring 30 is in transmission connection with a plurality of first driving wheels 28, the power ring 30 is arranged on the supporting frame 29 in a sliding mode, a first motor 31 is arranged on the outer wall of the outer box body 1, the output end of the first motor 31 is provided with a second driving wheel 32, and the second driving wheel 32 is in transmission connection with the power ring 30.

In this embodiment, the sealing plate 24 seals the notch 22, the first motor 31 drives the power ring 30 to rotate through the second driving wheel 32, the power ring 30 drives the plurality of first driving wheels 28 to rotate synchronously, the first driving wheels 28 drive the toggle rod 27 to eccentrically rotate, and meanwhile, the toggle rod 27 pushes the pushing groove plate 26 to move up and down, so that the pushing groove plate 26 drives the swinging ring 21 to move up and down through the connecting ring 25, the sealing plate 24 and the sliding block 23, and the swinging ring 21 drives the moving ring 19 to move up and down, so as to drive the plurality of diffusion pipes 15 to move in a varying manner.

As the preference of the above embodiment, the outer wall of the outer box 1 is provided with a collecting bin 33, the collecting bin 33 is communicated with the centrifugal cavity, the opening of the collecting bin 33 is covered with a cover plate 34, the bottom of the outer box 1 is provided with a second motor 35, and the output end of the second motor 35 is in transmission connection with the rotating hollow shaft 2.

In this embodiment, the sludge centrifugally separated in the centrifugal cavity in the outer box 1 rotates to enter the collection bin 33, so that the treated sludge is recovered, the cover plate 34 is opened, the sludge collected in the collection bin 33 can be conveniently discharged, and the second motor 35 drives the rotary hollow shaft 2 to rotate.

The installation mode, the connection mode or the setting mode of the denitrification and dephosphorization equipment for the composite iron enzymatic activated sludge are common mechanical modes, and can be implemented as long as the beneficial effects of the equipment can be achieved.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present utility model, and these modifications and variations should also be regarded as the scope of the utility model.

Claims (7)

1. The utility model provides a compound iron enzymatic activated sludge's nitrogen and phosphorus removal equipment, its characterized in that, including outer box (1), outer box (1) internal rotation is provided with and rotates hollow shaft (2), rotates and installs a plurality of stirring axles (3) on hollow shaft (2) outer wall, is provided with a plurality of stirring otter board (4) on the outer wall of stirring axle (3), be provided with a plurality of water conservancy diversion wedge plates (5) on outer box (1) inner wall, wedge face on water conservancy diversion wedge plate (5) sets up to two-way cambered surface, a plurality of splitter boxes have been seted up on water conservancy diversion wedge plate (5).

2. The nitrogen and phosphorus removal equipment for the composite iron enzymatic activated sludge is characterized in that a division cone plate (6) is arranged in the outer box body (1), the division cone plate (6) divides the interior of the outer box body (1) into a centrifugal cavity at the upper side and a mixing cavity at the lower side, the stirring shaft (3), the stirring screen plate (4) and the diversion wedge plate (5) are all positioned at the lower side of the division cone plate (6), the top of the rotary hollow shaft (2) penetrates through the division cone plate (6) and is in rotary connection, and through openings are formed in the outer wall of the lower side of the rotary hollow shaft (2) and the outer wall of the rotary hollow shaft (2) at the upper side of the division cone plate (6);

the top of the outer box body (1) is arranged in a conical shape and is communicated with a spherical sedimentation bin (7), a plurality of connecting rods (8) are arranged on the outer wall of the spherical sedimentation bin (7), the bottoms of the connecting rods (8) are fixed on the outer box body (1), and overflow pipes (9) are communicated with the outer wall of the spherical sedimentation bin (7);

a plurality of centrifugal plates (10) are arranged on the outer wall of the rotary hollow shaft (2) at the upper side of the dividing cone plate (6).

3. The denitrification and dephosphorization equipment for the composite iron enzymatic activated sludge according to claim 2, wherein a flushing bin (11) is arranged on the outer wall of the outer box body (1), two pipes (12) are communicated with each other on the flushing bin (11), a diffusion structure is arranged in a mixing cavity in the outer box body (1), and the diffusion structure is communicated with the flushing bin (11).

4. A nitrogen and phosphorus removal device for composite iron enzymatic activated sludge according to claim 3, characterized in that the diffusion structure comprises an annular flow guide groove plate (13) arranged on the inner wall of the outer box body (1), the annular flow guide groove plate (13) is positioned in the mixing cavity, an annular rotating groove plate (14) is sleeved on the annular flow guide groove plate (13) in a sliding manner, a plurality of diffusion pipes (15) are arranged on the annular rotating groove plate (14) in a communicating manner, the diffusion pipes (15) are connected with the rotating hollow shaft (2), and a plurality of diffusion openings are arranged at the bottoms of the diffusion pipes (15) in a communicating manner;

wherein, the annular flow guide groove plate (13) is communicated with the flushing bin (11).

5. The denitrification and dephosphorization equipment for the composite iron enzymatic activated sludge according to claim 4, wherein a diffusion pipe (15) is respectively and rotatably connected with an annular rotary trough plate (14) and a rotary hollow shaft (2), a swinging wheel (16) is arranged on the diffusion pipe (15), a pull rod (17) is eccentrically and rotatably arranged on the swinging wheel (16), and a rotating shaft (18) is arranged at the bottom of the pull rod (17);

the lower side of the annular rotary groove plate (14) is provided with a movable ring (19), the rotary shaft (18) is rotatably arranged on the movable ring (19), the bottom of the annular rotary groove plate (14) is provided with a plurality of guide rods (20), the guide rods (20) penetrate through the movable ring (19) and are in sliding connection, and the section of the movable ring (19) is in a conical shape;

the stirring shaft (3) is rotationally connected with the rotating hollow shaft (2).

6. The denitrification and dephosphorization equipment for the composite iron enzymatic activated sludge is characterized in that a swinging ring (21) is sleeved on the circumferential outer wall of the moving ring (19), the swinging ring (21) is rotationally connected with the moving ring (19), a plurality of notches (22) are formed in the outer wall of the outer box body (1), a sliding block (23) is slidably arranged in each notch (22), the sliding block (23) is connected with the swinging ring (21), a sealing plate (24) is buckled on each notch (22), the sealing plate (24) is in sliding connection with the outer box body (1), the sliding block (23) is connected with the sealing plate (24), and a connecting ring (25) is sleeved on the outer sides of the sealing plates (24);

the outer wall of the connecting ring (25) is provided with a pushing groove plate (26), a poking rod (27) is arranged in the pushing groove plate (26), a first driving wheel (28) is arranged at the outer end of the poking rod (27), the first driving wheel (28) is eccentrically connected with the poking rod (27), a supporting frame (29) is arranged on the first driving wheel (28), the supporting frame (29) is rotationally connected with the first driving wheel (28), the supporting frame (29) is fixed on the outer box body (1), a power ring (30) is sleeved on the outer side of the outer box body (1), the power ring (30) is in transmission connection with the plurality of first driving wheels (28), the power ring (30) is slidably arranged on the supporting frame (29), a first motor (31) is arranged on the outer wall of the outer box body (1), and the output end of the first motor (31) is provided with a second driving wheel (32), and the second driving wheel (32) is in transmission connection with the power ring (30).

7. The denitrification and dephosphorization equipment for the composite iron enzymatic activated sludge according to claim 6, wherein a collecting bin (33) is arranged on the outer wall of the outer box body (1), the collecting bin (33) is communicated with the centrifugal cavity, a cover plate (34) is covered on an opening of the collecting bin (33), a second motor (35) is arranged at the bottom of the outer box body (1), and the output end of the second motor (35) is in transmission connection with the rotary hollow shaft (2).