CN217479156U

CN217479156U - Activated sludge sewage treatment device

Info

Publication number: CN217479156U
Application number: CN202221287857.2U
Authority: CN
Inventors: 孔康泓; 邹建; 陈康鑫
Original assignee: Changzhou Kanglu Environmental Protection Technology Co ltd
Current assignee: Changzhou Kanglu Environmental Protection Technology Co ltd
Priority date: 2022-05-27
Filing date: 2022-05-27
Publication date: 2022-09-23
Anticipated expiration: 2032-05-27

Abstract

The utility model relates to the technical field of environmental protection equipment, in particular to an activated sludge sewage treatment device, which comprises a treatment barrel, wherein two circular material guiding bins are arranged in the treatment barrel, the two circular material guiding bins are distributed up and down, the outer wall of each circular material guiding bin is communicated with a diffusion pipe, the outer wall of each diffusion pipe is provided with an opening, the directions of the openings of the diffusion pipes on the two circular material guiding bins are opposite, and the bottom of the treatment barrel is communicated with an air guide pipe; through adopting activated sludge's mode to carry out effective degradation to nitrogenous phosphorus organic matter in the sewage, can effectively reduce cost input, avoid causing secondary pollution to sewage, simultaneously through adopting the mode of offset and aeration, can conveniently make activated sludge diffusion homogeneity improve in sewage, conveniently carry out comprehensive purification treatment to sewage, improve the sewage treatment effect.

Description

Activated sludge sewage treatment device

Technical Field

The utility model relates to the technical field of environmental protection equipment, in particular to an activated sludge sewage treatment device.

Background

As is well known, when sewage is treated, nitrogen-containing and phosphorus-containing organic matters in the sewage often need to be degraded and separated, so that the content of the substances in the sewage is reduced, the phenomenon of eutrophication after vegetation absorbs the nitrogen-containing and phosphorus-containing organic matters is avoided, the pollution of the sewage to the environment is reduced, the traditional mode for removing the nitrogen-containing and phosphorus-containing substances in the sewage is subjected to neutralization and precipitation treatment by adding chemical agents, the consumed chemical agents are large in amount, the cost input is high, the added chemical agents easily cause secondary pollution to the sewage, the sewage purification effect is poor, the diffusion uniformity of the chemical agents in the sewage is poor, and the sewage cannot be comprehensively purified and treated.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides an activated sludge sewage treatment device.

In order to achieve the above purpose, the utility model adopts the technical scheme that:

activated sludge sewage treatment plant, including the treatment tank, be provided with two circular guide feed bins in the treatment tank, two circular guide feed bins distribute about being, the intercommunication is provided with the diffusion tube on the circular guide feed bin outer wall, has seted up the opening on the outer wall of diffusion tube to the opening orientation of the diffusion tube on two circular guide feed bins is relative, treatment tank bottom intercommunication is provided with the air duct.

Furthermore, a bucket-shaped partition plate is arranged in the middle of the treatment barrel and divides the inner wall of the treatment barrel into an upper side cavity and a lower side cavity, the circular material guide bin and the diffusion pipe are both positioned at the lower side of the bucket-shaped partition plate, a plurality of flow guide pipes are communicated with the outer wall of the treatment barrel, and the upper side cavity and the lower side cavity in the treatment barrel are communicated through the flow guide pipes;

the top of the treatment barrel is arranged to be an inclined plane, a material guide groove plate is arranged on the inclined plane of the treatment barrel and communicated with the treatment barrel, a drainage bin is arranged on the side wall of the treatment barrel in a communicated mode, and an overflow pipe is arranged on the drainage bin in a communicated mode.

Further, still include the right angle baffle, the right angle baffle is installed on the drainage storehouse inner wall, and right angle baffle bottom and drainage storehouse inner wall bottom separation, the slope of right angle baffle.

Further, a drain pipe is communicated with the bottom of the bucket-shaped partition plate, the outer end of the drain pipe extends out of the outer side of the treatment barrel, and a valve is arranged on the drain pipe.

Furthermore, a plurality of mounting plates are arranged at the top of the upper circular guide bin of the two circular guide bins, a rotating shaft is rotatably arranged on each mounting plate, a plurality of stirring rods are arranged on the outer wall of each rotating shaft, and a plurality of branch rods are arranged on each stirring rod;

the inner wall of the treatment barrel is provided with a rotating ring and a bevel gear ring, the rotating ring is rotatably connected with the treatment barrel, the outer end of the rotating shaft is rotatably arranged on the rotating ring, the rotating shaft is provided with a first bevel gear, and the first bevel gear is meshed with the bevel gear ring.

Furthermore, a first umbrella-shaped screen plate and a second umbrella-shaped screen plate are arranged on the lower side in the processing barrel, the first umbrella-shaped screen plate is close to the second umbrella-shaped screen plate, and the first umbrella-shaped screen plate is fixed on the inner wall of the processing barrel;

the air guide bin is installed on the outer wall of the treatment barrel, an air inlet pipe is arranged at the top of the air guide bin in a communicated mode, the input end of the air guide pipe is installed on the side wall of the air guide bin in a communicated mode, a sealing block is arranged in the air guide bin in a sliding mode, the bottom of the sealing block extends out of the outer side of the air guide bin, a plate spring is installed on the sealing block, and the outer end of the plate spring is fixed to the air guide bin.

Furthermore, a first hollow shaft is arranged on the circular material guiding bin on the lower side of the two circular material guiding bins, the top of the first hollow shaft extends into the circular material guiding bin on the lower side and is communicated with the circular material guiding bin, the bottom of the first hollow shaft extends out of the treatment barrel, the first hollow shaft is rotatably connected with the treatment barrel, a second hollow shaft is arranged in the circular material guiding bin on the upper side and is communicated with the circular material guiding bin on the upper side, the bottom of the second hollow shaft penetrates through the first hollow shaft and extends out, and the second hollow shaft is rotatably connected with the first hollow shaft;

second hollow shaft bottom intercommunication is provided with the inlet pipe to the second hollow shaft rotates with the inlet pipe to be connected, and the outside cover of first hollow shaft is equipped with annular water conservancy diversion frid, and first hollow shaft rotates with annular water conservancy diversion frid to be connected and the intercommunication, and annular water conservancy diversion frid top is fixed in the treatment barrel bottom, and the intercommunication is provided with the inlet tube on the annular water conservancy diversion frid, and the fixed plate is installed to the treatment barrel bottom, the fixed plate respectively with inlet pipe and water piping connection.

Furthermore, the device also comprises a motor, wherein the motor is arranged at the bottom of the treatment barrel, a second bevel gear is arranged at the output end of the motor, third bevel gears are arranged on the upper side and the lower side of the second bevel gear in a meshed manner, and the two third bevel gears are respectively arranged on the first hollow shaft and the second hollow shaft.

Compared with the prior art, the beneficial effects of the utility model are that: through adopting activated sludge's mode to carry out effective degradation to nitrogenous phosphorus organic matter in the sewage, can effectively reduce cost input, avoid causing secondary pollution to sewage, simultaneously through adopting the mode of offset and aeration, can conveniently make activated sludge diffusion homogeneity improve in sewage, conveniently carry out comprehensive purification treatment to sewage, improve the sewage treatment effect.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a schematic cross-sectional view of the processing tank of FIG. 1;

FIG. 3 is an enlarged view of a portion A of FIG. 2;

FIG. 4 is an enlarged view of the feed pipe of FIG. 2;

FIG. 5 is an enlarged schematic view of the circular material guiding bin in FIG. 2;

in the drawings, the reference numbers: 1. a treatment barrel; 2. a circular material guiding bin; 3. a diffuser tube; 4. a gas-guide tube; 5. a bucket-shaped partition plate; 6. a flow guide pipe; 7. a chute plate; 8. a drainage bin; 9. an overflow pipe; 10. a right angle baffle; 11. a blow-off pipe; 12. a valve; 13. mounting a plate; 14. a rotating shaft; 15. a stirring rod; 16. branch rods are arranged; 17. a rotating ring; 18. a conical gear ring; 19. a first bevel gear; 20. a first umbrella-shaped mesh plate; 21. a second umbrella-shaped net plate; 22. a gas guiding bin; 23. an air inlet pipe; 24. sealing blocks; 25. a plate spring; 26. a first hollow shaft; 27. a second hollow shaft; 28. a feed pipe; 29. an annular water guide channel plate; 30. a water inlet pipe; 31. a fixing plate; 32. a motor; 33. a second bevel gear; 34. and a third bevel gear.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like are the directions or positional relationships indicated on the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the device or element indicated must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may include, for example, a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; the connection may be direct or indirect through an intermediate medium, and may be a communication between the two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. This embodiment is written in a progressive manner.

As shown in fig. 1-2, the utility model discloses an activated sludge sewage treatment device, including the processing barrel 1, be provided with two circular guide feed bins 2 in the processing barrel 1, two circular guide feed bins 2 distribute from top to bottom, the intercommunication is provided with the diffusion tube 3 on the 2 outer walls of circular guide feed bin, has seted up the opening on the outer wall of diffusion tube 3 to the opening orientation of diffusion tube 3 on two circular guide feed bins 2 is relative, 1 bottom intercommunication of processing barrel is provided with air duct 4.

In the embodiment, sewage is discharged into the treatment barrel 1 through the circular guide material bin 2 at the lower side and the diffusion pipe 3 thereon, activated sludge is discharged into the treatment barrel 1 through the circular guide material bin 2 at the upper side and the diffusion pipe 3 thereon, the sewage can carry out hedging diffusion treatment on sludge due to the opposite directions of the openings of the diffusion pipes 3 on the two circular guide material bins 2, so that the sludge can be conveniently and rapidly diffused, the two circular guide material bins 2 are rotated, the rotation directions of the two circular guide material bins 2 are opposite, so that the sludge and the sewage can be conveniently and synchronously carried out rotation diffusion movement, the diffusion area of the sludge in the sewage can be conveniently increased, air is introduced into mixed liquid of the sewage and the sludge in the treatment barrel 1 through the air guide pipe 4, bubbles in the mixed liquid can carry out aeration treatment on the mixed liquid, microorganisms in the sludge can effectively degrade and nitrogen-containing organic matters in the sewage under the aerobic condition, thereby reach the purpose of biological purification sewage, through adopting activated sludge's mode to carry out effective degradation to nitrogenous phosphorus-containing organic matter in the sewage, can effectively reduce cost input, avoid causing secondary pollution to sewage, simultaneously through adopting the mode of offset and aeration, can conveniently make activated sludge diffusion homogeneity improve in sewage, conveniently carry out comprehensive purification treatment to sewage, improve the sewage treatment effect.

As shown in fig. 1 to 2, as a preferred embodiment of the above embodiment, a bucket-shaped partition plate 5 is installed in the middle of the treatment barrel 1, the bucket-shaped partition plate 5 divides the inner wall of the treatment barrel 1 into an upper cavity and a lower cavity, the circular material guiding bin 2 and the diffusion pipe 3 are both located at the lower side of the bucket-shaped partition plate 5, a plurality of flow guiding pipes 6 are communicated with the outer wall of the treatment barrel 1, and the upper cavity and the lower cavity in the treatment barrel 1 are communicated with each other by the flow guiding pipes 6;

the top of the treatment barrel 1 is arranged to be an inclined plane, a material guide groove plate 7 is arranged on the inclined plane of the treatment barrel 1, the material guide groove plate 7 is communicated with the treatment barrel 1, a drainage bin 8 is arranged on the side wall of the treatment barrel 1 in a communicated mode, and an overflow pipe 9 is arranged on the drainage bin 8 in a communicated mode.

In this embodiment, sewage is mixxed with activated sludge stirring at 5 downside of fill form baffle, simultaneously the bubble that air duct 4 discharged in the treatment vessel 1 carries out aeration treatment to mixed liquid, thereby conveniently make mud and sewage flash mixed, the microorganism in the convenient mud that makes carries out comprehensive degradation treatment to the nitrogenous phosphorus material in the sewage, simultaneously conveniently make mud rebound under the effect of sewage and bubble, mixed liquid gets into treatment vessel 1 upside cavity through honeycomb duct 6 and carries out the processing of stewing, mud in the mixed liquid can natural sedimentation to 5 tops of fill form baffle, the impurity of bubble and air supporting in the mixed liquid can come up to treatment vessel 1 inside upside and derive through baffle 7, because treatment vessel 1 top sets up to the inclined plane, can conveniently gather together air supporting impurity, surplus sewage accessible drainage storehouse 8 and overflow pipe 9 are discharged.

As shown in fig. 2, as a preference of the above embodiment, a right-angle baffle 10 is further included, the right-angle baffle 10 is installed on the inner wall of the drainage bin 8, the bottom of the right-angle baffle 10 is separated from the bottom of the inner wall of the drainage bin 8, and the right-angle baffle 10 is inclined.

In this embodiment, in the impurity of air supporting can get into drainage storehouse 8 in the 1 side cavity of processing bucket, right angle baffle 10 can carry out the interception to air supporting impurity and handle to conveniently make sewage gap flow between right angle baffle 10 bottom and 8 inner wall bottoms in drainage storehouse, conveniently make air supporting impurity and sewage separation, because right angle baffle 10 slopes, can conveniently lead the processing to air supporting impurity, conveniently make air supporting impurity to 7 directions of baffle box move.

As shown in fig. 1 to 2, as a preferred embodiment, a sewage pipe 11 is arranged at the bottom of the hopper-shaped partition plate 5 in a communicating manner, the outer end of the sewage pipe 11 extends to the outer side of the treatment barrel 1, and a valve 12 is arranged on the sewage pipe 11.

In this embodiment, open valve 12, the mud accessible blow off pipe 11 of deposit is discharged on the hopper-shaped baffle 5, and the sewage of the 1 upside cavity of simultaneous processing bucket can promote the mud on the hopper-shaped baffle 5 and discharge fast.

As shown in fig. 2 to 5, as a preferred embodiment of the present invention, a plurality of mounting plates 13 are disposed on the top of the upper circular material guiding bin 2 of the two circular material guiding bins 2, a rotating shaft 14 is rotatably disposed on the mounting plates 13, a plurality of stirring rods 15 are mounted on the outer wall of the rotating shaft 14, and a plurality of branch rods 16 are disposed on the stirring rods 15;

the inner wall of the treatment barrel 1 is provided with a rotating ring 17 and a bevel gear ring 18, the rotating ring 17 is rotatably connected with the treatment barrel 1, the outer end of a rotating shaft 14 is rotatably arranged on the rotating ring 17, the rotating shaft 14 is provided with a first bevel gear 19, and the first bevel gear 19 is meshed with the bevel gear ring 18.

In this embodiment, when the circular material guiding bin 2 rotates, the circular material guiding bin 2 drives the rotating shaft 14, the stirring rod 15 and the branch rod 16 to synchronously perform circular motion through the mounting plate 13, the rotating shaft 14 drives the rotating ring 17 to synchronously rotate, the rotating shaft 14 drives the first bevel gear 19 to roll on the bevel gear ring 18, so that the rotating shaft 14 synchronously rotates, the rotating shaft 14 drives the stirring rod 15 and the branch rod 16 to synchronously rotate, and the stirring rod 15 and the branch rod 16 stir sewage, sludge and bubbles.

As shown in fig. 1 to 2, as a preferable example of the above embodiment, a first umbrella-shaped mesh plate 20 and a second umbrella-shaped mesh plate 21 are arranged at the lower side inside the processing barrel 1, and the first umbrella-shaped mesh plate 20 and the second umbrella-shaped mesh plate 21 are close to each other, and the first umbrella-shaped mesh plate 20 is fixed on the inner wall of the processing barrel 1;

install air guide storehouse 22 on the outer wall of treatment bucket 1, air guide storehouse 22 top intercommunication is provided with intake pipe 23, and the input intercommunication of air duct 4 is installed on air guide storehouse 22's lateral wall, and it is provided with a sealing block 24 to slide in air guide storehouse 22, and the outside of air guide storehouse 22 is stretched out to sealing block 24 bottom, installs leaf spring 25 on the sealing block 24, and leaf spring 25's outer end is fixed on air guide storehouse 22.

In the embodiment, air is pumped into the air guide chamber 22 through the air inlet pipe 23, the leaf spring 25 always generates elastic thrust to the sealing block 24, the air in the air guide chamber 22 is increased, the pressure is increased, the air in the air guide chamber 22 pushes the sealing block 24 to move downwards, when the sealing block 24 deviates from the input end of the air guide pipe 4, the air in the air guide chamber 22 is discharged into the processing barrel 1 through the air guide pipe 4, so that the air in the air guide pipe 4 is always in a high-speed and high-pressure state, bubbles discharged into the processing barrel 1 float upwards through the first umbrella-shaped screen plate 20 and the second umbrella-shaped screen plate 21, the first umbrella-shaped screen plate 20 and the second umbrella-shaped screen plate 21 can conveniently reduce the volume of the bubbles, meanwhile, because the first umbrella-shaped screen plate 20 and the second umbrella-shaped screen plate 21 are umbrella-shaped, the bubbles can move along the bottom surface of the second umbrella-shaped screen plate 21, the second umbrella-shaped screen plate 21 is rotated, so that the bubbles can be conveniently uniformly diffused in the processing barrel 1 and effectively reduce the volume of the bubbles, the air floatation effect is improved.

As shown in fig. 4 to 5, as a preferred embodiment of the above embodiment, a first hollow shaft 26 is disposed on the circular material guiding bin 2 at the lower side of the two circular material guiding bins 2, the top of the first hollow shaft 26 extends into the circular material guiding bin 2 at the lower side and is communicated with the circular material guiding bin 2 at the lower side, the bottom of the first hollow shaft 26 extends to the outside of the processing barrel 1, the first hollow shaft 26 is rotatably connected with the processing barrel 1, a second hollow shaft 27 is disposed in the circular material guiding bin 2 at the upper side, the second hollow shaft 27 is communicated with the circular material guiding bin 2 at the upper side, the bottom of the second hollow shaft 27 passes through the first hollow shaft 26 and extends out, and the second hollow shaft 27 is rotatably connected with the first hollow shaft 26;

the bottom of the second hollow shaft 27 is communicated with a feeding pipe 28, the second hollow shaft 27 is rotatably connected with the feeding pipe 28, an annular water guide groove plate 29 is sleeved on the outer side of the first hollow shaft 26, the first hollow shaft 26 is rotatably connected and communicated with the annular water guide groove plate 29, the top of the annular water guide groove plate 29 is fixed at the bottom of the treatment barrel 1, a water inlet pipe 30 is communicated and arranged on the annular water guide groove plate 29, a fixing plate 31 is installed at the bottom of the treatment barrel 1, and the fixing plate 31 is respectively connected with the feeding pipe 28 and the water inlet pipe 30.

In this embodiment, the sludge is introduced into the upper circular guide bin 2 through the feeding pipe 28 and the second hollow shaft 27, the sewage is introduced into the lower circular guide bin 2 through the water inlet pipe 30, the annular water guide trough plate 29 and the first hollow shaft 26, and the first hollow shaft 26 and the second hollow shaft 27 are rotated, so as to drive the two circular guide bins 2 to rotate.

As shown in fig. 4 to 5, as a preferred embodiment, the apparatus further comprises a motor 32, the motor 32 is installed at the bottom of the processing barrel 1, a second bevel gear 33 is installed at the output end of the motor 32, third bevel gears 34 are respectively engaged with the upper and lower sides of the second bevel gear 33, and the two third bevel gears 34 are respectively installed on the first hollow shaft 26 and the second hollow shaft 27.

In this embodiment, the motor 32 drives the two third bevel gears 34 to synchronously rotate in opposite directions through the second bevel gear 33, so as to drive the first hollow shaft 26 and the second hollow shaft 27 to synchronously rotate in opposite directions.

The utility model discloses an activated sludge sewage treatment device, its mounting means, connected mode or set up the mode and be common mechanical system, as long as can reach all can implement of its beneficial effect.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides an activated sludge sewage treatment plant, a serial communication port, including treatment tank (1), be provided with two circular guide feed bins (2) in treatment tank (1), two circular guide feed bins (2) are upper and lower and distribute, the intercommunication is provided with diffusion tube (3) on circular guide feed bin (2) outer wall, has seted up the opening on the outer wall of diffusion tube (3) to the opening orientation of diffusion tube (3) on two circular guide feed bins (2) is relative, treatment tank (1) bottom intercommunication is provided with air duct (4).

2. The activated sludge sewage treatment device according to claim 1, wherein a bucket-shaped partition plate (5) is installed in the middle of the treatment barrel (1), the bucket-shaped partition plate (5) divides the inner wall of the treatment barrel (1) into an upper side cavity and a lower side cavity, the circular material guiding bin (2) and the diffusion pipe (3) are both positioned at the lower side of the bucket-shaped partition plate (5), a plurality of flow guide pipes (6) are communicated with the outer wall of the treatment barrel (1), and the upper side cavity and the lower side cavity in the treatment barrel (1) are communicated with each other by the flow guide pipes (6);

the top of the treatment barrel (1) is arranged to be an inclined plane, a material guide groove plate (7) is arranged on the inclined plane of the treatment barrel (1), the material guide groove plate (7) is communicated with the treatment barrel (1), a drainage bin (8) is communicated and arranged on the side wall of the treatment barrel (1), and an overflow pipe (9) is communicated and arranged on the drainage bin (8).

3. The activated sludge sewage treatment device according to claim 2, further comprising a right-angle baffle (10), wherein the right-angle baffle (10) is installed on the inner wall of the drainage bin (8), the bottom of the right-angle baffle (10) is separated from the bottom of the inner wall of the drainage bin (8), and the right-angle baffle (10) is inclined.

4. The activated sludge sewage treatment device according to claim 3, wherein the bottom of the hopper-shaped partition plate (5) is communicated with a sewage discharge pipe (11), the outer end of the sewage discharge pipe (11) extends to the outer side of the treatment barrel (1), and a valve (12) is arranged on the sewage discharge pipe (11).

5. The activated sludge sewage treatment device according to claim 4, wherein a plurality of mounting plates (13) are arranged on the top of the upper circular guide bin (2) of the two circular guide bins (2), a rotating shaft (14) is rotatably arranged on the mounting plates (13), a plurality of stirring rods (15) are arranged on the outer wall of the rotating shaft (14), and a plurality of branch rods (16) are arranged on the stirring rods (15);

the inner wall of the processing barrel (1) is provided with a rotating ring (17) and a bevel gear ring (18), the rotating ring (17) is rotatably connected with the processing barrel (1), the outer end of a rotating shaft (14) is rotatably arranged on the rotating ring (17), the rotating shaft (14) is provided with a first bevel gear (19), and the first bevel gear (19) is meshed with the bevel gear ring (18).

6. The activated sludge sewage treatment device according to claim 5, wherein a first umbrella-shaped screen plate (20) and a second umbrella-shaped screen plate (21) are arranged at the lower side in the treatment barrel (1), the first umbrella-shaped screen plate (20) and the second umbrella-shaped screen plate (21) are close to each other, and the first umbrella-shaped screen plate (20) is fixed on the inner wall of the treatment barrel (1);

install on handling bucket (1) outer wall and lead gas storehouse (22), it is provided with intake pipe (23) to lead gas storehouse (22) top intercommunication, the input intercommunication of air duct (4) is installed on the lateral wall of leading gas storehouse (22), it is provided with sealing block (24) to slide in leading gas storehouse (22), the outside of leading gas storehouse (22) is stretched out to sealing block (24) bottom, install leaf spring (25) on sealing block (24), the outer end of leaf spring (25) is fixed on leading gas storehouse (22).

7. The activated sludge sewage treatment device according to claim 6, wherein a first hollow shaft (26) is arranged on the circular guide bin (2) at the lower side of the two circular guide bins (2), the top of the first hollow shaft (26) extends into the circular guide bin (2) at the lower side and is communicated with the circular guide bin, the bottom of the first hollow shaft (26) extends to the outer side of the treatment barrel (1), the first hollow shaft (26) is rotatably connected with the treatment barrel (1), a second hollow shaft (27) is arranged in the circular guide bin (2) at the upper side, the second hollow shaft (27) is communicated with the circular guide bin (2) at the upper side, the bottom of the second hollow shaft (27) penetrates through the first hollow shaft (26) and extends out, and the second hollow shaft (27) is rotatably connected with the first hollow shaft (26);

second hollow shaft (27) bottom intercommunication is provided with inlet pipe (28), and second hollow shaft (27) rotate with inlet pipe (28) and are connected, the outside cover of first hollow shaft (26) is equipped with annular water guide groove plate (29), first hollow shaft (26) rotate with annular water guide groove plate (29) and are connected and communicate, annular water guide groove plate (29) top is fixed in processing barrel (1) bottom, the intercommunication is provided with inlet tube (30) on annular water guide groove plate (29), fixed plate (31) are installed to processing barrel (1) bottom, fixed plate (31) are connected with inlet pipe (28) and inlet tube (30) respectively.

8. The activated sludge sewage treatment device according to claim 7, further comprising a motor (32), wherein the motor (32) is installed at the bottom of the treatment barrel (1), a second bevel gear (33) is arranged at the output end of the motor (32), third bevel gears (34) are respectively arranged at the upper side and the lower side of the second bevel gear (33) in a meshed manner, and the two third bevel gears (34) are respectively installed on the first hollow shaft (26) and the second hollow shaft (27).