CN113233719A

CN113233719A - Municipal sewage microbiological treatment and sewage regeneration system

Info

Publication number: CN113233719A
Application number: CN202110663810.5A
Authority: CN
Inventors: 殷会滨
Original assignee: Jiliang Future Water Technology Shenzhen Co ltd
Current assignee: Jiliang Future Water Technology Shenzhen Co ltd
Priority date: 2021-06-16
Filing date: 2021-06-16
Publication date: 2021-08-10

Abstract

The invention relates to a microbial treatment and sewage regeneration system for urban sewage, which comprises: the device comprises a solid-liquid separation tank, a biochemical tank, a sedimentation tank, a filter tank, a clean water tank and a sludge tank, wherein the solid-liquid separation tank is positioned below a water outlet of a sewage pipeline, one side of the solid-liquid separation tank is communicated with a water inlet of the biochemical tank, a water outlet of the biochemical tank is communicated with a water inlet of the sedimentation tank, a water outlet of the sedimentation tank is communicated with a water inlet of the filter tank, a water outlet of the filter tank is communicated with a water inlet of the clean water tank, one end of a slurry absorber is communicated with the sludge tank, and the other end of the slurry absorber is respectively communicated with the biochemical tank and the sedimentation tank. The invention aims to provide a municipal sewage microbial treatment and sewage regeneration system with high sewage treatment efficiency and good treatment effect.

Description

Municipal sewage microbiological treatment and sewage regeneration system

Technical Field

The invention relates to the technical field of sewage treatment, in particular to a municipal sewage microbial treatment and sewage regeneration system.

Background

Sewage refers to wastewater from life and production that is subject to some contamination. In recent years, the topic of water pollution is raised, and the water pollution condition is increased, so that the sewage treatment and regeneration industry is concerned widely. The sewage treatment is generally divided into production sewage treatment and domestic sewage treatment, the sewage treatment methods are various and can be generally summarized into a physical method, a chemical method, a biological method and the like, and the traditional sewage treatment plant has complex process and high energy consumption, so that the sewage treatment efficiency is low and the sewage treatment effect is poor.

Disclosure of Invention

Therefore, the invention aims to solve the problems of low sewage treatment efficiency and poor sewage treatment effect in the prior art.

Therefore, the technical scheme adopted is that the urban sewage microbial treatment and sewage regeneration system comprises: the device comprises a solid-liquid separation tank, a biochemical tank, a sedimentation tank, a filter tank, a clean water tank and a sludge tank, wherein the solid-liquid separation tank is positioned below a water outlet of a sewage pipeline, one side of the solid-liquid separation tank is communicated with a water inlet of the biochemical tank, a water outlet of the biochemical tank is communicated with a water inlet of the sedimentation tank, a water outlet of the sedimentation tank is communicated with a water inlet of the filter tank, a water outlet of the filter tank is communicated with a water inlet of the clean water tank, one end of a slurry suction device is communicated with the sludge tank, and the other end of the slurry suction device is communicated with the biochemical tank and the sedimentation tank respectively.

Preferably, the inner walls of the two sides of the solid-liquid separation tank are respectively provided with a guide rail in the vertical direction, a filter screen is arranged in the solid-liquid separation tank, and the filter screen can move on the guide rails in a reciprocating manner.

Preferably, the water inlet of biochemical pond is provided with the flocculating agent and puts in the ware, quartz sand filter layer and active carbon filter layer have set gradually in the biochemical pond, be provided with the ozone releaser in the biochemical pond, the ozone releaser is located the flocculating agent put in the ware with between the quartz sand filter layer, biochemical pond water outlet department is provided with the PH sensor.

Preferably, a plurality of activated carbon adsorption layers are arranged in the filtering tank, and a turbidity sensor is arranged at a water outlet of the filtering tank.

Preferably, the water outlet of the clean water tank is communicated with the water inlet of the urban landscape water tank, a disinfectant dispenser is arranged in the clean water tank, and a residual chlorine sensor is arranged at the water outlet of the clean water tank.

Preferably, the stirring device further comprises a stirring device, and the stirring device comprises: the device comprises a transmission case, a U-shaped groove body, a rotating shaft, a supporting seat, a first motor, a first bevel gear, a main shaft, a worm and gear reducer and a second bevel gear;

a transmission case is arranged on the outer wall of one side of the clean water tank, a U-shaped groove body is arranged in the transmission case, a rotating shaft in the vertical direction is arranged at the bottom end of the U-shaped groove body, one end of the rotating shaft is rotationally connected with the U-shaped groove body, the other end of the rotating shaft is connected with the bottom of the inner wall of the transmission case, the left side and the right side of the top end of the U-shaped groove body are respectively provided with a supporting seat, a first motor is arranged at the bottom of the inner wall of the U-shaped groove body, an output shaft of the first motor is upwards coaxially connected with a first bevel gear, one end of a main shaft in the horizontal direction sequentially passes through the two supporting seats and a first opening on the clean water tank and extends into the clean water tank to be connected with the stirring fan blades, the other end of the main shaft is connected with the input end of a worm gear reducer, a second bevel gear is coaxially arranged on the main shaft and positioned between the two supporting seats, and the first bevel gear is meshed with the second bevel gear;

the outer wall of the worm gear reducer is connected with one end of the L-shaped connecting rod, the other end of the L-shaped connecting rod is connected with the outer wall of the U-shaped groove body, the output end of the worm gear reducer faces downwards and is coaxially connected with the circular plate, the bottom end of the circular plate is provided with an eccentric column, one end of the rocker is connected with the lower end of the rotating shaft in a rotating mode, and the other end of the rocker is connected with the eccentric column in a rotating mode.

Preferably, a fan is arranged on the main shaft and is located in the U-shaped groove body.

Preferably, the device further comprises a pool wall cleaning device, wherein the pool wall cleaning device comprises: a box body, a screw rod, a moving block and a sweeper,

a box body is arranged at the bottom of the sedimentation tank, a fixing shaft in the vertical direction is arranged on the inner wall of the bottom end of the sedimentation tank, one end of the fixing shaft is connected with the inner wall of the bottom end of the sedimentation tank, the other end of the fixing shaft extends into the box body and is connected with a third bevel gear, the fixing shaft is rotationally connected with the bottom wall of the box body, a steel brush is arranged on the outer wall of one side of the box body, which is close to the inner wall of the sedimentation tank, a second motor is arranged on the inner wall of one side of the box body, which is far away from the steel brush, an output shaft of the second motor is connected with a fourth bevel gear towards the steel brush, the fourth bevel gear is positioned above the third bevel gear, and the third bevel gear is meshed with the fourth bevel gear;

a partition board in the vertical direction is arranged in the box body, a screw rod in the horizontal direction is arranged in the box body, one end of the screw is rotationally connected with the inner wall of the box body, the other end of the screw penetrates through the partition plate to be connected with the fourth bevel gear, the screw rod is rotationally connected with the clapboard, a moving block is arranged in the box body, the screw rod penetrates through the moving block, and is in threaded connection with the screw, two sides of the screw are respectively provided with a limiting rod, the limiting rods penetrate through the moving block, the moving block can reciprocate left and right along the limiting rod, one end of the limiting rod is connected with the inner wall of the box body, the other end of the limiting rod is connected with the clapboard, the bottom end of the box body is provided with a second opening in the horizontal direction, and a third motor is arranged at the bottom end of the moving block, and an output shaft of the third motor downwards penetrates through the second opening to be connected with the sweeper.

Preferably, the delivery port in biochemical pond, filtering ponds, clean water basin is provided with the solenoid valve respectively, be provided with treater and alarm on the outer wall in biochemical pond, filtering ponds, clean water basin respectively, the PH sensor with treater electric connection, the treater respectively with alarm, solenoid valve electric connection, the turbidity sensor with treater electric connection, the chlorine residue sensor with treater electric connection.

The technical scheme of the invention has the following advantages: the invention relates to a microbial treatment and sewage regeneration system for urban sewage, which comprises: the device comprises a solid-liquid separation tank, a biochemical tank, a sedimentation tank, a filter tank, a clean water tank and a sludge tank, wherein the solid-liquid separation tank is positioned below a water outlet of a sewage pipeline, one side of the solid-liquid separation tank is communicated with a water inlet of the biochemical tank, a water outlet of the biochemical tank is communicated with a water inlet of the sedimentation tank, a water outlet of the sedimentation tank is communicated with a water inlet of the filter tank, a water outlet of the filter tank is communicated with a water inlet of the clean water tank, one end of a slurry absorber is communicated with the sludge tank, and the other end of the slurry absorber is respectively communicated with the biochemical tank and the sedimentation tank. Because the sewage treatment system adopts a plurality of treatment processes, impurities in the sewage are precipitated, the odor of the sewage is removed, the activated carbon is used for adsorbing pollutants, the sewage is greatly purified, the sewage treatment effect is good, and the sewage treatment efficiency is improved.

Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.

The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

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

FIG. 2 is a view showing the structure of a biochemical tank according to the present invention;

FIG. 3 is a view showing the structure of a filtration tank according to the present invention;

FIG. 4 is a view showing the construction of a stirring apparatus of the present invention;

FIG. 5 is a view showing the construction of the apparatus for cleaning the tank wall according to the present invention;

FIG. 6 is a top view of the apparatus for cleaning the wall of a tank of the present invention;

wherein, 1-a solid-liquid separation tank, 2-a biochemical tank, 3-a sedimentation tank, 4-a filter tank, 5-a clean water tank, 6-a sludge tank, 7-a sewage pipeline, 8-a guide rail, 9-a filter screen, 10-a quartz sand filter layer, 11-an active carbon filter layer, 12-an ozone releaser, 13-an active carbon adsorption layer, 14-a landscape water tank, 15-a disinfectant dispenser, 16-a transmission box, 17-a U-shaped tank body, 18-a rotating shaft, 19-a support seat, 20-a first motor, 21-a first bevel gear, 22-a main shaft, 23-a worm gear reducer, 24-a second bevel gear, 25-an L-shaped connecting rod, 26-a circular plate, 27-an eccentric column, 28-a fan and 29-a rocker, 30-a box body, 31-a screw rod, 32-a moving block, 33-a sweeping brush, 34-a second motor, 35-a partition plate, 36-a fourth bevel gear, 37-a limiting rod, 38-a second opening, 39-a third motor, 40-a steel brush, 41-a processor, 42-an alarm, 43-stirring fan blades, 44-a flocculating agent dispenser, 45-a third bevel gear, 46-an electromagnetic valve, 47-a fixed shaft, 48-a first opening and 49-a pulp sucking device.

Detailed Description

In order to make the technical problems, technical solutions and advantages of the present invention more apparent, the following description of the preferred embodiments of the present invention with reference to the accompanying drawings is provided, and it should be understood that the preferred embodiments described herein are only for illustrating and explaining the present invention and are not intended to limit the present invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly or indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and is therefore not to be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

The embodiment of the invention provides a system for treating urban sewage by using microorganisms and regenerating sewage, as shown in figure 1, comprising: solid-liquid separation pond 1, biochemical pond 2, sedimentation tank 3, filtering ponds 4, clean water basin 5, sludge impoundment 6, solid-liquid separation pond 1 is located the delivery port below of sewer line 7, 1 one side in solid-liquid separation pond with 2 water inlets intercommunication in biochemical pond, 2 delivery ports in biochemical pond with 3 water inlets intercommunication in sedimentation tank, 3 delivery ports in sedimentation tank with 4 water inlets intercommunication in filtering ponds, 4 delivery ports in filtering ponds with 5 water inlets intercommunication in clean water basin, inhale thick liquid ware 49 one end with sludge impoundment 6 intercommunication, inhale thick liquid ware 49 other end respectively with

biochemical pond

2, 3 intercommunications in sedimentation tank.

The working principle and the beneficial effects of the technical scheme are as follows: in the sewage treatment process, municipal sewage is discharged into the solid-liquid separation tank 1 along the sewage pipeline 7, impurities in the sewage are removed from the solid-liquid separation tank 1, the sewage after impurity removal enters the biochemical tank 2 to remove microbes and the odor of the sewage, the sewage treated by the biochemical tank 2 enters the sedimentation tank 3 to precipitate residual impurities, the precipitated sewage enters the filtering tank 4 to be filtered to remove residual suspended impurities, the filtered sewage enters the clean water tank 5 to be disinfected and finally discharged, and the sludge accumulated in the biochemical tank 2 and the sedimentation tank 3 is discharged into the sludge tank 6 through the slurry suction device 49. Because the sewage treatment system adopts a plurality of treatment processes, impurities in the sewage are precipitated, the odor of the sewage is removed, the activated carbon is used for adsorbing pollutants, the sewage is greatly purified, the sewage treatment effect is good, and the sewage treatment efficiency is improved.

In one embodiment, guide rails 8 in the vertical direction are respectively arranged on the inner walls of two sides of the solid-liquid separation tank 1, a filter screen 9 is arranged in the solid-liquid separation tank 1, and the filter screen 9 can reciprocate on the guide rails 8, so that filtered impurities can be cleaned conveniently.

In one embodiment, as shown in fig. 2, a flocculant dispenser 44 is disposed at a water inlet of the biochemical pool 2, a quartz sand filter layer 10 and an activated carbon filter layer 11 are sequentially disposed in the biochemical pool 2, an ozone releaser 12 is disposed in the biochemical pool 2, the ozone releaser 12 is located between the flocculant dispenser 44 and the quartz sand filter layer 10, and a PH sensor is disposed at a water outlet of the biochemical pool 2.

The working principle and the beneficial effects of the technical scheme are as follows: throw in the impurity in the ware 44 deposits the flocculating agent sediment sewage to biochemical pond 2 through the flocculating agent, release ozone in to sewage through ozone releaser 12, remove microorganism and stink in the sewage, quartz sand filter layer 10 filters the impurity that does not deposit with active carbon filter layer 11, and the PH sensor detects the sewage after handling, and sewage treatment is convenient, and the treatment effeciency is high.

In one embodiment, as shown in fig. 3, a plurality of activated carbon adsorption layers 13 are disposed in the filtration tank 4, and a turbidity sensor is disposed at a water outlet of the filtration tank 4, so as to filter impurities remaining in the sewage.

In one embodiment, the water outlet of the clean water tank 5 is communicated with the water inlet of the landscape water tank 14, the disinfectant dispenser 15 is arranged in the clean water tank 5, the residual chlorine sensor is arranged at the water outlet of the clean water tank 5, the treated sewage is conveniently disinfected, and the chlorine content in the water is detected through the residual chlorine sensor.

In one embodiment, as shown in fig. 4, further comprising a stirring device, the stirring device comprising: the device comprises a transmission case 16, a U-shaped groove 17, a rotating shaft 18, a supporting seat 19, a first motor 20, a first bevel gear 21, a main shaft 22, a worm gear reducer 23 and a second bevel gear 24;

a transmission case 16 is arranged on the outer wall of one side of the clean water tank 5, a U-shaped groove 17 is arranged in the transmission case 16, a rotating shaft 18 in the vertical direction is arranged at the bottom end of the U-shaped groove 17, one end of the rotating shaft 18 is rotatably connected with the U-shaped groove 17, the other end of the rotating shaft 18 is connected with the bottom of the inner wall of the transmission case 16, supporting seats 19 are respectively arranged on the left side and the right side of the top end of the U-shaped groove 17, a first motor 20 is arranged at the bottom of the inner wall of the U-shaped groove 17, an output shaft of the first motor 20 is coaxially connected with a first bevel gear 21 upwards, one end of a main shaft 22 in the horizontal direction sequentially penetrates through the two supporting seats 19 and a first opening 48 on the clean water tank 5 to extend into the clean water tank 5 to be connected with a stirring fan blade 43, the other end of the main shaft 22 is connected with the input end of a worm reducer 23, and a second bevel gear 24 is coaxially arranged on the main shaft 22, the second bevel gear 24 is positioned between the two supporting seats 19, and the first bevel gear 21 is meshed with the second bevel gear 24;

the outer wall of worm gear reducer 23 is connected with L type connecting rod 25 one end, the L type connecting rod 25 other end with the outer wall connection of U type tank 17, worm gear reducer 23's output down with plectane 26 coaxial coupling, the bottom of plectane 26 is provided with eccentric post 27, rocker 29 one end with the pivot 18 lower extreme rotates to be connected, the rocker 29 other end with eccentric post 27 rotates to be connected, be provided with fan 28 on the main shaft 22, fan 28 is located U type tank 17.

The working principle and the beneficial effects of the technical scheme are as follows: after the disinfectant is put into the clean water tank 5, the first motor 20 is started to drive the first bevel gear 21, the second bevel gear 24 is driven to rotate through meshing transmission between the first bevel gear 21 and the second bevel gear 24, the main shaft 22 is driven to rotate, the stirring fan blades 43 are driven to rotate and stir the sewage, the main shaft 22 rotates to drive the worm in the worm gear reducer 23 to rotate, the circular plate 26 is driven to rotate through the worm gear reducer 23, the eccentric column 27 rotates, the rocker 29 is driven to swing, the worm 17 swings to drive the U-shaped groove 17 and the main shaft 22 to swing, the stirring fan blades 43 swing while reciprocating left and right, the stirring fan blades 43 stir the sewage in the clean water tank 5, the stirring range is large, and the sewage and the disinfectant are uniformly mixed.

In one embodiment, as shown in fig. 5-6, further comprising a wall cleaning apparatus, the wall cleaning apparatus comprising: a box body 30, a screw rod 31, a moving block 32 and a sweeper 33,

a box body 30 is arranged at the bottom of the sedimentation tank 3, a vertical fixed shaft 47 is arranged on the inner wall of the bottom end of the sedimentation tank 3, one end of the fixed shaft 47 is connected with the inner wall of the bottom end of the sedimentation tank 3, the other end of the fixed shaft 47 extends into the box body 30 and is connected with a third bevel gear 45, the fixed shaft 47 is rotatably connected with the bottom wall of the box body 30, a steel brush 40 is arranged on the outer wall of one side of the box body 30 close to the inner wall of the sedimentation tank 3, a second motor 34 is arranged on the inner wall of one side of the box body 30 far away from the steel brush 40, the output shaft of the second motor 34 is connected with a fourth bevel gear 36 towards the steel brush 40, the fourth bevel gear 36 is positioned above the third bevel gear 45, and the third bevel gear 45 is meshed with the fourth bevel gear 36;

a partition plate 35 in the vertical direction is arranged in the box body 30, a screw rod 31 in the horizontal direction is arranged in the box body 30, one end of the screw rod 31 is rotatably connected with the inner wall of the box body 30, the other end of the screw rod 31 penetrates through the partition plate 35 and is connected with a fourth bevel gear 36, the screw rod 31 is rotatably connected with the partition plate 35, a moving block 32 is arranged in the box body 30, the screw rod 31 penetrates through the moving block 32 and is in threaded connection with the screw rod 31, two sides of the screw rod 31 are respectively provided with a limiting rod 37, the limiting rod 37 penetrates through the moving block 32, the moving block 32 can reciprocate left and right along the limiting rod 37, one end of the limiting rod 37 is connected with the inner wall of the box body 30, the other end of the limiting rod 37 is connected with the partition plate 35, a second opening 38 in the horizontal direction is arranged at the bottom end of the box body 30, and a third motor 39 is arranged at the bottom end of the moving block 32, the output shaft of the third motor 39 passes downward through the second opening 38 and is connected to the wiper 33.

The working principle and the beneficial effects of the technical scheme are as follows: after the sedimentation tank 3 runs for a period of time, a large amount of sludge is accumulated on the tank wall, the second motor 34 is started to drive the fourth bevel gear 36 to rotate, the fourth bevel gear 36 rotates around the third bevel gear 45 through meshing transmission between the fourth bevel gear 36 and the third bevel gear 45, the tank body 30 is driven to rotate around the fixed shaft 47, the steel brush 40 rotates around the fixed shaft 47, the steel brush 40 cleans the inner side wall of the sedimentation tank 3, the fourth bevel gear 36 drives the screw 31 to rotate, the moving block 32 moves left and right through thread transmission of the screw 31 and the moving block 32, the limiting rod 37 plays a role in limiting displacement, the moving block 32 is prevented from rotating, the moving block 32 can only move left and right along the limiting rod 37, the moving block 32 drives the third motor 39 and the sweeper 33 to move along the opening 38, the third motor 39 is started to drive the sweeper 33 to rotate, the sweeper 33 rotates while reciprocating left and right along the limiting rod 37, clear up 3 bottom inner walls of sedimentation tank, simple structure, the clearance is convenient, and the cleaning efficiency is high.

In one embodiment, the water outlets of the biochemical pond 2, the filtration pond 4 and the clean water pond 5 are respectively provided with an electromagnetic valve 46, the outer walls of the biochemical pond 2, the filtration pond 4 and the clean water pond 5 are respectively provided with a processor 41 and an alarm 42, the PH sensor is electrically connected with the processor 41, the processor 41 is respectively electrically connected with the alarm 42 and the electromagnetic valve 46, the turbidity sensor is electrically connected with the processor 41, and the residual chlorine sensor is electrically connected with the processor 41.

The working principle and the beneficial effects of the technical scheme are as follows: the PH sensor detects the sewage that biochemical pond 2 was handled and is accomplished, the turbidity sensor detects the sewage that filtering ponds 4 was handled and is accomplished, and the chlorine residue sensor detects the sewage that clean water basin 5 was handled and is accomplished, if it is qualified to detect the index, treater 41 control solenoid valve 46 opens, and sewage gets into next process and handles, if it is unqualified to detect the index, treater 41 control solenoid valve 46 closes, and alarm 42 sends the police dispatch newspaper sound, reminds the workman to handle before, guarantees that sewage treatment is qualified.

It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. A municipal sewage microbial treatment and sewage regeneration system, comprising: solid-liquid separation pond (1), biochemical pond (2), sedimentation tank (3), filtering ponds (4), clean water basin (5), sludge impoundment (6), solid-liquid separation pond (1) is located the delivery port below of sewer line (7), solid-liquid separation pond (1) one side with biochemical pond (2) water inlet intercommunication, biochemical pond (2) delivery port with sedimentation tank (3) water inlet intercommunication, sedimentation tank (3) delivery port with filtering ponds (4) water inlet intercommunication, filtering ponds (4) delivery port with clean water basin (5) water inlet intercommunication, inhale thick liquid ware (49) one end with sludge impoundment (6) intercommunication, inhale thick liquid ware (49) other end respectively with biochemical pond (2), sedimentation tank (3) intercommunication.

2. The municipal sewage microbial treatment and sewage regeneration system according to claim 1, wherein vertical guide rails (8) are respectively disposed on the inner walls of both sides of the solid-liquid separation tank (1), a filter screen (9) is disposed in the solid-liquid separation tank (1), and the filter screen (9) can reciprocate on the guide rails (8).

3. The municipal sewage microbial treatment and sewage regeneration system according to claim 1, wherein a flocculant dispenser (44) is disposed at the water inlet of the biochemical tank (2), a quartz sand filter layer (10) and an activated carbon filter layer (11) are sequentially disposed in the biochemical tank (2), an ozone releaser (12) is disposed in the biochemical tank (2), the ozone releaser (12) is disposed between the flocculant dispenser (44) and the quartz sand filter layer (10), and a PH sensor is disposed at the water outlet of the biochemical tank (2).

4. The microbial urban sewage treatment and sewage regeneration system according to claim 1, wherein a plurality of activated carbon adsorption layers (13) are arranged in the filter tank (4), and a turbidity sensor is arranged at the water outlet of the filter tank (4).

5. The municipal sewage microbial treatment and sewage regeneration system according to claim 1, wherein the outlet of said clean water tank (5) is connected to the inlet of said landscape water tank (14), said clean water tank (5) is provided with a disinfectant dispenser (15), and the outlet of said clean water tank (5) is provided with a residual chlorine sensor.

6. The municipal sewage microbial treatment and sewage regeneration system according to claim 5, further comprising an agitation means, said agitation means comprising: the device comprises a transmission case (16), a U-shaped groove body (17), a rotating shaft (18), a supporting seat (19), a first motor (20), a first bevel gear (21), a main shaft (22), a worm gear reducer (23) and a second bevel gear (24);

the outer wall of one side of the clean water tank (5) is provided with a transmission case (16), a U-shaped tank body (17) is arranged in the transmission case (16), a rotating shaft (18) in the vertical direction is arranged at the bottom end of the U-shaped tank body (17), one end of the rotating shaft (18) is rotatably connected with the U-shaped tank body (17), the other end of the rotating shaft (18) is connected with the bottom of the inner wall of the transmission case (16), supporting seats (19) are respectively arranged on the left side and the right side of the top end of the U-shaped tank body (17), a first motor (20) is arranged at the bottom of the inner wall of the U-shaped tank body (17), an output shaft of the first motor (20) is upwards coaxially connected with a first bevel gear (21), one end of a main shaft (22) in the horizontal direction sequentially penetrates through the two supporting seats (19), a first opening (48) in the clean water tank (5) is extended into the clean water tank (5) to be connected with stirring fan blades (43), the other end of the main shaft (22) is connected with the input end of a worm gear reducer (23), a second bevel gear (24) is coaxially arranged on the main shaft (22), the second bevel gear (24) is positioned between the two supporting seats (19), and the first bevel gear (21) is meshed with the second bevel gear (24);

the outer wall of worm gear reduction gear (23) is connected with L type connecting rod (25) one end, L type connecting rod (25) other end with the outer wall connection of U type cell body (17), the output of worm gear reduction gear (23) down with plectane (26) coaxial coupling, the bottom of plectane (26) is provided with eccentric post (27), rocker (29) one end with pivot (18) lower extreme rotates to be connected, rocker (29) other end with eccentric post (27) rotate to be connected.

7. The municipal sewage microbial treatment and sewage regeneration system according to claim 6, wherein a fan (28) is disposed on said main shaft (22), said fan (28) being located within said U-shaped tank (17).

8. The microbial municipal sewage treatment and sewage regeneration system according to claim 1, further comprising a wall cleaning apparatus, said wall cleaning apparatus comprising: a box body (30), a screw rod (31), a moving block (32) and a sweeper (33),

a box body (30) is arranged at the bottom of the sedimentation tank (3), a fixed shaft (47) in the vertical direction is arranged on the inner wall of the bottom end of the sedimentation tank (3), one end of the fixed shaft (47) is connected with the inner wall of the bottom end of the sedimentation tank (3), the other end of the fixed shaft (47) extends into the box body (30) and is connected with a third bevel gear (45), the fixed shaft (47) is rotationally connected with the bottom wall of the box body (30), a steel brush (40) is arranged on the outer wall of one side of the box body (30) close to the inner wall of the sedimentation tank (3), a second motor (34) is arranged on the inner wall of one side of the box body (30) far away from the steel brush (40), the output shaft of the second motor (34) faces the steel brush (40) and is connected with a fourth bevel gear (36), the fourth bevel gear (36) is located above the third bevel gear (45), the third bevel gear (45) and the fourth bevel gear (36) are meshed with each other;

a partition plate (35) in the vertical direction is arranged in the box body (30), a screw rod (31) in the horizontal direction is arranged in the box body (30), one end of the screw rod (31) is rotatably connected with the inner wall of the box body (30), the other end of the screw rod (31) penetrates through the partition plate (35) to be connected with a fourth bevel gear (36), the screw rod (31) is rotatably connected with the partition plate (35), a moving block (32) is arranged in the box body (30), the screw rod (31) penetrates through the moving block (32) and is in threaded connection with the screw rod (31), limiting rods (37) are respectively arranged on two sides of the screw rod (31), the limiting rods (37) penetrate through the moving block (32), the moving block (32) can reciprocate left and right along the limiting rods (37), one end of each limiting rod (37) is connected with the inner wall of the box body (30), the other end of the limiting rod (37) is connected with the partition plate (35), a second opening (38) in the horizontal direction is formed in the bottom end of the box body (30), a third motor (39) is arranged at the bottom end of the moving block (32), and an output shaft of the third motor (39) penetrates through the second opening (38) downwards to be connected with the sweeping brush (33).

9. The system for microbial treatment and sewage regeneration of municipal sewage according to claim 1, wherein the water outlets of the biochemical tank (2), the filtration tank (4) and the clean water tank (5) are respectively provided with an electromagnetic valve (46), the outer walls of the biochemical tank (2), the filtration tank (4) and the clean water tank (5) are respectively provided with a processor (41) and an alarm (42), the PH sensor is electrically connected with the processor (41), the processor (41) is respectively electrically connected with the alarm (42) and the electromagnetic valve (46), the turbidity sensor is electrically connected with the processor (41), and the residual chlorine sensor is electrically connected with the processor (41).