CN214936862U

CN214936862U - A/O-PSB sewage treatment device

Info

Publication number: CN214936862U
Application number: CN202121079075.5U
Authority: CN
Inventors: 张海洲; 雍宇; 赵高纯; 牛学文
Original assignee: Shanghai Yumu Environmental Technology Co ltd
Current assignee: Shanghai Yumu Environmental Technology Co ltd
Priority date: 2021-05-19
Filing date: 2021-05-19
Publication date: 2021-11-30
Anticipated expiration: 2031-05-19

Abstract

The utility model discloses a AO-PSB sewage treatment plant, comprising a main body, one side of main part is provided with primary sedimentation tank, primary sedimentation tank's left side outer wall department has seted up the water inlet, the right side that the main part is close to primary sedimentation tank is connected with the anaerobism pond, wherein, the inside in anaerobism pond is provided with the water pump, the top of water pump is connected with the drinking-water pipe, the exhaust outlet has been seted up at the top in anaerobism pond. The utility model discloses a set up photosynthetic bacteria, when sewage was pumped to the aerobic tank in through the drinking-water pipe in the anaerobism pond, add the photosynthetic bacteria of domestication in the aerobic tank, aeration machine begins work simultaneously, the air flows in the inside of intake pipe through the connecting pipe, and flow out in the aerobic tank through the gas outlet of intake pipe department, it rotates to drive the intake pipe through the turbine simultaneously, the intake pipe drives first stirring rake and rotates, make inside photosynthetic bacteria and the sewage intensive mixing in the aerobic tank, COD has been increased, BOD's clearance, effectively degrade aquatic pollutant.

Description

A/O-PSB sewage treatment device

Technical Field

The utility model relates to a sewage treatment device technical field specifically is an AO-PSB sewage treatment plant.

Background

With the rapid development of economic society and the acceleration of industrialization process, the water demand is increasing day by day, water resources become important factors restricting social development, and in the existing urban sewage treatment plant in China, when domestic wastewater or industrial wastewater rich in N, P elements enters natural water bodies, eutrophication pollution of the water bodies can be caused, and the A/O sewage treatment process is one of the most widely applied nitrogen and phosphorus removal processes at present.

Although the existing A/O sewage treatment devices have a large number of types and numbers, the existing A/O sewage treatment devices still have certain problems and bring certain inconvenience to the use of the A/O sewage treatment devices.

However, most a/O sewage treatment devices have low removal rate of COD and BOD during the use process, so that the sewage treatment effect is poor, and the use effect is affected, therefore, a technology for improving the structure of the a/O sewage treatment device is urgently needed to perfect the device.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an AO-PSB sewage treatment plant has solved AO sewage treatment plant and is using the in-process, and is less to COD, BOD's clearance for sewage treatment is relatively poor, influences the problem of result of use.

In order to achieve the above object, the utility model provides a following technical scheme: an A/O-PSB sewage treatment device comprises a main body, wherein a primary sedimentation tank is arranged on one side of the main body, a water inlet is formed in the outer wall of the left side of the primary sedimentation tank, an anaerobic tank is connected to the right side of the main body, which is close to the primary sedimentation tank, wherein,

the inside in anaerobism pond is provided with the water pump, the top of water pump is connected with the drinking-water pipe, waste gas outlet has been seted up at the top in anaerobism pond, the right side that the main part is close to the anaerobism pond is connected with good oxygen pond, the light is installed to the roof both sides in good oxygen pond, be provided with aeration equipment in the good oxygen pond, the inside in good oxygen pond is provided with photosynthetic bacteria, one side that the anaerobism pond was kept away from in good oxygen pond is connected with the second grade sedimentation tank, the inside in second grade sedimentation tank is provided with the sediment device, the right side that the main part is close to the second grade sedimentation tank is connected with the clean water basin, the delivery port has been seted up in the right side outer wall department in clean water basin.

Preferably, circulation ports are formed between the primary sedimentation tank and the anaerobic tank, between the anaerobic tank and the aerobic tank, between the aerobic tank and the secondary sedimentation tank and between the secondary sedimentation tank and the clean water tank.

Preferably, the water pumping pipe penetrates through the inner wall of the left side of the aerobic tank.

Preferably, an aerator is arranged in the middle of the top end of the aerobic tank, a connecting pipe is fixed at the bottom end of the aerator and penetrates through the top wall of the aerobic tank, an air inlet pipe is arranged at the bottom end of the connecting pipe, a turbine is arranged inside the air inlet pipe, a first stirring paddle is fixed on the outer side of the lower portion of the air inlet pipe, and an air outlet is formed in one side, close to the first stirring paddle, of the air inlet pipe.

Preferably, the connecting pipe and the air inlet pipe form a rotary connection.

Preferably, the middle part of the top end of the secondary sedimentation tank is provided with a motor, and a second stirring paddle is fixed outside the shaft end of the motor.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a set up photosynthetic bacteria, when sewage was pumped to the aerobic tank in through the drinking-water pipe in the anaerobism pond, add the photosynthetic bacteria of domestication in the aerobic tank, aeration machine begins work simultaneously, the air flows in the inside of intake pipe through the connecting pipe, and flow out in the aerobic tank through the gas outlet of intake pipe department, it rotates to drive the intake pipe through the turbine simultaneously, the intake pipe drives first stirring rake and rotates, make inside photosynthetic bacteria and the sewage intensive mixing in the aerobic tank, COD has been increased, BOD's clearance, effectively degrade aquatic pollutant.

2. The utility model discloses a set up the second stirring rake, when rivers enter into second grade sedimentation tank department in the aerobic tank, the motor begins work, and the motor drives the second stirring rake and rotates, and the second stirring rake carries out rapid mixing to rivers in the second grade sedimentation tank for suspended solid in the rivers gathers together towards the centre in the second grade sedimentation tank, and the sedimentation rate of suspended solid shortens water dwell time, facilitates the use.

Drawings

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

FIG. 2 is a schematic view of a partial enlarged structure at A in FIG. 1 according to the present invention;

fig. 3 is a schematic view of a part of the enlarged structure at B in fig. 1 according to the present invention.

In the figure: 1. a main body; 2. a primary sedimentation tank; 3. a water inlet; 4. an anaerobic tank; 5. a water pump; 6. a water pumping pipe; 7. an exhaust gas outlet; 8. an aerobic tank; 9. a light; 10. an aerator; 11. a connecting pipe; 12. an air inlet pipe; 13. a turbine; 14. a first stirring paddle; 15. an air outlet; 16. photosynthetic bacteria; 17. a secondary sedimentation tank; 18. a motor; 19. a second stirring paddle; 20. a clean water tank; 21. and (7) a water outlet.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 3, the present invention provides a technical solution: an A/O-PSB sewage treatment device comprises a main body 1, a primary sedimentation tank 2, a water inlet 3, an anaerobic tank 4, a water pump 5, a water pumping pipe 6, a waste gas outlet 7, an aerobic tank 8, a floodlight 9, an aerator 10, a connecting pipe 11, an air inlet pipe 12, a turbine 13, a first stirring paddle 14, an air outlet 15, photosynthetic bacteria 16, a secondary sedimentation tank 17, a motor 18, a second stirring paddle 19, a clean water tank 20 and a water outlet 21, wherein the primary sedimentation tank 2 is arranged on one side of the main body 1, flow openings are respectively formed between the primary sedimentation tank 2 and the anaerobic tank 4, between the anaerobic tank 4 and the aerobic tank 8, between the aerobic tank 8 and the secondary sedimentation tank 17 and between the secondary sedimentation tank 17 and the clean water tank 20, the water inlet 3 is formed in the outer wall of the left side of the primary sedimentation tank 2, the anaerobic tank 4 is connected to the main body 1 close to the right side of the primary sedimentation tank 2,

a water pump 5 is arranged in the anaerobic tank 4, a water pumping pipe 6 is connected to the top end of the water pump 5, the water pumping pipe 6 penetrates through the inner wall of the left side of the aerobic tank 8, a waste gas outlet 7 is formed in the top of the anaerobic tank 4, the right side of the main body 1, which is close to the anaerobic tank 4, is connected with the aerobic tank 8, illuminating lamps 9 are installed on two sides of the top wall of the aerobic tank 8, an aeration device is arranged in the aerobic tank 8, an aerator 10 is arranged in the middle of the top end of the aerobic tank 8, a connecting pipe 11 is fixed at the bottom end of the aerator 10, the connecting pipe 11 penetrates through the top wall of the aerobic tank 8, an air inlet pipe 12 is arranged at the bottom end of the connecting pipe 11, a turbine 13 is arranged in the air inlet pipe 12, a first stirring paddle 14 is fixed on the outer side of the lower portion of the air inlet pipe 12, and an air outlet 15 is formed in one side, which is close to the first stirring paddle 14, the connecting pipe 11 and the air inlet pipe 12 form a rotary connection;

when sewage is pumped into the aerobic tank 8 through the water pumping pipe 6 in the anaerobic tank 4, domesticated photosynthetic bacteria 16 are added into the aerobic tank 8, the aerator 10 starts to work, air flows into the air inlet pipe 12 through the connecting pipe 11 and flows out of the aerobic tank 8 through the air outlet 15 at the air inlet pipe 12, the air inlet pipe 12 is driven to rotate through the turbine 13, the air inlet pipe 12 drives the first stirring paddle 14 to rotate, so that the photosynthetic bacteria 16 in the aerobic tank 8 are fully mixed with the sewage, the removal rate of COD and BOD is increased, and pollutants in the water are effectively degraded;

photosynthetic bacteria 16 are arranged in the aerobic tank 8, a secondary sedimentation tank 17 is connected with one side of the aerobic tank 8 far away from the anaerobic tank 4, a sedimentation device is arranged in the secondary sedimentation tank 17, a motor 18 is arranged in the middle of the top end of the secondary sedimentation tank 17, a second stirring paddle 19 is fixed outside the shaft end of the motor 18, when the water flow in the aerobic tank 8 enters the secondary sedimentation tank 17, the motor 18 starts to work, the motor 18 drives the second stirring paddle 19 to rotate, the second stirring paddle 19 quickly stirs the water flow in the secondary sedimentation tank 17, the suspended matters in the water flow in the secondary sedimentation tank 17 are gathered towards the middle, the sedimentation rate of the suspended matters is accelerated, the retention time of the water body is shortened, the use is convenient, the right side of the main body 1 close to the secondary sedimentation tank 17 is connected with a clean water tank 20, and the outer wall of the right side of the clean water tank 20 is provided with a water outlet 21.

The working principle is as follows: when the A/O-PSB sewage treatment device is used, firstly, sewage is put into a primary sedimentation tank 2 from a water inlet 3, flows into an anaerobic tank 4 after primary sedimentation, when the sewage is pumped into an aerobic tank 8 through a water pumping pipe 6 in the anaerobic tank 4, domesticated photosynthetic bacteria 16 are added into the aerobic tank 8, an aerator 10 starts to work, air flows into an air inlet pipe 12 through a connecting pipe 11 and flows out of the aerobic tank 8 through an air outlet 15 at the air inlet pipe 12, the air inlet pipe 12 is driven to rotate through a turbine 13, the air inlet pipe 12 drives a first stirring paddle 14 to rotate, so that the photosynthetic bacteria 16 in the aerobic tank 8 are fully mixed with the sewage, the removal rate of COD and BOD is increased, and pollutants in the water are effectively degraded;

then, rivers enter into the inside of second grade sedimentation tank 17 in the good oxygen pond 8, motor 18 begins work, motor 18 drives second stirring rake 19 and rotates, second stirring rake 19 carries out rapid mixing to rivers in the second grade sedimentation tank 17 for the suspended solid in the rivers gathers together towards the centre in the second grade sedimentation tank 17, accelerate the sedimentation rate of suspended solid, shorten water dwell time, facilitate the use, rivers after the secondary sedimentation flow into the clean water basin 20 from second grade sedimentation tank 17 in, and finally, rivers flow out from the delivery port 21 of clean water basin 20 department.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An A/O-PSB sewage treatment device, which comprises a main body (1), and is characterized in that: a primary sedimentation tank (2) is arranged on one side of the main body (1), a water inlet (3) is arranged on the outer wall of the left side of the primary sedimentation tank (2), an anaerobic tank (4) is connected on the right side of the main body (1) close to the primary sedimentation tank (2),

a water pump (5) is arranged inside the anaerobic tank (4), the top end of the water pump (5) is connected with a water pumping pipe (6), a waste gas outlet (7) is arranged at the top of the anaerobic tank (4), an aerobic tank (8) is connected to the right side of the main body (1) close to the anaerobic tank (4), light lamps (9) are arranged on two sides of the top wall of the aerobic tank (8), an aeration device is arranged in the aerobic tank (8), photosynthetic bacteria (16) are arranged in the aerobic tank (8), a secondary sedimentation tank (17) is connected with one side of the aerobic tank (8) far away from the anaerobic tank (4), a sedimentation device is arranged in the secondary sedimentation tank (17), a clean water tank (20) is connected to the right side of the main body (1) close to the secondary sedimentation tank (17), a water outlet (21) is arranged on the outer wall of the right side of the clean water tank (20).

2. The a/O-PSB wastewater treatment plant according to claim 1, wherein: circulation openings are formed between the primary sedimentation tank (2) and the anaerobic tank (4), between the anaerobic tank (4) and the aerobic tank (8), between the aerobic tank (8) and the secondary sedimentation tank (17), and between the secondary sedimentation tank (17) and the clean water tank (20).

3. The a/O-PSB wastewater treatment plant according to claim 1, wherein: the water pumping pipe (6) penetrates through the inner wall of the left side of the aerobic tank (8).

4. The a/O-PSB wastewater treatment plant according to claim 1, wherein: the aeration device comprises an aerator (10), a connecting pipe (11), an air inlet pipe (12), a turbine (13), a first stirring paddle (14) and an air outlet (15), wherein the aerator (10) is arranged in the middle of the top end of the aerobic tank (8), the connecting pipe (11) is fixed at the bottom end of the aerator (10), the connecting pipe (11) penetrates through the top wall of the aerobic tank (8), the air inlet pipe (12) is arranged at the bottom end of the connecting pipe (11), the turbine (13) is arranged inside the air inlet pipe (12), the first stirring paddle (14) is fixed at the outer side of the lower part of the air inlet pipe (12), and the air outlet (15) is formed in one side, close to the first stirring paddle (14), of the air inlet pipe (12).

5. The A/O-PSB sewage treatment plant according to claim 4, characterized in that: the connecting pipe (11) and the air inlet pipe (12) form rotary connection.

6. The a/O-PSB wastewater treatment plant according to claim 1, wherein: the sedimentation device comprises a motor (18) and a second stirring paddle (19), the motor (18) is arranged in the middle of the top end of the secondary sedimentation tank (17), and the second stirring paddle (19) is fixed outside the shaft end of the motor (18).