CN212269802U

CN212269802U - Sewage treatment equipment

Info

Publication number: CN212269802U
Application number: CN202020873782.0U
Authority: CN
Inventors: 宋超; 梁思懿
Original assignee: Capital Engineering & Research Inc Ltd
Current assignee: Capital Engineering & Research Inc Ltd
Priority date: 2020-05-22
Filing date: 2020-05-22
Publication date: 2021-01-01
Anticipated expiration: 2030-05-22

Abstract

The utility model discloses a sewage treatment device, hold the district including a plurality of sewage that communicate in proper order, a plurality of sewage hold the district and are anaerobic zone (1), anoxic zone (3), aerobic zone (5), first stirring district (8) and second stirring district (10) in proper order, and second stirring district (10) contain water distribution part (12), mud-water separation magnetism flocculation device (13) and muddy water hold up tank (17) that set gradually from the top down outward, and water distribution part (12) are connected with second stirring district (10). This sewage treatment device can be used for pollutants such as COD, ammonia nitrogen, total phosphorus and suspended solid to handle among the domestic sewage, and this sewage treatment plant can reduce the medicine and throw the volume and reduce the basis of maintaining the work load on, to the treatment effect of sewage, very big reduction operation cost. The utility model discloses can guarantee that it is up to standard to go out water when the inflow is unstable, and turbidity change is big.

Description

Sewage treatment equipment

Technical Field

The utility model relates to a sewage treatment device.

Background

The removal of contaminants and suspended matter from wastewater is a problem often encountered in wastewater treatment processes. The removal effect is improved, the effect and the cost of the treatment process are related, and the method has very important significance in the aspects of energy conservation, environmental protection and the like. The solid is difficult to be separated completely by using a sedimentation separation method of a common sewage treatment device, and the dosage is higher. In addition, the conventional sedimentation separation method has the defects of long liquid retention time, large occupied area of equipment and the like. In order to further purify liquid, filtration operations such as sand filtration and filter pressing are often combined in the process. The sand filter has simple structure, easy-to-take filter material, but lower general treatment capacity, complicated cleaning and larger power consumption of filter pressing, and is not economical and complex in equipment when a large amount of sewage is treated.

SUMMERY OF THE UTILITY MODEL

In order to solve the unsatisfactory problem of current sewage treatment plant treatment effect, the utility model provides a sewage treatment device is passed in this sewage treatment device fungible, can be on the basis of guaranteeing pollutant removal rate in the sewage, increase the effect of getting rid of total phosphorus and suspended solid in the sewage, on the basis that the volume is put into to the reduction medicine, improve the treatment effect to sewage, very big reduction operation cost, when the suspended solid exceeds standard for a short time, can guarantee equally that it is up to standard to go out water.

The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a sewage treatment equipment, holds the district including a plurality of sewage that communicate in proper order, a plurality of sewage hold the district and be anaerobic zone, anoxic zone, aerobic zone, first stirring district and second stirring district in proper order, be equipped with the pneumatic agitating unit in anaerobic zone in the anaerobic zone, be equipped with the pneumatic agitating unit in anoxic zone in the anoxic zone, be equipped with aerobic zone aeration equipment in the aerobic zone, be equipped with first agitating unit in the first stirring district, be equipped with second agitating unit in the second stirring district, the second stirring district contains the water distribution part that sets gradually from the top down outward, mud-water separation magnetism flocculation device and muddy water hold up tank, the water distribution part is connected with second stirring district.

The lower part of the anaerobic zone is provided with a water inlet, the pneumatic stirring device of the anaerobic zone comprises an anaerobic zone gas injection main pipeline and an anaerobic zone gas injection branch pipeline which are sequentially connected, the anaerobic zone gas injection branch pipeline is positioned at the bottom of the anaerobic zone, and the anaerobic zone gas injection branch pipeline is provided with a plurality of exhaust holes.

A first separation side wall is arranged between the anaerobic zone and the anoxic zone, an anaerobic water outlet is arranged at the upper part of the first separation side wall, a first partition plate is arranged in the anoxic zone, a space is reserved between the lower end of the first partition plate and the lower surface of the anoxic zone, a first flow guide channel is formed between the first partition plate and the first separation side wall, and sewage discharged from the anaerobic water outlet can flow to the bottom of the anoxic zone through the first flow guide channel; the anoxic zone pneumatic stirring device comprises an anoxic zone gas injection main pipeline and an anoxic zone gas injection branch pipeline which are sequentially connected, wherein the anoxic zone gas injection branch pipeline is positioned at the bottom of the anoxic zone, and a plurality of exhaust holes are formed in the anoxic zone gas injection branch pipeline.

A second partition side wall is arranged between the anoxic zone and the aerobic zone, an anoxic water outlet is arranged at the upper part of the second partition side wall, a second partition plate is arranged in the aerobic zone, a space is reserved between the lower end of the second partition plate and the lower surface of the aerobic zone, a second flow guide channel is formed between the second partition plate and the second partition side wall, and sewage discharged by the anoxic water outlet can flow to the bottom of the aerobic zone through the second flow guide channel; the aerobic zone aeration device comprises an aerobic zone gas injection main pipeline and an aerobic zone gas injection branch pipeline which are sequentially connected, wherein the aerobic zone gas injection branch pipeline is positioned at the bottom of the aerobic zone, and a plurality of aeration device mechanisms are arranged on the aerobic zone gas injection branch pipeline.

Be equipped with the third separation lateral wall between good oxygen district and the first stirring district, the upper portion of third separation lateral wall is equipped with good oxygen outlet, is equipped with the third baffle in the first stirring district, has the interval between the lower extreme of third baffle and the lower surface in first stirring district, forms the third water conservancy diversion passageway between third baffle and the third separation lateral wall, and the bottom in first stirring district can be flowed through this third water conservancy diversion passageway to good oxygen outlet exhaust sewage, is equipped with first dosing pipe in this third water conservancy diversion passageway.

Be equipped with the fourth between first stirring district and the second stirring district and separate the lateral wall, the upper portion that the fourth separates the lateral wall is equipped with first stirring outlet, be equipped with the fourth baffle in the second stirring district, there is the interval between the lower extreme of fourth baffle and the lower surface in second stirring district, form fourth water conservancy diversion passageway between fourth baffle and the fourth partition lateral wall, the bottom that the first stirring outlet exhaust sewage can flow the second stirring district through this fourth water conservancy diversion passageway, be equipped with the second in this fourth water conservancy diversion passageway and add the pencil.

The upper part of the second stirring area is provided with a second stirring water outlet, the inlet end of the water distribution component is connected with the second stirring water outlet, and the outlet end of the water distribution component faces the mud-water separation magnetic flocculation device.

Contain the fifth baffle in the muddy water holding vessel, be separated by the fifth baffle in the muddy water holding vessel and form and contain magnetism mud storage area and clear water storage area, mud-water separation magnetism flocculation device can be with containing magnetism mud mixed liquid separation for containing magnetism mud and clear water, mud-water separation magnetism flocculation device separation the magnetism mud can get into this magnetism mud storage area, mud-water separation magnetism flocculation device separation the clear water can get into this clear water storage area.

The lower part of the muddy water storage tank is provided with a water outlet and a sludge discharge port, the water outlet is communicated with the clear water storage area, and the sludge discharge port is communicated with the magnetic sludge storage area.

Sewage treatment device still includes magnetic separation magnetism flocculation device, and magnetic separation magnetism flocculation device can with contain magnetism mud separation for mud and magnetic carrier granule, the mud discharge mouth passes through the impeller pump and arranges the mud pipeline and be connected with magnetic separation magnetism flocculation device, and the discharge of mud discharge mouth contains magnetism mud and can carry to magnetic separation magnetism flocculation device, and magnetic separation magnetism flocculation device is located the top in first stirring district, and magnetic separation magnetism flocculation device separates the magnetic carrier granule can be put in to first stirring district.

The utility model has the advantages that:

1. on the basis of ensuring the biochemical treatment effect, the coagulating sedimentation treatment efficiency can be increased, and the equipment size is reduced.

2. The application of the magnetic separation technology can reduce the dosage of the medicament and has low operation cost.

3. The mud-water separation effect is good, and the sewage treatment effect is good.

4. Can adapt to the great change of the content of suspended substances in the sewage.

Drawings

The accompanying drawings, which form a part of the present application, 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 invention and not to limit the invention.

FIG. 1 is a schematic structural view of the sewage treatment apparatus of the present invention.

FIG. 2 is a schematic view of an anaerobic zone pneumatic stirring apparatus.

FIG. 3 is a schematic view of a pneumatic stirring device in an anoxic zone.

Fig. 4 is a schematic view of an aerobic zone aeration apparatus.

FIG. 5 is a schematic view of the connection between the slurry storage tank and the magnetic powder separation magnetic flocculation apparatus.

1. An anaerobic zone; 2. an anaerobic zone pneumatic stirring device; 3. an anoxic zone; 4. a pneumatic stirring device in the anoxic zone; 5. an aerobic zone; 6. an aerobic zone aeration device; 7. a magnetic flocculation device for separating magnetic powder; 8. a first agitation zone; 9. a first stirring device; 10. a second agitation zone; 11. a second stirring device; 12. a water distribution part; 13. a mud-water separation magnetic flocculation device; 14. a water inlet; 15. a water outlet; 16. a sludge discharge port; 17. a muddy water storage tank; 18. a first dosing tube; 19. a second dosing tube; 20. a rotor pump; 21. a sludge discharge pipeline;

201. a main gas injection pipeline of the anaerobic zone; 202. a branch gas injection pipeline of the anaerobic zone;

301. a first spaced sidewall; 302. an anaerobic water outlet; 303. a first separator;

401. a main gas injection pipeline in the anoxic zone; 402. a branch gas injection pipeline in the anoxic zone;

501. a second partition sidewall; 502. an anoxic water outlet; 503. a second separator;

601. a main gas injection pipeline in the aerobic zone; 602. a branch gas injection pipeline is arranged in the aerobic zone; 603. an aeration device mechanism;

701. a telescopic rod;

801. a third partition sidewall; 802. an aerobic water outlet; 803. a third partition plate;

1001. a fourth partition sidewall; 1002. a first stirring water discharge port; 1003. a fourth separator;

1701. and a fifth separator.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

The utility model provides a sewage treatment equipment, holds the district including a plurality of sewage that communicate in proper order, a plurality of sewage hold the district and are anaerobic zone 1, anoxic zone 3, aerobic zone 5, first stirring district 8 and second stirring district 10 respectively in proper order, be equipped with anaerobic zone pneumatic stirring device 2 in the anaerobic zone 1, be equipped with anoxic zone pneumatic stirring device 4 in the anoxic zone 3, be equipped with aerobic zone aeration equipment 6 in the aerobic zone 5, be equipped with first agitating unit 9 in the first stirring district 8, be equipped with second agitating unit 11 in the second stirring district 10, second stirring district 10 contains water distribution part 12, mud-water separation magnetic flocculation device 13 and muddy water holding tank 17 that from the top down set gradually outward, water distribution part 12 is connected with second stirring district 10, as shown in fig. 1-4.

In this embodiment, a water inlet 14 is provided at the lower part of the anaerobic zone 1, the pneumatic stirring device 2 for anaerobic zone comprises a main anaerobic zone gas injection pipeline 201 and a branch anaerobic zone gas injection pipeline 202, which are connected in sequence, the branch anaerobic zone gas injection pipeline 202 is located in the bottom of the anaerobic zone 1, and a plurality of exhaust holes are provided on the branch anaerobic zone gas injection pipeline 202. The main anaerobic zone gas injection pipe 201 is in an upright state, and the branch anaerobic zone gas injection pipe 202 is in a horizontal state, as shown in fig. 2. The pneumatic stirring device 2 in the anaerobic zone can realize pneumatic stirring in sewage.

In this embodiment, a first partition sidewall 301 is disposed between the anaerobic zone 1 and the anoxic zone 3, an anaerobic water outlet 302 is disposed on an upper portion of the first partition sidewall 301, a first partition plate 303 is disposed in the anoxic zone 3, a space exists between a lower end of the first partition plate 303 and a lower surface of the anoxic zone 3, a first flow guide channel is formed between the first partition plate 303 and the first partition sidewall 301, and sewage discharged from the anaerobic water outlet 302 can flow to a bottom of the anoxic zone 3 through the first flow guide channel.

The anoxic zone pneumatic stirring device 4 comprises an anoxic zone gas injection main pipe 401 and an anoxic zone gas injection branch pipe 402 which are connected in sequence, the anoxic zone gas injection branch pipe 402 is positioned at the bottom of the anoxic zone 3, and a plurality of exhaust holes are formed in the anoxic zone gas injection branch pipe 402. The main anoxic zone gas injection pipe 401 is in an upright state, and the branch anoxic zone gas injection pipe 402 is in a horizontal state, as shown in fig. 3. The pneumatic stirring device 4 in the anoxic zone can realize pneumatic stirring in sewage.

In this embodiment, a second partition sidewall 501 is disposed between the anoxic zone 3 and the aerobic zone 5, an anoxic water outlet 502 is disposed at an upper portion of the second partition sidewall 501, a second partition 503 is disposed in the aerobic zone 5, a space exists between a lower end of the second partition 503 and a lower surface of the aerobic zone 5, a second diversion channel is formed between the second partition 503 and the second partition sidewall 501, and sewage discharged from the anoxic water outlet 502 can flow to a bottom of the aerobic zone 5 through the second diversion channel.

The aerobic zone aeration device 6 comprises an aerobic zone gas injection main pipe 601 and an aerobic zone gas injection branch pipe 602 which are connected in sequence, the aerobic zone gas injection branch pipe 602 is positioned in the bottom of the aerobic zone 5, and a plurality of aeration device mechanisms 603 are arranged on the aerobic zone gas injection branch pipe 602. The main gas injection pipe 601 of the aerobic zone is in an upright state, and the branch gas injection pipe 602 of the aerobic zone is in a horizontal state, as shown in fig. 4. The aerobic zone aeration device 6 can pneumatically agitate and control dissolved oxygen in the wastewater. Aerator mechanism 603 can be an existing commercially available product.

In this embodiment, a third partition sidewall 801 is disposed between the aerobic zone 5 and the first stirring zone 8, an aerobic drainage port 802 is disposed at an upper portion of the third partition sidewall 801, a third partition 803 is disposed in the first stirring zone 8, a space exists between a lower end of the third partition 803 and a lower surface of the first stirring zone 8, a third diversion channel is formed between the third partition 803 and the third partition sidewall 801, sewage discharged from the aerobic drainage port 802 can flow to a bottom of the first stirring zone 8 through the third diversion channel, and a first chemical feeding pipe 18 is disposed in the third diversion channel.

In this embodiment, a fourth partition sidewall 1001 is disposed between the first stirring area 8 and the second stirring area 10, a first stirring drainage port 1002 is disposed at an upper portion of the fourth partition sidewall 1001, a fourth partition 1003 is disposed in the second stirring area 10, a space exists between a lower end of the fourth partition 1003 and a lower surface of the second stirring area 10, a fourth diversion channel is formed between the fourth partition 1003 and the fourth partition sidewall 1001, sewage discharged from the first stirring drainage port 1002 can flow to a bottom of the second stirring area 10 through the fourth diversion channel, and a second chemical feeding pipe 19 is disposed in the fourth diversion channel, as shown in fig. 1.

The first dosing pipe 18 is used for adding coagulant agent into the first stirring area 8, the first stirring device 9 comprises a driving motor and a stirring paddle, and the first stirring device 9 can realize uniform mixing of the coagulant agent and sewage. The second medicine adding pipe 19 is used for adding a flocculating agent medicament into the second stirring area 10, the second stirring device 11 comprises a driving motor and a stirring paddle, and the second stirring device 11 can realize the uniform mixing of the flocculating agent medicament and sewage.

In this embodiment, the second stirring area 10 is provided with a second stirring drainage opening at the upper part thereof, the inlet end of the water distribution member 12 is connected with the second stirring drainage opening, and the outlet end of the water distribution member 12 faces the sludge-water separation magnetic flocculation device 13. The mixed liquid of the sludge containing magnetism discharged from the second stirring area 10 is conveyed to a mud-water separation magnetic flocculation device 13 through a water distribution part 12. The water distribution part 12 is a metal water flow groove and can realize the uniform water distribution of sewage.

In this embodiment, the muddy water storage tank 17 contains the fifth partition 1701, and the muddy water storage tank 17 is separated by the fifth partition 1701 and is formed magnetic sludge storage area and clear water storage area, and the muddy water separation magnetic flocculation device 13 can separate the magnetic sludge mixed liquid containing the discharge of the second stirring area 10 into magnetic sludge and clear water, and the magnetic sludge separated by the muddy water separation magnetic flocculation device 13 can enter the magnetic sludge storage area, and the clear water separated by the muddy water separation magnetic flocculation device 13 can enter the clear water storage area.

The sludge-water separation magnetic flocculation device 13 can be a product in the prior art, for example, the sludge-water separation magnetic flocculation device 13 can be a Chinese patent CN 109516532A published in 2019, 3 and 26, which is published in a liftable magnetic separator. The magnetic sludge storage area of the muddy water storage tank 17 is positioned right below the magnetic sludge discharge port of the muddy water separation magnetic flocculation device 13, and the clear water storage area of the muddy water storage tank 17 is positioned right below the clear water discharge port of the muddy water separation magnetic flocculation device 13.

In this embodiment, the lower part of the muddy water storage tank 17 is provided with a water outlet 15 and a sludge discharge port 16, the water outlet 15 is communicated with the clean water storage area, and the sludge discharge port 16 is communicated with the magnetic sludge storage area. The magnetic sludge in the magnetic sludge storage area of the muddy water storage tank 17 can be discharged through the sludge discharge port 16. The clean water in the clean water storage area of the muddy water storage tank 17 can be discharged through the water outlet 15.

In this embodiment, sewage treatment device still includes magnetic particle separation magnetism flocculation device 7, and row mud mouth 16 passes through rotor pump 20 and row mud pipeline 21 and is connected with magnetic particle separation magnetism flocculation device 7, and the entry end and the row mud mouth 16 of row mud pipeline 21 are connected, and row mud mouth 16 discharges contain magnetism mud and can carry to magnetic particle separation magnetism flocculation device 7, and magnetic particle separation magnetism flocculation device 7 can with contain magnetism mud separation for mud and magnetic carrier granule, magnetic particle separation magnetism flocculation device 7 is located the top of first stirring district 8, and magnetic particle separation magnetism flocculation device 7 separates magnetic carrier granule can be put in to first stirring district 8 in, as shown in fig. 1 and fig. 5.

The magnetic powder separation and magnetic flocculation device 7 can be a product in the prior art, for example, the magnetic powder separation and magnetic flocculation device 7 can be Chinese patent CN 109467170A published in 2019, 3 and 15, which is published as integrated equipment for breaking and separating magnetic flocs for sewage treatment. The middle part of magnetic particle separation magnetism flocculation device 7 is articulated with the upper end in first stirring district 8, and the edge of magnetic particle separation magnetism flocculation device 7 is articulated with the upper end in first stirring district 8 through telescopic link 701, and the inclination of magnetic particle separation magnetism flocculation device 7 can be adjusted. The outlet end of the sludge discharge pipeline 21 is connected with the feeding trough of the magnetic powder separation magnetic flocculation device 7, the rotor pump 20 can adopt the existing sludge pump, and the rotor pump 20 can break and transport the magnetic sludge.

In this embodiment, the volume of the anaerobic zone 1 is smaller than the volume of the anoxic zone 3, the volume of the anoxic zone 3 is smaller than the volume of the aerobic zone 5, the volume of the aerobic zone 5 is larger than the volume of the first stirring zone 8, the volume of the first stirring zone 8 is equal to the volume of the second stirring zone 10, and the volume of the anoxic zone 3 is slightly larger than the volume of the first stirring zone 8. The main gas injection pipe 201 of the anaerobic zone is externally connected with an air source, so that the dissolved oxygen in water is controlled by controlling the time length and interval time of ventilation to the air injected into the anaerobic zone 1, and an anaerobic zone is formed. The main anoxic zone gas injection pipeline 401 and the main aerobic zone gas injection pipeline 601 are both externally connected with required gas sources.

The operation of the sewage treatment apparatus will be described below.

Sewage enters the bottom of the anaerobic zone 1 from the water inlet 14, and the sewage is stirred under the action of the pneumatic stirring device 2 in the anaerobic zone, so that pollutants in the sewage can be removed. Then flows from the anaerobic water outlet 302 at the upper part of the anaerobic zone 1 to the bottom of the anoxic zone 3, and the sewage is stirred under the action of the pneumatic stirring device 4 of the anoxic zone, thus being beneficial to removing pollutants in the sewage. Then enters the bottom of the aerobic zone 5 from an anoxic water outlet 502 at the upper part of the anoxic zone 3, and the sewage is stirred under the action of the aerobic zone aeration device 6, which is beneficial to removing pollutants in the sewage. Then enters the bottom of the first stirring area 8 from an aerobic water outlet 802 at the upper part of the aerobic area 5, and simultaneously, a coagulant agent is injected into the first medicine adding pipe 18, and the coagulant agent and the sewage enter the first stirring area 8 together, so that the coagulant agent and the sewage are mixed under the action of the first stirring device 9. Then, the sewage enters the bottom of the second stirring area 10 from the first stirring water outlet 1002 at the upper part of the first stirring area 8, and simultaneously, the flocculant agent is injected into the second medicine adding pipe 19, so that the flocculant agent and the sewage are brought into the second stirring area 10, and the flocculant agent and the sewage are mixed under the action of the second stirring device 11, so that a magnetic sludge mixed solution is formed.

The mixed liquid containing magnetic sludge is uniformly distributed on the mud-water separation magnetic flocculation device 13 through the water distribution part 12 to realize mud-water separation, namely the mud-water separation magnetic flocculation device 13 separates the mixed liquid containing magnetic sludge into magnetic sludge and clear water, the clear water flows into a clear water storage area in the mud-water storage tank 17 and is then discharged from the water outlet 15, and the magnetic sludge flows into a magnetic sludge storage area of the mud-water storage tank 17 and is then discharged through the sludge discharge port 16.

This contain magnetism mud from row's mud mouth 16 discharge back, carry magnetic particle separation magnetism flocculation device 7 through row mud pipeline 21 under the effect of impeller pump 20, magnetic particle separation magnetism flocculation device 7 will contain magnetism mud separation for mud and magnetic carrier granule, this magnetic carrier granule falls into and recycles in first stirring district 8, and mud pulls away through the mud car and carries out mud innocent treatment.

The sewage treatment equipment combines A²Compared with the conventional sewage treatment device, the biochemical section of the O treatment process and the magnetic separation technology for separating mud and water have the following advantages:

The above description is only for the specific embodiments of the present invention, and the scope of the present invention can not be limited by the embodiments, so that the replacement of the equivalent components or the equivalent changes and modifications made according to the protection scope of the present invention should still belong to the scope covered by the present patent. In addition, the utility model provides an between technical feature and the technical feature, between technical feature and technical scheme, technical scheme and the technical scheme all can the independent assortment use.

Claims

1. A sewage treatment device is characterized by comprising a plurality of sewage containing areas which are communicated in sequence, a plurality of sewage hold the district and be anaerobic zone (1), anoxic zone (3), aerobic zone (5), first stirring district (8) and second stirring district (10) in proper order, be equipped with anaerobic zone pneumatic stirring device (2) in anaerobic zone (1), be equipped with anoxic zone pneumatic stirring device (4) in anoxic zone (3), be equipped with aerobic zone aeration equipment (6) in aerobic zone (5), be equipped with first agitating unit (9) in first stirring district (8), be equipped with second agitating unit (11) in second stirring district (10), second stirring district (10) contain water distribution part (12), muddy water separation magnetic flocculation device (13) and muddy water hold up tank (17) that set gradually from the top down outward, water distribution part (12) are connected with second stirring district (10).

2. The sewage treatment equipment according to claim 1, wherein the lower part of the anaerobic zone (1) is provided with a water inlet (14), the pneumatic anaerobic zone stirring device (2) comprises an anaerobic zone gas injection main pipe (201) and an anaerobic zone gas injection branch pipe (202) which are sequentially connected, the anaerobic zone gas injection branch pipe (202) is positioned at the bottom of the anaerobic zone (1), and the anaerobic zone gas injection branch pipe (202) is provided with a plurality of exhaust holes.

3. The sewage treatment equipment according to claim 1, wherein a first separation side wall (301) is arranged between the anaerobic zone (1) and the anoxic zone (3), an anaerobic water outlet (302) is arranged at the upper part of the first separation side wall (301), a first partition plate (303) is arranged in the anoxic zone (3), a distance is formed between the lower end of the first partition plate (303) and the lower surface of the anoxic zone (3), a first flow guide channel is formed between the first partition plate (303) and the first separation side wall (301), and sewage discharged from the anaerobic water outlet (302) can flow to the bottom of the anoxic zone (3) through the first flow guide channel; the anoxic zone pneumatic stirring device (4) comprises an anoxic zone gas injection main pipeline (401) and an anoxic zone gas injection branch pipeline (402) which are sequentially connected, the anoxic zone gas injection branch pipeline (402) is positioned at the bottom of the anoxic zone (3), and a plurality of exhaust holes are formed in the anoxic zone gas injection branch pipeline (402).

4. The sewage treatment apparatus according to claim 1, wherein a second partition sidewall (501) is provided between the anoxic zone (3) and the aerobic zone (5), an anoxic water outlet (502) is provided at an upper portion of the second partition sidewall (501), a second partition plate (503) is provided in the aerobic zone (5), a space is provided between a lower end of the second partition plate (503) and a lower surface of the aerobic zone (5), a second flow guide channel is formed between the second partition plate (503) and the second partition sidewall (501), and sewage discharged from the anoxic water outlet (502) can flow to a bottom of the aerobic zone (5); the aerobic zone aeration device (6) comprises an aerobic zone gas injection main pipeline (601) and an aerobic zone gas injection branch pipeline (602) which are sequentially connected, the aerobic zone gas injection branch pipeline (602) is positioned at the bottom of the aerobic zone (5), and a plurality of aeration device mechanisms (603) are arranged on the aerobic zone gas injection branch pipeline (602).

5. The sewage treatment apparatus according to claim 1, wherein a third partition wall (801) is provided between the aerobic zone (5) and the first stirring zone (8), an aerobic drainage port (802) is provided at an upper portion of the third partition wall (801), a third partition plate (803) is provided in the first stirring zone (8), a space is provided between a lower end of the third partition plate (803) and a lower surface of the first stirring zone (8), a third diversion channel is formed between the third partition plate (803) and the third partition wall (801), sewage discharged from the aerobic drainage port (802) can flow to a bottom of the first stirring zone (8) through the third diversion channel, and a first dosing pipe (18) is provided in the third diversion channel.

6. The sewage treatment device according to claim 1, wherein a fourth partition wall (1001) is arranged between the first stirring area (8) and the second stirring area (10), a first stirring drainage port (1002) is arranged at the upper part of the fourth partition wall (1001), a fourth partition plate (1003) is arranged in the second stirring area (10), a gap exists between the lower end of the fourth partition plate (1003) and the lower surface of the second stirring area (10), a fourth diversion channel is formed between the fourth partition plate (1003) and the fourth partition wall (1001), sewage discharged from the first stirring drainage port (1002) can flow to the bottom of the second stirring area (10) through the fourth diversion channel, and a second chemical adding pipe (19) is arranged in the fourth diversion channel.

7. The sewage treatment apparatus according to claim 1, wherein the second agitation zone (10) is provided at an upper portion thereof with a second agitation drainage port to which an inlet end of the water distribution member (12) is connected, and an outlet end of the water distribution member (12) is directed toward the sludge-water separation magnetic flocculation device (13).

8. The sewage treatment equipment according to claim 1, wherein the sludge-water storage tank (17) contains a fifth partition plate (1701), the sludge-water storage tank (17) is partitioned by the fifth partition plate (1701) to form a magnetic sludge storage area and a clear water storage area, the sludge-water separation magnetic flocculation device (13) can separate the magnetic sludge mixed liquid into magnetic sludge and clear water, the magnetic sludge separated by the sludge-water separation magnetic flocculation device (13) can enter the magnetic sludge storage area, and the clear water separated by the sludge-water separation magnetic flocculation device (13) can enter the clear water storage area.

9. The sewage treatment apparatus according to claim 8, wherein a water outlet (15) and a sludge discharge port (16) are provided at a lower portion of the sludge-water storage tank (17), the water outlet (15) is communicated with the clean water storage area, and the sludge discharge port (16) is communicated with the magnetic sludge storage area.

10. The sewage treatment device according to claim 9, further comprising a magnetic powder separation magnetic flocculation device (7), wherein the magnetic powder separation magnetic flocculation device (7) can separate the sludge containing magnetism into sludge and magnetic carrier particles, a sludge discharge port (16) is connected with the magnetic powder separation magnetic flocculation device (7) through a rotor pump (20) and a sludge discharge pipeline (21), the sludge discharge port (16) discharges the sludge containing magnetism and can be conveyed to the magnetic powder separation magnetic flocculation device (7), the magnetic powder separation magnetic flocculation device (7) is located above the first stirring area (8), and the magnetic carrier particles separated by the magnetic powder separation magnetic flocculation device (7) can be thrown into the first stirring area (8).