CN210117318U

CN210117318U - Intelligent deep water treatment integrated system

Info

Publication number: CN210117318U
Application number: CN201920679153.1U
Authority: CN
Inventors: 李杨; 张琦; 严寒; 李元; 严瑞华; 王少伟; 赵梁; 王娜
Original assignee: Xi'an Pioneer Water Co Ltd; TIANJIN CAPITAL ENVIRONMENTAL PROTECTION GROUP CO Ltd
Current assignee: Xi'an Pioneer Water Co Ltd; TIANJIN CAPITAL ENVIRONMENTAL PROTECTION GROUP CO Ltd
Priority date: 2019-05-13
Filing date: 2019-05-13
Publication date: 2020-02-28
Anticipated expiration: 2029-05-13

Abstract

The utility model discloses an intelligent advanced water treatment integrated system, which comprises a pre-denitrification tank, an anaerobic tank, a primary aerobic tank, a primary anoxic tank, a secondary aerobic tank, a secondary anoxic tank, a tertiary aerobic tank, a sedimentation tank, a clean water tank for back washing, a coagulating sedimentation tank and a filter tank which are communicated in sequence; the system comprises a pre-denitrification tank, an anaerobic tank, a primary anoxic tank and a secondary anoxic tank, and is characterized by further comprising water inlet pipelines for distributing sewage to the front section of the pre-denitrification tank, the front section of the anaerobic tank, the front section of the primary anoxic tank and the front section of the secondary anoxic tank, an outer return pipeline for conveying sludge in a sedimentation tank to the pre-denitrification tank, an inner return pipeline for conveying sludge at the tail end of the tertiary aerobic tank to the front section of the primary anoxic tank, a water distribution pipeline for conveying water subjected to coagulation sedimentation to a filter tank, a backwashing pipeline for using water in a clean water tank for backwashing of the filter tank, and a backwashing conveying pipeline for conveying backwashing wastewater to the front end denitrification tank, wherein the primary aerobic tank, the secondary aerobic tank.

Description

Intelligent deep water treatment integrated system

Technical Field

The utility model belongs to the sewage treatment field, concretely relates to intelligent degree of depth water treatment integrated system.

Background

In recent years, with the development of rural enterprises and breeding industry and the improvement of the living standard of farmers, the water consumption and the sewage consumption in rural areas are in an increasing trend. The 'thirteen five' ecological environment protection plan 'issued by the national institute of 12 months in 2016 indicates that in the' thirteen five 'period', 13 ten thousand administrative village environment comprehensive remediation is promoted, the agricultural waste resource utilization demonstration project is implemented, sewage and garbage collection, treatment and utilization facilities are built, rural domestic sewage treatment is promoted in a gradient manner, and the rural domestic sewage treatment is introduced into the national plan level.

The rural sewage treatment has the following three difficulties: firstly, rural distribution is relatively dispersed, and the cost for establishing a flaky sewage collection pipe network is high; secondly, rural economic development is relatively lagged, the expenditure is insufficient, and the technical strength is weak; and thirdly, the sewage quantity is small, and the water quality and water quantity fluctuation is large.

In response to the above problems, integrated wastewater treatment facilities have applications including, but not limited to, integrated biological contact oxidation reactors, integrated biological fluidized beds, integrated membrane bioreactors, integrated A/O or A/A/O facilities.

The existing integrated sewage treatment equipment still has the defects that:

firstly, the effluent quality is not high, the existing integrated equipment cannot effectively distribute the carbon source of the influent water, so that the carbon source in an anoxic zone is insufficient, denitrification lacks substrates, and effluent TN is unstable, and the existing integrated equipment does not have a pre-denitrification zone, so that external reflux directly enters an anaerobic zone, and the introduced nitrification liquid seriously influences phosphorus-accumulating bacteria to release phosphorus, so that the phosphorus absorption in an aerobic zone is insufficient, and effluent TP is poor;

and secondly, the quality of the effluent can not stably reach the first-class A standard of pollutant discharge standard of urban sewage treatment plant or the four types of standards of ground surface level with higher requirements. Because the existing integrated equipment is not provided with an advanced treatment unit, the effluent can not stably reach the first-level A standard and the four standards of surface water to be implemented;

and thirdly, the maintenance cost is higher, the existing integrated equipment is provided with a mechanical stirring device in an anoxic zone of the anaerobic zone to solve the problem of sludge gravity sedimentation in the anaerobic zone, but the problem brought by the gravity sedimentation is the maintenance problem of the mechanical equipment, and once the mechanical stirring equipment fails and stops running, the rural personnel have limited technical strength, and need external professionals to maintain, so that the equipment maintenance cost is increased.

Fourth, the existing integrated equipment is not designed according to the characteristics of rural sewage, the design of urban sewage treatment plants is carried out, the structure is not optimized, once the equipment is shaped, the adjustment means of the process is very limited, and the emergency capacity of water quality is limited.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an intelligent degree of depth water treatment integrated system solves prior art's problem, the utility model discloses the degree of integrating is high, and the plant maintenance work load is little, and the process adjustment is convenient, can adapt to the more extensive quality of water of intaking, carries out the degree of depth processing to intaking in addition, guarantees that it stably reaches one-level A standard to go out water.

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

the intelligent deep water treatment integrated system comprises a pre-denitrification tank, an anaerobic tank, a primary aerobic tank, a primary anoxic tank, a secondary aerobic tank, a secondary anoxic tank, a tertiary aerobic tank, a sedimentation tank, a clean water tank, a coagulating sedimentation tank and a filter tank which are sequentially communicated;

the system comprises a pre-denitrification tank, an anaerobic tank, a first-level anoxic tank and a second-level anoxic tank, and is characterized by further comprising a water inlet pipeline for distributing sewage to the front section of the pre-denitrification tank, the front section of the anaerobic tank, the front section of the first-level anoxic tank and the front section of the second-level anoxic tank, an outer return pipeline for conveying sludge in a sedimentation tank to the pre-denitrification tank, an inner return pipeline for conveying tail-end sludge in a third-level aerobic tank to the front section of the first-level anoxic tank, a water distribution pipeline for conveying water subjected to coagulation sedimentation in the coagulation sedimentation tank to a filter tank, a back-flushing pipeline for conveying water in a clean water tank to the bottom of the filter tank and a back-flushing conveying pipeline for conveying back-flushing wastewater in the filter tank to the pre-denitrification tank, wherein the first-level aerobic.

Further, the water inlet pipeline is connected to the anterior segment of the pre-denitrification pool, the anterior segment of the anaerobic pool, the anterior segment of the one-level anoxic pool and the anterior segment of the second-level anoxic pool through pipelines respectively, and the butterfly valve used for adjusting the water distribution amount of the pre-denitrification pool, the anaerobic pool, the one-level anoxic pool and the second-level anoxic pool is arranged on the water inlet pipeline.

Further, the bottom in one-level good oxygen pond, second grade good oxygen pond and tertiary good oxygen pond all is equipped with the micropore aerator, the micropore aerator all is connected to aeration equipment through the aeration pipe, and the bottom in denitrification pond, anaerobism pond, one-level oxygen deficiency pond and second grade oxygen deficiency pond all is equipped with porous perforated pipe, and porous perforated pipe is connected to the aeration pipe.

Furthermore, the bottom of the tail end of the three-stage aerobic tank is provided with a plurality of internal reflux pumps, the internal reflux pumps are connected to the front section of the first-stage anoxic tank through internal reflux pipelines, and the internal reflux pumps are controlled by a PLC;

the bottom of sedimentation tank is provided with a plurality of outer backwash pumps, and outer backwash pump is connected to the preliminary denitrification pond through outer return line, is connected with the surplus sludge pipeline that is used for discharging surplus sludge on the outer return line.

Further, an ultraviolet sterilizer is arranged at the water outlet pipeline; the emptying pipe comprises a middle emptying pipe connected to the middle part of the pre-denitrification tank and a bottom emptying pipe connected to the bottom of the pre-denitrification tank.

Furthermore, a stirrer is arranged in the coagulating sedimentation tank, the outlet end of the water distribution pipeline is connected with a plurality of water distributors, and the water distribution pipeline and the backwashing conveying pipeline are communicated with the water distributors.

Furthermore, a back washing pump is arranged at the bottom of the clean water tank, a porous filter pipe is arranged at the bottom of the filter tank, a filter material supporting plate for supporting filter materials is arranged on the porous filter pipe, an electronic liquid level meter is arranged on the upper side of the filter tank, and the back washing pump is connected to the porous filter pipe through a back washing pipeline.

Furthermore, a first electric valve is arranged on the water outlet pipeline, a second electric valve is arranged on the water distribution pipeline, a third electric valve is arranged on the backwashing pipeline, and a fourth electric valve is arranged on the backwashing conveying pipeline.

Furthermore, the device also comprises an equipment room, wherein aeration equipment and a power distribution system are arranged in the equipment room.

Further, the pre-denitrification tank, the anaerobic tank, the first-level aerobic tank, the first-level anoxic tank, the second-level aerobic tank, the second-level anoxic tank, the third-level aerobic tank, the sedimentation tank, the clean water tank, the coagulating sedimentation tank, the filter tank and the equipment room are arranged in a container mode, wherein the pre-denitrification tank and the anaerobic tank are arranged on the rightmost side, the first-level aerobic tank, the first-level anoxic tank, the second-level aerobic tank, the second-level anoxic tank and the third-level aerobic tank are sequentially arranged on the left side in the middle, the sedimentation tank, the clean water tank, the coagulating sedimentation tank and the filter tank are arranged on the right side in the middle.

Compared with the prior art, the utility model discloses following profitable technological effect has:

traditional domestic sewage integration equipment does not set up denitrification district in advance, and outer backward flow directly gets into anaerobic zone, and the nitrifying liquid that outer backward flow was brought into and dissolved oxygen directly influence anaerobic zone release phosphorus, the utility model discloses be provided with denitrification pond in advance, outer backward flow gets into denitrification pond in advance earlier, with the carbon source reaction in the part raw water, nitrify liquid concentration and dissolved oxygen concentration and reduce to not influence after anaerobic zone release phosphorus, traditional domestic sewage integration equipment has the emergent ability of quality of water not enough, the poor condition of system shock resistance, if meet emergency adjustment means very limited, intake peak period water yield is too big, leads to system's hydraulic shock too big, and it is not up to standard to go out water quality, the utility model discloses because carry out the multiple spot distribution to intake and have sufficient ability reply peak value and strike.

Owing to there is a second grade anoxic zone, and one-level good oxygen pond links to each other with one-level anoxic pond, and second grade good oxygen pond is connected with second grade anoxic pond, and the oxygen deficiency pond that nitrifies liquid in good oxygen pond and being connected obtains the denitrification, and when quality of water of intaking accords with the designing requirement, interior backwash pump still can satisfy out water quality of water requirement under the state that does not open, and intake concentration is higher and the maintenance time is longer than long time, the utility model discloses interior backwash pump can be opened for system's circulation improves system's treatment efficiency.

The utility model is provided with a deep treatment unit, namely, a coagulation sedimentation tank and a filter tank are arranged behind a sedimentation tank, an electronic liquid level meter and a back flush pump are arranged above the filter tank for linkage control, when the liquid level of the filter tank is higher than the electronic liquid level meter, the back flush pump is started to carry out back flush on the filter tank, back flush wastewater is conveyed to a front-section denitrification tank through a back flush pipeline, when a back flush program is started, a first electric valve at a water outlet is closed, a second electric valve on a water distribution pipeline is closed, and a third electric valve on the back flush pipeline is opened; the utility model discloses set up the advanced treatment unit, guarantee that it is stable to reach one-level A standard to go out water, and have automatic back flush unit, need not to have someone on duty for a long time.

Further, traditional domestic sewage integration equipment does not carry out effective distribution to intaking, leads to the unable make full use of carbon source, and traditional domestic sewage integration equipment intakes all and gets into the anaerobic zone, and the required carbon source of anaerobic zone release phosphorus is sufficient, but anoxic zone denitrification's carbon source can not yet be satisfied, and it is higher to lead to equipment water total nitrogen, and some integration equipment will intake and carried out certain distribution, but the distribution proportion is fixed, can not adapt to multiple quality of water, the utility model discloses at denitrification pond in advance, anaerobism pond, one-level oxygen deficiency pond, second grade oxygen deficiency pond all are provided with the distributing pipe, have connect porous perforated pipe behind the distributing pipe, are provided with the butterfly valve on the distributing pipe, conveniently adjust intaking distribution proportion under different quality of water.

Furthermore, the bottoms of the pre-denitrification tank, the anaerobic tank, the primary anoxic tank and the secondary anoxic tank are provided with porous perforated pipes, and the porous perforated pipes are used for aeration to prevent sludge in the pre-denitrification tank, the anaerobic tank, the primary anoxic tank and the secondary anoxic tank from depositing at the bottoms of the tanks.

Further, the utility model discloses a set up bottom blow-down pipe and middle position blow-down pipe, make things convenient for the maintenance of different degrees in the future.

Drawings

Fig. 1 is a top view of the structure of the present invention;

FIG. 2 is a detailed view of the connection between the coagulating sedimentation tank and the filter tank of the utility model;

fig. 3 is a detail view of the connection between the clean water tank and the filter tank of the present invention.

Wherein: 10. the system comprises a pre-denitrification tank, 11, a water inlet pipeline, 12, a bottom vent pipe, 13, a middle position vent pipe, 20, an anaerobic tank, 30, a primary aerobic tank, 40, a primary anoxic tank, 50, a secondary aerobic tank, 60, a secondary anoxic tank, 70, a tertiary aerobic tank, 71, an external reflux pipeline, 80, a sedimentation tank, 90, a clean water tank, 91, an aeration pipeline, 92, a backwashing pump, 100, a coagulating sedimentation tank, 101, a water distribution pipeline, 102, a water distributor, 103, a stirrer, 104, a fourth electric valve, 105, a second electric valve, 106, a first electric valve, 107, a third electric valve, 110, a filter tank, 111, a backwashing pipeline, 112, a backwashing conveying pipeline, 113, a water outlet pipeline, 114, an electronic liquid level meter, 115, a support plate filter material, 116, a porous filter pipe, 120 and a plant room.

Detailed Description

The invention is described in further detail below with reference to the accompanying drawings:

referring to fig. 1, the utility model discloses collect a denitrification pond 10 in advance, an anaerobism pond 20, two oxygen deficiency ponds (one-level oxygen deficiency pond 40 and second grade oxygen deficiency pond 60), three good oxygen ponds (one-level good oxygen pond 30, second grade good oxygen pond 50 and tertiary good oxygen pond 70), a sedimentation tank 80, a clean water basin 90, a coagulating sedimentation tank 100, a filtering pond 110, an equipment room 120 in an organic whole with the form of a container, install air-blower (aeration equipment) and distribution system in the equipment room 120.

The water flow direction of sewage in the integrated equipment is pre-denitrification tank 10 → anaerobic tank 20 → primary aerobic tank 30 → primary anoxic tank 40 → secondary aerobic tank 50 → secondary anoxic tank 60 → tertiary aerobic tank 70 → sedimentation tank 80 → clean water tank 90 → coagulating sedimentation tank 100 → filter tank 110, the distribution of inlet water in the integrated equipment is provided with a water inlet pipeline 11 on the upper part of the tank body, the purpose of distributing inlet water is achieved by adjusting a butterfly valve on the pipeline, the inlet water pipes entering the pre-denitrification tank 10, the anaerobic tank 20, the primary anoxic tank 40 and the secondary anoxic tank 60 are respectively connected to a horizontal porous perforated pipe, and the inlet water is uniformly distributed to the front end of each tank from the inside of the hole. The aeration pipeline 91 is connected to an air blower of the equipment room 120, aeration is provided for all aerobic tanks (comprising a first-level aerobic tank 30, a second-level aerobic tank 50 and a third-level aerobic tank 70), microorganisms in the aerobic tanks need a large amount of dissolved oxygen to degrade organic matters, a micropore aerator is arranged at the bottom of the aerobic tanks, airflow is cut into tiny bubbles through the micropore aerator, the microorganisms are more favorably utilized, pipelines are led out from the aeration pipeline 91 to provide air flow only used for stirring for the pre-denitrification tank 10, the anaerobic tank 20, the first-level anoxic tank 40 and the second-level anoxic tank 60, an external sludge reflux pump is arranged at the bottom of the sedimentation tank 80, sludge is pumped into the pre-denitrification tank 20 from the sedimentation tank 80 through the external reflux pump to complete external reflux of the sludge, an internal reflux pump is arranged at the tail end of the third-level aerobic tank 70, the sludge is pumped into the front section of the first-level anoxic tank 40 from the tail end of the third-level aerobic tank 70 through, the lift can meet the requirement, two are available, the start-stop time is controlled by a PLC to realize the adjustment of the reflux ratio, the reflux ratio is reflux flow/water inflow, three internal reflux pumps are provided, the flow selection is close to the average water inflow in design hours, the lift can meet the requirement, the three pumps are started and stopped according to the process requirement, a side pipe is led out from a sludge external reflux pipeline 71 to serve as a residual sludge pipeline, a water distribution pipeline 101 is connected with a coagulating sedimentation tank 100 and a filter tank 110, the water treated by the coagulating sedimentation tank is conveyed to the filter tank through the principle of a communicating vessel, the water is uniformly distributed in the filter tank through a water distributor above the filter tank, when the liquid level of the filter tank is higher than a liquid level meter, the filter tank is backwashed through a backwash pump 92 arranged at the bottom of a clean water tank 90 through a backwash pipeline 111, the backwash wastewater is conveyed to the water inflow front end through a backwash conveying pipeline 112, particularly, the water distribution pipeline, when water is distributed to the filter, the fourth electric valve 104 on the backwashing conveying pipeline is closed, the second electric valve on the water distribution pipeline 101 is opened, water distribution to the filter is started, when backwashing is started, water enters the bottom of the filter, sequentially passes through the porous filter pipe 116, the filter material supporting plate 115 (which can enable water to pass but can not enable filter materials to pass) and the filter materials, finally, water is discharged through the water distributor 102, the fourth electric valve 104 on the backwashing conveying pipeline 112 is opened, the second electric valve on the water distribution pipeline 101 is closed, and backwashing wastewater is conveyed to the front-end pre-denitrification tank 10 through the water distributor and the backwashing conveying pipeline 112 to be treated.

The following is a detailed description of the operation process of the embodiment of the present invention:

the sewage is lifted (or automatically flows) by a lifting pump and enters a pre-denitrification tank 10 through a water inlet pipeline 11, the sewage is mixed with external return sludge at the front end of the pre-denitrification tank 10, the internal and external return sludge and the sewage are completely mixed in the pre-denitrification tank, the nitrate is converted into nitrogen by using a carbon source under the action of denitrifying cells in the reaction mainly generated in the pre-denitrification tank, so that the nitrate in the external return sludge is removed, and dissolved oxygen brought by the external return is also consumed in the process of decomposing organic matters by microorganisms. Then the mixed liquor flows out of the pre-denitrification tank 10, enters the anaerobic tank 20, is mixed with the sewage distributed to the anaerobic tank by the water inlet pipeline 11 at the front end of the anaerobic tank 20, the main reaction in the anaerobic tank 20 is that phosphorus is released by phosphorus accumulating bacteria in an anaerobic mode, and the phosphorus released by the phosphorus accumulating bacteria in the anaerobic zone is not inhibited by the dissolved oxygen and denitrification reaction because nitrate and dissolved oxygen are removed in the pre-denitrification tank 10. The mixed liquid from the anaerobic tank 20 enters a primary aerobic tank 30, a microporous aerator is arranged at the bottom of the primary aerobic tank 30, in the primary aerobic tank 30, the main reactions are that organic matters are aerobically decomposed into water and carbon dioxide, ammonia nitrogen is aerobically converted into nitrite, the nitrite is continuously oxidized into nitrate, and the tank has no water inlet and water distribution. The mixed liquid that comes out from one-level aerobic tank 30 gets into one-level oxygen deficiency pond 40, mixes at one-level oxygen deficiency pond 40 anterior segment with the sewage that inlet channel 11 distributed to one-level oxygen deficiency pond 40 in one-level oxygen deficiency pond 40, and the reaction that takes place at one-level oxygen deficiency pond 40 is: the distributed sewage contains a large amount of carbon sources, nitrate generated by reaction in the primary aerobic tank 30 is combined with the carbon sources in the sewage, denitrification is performed in the primary anoxic tank 40 to generate nitrogen, and thus, part of nitrogen is removed from the system; the mixed liquid from the first-stage anoxic tank 40 enters a second-stage aerobic tank 50, the structure and the reaction of the second-stage aerobic tank 50 are the same as those of the first-stage aerobic tank 30, the mixed liquid from the second-stage aerobic tank 50 enters a second-stage anoxic tank 60, the reaction in the second-stage anoxic tank 60 is the same as that of the first-stage anoxic tank 40, the mixed liquid from the second-stage anoxic tank 60 enters a third-stage aerobic tank 70, an internal reflux pump is arranged in the third-stage aerobic tank 70, and the number of the tanks can be selected according to the actual process running condition. Then the mixed liquid is subjected to gravity mud-water separation in the sedimentation tank 80, the sludge is settled, the supernatant overflows to a clear water tank 90, the water flows to a coagulation sedimentation tank 100 again, and coagulant aid are added into the water, so that particles which are difficult to precipitate in the water can be mutually polymerized to form colloid, and then the colloid is combined with impurities in the water body to form larger flocculating constituents. The flocculating constituent has strong adsorption capacity, can adsorb suspended matters, and can adsorb partial bacteria and soluble substances. The flocculating constituent is adsorbed, the volume is increased and the flocculating constituent sinks, the water after the coagulation sedimentation flows to the filter tank 110 through the water distribution pipeline 101, the water distributor 102 above the water distribution pipeline uniformly distributes the water after the coagulation sedimentation in the filter tank, the water is filtered through the multi-filter layer, the water with good water quality is finally collected, the water is discharged through the water outlet pipeline 113, the treated water is discharged after being disinfected by the ultraviolet disinfector, the sludge sedimentated in the sedimentation tank 80 mostly flows back to the pre-denitrification tank 10 through the external reflux pump, and the small part of the treated water is discharged as residual sludge and enters a subsequent sludge treatment device. The sludge precipitated in the coagulation sedimentation tank 100 is discharged into a subsequent sludge treatment device.

When the filter tank needs backwashing, the liquid level rises to an electronic liquid level meter 114, a backwashing pump 92 is started, a first electric valve 106 on a water outlet pipeline and a second electric valve 105 on a water distribution pipeline are closed, a third electric valve 107 on a backwashing pipeline and a fourth electric valve 104 on a backwashing conveying pipeline are opened, clean water in a clean water tank 90 is sucked and enters a porous filter pipe 116 at the bottom of the filter tank 110 through a backwashing pipeline, backwashing is carried out on the filter tank, and backwashing wastewater enters a backwashing conveying pipeline 112 through a water distributor 102 and is conveyed to a front-end denitrification tank 10.

Claims

1. The intelligent deep water treatment integrated system is characterized by comprising a pre-denitrification tank (10), an anaerobic tank (20), a primary aerobic tank (30), a primary anoxic tank (40), a secondary aerobic tank (50), a secondary anoxic tank (60), a tertiary aerobic tank (70), a sedimentation tank (80), a clean water tank (90), a coagulation sedimentation tank (100) and a filter tank (110) which are sequentially communicated;

the system also comprises a water inlet pipeline (11) used for distributing sewage to the front section of the pre-denitrification tank (10), the front section of the anaerobic tank (20), the front section of the first-stage anoxic tank (40) and the front section of the second-stage anoxic tank (60), an outer return pipeline (71) used for conveying sludge in the sedimentation tank (80) to the pre-denitrification tank (10), an inner return pipeline used for conveying sludge at the tail end of the third-stage aerobic tank (70) to the front section of the first-stage anoxic tank (40), a water distribution pipeline (101) used for conveying water subjected to the coagulation sedimentation effect of the coagulation sedimentation tank (100) to the filter tank (110), a backwashing pipeline (111) used for conveying water in the clean water tank (90) to the bottom of the filter tank (110) and a backwashing conveying pipeline (112) used for conveying aerobic wastewater in the aerobic tank (110) to the pre-denitrification tank (10), wherein the first-stage aerobic tank (30), the second-stage aerobic tank (50) and the third-stage aerobic tank (70) are all connected to aeration equipment through, the pre-denitrification tank (10) is provided with a vent pipe, and the filter tank (110) is provided with a water outlet pipeline (113).

2. The integrated system for intelligent advanced water treatment as claimed in claim 1, wherein the water inlet pipeline (11) is connected to the front section of the pre-denitrification tank (10), the front section of the anaerobic tank (20), the front section of the primary anoxic tank (40) and the front section of the secondary anoxic tank (60) through pipelines respectively, and butterfly valves for adjusting the water distribution of the pre-denitrification tank (10), the anaerobic tank (20), the primary anoxic tank (40) and the secondary anoxic tank (60) are arranged on the water inlet pipeline (11).

3. The integrated system for intelligent advanced water treatment as claimed in claim 1, wherein the bottoms of the primary aerobic tank (30), the secondary aerobic tank (50) and the tertiary aerobic tank (70) are all provided with microporous aerators, the microporous aerators are all connected to an aeration device through aeration pipelines (91), and the bottoms of the pre-denitrification tank (10), the anaerobic tank (20), the primary anoxic tank (40) and the secondary anoxic tank (60) are all provided with perforated pipes, and the perforated pipes are connected to the aeration pipelines (91).

4. The intelligent advanced water treatment integrated system as claimed in claim 1, wherein a plurality of internal reflux pumps are arranged at the bottom of the tail end of the three-stage aerobic tank (70), the internal reflux pumps are connected to the front section of the one-stage anoxic tank (40) through internal reflux pipelines, and the internal reflux pumps are controlled by a PLC;

the bottom of the sedimentation tank (80) is provided with a plurality of outer reflux pumps, the outer reflux pumps are connected to the pre-denitrification tank (10) through outer reflux pipelines (71), and the outer reflux pipelines (71) are connected with residual sludge pipelines for discharging residual sludge.

5. The integrated system for intelligent advanced water treatment as claimed in claim 1, wherein an ultraviolet sterilizer is arranged at the water outlet pipeline (113); the emptying pipe comprises a middle emptying pipe (13) connected to the middle part of the pre-denitrification tank (10) and a bottom emptying pipe (12) connected to the bottom of the pre-denitrification tank (10).

6. The intelligent integrated deep water treatment system according to claim 1, wherein a stirrer (103) is arranged in the coagulation sedimentation tank (100), a plurality of water distributors (102) are connected to the outlet ends of the water distribution pipelines (101), and the water distribution pipelines (101) and the backwashing conveying pipeline (112) are both communicated with the water distributors (102).

7. The integrated system for intelligent advanced water treatment as claimed in claim 1, wherein a back-flushing pump (92) is arranged at the bottom of the clean water tank (90), a porous filter pipe (116) is arranged at the bottom of the filter tank (110), a filter material support plate (115) for supporting filter materials is arranged on the porous filter pipe (116), an electronic liquid level meter (114) is arranged at the upper side of the filter tank (110), and the back-flushing pump (92) is connected to the porous filter pipe (116) through a back-flushing pipeline (111).

8. The integrated system for intelligent advanced water treatment as claimed in claim 1, wherein a first electric valve (106) is arranged on the water outlet pipeline (113), a second electric valve (105) is arranged on the water distribution pipeline (101), an upstream third electric valve (107) is arranged on the backwashing pipeline (111), and a fourth electric valve (104) is arranged on the backwashing conveying pipeline (112).

9. The integrated system for intelligent advanced water treatment as claimed in claim 1, further comprising an equipment room (120), wherein an aeration device and a power distribution system are arranged in the equipment room (120).

10. The intelligent advanced water treatment integrated system as claimed in claim 9, wherein the pre-denitrification tank (10), the anaerobic tank (20), the primary aerobic tank (30), the primary anoxic tank (40), the secondary aerobic tank (50), the secondary anoxic tank (60), the tertiary aerobic tank (70), the sedimentation tank (80), the clean water tank (90), the coagulation sedimentation tank (100), the filter tank (110) and the equipment room (120) are arranged in a container form, wherein the pre-denitrification tank (10) and the anaerobic tank (20) are arranged at the rightmost side, the first-stage aerobic tank (30), the first-stage anoxic tank (40), the second-stage aerobic tank (50), the second-stage anoxic tank (60) and the third-stage aerobic tank (70) are sequentially arranged at the left middle side, the sedimentation tank (80), the clean water tank (90), the coagulation sedimentation tank (100) and the filter tank (110) are arranged at the right middle side, and the equipment room (120) is arranged at the leftmost side.