CN115477439A - Integrated MBR sewage treatment equipment - Google Patents

Abstract

The invention relates to the technical field of sewage treatment, and discloses integrated integrated MBR sewage treatment equipment, including an integrated box body, and the integrated box body is provided with a grid well, a regulating pool area, a sludge pool area, and a clear water pool area , anoxic area, anaerobic area, aerobic area, membrane pool area and equipment area, the grid well is connected with the adjustment pool area, a submersible pump is arranged in the adjustment pool area, and the output end of the submersible pump It is connected with the outlet pipe of the regulating pool, and the outlet pipe of the regulating pool is connected with a return pipe, and the incoming sewage is preliminarily filtered by the grid well to remove soft entanglements, large solid particles and floating objects in the domestic sewage , Adjusting the submersible mixer is used to mix sewage at different times or from different sources, so that the quality of the outflowing water is relatively uniform, so as to avoid excessive impact loads on the subsequent treatment facilities, and perform equalization and adjustment treatment on the sewage to ensure that the water quantity and quality All relatively stable, in order to carry out the processing of follow-up procedure.

Description

Integrated integrated MBR sewage treatment equipment

technical field

The invention relates to the technical field of sewage treatment, in particular to integrated integrated MBR sewage treatment equipment.

Background technique

Sewage treatment: the process of purifying sewage to meet the water quality requirements of being discharged into a certain water body or reused. Sewage treatment is widely used in construction, agriculture, transportation, energy, petrochemical, environmental protection, urban landscape, medical treatment, catering, etc. each field.

According to the classification of sewage sources, sewage treatment is generally divided into production sewage treatment and domestic sewage treatment. Production sewage includes industrial sewage, agricultural sewage and medical sewage, etc., while domestic sewage is sewage produced in daily life, which refers to a complex mixture of various forms of inorganic and organic substances, including: floating and suspended solid particles of large and small sizes; colloidal and Gel-like diffuser; pure solution, according to the nature of water pollution, there are two types of water pollution: one is natural pollution; the other is man-made pollution. At present, man-made pollution is the most harmful to water bodies. Pollution can be divided into chemical pollution, physical pollution and biological pollution according to different impurities. Pollutants mainly include: industrial wastewater discharged without treatment; domestic sewage discharged without treatment; Farmland sewage using chemical fertilizers, pesticides, and herbicides; industrial waste and domestic garbage piled up by the river; soil erosion; mine sewage. There are many methods of sewage treatment, which can generally be summarized as physical methods, chemical methods, and biological methods.

At present, the sewage treatment equipment on the market occupies a large area, the sewage treatment process is cumbersome, and the input cost is high, and the existing sewage treatment equipment is not effective in removing nitrogen and phosphorus pollutants in sewage, which directly affects the For the treatment of sewage, we propose an integrated integrated MBR sewage treatment equipment.

Contents of the invention

The purpose of the present invention is to provide an integrated integrated MBR sewage treatment equipment to solve the problem that the sewage treatment equipment occupies a large area in the prior art, the sewage treatment process is cumbersome, the input cost is high, and the existing sewage treatment equipment has a large impact on the sewage. The removal effect of nitrogen and phosphorus pollutants is not good, which directly affects the problem of sewage treatment.

In order to achieve the above object, the present invention provides the following technical solutions: integrated integrated MBR sewage treatment equipment, including an integrated box body, the integrated box body is provided with a grid well, a regulating pool area, a sludge pool area, a clean water Pool area, anoxic area, anaerobic area, aerobic area, membrane pool area and equipment area, the grid well is connected with the adjustment pool area, and a submersible pump is arranged in the adjustment pool area, and the submersible pump The output end is connected with the outlet pipe of the regulating pool, and the outlet pipe of the regulating pool is connected with a return pipe, and the return pipe is connected with the regulating pool area, and the outlet pipe of the regulating pool is connected with the anoxic area, and the anoxic area It is connected with the anaerobic area, and the anaerobic area is connected with the aerobic area, and the aerobic area is connected with the membrane pool area, and the anoxic area, the anaerobic area, the aerobic area and the membrane pool area are all connected with the membrane pool area. The sludge pool area is connected, and the membrane pool area is connected with the clear water pool area;

The anoxic zone is connected with a carbon source dosing pipe, the anoxic zone and the anaerobic zone are equipped with mixing agitators, and the bottom of the anoxic zone is provided with a sludge return pipe, and the sludge return pipe is sequentially It communicates with the anaerobic area, the aerobic area and the membrane pool area, and the sludge pool area is connected with a mud inlet pipe, and the mud inlet pipe is connected with the sludge return pipe;

Two aeration fans are arranged in the equipment area, and the two aeration fans are respectively connected with an aeration pipe of an aerobic tank and an aeration pipe of a membrane pool, and the aeration tube of the membrane pool is connected with the membrane pool area, And the MBR membrane module is provided in the membrane pool area, the MBR membrane module is connected with the aeration pipe of the membrane pool, the membrane water production pipe is connected to the MBR membrane module, the clear water area is provided in the membrane pool area, the membrane The water production pipe is connected to the clean water area, and the clean water area outlet pipe and the clean water area inlet pipe are respectively arranged outside the clean water area, and the clean water area inlet pipe is connected to the clean water pool area, and the equipment drain pipe is connected to the clean water pool area , the equipment drain pipe is connected to the water inlet pipe of the clear water area, the overflow pipe is connected to the clear water pool area, the outlet pipe of the clear water area is connected to the membrane pool cleaning component, and the aeration pipe of the aerobic pool is connected to the aerobic area connected to each other, and an aeration pipe is provided in the aerobic area, and the aeration pipe is connected with the aeration pipe of the aerobic tank, and a perforated aeration pipe is also provided at the bottom of the sludge pond area, and the perforated aeration pipe is connected with the aeration pipe of the aerobic tank. The aeration pipes of the membrane pool are connected, and a dosing pipe is connected above the aerobic zone;

A reflux pump is provided in the membrane pool area, and the output end of the reflux pump is provided with a nitrification liquid return pipe, and the nitrification liquid return pipe is respectively connected with the anoxic area, the anaerobic area, the aerobic area and the membrane pool area, And connected with the mud pipe.

Preferably, a sewage pipe is provided at the water inlet end of the grid well, and a retaining net is provided in the sewage pipe, and the retaining net is used for preliminary filtering of the sewage, and a regulating submersible mixer is provided in the regulating pool area , the regulating submersible mixer is used for homogenizing and regulating treatment of the incoming sewage, so that the water quantity and water quality are relatively stable.

Preferably, there are multiple aeration tubes, and the multiple aeration tubes are arranged side by side, and are all connected to the aeration tubes of the aerobic tank.

Preferably, the membrane cleaning assembly includes a membrane cleaning pump, the input end of the membrane cleaning pump is connected to the clean water area, the output end of the membrane cleaning pump is connected to a membrane cleaning outlet pipe, and one end of the membrane cleaning outlet pipe is connected to The membrane water production pipes are connected, and the other end is connected with the return pipe of the membrane cleaning pump, and the return pipe of the membrane cleaning pump is connected with the water inlet pipe of the clean water area, and the outlet pipe of the membrane cleaning pump is connected with a membrane cleaning dosing pipe.

Preferably, a sampling pipe is connected to the drain pipe of the device.

Preferably, an emergency pump is provided in the equipment area, and an emergency pump drain pipe is provided at the output end of the emergency pump, and the input end of the emergency pump is connected to the outlet pipe of the clean water area.

Preferably, the membrane water production pipe and the water inlet pipe of the clean water area are jointly connected with a self-priming pump.

Preferably, a pipe support is installed outside each of the pipes.

Compared with prior art, the beneficial effect of the present invention is:

(1) The present invention is an integrated integrated MBR sewage treatment equipment, the adjustment pool and the grid well are set, and the sewage entering is initially filtered by the grid well to remove soft entanglements and larger solid particles in domestic sewage For sundries and floating objects, adjust the submersible mixer to mix sewage at different times or from different sources, so that the quality of the outflowing water is relatively uniform, so as to avoid excessive impact loads on subsequent treatment facilities, and to carry out equalization and adjustment treatment of sewage. Make its water quantity and water quality relatively stable, so as to facilitate the treatment of subsequent processes.

(2) The present invention is an integrated integrated MBR sewage treatment equipment. The anoxic zone, anaerobic zone and aerobic zone are set, enter the anoxic zone, and return sludge discharged from the sedimentation tank is also entered synchronously. Facultative Anaerobic fermentation bacteria convert biodegradable organic matter in sewage into low-molecular fermentation intermediates such as volatile fatty acid substances VFA, while phosphorus-accumulating bacteria can decompose polyphosphate stored in their bodies, and the energy released can be used for The aerobic phosphorus accumulating bacteria can survive in the anaerobic environment, and then the sewage enters the anaerobic section, and the denitrifying bacteria use the aerobic section to denitrify, so as to achieve the purpose of reducing BOD5 and denitrification at the same time, and the sewage enters the aeration section. In the oxygen section, phosphorus accumulating bacteria excessively ingest dissolved phosphorus in the surrounding environment, and store it in the body in the form of phosphorus accumulation, so that the concentration of dissolved phosphorus in the effluent reaches the lowest level, and denitrification and dephosphorization are realized.

(3) The present invention is an integrated integrated MBR sewage treatment equipment. The MBR membrane module provided greatly improves the solid-liquid separation ability of the system, the concentration of activated sludge can be greatly improved, and the hydraulic retention time and sludge retention time can be controlled separately. , and the refractory substances are continuously reversed and degraded in the reactor, the mechanical interception effect of the membrane avoids the loss of microorganisms, and a high sludge concentration can be maintained in the bioreactor, thereby reducing the sludge load, and the MBR process omits The secondary sedimentation tank is installed, which greatly reduces the floor area. The activated sludge in the MBR aeration tank is not lost due to water production. The system effluent is stable and resistant to impact loads. The mud has good dispersibility, which greatly increases the specific surface area of activated sludge, thereby improving the effect of sewage treatment.

(4) The present invention is an integrated integrated MBR sewage treatment equipment, and the membrane cleaning component is set. The membrane cleaning component cleans the MBR membrane component according to the service cycle of the MBR membrane, so as to ensure the service life of the equipment and the treatment effect of the equipment on sewage .

Description of drawings

Fig. 1 is the overall structure schematic diagram of the present invention;

Fig. 2 is a schematic diagram of the internal structure of the equipment room in the present invention;

Fig. 3 is a schematic diagram of the cross-sectional structure of the membrane pool area in the present invention.

Among the reference signs: 1, grid well; 11, sewage pipe; 2, regulating pool area; 21, regulating submersible mixer; 22, submersible pump; 23, return pipe; 24, regulating pond outlet pipe; 3, sludge Pool area; 31, mud inlet pipe; 32, perforated aeration pipe; 4, clear water pool area; 41, equipment drain pipe; 42, overflow pipe; 5, anoxic area; 51, carbon source dosing pipe; 52, Mixer; 53. Sludge return pipe; 6. Anaerobic zone; 7. Aerobic zone; 71. Aeration tube; 72. Dosing tube; 8. Membrane tank zone; 81. MBR membrane module; 82. Membrane Water production pipe; 83, return pump; 84, nitrifying liquid return pipe; 85, membrane cleaning pump; 851, membrane cleaning pump outlet pipe; 852, membrane cleaning pump return pipe; 853, membrane cleaning dosing pipe; 86, clear water area; 861. Inlet pipe of clear water area; 862. Outlet pipe of clear water area; 87. Sampling pipe; 9. Equipment area; 91. Emergency pump; 911. Drainage pipe of emergency pump; 92. Aeration fan; 93. Aerobic tank aeration pipe ; 94, membrane tank aeration pipe; 95, self-priming pump; 10, pipeline support.

detailed description

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

Example

Please refer to Figures 1-3, the present invention provides an integrated integrated MBR sewage treatment equipment technical solution: including an integrated box body, the integrated box body is equipped with a grid well 1, a regulating pool area 2, and a sludge pool area 3. Clear water pool area 4, anoxic area 5, anaerobic area 6, aerobic area 7, membrane pool area 8, and equipment area 9. The grid well 1 is connected to the regulating pool area 2, and the regulating pool area 2 is equipped with Submersible pump 22, the output end of submersible pump 22 is connected with regulating pool outlet pipe 24, and regulating pool outlet pipe 24 is connected with return pipe 23, and return pipe 23 is connected with regulating pool area 2, and regulating pool outlet pipe 24 is connected with anoxic area 5 are connected, anoxic zone 5 is connected with anaerobic zone 6, anaerobic zone 6 is connected with aerobic zone 7, aerobic zone 7 is connected with membrane pool zone 8, anoxic zone 5, anaerobic zone 6, The aerobic area 7 and the membrane pool area 8 are connected to the sludge pool area 3, and the membrane pool area 8 is connected to the clear water pool area 4;

The anoxic zone 5 is connected with a carbon source dosing pipe 51, the anoxic zone 5 and the anaerobic zone 6 are equipped with a mixing agitator 52, and the bottom of the anoxic zone 5 is provided with a sludge return pipe 53, and the sludge return pipe 53 communicates with the anaerobic zone 6, the aerobic zone 7 and the membrane pool zone 8 in turn, and the sludge tank zone 3 is connected with a mud inlet pipe 31, and the mud inlet pipe 31 is connected with the sludge return pipe 53;

There are two aeration fans 92 in the equipment area 9, and the two aeration fans 92 are respectively connected to the aeration pipe 93 of the aerobic tank and the aeration pipe 94 of the membrane pool, and the aeration tube 94 of the membrane pool is connected with the area 8 of the membrane pool , and the MBR membrane module 81 is provided in the membrane pool area 8, the MBR membrane module 81 is connected to the membrane pool aeration pipe 94, the membrane water production pipe 82 is connected to the MBR membrane module 81, and the clear water area 86 is provided in the membrane pool area 8, The membrane production water pipe 82 is connected with the clear water area 86, and the clear water area 86 is respectively provided with a clear water area outlet pipe 862 and a clear water area inlet pipe 861, and the clear water area inlet pipe 861 is connected with the clear water pool area 4, and the clear water pool area 4 is connected with The equipment drain pipe 41, the equipment drain pipe 41 is connected to the water inlet pipe 861 of the clean water area, the overflow pipe 42 is connected to the clean water pool area 4, the water outlet pipe 862 of the clean water area is connected to the membrane pool cleaning component, and the aerobic pool aeration pipe 93 is connected to the well The oxygen area 7 is connected, and the aeration pipe 71 is arranged in the aerobic area 7, and the aeration pipe 71 is connected with the aeration pipe 93 of the aerobic tank. The trachea 32 communicates with the aeration pipe 94 of the membrane pool, and the top of the aerobic zone 7 is connected with a dosing pipe 72;

A reflux pump 83 is provided in the membrane pool area 8, and the output end of the reflux pump 83 is provided with a nitrification liquid return pipe 84, and the nitrification liquid return pipe 84 is connected to the anoxic area 5, the anaerobic area 6, the aerobic area 7 and the membrane pool respectively. Zone 8 communicates with each other and is connected with mud inlet pipe 31.

In this embodiment, the sewage enters through the sewage pipe 11, passes through the grid well 1 and enters the regulating pool area 2, and the submersible pump 22 is turned on, and the submersible pump 22 injects the sewage into the anoxic area 5 through the outlet pipe 24 of the regulating pool , the reagents are put into the carbon source dosing pipe 51 on the anoxic zone 5 to complete the decarbonization, and then enter the anaerobic zone 6 and the aerobic zone 7 in turn to complete the denitrification and phosphorus removal operations, and the generated sludge is composed of sewage The mud return pipe 53 collects and enters the sludge pool area 3 through the mud inlet pipe 31 to complete the storage. The aeration fan 92 operates, and the aerobic pool aeration pipe 93 and the membrane pool aeration pipe 94 are injected into the membrane pool area 8 respectively. And in the aerobic zone 7, make the sewage fully contact with oxygen, further improve the treatment of sewage, remove various organic substances in the sewage, greatly reduce the organic content in the sewage, and inject the sludge from the mud inlet pipe 31. The treated water is discharged into the clean water pool area 4 from the clean water area inlet pipe 861 for collection.

Further, the water inlet end of the grid well 1 is provided with a sewage pipe 11, and the sewage pipe 11 is provided with a retaining net, which is used for preliminary filtration of the sewage, and an adjusting submersible mixer 21 is provided in the regulating pool area 2 to adjust The submersible mixer 21 is used for homogenizing and adjusting treatment of the incoming sewage, so that the water quantity and quality are relatively stable.

In this embodiment, the regulating submersible agitator 21 in the regulating pool area 2 mixes and stirs different sewage, so that the quality of the outflowing water is relatively uniform, so as to avoid excessive impact loads on subsequent treatment facilities.

Further, there are a plurality of aeration pipes 71 , and the plurality of aeration pipes 71 are arranged side by side, and all communicate with the aeration pipe 93 of the aerobic tank.

In this embodiment, a plurality of aeration pipes 71 can fully contact and react the sewage in the aerobic zone 7 with oxygen, remove various organic substances in the sewage, and greatly reduce the content of organic substances in the sewage.

Further, the membrane cleaning component includes a membrane cleaning pump 85, the input end of the membrane cleaning pump 85 is connected to the clear water area 86, the output end of the membrane cleaning pump 85 is connected to a membrane cleaning outlet pipe 851, and one end of the membrane cleaning outlet pipe 851 is connected to the membrane production area. The water pipes 82 are connected, and the other end is connected with the membrane cleaning pump return pipe 852, and the membrane cleaning pump return pipe 852 is connected with the clean water area inlet pipe 861, and the membrane cleaning pump outlet pipe 851 is connected with the membrane cleaning dosing pipe 853.

In this embodiment, the cleaning agent is added from the membrane cleaning dosing pipe 853, and the membrane cleaning pump 85 is turned on. The membrane cleaning pump 85 injects water into the clean water area through the membrane cleaning outlet pipe 851, and reversely injects it into the MBR membrane module 81. , perform cleaning.

Further, a sampling pipe 87 is connected to the equipment drain pipe 41 .

In this embodiment, the sampling pipe 87 can sample and detect the treated water.

Further, an emergency pump 91 is provided in the equipment area 9 , and an emergency pump drain pipe 911 is provided at the output end of the emergency pump 91 , and the input end of the emergency pump 91 is connected to a clean water area outlet pipe 862 .

Further, a self-priming pump 95 is connected to the membrane water production pipe 82 and the water inlet pipe 861 of the clean water area.

In this embodiment, the self-priming pump 95 can ensure that the treated water is discharged.

Further, a pipeline bracket 10 is installed outside each pipeline.

In this embodiment, the pipeline support 10 can stably support the pipeline.

Specifically, the working principle and application process of the present invention: after the present invention is installed, the sewage enters from the sewage pipe 11, passes through the grid well 1 and enters the regulating pool area 2, and starts the submersible pump 22, which passes the sewage through The outlet pipe 24 of the regulating pool is injected into the anoxic zone 5, and the reagent is put into the carbon source dosing pipe 51 on the anoxic zone 5 to complete the decarburization, and then enter the anaerobic zone 6 and the aerobic zone 7 in turn to complete the decarburization. Nitrogen and phosphorus removal operations, the generated sludge is collected by the sludge return pipe 53, and enters the sludge pool area 3 through the sludge inlet pipe 31, and the storage is completed. The aeration fan 92 operates, and the aerobic tank aeration pipe 93 and Membrane pool aeration pipe 94 is injected into membrane pool area 8 and aerobic area 7 respectively, so that the sewage can fully contact with oxygen, further improve the treatment of sewage, remove various organic substances in sewage, and increase the organic matter content in sewage The amplitude is reduced, the sludge is injected by the mud inlet pipe 31, and the treated water is discharged into the clean water pool area 4 by the water inlet pipe 861 of the clean water area for collection until all work sequences are completed.

In describing the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "side", "top ", "inner", "front", "central", "both ends" and other indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and It is not to indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, or operate in a particular orientation, and thus should not be construed as limiting the invention.

In the present invention, terms such as "installation", "installation", "connection", "fixation" and "rotation connection" should be interpreted in a broad sense unless otherwise clearly specified and limited, for example, it may be a fixed connection, or It can be a detachable connection or integrated; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediary; it can be the internal communication of two components or the interaction relationship between two components Unless otherwise clearly defined, those skilled in the art can understand the specific meanings of the above terms in the present invention according to specific situations.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes, modifications and substitutions can be made to these embodiments without departing from the principle and spirit of the present invention. and modifications, the scope of the invention is defined by the appended claims and their equivalents.

Claims (8)

1. The integrated MBR sewage treatment equipment is characterized by comprising an integrated box body, wherein a grid well (1), a regulating tank area (2), a sludge tank area (3), a clear water tank area (4), an anoxic area (5), an anaerobic area (6), an aerobic area (7), a membrane tank area (8) and an equipment area (9) are arranged in the integrated box body, the grid well (1) is communicated with the regulating tank area (2), a submersible pump (22) is arranged in the regulating tank area (2), the output end of the submersible pump (22) is connected with a regulating tank water outlet pipe (24), a return pipe (23) is connected onto the regulating tank water outlet pipe (24), the return pipe (23) is communicated with the regulating tank area (2), the regulating tank water outlet pipe (24) is communicated with the anoxic area (5), the anoxic area (5) is communicated with the anaerobic area (6), the anaerobic area (6) is communicated with the anaerobic area (7), the aerobic area (7) is communicated with the membrane tank area (8), the aerobic area (7) is communicated with the aerobic area (5), the anoxic area (6), the aerobic area (7) and the aerobic area (7) are communicated with the clear water tank area (4) and the anaerobic area (8);

a carbon source dosing pipe (51) is connected to the anoxic zone (5), mixing stirrers (52) are arranged in the anoxic zone (5) and the anaerobic zone (6), a sludge return pipe (53) is arranged at the bottom of the anoxic zone (5), the sludge return pipe (53) is sequentially communicated with the anaerobic zone (6), the aerobic zone (7) and the membrane pool zone (8), the sludge pool zone (3) is connected with a sludge inlet pipe (31), and the sludge inlet pipe (31) is communicated with the sludge return pipe (53);

the device is characterized in that two aeration fans (92) are arranged in the device area (9), the two aeration fans (92) are respectively connected with an aerobic tank aeration pipe (93) and a membrane tank aeration pipe (94), the membrane tank aeration pipe (94) is communicated with the membrane tank area (8), an MBR membrane module (81) is arranged in the membrane tank area (8), the MBR membrane module (81) is connected with the membrane tank aeration pipe (94), a membrane water production pipe (82) is connected onto the MBR membrane module (81), a clear water area (86) is arranged in the membrane tank area (8), the membrane water production pipe (82) is communicated with the clear water area (86), a clear water area water outlet pipe (862) and a clear water area water inlet pipe (861) are respectively arranged outside the clear water area (86), the clear water area water inlet pipe (861) is communicated with the clear water tank area (4), the clear water tank area (4) is connected with a drain pipe (41) of the device, the drain pipe (41) is connected with the clear water area (861), the clear water tank area (4) is connected with an aerobic tank aeration pipe (71), and an aerobic aeration pipe (93) is connected with the aerobic tank aeration pipe (71), the bottom of the sludge pool area (3) is also provided with a perforated aeration pipe (32), the perforated aeration pipe (32) is communicated with a membrane pool aeration pipe (94), and a dosing pipe (72) is connected above the aerobic area (7);

a reflux pump (83) is arranged in the membrane pool area (8), a nitrifying liquid reflux pipe (84) is arranged at the output end of the reflux pump (83), and the nitrifying liquid reflux pipe (84) is respectively communicated with the anoxic area (5), the anaerobic area (6), the aerobic area (7) and the membrane pool area (8) and is connected with the sludge inlet pipe (31).

2. The integrated MBR sewage treatment plant of claim 1, wherein: the end of intaking of grid well (1) is equipped with sewage pipe (11), be equipped with in sewage pipe (11) and keep off the net, keep off the net and be used for carrying out prefilter to sewage, be equipped with in equalizing basin district (2) and adjust dive agitator (21), it is used for all handling with the regulation to the sewage that gets into to adjust dive agitator (21), makes its water yield and quality of water all relatively more stable.

3. The integrated MBR sewage treatment plant of claim 1, wherein: the aeration pipe (71) is provided with a plurality of aeration pipes (71), and the plurality of aeration pipes (71) are distributed in a parallel shape and are communicated with the aeration pipe (93) of the aerobic tank.

4. The integrated MBR sewage treatment plant of claim 1, wherein: the membrane cleaning assembly comprises a membrane cleaning pump (85), the input end of the membrane cleaning pump (85) is communicated with a clear water area (86), the output end of the membrane cleaning pump (85) is connected with a membrane cleaning water outlet pipe (851), one end of the membrane cleaning water outlet pipe (851) is communicated with a membrane production water pipe (82), the other end of the membrane cleaning water outlet pipe is connected with a membrane cleaning pump return water pipe (852), the membrane cleaning pump return water pipe (852) is communicated with a clear water area water inlet pipe (861), and a membrane cleaning chemical dosing pipe (853) is connected to the membrane cleaning pump outlet water pipe (851).

5. The integrated MBR sewage treatment plant of claim 1, wherein: the device water discharge pipe (41) is connected with a sampling pipe (87).

6. The integrated MBR sewage treatment plant of claim 1, wherein: be equipped with accident pump (91) in equipment area (9), accident pump (91) output is equipped with accident pump drain pipe (911), the input intercommunication of accident pump (91) has clear water district outlet pipe (862) to be linked together.

7. The integrated MBR sewage treatment plant of claim 1, wherein: the membrane water production pipe (82) and the clear water area water inlet pipe (861) are connected with a self-sucking pump (95) together.

8. The integrated MBR sewage treatment plant of claim 1, wherein: and a pipeline bracket (10) is arranged outside each pipeline.

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