CN210419440U - MBR membrane bioreactor sewage treatment system - Google Patents

MBR membrane bioreactor sewage treatment system Download PDF

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Publication number
CN210419440U
CN210419440U CN201921132800.3U CN201921132800U CN210419440U CN 210419440 U CN210419440 U CN 210419440U CN 201921132800 U CN201921132800 U CN 201921132800U CN 210419440 U CN210419440 U CN 210419440U
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membrane bioreactor
tank
mbr membrane
mbr
pond
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CN201921132800.3U
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张庆升
刘桂英
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Shandong Shuang Rong Environmental Protection Engineering Co Ltd
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Shandong Shuang Rong Environmental Protection Engineering Co Ltd
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Abstract

The utility model discloses a MBR membrane bioreactor sewage treatment system relates to sewage treatment technical field, and it is including equalizing basin, A pond and the O pond that connects gradually, and waste water passes through the wastewater pipe and is inputed into the equalizing basin in, and the A pond is used for carrying out anaerobic treatment to sewage, and the O pond is used for carrying out aerobic treatment to sewage, install MBR membrane bioreactor in the O pond, MBR membrane bioreactor's the water outlet end passes through MBR membrane bioreactor self priming pump and wastewater pipe and is connected with the clean water basin, the beneficial effects of the utility model are that: the MBR membrane bioreactor effectively intercepts aerobic bacteria in the O tank, retains microorganisms with longer generation period, simultaneously nitrifies the microorganisms in the O tank, has obvious nitrification effect, deeply purifies pollutants in wastewater, effectively prevents sludge loss, and reduces sludge treatment cost and floor area of a sewage station.

Description

MBR membrane bioreactor sewage treatment system
Technical Field
The utility model relates to the technical field of sewage treatment, in particular to a sewage treatment system of an MBR (membrane bioreactor).
Background
Sewage treatment (sewage treatment, water treatment): the sewage is purified to reach the water quality requirement of being discharged into a certain water body or being reused. Sewage treatment is widely applied to various fields such as buildings, agriculture, traffic, energy, petrifaction, environmental protection, urban landscape, medical treatment, catering and the like, and is increasingly used in daily life of common people.
The A/O process is an anaerobic and aerobic process, is the upgrading of a common activated sludge method, can have good removal effects on COD and BOD, has good denitrification treatment effect, and has poor dephosphorization effect. Generally, an anaerobic tank is used, a denitrification process is performed in the tank, namely nitrite nitrogen and nitrate nitrogen in the back flowing back of an aerobic tank are changed into nitrogen to be discharged, so that the purpose of removing phosphorus is achieved, the effluent of the anaerobic tank enters the aerobic tank, organic nitrogen in organic matters is oxidized into nitrite nitrogen and nitrate nitrogen in the aerobic tank, and then a certain amount of sewage flows back to the anaerobic tank.
However, in practical application, a large amount of aerobic bacteria are easily taken away by the wastewater output from the aerobic tank, the aerobic bacteria cannot be massively propagated in the aerobic tank, and the nitrification effect is poor.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a MBR membrane bioreactor sewage treatment system to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a MBR membrane bioreactor sewage treatment system, is including equalizing basin, A pond and the O pond that connects gradually, and waste water passes through waste pipe and is inputed to the equalizing basin in, and the A pond is used for carrying out anaerobic treatment to sewage, and the O pond is used for carrying out aerobic treatment to sewage, install MBR membrane bioreactor in the O pond, MBR membrane bioreactor's play water end passes through MBR membrane bioreactor self priming pump and waste pipe and is connected with the clean water basin.
As a further aspect of the present invention: and the adjusting tank and the A tank are internally provided with submersible mixers.
As a further aspect of the present invention: the regulating tank is also connected with the acid tank and the alkali tank through a dosing pipeline.
As a further aspect of the present invention: the clean water tank is connected with a wastewater standard-reaching recycling or discharging system through a wastewater pipeline.
As a further aspect of the present invention: and an aeration device is arranged in the O tank and is connected with an air blower through an aeration pipeline.
As a further aspect of the present invention: the MBR membrane bioreactor is also connected with the clean water tank through a backwashing pipeline, and a backwashing pump of the MBR membrane bioreactor is installed on the backwashing pipeline.
As a further aspect of the present invention: the MBR membrane bioreactor is also connected with a pickling tank and an alkaline washing tank through a dosing pipeline.
As a further aspect of the present invention: the bottom of the O pool is connected with the A pool through a return pipeline and a return pump.
Compared with the prior art, the beneficial effects of the utility model are that: the MBR membrane bioreactor effectively intercepts aerobic bacteria in the O tank, retains microorganisms with longer generation period, simultaneously nitrifies the microorganisms in the O tank, has obvious nitrification effect, deeply purifies pollutants in wastewater, effectively prevents sludge loss, and reduces sludge treatment cost and floor area of a sewage station.
Drawings
FIG. 1 is a schematic structural diagram of a MBR membrane bioreactor sewage treatment system.
In the figure: 1-regulating tank, 2-A tank, 3-O tank, 4-clean water tank, 5-MBR membrane bioreactor, 6-submersible mixer, 7-blower, 8-acid tank, 9-alkali tank, 10-acid washing tank, 11-alkali washing tank, 12-MBR membrane bioreactor self-priming pump, 13-MBR membrane bioreactor backwashing pump, 14-reflux pump, 15-wastewater pipeline, 16-dosing pipeline, 17-backwashing pipeline, 18-aeration pipeline, 19-reflux pipeline, 20-production wastewater, 21-wastewater up-to-standard recycling or discharge system.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present disclosure, as detailed in the appended claims.
Example 1
Referring to fig. 1, in an embodiment of the present invention, an MBR membrane bioreactor sewage treatment system includes an adjusting tank 1, an a tank 2 and an O tank 3 connected in sequence, where the adjusting tank 1 is used for balancing water quality and water quantity, adjusting pH of wastewater, and providing favorable conditions for subsequent biological treatment, production wastewater 20 is input into the adjusting tank 1 through a wastewater pipeline 15, of course, the adjusting tank 1 is further connected with an acid tank 8 and an alkali tank 9 through a drug adding pipeline 16, the a tank 2 is used for anaerobic treatment of sewage, submersible mixers 6 are installed in both the adjusting tank 1 and the a tank 2, the O tank 3 is used for aerobic treatment of sewage, effectively removing organic matters in wastewater, and achieving the purpose of denitrification and dephosphorization through nitrification, an MBR membrane bioreactor 5 is installed in the O tank 3, a water outlet end of the MBR membrane bioreactor 5 is connected with a clean water tank 4 through a membrane bioreactor self-priming pump 12 and a wastewater pipeline 15, the sewage purified by the MBR (membrane bioreactor) 5 can enter the clean water tank 4 for storage, and the MBR 5 is directly placed in the O tank 3, so that aerobic bacteria in the O tank 3 are effectively intercepted, and microorganisms with longer generation period are reserved, meanwhile, nitrifying bacteria can be fully propagated in the sewage, the nitrifying effect is obvious, pollutants in the sewage are deeply purified, meanwhile, the sludge loss is effectively prevented, and the sludge treatment cost and the floor area of a sewage station are reduced.
Further, the clean water tank 4 is connected with a wastewater standard-reaching recycling or discharging system 21 through a wastewater pipeline 15, and the treated wastewater can be selectively discharged through the wastewater standard-reaching recycling or discharging system 21.
Furthermore, in order to ensure the aerobic reaction effect in the O tank 3, an aeration device (not shown) is installed in the O tank 3, and the aeration device is connected with the blower 7 through an aeration pipeline 18.
Example 2
Please refer to fig. 1, in an embodiment of the present invention, an MBR membrane bioreactor sewage treatment system, the MBR membrane bioreactor 5 is connected to the clean water tank 4 through a backwash pipe 17, and the backwash pipe 17 is provided with an MBR membrane bioreactor backwash pump 13 for backwashing the MBR membrane bioreactor 5, so as to ensure the working efficiency of the MBR membrane bioreactor 5.
Further, the MBR membrane bioreactor 5 is also connected with a pickling tank 10 and an alkaline washing tank 11 through a chemical adding pipeline 16.
Further, the bottom of the O tank 3 is connected to the A tank 2 via a return line 19 and a return pump 14, so that sludge and the like in the O tank 3 can be returned to the A tank 2 and treated.
It should be particularly noted that, in the technical scheme, the MBR membrane bioreactor 5 is used for effectively intercepting aerobic bacteria in the O tank 3, microorganisms with a longer generation period are reserved, meanwhile, nitrifying bacteria can be fully propagated in the MBR membrane bioreactor, the nitrifying effect is obvious, pollutants in wastewater are deeply purified, simultaneously, sludge loss is effectively prevented, and the sludge treatment cost and the floor area of a sewage station are reduced.
Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure herein. This application is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.
It will be understood that the present disclosure is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.

Claims (8)

1. The utility model provides a MBR membrane bioreactor sewage treatment system, is inputed equalizing basin (1) including equalizing basin (1), A pond (2) and O pond (3) that connect gradually in waste water (20) are passed through waste pipe (15), and A pond (2) are used for carrying out anaerobic treatment to sewage, and O pond (3) are used for carrying out aerobic treatment to sewage, a serial communication port, install MBR membrane bioreactor (5) in O pond (3), MBR membrane bioreactor (5)'s play water end passes through MBR self priming pump (12) and waste pipe (15) and is connected with clean water basin (4).
2. The MBR membrane bioreactor sewage treatment system according to claim 1, wherein a submersible mixer (6) is installed in each of the adjusting tank (1) and the A tank (2).
3. The MBR (membrane bioreactor) sewage treatment system according to claim 1, wherein the adjusting tank (1) is further connected with an acid tank (8) and an alkali tank (9) through a drug feeding pipeline (16).
4. The MBR membrane bioreactor sewage treatment system according to claim 1, wherein the clean water tank (4) is connected to a wastewater standard recovery or discharge system (21) via a wastewater conduit (15).
5. The MBR membrane bioreactor sewage treatment system according to claim 1, wherein an aeration device is installed in the O tank (3), and the aeration device is connected with a blower (7) through an aeration pipeline (18).
6. The MBR (membrane bioreactor) sewage treatment system according to claim 1, 2, 3, 4 or 5, wherein the MBR (membrane bioreactor) 5 is further connected with the clean water tank (4) through a backwashing pipeline (17), and the backwashing pipeline (17) is provided with an MBR backwashing pump (13).
7. The MBR membrane bioreactor sewage treatment system according to claim 6, wherein the MBR membrane bioreactor (5) is further connected with a pickling tank (10) and an alkaline washing tank (11) through a drug feeding pipeline (16).
8. The MBR membrane bioreactor sewage treatment system according to claim 1, wherein the bottom of the O tank (3) is connected with the A tank (2) through a return pipe (19) and a return pump (14).
CN201921132800.3U 2019-07-18 2019-07-18 MBR membrane bioreactor sewage treatment system Active CN210419440U (en)

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CN201921132800.3U CN210419440U (en) 2019-07-18 2019-07-18 MBR membrane bioreactor sewage treatment system

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Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113264586A (en) * 2021-06-02 2021-08-17 知和环保科技有限公司 MBR (membrane bioreactor) process for treating nitrate wastewater

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113264586A (en) * 2021-06-02 2021-08-17 知和环保科技有限公司 MBR (membrane bioreactor) process for treating nitrate wastewater

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