CN209456151U - A kind of multistage A/O-MBR integrated sewage treating apparatus - Google Patents
A kind of multistage A/O-MBR integrated sewage treating apparatus Download PDFInfo
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- CN209456151U CN209456151U CN201822181547.2U CN201822181547U CN209456151U CN 209456151 U CN209456151 U CN 209456151U CN 201822181547 U CN201822181547 U CN 201822181547U CN 209456151 U CN209456151 U CN 209456151U
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- reaction zone
- mbr
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- multistage
- tank body
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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- Separation Using Semi-Permeable Membranes (AREA)
- Activated Sludge Processes (AREA)
Abstract
The utility model provides a kind of multistage A/O-MBR integrated sewage treating apparatus, tank body is provided centrally with annular inner cylinder, it is MBR reaction zone in center in annular inner cylinder, region between annular inner cylinder and the inner wall of tank body is separated into multiple A/O reaction zones by radial partition, diversion pipe connection between adjacent A/O reaction zone by being arranged on radial partition, segmentation/mixed liquor reflux water inlet is provided on the side wall of each A/O reaction zone, mixed liquor water outlet, agitating device and microporous aeration device are provided in every A/O reaction zone, at least one A/O reaction zone passes through center MBR reaction zone water inlet and center MBR reaction zone connection；The center bottom end of tank body is provided with center microporous aeration device, three-phase separating tube is provided in annular inner cylinder, there is distance between the lower end of three-phase separating tube and the top surface of center aerator, membrane module is provided in three-phase separating tube, final outflow water mouth and backwashing water import are provided on membrane module.Flexible operation, high treating effect.
Description
Technical field
The utility model relates to a kind of sewage-treatment plants, more particularly to a kind of multistage A/O-MBR integrated sewage water
Processing unit.
Background technique
China is the country of a serious water shortage.Haihe River, the Liaohe River, Huaihe River, the Yellow River, Song Hua River, the Changjiang river and the big rivers of the Zhujiang River 7
Water system, by different degrees of pollution, water pollution control problem is extremely urgent.Water pollution processing at present can be divided into two kinds of moulds
Formula: centralized sewage treatment and decentralized type sewage processing.As state sewage emission standard is continuously improved, China is most of at present
Dispersant type domestic wastewater mode be also difficult to realize stably reaching standard, reason is that decentralized type sewage is difficult to obtain effective fund
And technical support.Therefore exploitation high degree of automation, occupied area is small, and the decentralized type sewage processing equipment of high treating effect is solution
The certainly key link that sewage dispersion in China's is administered.
Patent document CN201510843415.X discloses integrated preposition denitrification sewage-treatment plant, using being settled out
Water, lacks efficient device for separating mud and water, and device volume needs to be further reduced；Patent document CN201710370769.6 is disclosed
Integrated jetting type sewage-treatment plant, only level-one A/O system, Nitrogen/Phosphorus Removal can be by adding multistage A/O
It further enhances；Patent document CN201710784514.4 discloses for integral anaerobic ammoxidation sewage-treatment plant, mainly
Using Anammox technology, but since anaerobic environment control is more demanding, it is easy to produce peculiar smell evolution, needs personal management.
Patent document 201810332928.8 discloses a kind of modified form A/O-MBR integrated apparatus and its sewage treatment side
Method includes aerobic tank, anoxic pond and MBR membrane cisterna, is separated between aerobic tank and anoxic pond by partition, and partition upper and lower side is equipped with mud
Water distribution channel；Aerator is equipped in aerobic tank；Aerobic tank is equipped with sewage inlet, and the membrane module of MBR membrane cisterna is equipped with collection
Water outlet conduit.The device also only has level-one aerobic tank and anaerobic pond.
Water pollutant removal is related to that reaction type class is more, and single aerobic, anaerobic condition are less likely that removal can be met
It needs, needs exploitation associated dispersion formula integrated high-efficiency sewage treatment device thus.
Utility model content
In order to solve the above-mentioned technical problem, the utility model provides a kind of multistage A/O-MBR integrated sewage disposal dress
It sets, flexible operation, high treating effect.
In order to realize the above-mentioned purpose of the utility model, it is dirty that the utility model provides a kind of multistage A/O-MBR integration
Water treatment facilities, including tank body, it is characterised in that: the tank body is provided centrally with annular inner cylinder, the region in annular inner cylinder
For center MBR reaction zone, it is anti-that region between the annular inner cylinder and the inner wall of tank body by radial direction partition is separated into multiple A/O
Area is answered, by the diversion pipe connection being arranged on radial partition between adjacent A/O reaction zone, on the side wall of each A/O reaction zone
It is provided with segmentation/mixed liquor reflux water inlet and mixed liquor water outlet, is provided with agitating device and micropore in each A/O reaction zone
Aerator；
At least one A/O reaction zone is joined by center MBR reaction zone water inlet and center MBR reaction zone when the device is running
It is logical；
The center MBR reaction zone bottom end of the tank body is provided with center microporous aeration device, the center MBR reaction zone ring
It is provided with three-phase separating tube in shape inner cylinder, has distance between the lower end of the three-phase separating tube and the top surface of center aerator,
MBR membrane module is provided in the three-phase separating tube, be provided on the MBR membrane module final outflow water mouth and backwashing water into
Mouthful.
Using the above scheme, according to the requirement of sewage denitrification and dephosphorization, in multistage A/O reaction zone, by controlling differential responses
The different aeration quantity in area and aeration mode and reflux type realize the reaction condition of aerobic, anoxic, anaerobism, can be for difference
Influent quality and water outlet require, and flexible modulation operational mode realizes efficient process.
The sewage of the A/O reaction zone of afterbody enters center MBR reaction zone, by realizing clear water row after MBR membrane module
It puts.
In above scheme: the lower part flare of three-phase separating tube.Be conducive to the MBR film that sewage enters in three-phase separating tube
Component.
In above scheme: the bottom end of each A/O reaction zone is provided with excess sludge mud discharging mouth.Facilitate A/O reaction zone
The discharge of base sludge.
In above scheme: the bottom end at the center of the tank body is provided with excess sludge mud discharging mouth.Excess sludge mud discharging mouth with
Annular inner cylinder connection.Facilitate the discharge of the sludge of center MBR reaction zone.
In above scheme: the center microporous aeration disc is annular gap aeration plate.Meet sewage treatment requirement and mitigation
Fouling membrane.
In above scheme: one of A/O reaction zone is joined by center MBR reaction zone water inlet and center MBR reaction zone
Logical, when device is run, the A/O reaction zone is as afterbody A/O reaction zone.The sewage of the A/O reaction zone of afterbody enters
Center MBR reaction zone.
In above scheme, the top of the tank body is cylindrical, and lower part is truncated cone-shaped.
In above scheme, the top of the tank body is provided with cover board.Prevent sewage treatment peculiar smell from escaping.The above scheme
In, A/O reaction zone is six.
The central axes of tank body described in above scheme, the central axes of annular inner cylinder, the central axes of three-phase separating tube and MBR
The center line of membrane module is on the same line.Facilitate installation.
The utility model has the advantages that there is the utility model small occupied area, high degree of automation, flexible operation, service condition to be easy to
The advantages that control, good treatment efficiency.
Detailed description of the invention
Fig. 1 is the top view of the utility model.
Fig. 2 is the A-A cross-sectional view of Fig. 1.
Fig. 3 is the utility model side view.
Fig. 4 is operation instruction figure.
Specific embodiment
The utility model is described further with reference to the accompanying drawings and examples.
Embodiment 1, as shown in Figure 1-3, a kind of multistage A/O-MBR integrated sewage treating apparatus of the utility model is by tank
Body 1, annular inner cylinder 2, radial partition 3, diversion pipe 4, segmentation/mixed liquor reflux water inlet 5, mixed liquor water outlet 6, agitating device
7, microporous aeration device 8, center microporous aeration device 9, three-phase separating tube 10, MBR membrane module 11, final outflow water mouth 12, recoil
Wash water import 13, excess sludge mud discharging mouth 14, tracheae are formed across hole 15.
The top of tank body 1 is cylindrical, and lower part is truncated cone-shaped, and occupied area is smaller, installs more flexible.The top of tank body 1
End is provided with cover board (cover board is not drawn into figure).
Tank body 1 is provided centrally with annular inner cylinder 2, and the space in annular inner cylinder 2 is center MBR reaction zone, annular inner cylinder 2
Region between the inner wall of tank body 1 passes through radial partition 3 and is separated into multiple A/O reaction zones, that is, is partitioned into the A/O of multiple sectors
Reaction zone.Six are separated in figure.Pass through 4 connection of diversion pipe being arranged on radial partition 3, water conservancy diversion between adjacent A/O reaction zone
Battery valve is provided on pipe 4.It is provided with segmentation/mixed liquor reflux water inlet 5 on the side wall of each A/O reaction zone and mixed liquor goes out
The mouth of a river 6, in figure, segmentation/mixed liquor reflux water inlet 5 and mixed liquor water outlet 6 are almost in sustained height.Every A/O reaction zone
It is inside provided with agitating device 7 and microporous aeration device 8, agitating device 7 is the agitating device of adjustable speed.Air inlet pipe passes through tank body 1
Tracheae on side wall passes through hole 15 and is connected with microporous aeration device 8, and air inlet pipe is connected with air compressor machine.The bottom of each A/O reaction zone
End is provided with excess sludge mud discharging mouth 14.
At least one A/O reaction zone passes through center MBR reaction zone water inlet and center MBR reaction zone connection.It is preferred that only its
In A/O reaction zone by center MBR reaction zone water inlet and center MBR reaction zone connection, when device is run, the A/O is anti-
Answering area is afterbody reaction zone.That is the sewage of afterbody A/O reaction zone enters center MBR reaction zone.Of course for convenient
Operation, can also each A/O reaction zone be respectively provided with center MBR reaction zone water inlet and center MBR reaction zone connection.
To meet sewage treatment requirement and mitigating fouling membrane, the center bottom end of tank body 1 is provided with center microporous aeration device 9
Progressive aeration, center microporous aeration disc 9 are annular gap aeration plate.Three-phase separating tube 10, three-phase are provided in annular inner cylinder 2
There is distance between the lower end of separating tube 10 and the top surface of center aerator 9, MBR membrane module is provided in three-phase separating tube 10
11, the lower part flare of three-phase separating tube 10, the central axes of tank body 1, the central axes of annular inner cylinder 2, three-phase separating tube 10
The center line of central axes and MBR membrane module 11 is on the same line.The bottom end at the center of tank body 1 is provided with excess sludge spoil disposal
Mouth 14.2 connection of the excess sludge mud discharging mouth 14 at center and annular inner cylinder, facilitates the mud discharging of MBR reaction zone.MBR membrane module
11 tops are provided with final outflow water mouth 12 and backwashing water import 13.Water convenient for cleaning discharges and is connected with external backwashing equipment
It is rinsed.
It is introduced when use: as shown in figure 4,1.-it is 6. six A/O reaction zones, 6. number A/O reaction zone is anti-by center MBR
Answer area's water inlet and center MBR reaction zone connection.
The 1. diversion pipe between 6. A/O reaction zone is closed, is first flowed back by segmentation/mixed liquor of 1. number A/O reaction zone
The mouth of a river 5 enters sewage raw water, according to 1. -6. number A/O reaction zone sequence pass through the diversion pipe on radial partition and flow, finally from 6.
Number A/O reaction zone enters center MBR reaction zone, and is discharged by center MBR membrane module 11.
Require the switch for adjusting A/O reaction zone microporous aeration device 8 to manufacture according to practical influent quality feature and water outlet
Detest (scarce) oxygen, aerobic environment, adjusts optimization process operating condition.
Using the integrated apparatus of the utility model handle certain villages and small towns sewage (COD=250 ± 46mg/L, TN=50 ±
21mg/L、NH4 +- N=40 ± 15mg/L, TP=8 ± 4mg/L, SS=200 ± 41mg/L).
Setting device total hrt is 8h (multistage A/O reaction zone 6h, MBR reaction zone 2h), 1. 5. setting is A
3. (anoxic) area is A (anaerobism) area, be 6. 4. 2. O (aerobic) area, adjust each area's dissolved oxygen (DO) by aerator, control
Device A area DO < 0.3mg/L, the area O DO=2.0-3.0mg/L, by be 2. back to 1., be 6. back to 5. in the way of, setting mixing
Liquid reflux ratio 200% flows back, and realizes anaerobic environment 1. 5., is controlled by the excess sludge mud discharging mouth 14 of A/O reaction zone
Multistage A/O reaction zone MLSS=2500-300mg/L, sludge age SRT=10d, MBR reaction zone MLSS=4000-5000mg/L,
Sludge age SRT=20d controls ph=7.0-8.0 by adding sodium hydroxide, controls temperature T=20-25 by heating system
DEG C, the DO=2.0 for realizing central reaction area, center MBR membrane module backwash week are aerated by control centre's MBR reaction zone bottom
Phase is 4:1.National " sewage monitoring technical specification " detection, continuous operation 30d are pressed to each index is discharged.
Effluent quality measurement result shows that reaction unit start completion after 15d, indices handling rate tend towards stability, surely
COD, TN, NH after fixed4 +- N, TP, SS removal rate be respectively 92.5%, 78.4%, 85.4%, 96.4%, 98.4%, meet state
Family level-one A marks discharge standard.This device integration degree is higher, can effectively save installation area, improve pollutant removal
Efficiency, enhancement device operation stability.
While there has been shown and described that the embodiments of the present invention, it will be understood by those skilled in the art that:
These embodiments can be carried out with a variety of variations, modification, replacement in the case where not departing from the principles of the present invention and objective
And modification, the scope of the utility model are defined by the claims and their equivalents.
Claims (10)
1. a kind of multistage A/O-MBR integrated sewage treating apparatus, including tank body, it is characterised in that: the center of the tank body is set
It is equipped with annular inner cylinder, the region in annular inner cylinder is center MBR reaction zone, the area between the annular inner cylinder and the inner wall of tank body
Domain is separated into multiple A/O reaction zones by radial partition, passes through the water conservancy diversion being arranged on radial partition between adjacent A/O reaction zone
Pipe connection is provided with segmentation/mixed liquor reflux water inlet and mixed liquor water outlet, each A/O on the side wall of each A/O reaction zone
Agitating device and microporous aeration device are provided in reaction zone；
At least one A/O reaction zone passes through center MBR reaction zone water inlet and center MBR reaction zone connection when the device is running；
The center MBR reaction zone bottom end of the tank body is provided with center microporous aeration device, in the center MBR reaction zone annular
It is provided with three-phase separating tube in cylinder, has distance between the lower end of the three-phase separating tube and the top surface of center aerator, it is described
It is provided with MBR membrane module in three-phase separating tube, is provided with final outflow water mouth and backwashing water import on the MBR membrane module.
2. a kind of multistage A/O-MBR integrated sewage treating apparatus according to claim 1, it is characterised in that: three-phase separate every
The lower part flare of cylinder.
3. a kind of multistage A/O-MBR integrated sewage treating apparatus according to claim 2, it is characterised in that: each A/O is anti-
The bottom end in area is answered to be provided with excess sludge mud discharging mouth.
4. a kind of multistage A/O-MBR integrated sewage treating apparatus according to claim 3, it is characterised in that: the tank body
The bottom end at center be provided with excess sludge mud discharging mouth.
5. any one of -4 a kind of multistage A/O-MBR integrated sewage treating apparatus according to claim 1, it is characterised in that:
The center microporous aeration disc is annular gap aeration plate.
6. a kind of multistage A/O-MBR integrated sewage treating apparatus according to claim 5, it is characterised in that: one of them
A/O reaction zone is by center MBR reaction zone water inlet and center MBR reaction zone connection, and when device is run, which makees
For afterbody A/O reaction zone.
7. a kind of multistage A/O-MBR integrated sewage treating apparatus according to claim 6, it is characterised in that: the tank body
Top it is cylindrical, lower part is truncated cone-shaped.
8. a kind of multistage A/O-MBR integrated sewage treating apparatus according to claim 7, it is characterised in that: the tank body
Top be provided with cover board.
9. a kind of multistage A/O-MBR integrated sewage treating apparatus according to claim 1, it is characterised in that: the A/O is anti-
Answering area is six.
10. a kind of multistage A/O-MBR integrated sewage treating apparatus according to claim 1, it is characterised in that: the tank body
Central axes, the central axes of annular inner cylinder, the central axes of three-phase separating tube and MBR membrane module center line in same straight line
On.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201822181547.2U CN209456151U (en) | 2018-12-25 | 2018-12-25 | A kind of multistage A/O-MBR integrated sewage treating apparatus |
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| CN201822181547.2U CN209456151U (en) | 2018-12-25 | 2018-12-25 | A kind of multistage A/O-MBR integrated sewage treating apparatus |
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| CN209456151U true CN209456151U (en) | 2019-10-01 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111362399A (en) * | 2018-12-25 | 2020-07-03 | 重庆科技学院 | Multistage A/O-MBR integrated sewage treatment device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111362399A (en) * | 2018-12-25 | 2020-07-03 | 重庆科技学院 | Multistage A/O-MBR integrated sewage treatment device |
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