CN109650541B - A kind of sewage water treatment method based on multistage A/O and MABR - Google Patents
A kind of sewage water treatment method based on multistage A/O and MABR Download PDFInfo
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- CN109650541B CN109650541B CN201910007442.1A CN201910007442A CN109650541B CN 109650541 B CN109650541 B CN 109650541B CN 201910007442 A CN201910007442 A CN 201910007442A CN 109650541 B CN109650541 B CN 109650541B
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- UEKDBDAWIKHROY-UHFFFAOYSA-L bis(4-bromo-2,6-ditert-butylphenoxy)-methylalumane Chemical compound [Al+2]C.CC(C)(C)C1=CC(Br)=CC(C(C)(C)C)=C1[O-].CC(C)(C)C1=CC(Br)=CC(C(C)(C)C)=C1[O-] UEKDBDAWIKHROY-UHFFFAOYSA-L 0.000 title claims abstract description 118
- 239000010865 sewage Substances 0.000 title claims abstract description 113
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 87
- 238000000034 method Methods 0.000 title claims abstract description 74
- 230000008569 process Effects 0.000 claims abstract description 22
- 230000001376 precipitating effect Effects 0.000 claims abstract description 4
- 239000006228 supernatant Substances 0.000 claims abstract description 4
- 239000010802 sludge Substances 0.000 claims description 65
- 238000005276 aerator Methods 0.000 claims description 35
- 239000012528 membrane Substances 0.000 claims description 27
- 238000010992 reflux Methods 0.000 claims description 20
- 238000005192 partition Methods 0.000 claims description 18
- 239000007789 gas Substances 0.000 claims description 14
- 238000005273 aeration Methods 0.000 claims description 8
- 238000007599 discharging Methods 0.000 claims description 8
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 7
- 239000001301 oxygen Substances 0.000 claims description 7
- 229910052760 oxygen Inorganic materials 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 2
- 238000005265 energy consumption Methods 0.000 description 4
- 239000003344 environmental pollutant Substances 0.000 description 4
- 231100000719 pollutant Toxicity 0.000 description 4
- 239000002351 wastewater Substances 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 3
- 230000014759 maintenance of location Effects 0.000 description 3
- 244000005700 microbiome Species 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 241000894007 species Species 0.000 description 2
- 239000002352 surface water Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 206010021143 Hypoxia Diseases 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000007954 hypoxia Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006396 nitration reaction Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
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- Life Sciences & Earth Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The embodiment of the invention provides a kind of sewage water treatment methods based on multistage A/O and MABR comprising: (1) treatment sewage respectively enter sewage anaerobic zone (2) anaerobic zone in through Anaerobic Treatment after into level-one anoxic zone；Sewage in level-one anoxic zone enters level-one aerobic zone after first time anoxic treatment；Sewage in level-one aerobic zone enters second level anoxic zone after first time Aerobic Process for Treatment, carries out second of anoxic treatment；(3) second level anoxic zone water outlet enters the area MABR；(4) water outlet of second level aerobic zone enters settling zone, and the sewage in settling zone is after precipitating, supernatant liquor outlet.Multistage A/O technique is combined with MABR technique, can effectively handle sewage by a kind of sewage water treatment method based on multistage A/O and MABR provided in an embodiment of the present invention.
Description
Technical field
The present invention relates to technical field of sewage, more particularly to a kind of sewage treatment based on multistage A/O and MABR
Method.
Background technique
As people's awareness of environmental protection continues to increase, is not included in the holiday village of Municipal pipe network coverage area, restaurant, remote
Processing from intown villa quarter, the decentralized type sewage in the villages and small towns etc. of scattered distribution has gradually obtained more concerns.By
Have the characteristics that displacement is small and scattered, variation water quality is big in these decentralized type sewages, therefore should not be adopted in reason scheme at which
With more mature municipal sewage technique, and some concise in technology, high treating effect should be used, land occupation saves, low energy consumption, operation pipe
The sewage treatment process scheme that reason is easy, secondary pollution is few, handles these decentralized type sewages.
Multistage A/O technique (multi-stage anaerobic/aerobic process) is that there are aerobic and oxygen and anaerobic organism bacterium using activated sludge
The characteristics of group, makes A sections (to lack by forming the biotic environment of multistage A (anoxic) and multistage O (aerobic) in a processing system
Oxygen section) and O sections (aerobic section) by technique requirement carry out alternate combinations.
Its full name of MABR technique is membrane aeration biomembrane reactor (Membrane Aerated Biofilm
Reactor, MABR), it is the advanced aerobic biological treatment process of low energy consumption, because of the characteristic of MABR film, depth of water resistance was to being aerated
The influence of journey is negligible, so without pressurizeing to air, with traditional aeration system compared to significant decrease energy consumption.It is constant
Low-pressure air membrane module is entered by the gap between ventilated membrane and wall, then oxygen is fitted in water.The structure can reach
To optimal oxygen transfer efficiency, oxygen is by free diffusing mechanism from the waste water that the side of film is diffused into the other side.In film table
The biological membranous layer in face, may be implemented synchronous nitration and denitrification, has compared with traditional biological embrane method and efficiently removes very much pollutant
It is horizontal.
Based on this, how multistage A/O technique to be integrated with MABR technique, form a kind of effective sewage treatment side
Method is especially adapted for use in the processing method of decentralized type sewage, is this field urgent problem to be solved.
Summary of the invention
The embodiment of the present invention is designed to provide a kind of sewage water treatment method based on multistage A/O and MABR.Specific skill
Art scheme is as follows:
A kind of sewage water treatment method based on multistage A/O and MABR, applied to a kind of one based on multistage A/O and MABR
Change sewage disposal device；
The integrated sewage treating apparatus, comprising:
Cabinet, water inlet line, outlet conduit, sludge reflux discharge line and equipment room；
The box house is successively separated by partition with lower treatment plot: anaerobic zone, level-one anoxic zone, level-one aerobic zone,
Second level anoxic zone, the area MABR, second level aerobic zone and settling zone；
The anaerobic zone is connected to level-one anoxic zone top；The level-one anoxic zone and level-one aerobic zone lower part
Connection；The level-one aerobic zone is connected to second level anoxic zone top；The second level anoxic zone and the area MABR lower part connect
It is logical；The area MABR is completely isolated by partition between the two with the second level aerobic zone；The second level aerobic zone sinks with described
The connection of shallow lake area top；
Level-one aerator is provided in the level-one aerobic zone；Second level aerator is provided in the second level aerobic zone；
At least one MABR membrane module is provided in the area MABR；Each MABR membrane module includes MABR film and water flowing
Pipeline, the water pipe are connected to the partition between the area MABR and second level aerobic zone；
The anaerobic zone and the second level anoxic zone are connected to the water inlet line；
The outlet conduit is communicated with above the settling zone；
The sludge reflux discharge line includes that sludge air lift is in charge of, mud discharging is in charge of and sludge reflux is in charge of；It is described
Sludge air lift, which is in charge of, to be protruded into the settling zone, and the mud inlet that the sludge air lift is in charge of is located at settling zone bottom；The dirt
The mud mouth that mud reflux is in charge of is connected to the anaerobic zone；
Blower and electric-control system are laid in the equipment room；
The blower is in charge of company with level-one aerator, second level aerator, MABR film, sludge air lift respectively by air pipeline
It is logical；
The electric-control system is used to control the operation of blower；
The sewage water treatment method includes:
(1) treatment sewage respectively enters anaerobic zone and second level anoxic zone, wherein the total volume based on treatment sewage, into
The volume fraction for entering the treatment sewage in anaerobic zone is 60%~80%, into the body of the treatment sewage in second level anoxic zone
Fraction is 20%~40%；
(2) sewage in anaerobic zone enters level-one anoxic zone after Anaerobic Treatment；Sewage in level-one anoxic zone is through first
Enter level-one aerobic zone after secondary anoxic treatment；Sewage in level-one aerobic zone enters second level anoxic after first time Aerobic Process for Treatment
Area carries out second of anoxic treatment；Preferably, the hydraulic detention time of sewage is 0.5~2 hour in anaerobic zone, level-one anoxic
The hydraulic detention time of sewage is 0.5~2 hour in area, and the hydraulic detention time of sewage is 2~8 hours in level-one aerobic zone,
The hydraulic detention time of sewage is 0.5~2 hour in second level anoxic zone；
(3) water outlet of second level anoxic zone enters the area MABR, and the sewage in the area MABR flows from bottom to top, after contacting with MABR film
Into in water pipe, is entered in the second level aerobic zone by water pipe and carry out second of Aerobic Process for Treatment；Preferably, MABR
The hydraulic detention time of sewage is 2-8 hours in area；The hydraulic detention time of sewage is 2~5 hours in second level aerobic zone；
(4) water outlet of second level aerobic zone enters settling zone, and the sewage in settling zone is after precipitating, supernatant liquor outlet；Water
In sludge settling to settling zone bottom after, partial sludge is in charge of through sludge reflux is back to anaerobic zone, and excess sludge is through sludge
Discharge branches outlet；Preferably, the return sludge ratio for being back to anaerobic zone is 40-100%.
In certain embodiments of the present invention, it can be moved horizontally for separating the partition of each treatment region, it is each to adjust
The volume for the treatment of region.
In certain embodiments of the present invention, the level-one aerator and the second level aerator respectively select
From: tube aerator, plate-type aerator or rotational flow aeration device.
In certain embodiments of the present invention, the material of the cabinet is stainless steel or glass steel material, box shape
For cuboid or tank shape.
In certain embodiments of the present invention, MABR film is wound in the water pipe surface；The water pipe top
Portion's opening, sealed bottom, and water pipe bottom is connected to by the partition between pipeline and the area MABR and second level aerobic zone.
In certain embodiments of the present invention, when being provided with multiple MABR membrane modules in the area MABR, each MABR film group
Part passes through the air inlet and gas outlet serial or parallel connection of respective MABR film.
In certain embodiments of the present invention, respectively with level-one aerator, second level aerator, MABR film, sewage gas
It mentions and is provided with pressure sensor and/or gas flow sensor on the air pipeline for be in charge of connection, for surveying in air pipeline
Air pressure and/or flow.
In certain embodiments of the present invention, the electric-control system inside PLC module, the PLC module and the wind
Mechatronics, for controlling the operation of blower.
In certain embodiments of the present invention, the electric-control system further includes wireless transport module, for whole to control
The operation data of the blower is transmitted at end, and/or receives the control instruction of controlling terminal, to trigger the PLC module control wind
The operation of machine.
In certain embodiments of the present invention, the equipment room can be integrated with the cabinet or described be set
It can be discretely located with the cabinet between standby.
A kind of sewage water treatment method based on multistage A/O and MABR provided in an embodiment of the present invention, by multistage A/O technique
It is combined with MABR technique, can effectively handle sewage；Further, which is applied to a kind of based on multistage
The integrated sewage treating apparatus of A/O and MABR；Each treatment region is integrated in a cabinet by the equipment, and occupied area is small；If
It is standby that aeration and backflow functionality can be realized using a set of blower, significantly reduce aerobic zone and anoxic zone volume and energy consumption；Cause
This sewage water treatment method is suitable for the processing of decentralized type sewage；
Further, equipment can change the volume size in respective handling area according to water quality situation, and flexible configuration aeration is strong
Degree and selection MABR membrane module length, are suitble to the sewage in small towns, hotel, the restaurant big to variation water quality etc. to carry out at distributing
Reason.
Certainly, implement any of the products of the present invention or method it is not absolutely required at the same reach all the above excellent
Point.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of the integrated sewage treating apparatus provided by the invention based on MABR；
Fig. 2 is the structural schematic diagram of tank shape.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The present invention provides a kind of sewage water treatment methods based on multistage A/O and MABR, are applied to a kind of based on multistage A/O
And the integrated sewage treating apparatus of MABR；
The integrated sewage treating apparatus, comprising:
Cabinet 11, water inlet line 1, outlet conduit 9, sludge reflux discharge line 10 and equipment room 12；
Successively be separated by partition with lower treatment plot inside the cabinet 11: anaerobic zone 2, level-one anoxic zone 3, level-one are aerobic
Area 4, second level anoxic zone 5, the area MABR 6, second level aerobic zone 7 and settling zone 8；
The anaerobic zone 2 is connected to 3 top of level-one anoxic zone；The level-one anoxic zone 3 and the level-one aerobic zone 4
Lower part connection；The level-one aerobic zone 4 is connected to 5 top of second level anoxic zone；The second level anoxic zone 5 and the area MABR
The connection of 6 lower parts；The area MABR 6 is completely isolated by partition between the two with the second level aerobic zone 7；The second level aerobic zone
7 are connected to 8 top of settling zone；
Level-one aerator 41 is provided in the level-one aerobic zone 4；Second level aerator is provided in the second level aerobic zone 7
71；
At least one MABR membrane module 61 is provided in the area MABR 6；Each MABR membrane module include MABR film 611 with
And water pipe 612, the water pipe 612 are connected to the partition between the area MABR 6 and second level aerobic zone 7；
The anaerobic zone 2 and the second level anoxic zone 5 are connected to the water inlet line 1；
The outlet conduit 9 is communicated with above the settling zone 8；
The sludge reflux discharge line 10 is in charge of 101, mud discharging including sludge air lift and is in charge of 102 and sludge reflux point
Pipe 103；The sludge air lift is in charge of 101 and is protruded into the settling zone 8, and the sludge air lift is in charge of 101 mud inlet and is located at
8 bottom of settling zone；The mud mouth that the sludge reflux is in charge of 103 is connected to the anaerobic zone 2；
Blower 121 and electric-control system 122 are laid in the equipment room 12；
The blower 121 by air pipeline respectively with level-one aerator 41, second level aerator 71, MABR film 611, sludge
Air lift is in charge of 101 connections；
The electric-control system 122 is used to control the operation of blower 121；
The sewage water treatment method includes:
(1) treatment sewage respectively enters anaerobic zone 2 and second level anoxic zone 5, wherein the total volume based on treatment sewage,
Volume fraction into the treatment sewage in anaerobic zone 2 is 60%~80%, the treatment sewage into second level anoxic zone 5
Volume fraction be 20%~40%；
(2) sewage in anaerobic zone 2 enters level-one anoxic zone 3 after Anaerobic Treatment；Sewage in level-one anoxic zone 3 is through
Enter level-one aerobic zone 4 after anoxic treatment；Sewage in level-one aerobic zone 4 enters second level after first time Aerobic Process for Treatment
Anoxic zone 5 carries out second of anoxic treatment；
(3) water outlet of second level anoxic zone 5 enters the area MABR 6, and the sewage in the area MABR 6 flows from bottom to top, with MABR film 611
Enter in water pipe 612 after contact, it is aerobic for the second time to enter progress in the second level aerobic zone 7 by water pipe 612
Reason
(4) water outlet of second level aerobic zone enters settling zone 8, and the sewage in settling zone 8 is after precipitating, supernatant liquor outlet；
After sludge settling to settling zone bottom in water, partial sludge is in charge of 103 through sludge reflux and is back to anaerobic zone 2, excess sludge
It is in charge of 102 outlets through mud discharging.
In the present invention, outlet, which refers to, to be emitted into except the cabinet 11 of integrated sewage treating apparatus.
In certain embodiments of the present invention, the hydraulic detention time of sewage is 0.5~2 hour in anaerobic zone, level-one
The hydraulic detention time of sewage is 0.5~2 hour in anoxic zone, and the hydraulic detention time of sewage is 2~8 small in level-one aerobic zone
When, the hydraulic detention time of sewage is 0.5~2 hour in second level anoxic zone.
In certain embodiments of the present invention, the hydraulic detention time of sewage is 2-8 hours in the area MABR；Second level is aerobic
The hydraulic detention time of sewage is 2~5 hours in area；
In certain embodiments of the present invention, the return sludge ratio for being back to anaerobic zone is 40-100%.In the present invention
In, return sludge ratio refers to the ratio of the inflow of the sludge reflux flow and anaerobic zone that are back to anaerobic zone.Of the invention
In technical solution, the water content of the sludge of reflux or outlet is very high, can achieve 98% or more.
In the inventive solutions, any two treatment region is separated by partition, therefore in the specific implementation process,
The quantity of partition can be 6.
In some embodiments of the present invention, it can be moved horizontally for separating the partition of each treatment region, to adjust place
Manage the volume in area.Described moving horizontally can be understood as moving along the orientation of each treatment region.In specific implementation process
In, the movement of partition can be realized by modes such as setting sliding rails.It, can be more easily according to water quality feelings by mobile dividing plate
Condition changes to adjust the volume of each treatment region；It is more suitable for the processing of decentralized type sewage.
In specific implementation process of the invention, at least one MABR membrane module 61 is full of MABR in the horizontal direction as far as possible
Area 6；It can guarantee the water body flowed into from second level anoxic zone 5, the as far as possible lower section from MABR film 611 in this way, through MABR film 611
It flows up, nitrify/the reaction such as denitrification and Anammox；Water body is after MABR film 611, then overflow enters institute
It states in water pipe 612, is entered in the second level aerobic zone 7 by water pipe 612.
In certain embodiments of the present invention, MABR film 611 is wound in 612 surface of water pipe；The water flowing
612 top opening of pipeline, sealed bottom, and its bottom pass through between pipeline 613 and the area MABR 6 and second level aerobic zone 7
Partition connection.The water body entered in water pipe 612 can be entered in second level aerobic zone 7 by pipeline 613.
In certain embodiments of the present invention, MABR membrane module can wind as cylinder.
In certain embodiments of the present invention, when being provided with multiple MABR membrane modules in the area MABR, each MABR film group
Part passes through the air inlet and gas outlet serial or parallel connection of respective MABR film.
Generally, MABR film has air inlet；There can be gas outlet, can also there is no gas outlet；Of the invention specific
It, can be using the MABR film with air inlet and gas outlet when being provided with multiple MABR membrane modules in embodiment.It is specific real
During applying, by the air inlet phase of the gas outlet of the MABR film of a MABR membrane module and the MABR film of another MABR membrane module
Even；After all MABR membrane modules are connected in this way, it is achieved that the series connection of each MABR membrane module；By each MABR membrane module
The air inlet of MABR film is connected, then the gas outlet of the MABR film of each MABR membrane module is connected, and is achieved that each MABR membrane module
Parallel connection.
It certainly, can be using the MABR with air inlet and gas outlet when being provided with 1 MABR membrane module in the area MABR
Film, can also be using the MABR film of only air inlet.
In specific implementation process of the invention, 61 bottom of MABR membrane module is connect by bracket with 11 bottom of cabinet.
MABR film of the present invention can use the hollow-fibre membrane of high molecular material, in specific implementation process,
MABR film can be bought by commercial sources；Related technical personnel can select suitable MABR film according to actual needs.
Since aerator has air inlet, MABR film also has air inlet；Therefore in the specific implementation process, blower 121
The air pipeline air inlet phase with the air inlet of level-one aerator, the air inlet of second level aerator, MABR film respectively can be passed through
Even, to be supplied to level-one aerator, second level aerator, MABR film.And sludge air lift is in charge of, blower 121 can pass through sky
Feed channel is communicated to sludge air lift and is in charge of to supply thereto.It is understood that blower is by different air pipelines
It is in charge of with level-one aerator, second level aerator, MABR film, sludge air lift and is connected to.
In certain embodiments of the present invention, respectively with level-one aerator 41, second level aerator 71, MABR film 611,
Sludge air lift, which is in charge of on the air pipeline of 101 connections, is arranged pressure sensor and/or gas flow sensor, for surveying air hose
Air pressure and/or flow in road.
The technical scheme is that sludge is discharged from settling zone using air lift technology；In specific implementation process,
The mud inlet that sludge air lift is in charge of is located in the sludge of settling zone lower part, when blower is in charge of middle input air to sludge air lift,
Principle based on air lift, the sludge in settling zone can be promoted in sludge air lift is in charge of, is finally discharged from settling zone, then
Mud discharging is entered to be in charge of and/or during sludge reflux is in charge of, discharges and/or flowed back into anaerobic zone to outside equipment.
In the specific implementation process, can mud discharging be in charge of 102 and sludge reflux be in charge of on 103 valve be respectively set
Door, for controlling the flow direction of sludge.
In the specific implementation process, sludge air lift be in charge of 101, mud discharging be in charge of 102 and sludge reflux be in charge of 103 can be with
It is communicated with each other by the pipe fitting of a threeway, forms sludge reflux discharge line 10；It can also be connected directly between by welding
Together.
In certain embodiments of the present invention, 122 inside PLC of electric-control system (programmable logic controller (PLC)) module, institute
It states PLC module to be electrically connected with the blower 121, for controlling the operation of blower.The operation of described blower can be understood as wind
Starting, stopping, revolving speed of machine etc..
In certain embodiments of the present invention, electric-control system 122 further includes wireless transport module, for long-range control
The operation data of blower 121 described in terminal transmission processed, and/or the control instruction of controlling terminal is received, to trigger the PLC module
Control the operation of blower.In specific implementation process, wireless transport module can be communicated to connect with PLC module.Described blower
Operation data includes voltage, electric current, temperature of blower etc..
In certain embodiments of the present invention, when air pipeline pressure sensor and/or gas flow sensor,
It is whole that air pressure and/or flow in measured air pipeline can be back to long-range control by wireless transport module
End, so that the operation of controlling terminal adjustment blower.
In certain embodiments of the present invention, level-one aerator 41 and the second level aerator 71 respectively select
From: tube aerator, plate-type aerator or rotational flow aeration device.
In certain embodiments of the present invention, the material of the cabinet 11 is stainless steel or glass steel material, outside cabinet
Shape is cuboid or tank shape.The concrete shape of tank shape can be as shown in Figure 2.
In certain embodiments of the present invention, equipment room 12 can be integrated with the cabinet 11, such as equipment room
12 can be fixed by welding at one with the cabinet 11；Or the equipment room 12 can be separated with the cabinet 11 and be put
It sets.These embodiments are all that reasonably, technical staff can select suitable scheme to implement according to actual needs.
It should be noted that when carrying out sewage treatment using integration apparatus of the invention, in technical solution of the present invention
Anaerobic zone, in anoxic zone and aerobic zone, can be accordingly containing carrying out needed for anaerobic reaction, hypoxia response or aerobic reaction
Activated sludge, the microbe species in its internal activated sludge of different treatment regions are different；For example, the microorganism in anaerobic zone
Based on anaerobism quasi-microorganism；Microorganism in anoxic zone is based on facultative microbe；Microorganism in aerobic zone is with aerobic micro-
Based on biology.
Selection for specific microbe species, technical staff can determine according to actual needs, and the present invention is herein not
It is defined.
Sewage treatment embodiment
In integration apparatus shown in Fig. 1, sewage treatment is carried out using sewage water treatment method provided by the invention, specifically
It is as follows:
Embodiment 1
Certain community life sewage, influent COD=280mg/L, TN=are handled using sewage water treatment method provided by the invention
75mg/L, TP=3.2mg/L.
The hydraulic detention time for controlling anaerobic zone is 1 hour；The hydraulic detention time of level-one anoxic zone is 2 hours；Level-one
The hydraulic detention time of aerobic zone is 5 hours；The hydraulic detention time of second level anoxic zone is 2 hours；When the area MABR hydraulic retention
Between be 5 hours, the hydraulic detention time of second level aerobic zone is 3 hours；Anaerobic zone and second level anoxic zone water inlet ratio are respectively
70% and 30%.Return sludge ratio is 80%.The sewage of settling zone outlet is detected, as a result as follows:
The removal rate of COD, TN and TP are respectively 96.3%, 99.2% and 91.5%, and main wastewater pollutants can reach
To " water environment quality standard " (GB3838-2002) IV class water water standard.
Embodiment 2
Certain community life sewage, influent COD=390mg/L, TN=are handled using sewage water treatment method provided by the invention
48mg/L, TP=5.2mg/L.
The hydraulic detention time for controlling anaerobic zone is 0.5 hour；The hydraulic detention time of level-one anoxic zone is 1 hour；One
The hydraulic detention time of grade aerobic zone is 3 hours；The hydraulic detention time of second level anoxic zone is 1 hour；The area MABR hydraulic retention
Time is 5.5 hours, and the hydraulic detention time of second level aerobic zone is 2.5 hours；Anaerobic zone and second level anoxic zone water inlet ratio point
It Wei 80% and 20%；Return sludge ratio is 50%.The sewage of settling zone outlet is detected, it is as a result as follows: COD, TN and
The removal rate of TP is respectively 94.1%, 97.3% and 95.5%, and main wastewater pollutants can achieve " surface water environment quality
Standard " (GB3838-2002) IV class water water standard.
Embodiment 3
Certain community life sewage, influent COD=260mg/L, TN=are handled using sewage water treatment method provided by the invention
35mg/L, TP=2.1mg/L.
The hydraulic detention time for controlling anaerobic zone is 2 hours；The hydraulic detention time of level-one anoxic zone is 2 hours；Level-one
The hydraulic detention time of aerobic zone is 7 hours；The hydraulic detention time of second level anoxic zone is 2 hours；When the area MABR hydraulic retention
Between be 5 hours, the hydraulic detention time of second level aerobic zone is 5 hours；Anaerobic zone and second level anoxic zone water inlet ratio are respectively
65% and 35%.Return sludge ratio is 75%.The sewage of settling zone outlet is detected, it is as a result as follows: COD, TN and TP's
Removal rate is respectively 93.7%, 96.6% and 90.9%, and main wastewater pollutants can achieve " surface water environment quality mark
It is quasi- " (GB3838-2002) IV class water water standard.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
Each embodiment in this specification is all made of relevant mode and describes, same and similar portion between each embodiment
Dividing may refer to each other, and each embodiment focuses on the differences from other embodiments.Especially for system reality
For applying example, since it is substantially similar to the method embodiment, so being described relatively simple, related place is referring to embodiment of the method
Part explanation.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the scope of the present invention.It is all
Any modification, equivalent replacement, improvement and so within the spirit and principles in the present invention, are all contained in protection scope of the present invention
It is interior.
Claims (13)
1. a kind of sewage water treatment method based on multistage A/O and MABR, which is characterized in that be applied to it is a kind of based on multistage A/O and
The integrated sewage treating apparatus of MABR；
The integrated sewage treating apparatus includes:
Cabinet, water inlet line, outlet conduit, sludge reflux discharge line and equipment room；
The box house is successively separated by partition with lower treatment plot: anaerobic zone, level-one anoxic zone, level-one aerobic zone, second level
Anoxic zone, the area MABR, second level aerobic zone and settling zone；
The anaerobic zone is connected to level-one anoxic zone top；The level-one anoxic zone and level-one aerobic zone lower part connect
It is logical；The level-one aerobic zone is connected to second level anoxic zone top；The second level anoxic zone is connected to the area MABR lower part；
The area MABR is completely isolated by partition between the two with the second level aerobic zone；The second level aerobic zone and the settling zone
Top connection；
Level-one aerator is provided in the level-one aerobic zone；Second level aerator is provided in the second level aerobic zone；
At least one MABR membrane module is provided in the area MABR；Each MABR membrane module includes MABR film and water service pipe
Road, the water pipe are connected to the partition between the area MABR and second level aerobic zone；
The anaerobic zone and the second level anoxic zone are connected to the water inlet line；
The outlet conduit is communicated with above the settling zone；
The sludge reflux discharge line includes that sludge air lift is in charge of, mud discharging is in charge of and sludge reflux is in charge of；The sludge
Air lift, which is in charge of, to be protruded into the settling zone, and the mud inlet that the sludge air lift is in charge of is located at settling zone bottom；The sludge returns
The mud mouth of flow point pipe is connected to the anaerobic zone；
Blower and electric-control system are laid in the equipment room；
The blower is in charge of with level-one aerator, second level aerator, MABR film, sludge air lift respectively by air pipeline to be connected to；
The electric-control system is used to control the operation of blower；
The sewage water treatment method includes:
(1) treatment sewage respectively enters anaerobic zone and second level anoxic zone, wherein the total volume based on treatment sewage, into detesting
The volume fraction for the treatment of sewage in oxygen area is 60%~80%, into the volume point of the treatment sewage in second level anoxic zone
Number is 20%~40%；
(2) sewage in anaerobic zone enters level-one anoxic zone after Anaerobic Treatment；Sewage in level-one anoxic zone is lacked through first time
Enter level-one aerobic zone after oxygen processing；Sewage in level-one aerobic zone enters second level anoxic zone after first time Aerobic Process for Treatment,
Carry out second of anoxic treatment；
(3) water outlet of second level anoxic zone enters the area MABR, and the sewage in the area MABR flows from bottom to top, enters after contacting with MABR film
In water pipe, is entered in the second level aerobic zone by water pipe and carry out second of Aerobic Process for Treatment；
(4) water outlet of second level aerobic zone enters settling zone, and the sewage in settling zone is after precipitating, supernatant liquor outlet；In water
After sludge settling to settling zone bottom, partial sludge is in charge of through sludge reflux is back to anaerobic zone, and excess sludge is through mud discharging
It is in charge of outlet.
2. sewage water treatment method according to claim 1, which is characterized in that the step of the sewage water treatment method in (2),
The hydraulic detention time of sewage is 0.5~2 hour in anaerobic zone, and the hydraulic detention time of sewage is 0.5~2 in level-one anoxic zone
Hour, the hydraulic detention time of sewage is 2~8 hours in level-one aerobic zone, the hydraulic detention time of sewage in second level anoxic zone
It is 0.5~2 hour.
3. sewage water treatment method according to claim 1, which is characterized in that the step of the sewage water treatment method in (3),
The hydraulic detention time of sewage is 2-8 hours in the area MABR；The hydraulic detention time of sewage is 2~5 hours in second level aerobic zone.
4. sewage water treatment method according to claim 1, which is characterized in that the step of the sewage water treatment method in (4),
The return sludge ratio for being back to anaerobic zone is 40-100%.
5. sewage water treatment method according to claim 1, which is characterized in that the partition for separating each treatment region can be with water
Translation is dynamic, to adjust the volume of each treatment region.
6. sewage water treatment method according to claim 1, which is characterized in that the level-one aerator and second level aeration
Device respectively is selected from: tube aerator, plate-type aerator or rotational flow aeration device.
7. sewage water treatment method according to claim 1, which is characterized in that the material of the cabinet is stainless steel or glass
Steel material, box shape are cuboid or tank shape.
8. sewage water treatment method according to claim 1, which is characterized in that MABR film is wound in the water pipe table
Face；The water pipe top opening, sealed bottom, and water pipe bottom are aerobic by pipeline and the area MABR and second level
Partition connection between area.
9. sewage water treatment method according to claim 1, which is characterized in that when being provided with multiple MABR film groups in the area MABR
When part, each MABR membrane module passes through the air inlet and gas outlet serial or parallel connection of respective MABR film.
10. sewage water treatment method according to claim 1, which is characterized in that be aerated respectively with level-one aerator, second level
Device, MABR film, sludge air lift, which are in charge of on the air pipeline of connection, is provided with pressure sensor and/or gas flow sensor, uses
In the air pressure and/or flow surveyed in air pipeline.
11. sewage water treatment method according to claim 1, which is characterized in that the electric-control system inside PLC module, institute
It states PLC module to be electrically connected with the blower, for controlling the operation of blower.
12. sewage water treatment method according to claim 11, which is characterized in that the electric-control system further includes wireless transmission
Module, for transmitting the operation data of the blower, and/or the control instruction of reception controlling terminal to controlling terminal, with triggering
The operation of the PLC module control blower.
13. sewage water treatment method described in any one of -12 according to claim 1, which is characterized in that the equipment room can be with institute
State that cabinet integrates or the equipment room can be discretely located with the cabinet.
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| CN110563142A (en) * | 2019-10-16 | 2019-12-13 | 天津海之凰科技有限公司 | MABR sewage treatment tank, MABR sewage treatment system and using method thereof |
| CN110980947B (en) * | 2019-12-06 | 2022-09-02 | 沈阳环境科学研究院 | Denitrifying phosphorus removal sewage treatment device based on multistage anaerobism-MABR |
| CN111153493A (en) * | 2019-12-12 | 2020-05-15 | 浙江英玛特生物科技有限公司 | Novel high-efficiency low-energy-consumption sewage deep denitrification process and system thereof |
| CN113023881B (en) * | 2021-03-16 | 2022-11-25 | 北控水务(中国)投资有限公司 | Aeration quantity and internal reflux quantity optimal control system and method based on MABR (moving average aeration ratio) process |
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