CN107473378A - The aerobic membrane module processing method of anoxic anaerobic/anoxic - Google Patents
The aerobic membrane module processing method of anoxic anaerobic/anoxic Download PDFInfo
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- CN107473378A CN107473378A CN201710489966.XA CN201710489966A CN107473378A CN 107473378 A CN107473378 A CN 107473378A CN 201710489966 A CN201710489966 A CN 201710489966A CN 107473378 A CN107473378 A CN 107473378A
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- 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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Abstract
The aerobic membrane module processing method of anoxic anaerobic/anoxic, belong to sewage disposal field of Environment Protection, the aerobic membrane module processing method of anoxic anaerobic/anoxic：Sewage enters pre- denitrification pond, the bacteria bed filtering that sewage passes through in pre- denitrification pond by water inlet；The sewage of prefiltration enters anaerobic pond, the bacteria bed filtering that sewage passes through in anaerobic pond in pre- denitrification pond；The sewage filtered in anaerobic pond enters anoxic pond, the bacteria bed filtering that sewage passes through in anoxic pond；The sewage filtered in anoxic pond enters Aerobic Pond, the bacteria bed filtering that sewage passes through in Aerobic Pond；The sewage of Aerobic Pond filtering enters membrane cisterna, the MBR membrane modules filtering that sewage passes through in membrane cisterna；The sewage filtered by the MBR membrane modules in membrane cisterna is excluded in the presence of negative pressure by outlet pipe；Made a return journey biodegradable organic pollution in water removal by activated sludge, the water after purification and activated sludge are carried out by separation of solid and liquid using film；It can be widely used in sewage disposal field of Environment Protection.
Description
Technical field
The invention belongs to field of Environment Protection, more particularly to sewage disposal, water resource filtering biological processing recycling field.
Background technology
Field of Environment Protection, especially sewage disposal are the important steps of current town and country water supply and sewage work, existing municipal sewage treatment
The renewal upgrading of factory, particularly effluent quality are difficult to up to standard or processing flow and increased severely and water factory that floor space can not expand；Nothing
The cell of sewerage pipeline network, such as residential area, travel resort, scenic spot；There are the area or place of reusing sewage demand, such as
Hotel, car wash trade, passenger plane, Portaloo etc. are required to sewage disposal device.Existing sewage disposal device technique has：A3O is
One kind improvement denitrification dephosphorization technique（I.e. pre- denitrification-anaerobic- anoxic- oxic activated sludge process）, it is detesting in traditional A2O techniques
The pre- denitrification zone of returned sludge is additionally arranged before oxygen pond, reaches the purpose for improving biological phosphor-removing effect.Pre- denitrification pond, it is raw
Change sludge reflux and arrive pre- denitrification pond, while raw sewage enters pre- denitrification pond, organic matter of the microorganism by the use of in intaking as
Carbon source, the nitrate in returned sludge is removed, eliminate adverse effect of the nitrate to anaerobism dephosphorization.Anaerobic pond, utilize anaerobic bacteria
The degraded of organic matter and the release of phosphorus are carried out under anaerobic；Anoxic pond, nitrification liquid are back to anoxic pond, and oxygen bacterium is in anoxic
Under the conditions of degradation of organic substances carry out the denitrification of nitrate simultaneously, so as to remove total nitrogen.Aerobic Pond, aerobic bacteria is under aerobic condition
Thorough degradation of organic substances, ammonia nitrogen, absorb phosphorus.The technique is substantially removes polluter using the effect of microorganism, therefore, raw
Second pond is connect after change, carries out mud-water separation, second pond is the effect using gravity, allows microorganism to be carried out in second pond certainly
So sedimentation.One side second pond is continuum micromeehanics continuous effluent, due to the flowing of water, can bring certain agitation, so not
Only influence whether the natural subsidence of sludge, and the sludge that has settled of second pond bottom as the agitation of current and it is general
Rise, cause aqueous suspension increase；On the other hand, the sludge of second pond bottom is deposited in, under anoxic conditions, anti-nitre can be carried out
Change is acted on, and bubble is produced in water, and drives base sludge to float, and so be may result in system and is gone out aqueous suspension increase, water
Matter is not up to standard.Need to invent efficient separation of solid and liquid, effluent quality high-quality stable sewage disposal device and technique.
The content of the invention
In place of overcome the deficiencies in the prior art, to invent a kind of anoxic-anaerobic- anoxic- oxic-membrane module processing method,
Using A3O+MBR processing units.
A3O+MBR processing units include：It is water inlet, pre- denitrification pond, anaerobic pond, anoxic pond, Aerobic Pond, membrane cisterna, spherical
Filler, MBBR fillers, outlet pipe, inspection socket, aerator, mud return line, nitrification liquid return duct, self priming pump, MBR film groups
Part, aerator refer to aeration head, aeration branch pipe, aeration supervisor, gas control valve, aerator；In pre- denitrification pond, anaerobism
Bacteria bed is installed in pond, anoxic pond, Ball-type packing is placed with bacteria bed, Ball-type packing is fixed；It is aerobic
MBBR fillers are placed with pond, MBBR fillers are mobile；MBR membrane modules are installed in membrane cisterna；In pre- denitrification pond, anaerobism
Pond, anoxic pond, Aerobic Pond, access hole is mounted at the top of membrane cisterna.Self priming pump is installed in outlet pipe；In Aerobic Pond and anoxic pond
Nitrification liquid return duct is installed between top；Mud return line is installed between membrane cisterna and pre- denitrification bottom of pond portion；Aerobic Pond,
Aerator is mounted in membrane cisterna.
The step of anoxic-anaerobic- anoxic- oxic-membrane module processing method, is as follows：
（a）Sewage enters pre- denitrification pond, the bacteria bed filtering that sewage passes through in pre- denitrification pond by water inlet；
（b）The sewage of prefiltration enters anaerobic pond, the bacteria bed filtering that sewage passes through in anaerobic pond in pre- denitrification pond；
（c）The sewage filtered in anaerobic pond enters anoxic pond, the bacteria bed filtering that sewage passes through in anoxic pond；
（d）The sewage filtered in anoxic pond enters Aerobic Pond, the bacteria bed filtering that sewage passes through in Aerobic Pond；
（e）The sewage of Aerobic Pond filtering enters membrane cisterna, the MBR membrane modules filtering that sewage passes through in membrane cisterna；
（f）The sewage filtered by the MBR membrane modules in membrane cisterna is excluded in the presence of negative pressure by outlet pipe；
（g）Sludge in membrane cisterna bottom is back to pre- denitrification bottom of pond portion by mud return line；
（h）The nitrification liquid on Aerobic Pond top is back to anoxic pond by nitrification liquid return duct.
Aeration supervisor and aerator are installed at the top of the ectosome of A30+MBR processing units, in the centre of aeration branch pipe
And it is mounted on gas control valve between aeration branch pipe and aeration supervisor；Bacteria bed is grid box, the top of casing away from
Water pipe low side 82-152mm is separated out, the bottom of casing is apart from pond inner bottom part 382-452mm；The top of casing is apart from outlet pipe low side
Preferably 122mm, the bottom of casing are preferably 422mm apart from pond inner bottom part.
In sewage disposal process, the Ball-type packing in bacteria bed is to be fixedly mounted, and aeration is arranged at bottom in Aerobic Pond
Device, the MBBR fillers in bacteria bed are moveable.
The annexation of A30+MBR processing units is：Water inlet is installed in the left upper part of A30+MBR processing units,
Sewage enters pre- denitrification pond by water inlet；Pre- denitrification pond handles water with being connected at the top of anaerobic pond in pre- denitrification pond
Anaerobic pond is flowed into from top；Anaerobic pond is connected with the bottom of anoxic pond, and water is handled in anaerobic pond and is flowed into anoxic pond from bottom；Lack
Oxygen pond handles water with being connected at the top of Aerobic Pond, in anoxic pond and flows into Aerobic Pond from from top；Aerobic Pond is good with being connected at the top of membrane cisterna Oxygen pondMiddle processing water flows into from from topMembrane cisterna；MBR membrane modules are installed in the middle part of membrane cisterna, have aerator in pond, can be carried out
Sufficiently stirring, and recoil, A30+MBR processing unit right-hand members top are provided with outlet pipe, and the processing water of membrane cisterna passes through MBR film groups
Part filters, and MBR membrane modules top connects with outlet pipe, and the filtered water of MBR membrane modules passes through self-priming pumped.
The sewage disposal principle of A30+MBR processing units is：For insufficient existing for traditional A30 techniques, according to engineering
Experience, A3O+MBR techniques are proposed, organic pollution biodegradable in removing water of being made a return journey first by activated sludge, then adopted
The water after purification and activated sludge are subjected to separation of solid and liquid with film.Traditional second pond is replaced using MBR membrane modules；Membrane cisterna can
To isolate the volume of a part from Aerobic Pond, it is not necessary to additionally build pond body, therefore land used can be saved；Membrane aperture is small, mistake
Filter effect has more advantage compared in general sedimentation basin, and water outlet is limpid, no suspended substance, is not in Mud up-floating phenomenon；Work as water inlet
When having large change in the water short time, it may be considered that short time increasing film alleviates the purpose impacted by flow to reach；
When influent quality changes, due to there is higher sludge concentration, the purpose for alleviating impact can also be reached within the specific limits；Cause
This, compared to traditional handicraft, the technique impact resistance after improvement is stronger；Traditional active sludge treatment process, born in high sludge
Lotus situation operation sludge bulking phenomenon occurs, cause system to be not normally functioning, water outlet it is not up to standard.And A30+MBR techniques
It is to carry out mud-water separation with the suction by film, therefore, influence of the sludge bulking for A30+MBR water outlets is much smaller than traditional work
Skill, therefore operational management is very convenient.A3O+MBR techniques, traditional second pond is replaced using MBR membrane modules.This is to utilize
The filtration of MBR membrane modules retains the activated sludge in biochemical reaction tank and larger molecular organicses.Film retains efficiency high,
Therefore floor space can be reduced, the function of bioreactor is enhanced by the isolation technics of film significantly, makes activated sludge concentration
Greatly improve, its hydraulic detention time（HRT）And sludge retention time（SRT）It can control respectively.Returned sludge enters anaerobism
Chi Shi, enter anaerobic pond due to carrying nitrate nitrogen, will preferentially capture organic matter degradable in sewage, polyP bacteria is lost competition
Advantage, it have impact on the effect of biological phosphate-eliminating.Pre- denitrification pond is to increase a denitrification pond in traditional A2O techniques front end, is changed
The principle entered is exactly that the returned sludge from second pond is carried out instead first using the organic matter in the sewage for entering pre- denitrification pond
Nitrification removes nitrate nitrogen, so as to eliminate adverse effect of the nitrate to anaerobism dephosphorization, improves the phosphor-removing effect of system.
Nominal definition：On：It is upward with earth horizontal plane；
Under：It is upward with earth horizontal plane；
It is left：A left side is defined as in face of the positive left side of equipment；
It is right：The right side is defined as in face of the positive the right of equipment；
MBR:(Membrane Bio-Reactor) membrane bioreactor；
MBBR:(Moving Bed Biofilm Reactor) MBBR；
A30:Pre- denitrification-anaerobic- anoxic- oxic method.
The notable technological progress of this anoxic-anaerobic- anoxic- oxic-membrane module processing method is：The technology path of use
It is that pre- denitrification pond is to increase a denitrification pond in traditional A2O techniques front end, in pre- denitrification pond, anaerobic pond, anoxic pond
In bacteria bed is installed, Ball-type packing is placed with bacteria bed, Ball-type packing is fixed；It is placed with Aerobic Pond
MBBR fillers, MBBR fillers are mobile；MBR membrane modules are installed in membrane cisterna；Improved principle is exactly from second pond
Returned sludge carries out denitrification using the organic matter in the sewage for entering pre- denitrification pond and removes nitrate nitrogen first, realization
Technique effect improves the phosphor-removing effect of system so as to eliminate adverse effect of the nitrate to anaerobism dephosphorization；The technical functionality of acquisition
Made a return journey biodegradable organic pollution in water removal by activated sludge, then using film by the water and activated sludge after purification
Separation of solid and liquid is carried out, traditional second pond is replaced using MBR membrane modules；The technical purpose reached is the technique anti-impact after improving
Hit that ability is stronger, traditional active sludge treatment process, sludge bulking phenomenon occurs in the situation operation of high sludge loading, leads
Cause system is not normally functioning, water outlet is not up to standard；It is to carry out muddy water point with the suction by MBR membrane modules to realize technical purpose
From influence of the sludge bulking for MBR membrane module water outlets is much smaller than traditional handicraft, and operational management is very convenient；Filter effect phase
Advantage is had more than in general sedimentation basin, water outlet is limpid, no suspended substance, is not in Mud up-floating phenomenon.
Brief description of the drawings
Fig. 1：Anoxic-anaerobic- anoxic- oxic-membrane module processing method sewage treatment process figure；
Fig. 2：A30+MBR processing device structure diagrams；
In figure：The pre- denitrification pond of 1- water inlets, 2-, 3- anaerobic ponds, 4- anoxic ponds, 5- Aerobic Ponds, 6- membrane cisternas, 7- Ball-type packings,
8-MBBR fillers, 9- outlet pipes, 10- inspection sockets, 11- aeration heads, 12- aeration branch pipes, 13- aerations supervisor, 14- gases are adjusted
Save valve, 15- aerators, 16- mud return lines, 17- nitrification liquids return duct, 18- self priming pumps, 19-MBR membrane modules.
Embodiment
Embodiment one
Implement this patent in sewage disposal building site.
A3O+MBR processing units include：Water inlet 1, pre- denitrification pond 2, anaerobic pond 3, anoxic pond 4, Aerobic Pond 5, membrane cisterna
6th, Ball-type packing 7, MBBR fillers 8, outlet pipe 9, inspection socket 10, aerator, mud return line 16, nitrification liquid return duct 17,
Self priming pump 18, MBR membrane modules 19, aerator refer to aeration head 11, aeration branch pipe 12, aeration supervisor 13, gas control valve 14,
Aerator 15；Bacteria bed is installed in pre- denitrification pond 2, anaerobic pond 3, anoxic pond 4, is placed with bacteria bed spherical
Filler 7, Ball-type packing 7 are fixed；MBBR fillers 8 are placed with Aerobic Pond 5, MBBR fillers 8 are mobile；In membrane cisterna
MBR membrane modules 19 are installed in 6；In pre- denitrification pond 2, anaerobic pond 3, anoxic pond 4, Aerobic Pond 5, the top of membrane cisterna 6 is respectively mounted
There is access hole 10.Self priming pump 18 is installed in outlet pipe 9；Nitrification liquid return duct is installed between Aerobic Pond 5 and the top of anoxic pond 4
17；Mud return line 16 is installed between membrane cisterna 6 and the pre- bottom of denitrification pond 2；It is mounted on being aerated in Aerobic Pond 5, membrane cisterna 6
Device.
The step of anoxic-anaerobic- anoxic- oxic-membrane module processing method, is as follows：
1）Sewage enters pre- denitrification pond 2, the bacteria bed filtering that sewage passes through in pre- denitrification pond 2 by water inlet 1；
2）The sewage of prefiltration enters anaerobic pond 3, the bacteria bed filtering that sewage passes through in anaerobic pond 3 in pre- denitrification pond 2；
3）The sewage filtered in anaerobic pond 3 enters anoxic pond 4, the bacteria bed filtering that sewage passes through in anoxic pond 4；
4）The sewage filtered in anoxic pond 4 enters Aerobic Pond 5, the bacteria bed filtering that sewage passes through in Aerobic Pond 5；
5）The sewage that Aerobic Pond 5 filters enters membrane cisterna 6, and the MBR membrane modules 19 that sewage passes through in membrane cisterna 6 filter；
6）The sewage filtered by the MBR membrane modules 19 in membrane cisterna 6 is excluded in the presence of negative pressure by outlet pipe 9；
7）Sludge in the bottom of membrane cisterna 6 is back to the pre- bottom of denitrification pond 2 by mud return line 16；
8）The nitrification liquid on the top of Aerobic Pond 5 is back to anoxic pond 4 by nitrification liquid return duct 17.
Aeration supervisor 13 and aerator 14 are installed at the top of the ectosome of A30+MBR processing units, in aeration branch pipe 12
Centre and aeration branch pipe 12 and aeration supervisor 13 between be mounted on gas control valve 14；Bacteria bed is grid box,
The top of casing is 122mm apart from the low side of outlet pipe 9, and the bottom of casing is 422mm apart from pond inner bottom part.
In sewage disposal process, the Ball-type packing 7 in bacteria bed is to be fixedly mounted, and exposure is arranged at bottom in Aerobic Pond 5
Device of air, the MBBR fillers 8 in bacteria bed are moveable.
The annexation of A30+MBR processing units is：Water inlet 1 is installed in the left upper part of A30+MBR processing units,
Sewage enters pre- denitrification pond 2 by water inlet；Pre- denitrification pond 2 connects with the top of anaerobic pond 3, locates in pre- denitrification pond 2
Manage water and flow into anaerobic pond 3 from top；Anaerobic pond 3 is connected with the bottom of anoxic pond 4, and water is handled in anaerobic pond 3 and is flowed into from bottom
Anoxic pond 4；Anoxic pond 4 is connected with the top of Aerobic Pond 5, and water is handled in anoxic pond 4 and flows into Aerobic Pond 5 from from top；Aerobic Pond 5 with
The top of membrane cisterna 6 is connected, and water is handled in Aerobic Pond 5 and flows into membrane cisterna 6 from from top；The middle part of membrane cisterna 6 is provided with MBR membrane modules 7, pond
Inside there is aerator, can sufficiently be stirred, and recoil, A30+MBR processing unit right-hand members top is provided with outlet pipe 9, film
The processing water in pond 6 is filtered by MBR membrane modules 19, and the top of MBR membrane modules 19 connects with outlet pipe 9, and MBR membrane modules 19 have filtered
Water extracted out by self priming pump 18.
With 2t（）/d（My god）Treating capacity exemplified by, inflow is 83L during continuous operation in theory（Rise）/h（Hour）, it is real
Border can also be according to actual amount of water intermittent water inflow when running.
The water inlet 1 of the water outlet slave unit of septic tank enters pre- denitrification pond 2, the residence time in pre- denitrification pond pond 2
It is 1 hour, 83 liters of dischargeable capacity, afterwards into anaerobic pond 3,2 hours 3 residence times of anaerobic pond, 166 liters of dischargeable capacity, anaerobism
Pond water outlet enters anoxic pond 4,3 hours 4 residence times of anoxic pond, 249 liters of dischargeable capacity, afterwards into Aerobic Pond 5, Aerobic Pond 5
Interior 5 hours residence times, 415 liters of dischargeable capacity, 5 hours residence times in membrane cisterna 6,415 liters of dischargeable capacity.The water of membrane cisterna 6 is used
Self priming pump 18 extracts outer row out at the outlet pipe 9 above MBR membrane modules 19.
Pre- denitrification pond 2 is equipped with Ball-type packing 7, first without aeration, the sewage of entrance and the sludge to be flowed back from membrane cisterna 6
Pre- denitrification pond 2 is introduced into, microorganism removes the nitrate for flowing back using degradable carbon source progress denitrification, so as to disappear
Except influence of the nitrate to polyP bacteria, ensure the effect of follow-up anaerobic phosphate release.
Anaerobic pond 3 is with also using Ball-type packing 7 in anoxic pond 4, without aeration, control dissolved oxygen is less than 0.5mg（Milligram）/
L（Rise）, Aerobic Pond 5 is interior to use MBBR fillers 8, it is necessary to be aerated, and control dissolved oxygen is in 2 mg（Milligram）/L（Rise）Left and right, membrane cisterna 6
It is interior without filler, it is necessary to enough aerations, ensure that sludge is in suspended state, while MBR membrane modules 19 are recoiled, prevent
Block, every film of theoretical amount needs aeration quantity 12L（Rise）/Min（Minute）, and 2 t（）/d（My god）The MBR film groups for the treatment of capacity
Part 19 needs 5 films, therefore the aeration quantity of MBR membrane modules 19 about 60L（Rise）/Min（Minute）.Herein according to every membrane filtration
1 square of area, in the case where ensureing total filtration flux, the film of different filter areas also can be selected in practice, now film
Aeration quantity need to be adjusted from new.The nitrification liquid of Aerobic Pond 5 is back in anoxic pond 4, and anti-nitre is carried out to nitrate using denitrifying bacterium
Change, discharge nitrogen, remove total nitrogen.It is as shown in the table by the system before processing and the water quality after processing：
Index parameter COD BOD5 SS NH3 TN TP
Water inlet mg/L《350 《200 《150 《25 《35 《4
Water outlet mg/L《50 《10 《10 《5 《15 《0.5
Embodiment two
The top filter of bacteria bed is apart from outlet pipe low side 82mm, and the bottom filter of bacteria bed is apart from bottom 382mm.
Remaining is same as above, and repeats no more.
Embodiment three
The top filter of bacteria bed is apart from outlet pipe low side 152mm, and the bottom filter of bacteria bed is apart from bottom
452mm。
Remaining is same as above, and repeats no more.
Claims (7)
1. anoxic-anaerobic- anoxic- oxic-membrane module processing method, it is characterised in that:Described anoxic-anaerobic-anoxic-good
Oxygen-membrane module processing method uses A3O+MBR processing units, including：It is water inlet, pre- denitrification pond, anaerobic pond, anoxic pond, good
Oxygen pond, membrane cisterna, Ball-type packing, MBBR fillers, outlet pipe, inspection socket, aeration method, mud return line, nitrification liquid return duct, from
Sucking pump, MBR membrane modules, aeration method refer to aeration head, aeration branch pipe, aeration supervisor, gas control valve, aerator；Pre-
Bacteria bed is installed in denitrification pond, anaerobic pond, anoxic pond, Ball-type packing is placed with bacteria bed, Ball-type packing is solid
It is fixed motionless；MBBR fillers are placed with Aerobic Pond, MBBR fillers are mobile；MBR membrane modules are installed in membrane cisterna；Pre-
Denitrification pond, anaerobic pond, anoxic pond, Aerobic Pond, access hole is mounted at the top of membrane cisterna；Self priming pump is installed in outlet pipe；
Nitrification liquid return duct is installed between Aerobic Pond and anoxic pond top；Sludge is installed between membrane cisterna and pre- denitrification bottom of pond portion to return
Flow tube；Aeration method is mounted in Aerobic Pond, membrane cisterna；In the outer of anoxic-anaerobic- anoxic- oxic-membrane module processing method
Aeration supervisor and aerator are installed at the top of body, pacified between the centre of aeration branch pipe and aeration branch pipe and aeration supervisor
Equipped with gas control valve；The step of anoxic-anaerobic- anoxic- oxic-membrane module processing method, is as follows：
Sewage enters pre- denitrification pond, the bacteria bed filtering that sewage passes through in pre- denitrification pond by water inlet；
The sewage of prefiltration enters anaerobic pond, the bacteria bed filtering that sewage passes through in anaerobic pond in pre- denitrification pond；
The sewage filtered in anaerobic pond enters anoxic pond, the bacteria bed filtering that sewage passes through in anoxic pond；
The sewage filtered in anoxic pond enters Aerobic Pond, the bacteria bed filtering that sewage passes through in Aerobic Pond；
The sewage of Aerobic Pond filtering enters membrane cisterna, the MBR membrane modules filtering that sewage passes through in membrane cisterna；
The sewage filtered by the MBR membrane modules in membrane cisterna is excluded in the presence of negative pressure by outlet pipe；
Sludge in membrane cisterna bottom is back to pre- denitrification bottom of pond portion by mud return line；
The nitrification liquid on Aerobic Pond top is back to anoxic pond by nitrification liquid return duct.
2. anoxic-anaerobic- anoxic- oxic-membrane module processing method as claimed in claim 1, it is characterised in that：Described is pre-
Bacteria bed is installed in denitrification pond, anaerobic pond, anoxic pond, is placed with Ball-type packing in bacteria bed, in bacteria bed
Ball-type packing is fixed.
3. anoxic-anaerobic- anoxic- oxic-membrane module processing method as claimed in claim 1, it is characterised in that：Described is good
Bacteria bed is installed in oxygen pond, MBBR fillers are placed with bacteria bed, MBBR fillers are moveable.
4. anoxic-anaerobic- anoxic- oxic-membrane module processing method as claimed in claim 1, it is characterised in that：Described lacks
Aeration supervisor and aerator are installed, in aeration branch pipe at the top of the ectosome of oxygen-anaerobic- anoxic- oxic-membrane module processing method
Centre and aeration branch pipe and aeration supervisor between be mounted on gas control valve.
5. anoxic-anaerobic- anoxic- oxic-membrane module processing method as claimed in claim 1, it is characterised in that：Described is good
Aeration head, aeration branch pipe, gas control valve are mounted in oxygen pond, membrane cisterna.
6. anoxic-anaerobic- anoxic- oxic-membrane module processing method as claimed in claim 1, it is characterised in that：Described life
Thing filter bed is grid box, and the top of casing is apart from outlet pipe low side 82-152mm, and the bottom of casing is apart from pond inner bottom part 382-
452mm。
7. anoxic-anaerobic- anoxic- oxic-membrane module processing method as claimed in claim 6, it is characterised in that：Described net
Lattice casing, the top of casing are preferably 122mm apart from outlet pipe low side, and the bottom of casing is preferably 422mm apart from pond inner bottom part.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109250819A (en) * | 2018-11-09 | 2019-01-22 | 北京碧水源科技股份有限公司 | A kind of MBR sewage disposal system of advanced nitrogen dephosphorization |
| CN110734139A (en) * | 2019-10-25 | 2020-01-31 | 博天环境集团股份有限公司 | Membrane bioreactor and sewage treatment process |
| CN111217496A (en) * | 2020-03-18 | 2020-06-02 | 桂润环境科技股份有限公司 | Tail water deep treatment device and treatment method |
| CN111547955A (en) * | 2020-05-25 | 2020-08-18 | 天津市联合环保工程设计有限公司 | Domestic sewage treatment integrated device |
| CN113480008A (en) * | 2021-08-20 | 2021-10-08 | 上海电气船研环保技术有限公司 | Water treatment facilities with adjustable it is multi-functional |
| CN114477614A (en) * | 2020-12-17 | 2022-05-13 | 深圳禾众环境科技有限公司 | Water treatment apparatus and method |
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- 2017-06-25 CN CN201710489966.XA patent/CN107473378A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109250819A (en) * | 2018-11-09 | 2019-01-22 | 北京碧水源科技股份有限公司 | A kind of MBR sewage disposal system of advanced nitrogen dephosphorization |
| CN110734139A (en) * | 2019-10-25 | 2020-01-31 | 博天环境集团股份有限公司 | Membrane bioreactor and sewage treatment process |
| CN111217496A (en) * | 2020-03-18 | 2020-06-02 | 桂润环境科技股份有限公司 | Tail water deep treatment device and treatment method |
| CN111547955A (en) * | 2020-05-25 | 2020-08-18 | 天津市联合环保工程设计有限公司 | Domestic sewage treatment integrated device |
| CN114477614A (en) * | 2020-12-17 | 2022-05-13 | 深圳禾众环境科技有限公司 | Water treatment apparatus and method |
| CN113480008A (en) * | 2021-08-20 | 2021-10-08 | 上海电气船研环保技术有限公司 | Water treatment facilities with adjustable it is multi-functional |
| CN113480008B (en) * | 2021-08-20 | 2023-10-31 | 上海电气船研环保技术有限公司 | Multi-functional adjustable water treatment facilities |
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