CN104710075B - A kind of pendulum model doughnut membrane biological reaction water cleaning systems and application - Google Patents
A kind of pendulum model doughnut membrane biological reaction water cleaning systems and application Download PDFInfo
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- CN104710075B CN104710075B CN201510086390.3A CN201510086390A CN104710075B CN 104710075 B CN104710075 B CN 104710075B CN 201510086390 A CN201510086390 A CN 201510086390A CN 104710075 B CN104710075 B CN 104710075B
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Abstract
The invention discloses a kind of pendulum model doughnut membrane biological reaction water cleaning systems and application, the system includes inlet water tank, bioreactor, pendulum model hollow fiber membrane device, micro-hole aerator and storage tank；The rolling period change of pendulum model hollow fiber membrane device of the present invention, makes membrane module be in the mixing liquid moment in the Shearing Flow of alternation, effectively hinders pollutant and microorganism in the deposition on film surface, so as to be more beneficial for mitigating fouling membrane；Pendulum model is rotated, it is possible to achieve the control that the transformation of the film anglec of rotation and frequency, more easily membrane module are swung, while the amplitude of membrane module swing can be dramatically increased, is conducive to the control of fouling membrane；Pendulum model is waved, hence it is evident that the huge energy consumption produced in reduction bioreactor by aeration, saves the cost of membrane bioreactor operation；Pendulum model hollow fiber membrane device preparation technology is simple, and can fill a large amount of hollow-fibre membranes, and area increased, cleaning replacement component is convenient.
Description
(1) technical field
The present invention relates to a kind of membrane bioreactor, more particularly to a kind of pendulum model hollow-fiber membrane bioreactor and its
The method for handling waste water.
(2) background technology
Membrane bioreactor (MBR) is to integrate biodegradable and UF membrane new high-efficiency water technology, with biography
System sewage disposal technology is compared, and it has the advantages that, and effluent quality is good, floor space is small, and its superiority promotes MBR at sewage
High speed development is obtained in terms of reason.Membrane module is used as one of chief component of membrane bioreactor, its performance and economy
It is to influence MBR to promote the key factor with application.
In MBR application processes, membrane pollution problem is considered as the most basic of influence membrane biological reactor process economy
Most direct the reason for, it not only affects the stable operation of system, also decides cleaning frequency and the replacement frequency of film.Through research
Practice finds that the hydraulic shear for improving film surface is the filtration flux for improving membrane module, and reduction fouling membrane is the most effective
One of ground method.Because high hydraulic shear can effectively weaken sludge floc particle, the absorption on film surface is made with deposition
With while concentration polarization phenomenon can be mitigated.The development of dynamic filtration component is dynamic to originate in late 1970s, it
Action principle be exactly rotated in itself device or membrane module, shake or others by way of and produce stronger cut on film surface
Shear force, suppresses deposition of the suspension flco on film surface, effectively hinders the formation of cake layer, cut down fouling membrane and concentration polarization
Influence, delays the rate of decay of membrane flux.In recent years, the technology is of increased attention, in chemical industry, food, pharmacy
With good application effect (patent CN101565232A, CN1762555A) is achieved in terms of water process.Although Dynamic Membrane
Component is rapidly progressed, but the biggest problem is that dynamic film component is complicated, membrane area is relatively small, film is clear in application
Difficult and equipment investment expense height etc. is washed and changes, therefore its industrial applications aspect is first to weaker.In order to overcome these components
Deficiency and improve the contamination resistance of membrane bioreactor and operating cost be greatly lowered, develop that energy consumption is low, structure
The strong new dynamic film component of excellent, disposal ability turns into focus.
(3) content of the invention
The present invention seeks to start with from motion cut mode, the novel clock pendulum film group with certain anglec of rotation is designed
Part, so as to improve sensitiveness of the membrane module to flow disturbances such as water, gas, suppresses absorption and deposition of the mud granule on film surface,
And increase bubble and film surface elastic collision, so as to reduce the concentration polarization phenomenon in UF membrane, effectively control fouling membrane, maintain compared with
High UF membrane efficiency and flux.
The technical solution adopted by the present invention is：
The present invention provides a kind of pendulum model doughnut membrane biological reaction water cleaning systems, and the system includes inlet water tank, life
Thing reactor, pendulum model hollow fiber membrane device, micro-hole aerator and storage tank, the inlet water tank is by being connected with the pipe of water pump
Road is connected with bioreactor, and the inlet water tank is provided with agitator, and the pendulum model hollow fiber membrane device hangs on biology
In reactor, the pendulum model hollow fiber membrane device is connected with storage tank, and the bioreactor bottom is provided with micropore exposure
Gas device, the pendulum model hollow fiber membrane device include with the rotating shaft of motor connection, the rotating unit being fixed in rotating shaft and in
Hollow fiber membrane module, described rotating shaft is hung in bioreactor；Described rotating unit includes eccentric wheel, transmission belt, pendulum
Dynamic bearing, collector pipe and outlet pipe；The eccentric wheel is fixed in described rotating shaft, and the eccentric wheel is by transmission belt with swinging
Bearing is connected, and the axle center of the oscillation bearing is fixed with collector pipe, the collector pipe two ends respectively with hollow fiber film assembly
Delivery port is connected, and described collector pipe is provided with two symmetrical outlet pipes centered on oscillation bearing in center both sides；Described
The outlet of outlet pipe is connected by being connected with the pipeline of pressure vacuum gauge with suction pump, and the suction pump is connected with time relay
Device, the suction pump is connected by being connected with the pipeline of unidirectional solenoid electric valve and magnetic valve c in turn with storage tank, described unidirectional
Solenoid electric valve is close to suction pump；The micro-hole aerator is connected with vacuum pressure by being connected with the pipeline of air compressor machine with described
The pipeline connection and connectivity points of table are located between pressure vacuum gauge and suction pump, and the air compressor machine two ends are respectively equipped with magnetic valve a
With magnetic valve b, the magnetic valve a gas flow is additionally provided with close to micro-hole aerator between the magnetic valve a and micro-hole aerator
Meter, microcontroller is connected between the magnetic valve a and magnetic valve b；Suction pump is opened, by microcontroller opens solenoid valve a,
Simultaneously close off magnetic valve b to be aerated, close suction pump, magnetic valve a is closed by microcontroller, while opens solenoid valve b enters
Row gas backwash.
Further, the collector pipe described in described rotating unit is provided with two centered on oscillation bearing in center both sides
Symmetrical outlet pipe；The outlet pipe be vertical connection in the radial passage of collector pipe, described radial passage using collector pipe as
Center and both sides are provided with symmetrical delivery port.
Further, described outlet pipe is connected by fixture with collector pipe.
Further, fluid level controller is provided between the bioreactor and water pump.
Further, the eccentric wheel phase fixed on the eccentric shaft in 1~5 rotating unit, the rotating unit is identical.
Pendulum model hollow fiber membrane device of the present invention is parallel to hollow fiber film assembly or perpendicular to hollow-fibre membrane
Component direction is swung.
Further, the speed that the eccentric shaft is swung is 0r/min-100r/min.
Further, the angle that the hollow fiber film assembly is swung is from 0 ° -70 °.
Further, the hollow fiber film assembly amplitude of fluctuation is 5cm~50cm.
Further, the hollow fiber film assembly is external-compression type both ends open formula membrane module.
The present invention also provides a kind of application of pendulum model doughnut membrane biological reaction water cleaning systems in processing waste water, tool
Application described in body is：Intake pump is opened, the switch of intake pump is controlled by fluid level controller, waste water is directly entered equipped with activity
In the bioreactor of sludge, sludge concentration is 5-10g/L, by microcontroller opens solenoid valve a, magnetic valve b is closed, to life
Thing reactor is aerated, and is that microbial metabolism degradation of organic substances improves oxygen, while motor, magnetic valve c and suction pump are opened,
Carry out biological treatment to waste water, water after biological treatment is by the sieving actoion of hollow fiber film assembly, into storage tank；When
When membrane flux is reduced to 5-10% of initial flux or so, motor, magnetic valve c and suction pump are closed, and open by microcontroller
Magnetic valve b is opened, magnetic valve a is closed, gas back-flushing is carried out to hollow fiber film assembly in the presence of air compressor machine, by fenestra
Polluter be flushed in reaction tank, membrane flux is recovered to more than the 90% of initial flux, stop backwash, then by micro-
Controller opens solenoid valve a, closes magnetic valve b, bioreactor is aerated, while opening motor, magnetic valve c and suction
Pump, biological treatment is carried out to waste water.
Hollow fiber film assembly of the present invention is external-compression type both ends open formula membrane module, from microfiltration membranes (aperture 1-
0.01 μm) or milipore filter (molecular cut off 50-100KD), membrane material is PP, PVDF, PES, PAN, PS and PE etc..
The present invention sets microcontroller, magnetic valve a and magnetic valve b, the membrane separation device delivery port pipeline and air compressor machine
It is connected, passes through microcontroller implementation aeration and regular automatic backwash.
Water pump 1-3 is controlled by fluid level controller 1-4 during water inlet, when bioreactor 1-5 liquid level is less than setting value, water
Pump is opened, and when liquid level is higher than setting value in reactor, water pump is out of service, it is ensured that processing water quantity holding is steady in bioreactor
It is fixed.
Described micro-hole aerator is to be provided with aeration tube in bioreactor to carry out boring aeration, itself and air compressor machine phase
Even, magnetic valve a and gas flowmeter are provided with pipeline, the swing with horizontal direction, intensified response is aerated by vertical direction
The turbulent extent of fluid in device, contributes to the shearing to film surface sludge and organic matter to wash away.
Described pendulum model doughnut membrane biological reaction water cleaning systems are applied to the processing of refractory organic industrial sewage
In, such as dyeing waste water, paper waste, leather waste water and oily waste water.
The operation principle of the present invention：Both ends open formula hollow fiber film assembly in membrane bioreactor running always
Pendulum model motion is carried out, causes membrane module ceaselessly to be rubbed with the mixed liquor in biological tank, while in micro-pore aeration system
In the presence of, moved from the both horizontally and vertically upper wadding for strengthening mixed liquor simultaneously, strengthen turbulent flow, hinder in mixed liquor pollutant or
Colloidal substance prevents microorganism in the growth on film surface in the deposition on film surface, effectively controls fouling membrane, maintains membrane biological reaction
The higher effluent flux of device.Due to the periodic wobble of membrane module in reactor, so aeration quantity can be controlled very small
In the range of.
Magnetic valve a of the present invention, magnetic valve b and magnetic valve c are magnetic valve, are named for the ease of statement, letter
Itself is without implication.
Relative to prior art, the present invention has advantages below：(1) rolling period of pendulum model hollow fiber membrane device
Change, makes membrane module be in the mixing liquid moment in the Shearing Flow of alternation, effectively hinders pollutant and microorganism in film
The deposition on surface, so as to be more beneficial for mitigating fouling membrane；(2) pendulum model is rotated, it is possible to achieve turn of the film anglec of rotation and frequency
Become, the control that more easily membrane module is swung, while the amplitude of membrane module swing can be dramatically increased, is conducive to the control of fouling membrane
System；(3) pendulum model is waved, hence it is evident that the huge energy consumption produced in reduction bioreactor by aeration, saves membrane bioreactor
The cost of operation；(4) pendulum model hollow fiber membrane device preparation technology is simple, and can fill a large amount of hollow-fibre membranes, increases
Large area, cleaning replacement component is convenient.
(4) illustrate
Fig. 1 is pendulum model doughnut membrane biological reaction water cleaning systems schematic diagram of the present invention, 1-1 inlet water tanks, 1-2 stirrings
Device, 1-3 water pumps, 1-4 fluid level controllers, 1-5 bioreactors, 1-6 hollow fiber film assemblies, 1-7 micro-hole aerators, 1-8 electricity
Machine, 1-9 air compressor machines, 1-10-1 magnetic valve a, 1-10-2 magnetic valve b, 1-10-3 magnetic valve c, 1-11 gas flowmeters, 1-12 is micro-
Controller, 1-13 pressure vacuum gauges, 1-14 suction pumps, the 1-15 time relays, the unidirectional solenoid electric valves of 1-16,1-17 water storages
Case.
Fig. 2 is pendulum model hollow fiber membrane device schematic diagram of the present invention, 2-1 rotating shafts, 2-2 eccentric wheels, 2-3 transmission belts, 2-4
Fixture, 2-5 oscillation bearings, 2-6 collector pipes, 2-7 outlet pipes.
Fig. 3 is the processing waste water design sketch of 1-3 membrane bio-reaction systems of the embodiment of the present invention.
Fig. 4 is the membrane flux of 1-3 membrane bio-reaction systems of the embodiment of the present invention with run time variation diagram.
(5) embodiment
With reference to specific embodiment, the present invention is described further, but protection scope of the present invention is not limited in
This：
As shown in figure 1, the present invention provides a kind of pendulum model doughnut membrane biological reaction water cleaning systems, the system includes
Inlet water tank 1-1, bioreactor 1-5, pendulum model hollow fiber membrane device, micro-hole aerator 1-7 and storage tank 1-17, it is described enter
Water tank is connected by being connected with water pump 1-3 pipeline with bioreactor, and the inlet water tank is provided with agitator 1-2, the clock
Pendulum-type hollow fiber membrane device is hung in bioreactor, and the pendulum model hollow fiber membrane device is connected with storage tank, institute
State bioreactor bottom and be provided with micro-hole aerator, the pendulum model hollow fiber membrane device includes what is be connected with motor 1-8
Rotating shaft 2-1, the rotating unit being fixed in rotating shaft and hollow fiber film assembly 1-6, described rotating shaft hang on bioreactor
Interior, described rotating unit includes eccentric wheel 2-2, transmission belt 2-3, oscillation bearing 2-5, collector pipe 2-6, outlet pipe 2-7；It is described
Eccentric wheel is fixed in rotating shaft, and the eccentric wheel is connected by transmission belt with oscillation bearing, and the axle center of the oscillation bearing is fixed
There is collector pipe, the collector pipe two ends are connected with the delivery port of hollow fiber film assembly respectively, and described collector pipe is with swinging axle
In center both sides provided with two symmetrical outlet pipes centered on holding；The outlet of described outlet pipe is by being connected with pressure vacuum gauge
1-13 pipeline is connected with suction pump 1-14, and the suction pump is connected with time relay 1-15, and the suction pump passes through successively
The pipeline for being connected with unidirectional solenoid electric valve 1-16 and magnetic valve c 1-10-3 is connected with storage tank 1-17, the unidirectional electromagnetism control
Valve processed is close to suction pump；The micro-hole aerator is connected with pressure vacuum gauge by being connected with air compressor machine 1-9 pipeline with described
Pipeline connection and connectivity points be located between pressure vacuum gauge and suction pump, the air compressor machine two ends are respectively equipped with magnetic valve a 1-
10-1 and magnetic valve b 1-10-2, the magnetic valve a are close to micro-hole aerator, between the magnetic valve a and micro-hole aerator also
Provided with gas flowmeter, microcontroller 1-12 is connected between the magnetic valve a and magnetic valve b；Suction pump is opened, passes through micro-control
Device opens solenoid valve a processed, simultaneously closes off magnetic valve b and is aerated, and closes suction pump, closes magnetic valve a by microcontroller, together
When opens solenoid valve b carry out gas backwash.Fluid level controller 1-4 is provided between the inlet water tank and water pump.Described rotation list
Collector pipe described in member is provided with two symmetrical outlet pipes centered on oscillation bearing in center both sides；The outlet pipe is vertical
The direct-connected radial passage for passing through collector pipe, described radial passage is centered on collector pipe and both sides are provided with symmetrical delivery port.
Described outlet pipe is connected by fixture 2-4 with collector pipe.1~5 rotating unit, the rotation are fixed on the eccentric shaft
Eccentric wheel phase in unit is identical.The pendulum model hollow fiber membrane device is parallel to eccentric shaft or perpendicular to eccentric shaft method
Swing.The speed that the eccentric shaft is swung is 0r/min-100r/min.The angle that the hollow fiber film assembly is swung from 0 °-
70°.The hollow fiber film assembly amplitude of fluctuation is 5cm~50cm.The hollow fiber film assembly is external-compression type both ends open
Formula membrane module.
Pendulum model doughnut membrane biological reaction water cleaning systems of the present invention processing waste water in application be：Open water inlet
Pump, the switch of intake pump is controlled by fluid level controller, and waste water is directly entered in the bioreactor equipped with activated sludge, sludge
Concentration is 5-10g/L, by microcontroller opens solenoid valve a, closes magnetic valve b, bioreactor is aerated, is micro- life
Thing metabolic degradation organic matter improves oxygen, while opening motor, magnetic valve c and suction pump, the water after biological treatment passes through film
The sieving actoion of component, into storage tank；When membrane flux is reduced to the 5-10% of initial flux, closes motor, magnetic valve c and take out
Sucking pump, and by microcontroller opens solenoid valve b, magnetic valve a is closed, 10- is backwashed to membrane module in the presence of air compressor machine
15h, the polluter in fenestra is flushed in reaction tank, membrane flux is recovered to more than the 90% of initial flux, is then proceeded to
Carry out membrane bioreactor operation.
Embodiment 1
Oil-containing waste water of catering is handled using pendulum model membrane bio-reaction system of the present invention, to low concentration oily waste water
The removal effect and membrane flux of COD and oil content are measured, and with traditional Nets impregnated (hollow-fibre membrane
Component is same as Example 1, the difference is that membrane module is immersed in bioreactor, substitutes pendulum model hollow-fibre membrane of the present invention
Device) removal effect compared with membrane flux.
The index of oil-containing waste water of catering：COD 800-1500mg/L, oil content is 30-70mg/L；
The service condition of bioreactor：Using intermittent suction water-out manners, 8min is aspirated, stops 2min, system waterpower is stopped
It is 24h to stay the time (HRT), and sludge MLSS concentration is about 5000mg/L, sludge age (SRT) 60d, reactor volume 100L, use
PVDF microfiltration membranes (0.2 μm of aperture), transmembrane pressure is 0.02-0.1MPa；
The operating parameter of pendulum model hollow fiber membrane device：Swung perpendicular to the direction of eccentric shaft；The speed of swing is
20r/min；The angle of swing is 25 °.
From Fig. 3 and 4, compared with traditional immersion MBR, the MBR swung perpendicular to membrane module direction is handling low dense
When spending oily waste water, the clearance with higher COD and oil content, respectively 95% and 82%, and in the operation of 60 days
Higher membrane flux is maintained in period, the membrane flux in reaction system stationary stage is about more than 10 times of traditional MBR.
Embodiment 2
Oil-containing waste water of catering is handled using pendulum model doughnut membrane biological reaction water cleaning systems, high concentration is contained
The removal effect and membrane flux of oily waste water COD and oil content be measured, and is gone with traditional Nets impregnated
Except effect compares with membrane flux.
The index of oil-containing waste water of catering：COD 2000-3500mg/L, oil content is 100-150mg/L；
The service condition of bioreactor：Using intermittent suction water-out manners, 8min is aspirated, stops 2min, system waterpower is stopped
It is 24h to stay the time (HRT), and sludge MLSS concentration is about 5000mg/L, sludge age (SRT) 60d, reactor volume 100L, use
PVDF microfiltration membranes, transmembrane pressure is 0.02-0.1MPa；
The operating parameter of pendulum model hollow fiber membrane device：Swung perpendicular to the direction of membrane module；The speed of swing is
80r/min；The angle of swing is 65 °.
From Fig. 3 and 4, compared with traditional immersion MBR, the MBR swung perpendicular to membrane module direction is handling highly concentrated
When spending oily waste water, the same clearance with higher COD and oil content, respectively 88% and 74%, and at 60 days
Higher membrane flux is also maintained in during operation.
Embodiment 3
Oil-containing waste water of catering is handled using pendulum model doughnut membrane biological reaction water cleaning systems, high concentration is contained
The removal effect and membrane flux of oily waste water COD and oil content be measured, and is gone with traditional Nets impregnated
Except effect compares with membrane flux.
The index of oil-containing waste water of catering：COD 2000-3000mg/L, oil content is 100-150mg/L；
The service condition of bioreactor：Using intermittent suction water-out manners, 8min is aspirated, stops 2min, system waterpower is stopped
It is 24h to stay the time (HRT), and sludge MLSS concentration is about 5000mg/L, sludge age (SRT) 60d, reactor volume 100L, use
PVDF microfiltration membranes, transmembrane pressure is 0.02-0.1MPa；
The operating parameter of pendulum model hollow fiber membrane device：Swung parallel to the direction of membrane module；The speed of swing is
80r/min；The angle of swing is 65 °.
From Fig. 3 and 4, compared with traditional immersion MBR, handling highly concentrated parallel to the MBR that membrane module direction is swung
When spending oily waste water, the clearance with higher COD and oil content, respectively 82% and 70%, and in the operation of 60 days
Also higher membrane flux is maintained in period, the membrane flux in reaction system stationary stage is about more than 15 times of traditional MBR.
Claims (10)
1. a kind of pendulum model doughnut membrane biological reaction water cleaning systems, the system includes inlet water tank, bioreactor, pendulum
Formula hollow fiber membrane device, micro-hole aerator and storage tank, the inlet water tank is by being connected with the pipeline and biological respinse of water pump
Device is connected, and the inlet water tank is provided with agitator, and the pendulum model hollow fiber membrane device is hung in bioreactor, described
Pendulum model hollow fiber membrane device is connected with storage tank, and the bioreactor bottom is provided with micro-hole aerator, and its feature exists
In：The pendulum model hollow fiber membrane device includes and the rotating shaft of motor connection, the rotating unit being fixed in rotating shaft and hollow
Fiber film component, described rotating shaft is hung in bioreactor, and described rotating unit includes eccentric wheel, transmission belt, swing
Bearing, collector pipe and outlet pipe；The eccentric wheel carries rotating shaft, and the eccentric wheel is connected by transmission belt with oscillation bearing, institute
The axle center for stating oscillation bearing is fixed with collector pipe, and the collector pipe two ends are connected with the delivery port of hollow fiber film assembly respectively,
Described collector pipe is centered on oscillation bearing in center both sides provided with two symmetrical outlet pipes；The outlet of described outlet pipe
It is connected by the pipeline for being connected with pressure vacuum gauge with suction pump, the suction pump is connected with the time relay, the suction pump
Connected by the pipeline for being connected with unidirectional solenoid electric valve and magnetic valve c in turn with storage tank, the unidirectional solenoid electric valve is leaned on
Nearly suction pump；The micro-hole aerator is by being connected with the pipeline of air compressor machine and the pipeline connection for being connected with pressure vacuum gauge
And connectivity points are located between pressure vacuum gauge and suction pump, the air compressor machine two ends are respectively equipped with magnetic valve a and magnetic valve b, institute
Magnetic valve a is stated close to micro-hole aerator, gas flowmeter, the electromagnetism are additionally provided between the magnetic valve a and micro-hole aerator
Microcontroller is connected between valve a and magnetic valve b.
2. pendulum model doughnut membrane biological reaction water cleaning systems as claimed in claim 1, it is characterised in that described rotation list
Collector pipe described in member is provided with two symmetrical outlet pipes centered on oscillation bearing in center both sides；The outlet pipe is vertical
The direct-connected radial passage for passing through collector pipe, described radial passage is centered on collector pipe and both sides are provided with symmetrical delivery port.
3. pendulum model doughnut membrane biological reaction water cleaning systems as claimed in claim 1 or 2, it is characterised in that described water outlet
Pipe is connected by fixture with collector pipe.
4. pendulum model doughnut membrane biological reaction water cleaning systems as claimed in claim 1 or 2, it is characterised in that described biological anti-
Answer and fluid level controller is provided between device and water pump.
5. pendulum model doughnut membrane biological reaction water cleaning systems as claimed in claim 1 or 2, it is characterised in that the eccentric wheel
Rotating shaft on the eccentric wheel phase fixed in 1~5 rotating unit, the rotating unit it is identical.
6. pendulum model doughnut membrane biological reaction water cleaning systems as claimed in claim 1, it is characterised in that the doughnut
Membrane module is external-compression type both ends open formula membrane module.
7. a kind of application of the pendulum model doughnut membrane biological reaction water cleaning systems described in claim 1 in processing waste water.
8. application as claimed in claim 7, it is characterised in that described application is：Intake pump is opened, passes through fluid level controller
The switch of intake pump is controlled, waste water is directly entered in the bioreactor equipped with activated sludge, and sludge concentration is 5-10g/L, led to
Cross microcontroller opens solenoid valve a, close magnetic valve b, bioreactor is aerated, at the same unlatching motor, magnetic valve c and
Suction pump, carries out biological treatment to waste water, and water after biological treatment is by the sieving actoion of hollow fiber film assembly, into storage
Water tank；When membrane flux is reduced to the 5-10% of initial flux, motor, magnetic valve c and suction pump are closed, and pass through microcontroller
Opens solenoid valve b, closes magnetic valve a, and gas back-flushing is carried out to hollow fiber film assembly in the presence of air compressor machine, leads to film
Amount is recovered to more than the 90% of initial flux, stops backwash, then by microcontroller opens solenoid valve a, closes magnetic valve
B, is aerated to bioreactor, while opening motor, magnetic valve c and suction pump, biological treatment is carried out to waste water.
9. application as claimed in claim 8, it is characterised in that the speed of the shaft swing of the eccentric wheel is 0r/min-
100r/min。
10. application as claimed in claim 8, it is characterised in that the angle that the hollow fiber film assembly is swung from 0 ° -70 °,
The hollow fiber film assembly amplitude of fluctuation is 5cm~50cm.
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| CN105129974B (en) * | 2015-08-31 | 2018-04-06 | 西藏神州瑞霖环保科技股份有限公司 | A kind of progressive rotation type membrane bioreactor |
| CN112939374A (en) * | 2021-03-29 | 2021-06-11 | 福建华康精密铸造有限公司 | Reclaimed water reuse type buried sewage treatment device and treatment method thereof |
| CN114195254B (en) * | 2022-01-25 | 2023-11-17 | 南昌航空大学 | Method and device for slowing down membrane pollution in membrane bioreactor |
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| CN2558647Y (en) * | 2002-05-27 | 2003-07-02 | 张建中 | Membrane bioreactor of membrane moving type |
| CN101190807B (en) * | 2006-11-28 | 2011-08-17 | 上海理工大学 | Absorption regeneration detachable membrane bioreactor for treating water |
| CN201276456Y (en) * | 2008-09-30 | 2009-07-22 | 杭州凯宏膜技术有限公司 | Novel membrane bioreactor membrane stack |
| CN101734785A (en) * | 2008-11-15 | 2010-06-16 | 三达膜科技（厦门）有限公司 | Filtering diaphragm plate for MBR process |
| US8052874B2 (en) * | 2009-04-20 | 2011-11-08 | Ovivo Luxembourg S.a.r.l. | Method using membrane bioreactor with reduced air scour requirements |
| CN101565232B (en) * | 2009-06-02 | 2011-07-06 | 江苏金山环保工程集团有限公司 | Vibration-type membrane bioreactor |
| CN201603522U (en) * | 2010-03-25 | 2010-10-13 | 王桂林 | Swinging type filter for flat membrane module |
| CN203916469U (en) * | 2014-06-09 | 2014-11-05 | 鞍钢股份有限公司 | A kind of sequencing batch membrane bioreactor film polluting device that reduces |
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