CN206635108U - A kind of anaerobic membrane bioreactor with antifouling property - Google Patents
A kind of anaerobic membrane bioreactor with antifouling property Download PDFInfo
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- CN206635108U CN206635108U CN201720087019.3U CN201720087019U CN206635108U CN 206635108 U CN206635108 U CN 206635108U CN 201720087019 U CN201720087019 U CN 201720087019U CN 206635108 U CN206635108 U CN 206635108U
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- anaerobic
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- antifouling property
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- membrane bioreactor
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Abstract
A kind of anaerobic membrane bioreactor with antifouling property is the utility model is related to, including：Anaerobic reactor, composite mechanical telecontrol equipment and membrane module, described composite mechanical telecontrol equipment are loaded with the membrane module, and the membrane module is immersed in the anaerobic reactor, should the anaerobic membrane bioreactor integral sealing with antifouling property.The utility model is moved using composite mechanical, realizes relative motion between water and diaphragm, ensures that membrane surface shearing force is moderate, both film surface concentration polarization can be slowed down, effectively lifting anaerobism MBR operating flux, and enhancing reactor inner transmission matter effect, improve anaerobic organism system gas producing efficiency.In addition, selecting suitable frequency and amplitude also to save energy consumption, operating cost is saved.
Description
Technical field
A kind of anaerobic membrane bioreactor with antifouling property is the utility model is related to, it is mainly used in sewage
Processing, water resource recycle field.
Background technology
Traditional anaerobic bio-treated unit is that under anaerobic, a variety of different population anaerobes will be complicated in sewage
Material is converted into biogas, so as to realize energy recovery.Anaerobic biological reactor can handle the high waste water of organic loading, have energy consumption
Low, many advantages, such as mud is few for production, recovering energy source.Third generation anaerobic reactor is developed at present.Anaerobic membrane bioreactor
Membrane separation technique is combined by (Anaerobic Membrane Bioreactor, AnMBR) with anaerobic bio-treated unit
A kind of new water technology, has that biochemical effects are good, producing water water quality is stable, the advantage such as gas producing efficiency height.At present, anaerobic membrane is given birth to
Thing reactor types are concentrated mainly on external, and it has, and transformation existing system is easy, relatively stable etc. advantage of flux, pass through liquid
Body circulation is improved fouling membrane situation, some existing commercial Application cases.However, external anaerobic membrane bioreactor is present
The drawbacks of certain, such as：1) high energy consumption, using cross-flow filtration pattern, pressures cycle can not be carried out decomposing whirlpool conjunction；2) circulation line
Flow is big, and the high shear force of circulating pump easily causes bioinactivation, while destroys bio aggregate, causes under reactor efficiency
Drop.And immersion type anaerobic film bioreactor can preferably solve above-mentioned two problems, but due to control membrane fouling all the time
It really can not effectively be addressed, therefore rarely have application.
At present, aerobic MBR technology is very ripe, and the variation for being aerated form is that aerobic MBR is energy-saving, slows down film dirt
Dye provides powerful guarantee.But obstacle maximum in anaerobism MBR is that fouling membrane is extremely serious, and air aeration can not be used
Means decelerating membrane pollution.Biogas aeration is produced according to inert gas aeration or anaerobism itself, is unfavorable for engineering again and promotes.
And anaerobism MBR is high with its organic loading, biochemical effects are good, producing water water quality is stable, reclaim the energy, the advantages such as carbon footprint is lacked, into
For the focus of whole world research.Therefore, it is extremely urgent that anaerobism MBR membrane pollution problems are solved.
At present, the mode of anaerobism MBR system fouling membrane is controlled to have：1) circulated using biogas caused by anaerobic system
Aeration；2) it is aerated using inert gas；3) membrane module rotary motion.Cyclic aeration is carried out using biogas caused by anaerobic system
The problem of existing be：Biological gas production deficiency, biogas efficiently, can not be circulated fully in reactor, so as to slow down film dirt
Dye.When being aerated using inert gas, system complex, and it is unfavorable for engineer applied.And rotating the problem of film group device is present is：Group device
The linear velocity at axle center and group device edge differs, and causes easily to press from both sides mud at group device axle center, can not decelerating membrane pollution steadily in the long term.Total
For, the result of prior art operation is：Membrane flux is low, operation stability is poor, fouling membrane is very fast, it is necessary to frequent clean, system
Complicated and high energy consumption.
Utility model content
The utility model provides a kind of immersion with antifouling property in view of the foregoing defects the prior art has
Anaerobic membrane bioreactor, the relative motion of film wire surface and water is realized by reciprocal and up and down motion of group device in water, from
And play a part of decelerating membrane pollution.In addition, the mechanical movement of membrane module, can also lift anaerobic system mass transfer effect, help
In the recovery for improving anaerobic digestion speed and dissolubility methane.
The technical solution of the utility model is：
A kind of anaerobic membrane bioreactor with antifouling property, including：Anaerobic reactor, composite mechanical sportswear
Put and membrane module, described composite mechanical telecontrol equipment are loaded with the membrane module, it is anti-that the membrane module is immersed in the anaerobism
Answer in device, should the anaerobic membrane bioreactor integral sealing with antifouling property.
Advantageously, the composite mechanical telecontrol equipment includes motor, crank and connecting rod, and the motor drives the crank
Rotate, the connecting rod is connected with the crank, and the rotation of the crank drives the connecting rod to move back and forth, the connecting rod and submergence
Membrane module connection in the anaerobic reactor, the reciprocating motion of the connecting rod drive the membrane module to move back and forth,
The motor is variable-frequency motor, by the Frequency Converter Control variable-frequency motor, realizes the controllability of the membrane module motion frequency.
Advantageously, the electric machine frequency adjustable range is 0.3~0.6Hz, and the adjustable range of the distance is 3~6cm.
Advantageously, the link position of the connecting rod and the crank with the crank center wheelbase from adjustable.
Advantageously, there is seal cap sealing at the top of the anaerobic reactor, gas collection hole is left on closure.
Advantageously, the anaerobic reactor is anaerobic baffled reactor, anaerobic fluidized bed reactor, upflow sludge blanket
Reactor, internal-circulation anaerobic reactor or expanded granular sludge bed anaerobic reactor；The membrane module uses hollow-fibre membrane, put down
Plate film or Dynamic Membrane.
Advantageously, water inlet and production water that should be with the anaerobic membrane bioreactor of antifouling property use pumping, produce
Hydromining takes away 7 and stops 1 pattern, that is, produces water 7 minutes, stops 1 minute, in this mode of operation, it is ensured that anaerobism MBR film group devices are realized
Preferable strainability.
The utility model is moved using composite mechanical, realizes relative motion between water and diaphragm, ensures membrane surface shearing
Power is moderate, can both slow down film surface concentration polarization, effectively lifts anaerobism MBR operating flux, and enhancing reactor inner transmission matter effect,
Improve anaerobic organism system gas producing efficiency.In addition, selecting suitable frequency and amplitude also to save energy consumption, operating cost is saved.
Brief description of the drawings
In order to be easier to understand the technical solution of the utility model and beneficial technique effect, by referring to showing in the accompanying drawings
The application is described in detail for specific embodiment of the present utility model for going out.The accompanying drawing depict only the allusion quotation of the application
Type embodiment, the limitation to the protection domain of the application is not formed, wherein：
Fig. 1 is the structure according to the anaerobic membrane bioreactor knot with antifouling property of embodiment of the present utility model
Composition schematic diagram.
Fig. 2 shows transmembrane pressure versus time curve.
In the reference indicated in Fig. 1：
1：Water inlet；2：Anaerobic reactor；3：Membrane module：4：Produce water；5：Motor；6：Crank；7：Connecting rod.
Embodiment
Reference picture 1, according to the anaerobic membrane bioreactor bag with antifouling property of embodiment of the present utility model
Include：Anaerobic reactor 2, composite mechanical telecontrol equipment and membrane module 3.Described composite mechanical telecontrol equipment is loaded with the film
Component 3, the membrane module 3 are immersed in anaerobic reactor 2.In the present embodiment, the composite mechanical telecontrol equipment bag
Motor 5, crank 6 and connecting rod 7 are included, motor 5 drives crank 6 to rotate, and connecting rod 7 is connected with crank 6, the rotation drivening rod 7 of crank 6
Move back and forth, connection 7 is connected with the membrane module 3 being immersed in anaerobic reactor 2, and the reciprocating motion of connecting rod 7 drives membrane module 3 past
Multiple motion.The motor 5 is variable-frequency motor, by the Frequency Converter Control variable-frequency motor, realizes the adjustable of the motion frequency of membrane module 3
Section property.The distance of fixed position of the connecting rod 7 on crank 6 and the axle center of crank 6 can be adjusted.Frequency and amplitude are implemented in combination with
Plant running speed can adjust.Based on frequency and adjustable amplitude, can be adjusted according to sludge quality, such as sludge concentration, viscosity etc.
The frequency and amplitude of mechanical movement, filter out optimum working condition, both ensure membrane flux, can also save energy consumption.In addition, device
Integral sealing, it can effectively collect gas.
Water inlet 1 and production water 4 in present embodiment use pumping, and production water 4 takes out 7 to stop 1 pattern, that is, produces water 7 and divide
Clock, stop 1 minute.
In the present apparatus, connecting rod 7 ensures that anaerobic gas generation is not revealed with the part that the pool wall of anaerobic reactor 2 contacts by sealing.
Seal cap sealing is arranged at the top of anaerobic reactor 2, covers and leaves gas collection hole, the collection that biogas caused by anaerobism passes through reactor head
Stomata is collected.
Described membrane module, hollow-fibre membrane, Flat Membrane, one kind of Dynamic Membrane can be used.
Composite mechanical telecontrol equipment is by changing electric machine frequency (0.3~0.6Hz of scope), so as to realize that control group device is transported
Dynamic angular speed.By changing the distance (3~6cm) of fixed position and axle center of the connecting rod 7 on crank 6, realization group device is in transverse direction
With the change of lengthwise movement displacement.
Embodiment：
In laboratory, to one form of which (anaerobic baffle plate MBR) trial operation of said apparatus, last compartment sludge
Concentration is 10g/L or so.The optimum frequency that pre-stage test obtains mechanical movement is 0.5Hz, best amplitude 5cm.Adjust frequency conversion
Electric machine frequency, change connecting rod 7 and the central shaft distance of crank 6, run on this condition.Fig. 2 changes with time for transmembrane pressure
Curve, membrane flux 15LMH.As shown in Figure 2, on this condition, the device adds up stable operation 1100h, is roughly equal to 46 days, nothing
Cleaning.The experiment further demonstrates that the composite mechanical telecontrol equipment in the utility model is dirty for alleviating the film under anaerobic condition
Dye, it is largely effective.
The beneficial effects of the utility model are：
(1) mechanical motion mode is used, strengthening system mass transfer effect, improves biochemical system efficiency；
(2) device globality is preferable, simple in construction easily to realize；
(3) it is aerated, is can save energy instead of anaerobism by mechanical movement；
(4) effusion and collection of anaerobic system dissolubility methane are advantageous to；
(5) film surface concentration polarization is alleviated by mechanical movement, controls fouling membrane, improve film operating flux；
(6) anaerobic system is run with higher flux, can save diaphragm cost of investment；
(7) operating flux improves, and can be saved floor occupying area in the case where identical handles water.
The utility model can be embodied in the form of other are specific, at the same can also to its many modifications may be made and become
Type, such as the anaerobic reactor are not limited to a certain kind, can be anaerobic baffled reactor, anaerobic fluidized bed reactor
Deng；The control membrane fouling mode of this kind of form is except for anaerobism, can be also used for anaerobic environment；This kind of form can be used for replacing
Under any non-aerobic condition, using biogas, inert gas aeration system in, for mass transfer enhancement efficiency, decelerating membrane pollution.
These modifications and variations are without departing from the scope of protection of the utility model, and the scope of protection of the utility model is only by appended power
Profit requires to limit.
Claims (9)
1. a kind of anaerobic membrane bioreactor with antifouling property, including：Anaerobic reactor, composite mechanical telecontrol equipment
And membrane module, described composite mechanical telecontrol equipment are loaded with the membrane module, the membrane module is immersed in the anaerobic reaction
, should the anaerobic membrane bioreactor integral sealing with antifouling property in device.
2. the anaerobic membrane bioreactor according to claim 1 with antifouling property, wherein the composite mechanical
Telecontrol equipment includes motor, crank and connecting rod, and the motor drives the crank to rotate, and the connecting rod is connected with the crank,
The rotation of the crank drives the connecting rod to move back and forth, the connecting rod and the film group being immersed in the anaerobic reactor
Part connects, and the reciprocating motion of the connecting rod drives the membrane module to move back and forth, and the motor is variable-frequency motor, passes through frequency converter
The variable-frequency motor is controlled, realizes the controllability of the membrane module motion frequency.
3. the anaerobic membrane bioreactor according to claim 2 with antifouling property, wherein the electric machine frequency is adjusted
Adjusting range is 0.3~0.6Hz.
4. the anaerobic membrane bioreactor according to claim 2 with antifouling property, wherein the connecting rod with it is described
The link position of crank is with the crank center wheelbase from adjustable.
5. the anaerobic membrane bioreactor according to claim 4 with antifouling property, wherein the regulation of the distance
Scope is 3~6cm.
6. the anaerobic membrane bioreactor according to claim 1 with antifouling property, wherein the anaerobic reactor
Seal cap sealing is arranged at top, and gas collection hole is left on closure.
7. the anaerobic membrane bioreactor according to claim 1 with antifouling property, wherein the anaerobic reactor
For anaerobic baffled reactor, anaerobic fluidized bed reactor, upflow sludge bed reactor, internal-circulation anaerobic reactor or expansion
Granular mud bed anaerobic reactor.
8. the anaerobic membrane bioreactor according to claim 1 with antifouling property, wherein the membrane module uses
Hollow-fibre membrane, Flat Membrane or Dynamic Membrane.
9. the anaerobic membrane bioreactor with antifouling property according to any one of claim 1-8, the wherein tool
There are the water inlet of the anaerobic membrane bioreactor of antifouling property and production water to use pumping, production hydromining takes away 7 and stops 1 pattern, i.e.,
Produce water 7 minutes, stop 1 minute.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201720087019.3U CN206635108U (en) | 2017-01-23 | 2017-01-23 | A kind of anaerobic membrane bioreactor with antifouling property |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720087019.3U CN206635108U (en) | 2017-01-23 | 2017-01-23 | A kind of anaerobic membrane bioreactor with antifouling property |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111439842A (en) * | 2020-05-27 | 2020-07-24 | 天津碧水源膜材料有限公司 | Longitudinal vibration's MBR corrugated membrane device |
| CN115504622A (en) * | 2022-08-16 | 2022-12-23 | 北京碧水源科技股份有限公司 | Anaerobic sewage treatment system based on vibrating membrane separation equipment |
-
2017
- 2017-01-23 CN CN201720087019.3U patent/CN206635108U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111439842A (en) * | 2020-05-27 | 2020-07-24 | 天津碧水源膜材料有限公司 | Longitudinal vibration's MBR corrugated membrane device |
| CN115504622A (en) * | 2022-08-16 | 2022-12-23 | 北京碧水源科技股份有限公司 | Anaerobic sewage treatment system based on vibrating membrane separation equipment |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 301800 No.10, Fuli Road, plastic products industrial zone, Baodi District, Tianjin Patentee after: Oseco membrane technology (Tianjin) Co.,Ltd. Address before: 301800 No.10, Fuli Road, plastic products industrial zone, Baodi District, Tianjin Patentee before: TIANJIN BISHUIYUAN MEMBRANE MATERIAL Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |