CN110510732A - A kind of composite membrane-type biological reaction apparatus - Google Patents
A kind of composite membrane-type biological reaction apparatus Download PDFInfo
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- CN110510732A CN110510732A CN201910698453.9A CN201910698453A CN110510732A CN 110510732 A CN110510732 A CN 110510732A CN 201910698453 A CN201910698453 A CN 201910698453A CN 110510732 A CN110510732 A CN 110510732A
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- membrane
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- aeration biomembrane
- biomembrane reactor
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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
- C02F3/02—Aerobic processes
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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
- C02F3/02—Aerobic processes
- C02F3/12—Activated sludge processes
- C02F3/1236—Particular type of activated sludge installations
- C02F3/1268—Membrane bioreactor systems
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Abstract
The present invention relates to a kind of composite membrane-type biological reaction apparatus, including water tank inlet, membrane aeration biomembrane reactor, water circulating pump, it is separated by solid-liquid separation tubular membrane, detection box, the out components such as water tank and compressed air source unit, wherein membrane aeration biomembrane reactor uses cylindrical structure form, hollow fiber film thread passes through top and pours layer and top film wire fixed disk, extends to bottom film wire fixed disk and layer is poured in bottom；Film wire is uniformly distributed in reactor cross-section, and identical interval is kept between each film wire, and the growth for film aeration and biomembrane provides condition.Meanwhile the present invention completes the hydraulic mixing of membrane aeration biomembrane reactor by way of bypass circuit, and the tubular membrane component by being arranged in circulation bypass is completed to be separated by solid-liquid separation.The present invention can integrally promote the reliability of membrane aeration biomembrane reactor and its technique application, improve effluent quality.
Description
Technical field
The present invention relates to membrane type biological sewage processing technology field more particularly to a kind of composite membrane-type biological reaction apparatus.
Background technique
Membrane aeration biomembrane reactor (membrane aerated biofilm reactor, MABR) combines gas point
From membrane technology and biomembrane process, oxygen is provided using doughnut aeration film as microbial carrier and for biomembrane,
Oxygen transfer efficiency can be improved by way of foamless oxygen-supplying, reduces processing energy consumption, in high-concentration waste water or contain volatile organic matter
There is advantage in the processing of waste water.Meanwhile the biomembrane grown on aeration film has mass transfer anisotropy, inside biomembrane and liquid
The regional natures such as phase main body form aerobic zone, anoxic zone, anaerobic zone, this feature makes it have the potentiality of synchronous carbon and nitrogen removal,
It is suitable for handling the sewage of low C/N ratio.Further, since gas, liquid, solid three-phase is relatively fixed in MABR, and it is able to achieve foamless oxygen-supplying,
The pressure for substantially reducing subsequent three phase separation can be suitably used for the particular surroundings application such as space below-G conditions or low gravitation condition, closely
Become one of the hot spot of sewage treatment process research over year.
But this technology is whole at present to be still in the development in laboratory stage, the engineering application case of rare pilot-scale,
Tracing it to its cause mainly has following three points, and one, the hollow fiber film thread loaded is typically in disordered state or fasciculation or at curtain
Shape, the interval between each film wire is different in size, and each film wire itself is also without fixed shape, mostly loose condition (of surface), it is easy to because of turbulent flow
And drift about, this results in two adverse consequences, on the one hand, with the propulsion of reaction process, agglomeration is easily caused between film wire,
Blocking, to influence mass-transfer efficiency, longtime running stability is bad；On the other hand, the membrane module of different batches and reactor product
Matter and state are inconsistent, and the repeatability of processing performance is difficult to ensure.Three, the whole design shortcoming of Engineering Oriented practical application is existing
In some achievements, some focus processes, some focusing oxygen supplys and mass-transfer efficiency, not from layers such as material, component, technique, performances
Face carries out OVERALL OPTIMIZA-TION DESIGN FOR, and leading to the overall performance of process system, it is easy to appear short slabs.
Summary of the invention
It is excellent by preferred Hollow-fibre membranes material the object of the present invention is to provide a kind of composite membrane-type biological reaction apparatus
Change membrane module and structure of reactor design, by MABR and tubular membrane connected applications, Optimum Hydraulic mixing and separation of solid and liquid are guaranteeing
Under the premise of superperformance, the reliability of lifting process device and the overall performance of repeatability and its process system.
The present invention provides a kind of composite membrane-type biological reaction apparatus, including water tank inlet, membrane aeration biomembrane reactor,
Water circulating pump is separated by solid-liquid separation tubular membrane, detection box, goes out water tank, compressed air source unit and Mersure Controler；
The water tank inlet is connect by intake pump with the water inlet for being located at the membrane aeration biomembrane reactor lower part, is used
In sewage is sent into the membrane aeration biomembrane reactor by the intake pump；
The membrane aeration biomembrane reactor is provided with bypass circuit pipeline, and the bypass circuit pipeline is used for by described
Water circulating pump is drawn water by the circulation inlet of the membrane aeration biomembrane reactor bottom, successively through the separation of solid and liquid tubular type
The circulation liquid return hole of film, detection box and membrane aeration biomembrane reactor top enters the membrane aeration biomembrane reactor
In, the waterpower mixing of liquid in the membrane aeration biomembrane reactor is carried out in a manner of bypass circuit, and be the solid-liquid point
It is provided from tubular membrane and is separated by solid-liquid separation power, prevent separation of solid and liquid tubular membrane from quickly polluting by sluicing；
The separation of solid and liquid tubular membrane is connect by drain valve with the water tank out, and being used for will be through the film aeration and biological
After the water filtering that membrane reactor has been handled, it is discharged into the water tank out through the drain valve.
Further, water flow upper up-flow stream in the membrane aeration biomembrane reactor is guaranteed by the bypass circuit pipeline
Speed is 0.16~0.8cm/s.
Further, excess sludge drain valve is provided on the bypass circuit pipeline, the excess sludge drain valve is set
In on the water circulating pump and the pipeline being separated by solid-liquid separation between tubular membrane.
Further, the filter membrane diameter for being separated by solid-liquid separation tubular membrane is the 1/ of the aeration biomembrane reactor diameter
20。
Further, the gas source of the compressed air source unit is high pressure gas, including oxygen, air, CO2、CH4In it is any one
Kind, the compressed air source unit passes sequentially through pressure reducing valve, mass flow controller and pressure sensor and the aeration and biological film reaction
The connection of device bottom air inlet；
The plenum system of the compressed air source unit uses through plenum system or closed plenum system, in through gas supply
Under mode, the high pressure gas is by the discharge chamber of the aeration biomembrane reactor head via being discharged to atmosphere ring outside gas outlet
Border；Under closed plenum system, the gas outlet of the aeration biomembrane reactor head is in truncation state, the high pressure gas
Body is enclosed in the pipeline between the compressed air source unit and discharge chamber and the aeration and biological membrane reactor；
Supply gas pressure and flow under two kinds of plenum systems by the Mersure Controler by mass flow controller into
Row control.
Further, dissolved oxygen sensor and pH sensor are installed on the detection box, are respectively used to acquisition dissolved oxygen
With pH signal and be transported to the Mersure Controler.
Further, the Mersure Controler and the dissolved oxygen sensor, pH sensor, pressure sensor, intake pump,
Water circulating pump, excess sludge drain valve, drain valve, mass flow controller connection, for acquiring pH, dissolved oxygen, aeration and biological
Pressure, inlet pressure, gas mass flow and the intake pump, water circulating pump, excess sludge discharge in membrane reactor
The switch state of valve, drain valve, while according to Inlet and outlet water and for the technique requirement of gas concentration, to the intake pump, circulation
Water pump, excess sludge drain valve and drain valve carry out start-up and shut-down control, and carry out gas stream by the mass flow controller
Amount control.
Further, the membrane aeration biomembrane reactor uses cylindrical structure form, ratio of height to diameter 3:1；
Film wire is filled in the membrane aeration biomembrane reactor, the film wire passes through the symmetrical top film wire in upper and lower part
Fixed disk, top pour layer and bottom film wire fixed disk, bottom are poured layer and fixed, interval having the same between each film wire；
Layer is poured at the top and bottom is poured layer and film wire upper and lower ends are fixed using epoxide-resin glue closure material
And sealing gland, the top film wire fixed disk, top pour layer, bottom film wire fixed disk, bottom pouring layer and membrane aeration biomembrane
The bottom and top of shell of reactor bonding, the membrane aeration biomembrane reactor are equipped with inlet chamber and discharge chamber, the film wire
Top is sequentially passed through from top to bottom and pours layer, top film wire fixed disk, bottom film wire fixed disk, bottom pouring layer, can make to come from
The high pressure gas of compressed air source unit can enter film wire from bottom inflow chamber, pass through film wire, then enter the discharge chamber or from described
Discharge chamber discharge.
Further, loaded film wire uses hollow fiber membrane format, and the film wire material is polytetrafluoroethylene (PTFE) material, tool
There is hydrophobicity, the film wire outer diameter is 1~2mm, and loading density is 100~300m2/m3。
Further, it is uniform to pour layer, top film wire fixed disk, bottom film wire fixed disk, bottom pouring layer for the top
It is disposed with film wire filling hole, the film wire passes through the film wire filling hole and is uniformly filled in the membrane aeration biomembrane reactor
Overcurrent cross section, interval is greater than 1mm between adjacent two hole of the film wire filling hole.
According to the above aspect of the present invention, being had the following technical effect that by composite membrane-type biological reaction apparatus
1, film wire is orderly loaded in membrane aeration biomembrane reactor, and each film wire is independent at regular shape is stretched, each other it
Between keep same intervals, be conducive to structure of reactor, waterpower mixing, the Quantitative design of biofilm development and maintenance and accurate control
System is also beneficial to the standardization of device production and the standardization of operating process.
2, it is set by the fusion of the optimization design of membrane material and Hydraulic Circulation speed and solid seperation film eroding velocity
Meter, extends the service life of membrane module, and the energy utilization efficiency of lifting system.
3, the combined application of membrane aeration biomembrane process and MBR technique guarantees membrane aeration biomembrane reaction to greatest extent
The quantity and activity of aerobic flora, anoxic flora and anaerobic bacteria flora in device, it is whole to improve reaction unit performance and volume efficiency,
And improve effluent quality.
4, the advantage in view of the present invention in terms of three phase separation, three-phase mass transfer, and it is able to achieve quantitative assessment, repeatability
It is good, and it is able to achieve the standardization of production and operation, present invention can apply to the particular applications such as space weightlessness, low gravitation.
The above description is only an overview of the technical scheme of the present invention, in order to better understand the technical means of the present invention,
And can be implemented in accordance with the contents of the specification, the following is a detailed description of the preferred embodiments of the present invention and the accompanying drawings.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the longitudinal sectional view of inventive film aeration and biological membrane reactor；
Fig. 3 is the top view of film wire fixed disk of the present invention.
Figure label:
1- water tank inlet；2- membrane aeration biomembrane reactor；3- water circulating pump；4- is separated by solid-liquid separation tubular membrane；5- detects box；
6- goes out water tank；7- compressed air source unit；8- Mersure Controler；
101- intake pump；
201- water inlet；202- recycles inlet；203- recycles liquid return hole；204- air inlet；The gas outlet 205-；206- pressure
Force snesor；207- discharge chamber；Layer is poured at the top of 208-；Film wire fixed disk at the top of 209-；210- film wire；The bottom 211- film wire is solid
Price fixing；Layer is poured in the bottom 212-；213- inlet chamber；214- shell of reactor；215- film wire filling hole；
301- excess sludge drain valve；
401- drain valve；
501- dissolved oxygen sensor；502-pH sensor；
701- pressure reducing valve；702- mass flow controller；703- pressure sensor；
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiments of the present invention will be described in further detail.Implement below
Example is not intended to limit the scope of the invention for illustrating the present invention.
Join shown in Fig. 1, present embodiments provides a kind of composite membrane-type biological reaction apparatus, including water tank inlet 1, film aeration
Biofilm reactor (MABR) 2, water circulating pump 3 are separated by solid-liquid separation tubular membrane 4, detection box 5 (detection water tank), go out water tank 6, gas
Source device 7 and Mersure Controler 8.The outside of membrane aeration biomembrane reactor 2, bottom and top are equipped with water inlet 201, recycle into
Liquid mouth 202 recycles liquid return hole 203, air inlet 204, gas outlet 205, and pressure sensor 206 is housed；3 downstream of water circulating pump dress
There is excess sludge drain valve 301；It is separated by solid-liquid separation 4 downstream pipe of tubular membrane and drain valve 401 is installed；Installation dissolution on box 5 is detected to pass
Sensor 501, pH sensor 502；Water tank 6 is connect by drain valve 401 with tubular membrane 4 is separated by solid-liquid separation out；Compressed air source unit 7 is successively
By pressure reducing valve 701, mass flow controller 702 and pressure sensor 703 be located at membrane aeration biomembrane reactor bottom
Air inlet 204 connects.
Wherein, water tank inlet 1 is connected by intake pump 101 with the water inlet 201 for being located at 2 lower part of membrane aeration biomembrane reactor
It connects, and sewage is sent into membrane aeration biomembrane reactor 2；Bypass circuit pipeline is arranged in membrane aeration biomembrane reactor 2, by following
Ring water pump 3 draws water from the circulation inlet 202 of 2 bottom of membrane aeration biomembrane reactor, successively via be separated by solid-liquid separation tubular membrane 4 with
And the circulation liquid return hole 203 of detection box 5,2 top of membrane aeration biomembrane reactor enters in membrane aeration biomembrane reactor 2；Together
When bypass circuit pipeline on be arranged excess sludge drain valve 301, Open valve as needed, complete excess sludge discharge；Through film
The water that aeration and biological membrane reactor 2 has been handled enters water outlet water after being separated by solid-liquid separation tubular membrane 4 and filtering, by drain valve 401
Case 6.Guarantee that upper up-flow flow velocity is between 0.16~0.8cm/s in membrane aeration biomembrane reactor 2 by bypass circuit, to guarantee
The appropriate waterpower mixing of liquid in membrane aeration biomembrane reactor 2, strengthen mass transfer not will cause largely falling off for biomembrane simultaneously.
Meanwhile bypass circuit returns and is separated by solid-liquid separation the offer separation of solid and liquid power of tubular membrane 4, prevents tubular membrane from quickly polluting.
In the present embodiment, 2 main structure of membrane aeration biomembrane reactor uses organic glass resin material, reactor inside diameter
For 160mm, the filter membrane diameter for being separated by solid-liquid separation tubular membrane 4 should be 1/20 or so of membrane aeration biomembrane reactor diameter, with simultaneously
Guarantee the demand of waterpower mixing and separation of solid and liquid 4 sluicing of tubular membrane in membrane aeration biomembrane reactor 2, the present embodiment is solid
The filter membrane diameter that liquid separates tubular membrane 4 is 8mm, by selecting the water circulating pump 3 of suitable lift and pressure, maintains film aeration and biological
Upflow velocity is 0.16cm/s in membrane reactor 2, while guaranteeing waterpower mixing and solid-liquid point in membrane aeration biomembrane reactor 2
Demand from 4 sluicing of tubular membrane.
In the present embodiment, the gas source of compressed air source unit 7 can be oxygen, air, CO2、CH4Equal high pressure gas, gas is via subtracting
Pass through 2 bottom inflow of membrane aeration biomembrane reactor after pressure valve 701, mass flow controller 702 and pressure sensor 703
Mouthfuls 204 enter inlet chambers 213, and plenum system can select through and closed two ways, under through blowing model, gas
By discharge chamber 207, via atmospheric environment is discharged to outside gas outlet 205, under closed blowing model, membrane aeration biomembrane is truncated in body
The gas outlet 205 at 2 top of reactor, pipeline and hollow-fibre membrane of the gas confinement between compressed air source unit 7 and discharge chamber 207
It is interior.Supply gas pressure and flow under both of which are controlled by Mersure Controler 8 by mass flow controller.
Installation dissolved oxygen sensor 501 and pH sensor 502 on detection box 5, completion dissolved oxygen and pH signal acquisition are simultaneously defeated
It is sent to Mersure Controler 8.
Mersure Controler 8 completes pH, dissolved oxygen, pressure, inlet pressure, gas matter in membrane aeration biomembrane reactor 2
Measure the switch states such as physical quantitys and intake pump 101, water circulating pump 3, excess sludge drain valve 301, drain valve 401 such as flow
The acquisition of amount, while according to Inlet and outlet water and for the requirement of the techniques such as gas concentration, it completes to intake pump 101, water circulating pump 3, residue
The gas flow of the start-up and shut-down control and mass flow controller 8 of mud discharging valve 301 and drain valve 401 controls.
In the present embodiment, under normal circumstances, continuous running and the excess sludge of intake pump 101 and water circulating pump 3 are maintained
The closing of drain valve 301, and according to the pressure condition in membrane aeration biomembrane reactor 2 in pressure, implement opening for drain valve 401
Stop controlling, the flow control to mass flow controller 8 is completed according to dissolved oxygen value.It in other embodiments, can be according to work
Skill demand adjusts gas flow and Inlet and outlet water control mode.
Join shown in Fig. 2, membrane aeration biomembrane reactor (MABR) 2 uses cylindrical structure form, and ratio of height to diameter is 3:1 left
It is right.Its main structure is divided into 207 top vent chambers 207 from top to bottom；Layer 208, top film wire fixed disk are poured in top
209, film wire 210, bottom film wire fixed disk 211, layer 212, bottom inflow chamber 213, shell of reactor 214 are poured in bottom.
Film wire 210 passes through top and bottom two symmetrical top film wire fixed disk 209,211 and of bottom film wire fixed disk
Layer 208 is poured at top, bottom is poured layer 212 and is fixed, to guarantee that film wire 210 is uniformly distributed in reactor cross-section, respectively
It keeps identical interval, being divided into 2mm between the present embodiment between film wire 210, the growth for film aeration and biomembrane provides condition, together
When under the action of waterpower mixing, improve the mass-transfer efficiency in biomembrane and liquid phase main body.Layer 208 is poured at top and bottom is poured
Layer 212 use epoxide-resin glue closure material, complete film wire beam upper and lower ends fixation and sealing gland, film wire fixed disk and pour layer and
Shell of reactor 214 bonds together, and is respectively formed inlet chamber 213 and discharge chamber 207 in bottom and top, film wire 210 from
Top to bottm sequentially passes through top and pours layer 208, top film wire fixed disk 209, bottom film wire fixed disk 211 and bottom pouring layer
212, the gas from compressed air source unit 7 can enter film wire 210 from bottom inflow chamber 213, pass through film wire 210, then enter exhaust
Chamber 207 is discharged from discharge chamber 207.
Join top film wire fixed disk 209 shown in Fig. 3, bottom film wire fixed disk 211, top and bottom film wire fixed disk is adopted
With identical structure and layout, film wire fixed disk uses porous structure, is uniformly distributed film wire filling hole 215 in fixed disk,
Film wire 210 passes through film wire filling hole 215 and completes filling even on overcurrent cross section, and every film wire independently loads, with fixation
Disk is vertical, and keeps identical interval.The diameter of film wire filling hole 215 is determined by the outer diameter of loaded film wire 210, between two holes
Interval should be greater than 1mm, to prevent from being coupled to each other between biomembrane, block flow channel for liquids, the whole biography for promoting bio-reaction system
Matter effect.
In the present embodiment, loaded film wire 210 uses hollow fiber membrane format, and film wire material is polytetrafluoroethylene (PTFE) material,
For hydrophobicity, 210 outer diameter film wire outer diameter of film wire is 1~2mm, preferably 1.4mm, 100~300m of loading density2/m3, preferably
100m2/m3。
Composite membrane-type biological reaction apparatus provided by the invention is a kind of foamless oxygen supply biological film and film biology integrating device,
Membrane aeration biomembrane reactor uses cylindrical structure form in the device, and hollow-fibre membrane tow passes through top and pours layer and bottom
Portion's film wire fixed disk, extends to bottom film wire fixed disk and layer is poured in bottom；Film wire is uniformly distributed in reactor cross-section, respectively
Identical interval is kept between film wire, the growth for film aeration and biomembrane provides condition.Meanwhile the present invention passes through bypass circuit
Mode complete the hydraulic mixing of membrane aeration biomembrane reactor, and the tubular membrane component by being arranged in circulation bypass is completed
It is separated by solid-liquid separation.The present invention can integrally promote the reliability of membrane aeration biomembrane reactor and its technique application, improve effluent quality.
Simulated air condensed water is handled using the present invention, TOC 170mg/L of intaking, the water quality item of influent ammonia nitrogen 50mg/L
Part can stablize the removal rate of the removal rate and 90% or more ammonia nitrogen of realizing 95% or more TOC.
The above is only a preferred embodiment of the present invention, it is not intended to restrict the invention, it is noted that for this skill
For the those of ordinary skill in art field, without departing from the technical principles of the invention, can also make it is several improvement and
Modification, these improvements and modifications also should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of composite membrane-type biological reaction apparatus, which is characterized in that including water tank inlet, membrane aeration biomembrane reactor, follow
Ring water pump is separated by solid-liquid separation tubular membrane, detection box, goes out water tank, compressed air source unit and Mersure Controler；
The water tank inlet is connect by intake pump with the water inlet for being located at the membrane aeration biomembrane reactor lower part, for leading to
It crosses the intake pump sewage is sent into the membrane aeration biomembrane reactor；
The membrane aeration biomembrane reactor is provided with bypass circuit pipeline, and the bypass circuit pipeline is for passing through the circulation
Water pump is drawn water by the circulation inlet of the membrane aeration biomembrane reactor bottom, successively through the separation of solid and liquid tubular membrane, inspection
The circulation liquid return hole for surveying box and membrane aeration biomembrane reactor top enters in the membrane aeration biomembrane reactor, with side
The mode of road circulation carries out the waterpower mixing of liquid in the membrane aeration biomembrane reactor, and is the separation of solid and liquid tubular membrane
It provides and is separated by solid-liquid separation power, prevent separation of solid and liquid tubular membrane from quickly polluting by sluicing；
The separation of solid and liquid tubular membrane is connect by drain valve with the water tank out, and being used for will be through the aeration and biological film reaction
After the water filtering that device has been handled, it is discharged into the water tank out through the drain valve.
2. composite membrane-type biological reaction apparatus according to claim 1, which is characterized in that pass through the bypass circuit pipeline
Guarantee that water flow upper up-flow flow velocity is 0.16~0.8cm/s in the membrane aeration biomembrane reactor.
3. composite membrane-type biological reaction apparatus according to claim 1, which is characterized in that set on the bypass circuit pipeline
It is equipped with excess sludge drain valve, the pipe that the excess sludge drain valve is set to the water circulating pump and is separated by solid-liquid separation between tubular membrane
On the road.
4. composite membrane-type biological reaction apparatus according to claim 1, which is characterized in that the separation of solid and liquid tubular membrane
Filter membrane diameter is the 1/20 of the aeration biomembrane reactor diameter.
5. composite membrane-type biological reaction apparatus according to claim 3, which is characterized in that the gas source of the compressed air source unit is
High pressure gas, including oxygen, air, CO2、CH4In any one, the compressed air source unit passes sequentially through pressure reducing valve, mass flow
Controller and pressure sensor are connect with the aeration biomembrane reactor bottom air inlet；
The plenum system of the compressed air source unit uses through plenum system or closed plenum system, in through plenum system
Under, the high pressure gas is by the discharge chamber of the aeration biomembrane reactor head via being discharged to atmospheric environment outside gas outlet；
Under closed plenum system, the gas outlet of the aeration biomembrane reactor head is in truncation state, the high pressure gas
In the pipeline and the aeration and biological membrane reactor being enclosed between the compressed air source unit and discharge chamber；
Supply gas pressure and flow under two kinds of plenum systems are controlled by the Mersure Controler by mass flow controller
System.
6. composite membrane-type biological reaction apparatus according to claim 5, which is characterized in that be equipped on the detection box molten
Lambda sensor and pH sensor are solved, acquisition dissolved oxygen and pH signal are respectively used to and is transported to the Mersure Controler.
7. composite membrane-type biological reaction apparatus according to claim 6, which is characterized in that the Mersure Controler with it is described
Dissolved oxygen sensor, pH sensor, pressure sensor, intake pump, water circulating pump, excess sludge drain valve, drain valve, quality stream
Amount controller connection, for acquiring pH, dissolved oxygen, pressure, inlet pressure, gas mass flow in aeration and biological membrane reactor
Amount and the intake pump, water circulating pump, excess sludge drain valve, drain valve switch state, while according to Inlet and outlet water with
And the technique requirement for gas concentration, start and stop control is carried out to the intake pump, water circulating pump, excess sludge drain valve and drain valve
System, and gas flow control is carried out by the mass flow controller.
8. composite membrane-type biological reaction apparatus according to claim 1, which is characterized in that the membrane aeration biomembrane reaction
Device uses cylindrical structure form, ratio of height to diameter 3:1；
Film wire is filled in the membrane aeration biomembrane reactor, the film wire is fixed by the symmetrical top film wire in upper and lower part
Disk, top pour layer and bottom film wire fixed disk, bottom are poured layer and fixed, interval having the same between each film wire；
It is gentle that the top pouring layer and bottom pouring layer are fixed film wire upper and lower ends using epoxide-resin glue closure material
Envelope, the top film wire fixed disk, top are poured layer, bottom film wire fixed disk, bottom pouring layer and are reacted with membrane aeration biomembrane
Device shell bonding, the bottom and top of the membrane aeration biomembrane reactor are equipped with inlet chamber and discharge chamber, and the film wire is from upper
Top is sequentially passed through under and pours layer, top film wire fixed disk, bottom film wire fixed disk, bottom pouring layer, can make to come from gas source
The high pressure gas of device can enter film wire from bottom inflow chamber, pass through film wire, then enter the discharge chamber or from the exhaust
Chamber discharge.
9. composite membrane-type biological reaction apparatus according to claim 8, which is characterized in that loaded film wire uses hollow fibre
Form membrane is tieed up, the film wire material is polytetrafluoroethylene (PTFE) material, has hydrophobicity, and the film wire outer diameter is 1~2mm, is loaded close
Degree is 100~300m2/m3。
10. composite membrane-type biological reaction apparatus according to claim 9, which is characterized in that layer, top are poured in the top
Film wire fixed disk, bottom film wire fixed disk, bottom pour layer and have been evenly arranged film wire filling hole, and the film wire passes through the film wire
Filling hole is uniformly filled in the overcurrent cross section of the membrane aeration biomembrane reactor, between adjacent two hole of the film wire filling hole
Interval is greater than 1mm.
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| CN111045370A (en) * | 2019-12-30 | 2020-04-21 | 贵州汇力自控工程有限公司 | Water treatment management and control system |
| CN113292161A (en) * | 2021-05-31 | 2021-08-24 | 浙江大学 | Solar power membrane aeration biomembrane reactor and method for water body remediation |
| CN113429068A (en) * | 2021-06-29 | 2021-09-24 | 安徽川清清环境科技有限公司 | EHBR (anaerobic-aerobic biological coupling) membrane water quality purification device for riverway |
| CN113998836A (en) * | 2021-10-27 | 2022-02-01 | 常州宣清环境科技有限公司 | MABR membrane sewage treatment system and treatment method |
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