CN104667752B - A kind of six rib tubular membrane of external pressure - Google Patents
A kind of six rib tubular membrane of external pressure Download PDFInfo
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- CN104667752B CN104667752B CN201310617665.2A CN201310617665A CN104667752B CN 104667752 B CN104667752 B CN 104667752B CN 201310617665 A CN201310617665 A CN 201310617665A CN 104667752 B CN104667752 B CN 104667752B
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- 239000002131 composite material Substances 0.000 claims abstract description 58
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- 229910052799 carbon Inorganic materials 0.000 claims abstract description 50
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 15
- 239000004020 conductor Substances 0.000 claims abstract description 14
- 239000003822 epoxy resin Substances 0.000 claims abstract description 10
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- 238000007789 sealing Methods 0.000 claims abstract description 10
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- 239000000446 fuel Substances 0.000 claims description 19
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- 238000009827 uniform distribution Methods 0.000 claims description 4
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- 238000000605 extraction Methods 0.000 claims description 2
- 229920002313 fluoropolymer Polymers 0.000 claims description 2
- 239000004811 fluoropolymer Substances 0.000 claims description 2
- 229920002492 poly(sulfone) Polymers 0.000 claims description 2
- 229920002647 polyamide Polymers 0.000 claims description 2
- 239000004417 polycarbonate Substances 0.000 claims description 2
- 229920000515 polycarbonate Polymers 0.000 claims description 2
- 239000010426 asphalt Substances 0.000 claims 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims 1
- 229920000098 polyolefin Polymers 0.000 claims 1
- 238000002360 preparation method Methods 0.000 abstract description 17
- 238000004140 cleaning Methods 0.000 abstract description 8
- 238000004065 wastewater treatment Methods 0.000 abstract description 3
- 239000010410 layer Substances 0.000 description 41
- 238000005516 engineering process Methods 0.000 description 16
- 239000000463 material Substances 0.000 description 15
- 239000002086 nanomaterial Substances 0.000 description 11
- 208000006735 Periostitis Diseases 0.000 description 10
- 210000003460 periosteum Anatomy 0.000 description 10
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 8
- 238000012545 processing Methods 0.000 description 7
- 229920000620 organic polymer Polymers 0.000 description 6
- 239000002957 persistent organic pollutant Substances 0.000 description 6
- 239000010865 sewage Substances 0.000 description 6
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- 229910000838 Al alloy Inorganic materials 0.000 description 4
- 239000002033 PVDF binder Substances 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
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- 238000001914 filtration Methods 0.000 description 4
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- SZVJSHCCFOBDDC-UHFFFAOYSA-N ferrosoferric oxide Chemical compound O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 description 2
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- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical class C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- SOQBVABWOPYFQZ-UHFFFAOYSA-N oxygen(2-);titanium(4+) Chemical compound [O-2].[O-2].[Ti+4] SOQBVABWOPYFQZ-UHFFFAOYSA-N 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
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- MCMNRKCIXSYSNV-UHFFFAOYSA-N ZrO2 Inorganic materials O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
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- 230000009286 beneficial effect Effects 0.000 description 1
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- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 description 1
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- GUJOJGAPFQRJSV-UHFFFAOYSA-N dialuminum;dioxosilane;oxygen(2-);hydrate Chemical compound O.[O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O GUJOJGAPFQRJSV-UHFFFAOYSA-N 0.000 description 1
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- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
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- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
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Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention discloses a kind of six rib tubular membranes of external pressure, are made of six rib bushing pipes, composite filter membrane, press strip, core pipe and end cap；The composite filter membrane is made of internal layer carbon net, organic filter membrane, outer layer carbon net and the contact conductor；On the outside of the core pipe between adjacent ribs plate, it is provided with water conservancy diversion circular hole；The composite filter membrane is fixed between the every two adjacent rib plate by the press strip, the composite filter membrane is presented the formula of rising and falling and is distributed on six rib bushing pipe outer surfaces, the six ribs bushing pipe both ends are fixed by the end cap and epoxy resin sealing, and the contact conductor is drawn from epoxy resin sealing place.The present invention realizes high efficiency filter, anti-pollution, self-cleaning function, and preparation process is simple, is suitable for down-stream or waste water treatment engineering.
Description
Technical field
The present invention relates to a kind of sewage and technical field of waste water processing, and in particular to membrane bioreactor separating and filtering film system
Technology is made, in particular to a kind of six rib tubular membrane of external pressure.
Background technique
Membrane bioreactor is applied to sewage and the processing engineering of waste water, environment-friendly engineering, played an important role；
Along with the implementation of the practical application of membrane bioreactor engineering, especially down-stream and waste water treatment engineering, also expose
Many problems and shortcomings；These defects concentrate reaction in three technical aspects: the manufacturing technology of organic-biological film；Organic-biological
The application technology of film；Organic-biological film functional technical.
Existing organic-biological film manufacturing technology concentrates in film preparation material and modified material, and organic filter membrane material is more
Number selects organic high molecular polymer, mainly has the fluoropolymer that Kynoar is representative, modified fibre class, polysulfones, gathers
Alkene, acrylic copolymer, polyamide, polycarbonate etc.；The microfiltration membranes as prepared by these organic polymers, ultrafiltration
Organic filter membrane such as film, nanofiltration membrane, reverse osmosis membrane, existing defects in application or function, such as hydrophily etc., thus people start
Organic polymer film materials are modified, first is that being polymerize by means such as grafting, copolymerization, blendings to film before film
Object is modified, second is that after the film was formed, it is living by plasma, high-energy irradiation, surface chemical reaction, surface coating, surface
The technologies such as property agent, are modified film surface；In this technical field, overwhelming majority research all concentrates on improving organic filter membrane
Separating capacity and separative efficiency in terms of, the disadvantage is that: there are no the technologies for obviously increasing microbial biochemical reaction mechanism.
Existing organic-biological film application technology, main organic filter membrane just have with form: plate membrane, braiding periosteum, branch
Stay tube film, hollow-fibre membrane, internal pressure tubular membrane etc.；The shortcomings that plate membrane is that sheet frame membrane area is bigger, unbearable backwash
Hydraulic pressure, the planar fashion of film keep film filter efficiency very low；The shortcomings that weaving periosteum is that organic filter membrane is easy to fall off, winds, accumulates；
The shortcomings that supporting periosteum is that backing material needs are previously fabricated, and backing material itself have to guarantee have enough porositys to meet
The film energy of organic filter membrane can't generate barrier action to organic filter membrane, be difficult to realize；Hollow-fibre membrane is hollow
Small diameter fiber fiber tube, frangibility, easily winding, difficult cleaning, small film energy are its disadvantages；The shortcomings that internal pressure tubular membrane is preparation process
Complexity, practical application production efficiency is low, energy consumption is relatively high；In the shortcomings that all kinds of organic filter membranes, is analyzed, the pollution of organic filter membrane
It is common defect and the still unsolved application of organic filter membrane that problem and the space multistory efficiency of organic filter membrane, which play problem,
Technical problem.
In terms of existing organic filter membrane functional technical, the fewer of the opposite researchs such as nano material, light excitation is utilized.It is main
The inorganic nano material for being used for organic filter membrane has: zero dimension degree material silica titanium, silica, zirconium dioxide, three oxidations two
Aluminium, ferroso-ferric oxide, fluorite；Dimension material carbon nanotube, titanium nanotube, titanium nano wire；The montmorillonite of two-dimensions material, tired support
Soil, graphite etc.；Nano material composite membrane of polymer is mainly characterized by: (1) nano material can be effectively improved the disconnected of polymer film
Face gap structure effectively improves composite membrane water permeation performance and separative efficiency；(2) nano material can be effectively improved polymer film
Surface potential, physicochemical characteristic, microscopic appearance reduce the interface behavior of pollutant and film surface in water body, mitigate fouling membrane；(3)
Nano material can be effectively improved the mechanical behavior of polymer film, enhance the anti-compression property of composite membrane, to extend engineer application
In the cycle of operation；The disadvantage is that: since nano material is easy to reunite, make the nano-material-doped polymer film of existing method preparation
Middle nano material dispersion is uneven, causes organic hybrid films easy to fall off, influences the service performance of film.
There are many relevant technologies patent in the prior art in terms of above three, will not repeat them here.The degree of association is larger
Patent CN102600730A, preparation method for external pressure tubular membrane disclose using strip plate membrane winding bonding way prepares external pressure
The method of tubular membrane；Patent CN102600731A, synchronous preparation method for external pressure tubular membrane are disclosed using strip plate membrane and nothing
The method that woven fabric prepares external pressure tubular membrane；Although preparation method is very simple, the disadvantage is that: still do not account for the sky of organic filter membrane
Between three-dimensional efficiency, the microcosmic biochemical reaction problem of organic filter membrane itself and anti-pollution, the self-cleaning function of organic filter membrane.
Summary of the invention
In order to solve the above technical problems, the present invention provides a kind of six rib tubular membranes of external pressure.Wish in prior art advantage
On the basis of, from the space multistory filter efficiency, enhancement microbiological microreaction mechanism, the organic filter membrane of prevention for improving organic filter membrane
It pollutes and realizes that the self-cleaning function aspect of organic filter membrane is started with, the opposite preparation process and processing cost for considering organic filter membrane,
It is a kind of for down-stream or the novel external pressure tubular membrane of waste water treatment engineering to design, and realize relevant technology of preparing with
Method.
In order to achieve the above objectives, technical scheme is as follows: a kind of six rib tubular membrane of external pressure, by six rib bushing pipes,
Composite filter membrane, press strip, core pipe and end cap composition；Composite filter membrane is by contact conductor, outer layer carbon net, organic filter membrane, internal layer carbon net group
At；The six rib bushing pipes are made of two forks piece that six blocks of rib plates are connected with every piece of rib plate outer end, the rib plate and institute
Circular hole is provided in the forks piece stated；The core pipe is a round socket, is uniform-distribution in the core pipe described
Rib plate is provided with water conservancy diversion circular hole on the outside of the core pipe between adjacent ribs plate；The composite filter membrane is fixed on often by the press strip
Between two adjacent rib plates, the composite filter membrane is presented the formula of rising and falling and is distributed on six rib bushing pipe outer surfaces；It is described
Six rib bushing pipe both ends by end cap and epoxy resin sealing fix, the contact conductor from epoxy resin sealing place draw, use
Welding method is connected on conducting wire.
The six rib bushing pipes are manufactured using aluminium alloy or engineering plastics, and the six rib bushing pipes are by six blocks of rib plates and often
Two forks piece that block rib plate outer end is connected form, and are provided with circular hole in the rib plate and the forks piece, for production
Water outlet water conservancy diversion is used；The six ribs lining pipe selects aluminium alloy deformed bar or plastic material is made by engineering plastics extrusion, intercepts
After regular length, the six rib bushing pipes are can be obtained in punching on profile；
The core pipe is a round socket, the rib plate is uniform-distribution in the core pipe, on the outside of core pipe
Between adjacent ribs plate, it is provided with water conservancy diversion circular hole；
Organic filter membrane selects the pipe of Kynoar (PVDF) and the preparation of doping titanium dioxide nano modified material
The organically-modified biomembrane of formula；The internal layer carbon net and the outer layer carbon net use activated carbon fiber net cylinder；
It is online from the internal layer carbon net and the outer layer carbon in described composite filter membrane one end, difference extraction electrode
Lead, when practical application, each six ribs periosteum electrode is drawn through the connection of titanium silk conducting wire, and is connected to the public affairs of membrane bioreactor
On common cathode, microbiological fuel cell group is thus constituted, the internal layer carbon net and the outer layer carbon net are as fuel
Galvanic anode can be used other metals that air cathode also can be used as the cathode of fuel cell；Due to the fuel electricity
Anode two layers of carbon net standoff distance in pond is close, and centre is organic filter membrane, and the pollution of organic filter membrane just occurs in organic filter membrane
Surface and surface layer, such microbiological fuel cell just bring the decomposition of organic pollutant into play, this namely this hair
It is bright to prevent organic filter membrane from polluting, the reason of realizing self-cleaning function.
The composite filter membrane is fixed between every two adjacent rib plate by the press strip, and composite filter membrane presentation is risen and fallen
Formula is distributed on six rib bushing pipe outer surfaces, and therefore, composite filter membrane spatially just becomes three-dimensional arrangement, is given full play of
The filter efficiency of composite filter membrane；
Between the composite filter membrane and the six rib bushing pipes, only connection a little, most of composite filter membrane and six ribs
Bushing pipe does not contact, and ensures that the effective filtration area of composite filter membrane in this way, also increases the film energy of composite filter membrane, thus
Plate membrane or common tubular membrane backing material are avoided to the barrier action of organic filter membrane.
The internal layer carbon net and the outer layer carbon net, form a film jointly with organic filter membrane, and carbon net is from there is machine filter
The internal layer and outer layer of film strengthen organic filter film strength and bear the ability of external and internal pressure, so composite filter membrane is suitable for large size
Sewage work uses, and the deflector hole on the six rib bushing pipes readily can smoothly export the output water of composite filter membrane, six ribs
The preparation size and diameter of periosteum can achieve 1000mm rank；Because solving the space multistory distribution problem of composite filter membrane,
The Large Diameter Pipeline and large scale of tubular membrane do not interfere with effective filter efficiency of organic filter membrane.
The six rib bushing pipe both ends are fixed by the end cap and epoxy resin sealing, and the end cap shape is also six
Angular, there are the circular holes for passing through the core pipe at center；The contact conductor is drawn from epoxy resin sealing place, with welding side
Method is connected on conducting wire.
Macromolecule organic polymer, such as Kynoar (PVDF) film-forming polymer substance all have chemical stability, resistance to
The good characteristics such as radiativity, resistance tocrocking, heat resistance and easy film forming；But since organic polymer surface can be low, preparation has
Machine filter film hydrophily is poor, influences water yield；So generally requiring to be modified it, usually using nano material, such as: nanometer three
Al 2 O or nano-titanium dioxide are doped modification.
Through the above technical solutions, the beneficial effect of technical solution of the present invention is: six rib periosteums spatially three dimensional designs
Composite filter membrane has been used, the filter efficiency of organic filter membrane has been played, inside and outside carbon web frame makes the impact strength of organic filter membrane
Increase, so the present invention is readily cleaned and backwashes；After inside and outside carbon net electrode is drawn, Microbial fuel electricity is formed with air cathode
Pool structure will greatly increase processing capacity and treatment effect to organic pollutant, meanwhile, inside and outside two layers of carbon net close proximity,
The fuel cell unit decomposing organic pollutant on surface, that is, that plays composite membrane prevents pollution and automatic cleaning action function.Composite filter
Inside the internal layer carbon net and outer layer carbon net surface of film and organic filter membrane, since there are the electrochemical process of fuel cell, it will be formed
Microcosmic microbial environment is conducive to the breeding of microorganism, and further plays catharsis to water quality；Since space multistory designs
Composite filter membrane structure greatly increases the surface area of organic filter membrane, preresearch estimates, with the comparable pipe of normal six ribs bushing pipe circumscribed circle
Formula filter membrane compares, and the surface area of composite filter membrane increases nearly three times.The implementation of technical solution through the invention, from membrane bioreactor
Field, six rib tubular membrane of external pressure have started the new application form of organic filter membrane, and the Application of composite of inside and outside carbon net has been started fuel
The new opplication of Battery disposal Technology of Sewage, while retaining and the advantages of taken into account existing membrane preparation technology, using Kynoar
Organic tubular membrane is prepared with titania additive technology, whole invention has reached desired target.
Other alternate embodiments: 1) other number prismatics can be used in six rib tubular membrane of external pressure of the present invention
Bushing pipe equally can achieve and realize effect of the invention；2) organic filter membrane of the present invention can also be according to practical use
Different, processing sewage species are different, and select different polymer or different doped nano-materials, or the film skill that selection is different
Art manufactures organic-biological filter membrane, and technical solution of the present invention similarly may be implemented.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, it is only this hair that middle attached drawing, which is described below,
Bright some embodiments for those of ordinary skill in the art without creative efforts, can be with root
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is a kind of six rib tubular type membrane structure diagram of external pressure disclosed in the embodiment of the present invention；
Fig. 2 is a kind of six rib tubular membrane composite filter membrane structural schematic diagram of external pressure disclosed in the embodiment of the present invention；
Fig. 3 is the partial enlarged view and figure at 3-1 in a kind of six rib tubular membrane Fig. 1 of external pressure disclosed in the embodiment of the present invention
Partial enlarged view in 2 at 10-1.
Number and corresponding component title represented by letter in figure:
1. six rib periosteums, 2. 6 rib bushing pipe, 3. composite filter membrane, 4. press strip
5. the organic filter membrane of 6. contact conductor of core pipe, 7. outer layer carbon net 8.
9. 10. prefabricated membrane cylinder of internal layer carbon net.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
According to Fig. 1, Fig. 2 and Fig. 3, the present invention provides a kind of six rib tubular membranes of external pressure, by six rib bushing pipes 2, composite filter
Film 3, press strip 4, core pipe 5 and end cap composition；The composite filter membrane 3 is by the internal layer carbon net 9, organic filter membrane 8, outer layer carbon net
7 and contact conductor 6 form.
The six rib bushing pipes 2 are manufactured using aluminium alloy or engineering plastics, the six rib bushing pipes 2 by six blocks of rib plates with
Two forks piece that every piece of rib plate outer end is connected composition is provided with circular hole in the rib plate and the forks piece, for pair
Output water water conservancy diversion is used；The six ribs bushing pipe 1 can be selected aluminium alloy deformed bar or plastic material be made by engineering plastics extrusion, cut
After taking regular length, the six rib bushing pipes 2 are can be obtained in punching on profile；
The core pipe 5 is a round socket, the rib plate is uniform-distribution in the core pipe 5, outside core pipe 5
Between the adjacent ribs plate of side, it is provided with water conservancy diversion circular hole；
Organic filter membrane 8 selects the pipe of Kynoar (PVDF) and the preparation of doping titanium dioxide nano modified material
The organically-modified biomembrane of formula；The internal layer carbon net 9 and the outer layer carbon net 7 use activated carbon fiber net cylinder；
Internal layer carbon net 9, organic filter membrane 8 and the outer layer carbon that the composite filter membrane 3 is matched by size
Net 7 is combined；The prefabricated membrane cylinder 10 for selecting suitable dimension, is made of in the prefabricated membrane cylinder 10 inner sleeve and outer sleeve,
Internal layer carbon net 9 is assembled on the outside of the inner sleeve, outer layer carbon net 7 is assembled on the inside of the outer layer sleeve, described pre-
It is formed membrane cavity in film cylinder 10, film liquid of casting in the membrane cavity of the prefabricated membrane cylinder, after film each process film forming,
Remove the inner sleeve and outer sleeve of prefabricated membrane cylinder 10, shaping and after assembling end cap, encapsulation process, picking out contact conductor 6 to get six
Rib bushing pipe film 1；The prefabricated membrane cylinder 10 is that soft material book plate multilayer crimps, 10 inner sleeve of prefabricated membrane cylinder being rolled into
The internal layer carbon net 9 and outer layer carbon net 7 are fixed by limitation on outer sleeve, the 10 inward flange glue sticking of prefabricated membrane cylinder,
After the film forming of composite filter membrane 3, by dismantling glue sticking edge on the inside of prefabricated membrane cylinder 10, the inner sleeve of scrolling prefabricated membrane cylinder inwardly,
The inner sleeve cylinder of prefabricated membrane cylinder can be extracted out from inside, the prefabricated membrane cylinder outer sleeve can be dismantled from outside.
It is drawn respectively from the internal layer carbon net 9 and the outer layer carbon net 7 in described 3 one end of composite filter membrane
Contact conductor 6, when practical application, each six ribs periosteum, 1 contact conductor 6 is connected by titanium silk conducting wire, and is connected to membrane bioreaction
It answers on the common cathode of device, thus constitutes microbiological fuel cell group, the internal layer carbon net 9 and the outer layer carbon net
7 are used as anode of fuel cell, can be used other metals that air cathode also can be used as the cathode of fuel cell；By institute
Two layers of carbon net standoff distance of the anode of fuel cell stated is close, and centre is organic filter membrane 8, and the pollution of organic filter membrane 8 just occurs
On the surface and surface layer of organic filter membrane 8, such microbiological fuel cell just brings the decomposition of organic pollutant into play,
The reason of namely present invention can prevent organic filter membrane 8 from polluting for this, realize self-cleaning function.
The composite filter membrane 3 is fixed between every two adjacent rib plate by the press strip 4, and composite filter membrane 3 is presented
The formula of rising and falling is distributed on six rib bushing pipes, 2 outer surface, and therefore, composite filter membrane 3 spatially just becomes three-dimensional arrangement, is sufficiently sent out
The filter efficiency of composite filter membrane 3 is shot；
Between the composite filter membrane 3 and the six rib bushing pipes 2, the only connection of dotted line, most of composite filter membrane 3 with
Six rib bushing pipes 2 do not contact, and ensure that the effective filtration area of composite filter membrane 3 in this way, also increase the film energy of composite filter membrane 3
Add, so as to avoid plate membrane or common tubular membrane backing material to the barrier action of organic filter membrane 3.
The internal layer carbon net 9, the outer layer carbon net 7 and organic filter membrane 8 form a film jointly, and carbon net is from there is machine filter
The internal layer and outer layer of film 8 strengthen the intensity of organic filter membrane 8 and bear the ability of external and internal pressure, so composite filter membrane 3 is suitable for
Down-stream engineering uses, and the deflector hole on the six rib bushing pipes 2 readily can smoothly lead the output water of composite filter membrane 3
Out, the preparation size of six rib periosteums 1 and diameter can achieve 1000mm rank；Because solving the space multistory of composite filter membrane 3
Distribution problem, the Large Diameter Pipeline and large scale of tubular membrane do not interfere with effective filter efficiency of organic filter membrane 3.
Six rib bushing pipes, 1 both ends are fixed by the end cap and epoxy resin sealing, and the end cap shape is also
Hexagon, there are the circular holes for passing through the core pipe 5 at center；The contact conductor 6 is drawn from epoxy resin sealing place, is used
Welding method is connected on conducting wire.
Macromolecule organic polymer, such as Kynoar (PVDF) film-forming polymer substance all have chemical stability, resistance to
The good characteristics such as radiativity, resistance tocrocking, heat resistance and easy film forming；But since organic polymer surface can be low, preparation has
Machine filter film hydrophily is poor, influences water yield；So generally requiring to be modified it, usually using nano material, such as: nanometer three
Al 2 O or nano-titanium dioxide are doped modification.
Spatially three dimensional designs have used composite filter membrane 3 to six rib periosteums 1, have played the filtering effect of organic filter membrane 8
Rate, inside and outside carbon web frame increases the impact strength of organic filter membrane 8, so the present invention is readily cleaned and backwashes；Inside and outside carbon
After net electrode is drawn, microbiological fuel cell structure is formed with air cathode, the processing energy to organic pollutant will be greatly increased
Power and treatment effect, meanwhile, inside and outside two layers of carbon net close proximity, the fuel cell unit decomposing organic pollutant on surface plays
Composite filter membrane 3 prevents pollution and automatic cleaning action function.The internal layer carbon net 9 of composite filter membrane 3 and 7 surface of outer layer carbon net and have
Inside machine filter film, since there are the electrochemical process of fuel cell, microcosmic microbial environment will be formed, the numerous of microorganism is conducive to
It grows, and catharsis further is played to water quality；Since space multistory designs 3 structure of composite filter membrane, make the surface of organic filter membrane 8
Product greatly increases, preresearch estimates, compared with normal six ribs bushing pipe, the 2 comparable tube type membrane of circumscribed circle, the surface area of composite filter membrane 3
Increase nearly three times.The implementation of technical solution through the invention, from field of membrane bioreactor, six rib tubular membrane of external pressure has been started
The new application form of machine filter film 8, the Application of composite of inside and outside carbon net have been started the new opplication of fuel cell processing Technology of Sewage,
The advantages of retaining and having taken into account existing membrane preparation technology simultaneously, is prepared using Kynoar with titania additive technology organic
Tubular membrane, whole invention have reached desired target.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (3)
1. a kind of six rib tubular membrane of external pressure, which is characterized in that it is by six rib bushing pipes, composite filter membrane, press strip, core pipe and end cap group
At；Composite filter membrane is made of contact conductor, outer layer carbon net, organic filter membrane, internal layer carbon net；The six rib bushing pipes are by six blocks of rib plates
Two forks piece being connected with every piece of rib plate outer end form, and are provided with circular hole in the rib plate and the forks piece；It is described
Core pipe be a round socket, the rib plate is uniform-distribution in the core pipe, on the outside of the core pipe between adjacent ribs plate,
It is provided with water conservancy diversion circular hole；The composite filter membrane is fixed between the every two adjacent rib plate by the press strip, institute
The composite filter membrane stated is presented the formula of rising and falling and is distributed on six rib bushing pipe outer surfaces；The six rib bushing pipe both ends are by end cap and asphalt mixtures modified by epoxy resin
Rouge sealing is fixed, and the contact conductor is drawn from epoxy resin sealing place, is connected on conducting wire with welding method.
2. six rib tubular membrane of a kind of external pressure according to claim 1, which is characterized in that described composite filter membrane one end, from
The internal layer carbon net and the outer layer carbon are online, respectively extraction electrode lead, and the contact conductor passes through titanium silk conducting wire
Connection, and be connected on the common cathode of membrane bioreactor, constitute microbiological fuel cell group.
3. six rib tubular membrane of a kind of external pressure according to claim 1, which is characterized in that the film forming of organic filter membrane has
Machine polymer be fluoropolymer, polysulfones, polyolefin, acrylic copolymer, polyamide, polycarbonate it is one such or two kinds with
Upper mixture.
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| CN105731585A (en) * | 2016-04-05 | 2016-07-06 | 李高强 | Manufacturing device for micromolecular water |
| CN111821764B (en) * | 2019-04-19 | 2022-08-16 | 吉林碳谷碳纤维股份有限公司 | Method and device for cleaning disc of precision filter |
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| CN101454068A (en) * | 2006-07-10 | 2009-06-10 | 旭化成化学株式会社 | Process for produciton of hollow-fiber membrane bundles |
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