CN205760667U - A kind of membrane bioreactor and rolled membrane module thereof - Google Patents
A kind of membrane bioreactor and rolled membrane module thereof Download PDFInfo
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- CN205760667U CN205760667U CN201620475839.5U CN201620475839U CN205760667U CN 205760667 U CN205760667 U CN 205760667U CN 201620475839 U CN201620475839 U CN 201620475839U CN 205760667 U CN205760667 U CN 205760667U
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- membrane module
- film
- interval body
- rolled
- central canal
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- 239000012528 membrane Substances 0.000 title claims abstract description 118
- 238000000926 separation method Methods 0.000 claims abstract description 30
- 238000005273 aeration Methods 0.000 claims abstract description 17
- 239000000835 fiber Substances 0.000 claims description 35
- 229920002521 macromolecule Polymers 0.000 claims description 17
- 238000005266 casting Methods 0.000 claims description 16
- 239000004745 nonwoven fabric Substances 0.000 claims description 16
- 229920003023 plastic Polymers 0.000 claims description 11
- 239000004033 plastic Substances 0.000 claims description 11
- 239000002985 plastic film Substances 0.000 claims description 4
- 125000006850 spacer group Chemical group 0.000 claims 1
- 239000007788 liquid Substances 0.000 abstract description 30
- 238000005276 aerator Methods 0.000 abstract description 8
- 239000010802 sludge Substances 0.000 abstract description 8
- 238000002203 pretreatment Methods 0.000 abstract description 5
- 239000000356 contaminant Substances 0.000 abstract description 3
- 230000010287 polarization Effects 0.000 abstract description 3
- 210000000476 body water Anatomy 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 22
- 239000000243 solution Substances 0.000 description 15
- 238000000034 method Methods 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 6
- 239000004800 polyvinyl chloride Substances 0.000 description 6
- 229920000915 polyvinyl chloride Polymers 0.000 description 6
- 239000011550 stock solution Substances 0.000 description 6
- 239000004698 Polyethylene Substances 0.000 description 5
- 239000004743 Polypropylene Substances 0.000 description 5
- 238000004140 cleaning Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 239000003344 environmental pollutant Substances 0.000 description 5
- 239000012466 permeate Substances 0.000 description 5
- 231100000719 pollutant Toxicity 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 4
- 238000009795 derivation Methods 0.000 description 4
- 239000003292 glue Substances 0.000 description 4
- 239000012510 hollow fiber Substances 0.000 description 4
- -1 polyethylene Polymers 0.000 description 4
- 239000002033 PVDF binder Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000011001 backwashing Methods 0.000 description 3
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 239000004793 Polystyrene Substances 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 239000011152 fibreglass Substances 0.000 description 2
- 238000007654 immersion Methods 0.000 description 2
- 239000012982 microporous membrane Substances 0.000 description 2
- 239000013618 particulate matter Substances 0.000 description 2
- 229920002239 polyacrylonitrile Polymers 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
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- 230000015572 biosynthetic process Effects 0.000 description 1
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- 239000000919 ceramic Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
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- 229920001577 copolymer Polymers 0.000 description 1
- 229910052593 corundum Inorganic materials 0.000 description 1
- 239000010431 corundum Substances 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000005474 detonation Methods 0.000 description 1
- 230000003670 easy-to-clean Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
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- 238000012423 maintenance Methods 0.000 description 1
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- 239000007769 metal material Substances 0.000 description 1
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Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The utility model discloses a kind of rolled membrane module, including the membrane component in the putamina of tubular and putamina, membrane component includes separating film, runner interval body and central canal, runner interval body is laminated structure and shape of cross section is waveform, the wavy surfaces of runner interval body forms multiple groove, groove is extended to the other end by one end of described central canal, and putamina two ends are provided with end socket, and the end socket connection being positioned at central canal blind end has aeration plate.During use, rolled membrane module is vertically placed, the air that aerator blasts forms uniform bubble after aeration plate, bubble and feed liquid are mixed between runner interval body and separation membrane surface the passage of the multiple up/down perforations formed, bubble is risen by buoyancy cleans film surface contaminant, it is to avoid the concentration polarization of film surface.This runner interval body water environment capacity is strong, requires low to feed liquid pre-treatment, can allow higher activated sludge concentration, and therefore, this rolled membrane module is applicable to MBR.The invention also discloses a kind of membrane bioreactor.
Description
Technical field
This utility model relates to technical field of water treatment equipment, particularly relate to a kind of membrane bioreactor and
Rolled membrane module.
Background technology
Membrane bioreactor (Membrane Bio-Reactor, MBR) technology, is a kind of new and effective dirt
Water treatment technology, it replaces the second pond in traditional activated sludge process with membrane module, substantially increases system
The ability of solid-liquid separation.MBR technology is at the novel waste water of membrane separation technique and biotechnology combination
Reason technology.It utilizes membrane separation assemblies the activated sludge in biochemical reaction tank and larger molecular organics to be retained
Live, save second pond.Therefore, activated sludge concentration can be greatly improved, hydraulic detention time (HRT)
Can control respectively with sludge retention time (SRT), and the material of difficult degradation is the most anti-in the reactor
Should and degrade.Therefore, membrane biological reactor process enhances biological respinse significantly by the isolation technics of film
The function of device.
Membrane module form conventional for industrial MBR has five kinds: plate and frame, spiral wound, circular pipe type,
Hollow fiber form and capillary type.First two uses Flat Membrane, and latter three uses tubular membrane.Circular pipe type film
Diameter is more than 10mm；Capillary type film diameter 0.5～10.0mm；Hollow fiber form film diameter is less than
0.5mm.Big-and-middle-sized reused water processing MBR engineering in general uses immersion plate and frame assembly or immersion
Hollow fiber film assembly.Plate and frame shortcoming is: take up an area greatly, loading density is low, cost is high, energy consumption is high.
Hollow fiber film assembly shortcoming is: activated sludge concentration is low, pre-treatment requires fracture of wire high, easy, chemistry is steady
Qualitative difference.Rolled film is high due to its loading density, and therefore, filter efficiency is better than sheet frame film, mechanical strength
Greatly, performance is better than hollow type.But, the structure of the rolled membrane module currently used is difficult to directly convert
Use for MBR.
Existing rolled membrane module is made up of membrane component, housing, interconnecting piece, end plate etc..Wherein, film
Component structure is as it is shown in figure 1, by separating film 02, film support 03, runner interval body 01, with holes
Central canal 04 grade is constituted.Separation film 02 back side of adjacent two rectangles is stacked together, and two separation
Stacking film support 03 between film 02, three limits after three stacks seal bonding film forming bag by glue,
Another two ends, limit are then adhesively fixed with central canal 04；Can be propped up by film through the liquid separating film 02
Support body 03 flows in central canal 04, is separated by by runner interval body 01 between film bag and film bag, multiple film bags
Stack, and between adjacent membranes bag, place runner interval body 01, then it is wound around the axis of central canal 04
Form the membrane component of rolled structure.Wherein, central canal 04 is for collecting through separating film 02 filtration
The rustless steel with many rounds of liquid or plastic tube；Runner interval body 01 is to guide supply side feed liquid to separate
Film 02 surface there is certain thickness object；Film support 03 is for supporting separation film 02 general simultaneously
Through the object separating film 02 direct fluid central canal 04.
The operation principle of wound membrane element: enter runner interval body 01, figure from membrane component one side to feed liquid
In 1 right side arrow represent feed liquid stream to, along be parallel to central canal 04 axis direction flow, quilt
The concentrated solution that separation film 02 retains flows out from the membrane component other end, and in Fig. 1, the arrow below left side represents dense
The flow direction of contracting liquid, enters film bag through the permeate separating film 02, enters central canal through film support 03
04, finally flow out from central canal 04, in Fig. 1, the arrow above left side represents the flow direction of permeate.
Existing runner interval body 01 runner typically uses the intersection grid runner of rhombus or rectangle, such as Fig. 2
Shown in, it is used in the angle that the shortcoming of MBR is grid and easily shelters evil people and countenance evil practices, beneficially bacterial growth；
Air pocket is broken to minute bubbles by after grid, it is impossible to realize the effective effect cleaning diaphragm.
Existing putamina material mostly is rustless steel or fiberglass, and rustless steel cost is high, and weight is big, equipment
Investment height.Fiberglass is when installing putamina and being connected with equipment, and putamina connector is connected bias with pipeline to be caused
Rupture.Putamina is exactly the pressure vessel loading membrane component, has intake-outlet and produces the mouth of a river.
The separation film of existing rolled membrane module is the structure that macromolecular material is laid on non-woven fabrics, point
Malleation (liquid is applied pressure by macromolecule lateral non-woven fabrics side) can only be born from film, the most only allow runner
Interval body lateral pressure is more than film support lateral pressure, and can not bear back pressure, and back pressure refers to film support
Lateral pressure is more than runner interval body lateral pressure, and back pressure effect easily makes separation film generation bulge, ruptures.
Visible, existing wound membrane element uses latticed runner interval body, separates film and cannot bear the back of the body
Pressure, it is impossible to clean the macromolecule pollutant of separation membrane surface the most in time.Therefore, existing rolled film
Assembly is generally used for feed liquid and separates, and does not use in MBR system.
Therefore, how a kind of MBR of being applicable to is provided and is easy to clean the rolled film group of film surface contaminant
Part, is that those skilled in the art are presently required and solve the technical problem that.
Utility model content
In view of this, first purpose of the present utility model is to provide a kind of rolled membrane module, this rolled film
Assembly can be so that cleaning film surface contaminant.Second purpose of the present utility model is to provide one and includes
The membrane bioreactor of above-mentioned rolled membrane module.
In order to achieve the above object, this utility model provides following technical scheme:
A kind of rolled membrane module, including membrane component and for accommodating the putamina of the tubular of described membrane component,
Described membrane component includes separating film, runner interval body and central canal, and described runner interval body is laminated structure
And shape of cross section is waveform, the wavy surfaces of described runner interval body forms multiple groove, described
Groove is extended to the other end by one end of described central canal, and described putamina two ends are respectively connected with for fixing
Stating the end socket of membrane component, the described end socket of the blind end being positioned at described central canal connects aeration plate.
Preferably, in above-mentioned rolled membrane module, the bearing of trend of described groove and the axle of described central canal
Line is arranged in parallel.
Preferably, in above-mentioned rolled membrane module, the cross-sectional height of described runner interval body is 2～5mm.
Preferably, in above-mentioned rolled membrane module, described runner interval body is waveform plastic sheet.
Preferably, in above-mentioned rolled membrane module, described separation film includes non-woven fabrics and penetrates into described nothing
Spinning the macromolecule casting solution in cloth, described non-woven fabrics includes two-layer layers and is filled in described in two-layer
Superfine fibre layer between layers, wherein one layer of described layers is impregnated with described macromolecule casting film
Liquid, and described macromolecule casting solution also penetrates in described superfine fibre layer, described superfine fibre layer
Interior average fibre diameter is 1～5 μm, and the average fibre diameter in described layers is 10～20 μm.
Preferably, in above-mentioned rolled membrane module, the average fibre diameter in described superfine fibre layer is 2～3
μm, the average fibre diameter in described layers is 15 μm.
Preferably, in above-mentioned rolled membrane module, described end socket is provided with for being connected to described membrane component end
The support rod in portion.
Preferably, in above-mentioned rolled membrane module, described putamina and described end socket are working of plastics.
The rolled membrane module that this utility model provides, including membrane component and for accommodating the putamina of membrane component,
Membrane component includes separating film, runner interval body and central canal, and runner interval body is laminated structure and cross section
Being shaped as waveform, the wavy surfaces of runner interval body forms multiple groove, and groove is by the one of central canal
End extends to the other end, and putamina two ends are respectively connected with the end socket for fixing membrane component, are positioned at central canal
The end socket of blind end connects aeration plate.During use, vertically being placed by rolled membrane module, feed liquid is by feed liquor
Mouth flows in membrane module, and the air that aerator blasts forms uniform bubble, bubble and feed liquid after aeration plate
It is mixed between runner interval body and separation membrane surface the passage of the multiple up/down perforations formed, in feed liquid
Bubble risen by buoyancy, clean separation membrane surface pollutant, it is to avoid separation membrane surface concentration polarization.
This runner interval body water environment capacity is strong, and bubble and large particulate matter are easy in passage flowing, to feed liquid
Pre-treatment requires low, can allow higher activated sludge concentration, therefore, the rolled film that this programme provides
Assembly is applicable to MBR.
This utility model additionally provides a kind of membrane bioreactor, including the rolled film described in as above any one
Assembly.The derivation of the beneficial effect that this membrane bioreactor produces and above-mentioned rolled membrane module bring
The derivation of beneficial effect is similar, therefore repeats no more herein.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will
The accompanying drawing used required in embodiment or description of the prior art is briefly described, it should be apparent that,
Accompanying drawing in describing below is only embodiments more of the present utility model, for ordinary skill people
From the point of view of Yuan, on the premise of not paying creative work, it is also possible to obtain the attached of other according to these accompanying drawings
Figure.
Fig. 1 is existing membrane component structural representation；
Fig. 2 is the structural representation of the runner interval body in existing membrane component；
Fig. 3 is the rolled membrane module external structure schematic diagram in this utility model specific embodiment；
Fig. 4 is the rolled membrane module longitudinal sectional view in this utility model specific embodiment；
Fig. 5 is the rolled membrane module detonation configuration schematic diagram in this utility model specific embodiment；
Fig. 6 is the runner separator element schematic diagram in this utility model specific embodiment；
Fig. 7 is the runner interval body cross-sectional structure schematic diagram in this utility model specific embodiment；
Fig. 8 is the separation film cross section structure for amplifying schematic diagram in this utility model specific embodiment；
Fig. 9 is the end enclosure structure schematic diagram in this utility model specific embodiment；
Figure 10 is the end enclosure structure top view in this utility model specific embodiment；
Figure 11 is that the B-B in Figure 10 is to sectional view；
Figure 12 is the rolled membrane module fundamental diagram in this utility model specific embodiment.
In Fig. 1 and Fig. 2:
01-runner interval body, 02-separate film, 03-film support, 04-central canal；
In Fig. 3 to Figure 12:
1-membrane component, 2-putamina, 3-end socket, 4-aeration plate, 5-bottom end cover, 6-upper end cover, 7-adapter,
8-clamp nut, 9-air inlet, 11-central canal, 12-separate film, 13-runner interval body, 121-crude fibre
Layer, 122-superfine fibre layer, 123-macromolecule casting solution, 124-crude fibre, 125-superfine fibre, 131-
Groove, 31-intake-outlet, 32-support rod, 33-putamina interface, 34-seal screw thread, 101-stock solution,
102-concentrated solution, 103-suction pump, 104-through film liquid, 105-through film liquid tank, 106-backwashing pump,
107-aerator, 108-mud.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, to the technology in this utility model embodiment
Scheme is clearly and completely described, it is clear that described embodiment is only this utility model one
Divide embodiment rather than whole embodiments.Based on the embodiment in this utility model, this area is common
The every other embodiment that technical staff is obtained under not making creative work premise, broadly falls into this
The scope of utility model protection.
Refer to Fig. 3 to Figure 11, in a kind of specific embodiment scheme, this utility model provides following
Technical scheme.
A kind of rolled membrane module, including membrane component 1 and for accommodating the putamina 2 of the tubular of membrane component 1,
Membrane component 1 includes separating film 12, runner interval body 13 and central canal 11, and runner interval body 13 is lamellar
Structure and shape of cross section are waveform, and the wavy surfaces of runner interval body 13 forms multiple groove 131,
Groove 131 is extended to the other end by one end of central canal 11, and putamina 2 two ends are respectively connected with for fixing film
The end socket 3 of element 1, the end socket 3 of the blind end being positioned at central canal 11 connects aeration plate 4.
During use, vertically being placed by rolled membrane module, feed liquid is flowed in membrane module by inlet, aerator
The air blasted forms uniform bubble after aeration plate 4, and bubble and feed liquid are mixed into runner interval body 13
With the passage separating the multiple up/down perforations then formed between film 12 surface, the bubble in feed liquid is by buoyancy
Rise, clean the pollutant separating film 12 surface, it is to avoid separate film 12 surface concentration polarization, i.e. avoid point
Pollution layer from film 12 surface is more and more thicker.This runner interval body 13 water environment capacity is strong, bubble and big
Grain material is easy in passage flowing, requires low to feed liquid pre-treatment, and higher activity can be allowed dirty
Mud concentration, therefore, the rolled membrane module that this programme provides is applicable to MBR.
As it is shown in figure 5, the rolled membrane module that this programme provides specifically includes: membrane component 1, putamina 2, envelope
3, aeration plate 4, bottom end cover 5, upper end cover 6, adapter 7 and clamp nut 8.Wherein, membrane element
Part 1 includes separating film 12, film support, runner interval body 13 and central canal 11 with holes.This programme
Similarly to the prior art, two separate film 12 back side and are stacked together the overall package mode of middle membrane component 1
And stacking film support formation film bag between the two, three limits of film bag are gluedd joint, another side and central canal 11
Bonding, multiple film bags stack, and place runner interval body 13 between adjacent membranes bag, then by it along central canal
The axis winding of 11 forms the membrane component 1 of rolled structure.
As shown in Figure 6 and Figure 7, runner interval body 13 structure in this programme is different from traditional crossing net
Lattice structure, but cross section is corrugated laminated structure.The preferred plastics of runner interval body 13 of this programme
Material makes, and is waveform plastic sheet, and certainly, those skilled in the art can also select other to be combined
Material or metal material make.Concrete, runner interval body 13 is made waveform by setting process
Plastic tab, it is (poly-right that its plastic material may select PE (polyethylene), PP (polypropylene), PET
PET resin) or PS (polystyrene) etc..
It should be noted that the wavy shaped configuration of this runner interval body 13 can have various ways, i.e. wave
Crest or trough can be difformity, such as S-shaped wave, zigzag wave, fold-line-shaped wave or
The wave etc. of other shapes.Preferably, the cross section of the runner interval body 13 in this programme is S-shaped ripple
Wave, groove 131 is then the groove of circular arc for cross section, as it is shown in fig. 7, can be made by setting process
Forming, the arrow in Fig. 7 represents liquid flow direction.
Crest or the trough of above-mentioned S-shaped wave are circular arc, and the RA in Fig. 7 represents the radius of circular arc,
Its scope is chosen as 1mm～4mm, preferably 2mm～3mm.B in Fig. 7 represents runner interval body
Cross section whole height after 13 laid out flat, the scope of B is chosen as 2mm～10mm, is preferably
2mm～5mm.C in Fig. 7 represents the plastic sheet thickness of runner interval body 13, and the scope of C is chosen as
0.1mm～1mm, preferably 0.2mm～0.6mm.Certainly, those skilled in the art can also be according to film
RA, B and C are designed as other different size by size that element is concrete and demand etc..
It should be noted that the bearing of trend of groove 131 is extended to end by one end of central canal 11, use
Time, membrane component 1 vertically places, and groove 131 forms the passage of up/down perforation with separating film 12.Groove
131 can be arranged in parallel with the axis of central canal 11, it is also possible to not parallel, such as, and prolonging of groove 131
The axis stretching direction projection on the axial symmetry face of central canal 11 and central canal 11 is that an acute angle is arranged.
Can flow in groove 131 to be easy to mud further, it is preferable that the groove 131 in this programme
The axis of bearing of trend and central canal 11 be arranged in parallel, so, in use, groove 131 with separate
Film 12 surface just can form the passage of the up/down perforation of vertical direction.
Aeration plate 4 in this programme can be selected for the material such as silica gel or ethylene-propylene diene copolymer and is made, and preferably three
Unit's second the third glue.During use, gas is entered in aeration plate 4 by the air inlet 9 of bottom end cover 5, passes through aeration
The aperture of dish 4 bloats, and forms uniform bubble, and bubble, by buoyancy, enters the runner of membrane component 1
Interval body 13, thus clean separation film 12 surface.Above-mentioned aeration plate 4 can also select microporous diaphragm
Aerator or ceramic corundum aerator etc..
Refer to Fig. 8, the structure separating film 12 is also improved, in this programme by this utility model
Separation film 12 uses can be with the special microporous membrane of back pressure (tolerance 0.4MPa buffer brake), its
Aperture is 0.04～0.4 μm, and this separation film 12 is resistant to the pressure of backwash.Concrete, this separation
Film 12 includes that non-woven fabrics and the macromolecule casting solution 123 penetrated in non-woven fabrics, i.e. this separation film 12 are
It is impregnated with the non-woven fabrics of macromolecule casting solution 123.This non-woven fabrics is the non-woven fabrics of a kind of special construction, tool
Body includes two-layer layers 121 and the superfine fibre layer being filled between two-layer layers 121
122, be i.e. packed into superfine fibre particular polyesters non-woven fabrics at spun-bonded non-woven fabrics fibre gap, wherein one layer thick
Fibrous layer 121 is impregnated with macromolecule casting solution 123, and macromolecule casting solution 123 also penetrates into pole
In fine fiber layer 122.
In film-forming process, use the mode such as infiltration macromolecule casting solution 123 (macromolecular material+solvent+
Additive) it is directed in the superfine fibre layer 122 in the middle of non-woven fabrics through the layers 121 on surface, slightly
Crude fibre 124 in fibrous layer 121 uses strengthens long fibre, blends with macromolecule casting solution 123 phase.
Crude fibre 124 after film forming plays reinforcement effect in macromolecular material, even if in non-woven fabrics side (thoroughly
Cross liquid side) there is the pressure of 0.4MPa, do not result in macromolecular material yet and separate with crude fibre 124,
Thus define the separation film 12 of tolerance buffer brake 0.4MPa.Fiber in superfine fibre layer 122 is (i.e.
Superfine fibre 125) average diameter be 1～5 μm, preferably 2～3 μm；Fiber in layers 121
The average diameter of (i.e. crude fibre 124) is 10～20 μm, preferably 15 μm.
It should be noted that the macromolecule casting solution 123 in above-mentioned separation film 12 penetrates into superfine fibre
The degree of depth of layer 122 can be adjusted by time and other parameters etc. of controlling osmosis process, this area skill
Art personnel can be according to pressure of the concrete disposal ability of membrane component 1 and backwash etc. because usually redesigning
Length of penetration, so that this separation film 12 can bear different buffer brakes.
The casting solution material that above-mentioned macromolecule casting solution 123 is commonly used when making separation film for this area, wherein,
Macromolecular material can select PVDF (Kynoar), PAN (polyacrylonitrile), PVC (poly-
Vinyl chloride) etc., owing to PVDF material oxidative resistance is more preferable, the boring ratio made is more uniform, therefore, and this
Preferred PVDF in scheme.
Central canal 11 is one end open, the other end close pipe, with separate the part district that film 12 contacts
Territory sidewall offers permeate and collects hole, collects hole and can be uniformly distributed into 2～4 rows, this programme preferably 4
Round.
Putamina 2 is used for accommodating membrane component 1, and for tubular structure, the putamina 2 in this programme can select state
Target plastic round tube, uses standard product can reduce cost further.Its material can select PP
(polypropylene), PE (polyethylene), PVC (polrvinyl chloride) etc., preferably PVC.Use plastics material
Matter makes putamina 2 and is possible not only to alleviate the overall weight of rolled membrane module, but also can reduce further
Cost.
Putamina 2 two ends are respectively connected with the end socket 3 for fixing membrane component 1.End socket 3 can use mould one
Body formed working of plastics, as shown in Figures 9 to 11, its one end is putamina interface 33 to its structure, putamina
Interface 33 can be connected by glue sealing with putamina 2, and the other end is provided with close for be connected with end cap seal
Envelope screw thread 34.The outwardly intake-outlet 31 in side of end socket 3, interface standard can be copy Lingka
Hoop Interface.Preferably, in end socket 3, it is additionally provided with the support rod 32 for being connected to membrane component 1 end,
Fixing membrane component 1 can be played, prevent membrane component 1 by water impact the function of deformation, such as Figure 10 institute
Showing, the end socket 3 in this specific embodiment scheme is provided with the support rod 32 of three radial arrangement.With film
Shell 2 is similar to, and the material of end socket 3 can also select the plastic materials such as PP, PE, PVC, and this programme is excellent
Select PVC.
The assembling mode of the rolled membrane module that this programme provides is as follows: be placed in putamina 2 by membrane component 1,
Membrane component 1 two ends abut against with the support rod 32 of end socket 3.By glue, two end sockets 3 are fixed on
Putamina 2 two ends, bottom end cover 5 is threaded connection and is fixed in the end socket 3 of lower end by aeration plate 4, gas
Body can blast from the air inlet 9 of bottom end cover 5, bloats from aeration plate 4.The central canal 11 of membrane component 1
Open end and adapter 7 realize being tightly connected by O, adapter 7 other end passes upper end cover
The centre bore of 6, upper end cover 6 is threadingly attached on the end socket 3 of upper end, will be even by clamp nut 8
Connect in the centre bore that device 7 is fixed on upper end cover 6, it is achieved the permeate in central canal 11 turns on outside.
Refer to Figure 12, the operation principle of the rolled membrane module that this programme provides is as follows:
Stock solution 101 is flowed in membrane component 1 by inlet (i.e. the intake-outlet 31 of the end socket 3 of lower end),
The air that aerator 107 blasts forms uniform bubble after aeration plate 4, and bubble is mixed into stock solution 101
Enter in the waveform runner interval body 13 of membrane component 1, the material less than fenestra (i.e. through film liquid 104,
Such as water) through separating film 12 and flowing through film support entrance central canal 11, then, through film liquid 104
It is sucked pump 103 sucking-off.The material bigger than fenestra forms concentrated solution 102 by liquid outlet (the i.e. envelope of upper end
The intake-outlet 31 of 3) derive.In filter process, separate macromole and the granule on film 12 surface
The concentration of thing is gradually increasing, rest at fenestra formed blocking, now, the bubble in stock solution 101 due to
By buoyancy be used as be perpendicular to permeate direction ascending motion, as brush clean film surface,
Realize film surface cleaning.By technological design, in the exit through film liquid 104 with through film liquid
Increasing backwashing pump 106 (pressure of backwashing pump 106 is less than 0.4MPa) between tank 105, intermittently starting is anti-
Wash pump 106 inversely to be gone out by the pollutant separated in film 12 fenestra with through film liquid 104, it is achieved
Cleaning in fenestra.The discharge of mud 108 is most important, and mud 108 is by action of gravity, bulky grain
The mud 108 of material can be deposited on bottom, is controlled by technological design automatic valve, can realize mud 108
Frequent quick drain, thus remove the solid in membrane component 1, thus the solid reducing stock solution 101 divide
Concentration, reduces the pollution of film.
This utility model scheme has the advantages that
1, waveform runner interval body 13 water environment capacity is strong, and bubble and large particulate matter can be easy to
Flowing in passage, requires low to stock solution pre-treatment, can allow higher activated sludge concentration；
2, in rolled membrane module, introduce aerator, make that filter process has air bubble scrubbing separation film always
12 surfaces, play surface cleaning effect；
3, separate film 12 to use and can tolerate backwash with the special microporous membrane of back pressure, such that it is able to side
Just the pollutant in backwash fenestra；
4, by air bump rinse operation separation film 12 surface, backwash separation film 12 and frequently discharge mud,
Can ensure that separation film 12 is not easy blocking, contamination resistance is strong, and the effluent quality water yield is stable；
5, the parts such as putamina 2 and end socket 3 select plastic material, with low cost, and integrated design can be dropped
The low difficulty installing maintenance.
This utility model additionally provides a kind of membrane bioreactor, including the rolled film described in as above any one
Assembly.The derivation of the beneficial effect that this membrane bioreactor produces and above-mentioned rolled membrane module bring
The derivation of beneficial effect is similar, therefore repeats no more herein.
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or uses
This utility model.Multiple amendment to these embodiments will be aobvious for those skilled in the art
And be clear to, generic principles defined herein can be without departing from spirit or scope of the present utility model
In the case of, realize in other embodiments.Therefore, this utility model is not intended to be limited to institute herein
These embodiments shown, and it is to fit to consistent with principles disclosed herein and features of novelty the widest
Scope.
Claims (9)
1. a rolled membrane module, it is characterised in that include membrane component (1) and be used for accommodating described film
The putamina (2) of the tubular of element (1), described membrane component (1) includes separating between film (12), runner
Spacer (13) and central canal (11), described runner interval body (13) is laminated structure and shape of cross section
For waveform, the wavy surfaces of described runner interval body (13) forms multiple groove (131), described
Groove (131) is extended to the other end by one end of described central canal (11), and described putamina (2) two ends are equal
Connect and have the end socket (3) for fixing described membrane component (1), be positioned at the closing of described central canal (11)
The described end socket (3) of end connects aeration plate (4).
Rolled membrane module the most according to claim 1, it is characterised in that described groove (131)
Bearing of trend is arranged in parallel with the axis of described central canal (11).
Rolled membrane module the most according to claim 2, it is characterised in that described runner interval body (13)
Cross-sectional height be 2～5mm.
Rolled membrane module the most according to claim 2, it is characterised in that described runner interval body (13)
For waveform plastic sheet.
Rolled membrane module the most according to claim 1, it is characterised in that described separation film (12)
Including non-woven fabrics and the macromolecule casting solution (123) penetrated in described non-woven fabrics, described non-woven fabrics includes
Two-layer layers (121) and be filled in the superfine fibre layer between layers described in two-layer (121)
(122), wherein one layer of described layers (121) is impregnated with described macromolecule casting solution (123),
And described macromolecule casting solution (123) also penetrates in described superfine fibre layer (122), described pole
Average fibre diameter in fine fiber layer (122) is 1～5 μm, the fibre in described layers (121)
Dimension average diameter is 10～20 μm.
Rolled membrane module the most according to claim 5, it is characterised in that described superfine fibre layer (122)
Interior average fibre diameter is 2～3 μm, and the average fibre diameter in described layers (121) is 15
μm。
Rolled membrane module the most according to claim 1, it is characterised in that described end socket (3) is provided with
For being connected to the support rod (32) of described membrane component (1) end.
Rolled membrane module the most according to claim 7, it is characterised in that described putamina (2) and institute
State end socket (3) and be working of plastics.
9. a membrane bioreactor, it is characterised in that include institute as any one of claim 1 to 8
The rolled membrane module stated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620475839.5U CN205760667U (en) | 2016-05-23 | 2016-05-23 | A kind of membrane bioreactor and rolled membrane module thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620475839.5U CN205760667U (en) | 2016-05-23 | 2016-05-23 | A kind of membrane bioreactor and rolled membrane module thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205760667U true CN205760667U (en) | 2016-12-07 |
Family
ID=58115426
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620475839.5U Withdrawn - After Issue CN205760667U (en) | 2016-05-23 | 2016-05-23 | A kind of membrane bioreactor and rolled membrane module thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205760667U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106925128A (en) * | 2016-05-23 | 2017-07-07 | 中科瑞阳膜技术（北京）有限公司 | A kind of membrane bioreactor and its rolled membrane module |
| CN108993166A (en) * | 2018-08-14 | 2018-12-14 | 三达膜科技（厦门）有限公司 | A kind of pollution-resistant rolled film water conservancy diversion filter |
| CN114573182A (en) * | 2022-02-14 | 2022-06-03 | 徐州紫聚石化设备有限公司 | Membrane separation process and device for sewage treatment |
| CN118437155A (en) * | 2024-05-15 | 2024-08-06 | 杭州海纳环保技术有限公司 | Pollution-resistant reverse osmosis membrane assembly |
-
2016
- 2016-05-23 CN CN201620475839.5U patent/CN205760667U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106925128A (en) * | 2016-05-23 | 2017-07-07 | 中科瑞阳膜技术（北京）有限公司 | A kind of membrane bioreactor and its rolled membrane module |
| CN108993166A (en) * | 2018-08-14 | 2018-12-14 | 三达膜科技（厦门）有限公司 | A kind of pollution-resistant rolled film water conservancy diversion filter |
| CN108993166B (en) * | 2018-08-14 | 2023-11-21 | 三达膜科技（厦门）有限公司 | Anti-pollution formula roll-type membrane water conservancy diversion separates net |
| CN114573182A (en) * | 2022-02-14 | 2022-06-03 | 徐州紫聚石化设备有限公司 | Membrane separation process and device for sewage treatment |
| CN118437155A (en) * | 2024-05-15 | 2024-08-06 | 杭州海纳环保技术有限公司 | Pollution-resistant reverse osmosis membrane assembly |
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Granted publication date: 20161207 Effective date of abandoning: 20230718 |