CN104906859B - A kind of filtration membrane cartridge - Google Patents
A kind of filtration membrane cartridge Download PDFInfo
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- CN104906859B CN104906859B CN201510347756.8A CN201510347756A CN104906859B CN 104906859 B CN104906859 B CN 104906859B CN 201510347756 A CN201510347756 A CN 201510347756A CN 104906859 B CN104906859 B CN 104906859B
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Abstract
The invention provides a kind of filtration membrane cartridge, including the lamination stacking successively, upper sealing plate, lower shrouding, connection post and hollow flow-guiding post；The middle part of lamination is provided with port, stacks rear port and constitutes water-dilution channel；Upper sealing plate and lower shrouding are arranged on the two ends of water-dilution channel, and upper sealing plate has the first through hole；Connect post pass through lamination and be connected with upper sealing plate and lower shrouding；Hollow flow-guiding post is arranged on water-dilution channel and is provided with the second through hole on first passage and second channel, and wall interior be divided into water-dilution channel, and the first through hole is connected with second channel.This filtration membrane cartridge, have the second through hole because of on the wall of hollow flow-guiding post, the fluid entering water-dilution channel is made to initially enter in first passage, then second channel is flowed into by the second through hole, flowed out by second channel again, the fluid within water-dilution channel can be made to be laminar condition, it is easy to the quick formation of Dynamic Membrane, and Dynamic Membrane can be made normally to come off after remaining stable and ensureing densification, improve the efficiency of filtering flow and separation.
Description
Technical field
The present invention relates to fluid components to filter, separate and the filter in purification field, specifically, relate to
And one filtration membrane cartridge.
Background technology
From fluid separate and filter specific components (include solid particle, colloid, larger molecular organics, can
Soluble inorganic salt, aerosol etc.) it is requisite technique in many fields, including bioscience, chemical industry
Production, test in laboratory, food_beverage industry, smoke gas treatment, electronics industry and water treatment field etc..And
Membrane separation technique is technology conventional during fluid components filters, separates and purifies.
With artificial membrane for cutting off, and utilize and artificially form fluid different phase in film both sides, utilize same composition
Between or same phase in the difference of transport motive force between each constituents, relevant composition is separated
Method, referred to as membrane separation technique.Membrane separation technique includes electrodialysis, counter-infiltration, nanofiltration, ultrafiltration and micro-
Filter etc..During membrane filtration, colloid in solution and suspended particulate is trapped under the effect of the pressure or
Absorption forms cake layer on film surface, causes the decline of membrane flux, and this phenomenon is referred to as fouling membrane.At film
In separation process, fouling membrane should strongly be avoided or control.But many scientific research discovery filter cakes
Although layer can make energy consumption increase, but it contributes to retaining small particles, improves and filters separating property.
Dynamic Membrane is that on porous carrier, particle deposition is formed, and is properly termed as again time filming, and its essence is exactly carrier
The concentration polarization when cross-flow filtration for the assembly and cake layer under the effect of various mechanism particle at carrier surface
Define one layer of film layer with micro-filtration or ultrafiltration characteristics.May act as now Dynamic Membrane carrier module has: pottery
The porous inorganic materials such as porcelain, sintered glass, sintering metal, carbon；Cellulose family, polyamide-based, fragrant miscellaneous
The polymeric membranes such as ring class, polysulfones, TPO, silicone rubber kinds, and these polymeric membranes are sometimes referred to as it
For basement membrane.Compared with the non-dynamic film of same apertures, dynamic permeability of the membrane is also more preferable.These advantages make
The research of Dynamic Membrane is become positive utilization by passive suppression.
Compared with traditional membrane technology, Dynamic Membrane remains most of advantage of membrane module, and also have with
Under several advantages: the low filtration resistance of (1) energy consumption little 1-2 order of magnitude than ultrafiltration and microfiltration, at Action of Gravity Field
Under can from flow out；(2) flux big-compared with conventional membrane bioreactor, flux improves several times even tens
Times；(3) easy-simple gas-liquid backwash of regeneration i.e. can get flux recovery very；(4) raw material valency
Lattice are cheap, and the price of such as basement membrane only has the part of milipore filter.
But Dynamic Membrane also has fatal defect.First be the formation of Dynamic Membrane, be need suitable condition and
Certain process could be formed；Next to that with the growth running the time, the thickness of Dynamic Membrane is gradually increased,
Its structure also changes (consistency increases), so that both sides differential pressure of membrane increases, under pressure
Destroy the separating layer of Dynamic Membrane, cause the collapse of Dynamic Membrane system to be lost efficacy.Accordingly, it would be desirable to exploitation one knot
Structure is simple, it is quick to form Dynamic Membrane, fluid components filters and separative efficiency height, fouling membrane and control effect are good
Filtration membrane cartridge, be Dynamic Membrane application in problem demanding prompt solution.
Content of the invention
In order to solve above-mentioned technical problem, it is an object of the invention to provide a kind of simple in construction, formed dynamically
The filtration membrane cartridge that film is quick, fluid components filters and separative efficiency height, fouling membrane and control effect are good.
In view of this, the invention provides a kind of filtration membrane cartridge, including multiple stack successively lamination,
Upper sealing plate, lower shrouding, connection post and hollow flow-guiding post；
The middle part of described lamination is provided with port, and the described port of multiple described laminations stacking successively constitutes clear
Aquaporin, has the gap flow through for fluid between adjacent described lamination；Described upper sealing plate and described lower shrouding
It is separately positioned on the two ends of described water-dilution channel, and described upper sealing plate the one end having with described water-dilution channel
The first through hole being connected, described lower shrouding seals the other end of described water-dilution channel；Described connection post is vertical
Through multiple described laminations stacking successively, and the two ends of described connection post respectively with described upper sealing plate and described
Lower shrouding is connected；Described hollow flow-guiding post is arranged in described water-dilution channel, splits described water-dilution channel
Become the first passage outside described hollow flow-guiding post jamb and the second channel in described hollow flow-guiding post jamb, and described
It is provided with the second through hole that described first passage is connected with described second channel on the wall of hollow flow-guiding post,
Described first through hole is only connected with described second channel.
The filtration membrane cartridge that the present invention provides, uses hollow flow-guiding post that water-dilution channel is divided into first lead to
Road and second channel, the wall of hollow flow-guiding post has the second through hole, and the first through hole is only with described
Two passages are connected so that the fluid entering water-dilution channel initially enters in first passage, then passes through
The second through hole on hollow flow-guiding post jamb flows into second channel, then is flowed out by second channel so that clear water
The fluid of channel interior is become laminar condition from original turbulent condition, it is easy to the quick formation of Dynamic Membrane,
And Dynamic Membrane can be made to keep normally coming off after remaining in stable condition and ensureing densification, improve fluid group
Divide the efficiency filtering and separating.
In addition, the filtration membrane cartridge in above-described embodiment of present invention offer can also have following additional
Technical characteristic:
According to one embodiment of present invention, the two ends of described hollow flow-guiding post respectively with described upper sealing plate
Multiple described laminations stacking successively are linked into an integrated entity by fixing connection with described lower shrouding.
According to one embodiment of present invention, the upper end open of described hollow flow-guiding post, lower end closed,
The two ends of described hollow flow-guiding post respectively with described upper sealing plate and described lower shrouding bolt, and described in
The upper end of empty diversion column passes through described first through hole.
According to one embodiment of present invention, the wall of described hollow flow-guiding post has multiple described second
Through hole, the fluid in described first passage flows in described second channel through described second through hole.
According to one embodiment of present invention, the outer surface of described lower shrouding is convex or middle high by two
The low stairstepping in limit, inner surface is arcs of recesses.
According to one embodiment of present invention, also including pad, institute's pad is separately positioned on described upper envelope
Between plate and described lower shrouding and described lamination and the middle part of multiple described lamination.
According to one embodiment of present invention, the thickness of adjacent described lamination differs, described lamination
Thickness is between 0.1mm～1.2mm, and is provided with support member between adjacent described lamination.
According to one embodiment of present invention, described support member is the projection being arranged on described lamination,
The altitude range of described projection is 0.05mm-0.5mm.
According to one embodiment of present invention, the outer face of adjacent described lamination is not concordant, and adjacent institute
The inner face stating lamination is not concordant yet.
According to one embodiment of present invention, multiple described laminations include that the first lamination and the second are folded
Piece, the first lamination described and described the second lamination are arranged alternately.
Brief description
Above-mentioned and/or the additional aspect of the present invention and advantage are from combining the description to embodiment for the accompanying drawings below
Will be apparent from easy to understand, wherein:
Fig. 1 is the plan structure schematic diagram of filtration membrane cartridge one embodiment of the present invention；
Fig. 2 be in Fig. 1 A-A to sectional structure schematic diagram；
Fig. 3 is the structure for amplifying schematic diagram in B portion in Fig. 2；
Fig. 4 is the structure for amplifying schematic diagram in C portion in Fig. 2；
Fig. 5 is that the A-A of another embodiment of filtration membrane cartridge of the present invention is to sectional structure schematic diagram；
Fig. 6 is the structural representation of filtration membrane cartridge another embodiment of the present invention；
Fig. 7 is the structural representation of lamination in filtration membrane cartridge shown in Fig. 1；
Fig. 8 be in Fig. 7 D-D to sectional structure schematic diagram.
Wherein, in Fig. 1 to Fig. 8, the corresponding relation between reference and component names is:
1 lamination, 11 is protruding, 12 ports, 101 the first lamination, 102 the second laminations, 2 upper sealing plates,
21 first through holes, 3 times shroudings, 4 connection posts, 5 hollow flow-guiding posts, 51 second through holes, 6 water-dilution channels,
61 first passages, 62 second channels, 7 pads.
Detailed description of the invention
In order to be more clearly understood that the above-mentioned purpose of the present invention, feature and advantage, below in conjunction with the accompanying drawings and
The present invention is further described in detail by detailed description of the invention.It should be noted that in the feelings do not conflicted
Under condition, the feature in embodiments herein and embodiment can be mutually combined.
Elaborate a lot of detail in the following description in order to fully understand the present invention, but, this
Bright can implement to use other to be different from other modes described here, therefore, the protection model of the present invention
Enclose and do not limited by following public specific embodiment.
Referring to Fig. 1 to Fig. 8, described according to some embodiments of the invention filtration membrane cartridge is described.
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 7 and Fig. 8, one embodiment of the invention provides
Filtration membrane cartridge, including the 3rd, the multiple lamination stacking successively the 1st, upper sealing plate the 2nd, lower shrouding connects post 4
With hollow flow-guiding post 5；
The middle part of described lamination 1 is provided with port 12, multiple described laminations 1 stacking successively described
Port 12 constitutes water-dilution channel 6, has the gap flow through for fluid between adjacent described lamination 1；Institute
State upper sealing plate 2 and described lower shrouding 3 be separately positioned on the two ends of described water-dilution channel 6, and described on
The first through hole 21 being connected with one end of described water-dilution channel 6, described lower shrouding is had on shrouding 2
3 other ends sealing described water-dilution channel 6；Described connection post 4 passes perpendicularly through and multiple stacks successively
Described lamination 1, and described connection post 4 two ends respectively with described upper sealing plate 2 and described lower shrouding 3
It is connected；Described hollow flow-guiding post 5 is arranged in described water-dilution channel 6, by described water-dilution channel 6
Being divided in the first passage 61 outside described hollow flow-guiding post 5 wall and described hollow flow-guiding post 5 wall
It is provided with described first passage 61 and described on two passages 62, and the wall of described hollow flow-guiding post 5
The second through hole 51 that second channel 62 is connected, described first through hole 21 only with described second channel 62
It is connected.
The filtration membrane cartridge that the present invention provides, uses hollow flow-guiding post 5 that water-dilution channel 6 is divided into the
One passage 61 and second channel 61, the wall of hollow flow-guiding post 5 has the second through hole 51, and first
Through hole 21 is only connected with described second channel 62 so that first the fluid entering water-dilution channel 6 enters
Enter in first passage 61, then flow into second by the second through hole 51 on hollow flow-guiding post 5 wall and lead to
Road 62, then flowed out by second channel 62, this makes fluid within water-dilution channel 6 by original disorderly
Stream mode becomes laminar condition, it is easy to the quick formation of Dynamic Membrane, and Dynamic Membrane can be made to keep maintaining shape
State is stablized and normally coming off after guarantee densification, improves the efficiency that fluid components filters and separates.Solve
Determine the problems of the prior art, the goal of the invention realizing the present invention.
In one embodiment of the invention, as shown in Figure 2, Figure 5 and Figure 6, hollow flow-guiding post 5
Two ends fixing with described upper sealing plate 2 and described lower shrouding 3 be respectively connected, stack multiple successively
Described lamination 1 links into an integrated entity.
The two ends of hollow flow-guiding post 5 are fixed be connected with upper sealing plate 2 and lower shrouding 3 respectively, then makes
Multiple laminations 3 use hollow flow-guiding post 5 connect and be integrally fixed so that connect post 4 not tension
Stress, only lamination is played a supportive role, reduce the deformation connecting post 4, it is simple to whole filter membrane
The dismounting of support, maintenance, and improve the service life of filtration membrane cartridge.Certainly, connection post 4 is used
Connect and to fix multiple lamination 1 also possible, repeat no more.
In one embodiment of the invention, as shown in Figure 2, Figure 5 and Figure 6, described hollow flow-guiding
The upper end open of post 5, lower end closed, the two ends of described hollow flow-guiding post 5 respectively with described upper sealing plate
2 and described lower shrouding 3 bolt, and the upper end of described hollow flow-guiding post 5 passes through described first through hole
21。
The upper end open of described hollow flow-guiding post 5, lower end closed, two ends and described upper sealing plate 2 and under
Shrouding 3 uses the fixing connected mode being spirally connected, and the upper end of hollow flow-guiding post 5 passes through described first and leads to
Hole 21, it is simple to production, assembling and the maintenance of whole filtration membrane cartridge.Certainly, art technology is at this
The enlightenment of invention, it is possible to understand that the two ends of hollow flow-guiding post 5 use with upper sealing plate 2 and lower shrouding 3
The modes such as welding, riveting are fixing to be connected, it is also possible to realize the goal of the invention of the present invention.
In one embodiment of the invention, as shown in Fig. 2, Fig. 5, described hollow flow-guiding post 5
Having multiple described second through hole 51 on wall, the fluid in described first passage 61 leads to through described second
Hole 51 flows in described second channel 62.
In the present embodiment, as shown in Figure 2 and Figure 5, described second through hole 51 can be from up to down regular
Arrange, it is possible to irregularly arrange；The shape of through hole can be that circle as shown in Figure 2 and Figure 5 also may be used
It being kidney-shaped as shown in Figure 6 or other shapes, but is arranged to uniform circle, more favorably
It in the formation of second channel 62 inner laminar flow, is a kind of preferred embodiment.
In one embodiment of the invention, as shown in Figure 2, Figure 5 and Figure 6, described lower shrouding 3
Outer surface be the low stairstepping of convex or middle high both sides, inner surface is arcs of recesses.
The outer surface of lower shrouding 3 is the low stairstepping of convex or middle high both sides, can reduce eddy current,
Make it will not impact the foundation of Dynamic Membrane and maintenance, reduce it to tank interior entirety liquid flow
Impact, makes liquid flow more steady.And plate shaped lower shrouding, when liquid flow is through lower shrouding outward flange,
Eddy current can be produced, affect formation and the maintenance of Dynamic Membrane, additionally also tank interior liquid flow can be made to cause disorderly
Disorderly；The inner surface of lower shrouding 3 is concave arc shape, can effectively weaken internal turbulence, increases fluid stable
Property.
In one embodiment of the invention, as shown in Figure 6, pad 7 is also included, 7 points of institute's pad
It is not arranged between described upper sealing plate 2 and described lower shrouding 3 and described lamination 1 and multiple described
The middle part of lamination 1.
Arranging pad can increase sealing effectiveness, and this pad is securable to connect post and/or hollow flow-guiding post
On, stability and the intensity of whole filtration membrane cartridge can be increased.
In one embodiment of the invention, as shown in Fig. 2-5, Fig. 8, the thickness of adjacent described lamination 1
Degree differs, and the thickness of described lamination 1 is between 0.1mm～1.2mm, and adjacent described lamination 1
Between be provided with support member.
The thickness of lamination 1 is within the above range, it is ensured that fluid has enough with the outer face of lamination 1
Contact surface, it is simple to the formation of Dynamic Membrane and holding；It is provided with support member between adjacent laminates 1, can make
There is enough gaps, also the beneficially formation of Dynamic Membrane and maintenance between adjacent laminates 1.
In one embodiment of the invention, as shown in Fig. 2-5, Fig. 8, described support member is for being arranged on
Projection 11 on described lamination, the described altitude range of protruding 11 is 0.05mm-0.5mm.
Use the projection 11 on lamination as support member, on the one hand ensure that between support member and lamination
Bonding strength, thus reduce the probability that there occurs fracture between support member and lamination, thus improve
The reliability of product；On the other hand protruding 11 can be one-body molded with lamination 1, thus improve product
Production efficiency, and then reduce the manufacturing cost of product.
In one embodiment of the invention, as shown in Fig. 2-5, Fig. 8, outside adjacent described lamination 1
End face is not concordant, and the inner face of adjacent described lamination 1 is not concordant yet.
Owing to the inward flange of adjacent laminates 1 is not concordant so that i.e. the wall of water-dilution channel 6 is uneven,
When fluid flows in water-dilution channel 6, active force is produced to lamination 1, makes lamination 1 produce vibration,
Under the common effect of the vibration that this vibration produces with fluid structurecoupling, Dynamic Membrane is applied towards filter membrane
Active force (applying the in opposite direction of power with fluid) outside support, then prop up outer surface at dynamic filtration film
Outer setpoint distance is more readily formed Dynamic Membrane；Equally, the outward flange of adjacent laminates 1 is not concordant,
It is easy to the formation of Dynamic Membrane: the not concordant outer surface shape making filtration membrane cartridge in the outer face of adjacent laminates 1
Become groove, when fluid is flowed into water-dilution channel by gap via between lamination for the outer surface of filtration membrane cartridge,
Will clash into lamination, and form turbulent flow at groove, the particle in turbulent convection body applies and main body stream
Body active force in opposite direction so that particle carries out reciprocating motion by a small margin and rests on filter membrane and prop up
Frame near surface.So, under particle turbulent flow in the trench and body fluid flowing common acts on,
Rest at the setpoint distance of distance filtration membrane cartridge outer surface, as more multiparticle was gradually gathered in
At setpoint distance outside filter holder outer surface, then filtration membrane cartridge outer surface set distance by
Gradually form described Dynamic Membrane.
In one embodiment of the invention, as shown in Figure 8, multiple described laminations 1 include thickness not
Same the first is folded, 101 and the second lamination 102, the first lamination 101 described and described the second
Lamination 102 is arranged alternately.
The first different lamination of employing thickness and the second lamination, then so that lamination is at fluid stream
It during through its surface, under the effect of fluid structurecoupling, is more prone to vibration, thus is more readily formed dynamic
Film, is a kind of preferred embodiment.
In the present invention, term " first ", " second " are only used for the purpose describing, and it is not intended that instruction
Or hint relative importance；Term " multiple " then refers to two or more, limits unless otherwise clear and definite.
Term " is installed ", " being connected ", " connection ", the term such as " fixing " all should be interpreted broadly, for example, and " connection "
It can be fixing connection, it is also possible to be to removably connect, or be integrally connected；" being connected " can be direct phase
Even, it is also possible to be indirectly connected to by intermediary.For the ordinary skill in the art, Ke Yigen
Understand above-mentioned term concrete meaning in the present invention according to concrete condition.
In description of the invention, it is to be understood that term " on ", the orientation of the instruction such as D score or position close
System, for based on orientation shown in the drawings or position relationship, is for only for ease of the description present invention and simplification describes,
Rather than device or the unit of instruction or hint indication must have specific direction, with specific azimuth configuration
It and operation, it is thus impossible to is interpreted as limitation of the present invention.
In the description of this specification, term " embodiment ", " some embodiments ", " specific embodiment "
Deng description means to combine this embodiment or example describes specific features, structure, material or feature be contained in
In at least one embodiment of the present invention or example.In this manual, the schematic representation to above-mentioned term
It is not necessarily referring to identical embodiment or example.And, the specific features of description, structure, material or spy
Point can combine in any one or more embodiment or example in an appropriate manner.
By the filtration membrane cartridge of the present invention, use hollow flow-guiding post water-dilution channel is divided into first passage and
Second channel, the wall of hollow flow-guiding post has the second through hole, and the first through hole only with described second channel phase
Connection so that the fluid entering water-dilution channel initially enters in first passage, then passes through hollow flow-guiding post jamb
On the second through hole flow into second channel, then flowed out by second channel so that the fluid within water-dilution channel by
Turbulent condition originally becomes laminar condition, it is easy to the quick formation of Dynamic Membrane, and Dynamic Membrane can be made to keep dimension
Hold in stable condition and ensure fine and close after normally come off, improve the efficiency that fluid components filters and separates.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for ability
For the technical staff in territory, the present invention can have various modifications and variations.All in the spirit and principles in the present invention
Within, any modification, equivalent substitution and improvement etc. made, should be included in protection scope of the present invention it
In.
Claims (10)
1. a filtration membrane cartridge, it is characterised in that:
Including multiple lamination, upper sealing plate, lower shrouding, connection post and hollow flow-guiding posts stacking successively；
The middle part of described lamination is provided with port, the described port structure of multiple described laminations stacking successively
Become water-dilution channel, there is between adjacent described lamination the gap flow through for fluid；
Described upper sealing plate and described lower shrouding are separately positioned on the two ends of described water-dilution channel, and described on
Having the first through hole being connected with one end of described water-dilution channel on shrouding, described lower shrouding seals institute
State the other end of water-dilution channel；
Described connection post passes perpendicularly through multiple described lamination stacking successively, and the two ends of described connection post
It is connected with described upper sealing plate and described lower shrouding respectively；
Described hollow flow-guiding post is arranged in described water-dilution channel, is divided into described water-dilution channel described
First passage outside hollow flow-guiding post jamb and the second channel in described hollow flow-guiding post jamb, and described in
It is provided with on the wall of empty diversion column and second lead to described first passage is connected with described second channel
Hole, described first through hole is only connected with described second channel.
2. filtration membrane cartridge according to claim 1, it is characterised in that
The two ends of described hollow flow-guiding post are fixing with described upper sealing plate and described lower shrouding respectively to be connected, will
Multiple described laminations stacking successively link into an integrated entity.
3. filtration membrane cartridge according to claim 2, it is characterised in that
The upper end open of described hollow flow-guiding post, lower end closed, the two ends of described hollow flow-guiding post are respectively
With described upper sealing plate and described lower shrouding bolt, and the upper end of described hollow flow-guiding post passes through described the
One through hole.
4. filtration membrane cartridge according to claim 1, it is characterised in that
Multiple described second through hole, the stream in described first passage is had on the wall of described hollow flow-guiding post
Body flows in described second channel through described second through hole.
5. filtration membrane cartridge according to claim 1, it is characterised in that
The outer surface of described lower shrouding is the low stairstepping of convex or middle high both sides, and inner surface is recessed
Arc.
6. filtration membrane cartridge according to claim 1, it is characterised in that
Also including pad, it is folded with described that described pad is separately positioned on described upper sealing plate and described lower shrouding
Between piece and the middle part of multiple described lamination.
7. according in claim 1-6 arbitrary described in filtration membrane cartridge, it is characterised in that
The thickness of adjacent described lamination differs, the thickness of described lamination between 0.1mm～1.2mm,
And it is provided with support member between adjacent described lamination.
8. filtration membrane cartridge according to claim 7, it is characterised in that
Described support member is the projection being arranged on described lamination, and the altitude range of described projection is
0.05mm-0.5mm。
9. filtration membrane cartridge according to claim 7, it is characterised in that
The outer face of adjacent described lamination is not concordant, and the inner face of adjacent described lamination is not concordant yet.
10. filtration membrane cartridge according to claim 9, it is characterised in that
Multiple described laminations include the first lamination and the second lamination, the first lamination described and described
The second lamination is arranged alternately.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510347756.8A CN104906859B (en) | 2015-06-19 | 2015-06-19 | A kind of filtration membrane cartridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510347756.8A CN104906859B (en) | 2015-06-19 | 2015-06-19 | A kind of filtration membrane cartridge |
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| Publication Number | Publication Date |
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| CN104906859A CN104906859A (en) | 2015-09-16 |
| CN104906859B true CN104906859B (en) | 2016-11-23 |
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| CN109574410A (en) * | 2019-01-03 | 2019-04-05 | 清华大学 | A kind of Sewage Biological Treatment dynamic membrane device and application method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104302377B (en) * | 2011-11-21 | 2018-10-26 | 金普奥膜科技（杭州）有限公司 | Modular laminated filtering device |
| CN202654787U (en) * | 2012-05-22 | 2013-01-09 | 江苏江华水处理设备有限公司 | Cross-flow type filter disc of disc filter |
| CN203944199U (en) * | 2014-07-01 | 2014-11-19 | 北京克达思科技有限公司 | Sheet and filtration membrane cartridge shake |
| CN203944194U (en) * | 2014-07-24 | 2014-11-19 | 吴植仁 | A kind of disc type filter-pressing device |
| CN204093163U (en) * | 2014-09-30 | 2015-01-14 | 北京克达思科技有限公司 | Filtration membrane cartridge |
| CN204841138U (en) * | 2015-06-19 | 2015-12-09 | 奥源科技有限公司 | Filtration membrane support |
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