CN105664570B - Dynamic filtration membrane support and filter - Google Patents
Dynamic filtration membrane support and filter Download PDFInfo
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- CN105664570B CN105664570B CN201410666148.9A CN201410666148A CN105664570B CN 105664570 B CN105664570 B CN 105664570B CN 201410666148 A CN201410666148 A CN 201410666148A CN 105664570 B CN105664570 B CN 105664570B
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Abstract
The invention provides a kind of dynamic filtration membrane support and filter, the dynamic filtration membrane support includes dynamic filtration membrane support body, the gap that water-dilution channel and multiple confession fluids flow through is offered on dynamic filtration membrane support body, each gap is horizontally disposed, and connected with water-dilution channel, multiple gaps are vertically arranged, and the lateral wall of dynamic filtration membrane support body above girth be more than underlying dynamic filtration membrane support body lateral wall girth.The dynamic filtration membrane support that the present invention is provided, it is more than the girth of the lateral wall of lower section hydraulic pressure general goal dynamic filtration membrane support by the girth for the lateral wall for setting the top small place's dynamic filtration membrane support of hydraulic pressure, so that the water amount of each gap location is consistent on dynamic filtration membrane support, be conducive to macromolecular substances, particle in fluid etc. to form dynamic filtration film, and keep the stabilization of dynamic filtration film.
Description
Technical field
It is dynamic in particular to one kind the present invention relates to the filter in fluid components filtering, separation and purification field
State filtration membrane cartridge and the filter for including the dynamic filtration membrane support.
Background technology
Existing dynamic filtration membrane support, its rack body is located under liquid level, and crosses water space phase on rack body
Together, because the hydraulic pressure at different liquid levels is different so that the water amount for crossing water space at different liquid levels is different；Crossed due to each between water
Cross-flow velocity at gap is different, i.e., the cross-flow velocity that top is crossed at water space is less than the cross-flow velocity that lower section is crossed at water space, leads
The dynamic filtration film formed outside actuating state filtration membrane cartridge is different by the effect of current scour, is unfavorable for the shape of dynamic filtration film
Into and stably.
The content of the invention
In order to solve the above-mentioned technical problem, the purpose of one aspect of the present invention is to provide a kind of dynamic filtration film branch
Frame, thereon the water amount for crossing water space at different liquid levels reach unanimity, be conducive to the formation and stably of dynamic filtration film.
The purpose of another aspect of the invention is to include the filter of above-mentioned dynamic filtration membrane support there is provided a kind of.
In view of this, the embodiment of one aspect of the invention provides a kind of dynamic filtration membrane support, and it includes dynamic mistake
Filter holder body, the inside of dynamic filtration membrane support body offers the water-dilution channel of upper end open, dynamic filtration membrane support
The gap that multiple confession fluids flow through is offered on the side wall of body, each gap is horizontally disposed, and it is logical with clear water
Road is connected, and multiple gaps vertically arrange, and the Zhou Chang great of the lateral wall of dynamic filtration membrane support body above
In the girth of the lateral wall of underlying dynamic filtration membrane support body, make the gap above crosses water sectional area
Water sectional area is crossed more than the underlying gap.
In the above embodiment of the present invention, water-dilution channel and multiple gaps are offered on dynamic filtration membrane support body,
Water-dilution channel is connected with gap, and fluid can pass through from gap, and flow into water-dilution channel, due to dynamic filtration above
The girth of the lateral wall of membrane support body is more than the girth of the lateral wall of underlying filter holder body, i.e., above
The water sectional area (perpendicular to flow direction of fluid) of crossing in gap crosses water sectional area more than underlying gap, along between top
The hydraulic pressure of hydraulic pressure lower gap location at gap is small so that the water amount of upper and lower gap location reaches unanimity, so, in fluid
The dynamic filtration film of formation such as macromolecular substances, particle when, due to flowing through above and below gap fluid amount it is identical, that is, formed dynamic
The amount of macromolecular substances, the particle of state filter membrane etc. is consistent so that can be formed simultaneously in the upper and lower of dynamic filtration membrane support
Dynamic filtration film, and the effect of current scour that filter membrane is subject to is identical, is conducive to keeping the stabilization of dynamic filtration film.
To sum up, the dynamic filtration of lower section is more than by the girth of the lateral wall of the dynamic filtration membrane support body above setting
The girth of the lateral wall of membrane support body so that the water sectional area excessively in the gap of hydraulic pressure general goal is small, the mistake in the gap at the small place of hydraulic pressure
Water sectional area is big, it is ensured that the water amount of each gap location is consistent, is conducive to macromolecular substances, particle in fluid etc. to form dynamic mistake
Filter membrane, and keep the stabilization of dynamic filtration film.
In addition, the dynamic filtration membrane support in above-described embodiment that the present invention is provided can also have following supplementary technology special
Levy：
According to one embodiment of present invention, gap is along the circumferentially disposed of the side wall of dynamic filtration membrane support body
Annular gap.
According to one embodiment of present invention, along direction straight up, the lateral wall of dynamic filtration membrane support body
Girth gradually increases from bottom to top.
According to one embodiment of present invention, dynamic filtration membrane support body is included on many sub- bodies, each sub- body
Multiple gaps are equipped with, and along direction straight up, the girth of the lateral wall of different sub- bodies gradually increases from bottom to top.
According to one embodiment of present invention, the height in gap above is more than the height in underlying gap.
According to one embodiment of present invention, dynamic filtration membrane support body includes：Multiple laminations stacked successively, lamination
Be internally provided with through hole, the through hole of multiple laminations is connected and composed is provided with support member between water-dilution channel, adjacent laminates so that
Form the gap flowed through for fluid between adjacent laminates, and the lateral wall of lamination above girth be more than it is underlying
The girth of the lateral wall of lamination；Sealing plate, sealing plate is located at the lower end of dynamic filtration membrane support body, and seals water-dilution channel
Lower end；And connector, connector by multiple laminations and sealing plate link together composition dynamic filtration membrane support body.
According to one embodiment of present invention, the outside wall surface of the side wall of adjacent laminates is not concordant, and/or, adjacent laminates
The internal face of side wall is not concordant.
According to one embodiment of present invention, dynamic filtration membrane support body is hollow cylinder, the hollow composition of cylinder
Multiple gaps through column side wall are offered on water-dilution channel, column side wall.
According to one embodiment of present invention, the outside wall surface of column side wall is not concordant, and/or, the internal face of column side wall
It is not concordant.
The embodiment of another aspect of the present invention provides a kind of filter, including tank body and any of the above-described embodiment is dynamic
State filtration membrane cartridge, dynamic filtration membrane support is arranged in tank body.
Brief description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention will become from description of the accompanying drawings below to embodiment is combined
Substantially and be readily appreciated that, wherein：
Fig. 1 is the cross section structure diagram of dynamic filtration membrane support according to an embodiment of the invention；
Fig. 2 is a kind of enlarged diagram of embodiment of Fig. 1 A portions structure；
Fig. 3 is the enlarged diagram of another embodiment of A portions structure in Fig. 1；
Fig. 4 is the cross section structure diagram of the filter according to one embodiment of the invention.
Wherein, corresponding relations of the Fig. 1 into Fig. 4 between reference and component names is：
1 dynamic filtration membrane support, 10 dynamic filtration membrane support bodies, sub- body under 100, sub- body on 101,102 laminations,
1020 support members, 1021 through holes, 103 water-dilution channels, 104 gaps, 105 sealing plates, 106 cylinders, 2 tank bodies.
Embodiment
It is below in conjunction with the accompanying drawings and specific real in order to be more clearly understood that the above objects, features and advantages of the present invention
Mode is applied the present invention is further described in detail.It should be noted that in the case where not conflicting, the implementation of the application
Feature in example and embodiment can be mutually combined.
Many details are elaborated in the following description to facilitate a thorough understanding of the present invention, still, the present invention may be used also
Implemented with being different from other modes described here using other, therefore, protection scope of the present invention is not by described below
Specific embodiment limitation.
The dynamic filtration membrane support and filtering dress for describing to provide according to some embodiments of the invention referring to Fig. 1 to Fig. 4
Put.
As shown in figure 1, the dynamic filtration membrane support 1 that the present invention is provided, including dynamic filtration membrane support body 10, dynamic mistake
The inside of filter holder body 10 is offered opens on the water-dilution channel 103 of upper end open, the side wall of dynamic filtration membrane support body
The gap 104 flowed through provided with multiple confession fluids, each gap 104 is horizontally disposed, and connects with water-dilution channel 103
Logical, multiple gaps are vertically arranged, and the girth of the lateral wall of dynamic filtration membrane support body 10 above is more than
The girth of the lateral wall of underlying dynamic filtration membrane support body 10, cuts the water of crossing in the gap 104 above
Area be more than the underlying gap 104 cross water sectional area, wherein the lateral wall of dynamic filtration membrane support body 10 by
Plane or convex surface are surrounded.
Further, gap 104 is along the circumferentially disposed annular gap of the side wall of dynamic filtration membrane support body 10.
In the above embodiment of the present invention, water-dilution channel and multiple gaps are offered on dynamic filtration membrane support body,
Water-dilution channel is connected with gap, and fluid can pass through from gap, and flow into water-dilution channel, due to dynamic filtration above
The girth of the lateral wall of membrane support body be more than underlying filter holder body lateral wall girth, and gap be along
The circumferentially disposed annular gap of the side wall of dynamic filtration membrane support body, the lateral wall of dynamic filtration membrane support body is by plane
Or convex surface is surrounded so that the water sectional area (perpendicular to flow direction of fluid) of crossing in gap above is more than underlying
The water sectional area excessively of gap, along with the hydraulic pressure of the hydraulic pressure lower gap location of top gap location is small so that upper and lower gap location
Water amount reaches unanimity, so, by the dynamic filtration film that the macromolecular substances in fluid, particle etc. are formed when, on flowing through
The amount of the fluid in lower gap is identical, that is, the amount for forming macromolecular substances, the particle of dynamic filtration film etc. is consistent so that in dynamic mistake
The upper and lower of filter holder can form dynamic filtration film simultaneously, and the effect of current scour that filter membrane is subject to is identical, favorably
In the stabilization for keeping dynamic filtration film.
To sum up, the dynamic filtration of lower section is more than by the girth of the lateral wall of the dynamic filtration membrane support body above setting
The girth of the lateral wall of membrane support body so that the water sectional area excessively in the gap of hydraulic pressure general goal is small, the mistake in the gap at the small place of hydraulic pressure
Water sectional area is big, it is ensured that the water amount of each gap location is consistent, is conducive to macromolecular substances, particle in fluid etc. to form dynamic mistake
Filter membrane, and keep the stabilization of dynamic filtration film.
The height for being preferably located at the gap 104 of top is more than the height in underlying gap 104, it is ensured that top
The water sectional area of crossing in gap crosses water sectional area more than lower section gap, along with the effect of hydraulic pressure so that the mistake in upper and lower gap
Water is identical.
In first specific embodiment of the present invention, along direction straight up, dynamic filtration membrane support body 10
The girth of lateral wall gradually increases from bottom to top, and the height in gap 104 gradually increases so that along direction straight up,
The water sectional area of crossing of gap 104 increases, and is engaged with being gradually reduced for hydraulic pressure so that flow through the flux one of the fluid in each gap 104
Cause.
In second specific embodiment of the present invention, dynamic filtration membrane support body 10 includes many sub- bodies, each
Multiple gaps 104 are equipped with sub- body, and along direction straight up, the girth of the lateral wall of same sub- body is identical, no
Girth with the lateral wall of sub- body gradually increases from bottom to top, and the height in multiple gaps 104 on same sub- body is identical,
The height in the gap 104 on different sub- bodies gradually increases from bottom to top.
Further, as shown in figure 1, dynamic filtration membrane support body 10 includes lower sub- body 100 and upper sub- body 101, on
The girth of the lateral wall of sub- body 101 is identical, and the girth of the lateral wall of lower sub- body 100 is identical, under sub- body 100 outside
The girth of wall is more than the girth of the lateral wall of upper sub- body 101；And as shown in Fig. 2 multiple gaps 104 on lower sub- body 100
Height D it is identical, the height in multiple gaps 104 on upper sub- body 101 also identical (not shown), sub- body 100 under institute
The height in upper gap 104 is more than the height in gap 104 on upper sub- body 101.
In the 3rd specific embodiment of the present invention, dynamic filtration membrane support body 10 includes many sub- bodies, each
Multiple gaps 104 are equipped with sub- body, and along direction straight up, the girth of the lateral wall of same sub- body gradually increases
Greatly, the girth of the lateral wall of different sub- bodies gradually increases, i.e., on the whole, the week of the lateral wall of dynamic filtration membrane support body 10
Length gradually increases, and the height in multiple gaps 104 on same sub- body is identical, the height in the gap 104 on different sub- bodies
Degree gradually increases.
It is smaller in view of the difference in height on each sub- body, for the ease of manufacturing and installing, by dynamic filtration membrane support
Gap on upper each sub- body is designed as identical height, the gap on different sub- bodies is designed as into different height, and protect
Hold from bottom to top, the height in gap gradually increases, while ensureing the girth of the lateral wall of dynamic filtration membrane support body on the whole
Gradually increase, the girth of the lateral wall of same sub- body can also gradually be increased with identical.
In the specific example of the present invention, dynamic filtration membrane support body 10 includes：At least three stack successively it is folded
Piece 102, sealing plate 105 and connector.
Wherein, lamination 102 is internally provided with through hole 1021, and the through hole 1021 of multiple laminations 102 connects and composes clear water and lead to
Support member 1020 is provided between road 103, adjacent laminates 102, so as to have the gap flowed through for fluid between adjacent laminates 102
104, and the lateral wall of lamination 102 above girth be more than underlying lamination 104 lateral wall girth；
Sealing plate 105 is located at the lower end of dynamic filtration membrane support body 10, and seals the lower end of water-dilution channel 103；
Multiple laminations 102 and sealing plate 105 are linked together and constitute dynamic filtration membrane support body 10 by connector.
Further, as shown in Fig. 2 the outside wall surface of the side wall of adjacent laminates 102 is not concordant, the side wall of adjacent laminates 102
Internal face is not concordant.
The dynamic filtration membrane support that the present invention is provided, the outside wall surface of the side wall of adjacent laminates is not concordant, makes dynamic filtration film
Groove is formed at the outside wall surface of support.When gap inflow clear water of the fluid by the outside wall surface of dynamic filtration membrane support between lamination
During passage, lamination, and the formation turbulent flow at groove will be hit.Particle in turbulent convection body applies and body fluid direction phase
Anti- active force so that particle carries out reciprocating motion by a small margin and rested near rack surface.So, particle is in the trench
Turbulent flow and body fluid flowing collective effect under, at the setpoint distance for resting on distance bracket body outer wall face, with grain
Son be gradually gathered at the setpoint distance outside dynamic filtration membrane support outside wall surface, they directly with flocculant additional in fluid or
The reagent collective effect such as person's surfactant, forms dynamic filtration film, or make particle at the distance that support outside wall surface is set
Time filming is directly formed on basement membrane (being supported by support outside wall surface).In addition, the turbulent flow in groove causes near rack surface
Dynamic filtration film or epilamellar filming produce irregular reciprocating motion by a small margin, in time to dynamic filtration film or
Person time filming is cleaned, and the pollution of film is controlled in real time, it is to avoid film is by dirt contamination.
The internal face of the side wall of adjacent laminates is not concordant, i.e. the diameter of water-dilution channel is inconsistent, produce change, then after filtering
Fluid when being flowed in water-dilution channel in rack body, when passage is changed into minor diameter from major diameter suddenly, due to fluid
Transient change of pressure differential etc., segment fluid flow can produce backflow active force, further strengthen ditch along the clearance backflow between lamination
Turbulent flow at groove, so that further to dynamic filtration film or epilamellar filming formation support and cleaning action.
Support member is provided between adjacent laminates, makes that there is enough gaps between adjacent laminates, also ensure that ditch simultaneously
The width of groove, and then ensure that stronger turbulent flow can be produced at groove so that dynamic filtration film or secondary filming can be protected
Hold the setpoint distance near distance bracket outside wall surface；The girth of the lateral wall of lamination above is more than underlying folded
The girth of the lateral wall of piece, and hydraulic pressure of the hydraulic pressure less than lower section of top, it is ensured that flow through the flux of the fluid of each annular gap
It is identical, and then dynamic filtration film or epilamellar filming near rack surface are consistent so that on filter membrane
The filter effect of lower section is consistent.
It should be noted that when the thickness and compactness of filter membrane are not up to preset value, filter membrane can not be to pollution
Fluid is effectively filtered, and now flows through fluid of the fluid of laminate surface for pollution；When the thickness and compactness of filter membrane
When reaching preset value, the fluid of pollution can effectively be filtered, after now flowing through the fluid of laminate surface for filtering
Clean fluid.
In another specific example of the present invention, as shown in figure 3, dynamic filtration membrane support body 1 is hollow cylinder
106, the hollow composition water-dilution channel 103 of cylinder 106 offers multiple gaps 104 through column side wall on column side wall, and
The girth of the lateral wall of cylinder above is more than the underlying girth for crossing cylinder lateral wall, is conducive in upper and lower
In the presence of different hydraulic pressure, each gap keeps water-flowing amount consistent.
Further, as shown in figure 3, the outside wall surface of the side wall of cylinder is not concordant, the internal face of column side wall is not concordant.
The outside wall surface of column side wall is not concordant, makes to form groove at the outside wall surface of dynamic filtration membrane support, fluid flows through ditch
Under the collective effect that the turbulent flow in the trench of the particle in turbulent flow, fluid and body fluid flowing can be formed during groove at groove,
At the setpoint distance for resting on distance bracket body outer wall face, dynamic filtration film is formed, or make particle directly in basement membrane (by propping up
The support of frame outside wall surface) on form time filming, and turbulent flow makes dynamic filtration film or epilamellar filming produce by a small margin
It is irregular to move back and forth, dynamic filtration film or secondary filming are cleaned, it is to avoid film is by dirt contamination；Column side wall it is interior
Wall is not concordant, then when the fluid after filtering flows in the water-dilution channel in rack body, fluid can be along between lamination
Gap flows back, the turbulent flow at reinforcing groove, so as to further be supported and clear to dynamic filtration film or epilamellar filming formation
Clean effect.
The embodiment of another aspect of the present invention provides a kind of filter, as shown in figure 4, including tank body 2 and above-mentioned
Dynamic filtration membrane support 1 in one embodiment, dynamic filtration membrane support 1 is arranged in tank body 2, and with any of the above-described embodiment
In dynamic filtration membrane support whole beneficial effects.
To sum up, the dynamic filtration membrane support that provides of the present invention, the dynamic filtration membrane support above by setting it is outer
The girth of side wall is more than the girth of the lateral wall of underlying dynamic filtration membrane support, that is, sets the gap of lower section hydraulic pressure general goal
Cross water sectional area it is small, the gap at the small place of top hydraulic pressure cross water sectional area it is big so that hydraulic pressure and cross water sectional area it is common
Under effect, the water amount of each gap location is consistent on dynamic filtration membrane support, is conducive to the shapes such as macromolecular substances, particle in fluid
Into dynamic filtration film, and keep the stabilization of dynamic filtration film.
In the present invention, term " multiple " refers to two or more.
In description of the invention, it is to be understood that the orientation or position relationship of the instruction such as term " on ", " under " be based on
Orientation shown in the drawings or position relationship.
In the description of this specification, the description of term " one embodiment ", " some embodiments ", " specific embodiment " etc.
Mean that combining the embodiment or specific features, structure, material or the feature of example description is contained at least one reality of the invention
Apply in example or example.In this manual, identical embodiment or reality are not necessarily referring to the schematic representation of above-mentioned term
Example.Moreover, description specific features, structure, material or feature can in any one or more embodiments or example with
Suitable mode is combined.
The preferred embodiments of the present invention are these are only, are not intended to limit the invention, for those skilled in the art
For member, the present invention can have various modifications and variations.Any modification within the spirit and principles of the invention, being made,
Equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (10)
1. a kind of dynamic filtration membrane support, it is characterised in that including dynamic filtration membrane support body, the dynamic filtration membrane support
The inside of body offers and offers multiple confessions on the water-dilution channel of upper end open, the side wall of the dynamic filtration membrane support body
The gap that fluid flows through, each gap is horizontally disposed, and is connected with the water-dilution channel, it is multiple it is described between
Gap is vertically arranged, and the girth of the lateral wall of the dynamic filtration membrane support body above is more than and is located at lower section
The dynamic filtration membrane support body lateral wall girth, the water sectional area crossed in the gap above is more than position
Water sectional area excessively in the gap of lower section.
2. dynamic filtration membrane support according to claim 1, it is characterised in that
The gap is along the circumferentially disposed annular gap of the side wall of the dynamic filtration membrane support body.
3. dynamic filtration membrane support according to claim 2, it is characterised in that
Along direction straight up, the girth of the lateral wall of the dynamic filtration membrane support body gradually increases from bottom to top.
4. dynamic filtration membrane support according to claim 2, it is characterised in that
The dynamic filtration membrane support body includes being equipped with multiple gaps on many sub- bodies, each sub- body,
And along direction straight up, the girth of the lateral wall of the different sub- bodies gradually increases from bottom to top.
5. dynamic filtration membrane support according to any one of claim 1 to 4, it is characterised in that
The height in the gap above is more than the height in the underlying gap.
6. dynamic filtration membrane support according to any one of claim 1 to 4, it is characterised in that the dynamic filtration film
Rack body includes：
Multiple laminations stacked successively, the lamination is internally provided with through hole, the through hole connection structures of multiple laminations
Into the water-dilution channel, support member is provided between the adjacent lamination, fluid stream is supplied so as to be formed between the adjacent lamination
The gap crossed, and the girth of the lateral wall of the lamination above is more than the lateral wall of the underlying lamination
Girth；
Sealing plate, the sealing plate is located at the lower end of the dynamic filtration membrane support body, and seals under the water-dilution channel
End；With
Multiple laminations and the sealing plate are linked together and constitute the dynamic filtration film branch by connector, the connector
Frame body.
7. dynamic filtration membrane support according to claim 6, it is characterised in that
The outside wall surface of the side wall of the adjacent lamination is not concordant；And/or
The internal face of the side wall of the adjacent lamination is not concordant.
8. dynamic filtration membrane support according to any one of claim 1 to 4, it is characterised in that
The dynamic filtration membrane support body is hollow cylinder, the hollow composition water-dilution channel of the cylinder, institute
State and multiple gaps through the column side wall are offered on column side wall.
9. dynamic filtration membrane support according to claim 8, it is characterised in that
The outside wall surface of the column side wall is not concordant；And/or
The internal face of the column side wall is not concordant.
10. a kind of filter, it is characterised in that including tank body and dynamic filtration as claimed in any one of claims 1-9 wherein
Membrane support, the dynamic filtration membrane support is arranged in the tank body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410666148.9A CN105664570B (en) | 2014-11-19 | 2014-11-19 | Dynamic filtration membrane support and filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410666148.9A CN105664570B (en) | 2014-11-19 | 2014-11-19 | Dynamic filtration membrane support and filter |
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| Publication Number | Publication Date |
|---|---|
| CN105664570A CN105664570A (en) | 2016-06-15 |
| CN105664570B true CN105664570B (en) | 2017-10-17 |
Family
ID=56957222
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410666148.9A Active CN105664570B (en) | 2014-11-19 | 2014-11-19 | Dynamic filtration membrane support and filter |
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| Country | Link |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4246122A (en) * | 1977-11-15 | 1981-01-20 | English Clays Lovering Pochin & Co. Ltd. | Prefilt directing impermeable membrane of varying force exertion |
| CN101555047A (en) * | 2008-04-08 | 2009-10-14 | 曹达文 | Dynamic membrane support body and component for realizing water supply/sewage water treatment |
| CN203075714U (en) * | 2012-12-11 | 2013-07-24 | 新疆农业大学 | Dynamic filter aid unit and ceramic membrane filter unit thereof |
| CN204337886U (en) * | 2014-11-19 | 2015-05-20 | 北京克达思科技有限公司 | Filtration membrane cartridge and filter |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5328084A (en) * | 1976-08-26 | 1978-03-15 | Nitto Electric Ind Co Ltd | Semipermeable membrane supporting tube |
-
2014
- 2014-11-19 CN CN201410666148.9A patent/CN105664570B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4246122A (en) * | 1977-11-15 | 1981-01-20 | English Clays Lovering Pochin & Co. Ltd. | Prefilt directing impermeable membrane of varying force exertion |
| CN101555047A (en) * | 2008-04-08 | 2009-10-14 | 曹达文 | Dynamic membrane support body and component for realizing water supply/sewage water treatment |
| CN203075714U (en) * | 2012-12-11 | 2013-07-24 | 新疆农业大学 | Dynamic filter aid unit and ceramic membrane filter unit thereof |
| CN204337886U (en) * | 2014-11-19 | 2015-05-20 | 北京克达思科技有限公司 | Filtration membrane cartridge and filter |
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| Publication number | Publication date |
|---|---|
| CN105664570A (en) | 2016-06-15 |
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Effective date of registration: 20160905 Address after: 201900 5505-M room, No. 1508, Mudanjiang Road, Shanghai, Baoshan District Applicant after: Shanghai samyo Fluid Technology Co. Ltd. Address before: 100006 Beijing city Dongcheng District Wangfujing Street No. 8 Macao Center Room 802 Applicant before: AOYUAN TECHNOLOGY CO., LTD. |
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