CN204338024U - For the forward osmosis membrane group of filtering fluid - Google Patents
For the forward osmosis membrane group of filtering fluid Download PDFInfo
- Publication number
- CN204338024U CN204338024U CN201420709277.7U CN201420709277U CN204338024U CN 204338024 U CN204338024 U CN 204338024U CN 201420709277 U CN201420709277 U CN 201420709277U CN 204338024 U CN204338024 U CN 204338024U
- Authority
- CN
- China
- Prior art keywords
- filter bores
- permeable formation
- osmosis membrane
- forward osmosis
- membrane group
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The utility model provides a kind of forward osmosis membrane group for filtering fluid, comprise: there is the first filter bores (116) respectively, first permeable formation (106) of the second filter bores (114) and the 3rd filter bores (112), second permeable formation (104) and the 3rd permeable formation (102), first filter bores (116), second filter bores (114) and the 3rd filter bores (116) are evenly distributed in respective permeable formation respectively, wherein, first permeable formation (106), second permeable formation (104) and the 3rd permeable formation (102) mutually stacked successively, and along passing the first permeable formation (106) successively, the direction of the second permeable formation (104) and the 3rd permeable formation (102), first filter bores (116), successively decrease successively in the aperture of the second filter bores (114) and the 3rd filter bores (116).The purpose of this utility model is to provide one to have uniform filtering effect and osmotic efficiency and the better forward osmosis membrane group of separating power.
Description
Technical field
The utility model relates to a kind of forward osmosis membrane group for filtering fluid.
Background technology
At present, positive infiltration technology is developed widely.So-called positive infiltration technology refers to water flows to lower water chemistry gesture (or comparatively hyperosmosis) side region by permselectivity membrane process from higher water chemistry gesture (or comparatively Hyposmolality) side region.
In some cases, having started consideration makes CNT (CNT) be combined with by fluid separation applications with permeable membrane.This film depends on the distinguished transmission characteristic of fluid through nanotube usually to improve performance.But the permeable membrane with CNT (CNT) still has lower osmotic efficiency.Important reason is that CNT irrational arrangement and the caliber in different layers in permeable membrane constrains osmotic efficiency and separating power.
In addition, forward osmosis membrane filter efficiency of the prior art is not very high, and the filter effect of forward osmosis membrane may be caused uneven due to the problem of selection.
Utility model content
For Problems existing in correlation technique, the purpose of this utility model is to provide one to have uniform filtering effect and osmotic efficiency and the better forward osmosis membrane group of separating power.
For achieving the above object, the utility model provides a kind of forward osmosis membrane group for filtering fluid, comprise: there is the first filter bores respectively, first permeable formation of the second filter bores and the 3rd filter bores, second permeable formation and the 3rd permeable formation, first filter bores, second filter bores and the 3rd filter bores are evenly distributed in respective permeable formation respectively, wherein, first permeable formation, second permeable formation and the 3rd permeable formation mutually stacked successively, and along passing the first permeable formation successively, the direction of the second permeable formation and the 3rd permeable formation, first filter bores, successively decrease successively in the aperture of the second filter bores and the 3rd filter bores.
According to the utility model, the first filter bores, the second filter bores and the 3rd filter bores are respectively the through hole running through respective permeable formation,
Wherein, the first filter bores, the second filter bores are identical with the bearing of trend of the 3rd filter bores.
According to the utility model, the first filter bores, the second filter bores and the through hole structure of the 3rd filter bores all for being made up of CNT.
According to the utility model, the thickness of the first permeable formation, the second permeable formation and the 3rd permeable formation successively decreases successively.
According to the utility model, the first permeable formation is made up of the latticed tissue layer evenly offering the first filter bores.
According to the utility model, the first permeable formation has first surface and second surface, first surface and the second permeable formation stacked, second surface is coated with at least one deck anti-pollution layer.
Advantageous Effects of the present utility model is:
In forward osmosis membrane group of the present utility model, first, second, and third filter bores is evenly distributed in respective permeable formation respectively, therefore the utility model is made to treat filtrate (such as, water to be filtered etc.) when filtering, thing to be filtered can be evenly distributed in each permeable formation, and the filter effect of each permeable formation is more even.In addition, successively decrease successively in the aperture of first, second, and third filter bores, forward osmosis membrane set constructor of the present utility model can be made to become multilayer filtration step by step, thus the to be filtered thing of forward osmosis membrane group to different-grain diameter is filtered respectively, therefore forward osmosis membrane group filter effect of the present utility model is better, improves osmotic efficiency and the separating power of forward osmosis membrane group.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the utility model forward osmosis membrane group.
Detailed description of the invention
Referring now to accompanying drawing, forward osmosis membrane group of the present utility model is described.
As shown in Figure 1, be the schematic diagram of the utility model forward osmosis membrane group.This forward osmosis membrane group comprises: have the first permeable formation 106, second permeable formation 104 of the first filter bores 116, second filter bores 114 and the 3rd filter bores 112 and the 3rd permeable formation 102, first filter bores 116, second filter bores 114 and the 3rd filter bores 116 respectively and be evenly distributed in respectively in respective permeable formation.In other words, the first filter bores 116 is evenly distributed in the first permeable formation 106, and the second filter bores 114 is evenly distributed in the second permeable formation 104, and the 3rd filter bores 112 is evenly distributed in the 3rd permeable formation 102.
Therefore make the utility model treat filtrate (such as, water to be filtered etc.) filter time, thing to be filtered can be evenly distributed in each permeable formation, and the filter effect of each permeable formation is more even.
Further, first permeable formation 106, second permeable formation 104 and the 3rd permeable formation 102 mutually stacked successively, and along passing the direction of the first permeable formation 106, second permeable formation 104 and the 3rd permeable formation 102 successively, successively decrease successively in the aperture of the first filter bores 116, second filter bores 114 and the 3rd filter bores 116.In other words, the aperture of the first filter bores 116 is greater than the aperture of the second filter bores 114, and the aperture of the second filter bores 114 is greater than the aperture of the 3rd filter bores 116.The beneficial effect so brought is, successively decrease successively in the aperture of first, second, and third filter bores, forward osmosis membrane set constructor of the present utility model can be made to become multilayer filtration step by step, thus the to be filtered thing of forward osmosis membrane group to different-grain diameter is filtered respectively, therefore forward osmosis membrane group filter effect of the present utility model is better.
Continue with reference to Fig. 1, the first filter bores 116, second filter bores 114 and the 3rd filter bores 116 are respectively the through hole running through respective permeable formation.In other words, the first filter bores 116 is for running through the through hole of the first permeable formation 106, and the second filter bores 114 is for running through the through hole of the second permeable formation 104, and the 3rd filter bores 112 is for running through the through hole of the 3rd permeable formation 102.
In the present embodiment, the first filter bores 116, second filter bores 114 is identical with the bearing of trend of the 3rd filter bores 116.In other embodiment, the bearing of trend of above-mentioned three filter bores also can be different.Should be appreciated that the bearing of trend of above-mentioned filter bores identical be most preferred embodiment, now the flow velocity of forward osmosis membrane group can correspondingly be increased to the highest.And in a more preferred embodiment, the first filter bores 116, second filter bores 114 and the 3rd filter bores 116 can be mutually corresponding, to improve the flow velocity of forward osmosis membrane group.
Continue with reference to Fig. 1, in an optional embodiment, the first filter bores 116, second filter bores 114 and the 3rd filter bores 116 can through hole structures all for being made up of CNT.Certainly should be appreciated that filter bores also can adopt other materials to make, this can determine according to concrete service condition, and the utility model is not limited to this.In the present embodiment, CNT provides the permeability of enhancing to each permeable formation, defines the distribution of filter bores opening size, provides enhancing mechanical performance, and determine the repellency of film.
Continue with reference to Fig. 1, in a preferred embodiment, the thickness of the first permeable formation 106, second permeable formation 104 and the 3rd permeable formation 102 successively decreases successively.Preferably, the thickness of the second permeable formation 104 is from about 100nm to about 100 μm.Preferably, the thickness of the 3rd permeable formation 102 is from about 0.3nm to about 500nm.Certainly should be appreciated that the thickness of the first and second permeable formations can be determined according to concrete service condition, the utility model is not limited to this.
Continue with reference to Fig. 1, the first permeable formation 106 is made up of the latticed tissue layer evenly offering the first filter bores 116.Optional tissue layer is bafta, wool fabric, silk fabrics, dacron such as.Certainly should be appreciated that and can determine according to concrete service condition the selection of the first permeable formation 106, the utility model is not limited to this.
In addition, in an alternate embodiment of the invention, the first permeable formation 106 has first surface and second surface, first surface and the second permeable formation 104 stacked, second surface is coated with at least one deck anti-pollution layer.This anti-pollution layer has and prevents the contaminated function of forward osmosis membrane group.
It should be noted that, in a preferred embodiment, the 3rd permeable formation 102 can be the fluid separation applications layer be separated for solvent/solute.For being separated out by solvent in just permeating, and solute retention gets off.
In use, as shown in Figure 1, thing 108 to be infiltrated first passes from the first filter bores 116 of the first permeable formation 106 forward osmosis membrane group of the present utility model, and the particulate that particle diameter is larger than the aperture of the first filter bores 116 is stayed outside film.Then pass from the second filter bores 114 of the second permeable formation 104, the particulate that particle diameter is larger than the aperture of the second filter bores 114 is stayed outside the second permeable formation 104.Finally, solvent passes from the 3rd filter bores 112 of the 3rd permeable formation 102, and solute is greater than the aperture of the 3rd filter bores 112 due to particle diameter and is trapped within the outside of the 3rd permeable formation.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (6)
1. the forward osmosis membrane group for filtering fluid, is characterized in that, comprising:
There is first permeable formation (106) of the first filter bores (116), the second filter bores (114) and the 3rd filter bores (112), the second permeable formation (104) and the 3rd permeable formation (102) respectively, described first filter bores (116), described second filter bores (114) and described 3rd filter bores (116) are evenly distributed in respective permeable formation respectively
Wherein, described first permeable formation (106), described second permeable formation (104) and described 3rd permeable formation (102) are mutually stacked successively, and along successively through the direction of described first permeable formation (106), described second permeable formation (104) and described 3rd permeable formation (102), successively decrease successively in the aperture of described first filter bores (116), described second filter bores (114) and described 3rd filter bores (116).
2. forward osmosis membrane group according to claim 1, is characterized in that,
Described first filter bores (116), described second filter bores (114) and described 3rd filter bores (116) are respectively the through hole running through respective permeable formation,
Wherein, described first filter bores (116), described second filter bores (114) are identical with the bearing of trend of described 3rd filter bores (116).
3. forward osmosis membrane group according to claim 1, is characterized in that,
Described first filter bores (116), described second filter bores (114) and the through hole structure of described 3rd filter bores (116) all for being made up of CNT.
4. forward osmosis membrane group according to claim 1, is characterized in that,
The thickness of described first permeable formation (106), described second permeable formation (104) and described 3rd permeable formation (102) successively decreases successively.
5. forward osmosis membrane group according to claim 1, is characterized in that,
Described first permeable formation (106) is made up of the latticed tissue layer evenly offering described first filter bores (116).
6. forward osmosis membrane group according to claim 1, is characterized in that,
Described first permeable formation (106) has first surface and second surface, described first surface and described second permeable formation (104) stacked, described second surface is coated with at least one deck anti-pollution layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420709277.7U CN204338024U (en) | 2014-11-21 | 2014-11-21 | For the forward osmosis membrane group of filtering fluid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420709277.7U CN204338024U (en) | 2014-11-21 | 2014-11-21 | For the forward osmosis membrane group of filtering fluid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204338024U true CN204338024U (en) | 2015-05-20 |
Family
ID=53221328
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420709277.7U Active CN204338024U (en) | 2014-11-21 | 2014-11-21 | For the forward osmosis membrane group of filtering fluid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204338024U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105016504A (en) * | 2015-07-14 | 2015-11-04 | 无锡市绿之星环保有限公司 | Multi-layer oil-water separator and working method therefor |
-
2014
- 2014-11-21 CN CN201420709277.7U patent/CN204338024U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105016504A (en) * | 2015-07-14 | 2015-11-04 | 无锡市绿之星环保有限公司 | Multi-layer oil-water separator and working method therefor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105644085B (en) | MULTILAYER COMPOSITE nano fibrous membrane and its application | |
| Zhang et al. | Taro leaf-inspired and superwettable nanonet-covered nanofibrous membranes for high-efficiency oil purification | |
| CN105392544B (en) | Gradient nano fiber filter media | |
| JP2017529994A5 (en) | ||
| CA2930771C (en) | Soil-treatment system, geocomposite for such a system, and soil consolidation method | |
| JP2008518780A5 (en) | ||
| JP2018525225A5 (en) | ||
| CN104379233A (en) | Multilayer filter media | |
| CN204338024U (en) | For the forward osmosis membrane group of filtering fluid | |
| US8257591B2 (en) | Methodology for filtering a fluid using a plurality of surface filtration mediums | |
| KR101413303B1 (en) | Filter with integrated oil-water separator for ships | |
| CN206345699U (en) | A kind of multistage composite supermicro filtration membrane filter core with long-acting backwashing function | |
| WO2015028531A3 (en) | Filter material, filter element, and a method and device for producing a filter material | |
| CN203060970U (en) | Superfine one-felt two-membrane needle punched filter material | |
| CN103157384B (en) | Multilayer hollow fiber film | |
| Zhang et al. | Absolute film separation of dyes/salts and emulsions with a superhigh water permeance through graded nanofluidic channels | |
| CN203469665U (en) | PPS (polyphenylene sulfite) and PTFE (polytetrafluoroethylene) composite needle-punched felt | |
| CN207324517U (en) | A kind of filter membrane and its membrane component | |
| CN204582764U (en) | A kind of dust removal and filtration cloth | |
| CN202343109U (en) | Sintering pipe type ultra-filtering film | |
| BR112018076099A2 (en) | silt fence set to capture pollutants | |
| TWI661863B (en) | Multilayer composite membrane | |
| JP2016112520A (en) | Multilayer structure filter and filter device using the same | |
| CN207025094U (en) | A kind of composite nanometer filtering film | |
| CN104383751A (en) | Stiffening filter material structure for high-temperature-resistant filter drum |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |