CN205948691U - Heavy ion micropore degerming formula filtration membrane - Google Patents
Heavy ion micropore degerming formula filtration membrane Download PDFInfo
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- CN205948691U CN205948691U CN201620896819.5U CN201620896819U CN205948691U CN 205948691 U CN205948691 U CN 205948691U CN 201620896819 U CN201620896819 U CN 201620896819U CN 205948691 U CN205948691 U CN 205948691U
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Abstract
The utility model discloses a heavy ion micropore degerming formula filtration membrane, this filtration membrane by the straight pass heavy ion microporous membrane of the porous material micropore filtration membrane of first layer and the second floor from top to bottom the stack combine into bilayer structure and constitute, porous material micropore filtration membrane's minimum -value aperture is 0.22 micron, the aperture of straight pass heavy ion microporous membrane is 0.01~0.22 micron, because filtration membrane adopts the bilayer structure design, when the filterable liquid of needs or gaseous the bacterium is held back partlyly through after the micro porous filtration of porous material micropore filtration membrane, the bacterium that the surplus was not held back carries out the secondary through straight pass heavy ion microporous membrane to be held back, can guarantee to realize complete filtering to the bacterium of filtering in liquid or the gas, and this structure can improve effect of bacteria elimination greatly, and messenger aseptic filteration effect reaches a hundred per cent.
Description
【Technical field】
The utility model is related to filter membrane technology, especially relates to a kind of heavy ion microporous degerming formula filter membrane.
【Background technology】
Filtration sterilization method is to be removed the bacterium of liquid or air with the method for physics detention, to reach aseptic purpose；Institute
Utensil is the bacteria filter containing micro-aperture.It is mainly used in the thermo-labile biological products such as serum, toxin, antibiotic and air
Degerming, conventional bacteria filter is membrane filter (0.45 μm and 0.22 μm of aperture).
The filter membrane using at present has poly (ether sulfone) film (PES), nylon membrane (NYLON), cellulose mixture film (MCE), acetic acid
Cellulose membrane (CA), polypropylene screen (PP), hydrophilic/hydrophobic poly tetrafluoroethylene (PTFE), hydrophilic/hydrophobic polyvinylidene fluoride film
(PVDF), the porous material microporous barrier such as glass fibre membrane (GF), filter membrane minimum-value aperture is 0.22 μm.
But, it is processed into, due to what above-mentioned barrier film adopted, the processing mode that mode is pulling method, phase inversion or nonwoven,
The hole being formed not is straight hole, and pore size uneven it is difficult to control；Described aperture is average pore size, not all
Minimum-value aperture.
Therefore, in aseptic filtration, because the defect of aperture and pass structure is it is impossible to all filter all of bacterium.
In the urgent need to a kind of degerming formula filter membrane that disposably can all filter bacterium.
【Utility model content】
In order to solve above technical difficulty, the utility model provides one kind to be obtained secondary filter by filter liquid or gas,
Degerming in hgher efficiency, can achieve the heavy ion microporous degerming formula filter membrane to bacterium retention completely.
The utility model be employed technical scheme comprise that：
A kind of degerming formula filter membrane of heavy ion microporous, this filter membrane is by the porous material micropore filtering film and second of ground floor
The straight pass heavy ion microporous membrane of layer is superimposed up and down and is combined into double-decker composition；The minimum of described porous material micropore filtering film
Aperture is 0.22 micron；The aperture of described straight pass heavy ion microporous membrane is 0.01～0.22 micron.
Preferably, described porous material micropore filtering film is by poly (ether sulfone) film (PES), nylon membrane (NYLON), cellulose mixture
Film (MCE), CAM (CA), polypropylene screen (PP), hydrophilic/hydrophobic poly tetrafluoroethylene (PTFE), hydrophilic/hydrophobic gather
The porous material microporous barrier that the one of vinylidene fluoride film (PVDF) or glass fibre membrane (GF) is made.
Preferably, described porous material micropore filtering film is formed by liquid material curing molding or pulling method or nonwoven adds
The porous film material that work mode is formed.
Preferably, described straight pass heavy ion microporous membrane is through heavy ion avcceleration irradiation by macromolecular material, then passes through
The microporous membrane with straight pass that soda acid chemical etching mode processes.
The beneficial effects of the utility model are：
The uniform pore diameter of straight pass heavy ion microporous membrane in the utility model heavy ion microporous degerming formula filter membrane and can
Control, reality can definitely retain to more than particle more than aperture or microorganism, but individual layer heavy ion microporous membrane is due to being straight hole
Structure, can cause plug-hole speed fast, affect liquid or gas flow rate.
The utility model, due to designing using double-decker, passes through porous material micropore when needing the liquid filtering or gas
Filter membrane (PES NYLON MCE CA PP PTFE PVDF GF) micropore filter after, bacterium is trapped a part, and residue does not retain
Bacterium second interception is carried out by straight pass heavy ion microporous membrane it is ensured that in filter liquid or gas bacterium realize
Filter completely, this structure can greatly improve bacteria-eliminating efficacy, so that aseptic filtration effect is reached absolutely.
【Brief description】
Fig. 1 is section view mplifying structure schematic diagram of the present utility model；
Fig. 2 is the real scene shooting figure of the utility model Electronic Speculum section.
【Specific embodiment】
A kind of degerming formula filter membrane of heavy ion microporous, as depicted in figs. 1 and 2, this filter membrane is by the porous material of ground floor
The straight pass heavy ion microporous membrane of micropore filtering film 1 and the second layer is superimposed about 2 and is combined into double-decker composition, straight hole in Fig. 1
On type heavy ion microporous membrane 2, the aperture of uniformly conducting downwards is straight micropore 22；The minimum-value aperture of porous material micropore filtering film 1 is
0.22 micron, the aperture of straight pass heavy ion microporous membrane 2 is 0.01～0.22 micron, and that is, the pore size of straight micropore 22 is 0.01
～0.22 micron.
Wherein, this porous material micropore filtering film 1 is by poly (ether sulfone) film (PES), nylon membrane (NYLON), cellulose mixture film
(MCE), CAM (CA), polypropylene screen (PP), hydrophilic/hydrophobic poly tetrafluoroethylene (PTFE), hydrophilic/hydrophobic gather partially
Fluoride film (PVDF) or glass fibre membrane (GF) first, first being formed or nonwoven by liquid material curing molding or pulling method
The porous film material that processing mode is formed.Described straight pass heavy ion microporous membrane is through heavy ion avcceleration by macromolecular material
Irradiation, then the microporous membrane with straight pass being processed by the chemical etching mode such as soda acid.
By the straight pass heavy ion microporous membrane in the utility model heavy ion microporous degerming formula filter membrane uniform pore diameter and
Controlled, reality can definitely retain to more than particle more than aperture or microorganism, but individual layer heavy ion microporous membrane is due to being straight
Pore structure, can cause plug-hole speed fast, affect liquid or gas flow rate.
The utility model, due to designing using double-decker, passes through porous material micropore when needing the liquid filtering or gas
Filter membrane (PES NYLON MCE CA PP PTFE PVDF GF) micropore filter after, bacterium is trapped a part, and residue does not retain
Bacterium second interception is carried out by straight pass heavy ion microporous membrane it is ensured that in filter liquid or gas bacterium realize
Filter completely, this structure can greatly improve bacteria-eliminating efficacy, so that aseptic filtration effect is reached absolutely.
It is below the citing of the bacterium retention contrast experiment of monofilm and duplicature：
1st, the test result (from 0.22 μm of PES) of existing single layer of porous material is as follows：
Committee's mesh：Bacterium retains
Method：Originally examine ASTM F838-05 method.
Really：
The double-deck test result of the utility model (from 0.2 μm of PET+0.22 μm of PES) is as follows：
Committee's mesh：Bacterium retains
Method：Originally examine ASTM F838-05 method.
Really：
It is not difficult to find out by the contrast of above experimental data, the double-deck filter membrane of the utility model, its strainability reaches
To 100%, far superior to existing single layer of porous material filter membrane.
Embodiment described above is simply preferred embodiment of the present utility model, not limits reality of the present utility model with this
Apply scope, the equivalence changes that all shapes according to the utility model, construction and principle are made, guarantor of the present utility model all should be covered by
In the range of shield.
Claims (4)
1. a kind of degerming formula filter membrane of heavy ion microporous it is characterised in that:
This filter membrane is superimposed up and down by the porous material micropore filtering film of ground floor and the straight pass heavy ion microporous membrane of the second layer
It is combined into double-decker composition；
The minimum-value aperture of described porous material micropore filtering film is 0.22 micron；
The aperture of described straight pass heavy ion microporous membrane is 0.01～0.22 micron.
2. a kind of degerming formula filter membrane of heavy ion microporous according to claim 1 is it is characterised in that described porous material is micro-
Hole filter membrane is by poly (ether sulfone) film, nylon membrane, cellulose mixture film, CAM, polypropylene screen, hydrophilic/hydrophobic polytetrafluoro
The porous material microporous barrier that the one of vinyl film, hydrophilic/hydrophobic polyvinylidene fluoride film or glass fibre membrane is made.
3. the degerming formula filter membrane of a kind of heavy ion microporous according to claim 1 and 2 is it is characterised in that described porous material
The porous film material that material micropore filtering film is formed by liquid material curing molding or pulling method or nonwoven processing mode is formed.
4. the degerming formula filter membrane of a kind of heavy ion microporous according to claim 1 it is characterised in that described straight pass weight from
Sub- microporous barrier is through heavy ion avcceleration irradiation by macromolecular material, then by having that soda acid chemical etching mode processes
The microporous membrane of straight pass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620896819.5U CN205948691U (en) | 2016-08-17 | 2016-08-17 | Heavy ion micropore degerming formula filtration membrane |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620896819.5U CN205948691U (en) | 2016-08-17 | 2016-08-17 | Heavy ion micropore degerming formula filtration membrane |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107983166A (en) * | 2017-12-14 | 2018-05-04 | 晏光明 | A kind of air-filtering membrane and its production technology |
| CN112844049A (en) * | 2020-12-03 | 2021-05-28 | 北京理工大学 | COF film material for membrane distillation seawater desalination and preparation method thereof |
-
2016
- 2016-08-17 CN CN201620896819.5U patent/CN205948691U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107983166A (en) * | 2017-12-14 | 2018-05-04 | 晏光明 | A kind of air-filtering membrane and its production technology |
| CN112844049A (en) * | 2020-12-03 | 2021-05-28 | 北京理工大学 | COF film material for membrane distillation seawater desalination and preparation method thereof |
| CN112844049B (en) * | 2020-12-03 | 2022-05-31 | 北京理工大学 | COF film material for membrane distillation seawater desalination and preparation method thereof |
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