CN207169436U - A kind of filter membrane - Google Patents
A kind of filter membrane Download PDFInfo
- Publication number
- CN207169436U CN207169436U CN201720922875.6U CN201720922875U CN207169436U CN 207169436 U CN207169436 U CN 207169436U CN 201720922875 U CN201720922875 U CN 201720922875U CN 207169436 U CN207169436 U CN 207169436U
- Authority
- CN
- China
- Prior art keywords
- filter
- miillpore
- miillpore filter
- membrane
- opening
- 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 is applied to filter utility technical field, there is provided a kind of filter membrane, including the second miillpore filter of the first miillpore filter of first layer and the second layer, first miillpore filter and second miillpore filter superposition；The filter opening pore size of first miillpore filter is 1 micron to 8 microns, and the filter opening pore size of second miillpore filter is 0.22 micron or 0.45 micron.Filter membrane provided by the utility model uses double-decker, and bulky grain is hindered into the first miillpore filter in first layer in filtering, and little particle hinders the second miillpore filter in the second layer, is not easily blocked, and filter efficiency is high, greatlys save filtration time.
Description
Technical field
The utility model belongs to filter utility technical field, more particularly to a kind of filter membrane.
Background technology
In application of membrane separation technology, miillpore filter is a kind of most wide film kind of application, uses simple and fast, quilt
It is widely used in the various fields such as scientific research, food inspection, chemical industry, nanometer technology, the energy and environmental protection.The use of present miillpore filter
All it is to filter more pure mobile phase solvent as a rule, is directly filtered using small-bore filter membrane, but existing use
When small-bore filter membrane directly filters, easily block, filter efficiency is low, filtration time length.
Utility model content
The purpose of this utility model is to provide a kind of filter membrane, it is intended to it is easy in filtering to solve existing small-bore filter membrane
Block, the problem of filter efficiency is low, filtration time is long.
To achieve the above object, the technical solution adopted in the utility model is：A kind of filter membrane is provided, includes the of first layer
Second miillpore filter of one miillpore filter and the second layer, first miillpore filter and second miillpore filter superposition；It is described
The filter opening pore size of first miillpore filter is 1 micron to 8 microns, and the filter opening pore size of second miillpore filter is 0.22
Micron or 0.45 micron.
Further, first miillpore filter is identical with the material of second miillpore filter.
Further, first miillpore filter is identical and equal in magnitude with the shape of second filter membrane.
Further, the filter opening of first miillpore filter is straight pass filter opening or tapered bore type filter opening.
Further, the filter opening of second miillpore filter is straight pass filter opening or tapered bore type filter opening.
Further, second miillpore filter is poly tetrafluoroethylene, poly (ether sulfone) film, cellulose mixture film, nylon membrane
Or polyvinylidene fluoride film.
Further, first miillpore filter and the mode of second miillpore filter superposition are overall fitting or edge
Fitting.
Further, the shape of first miillpore filter and second miillpore filter is circle.
Existing beneficial effect is the utility model embodiment compared with prior art：A kind of filter membrane of the utility model is in mistake
Bulky grain is hindered in first layer miillpore filter during filter, little particle is hindered in second layer miillpore filter, is not easily blocked, and filter efficiency
Height, greatly save filtration time.
Brief description of the drawings
Fig. 1 is a kind of section mplifying structure schematic diagram for filter membrane that the utility model embodiment provides.
Fig. 2 is a kind of overall structure diagram for filter membrane that the utility model embodiment provides.
In figure：1st, the first miillpore filter；2nd, the second miillpore filter；3rd, the filter opening of the first miillpore filter；4th, the second micropore is filtered
The filter opening of film.
Embodiment
In order that technical problem to be solved in the utility model, technical scheme and beneficial effect are more clearly understood, with
Lower combination drawings and Examples, the utility model is further elaborated.It is it should be appreciated that described herein specific real
Example is applied only to explain the utility model, is not used to limit the utility model.
Also referring to Fig. 1 and Fig. 2, now a kind of filter membrane provided by the utility model is illustrated.The filter membrane includes
First miillpore filter 1 of first layer and the second miillpore filter 2 of the second layer, first miillpore filter 1 and second micropore
Filter membrane 2 is superimposed；The pore size of filter opening 3 of first miillpore filter is 1 micron to 8 microns, the filter of second miillpore filter
The pore size of hole 4 is 0.22 micron or 0.45 micron.
Further, first miillpore filter 1 is identical with the material of second miillpore filter 2.Miillpore filter according to
Filtrate systems are divided into organic phase filter membrane and aqueous phase filter membrane, and organic phase filter membrane is used to filter organic phase solution, in filtering solution
Flow velocity it is very low in addition without filtering, and aqueous phase filter membrane can only filtering solution, filter organic phase solution when, filter membrane can be molten
Solution, forbids to use high performance liquid chromatography dissolved with the solution of filter membrane（HPLC）Detected, in addition, the miillpore filter of unlike material
The acid-base property of filtrate is also required, to ensure the normal use and filter effect of filter membrane, the first miillpore filter 1 should with it is second micro-
Hole filter membrane 2 uses material of the same race.
Further, first miillpore filter 1 is identical and equal in magnitude with the shape of second miillpore filter 2.
Further, when ensureing that the first miillpore filter and the second miillpore filter are superimposed, the first miillpore filter 1 is without departing from the
In the case of the border of two miillpore filter 2, can adjust according to demand the first miillpore filter 1 and the second miillpore filter 2 shape and
Size.
Further, the filter opening 3 of first miillpore filter is straight pass filter opening or tapered bore type filter opening.
Further, the filter opening 4 of second miillpore filter is straight pass filter opening or tapered bore type filter opening.
Further, straight pass and tapered bore type are divided into according to the difference of manufacturing process, the filter opening type of conventional miillpore filter,
Tapered bore type miillpore filter can improve filtrate flow velocity relative to straight pass miillpore filter, reduce and block probability, but in the present embodiment
In, the filter opening type of the first miillpore filter 1 and the second miillpore filter 2 is identical or different, relative to the miillpore filter of single layer structure,
All have and be not easily blocked the beneficial effect high with filter efficiency.
Further, second miillpore filter 2 is poly tetrafluoroethylene（PTFE）, poly (ether sulfone) film（PES）, composite fibre
Plain film（MCM）, nylon membrane（NYLON）Or polyvinylidene fluoride film（PVDF）.
Further, second miillpore filter 2 is not limited to above-mentioned six kinds of miillpore filters, can also be answered according to actual
With the miillpore filter of selection other materials.
Further, first miillpore filter 1 and the mode of second miillpore filter 2 superposition are overall fitting or side
Edge is bonded.Overall fitting and edge fitting are two kinds of processing modes to two layers of miillpore filter, can be selected according to actual conditions
Processing mode, it should be noted that during processing and ensure that the reverse side of the first miillpore filter 1 and the front of the second miillpore filter 2 are bonded,
Overall fitting and edge fitting can realize the beneficial effects of the utility model.
Further, the shape of first miillpore filter 1 and second miillpore filter 2 is circle.
Further, the shape of first miillpore filter 1 and second miillpore filter 2 is not limited to circle, also
Other shapes can be adjusted to as needed.
The filtration experiment for single layer structure filter membrane and double-decker filter membrane is illustrated below.
Experiment 1：
Using the PVPP that particle diameter is larger（PVPP）The aqueous solution uses circular single layer structure as filtrate
Cellulose mixture（MCM）Miillpore filter, aperture are 0.45 μm, a diameter of 50mm, and filtrate is filtered using Suction filtration device,
The model MZ 2C NT produced using German VACUUBRAND companies chemical membrane pump extracts end vacuum to bottle,suction, absolutely
Pressure is stable to need 12.5min in 7mbar, the collection 50mL aqueous solution.
Under these experimental conditions, filter membrane is changed into the cellulose mixture of Double Layer Circular structure（MCM）Miillpore filter, first
The filter opening pore size of layer miillpore filter is 3 μm, and the filter opening pore size of second layer miillpore filter is 0.45 μm, a diameter of
50mm, above-mentioned experiment is repeated, collecting the 50mL aqueous solution only needs 5min.
Experiment 2：
Using the less PVPP of particle diameter（PVPP）The aqueous solution uses circular single layer structure as filtrate
Cellulose mixture（MCM）Miillpore filter, aperture are 0.45 μm, a diameter of 50mm, and filtrate is filtered using Suction filtration device,
The model MZ 2C NT produced using German VACUUBRAND companies chemical membrane pump extracts end vacuum to bottle,suction, absolutely
Pressure is stablized in 7mbar, and when being filtered, filter membrane moment is just blocked, and is filtered substantially without solution.
Under these experimental conditions, filter membrane is changed into the cellulose mixture of Double Layer Circular structure（MCM）Miillpore filter, first
The filter opening pore size of layer miillpore filter is 3 μm, and the filter opening pore size of second layer miillpore filter is 0.45 μm, a diameter of
50mm, above-mentioned experiment is repeated, the 50mL aqueous solution is collected into after 20min.
It is not difficult to find out that double-decker filter membrane provided by the utility model is not easily blocked, right by the contrast of above-mentioned experimental data
In particle is larger or the less filtrate of particle, filter efficiency can be greatly improved.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
All any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (5)
- A kind of 1. filter membrane, it is characterised in that：Second miillpore filter of the first miillpore filter and the second layer including first layer, it is described First miillpore filter and second miillpore filter superposition；The filter opening pore size of first miillpore filter is 1 micron to 8 microns, and the filter opening aperture of second miillpore filter is big Small is 0.22 micron or 0.45 micron；First miillpore filter is identical with the material of second miillpore filter；The filter opening of first miillpore filter is straight pass filter opening or tapered bore type filter opening, and the filter opening of second miillpore filter is straight Pass filter opening or tapered bore type filter opening.
- A kind of 2. filter membrane as claimed in claim 1, it is characterised in that：First miillpore filter and second miillpore filter Shape it is identical and equal in magnitude.
- A kind of 3. filter membrane as claimed in claim 1, it is characterised in that：Second miillpore filter is poly tetrafluoroethylene, gathered Ether sulfone film, cellulose mixture film, nylon membrane or polyvinylidene fluoride film.
- A kind of 4. filter membrane as claimed in claim 1, it is characterised in that：First miillpore filter and second miillpore filter The mode of superposition is overall fitting or edge fitting.
- A kind of 5. filter membrane as claimed in claim 1, it is characterised in that：First miillpore filter and second miillpore filter Shape be circle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720922875.6U CN207169436U (en) | 2017-07-27 | 2017-07-27 | A kind of filter membrane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720922875.6U CN207169436U (en) | 2017-07-27 | 2017-07-27 | A kind of filter membrane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207169436U true CN207169436U (en) | 2018-04-03 |
Family
ID=61743769
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720922875.6U Active CN207169436U (en) | 2017-07-27 | 2017-07-27 | A kind of filter membrane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207169436U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108635950A (en) * | 2018-05-25 | 2018-10-12 | 马鞍山纽泽科技服务有限公司 | A kind of novel water quality filter core |
| CN114558397A (en) * | 2022-03-09 | 2022-05-31 | 嘉兴富瑞邦新材料科技有限公司 | Efficient low-resistance opposite-jacking type circular truncated cone pore structure purification material and preparation method thereof |
-
2017
- 2017-07-27 CN CN201720922875.6U patent/CN207169436U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108635950A (en) * | 2018-05-25 | 2018-10-12 | 马鞍山纽泽科技服务有限公司 | A kind of novel water quality filter core |
| CN114558397A (en) * | 2022-03-09 | 2022-05-31 | 嘉兴富瑞邦新材料科技有限公司 | Efficient low-resistance opposite-jacking type circular truncated cone pore structure purification material and preparation method thereof |
| CN114558397B (en) * | 2022-03-09 | 2023-11-14 | 嘉兴富瑞邦新材料科技有限公司 | Efficient low-resistance opposite-top type round platform pore structure purification material and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105644085B (en) | MULTILAYER COMPOSITE nano fibrous membrane and its application | |
| CN101947415B (en) | Combination of electrostatic spinning and electrostatic spraying for preparing nanofibre base composite separation membrane | |
| Zeng et al. | Robust lignin-based aerogel filters: High-efficiency capture of ultrafine airborne particulates and the mechanism | |
| CN101559327B (en) | Nanometre-sized fibre liquid separation composite film and preparation method thereof | |
| CN207169436U (en) | A kind of filter membrane | |
| CN101559326B (en) | Nanofibre hyperfiltration membrane and preparation method thereof | |
| CN109731483A (en) | A kind of various dimensions hydrophobe structure composite nano fibrous membrane and preparation method thereof | |
| US20140076797A1 (en) | Fiber-based filter with nanonet layer and preparation method thereof | |
| CN104014197B (en) | A kind of filter membrane containing dissolvant type nanofiber and preparation method thereof | |
| CN205516894U (en) | Multiple dimensioned, low resistance filtration scavenging material | |
| Liu et al. | Integrated Janus membrane for smart “dual fluid diode’’with multifunctional applications | |
| CN205550058U (en) | Graphite alkene millipore filtration | |
| CN204093323U (en) | Sintering tubular ultra-filtration membrane | |
| CN201855653U (en) | Hollow fiber ultrafiltration membrane capable of recoiling with V-shaped holes | |
| CN201719918U (en) | Multilayer metal fiber nonwoven filter screen | |
| CN112121643B (en) | Composite microporous membrane with asymmetric pore structure and preparation method thereof | |
| CN219441277U (en) | Composite microporous filtering film and device for one-time biological culture | |
| CN207680146U (en) | A kind of multistage Buchner funnel | |
| CN208066145U (en) | A kind of collapsible filter core | |
| CN107051219B (en) | Preparation and application of ionic liquid/graphene oxide gas separation membrane | |
| CN205700171U (en) | A kind of back-washable ring plate film | |
| CN109701396A (en) | A kind of preparation method for the nanofiber crystalline substance filter membrane filtering out dye molecule | |
| CN201988339U (en) | Energy-saving ceramic separation membrane | |
| CN204508960U (en) | A kind of water filtration film prepared based on nuclear pore membrane | |
| CN204322621U (en) | A kind of composite gas filter membrane |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 050000 No. 375 Yuanshi street, Yuanshi County, Shijiazhuang, Hebei Patentee after: Hebei crown Zhuo testing Polytron Technologies Inc Address before: 050000 No. 375 Yuanshi street, Yuanshi County, Shijiazhuang, Hebei Patentee before: Hebei top Detection Technology Co., Ltd. |