CN208642118U - A kind of folding membrane filter backwashed - Google Patents
A kind of folding membrane filter backwashed Download PDFInfo
- Publication number
- CN208642118U CN208642118U CN201821189658.1U CN201821189658U CN208642118U CN 208642118 U CN208642118 U CN 208642118U CN 201821189658 U CN201821189658 U CN 201821189658U CN 208642118 U CN208642118 U CN 208642118U
- Authority
- CN
- China
- Prior art keywords
- filter
- inner frame
- membrane filter
- filter material
- folding
- 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 has the beneficial effects that the utility model discloses a kind of folding membrane filter that can be backwashed, including outer skeleton, filter material, inner frame, upper end cover and lower cover, upper end cover and lower cover are separately fixed at the upper and lower ends of outer skeleton, filter material and inner frame, outer skeleton surface is provided with diamond hole and slotted eye, and diamond hole is longitudinally alternately arranged with slotted eye, filter material is centered around on the excircle of inner frame after being folded into fin, and inner frame surface is provided with several grid holes.The folding membrane filter described in the utility model backwashed, compared with conventional bowl, service life improves 20~30 times, and pollutant holding capability is significantly improved with flux, and pressure difference reduces, and greatly reduces the loss of frequently replacement filter core.
Description
Technical field
The utility model belongs to solid-liquid separation technique field, and in particular to the folding membrane filter that one kind can backwash.
Background technique
With the enhancing of people's environmental consciousness, the more fine of industry development is filtered.In the prior art, it is wide to fold membrane filter
General to be applied to filtration art, the material of folded membrane mainly has PTFE, PES, PVDF, Nylon etc..But existing folding membrane filtration
For core in carrying out backwash process, folded membrane, which is fluid affected, is easy breakage, while the filter cake backwash for folding film surface is not thorough
Bottom, therefore existing folded membrane filter cartridge construction is not met by the requirement of backwash technique.In addition, being passed in traditional chemical industry
The precision of the non-woven fabrics foldable filter element of system is not high, is not able to satisfy filtering accuracy requirement of the particulate matter diameter between 0.1um-1um,
And common non-woven fabric foldable filter element pollutant holding capability cannot continue to use after reaching saturation, therefore that there are filtering accuracies is poor, filters
The technical problem that precision is low and service life is short.
Utility model content
Technical problem to be solved by the utility model is to provide the filter cores that one kind can backwash, and solve the prior art
The technical issues of middle folding membrane filter cannot be backwashed.
In order to solve the above technical problems, the technical solution adopted in the utility model: the folding membrane filter that one kind can backwash,
It is characterized by comprising outer skeleton, filter material, inner frame, upper end cover and lower cover, the upper end cover and lower cover are solid respectively
The upper and lower ends of outer skeleton, filter material and inner frame are scheduled on, the outer skeleton surface is provided with diamond hole and slotted eye,
And diamond hole is longitudinally alternately arranged with slotted eye, the filter material is centered around on the excircle of inner frame after being folded into fin, institute
It states inner frame surface and is provided with several grid holes.
Preferably, folding angle of the fin at inner frame is 45 ° -65 °.
Preferably, the filter material successively includes outer extrusion net, filter membrane, spinning building and interior by fluid media (medium) approach axis
Squeeze out net.
Preferably, the filter membrane include cellulose esters, polyamide-based, polysulfones, fluorine material class, it is polycarbonate-based,
Any one in polyesters, polyolefins.
Preferably, the long-diagonal length of the diamond hole is 30-40mm, and short diagonal length is 15-25mm.
Preferably, the long axis length of the slotted eye is 25-35mm, minor axis length 10-20mm.
Preferably, several concentric O-ring slots are provided on the upper end cover.
Preferably, pass through hot plate or infrared bonding between the outer skeleton, filter material, inner frame and upper end cover and lower cover
It connects.
The utility model has the beneficial effects that the utility model discloses a kind of folding membrane filter that can be backwashed, including dermoskeleton
Frame, filter material, inner frame, upper end cover and lower cover, upper end cover and lower cover are separately fixed at outer skeleton, filter material and interior
The upper and lower ends of skeleton, outer skeleton surface is provided with diamond hole and slotted eye, and diamond hole longitudinally replaces with slotted eye
Arrangement, filter material are centered around on the excircle of inner frame after being folded into fin, and inner frame surface is provided with several grid holes.This is practical
Novel China and foreign countries' skeleton plays support and protective effect to filter material, during the backwash process, since outer skeleton surface longitudinal is alternately arranged
Diamond hole and slotted eye, the resistance that filter material is subject to during the backwash process is smaller, while fluid passes through dermoskeleton from inside to outside
Flow direction when frame is relatively stable, therefore filter backwash process will not influence the structure of filter material, the knot of filter material after a number of uses
Structure is relatively stable, and then meets filter core recycled for multiple times；
Secondly, the utility model is further ensured that by the folding angle of rationally setting filter material fin in backwash process
The stability of middle filter medium structure, while it being also convenient for the filter cake of removal surface of filter medium, facilitate filter core to utilize again；
Furthermore filter material includes filter membrane in the utility model, and the pollutant carrying capacity of filter material, Jin Erti can be improved in the addition of filter membrane
The filtering accuracy of high filter material.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of folding membrane filter that can be backwashed；
Fig. 2 is schematic diagram in A-A direction in Fig. 1；
Fig. 3 is the enlarged drawing in Fig. 1 at B；
Fig. 4 is the structural schematic diagram of filter material；
Appended drawing reference in figure, the outer skeleton of 1-, 1.1- diamond hole, 1.2- slotted eye；2- filter material, 2.1- squeeze out net outside,
2.2- filter membrane, 2.3- spinning building, 2.4- is interior to squeeze out net；3- inner frame, 3.1- grid hole；4- upper end cover, 4.1-O type ring recess；5-
Lower cover；A- long-diagonal；B- short diagonal；M- long axis；N- short axle；α-folding angle.
Specific embodiment
Below by the technical scheme in the utility model embodiment is clearly and completely described, it is clear that described
Embodiment is only the utility model a part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model
Example, every other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to
The range of the utility model protection.
Embodiment 1:
A kind of folding membrane filter backwashed, as shown in Figure 1-3, include outer skeleton 1, filter material 2, inner frame 3, upper end cover
4 and lower cover 5.Wherein, inner frame 3 is played a supporting role with outer skeleton 1.3 surface of inner frame, which is provided with, several uses fluid
The grid hole 3.1 of disengaging.In the present embodiment, the grid hole shape on inner frame surface is uniform, guarantees fluid in all directions
Flow velocity is consistent.Outer 1 surface of skeleton is provided with diamond hole 1.1 and slotted eye 1.2, and diamond hole 1.1 and slotted eye 1.2 are vertical
To being alternately arranged.I.e. along the longitudinal direction of outer skeleton, the surface perimeter direction first lap of outer skeleton is arranged diamond hole 1.1, and second
Circle setting slotted eye 1.2, is then successively alternately arranged；Or slotted eye is arranged in the surface perimeter direction first lap of outer skeleton
1.2, then the second circle setting diamond hole 1.1 is successively alternately arranged.This kind design can satisfy during the backwash process filter material by
The resistance arrived is smaller, at the same fluid from inside to outside by outer skeleton when flow direction it is relatively stable, therefore filter backwash process is not
It will affect the structure of filter material, i.e. the structure of filter material after a number of uses is relatively stable, and then meets filter core recycled for multiple times.?
It is smaller in order to further decrease the resistance that filter material is subject in backwash process, the long-diagonal a of diamond hole 1.1 in the utility model
Length is 30-40mm, and short diagonal b length is 15-25mm.It is preferred that the long-diagonal a length of diamond hole is 34mm, short diagonal
B length is 18mm.The long axis m length of slotted eye 1.2 is 25-35mm, and short axle n length is 10-
20mm.It is preferred that the long axis m length of slotted eye 1.2 is 30mm, short axle n length is 15mm.
During the backwash process, the stability of filter medium structure is also related with filter medium structure itself.In the utility model, such as scheme
Shown in 4, filter material 2 successively includes outer extrusion net 2.1, filter membrane 2.2, spinning building 2.3 and interior extrusion by fluid media (medium) approach axis
Net 2.4.Outer extrusion net 2.1, filter membrane 2.2, spinning building 2.3 and interior extrusion net 2.4 give a discount to form several wings by corrugating machine
Piece, fin are centered around on the excircle of inner frame.In order to further decrease resistance when fluid in backwash process flows through filter material,
Guarantee that fluid flow direction is stablized, folding angle α of the fin at inner frame is 45 ° -65 ° in the utility model.In the present embodiment
It is preferred that folding angle α of the fin at inner frame is 60 °.It should be noted that the utility model in filter material due to being added
Filter membrane, the addition of filter membrane can be further improved the pollutant carrying capacity of filter material, and then improve the filtering accuracy of filter material.Filter membrane includes fibre
Tie up plain esters, polyamide-based, polysulfones, fluorine material class, polycarbonate-based, polyesters, any one in polyolefins.It is fine
Tie up plain esters such as cellulose diacetate (CA)；Triafol T (CTA)；Nitrocellulose (CN)；Ethyl cellulose (EC)；It is mixed
Condensating fiber element (CN-CA) etc..Wherein film made of cellulose mixture is a kind of common filter membrane of standard.Since pore-forming performance is good
Good, good hydrophilic property, material is easy to get and cost is relatively low, and the film use temperature range is wider.It is polyamide-based such as nylon 6 (PA-6) and
Nylon (PA-66) microporous barrier.This kind also has hydrophilicity, more alkaline-resisting without acidproof, in ketone, phenol, ether and high molecular weight alcohols
In, it is not easy to be corroded.Polysulfones such as polysulfones (PS) and polyether sulfone (PES) microfiltration membranes.Such film has good chemically and hot
Stability, radiation hardness, mechanical strength is higher, and application surface is also relatively wide.
Fluorine material class such as Kynoar (PVDF) and polytetrafluoroethylene film (PTFE).This kind of microfiltration membranes have fabulous
Chemical stability, be suitble to use at high temperature.Especially PTFE film is -40~260 DEG C using temperature and is resistant to strong acid, strong
Alkali and various organic solvents.Polycarbonate and polyesters are mainly used for nucleopore microporous barrier processed.Nucleopore membrane aperture is highly uniform, generally
With a thickness of 5~15um.The porosity of this film only has more than ten percent, because film it is thin thus its fluid the rate of filtration with it is aforementioned several
Film is suitable.The drawing microporous barrier of polyolefins such as polypropylene (PP) and polypropylene (PP) fiber type in-depth filtration film.Such micropore
Film has good chemical stability, can acidproof, alkaline-resisting and various organic solvent.It is cheap.But the distribution of such membrane aperture is wide.
Upper end cover 4 and lower cover 5 are separately fixed at the upper and lower ends of outer skeleton 1, filter material 2 and inner frame 3.And it is outer
Pass through hot plate or infrared welding between skeleton 1, filter material 2, inner frame 3 and upper end cover 4 and lower cover 5.
It is sealed in order to further ensure filter core upper surface and outlet conduit sealing plate compress, in the present embodiment, on upper end cover 4
Setting places O-ring inside O-ring slot 4.1 there are two concentric O-ring slot 4.1.
The folding membrane filter described in the utility model backwashed, compared with conventional bowl, service life improves 20
~30 times, and pollutant holding capability is significantly improved with flux, and pressure difference reduces, and greatly reduces the loss of frequently replacement filter core.
Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to
In this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in variation
Or replacement, it should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should be with the power
Subject to the protection scope that benefit requires.
Claims (8)
1. the folding membrane filter that one kind can backwash, it is characterised in that: including outer skeleton, filter material, inner frame, upper end cover and under
End cap, the upper end cover and lower cover are separately fixed at the upper and lower ends of outer skeleton, filter material and inner frame, the dermoskeleton
Frame surface is provided with diamond hole and slotted eye, and diamond hole is longitudinally alternately arranged with slotted eye, and the filter material is folded into
It is centered around after fin on the excircle of inner frame, the inner frame surface is provided with several grid holes.
2. a kind of folding membrane filter that can be backwashed according to claim 1, it is characterised in that: the fin is close to inner frame
The folding angle at place is 45 ° -65 °.
3. a kind of folding membrane filter that can be backwashed according to claim 1, it is characterised in that: the filter material presses fluid media (medium)
Approach axis successively includes outer extrusion net, filter membrane, spinning building and interior extrusion net.
4. a kind of folding membrane filter that can be backwashed according to claim 3, it is characterised in that: the filter membrane includes cellulose
Esters, polyamide-based, polysulfones, fluorine material class, polycarbonate-based, polyesters, any one in polyolefins.
5. a kind of folding membrane filter that can be backwashed according to claim 1, it is characterised in that: the length of the diamond hole is diagonal
Line length is 30-40mm, and short diagonal length is 15-25mm.
6. a kind of folding membrane filter that can be backwashed according to claim 1, it is characterised in that: the long axis of the slotted eye
Length is 25-35mm, minor axis length 10-20mm.
7. a kind of folding membrane filter that can be backwashed according to claim 1, it is characterised in that: be provided on the upper end cover
Several concentric O-ring slots.
8. a kind of folding membrane filter that can be backwashed according to claim 1, it is characterised in that: the outer skeleton, filter material, interior
Pass through hot plate or infrared welding between skeleton and upper end cover and lower cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821189658.1U CN208642118U (en) | 2018-07-25 | 2018-07-25 | A kind of folding membrane filter backwashed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821189658.1U CN208642118U (en) | 2018-07-25 | 2018-07-25 | A kind of folding membrane filter backwashed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208642118U true CN208642118U (en) | 2019-03-26 |
Family
ID=65786326
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821189658.1U Active CN208642118U (en) | 2018-07-25 | 2018-07-25 | A kind of folding membrane filter backwashed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208642118U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109289383A (en) * | 2018-07-25 | 2019-02-01 | 上海闰铭精密技术有限公司 | A kind of folding membrane filter backwashed |
| CN110448952A (en) * | 2019-09-10 | 2019-11-15 | 飞潮(上海)环境技术有限公司 | A kind of novel polyether sulfone filter core |
| CN110523168A (en) * | 2019-09-29 | 2019-12-03 | 新昌县泉道智能科技有限公司 | A kind of combined type easy to clean air filtering core |
| CN112807766A (en) * | 2021-02-07 | 2021-05-18 | 飞潮(上海)环境技术有限公司 | Novel cellulose filter element |
-
2018
- 2018-07-25 CN CN201821189658.1U patent/CN208642118U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109289383A (en) * | 2018-07-25 | 2019-02-01 | 上海闰铭精密技术有限公司 | A kind of folding membrane filter backwashed |
| CN110448952A (en) * | 2019-09-10 | 2019-11-15 | 飞潮(上海)环境技术有限公司 | A kind of novel polyether sulfone filter core |
| CN110523168A (en) * | 2019-09-29 | 2019-12-03 | 新昌县泉道智能科技有限公司 | A kind of combined type easy to clean air filtering core |
| CN112807766A (en) * | 2021-02-07 | 2021-05-18 | 飞潮(上海)环境技术有限公司 | Novel cellulose filter element |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208642118U (en) | A kind of folding membrane filter backwashed | |
| CN109289383A (en) | A kind of folding membrane filter backwashed | |
| CN108939945A (en) | A kind of compound carbon film of stable ceramic base and preparation method thereof | |
| CN208785872U (en) | A kind of easy cleaning foldable filter element | |
| CN207119262U (en) | Filter cartridge construction | |
| CN211677193U (en) | Novel high-flux filtering device | |
| CN101590336B (en) | Hydrophilic polyfluortetraethylene microporous membrane folding type filter element | |
| CN208493826U (en) | A kind of reverse osmosis membrane | |
| CN213643295U (en) | High-precision membrane filter element | |
| CN201205469Y (en) | Hydrophilic teflon microporous membrane foldable filter core | |
| CN210674473U (en) | Novel polyether sulfone filter element | |
| CN208440380U (en) | A kind of big flux filter core of inside-admission outside-exit type being easily changed | |
| CN210728799U (en) | Big flux doublestage filter core of pleat | |
| CN108744720B (en) | Filter element applied to high-viscosity occasions and production method thereof | |
| CN210729181U (en) | Reverse osmosis filtration unit, reverse osmosis filter and water purification system | |
| CN208732751U (en) | A kind of composite filter element and water purifier | |
| CN110841482A (en) | Novel high-flux filtering device and using method | |
| CN205659574U (en) | Fashioned roll of formula membrane core of a slice | |
| CN205412516U (en) | Filter element group spare | |
| CN109499376A (en) | A kind of wound membrane filter core and filtration system | |
| CN210229372U (en) | Folding filter element made of superfine glass fiber | |
| CN205182307U (en) | Combined type wire -wound filter core | |
| CN219681749U (en) | Filter core for removing oil in water | |
| CN108993154A (en) | A kind of baffle plate disturbance formula membrane separation device | |
| CN207546241U (en) | A kind of combined porous 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: Room 472, 1180 Nanting Highway, Zhuanghang Town, Fengxian District, Shanghai, 201499 Patentee after: FEICHAO (SHANGHAI) ENVIRONMENTAL TECHNOLOGY Co.,Ltd. Address before: Room 472, 1180 Nanting Highway, Zhuanghang Town, Fengxian District, Shanghai, 201499 Patentee before: SHANGHAI RUNMING PRECISION TECHNOLOGY Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 201400 Room 101, floor 1, block B, building 5, Lane 123, Huancheng East Road, Fengxian District, Shanghai Patentee after: Feichao (Shanghai) Environmental Technology Co.,Ltd. Address before: Room 472, 1180 Nanting Highway, Zhuangxing Town, Fengxian District, Shanghai, 201499 Patentee before: FEICHAO (SHANGHAI) ENVIRONMENTAL TECHNOLOGY Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 201401 Room 101, 1st floor, block B, No.1, Lane 123, Huancheng East Road, Fengxian District, Shanghai Patentee after: Feichao (Shanghai) New Materials Co.,Ltd. Address before: 201400 Room 101, floor 1, block B, building 5, Lane 123, Huancheng East Road, Fengxian District, Shanghai Patentee before: Feichao (Shanghai) Environmental Technology Co.,Ltd. |