CN209188542U - A kind of hyperfiltration membrane assembly of uniform air distribution - Google Patents
A kind of hyperfiltration membrane assembly of uniform air distribution Download PDFInfo
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- CN209188542U CN209188542U CN201821905370.XU CN201821905370U CN209188542U CN 209188542 U CN209188542 U CN 209188542U CN 201821905370 U CN201821905370 U CN 201821905370U CN 209188542 U CN209188542 U CN 209188542U
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- putamina
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- lower cover
- membrane
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Abstract
The utility model belongs to water-treatment technology field.Air of traditional hyperfiltration membrane assembly in the process of cleaning in putamina is unevenly distributed, for the problems of the prior art, the utility model discloses a kind of hyperfiltration membrane assemblies of uniform air distribution, including putamina, are respectively arranged on the upper end cover and lower cover, the aeration membrane equipped with uniformly distributed micropore, support column at putamina both ends；The side of upper end cover is equipped with water purification mouth；The side of lower cover is equipped with water inlet, and bottom is equipped with the air inlet being connected with double external screw thread connectors, and the inner wall of lower cover is equipped with the annular slot being clamped with aeration membrane and the groove with support column cooperation；Central tube and film wire fixing pipe are equipped in putamina, the top of central tube is equipped with concentrated water spout, and bottom end is communicated with water inlet, and tube wall is equipped with permeable hole；The fixed pipe surface of film wire is circumferentially with mounting groove, is equipped with ultrafiltration membrane filaments in mounting groove, the upper end of ultrafiltration membrane filaments is communicated with upper end cover cavity, and lower end is shut.Air of the utility model in the process of running in putamina is evenly distributed.
Description
Technical field
The utility model relates to a kind of hyperfiltration membrane assemblies, and in particular to a kind of hyperfiltration membrane assembly of uniform air distribution belongs to water
Processing technology field.
Background technique
Currently, clean water treatment generally uses hyperfiltration membrane assembly to be filtered target water.In being used in hyperfiltration membrane assembly
Fibre ultrafiltration film belongs to micro porous filtration, is easy to be polluted by impurities in water in the process of running, so that blocking, which occurs, to be caused to produce water
Flux decline, reduces the service life of film, Membrane cleaning is the approach that fouling membrane is effectively reduced.
In the process of cleaning, the air in putamina is unevenly distributed traditional polysulfone hollow fiber ultrafiltration membrane system, cleaning effect
It is unobvious, and the bubble in putamina can be clustered together to form huge air mass, so that it is existing that water hammer easily occurs during the rinsing process
As causing hollow fiber ultrafiltration membrane to deform, in some instances it may even be possible to putamina be caused to burst.
Utility model content
For the problems of the prior art, the utility model provides a kind of hyperfiltration membrane assembly of uniform air distribution, super to improve
The uniformity of filter membrane component air distribution in putamina in cleaning journey, so as to improve the cleaning effect of hyperfiltration membrane assembly.
To realize the above technical purpose, the technical solution of the utility model is:
A kind of hyperfiltration membrane assembly of uniform air distribution, including putamina, upper end cover, lower cover and aerated portion；The upper end cover
Set on the top of putamina, the side of upper end cover is equipped with water purification mouth；The lower cover is set to the bottom end of putamina, and the side of lower cover is set
There is water inlet, water inlet is connected with water inlet pipe, and the bottom of lower cover is equipped with air inlet, and the inner wall of the lower cover is equipped with annular
Card slot and groove, wherein groove is located at below annular slot；It is equipped with the central tube being vertically arranged in the putamina and film wire is fixed
Pipe, the central tube both ends open, wherein the top of central tube is equipped with the concentrated water spout being connected with concentrated water pipe, the top of central tube
It is pierced by upper end cover, bottom end is pierced by lower cover and communicates with water inlet, and the tube wall of the central tube is equipped with several permeable holes；Institute
It states film wire fixing pipe to be set between upper end cover and lower cover and between central tube and putamina, the fixed pipe surface of film wire is circumferentially
Be evenly arranged with several mounting grooves, be equipped with hollow fiber film yarn inside mounting groove, hollow fiber film yarn it is upper
End is communicated with upper end cover cavity, and lower end is shut；The aerated portion includes aeration membrane, support column and connector, the aeration
Diaphragm is set in the cover cavity of lower end and is clamped with annular slot, and aeration membrane is equipped with equally distributed micropore；The support column
In the cover cavity of lower end and it is located at below aeration membrane, support column and groove are by interference fit connection, and support column is for branch
Support aeration membrane；The connector is double external screw thread connectors, wherein the upper external screw thread of connector be set to lower cover bottom
Internal screw thread match, lower end external screw thread is connected with compressed air pipe.The utility model structure is simple, by the way that aeration film is arranged
Piece, using micropore equally distributed on aeration membrane carry out aeration can make compressed air and water inlet intake uniformly mix thus
Improve hyperfiltration membrane assembly in the process of running in putamina air distribution uniformity, mixed uniformly gas-liquid can be in doughnut
Uniformly concussion is formed between film, is not easy the pollutant during clean water treatment in ultrafiltration membrane filaments surface aggregation, it can be with
On the other hand the pollution speed for delaying film wire makes the pollutant for being deposited on ultrafiltration membrane filaments surface in cleaning process be easy to peel off simultaneously quilt
Ejected wash water is taken away, and cleaning effect saving cleaning water consumption can be improved, furthermore it is also possible to prevent hyperfiltration membrane assembly in the process of cleaning
Water hammer occurs, extends the service life of hyperfiltration membrane assembly.It can be to prevent by the way that the support column to play a supportive role to aeration membrane is arranged
It is damaged caused by only aeration membrane is when stopping aeration due to springing back excessively, extends the service life of aeration membrane.Pass through setting
Multiple film wires are uniformly arranged in the fixed pipe outer wall of film wire by film wire fixing pipe, can be shielded to film wire, be extended ultrafiltration
The service life of membrane module.
Preferably, the micro-pore shape is S-shaped.The utility model by by the micropore on aeration membrane by existing
Linear stomata is improved to serpentine camber line stomata, and the rupture of camber line stomata not will cause the whole tearing of aeration membrane appearance at one, this
Outside, since the elastic torsion of rubber membrane acts on, the curved arc part that camber line micropore opens back curve micropore under gas pressure is presented
The small shape of the big collar extension of internal orifice is capable of increasing micro-pore aeration area, reduces aeration resistance.
Preferably, the aerated portion further includes non-return valve, and non-return valve is set at air inlet.The utility model is logical
It crosses setting non-return valve water flow when not being aerated or stop aeration can be effectively prevented and air inlet pipeline and sky be back to by aeration membrane
In press.
Preferably, the permeable hole helically arrange by formula.The utility model is by setting helical arrangement at center
Permeable hole on pipe can promote to form turbulent flow, so that coming into full contact with for raw water and ultrafiltration membrane filaments, reinforces hyperfiltration membrane assembly
Filter effect.
Preferably, the hyperfiltration membrane assembly further includes return pipe, and return pipe one end is connected with water inlet pipe, the other end
It is connected with concentrated water pipe, the junction of return pipe and water inlet pipe and concentrated water pipe is equipped with two-way valve.The utility model is by being arranged back
The multiple circulating filtration of water may be implemented in flow tube and two-way valve, improves filter effect.
Preferably, the film wire fixing pipe is locked between upper end cover and lower cover by epoxy resin, wherein
Epoxy resin in upper end separates putamina inner cavity and upper end cover cavity, and the epoxy resin in lower end is by putamina inner cavity under
End cover lumen separates.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the partial enlarged view of the utility model；
Fig. 3 is the structural schematic diagram of film wire fixing pipe in the utility model；
Fig. 4 is the structural schematic diagram of aeration membrane in the utility model；
Appended drawing reference:
100. 212. permeable hole of upper end cover 110. water purification mouth, 200. putamina, 210. central tube, 211. concentrated water spout, 220. film
300. lower cover of silk fixing pipe 221. mounting groove, 230. hollow fiber film yarn, 240. epoxy resin, 310. water inlet
320. air inlet, 330. annular slot, 340. groove, 410. aeration membrane, 411. micropore, 420. support column, 430. connector
440. non-return valve, 5. water inlet pipe, 6. return pipe, 61. two-way valve, 7. concentrated water pipe
Specific embodiment
In conjunction with Fig. 1 to Fig. 4, a specific embodiment of the utility model is described in detail, but not to the power of the utility model
Benefit requires to do any restriction.
As shown in Figures 1 to 4, a kind of hyperfiltration membrane assembly of uniform air distribution, including putamina 200, upper end cover 100, lower cover
300 and aerated portion；
The upper end cover 100 is set to the top of putamina 200, and the side of upper end cover 100 is equipped with water purification mouth 110；The lower end
Lid 300 is set to the bottom end of putamina 200, and the side of lower cover 300 is equipped with water inlet 310, and water inlet 310 is connected with water inlet pipe 5, under
The bottom of end cap 300 is equipped with air inlet 320, and the inner wall of the lower cover 300 is equipped with annular slot 330 and groove 340,
In, groove 340 is located at 330 lower section of annular slot；
The central tube 210 being vertically arranged and film wire fixing pipe 220,210 both ends of central tube are equipped in the putamina 200
Opening, wherein the top of central tube 210 is equipped with the concentrated water spout 211 being connected with concentrated water pipe 7, and the top of central tube 210 is pierced by upper end
Lid 100, bottom end are pierced by lower cover 300 and communicate with water inlet 310, and it is permeable that the tube wall of the central tube 210 is equipped with several
Hole 212, permeable hole 212 helically arrange by formula；The film wire fixing pipe 220 by epoxy resin 240 be locked in upper end cover 100 with
Between lower cover 300 and between central tube 210 and putamina 200, wherein the epoxy resin 240 in upper end is by putamina 200
Inner cavity is separated with 100 inner cavity of upper end cover, the epoxy resin 240 in lower end by 200 inner cavity of putamina and 300 inner cavity of lower cover every
It opens, 220 surface of film wire fixing pipe has been uniformly arranged in the circumferential direction several mounting grooves 221, is equipped with hollow fibre inside mounting groove 221
Ultrafiltration membrane filaments 230 are tieed up, the upper end of hollow fiber film yarn 230 is communicated with 100 inner cavity of upper end cover, lower end epoxy resin 240
It shuts；
The aerated portion includes aeration membrane 410, support column 420, connector 430 and non-return valve 440, the aeration film
Piece 410 is set to intracavitary in lower cover 300 and is clamped with annular slot 330, and aeration membrane 410 is equipped with equally distributed micropore
411,411 shape of micropore is S-shaped；The support column 420 is set to intracavitary in lower cover 300 and is located at 410 lower section of aeration membrane, branch
By interference fit connection, support column 420 is used to support aeration membrane 410 for dagger 420 and groove 340；The connector 430 is
Double external screw thread connectors 430, wherein the upper external screw thread of connector 430 matches with the internal screw thread for being set to 300 bottom of lower cover
It closes, lower end external screw thread is connected with compressed air pipe；The non-return valve 440 is set at air inlet 320, be not aerated for preventing or
Water flow is back in air inlet pipeline and air compressor machine by aeration membrane 410 when stopping aeration.
For the multiple circulating filtration for realizing water, filter effect is improved, the hyperfiltration membrane assembly further includes return pipe 6, reflux
6 one end of pipe is connected with water inlet pipe 5, and the other end is connected with concentrated water pipe 7, and return pipe 6 and the junction of water inlet pipe 5 and concentrated water pipe 7 are equal
Equipped with two-way valve 61.When needing to carry out multiple circulating filtration to water, using two-way valve, so that being discharged from concentrated water spout 211 dense
Water is filtered by return pipe 6 into water inlet 310 again.
Working principle:
Water inlet (water inlet is raw water in clean water treatment, and water purification is ejected wash water in cleaning treatment) enters from water inlet 310,
Permeable hole 212 through central tube 210 enters between central tube 210 and putamina 200, and a part water inlet penetrates hollow fiber ultrafiltration membrane
Silk 230 becomes permeate and is flowed out by film wire inner cavity through water purification mouth 110, is not discharged through the concentrated water of film wire by concentrated water spout 211.Into
Compressed air is entered in lower cover 300 by non-return valve 440 while water, is spread rapidly in the space below aeration membrane 410
Heave aeration membrane 410 after being full of, the micropore 411 on aeration membrane 410 is opened under pressure, and air passes through micropore
411 bloat small and uniform bubble into water inlet, so that air adequately and uniformly mixes in membrane module with water inlet,
Mixed uniformly gas-liquid can form uniform concussion between hollow fiber film yarn 230, make in water purification filter treatment process
Pollutant be not easy in ultrafiltration membrane filaments surface aggregation or the pollutant for being deposited on ultrafiltration membrane filaments surface in cleaning process made to be easy to shell
It falls and is cleaned water and take away.Stop aeration, the micropore 411 on aeration membrane 410 shunk rapidly under rebound effect closure with
Prevent counter-current of sewage from seeping in lower cover 300, diaphragm is tightly attached to diaphragm support round tube surface, and non-return valve 440 is closed to prevent dirt
Water is back in air inlet pipeline and air compressor machine by aeration membrane 410.
In conclusion the utility model has the advantage that
1. the utility model structure is simple, by the way that aeration membrane 410 is arranged, using equally distributed on aeration membrane 410
Micropore 411 carries out aeration compressed air and water inlet 310 can be made to intake uniformly mixing running to improve hyperfiltration membrane assembly
The uniformity that air is distributed in putamina 200 in the process, mixed uniformly gas-liquid can form uniform shake between hollow-fibre membrane
It swings, the pollutant during clean water treatment is on the one hand made to be not easy that the pollution speed of film wire can be delayed in ultrafiltration membrane filaments surface aggregation
Degree, on the other hand makes that the pollutant that ultrafiltration membrane filaments surface is deposited in cleaning process is easy to peel off and cleaned water is taken away, can be with
Cleaning effect saving cleaning water consumption is improved to prolong furthermore it is also possible to prevent hyperfiltration membrane assembly from water hammer occurring in the process of cleaning
The service life of long hyperfiltration membrane assembly；Aeration membrane can be prevented to the support column 420 that aeration membrane 410 plays a supportive role by setting
410 stop aeration when because spring back excessively due to caused by damage, extend aeration membrane 410 service life.
2. multiple film wires are uniformly arranged on outside film wire fixing pipe 220 by the utility model by setting film wire fixing pipe 220
It on wall, can shield to film wire, extend the service life of hyperfiltration membrane assembly.
It is in loudspeaker after gas pressure cabling hole opening 3. the micropore 411 on existing aeration membrane 410 is in linear stomata
Shape, the small collar extension of internal orifice is big, easily causes vapour lock and causes atmospheric pressure lost, in addition, string holes rupture often will cause aeration membrane at one
410 whole tearings, the utility model is by being improved to serpentine camber line stomata, arc at one for the micropore 411 on aeration membrane 410
The rupture of line stomata not will cause aeration membrane 410 and whole tearing occurs, further, since the elastic torsion of rubber membrane acts on, in gas
Pressure acts on the curved arc part that lower camber line micropore 411 opens back curve micropore 411 and the small shape of the big collar extension of internal orifice, micropore 411 is presented
Aeration area increases, and aeration resistance reduces.
4. water flow when not being aerated or stop aeration can be effectively prevented by setting non-return valve 440 for the utility model passes through exposure
Air film piece 410 is back in air inlet pipeline and air compressor machine.
5. permeable hole 212 of the utility model by setting helical arrangement on central tube 210, can promote to form turbulent flow,
So that coming into full contact with for raw water and ultrafiltration membrane filaments, reinforces the filter effect of hyperfiltration membrane assembly.
6. the utility model may be implemented the multiple circulating filtration of water, improved by setting return pipe 6 and two-way valve 61
Filter effect.
It is understood that being merely to illustrate the utility model above with respect to the specific descriptions of the utility model and not being
It is limited to technical solution described in the utility model embodiment.Those skilled in the art should understand that still can be with
It modifies to the utility model or equivalent replacement, to reach identical technical effect；Needs are used as long as meeting, all in this reality
Within novel protection scope.
Claims (6)
1. a kind of hyperfiltration membrane assembly of uniform air distribution, which is characterized in that including putamina, upper end cover, lower cover and aerated portion；Institute
The top that upper end cover is set to putamina is stated, the side of upper end cover is equipped with water purification mouth；The lower cover is set to the bottom end of putamina, lower cover
Side be equipped with water inlet, water inlet is connected with water inlet pipe, and the bottom of lower cover is equipped with air inlet, on the inner wall of the lower cover
Equipped with annular slot and groove, wherein groove is located at below annular slot；Be equipped in the putamina central tube being vertically arranged and
Film wire fixing pipe, the central tube both ends open, wherein the top of central tube is equipped with the concentrated water spout being connected with concentrated water pipe, center
The top of pipe is pierced by upper end cover, and bottom end is pierced by lower cover and communicates with water inlet, and the tube wall of the central tube is equipped with several
Permeable hole；The film wire fixing pipe is set to the film wire fixing pipe between upper end cover and lower cover and between central tube and putamina
Surface has been uniformly arranged in the circumferential direction several mounting grooves, and hollow fiber film yarn is equipped with inside mounting groove, and doughnut is super
The upper end of filter membrane silk is communicated with upper end cover cavity, and lower end is shut；The aerated portion includes aeration membrane, support column and connection
Head, the aeration membrane are set in the cover cavity of lower end and are clamped with annular slot, and aeration membrane is equipped with equally distributed micropore；
The support column is set in the cover cavity of lower end and is located at below aeration membrane, and support column and groove pass through interference fit connection, branch
Dagger is used to support aeration membrane；The connector is double external screw thread connectors, wherein the upper external screw thread of connector be set to
The internal screw thread of lower cover bottom matches, and lower end external screw thread is connected with compressed air pipe.
2. a kind of hyperfiltration membrane assembly of uniform air distribution as described in claim 1, which is characterized in that the micro-pore shape is S-shaped.
3. a kind of hyperfiltration membrane assembly of uniform air distribution as described in claim 1, which is characterized in that the aerated portion further includes
Non-return valve, non-return valve are set at air inlet.
4. a kind of hyperfiltration membrane assembly of uniform air distribution as described in claim 1, which is characterized in that the permeable hole helically formula
Arrangement.
5. a kind of hyperfiltration membrane assembly of uniform air distribution as described in claim 1, which is characterized in that the hyperfiltration membrane assembly also wraps
Return pipe is included, return pipe one end is connected with water inlet pipe, and the other end is connected with concentrated water pipe, the company of return pipe and water inlet pipe and concentrated water pipe
The place of connecing is equipped with two-way valve.
6. a kind of hyperfiltration membrane assembly of uniform air distribution as described in claim 1, which is characterized in that the film wire fixing pipe passes through
Epoxy resin is locked between upper end cover and lower cover, wherein the epoxy resin in upper end will be in putamina inner cavity and upper end cover
Chamber separates, and the epoxy resin in lower end separates putamina inner cavity and lower end cover cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821905370.XU CN209188542U (en) | 2018-11-19 | 2018-11-19 | A kind of hyperfiltration membrane assembly of uniform air distribution |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821905370.XU CN209188542U (en) | 2018-11-19 | 2018-11-19 | A kind of hyperfiltration membrane assembly of uniform air distribution |
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| Publication Number | Publication Date |
|---|---|
| CN209188542U true CN209188542U (en) | 2019-08-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821905370.XU Active CN209188542U (en) | 2018-11-19 | 2018-11-19 | A kind of hyperfiltration membrane assembly of uniform air distribution |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111659258A (en) * | 2020-06-01 | 2020-09-15 | 江苏诺莱智慧水务装备有限公司 | Novel air-water mixing hollow fiber ultrafiltration membrane component |
| CN113813791A (en) * | 2021-05-25 | 2021-12-21 | 上海市政工程设计研究总院（集团）有限公司 | Tank type membrane filtering device |
| CN114044569A (en) * | 2021-09-06 | 2022-02-15 | 上海威德环保有限公司 | Pressure membrane bioreactor |
-
2018
- 2018-11-19 CN CN201821905370.XU patent/CN209188542U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111659258A (en) * | 2020-06-01 | 2020-09-15 | 江苏诺莱智慧水务装备有限公司 | Novel air-water mixing hollow fiber ultrafiltration membrane component |
| CN113813791A (en) * | 2021-05-25 | 2021-12-21 | 上海市政工程设计研究总院（集团）有限公司 | Tank type membrane filtering device |
| CN113813791B (en) * | 2021-05-25 | 2024-10-15 | 上海市政工程设计研究总院（集团）有限公司 | Tank type membrane filtering device |
| CN114044569A (en) * | 2021-09-06 | 2022-02-15 | 上海威德环保有限公司 | Pressure membrane bioreactor |
| CN114044569B (en) * | 2021-09-06 | 2023-09-08 | 上海威德环保有限公司 | Pressure membrane bioreactor |
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