CN105749754B - A kind of hyperfiltration membrane assembly of both-end water inlet - Google Patents
A kind of hyperfiltration membrane assembly of both-end water inlet Download PDFInfo
- Publication number
- CN105749754B CN105749754B CN201610153032.4A CN201610153032A CN105749754B CN 105749754 B CN105749754 B CN 105749754B CN 201610153032 A CN201610153032 A CN 201610153032A CN 105749754 B CN105749754 B CN 105749754B
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- water inlet
- inlet pipe
- membrane
- water
- tube
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
- B01D63/02—Hollow fibre modules
- B01D63/04—Hollow fibre modules comprising multiple hollow fibre assemblies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/14—Ultrafiltration; Microfiltration
- B01D61/18—Apparatus therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D65/00—Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes
- B01D65/02—Membrane cleaning or sterilisation ; Membrane regeneration
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention discloses a kind of hyperfiltration membrane assemblies of both-end water inlet, including bearing shell and ultrafiltration membrane core, ultrafiltration membrane core is assemblied in bearing shell, the bearing shell includes membrane tube, it is located at the first end cover of membrane tube one end, it is located at the second end cover of the membrane tube other end, the fastener that membrane tube and end cap are linked together and the clip for fastening fastener, membrane tube one end is exported equipped with concentrated water, first end cover is equipped with the first raw water inlet and aerator, second end cover is equipped with the second raw water inlet and water purification outlet, the ultrafiltration membrane core is by the first water inlet pipe, second water inlet pipe, hollow fiber film yarn and encapsulating layer composition, ultrafiltration membrane core one end is connected by chiral gas-guide tube with aerator.Water inlet pipe of the present invention can water distribution it is uniform, and aerator can make film wire fully shake, and to reduce the speed of fouling membrane, reduce cleaning frequency, extend the service life of hyperfiltration membrane assembly.
Description
Technical field
The present invention relates to a kind of hyperfiltration membrane assemblies, more particularly to a kind of hyperfiltration membrane assembly of both-end water inlet.
Background technology
In recent years, industrialized rapid development so that environment for the survival of mankind has also suffered from huge destruction, deposits
In many environmental problems such as water pollution, air pollution, soil property deterioration and global warmings.In order to improve the shape of current rigorous
Formula, relevant departments and related technical staff take the transformation that various measures carry out environment, wherein to moneys such as sewage, waste liquids
The measure that the Recovery Purifying in source is taken is usually filter filtration, purification, and ultrafiltration membrane technique is a kind of effective clean water treatment side
Method.
So-called ultrafiltration membrane clean water treatment is typically to be filtered to sewage using hyperfiltration membrane assembly, detaches sewage and water purification
Impurity in water obtains satisfactory water purification.Traditional monoblock type hyperfiltration membrane assembly is usually one end water inlet, and only one
Water distributor, usually in using operational process, since the hollow fiber ultrafiltration membrane used in hyperfiltration membrane assembly belongs to micro porous filtration,
It is easy to be polluted by impurities in water at runtime, thus it is blocking microporous, cause permeant flux to decline, to increase the energy of operation
Consumption.In addition, since water distribution is uneven, hollow fiber ultrafiltration film wire is highly susceptible to pollute, and causes film wire permeation flux to decline, or even make
It can not be continuing at membrane module, and cleaning difficulty is also big, hinder its extensive use in practical development use.Due to cloth
Water is uneven, cause to pollute it is uneven, so as to shorten the service life of ultrafiltration membrane group.
Invention content
For the said goods there are the problem of, the present invention provides a kind of polysulfone hollow fiber ultrafiltration membrane system of both-end water inlet.
In order to solve the above-mentioned technical problem, the present invention uses following technical scheme：
A kind of hyperfiltration membrane assembly of both-end water inlet, including bearing shell and ultrafiltration membrane core, ultrafiltration membrane core, which is assemblied in, to be held
It presses in shell, the bearing shell includes membrane tube, the second end cover that is located at the first end cover of membrane tube one end, is located at the membrane tube other end
And the fastener for linking together membrane tube and end cap and the clip for fastening fastener, membrane tube one end go out equipped with concentrated water
Mouthful, first end cover is equipped with the first raw water inlet and aerator, and second end cover is equipped with the second raw water inlet and water purification outlet,
The ultrafiltration membrane core is made of the first water inlet pipe, the second water inlet pipe, hollow fiber film yarn and encapsulating layer, the ultrafiltration
Film core one end is connected by chiral gas-guide tube with aerator.
The first water inlet tube inlet with the second raw water inlet by being connected directly, the entrance of second water inlet pipe and the
One raw water inlet is mutually perpendicular to.
First water inlet pipe and the length of the second water inlet pipe and the length of membrane tube are roughly the same, and second water inlet pipe is equal
Even to be looped around on the outside of the first water inlet pipe, the centre distance of the second water inlet pipe and the first water inlet pipe is 6-8cm.
Be provided with several circular holes on first water inlet pipe and the second water inlet pipe, i.e., described first water inlet pipe and second into
For water pipe as water distributor, position of opening is uniform, and trepanning is carried out in a manner of cross-flow water distribution, to realize water distribution uniformity；Circular hole
A diameter of 3-7mm, the gross area of the trepanning on each water distributor are 1.5-3 times of its cross-sectional area, to realize most efficient cloth
Water speed rate.
It is encapsulating layer on the inside of hollow fiber film yarn and membrane tube both ends in bearing shell, the encapsulating layer is divided into
Hard glue-line and soft glue-line, and the ratio of soft balsam used in soft glue-line is the 2- of hard rubber ratio used in the hard glue-line
3 times, the film wire part to realize close encapsulating position is not easy to break.
Position of opening on first water inlet pipe and the second water inlet pipe is respectively from close to the first raw water inlet and close
The side of second raw water inlet encapsulating starts trepanning, and the hole of first row on soft glue-line, water distributor position of opening from by
The side of nearly encapsulating layer starts, and macromolecule contaminant can be effectively washed away when to realize backwash, is discharged in time.
Second water inlet pipe is at least 2, preferably 6, is uniformly looped around on the outside of the first water inlet pipe.
Concentrated water outlet in the ultrafiltration membrane group is located on putamina, while for convenience of being aerated, concentrated water outlet is located at by near net
The side of water out.
Advantageous effect：
The present invention assembles ultrafiltration membrane group activity in the bearing shell, and both ends end cap and membrane tube are to pass through fastener
It is fastened with clip, i.e., membrane module is removable link, simple to be easy when replacing ultrafiltration membrane group, and the expense of replacement reduces, ultrafiltration
Film group can clean when seriously polluted outside hyperfiltration membrane assembly, can thoroughly clean up film wire surface contaminant and tamper.
In addition, after taking above scheme, when hyperfiltration membrane assembly carries out Water warfare, water inlet pipe can water distribution it is uniform, and aerator can
So that film wire is fully shaken, to reduce the speed of fouling membrane, cleaning frequency is reduced, extend hyperfiltration membrane assembly uses the longevity
Life.Traditional hyperfiltration membrane assembly is after using 2 months, and initial flux is by 70-80L/m2H drops to 40-50L/m2H, and
Drop to 50-60L/m at the same time using flux after above-mentioned hyperfiltration membrane assembly2·h.In addition, at the same conditions, passing
The service life of system hyperfiltration membrane assembly is about 4 years, and the usage time of the hyperfiltration membrane assembly of both-end water inlet is about 5 years.
Description of the drawings：
Fig. 1 is the structural schematic diagram of the hyperfiltration membrane assembly of both-end of the present invention water inlet, wherein：
1- membrane tubes, the second water inlet pipes of 2-, 3,3 '-soft glue-lines, 4,4 '-hard glue-lines, the first raw water inlets of 5-, 6- expose
Device of air, 7,7 '-clips, the outlet of 8- concentrated waters, the second raw water inlets of 9-, 10- water purification outlets, 11- fasteners, 12- doughnuts
Ultrafiltration membrane filaments, the first water inlet pipes of 13-, 14- is direct, 15- chirality gas-guide tubes, 16,16 '-end caps.
Fig. 2 is the sectional view for the ultrafiltration membrane group seen from the second raw water inlet side（Film wire passes through encapsulating layer）.
Fig. 3 is the sectional view for the ultrafiltration membrane group seen from the first raw water inlet side（Film wire does not pass through encapsulating layer）.
Fig. 4 is the sectional view of chiral gas-guide tube.
Specific implementation mode
The specific implementation of the present invention is further described below in conjunction with the accompanying drawings.
Embodiment 1
As shown in Figure 1, a kind of hyperfiltration membrane assembly of both-end water inlet, including bearing shell and ultrafiltration membrane core, ultrafiltration membrane
Core is assemblied in bearing shell, and the bearing shell includes membrane tube 1, is located at the first end cover 16 of membrane tube one end, is located at membrane tube
The second end cover 16 ' of the other end and the fastener 11 for linking together membrane tube and end cap, 1 one end of membrane tube are exported equipped with concentrated water
8, first end cover 16 is equipped with the first raw water inlet 5 and aerator 6, and second end cover 16 ' is equipped with the second raw water inlet 9 and only
Water out 10, the ultrafiltration membrane core is by the first water inlet pipe 13, the second water inlet pipe 2, hollow fiber film yarn 12 and encapsulating
Layer composition, ultrafiltration membrane core one end is connected by chiral gas-guide tube 15 with aerator 6.First water inlet pipe, 13 entrance and
Two raw water inlets 9 are connected by direct 14, and the entrance of second water inlet pipe 2 is mutually perpendicular to the first raw water inlet 5.First into
The length of the length and membrane tube of water pipe 13 and the second water inlet pipe 2 is roughly the same, and the first water inlet pipe 13 is 1 Φ in the present embodiment
50UPVC water inlet pipes, the second water inlet pipe 2 be Φ 20UPVC water inlet pipes, totally 6, the inlet opening conduct of 6 Φ 20UPVC water inlet pipes
One end water inlet, the inlet opening of 1 Φ 50UPVC pipe is as other end water inlet, and 7 UPVC pipes are as water inlet pipe（Water distribution
Pipe）, wherein one end water inlet is connected on 6 Φ 20UPVC water distributors, and other end water inlet is located at Φ 50UPVC water distributors
On.Several holes are opened on 7 water distributors, the gross area of the upper number of aperture of every pipe is 1.5 times to 3 times of its cross-sectional area, with reality
Now most efficient water distribution rate.Uniform pore openings on 7 water distributors, and the side with cross-flow on 7 water distributors of the ultrafiltration membrane group
Formula carries out trepanning, to realize water distribution uniformity.
6 second water inlet pipes 2 are uniformly looped around 13 outside of the first water inlet pipe, the second water inlet pipe 2 and the first water inlet pipe 13
Centre distance is 6-8cm.First water inlet pipe 13 and the second water inlet pipe 2 amount to opens several a diameter of 3- on 7 UPVC water distributors
The circular hole of 7mm, position of opening is uniform, and the trepanning sum on 6 Φ 20UPVC water distributors is opened with the centers Φ 50UPVC water distributor
Hole sum is roughly the same.
It is encapsulating layer, the encapsulating on the inside of 1 both ends of hollow fiber film yarn 12 and membrane tube in bearing shell
Layer is divided into hard glue-line and soft glue-line, and 16 inside of end cap is hard glue-line 4 and soft glue-line 3, and 16 ' inside of end cap is hard rubber
Layer 4 ' and soft glue-line 3 ', and the ratio of soft balsam used in soft glue-line is the 2-3 of hard rubber ratio used in the hard glue-line
Times, the film wire part to realize close encapsulating position is not easy to break.
The trepanning since from the first raw water inlet 5 of first water inlet pipe 13, and the hole of first row is close to soft balsam
Layer 3;The trepanning since close to the side of the second raw water inlet 9 of second water inlet pipe 2, the hole of first row is close to soft glue-line 3 ', cloth
Position of opening can effectively wash away macromolecular pollution since close to the side of encapsulating layer on water pipe when to realize backwash
Object is discharged in time.
The present invention hyperfiltration membrane assembly carry out Water warfare when, water inlet pipe can water distribution it is uniform, to reduce the speed of fouling membrane
Degree reduces cleaning frequency, extends the service life of hyperfiltration membrane assembly.Traditional hyperfiltration membrane assembly is initial logical after using 2 months
Amount is by 70-80L/m2H drops to 40-50L/m2H, and under stating after hyperfiltration membrane assembly flux in use at the same time
Drop to 50-60L/m2·h.In addition, at the same conditions, the service life of traditional hyperfiltration membrane assembly is about 4 years, and both-end into
The usage time of the hyperfiltration membrane assembly of water is about 5 years.
Claims (4)
1. a kind of hyperfiltration membrane assembly of both-end water inlet, including bearing shell and ultrafiltration membrane core, ultrafiltration membrane core are assemblied in pressure-bearing
In shell, which is characterized in that the bearing shell includes membrane tube（1）, be located at the first end cover of membrane tube one end（16）, be located at membrane tube
The second end cover of the other end（16’）, fastener that membrane tube and end cap link together（11）And by fastener（11）Fastening
Clip（7,7’）, membrane tube（1）One end is exported equipped with concentrated water（8）, first end cover（16）It is equipped with the first raw water inlet（5）And exposure
Device of air（6）, second end cover（16’）It is equipped with the second raw water inlet（9）And water purification outlet（10）, the ultrafiltration membrane core is by
One water inlet pipe（13）, the second water inlet pipe（2）, hollow fiber film yarn（12）And encapsulating layer composition, the ultrafiltration membrane core
One end passes through chiral gas-guide tube（15）With aerator（6）It is connected；First water inlet pipe（13）Entrance enter with the second raw water
Mouthful（9）By direct（14）It is connected, second water inlet pipe（2）Entrance and the first raw water inlet（5）It is mutually perpendicular to；Described
Two water inlet pipes（2）Uniformly it is looped around the first water inlet pipe（13）Outside, the second water inlet pipe（2）With the first water inlet pipe（13）Centre-to-centre spacing
From for 6-8cm；First water inlet pipe（13）With the second water inlet pipe（2）As water distributor, several circular holes are provided on water pipe；Institute
State the second water inlet pipe（2）6 are shared, 6 second water inlet pipes（2）On circular hole sum and the first water inlet pipe（13）On circular hole it is total
Number is roughly the same；For the encapsulating layer in membrane tube both sides, encapsulating layer includes hard glue-line（4、4’）With soft glue-line（3、3’）, described
The ratio of the soft balsam of soft glue-line is 2-3 times of the hard rubber ratio of the hard glue-line.
2. a kind of hyperfiltration membrane assembly of both-end water inlet according to claim 1, which is characterized in that the circular hole it is a diameter of
3-7mm, position of opening is uniform, and the gross area of the trepanning on each water distributor is 1.5-3 times of its cross-sectional area.
3. a kind of hyperfiltration membrane assembly of both-end water inlet according to claim 1, which is characterized in that first water inlet pipe
（13）With the second water inlet pipe（2）On circular hole be evenly arranged in a manner of cross-flow water distribution.
4. a kind of hyperfiltration membrane assembly of both-end water inlet according to claim 1, which is characterized in that first water inlet pipe
（13）From close to the first raw water inlet（5）Place starts trepanning, the second water inlet pipe（2）From close to the second raw water inlet（9）Side
Start trepanning.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610153032.4A CN105749754B (en) | 2016-03-17 | 2016-03-17 | A kind of hyperfiltration membrane assembly of both-end water inlet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610153032.4A CN105749754B (en) | 2016-03-17 | 2016-03-17 | A kind of hyperfiltration membrane assembly of both-end water inlet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105749754A CN105749754A (en) | 2016-07-13 |
| CN105749754B true CN105749754B (en) | 2018-09-21 |
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| CN201610153032.4A Expired - Fee Related CN105749754B (en) | 2016-03-17 | 2016-03-17 | A kind of hyperfiltration membrane assembly of both-end water inlet |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106268330A (en) * | 2016-09-21 | 2017-01-04 | 山东膜源水净化科技有限公司 | A kind of hyperfiltration membrane assembly of porous water inlet pipe |
| CN106422467B (en) * | 2016-11-28 | 2018-12-28 | 湖州环清环保科技有限公司 | A kind of filter |
| CN106582086B (en) * | 2016-11-28 | 2019-02-19 | 湖州环清环保科技有限公司 | A kind of effluent treatment and filtering cylinder |
| CN109292912A (en) * | 2018-09-27 | 2019-02-01 | 杭州美亚水处理科技有限公司 | A kind of energy-efficient ultrafiltration membrane |
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| CN201454423U (en) * | 2009-07-17 | 2010-05-12 | 浙江玉泉环境工程有限公司 | Hollow fiber ultrafiltration membrane element |
| WO2011088242A1 (en) * | 2010-01-15 | 2011-07-21 | Board Of Regents, The University Of Texas System | Non-dispersive process for insoluble oil recovery from aqueous slurries |
| CN202933629U (en) * | 2012-12-12 | 2013-05-15 | 北京中环膜材料科技有限公司 | External pressure hollow fiber ultrafiltration membrane |
| CN203408632U (en) * | 2013-06-14 | 2014-01-29 | 浙江玉泉环境工程有限公司 | Ultrafiltration membrane component |
| CN204017676U (en) * | 2014-05-22 | 2014-12-17 | 明兴中 | Micro-pore aeration hyperfiltration membrane assembly |
| CN104474900A (en) * | 2014-11-10 | 2015-04-01 | 济南市水处理设备厂有限公司 | Hollow fiber ultrafiltration membrane module casting device, and casting method thereof |
-
2016
- 2016-03-17 CN CN201610153032.4A patent/CN105749754B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201454423U (en) * | 2009-07-17 | 2010-05-12 | 浙江玉泉环境工程有限公司 | Hollow fiber ultrafiltration membrane element |
| WO2011088242A1 (en) * | 2010-01-15 | 2011-07-21 | Board Of Regents, The University Of Texas System | Non-dispersive process for insoluble oil recovery from aqueous slurries |
| CN202933629U (en) * | 2012-12-12 | 2013-05-15 | 北京中环膜材料科技有限公司 | External pressure hollow fiber ultrafiltration membrane |
| CN203408632U (en) * | 2013-06-14 | 2014-01-29 | 浙江玉泉环境工程有限公司 | Ultrafiltration membrane component |
| CN204017676U (en) * | 2014-05-22 | 2014-12-17 | 明兴中 | Micro-pore aeration hyperfiltration membrane assembly |
| CN104474900A (en) * | 2014-11-10 | 2015-04-01 | 济南市水处理设备厂有限公司 | Hollow fiber ultrafiltration membrane module casting device, and casting method thereof |
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| CN105749754A (en) | 2016-07-13 |
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