CN209685371U - A kind of pillar immersion type membrane component of the center of concatemer type containing segmented aeration - Google Patents
A kind of pillar immersion type membrane component of the center of concatemer type containing segmented aeration Download PDFInfo
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- CN209685371U CN209685371U CN201920137166.6U CN201920137166U CN209685371U CN 209685371 U CN209685371 U CN 209685371U CN 201920137166 U CN201920137166 U CN 201920137166U CN 209685371 U CN209685371 U CN 209685371U
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- Prior art keywords
- aeration
- aeration tube
- concatemer
- pillar
- center
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- 238000005273 aeration Methods 0.000 title claims abstract description 127
- 239000012528 membrane Substances 0.000 title claims abstract description 63
- 238000007654 immersion Methods 0.000 title claims abstract description 37
- 108091028732 Concatemer Proteins 0.000 title claims abstract description 23
- 239000012510 hollow fiber Substances 0.000 claims abstract description 7
- 239000000565 sealant Substances 0.000 claims description 9
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 6
- 238000009285 membrane fouling Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 12
- 238000013461 design Methods 0.000 description 7
- 238000009826 distribution Methods 0.000 description 7
- 239000003344 environmental pollutant Substances 0.000 description 5
- 238000011068 loading method Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 231100000719 pollutant Toxicity 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 239000000835 fiber Substances 0.000 description 4
- 239000011148 porous material Substances 0.000 description 4
- 229910003460 diamond Inorganic materials 0.000 description 3
- 239000010432 diamond Substances 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 3
- 239000010865 sewage Substances 0.000 description 3
- 238000000108 ultra-filtration Methods 0.000 description 3
- 229920001875 Ebonite Polymers 0.000 description 2
- RRHGJUQNOFWUDK-UHFFFAOYSA-N Isoprene Chemical compound CC(=C)C=C RRHGJUQNOFWUDK-UHFFFAOYSA-N 0.000 description 2
- 239000002033 PVDF binder Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
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- 238000009434 installation Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- -1 polychloroethylene Polymers 0.000 description 2
- 229920002635 polyurethane Polymers 0.000 description 2
- 239000004814 polyurethane Substances 0.000 description 2
- 229920000915 polyvinyl chloride Polymers 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000010926 purge Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000009991 scouring Methods 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
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- 229920000647 polyepoxide Polymers 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
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- 230000009467 reduction Effects 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
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- 238000007789 sealing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
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Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The utility model discloses a kind of pillar immersion type membrane components of center of concatemer type containing segmented aeration, including putamina, the hollow fiber film thread in the putamina and the aeration tube in the putamina, the aeration tube is 2-8, the aeration tube internal diameter is 3-20mm, the aeration tube thickness of pipe wall is 1-3mm, and the aeration tube is equipped with multiple solarization air caps；The aeration tube bottom is equipped with gas distributor；It is designed by novel segmented concatemer type center aeration tube, is connected with gas distributor, controls the size of its aeration quantity in different aeration tubes, membrane module different location is orderly washed away, reduced membrane fouling rate, improve its service life.
Description
Technical field
The utility model belongs to membrane for water treatment device manufacturing technical field, more particularly, to a kind of concatemer type containing segmented
The pillar immersion type membrane component of center aeration.
Background technique
Ultrafiltration membrane utilizes ultrafiltration membrane difference hole using pressure as motive force as one of important solid-liquid separation technique
The physics screening process that diameter separates liquid, have room temperature, low pressure, without phase-change, low energy consumption, high-efficient, easy to operate etc.
Advantage and be used widely.For hollow-fibre membrane compared with plate membrane structure, loading density is high, and treatment effeciency is high, and the service life is long
The advantages that as a kind of form most widely used in membrane technology.Pressure type can be divided into according to the difference of membranous system manufacture
And immersion.Immersion ultrafiltration compared to its contamination resistance of pressure type is strong, pollutant carrying capacity is good, more energy efficient, and can directly filter compared with
The suspended matter solution of high concentration and without complexity pre-process, technique is relatively simple, and occupied area is small, when treating capacity is bigger compared to pressure
Power formula cost is lower.
Currently, immersion type membrane component can be mainly divided into curtain type membrane according to design form in immersion water treatment field
Component and pillar immersion type membrane component, the two is since the corresponding application field of difference that structure designs is distinguished there is also certain, and one
As curtain type film assembly be applied to water quality complexity more, biochemical degree is high, in the big membrane bioreactor of aeration intensity.Pillar immersion
Membrane module is then more applied to municipal drinking water and mentions the fields such as mark filtering, seawater desalinization pretreatment, Industrial Wastewater Treatment.The two phase
Than curtain type film assembly loading density is smaller, but this is because determines in itself in design structure attribute, not malleable.Pillar
Then loading density is higher than curtain type film assembly to immersion type membrane component, but also brings it to pollute more serious problem, In at the same time
The structural research of contamination resistance of the pillar immersion type membrane component in sewage is effectively improved while maintenance compared with high loading density
The always research emphasis of pillar immersion type membrane component.With the increase of runing time, pollutant is attached to the same of film wire outer surface
When but also gap becomes smaller between film wire, the flux decline of film, transmembrane pressure and energy consumption increase, and film working efficiency substantially reduces.It removes
Outside chemical cleaning, it is a kind of physics mode that fouling membrane is effectively reduced and improves operational efficiency that gas, which is cleaned, by air-flow to film wire table
Face forms faint shearing force, and removal is attached to the pollutant on film wire surface.But traditional aeration mode only realizes film surface
Washing away from bottom to top, scouring effect is bad, and aeration quantity is larger, and the uneven blowdown degree in gap is uncontrollable between film wire, gas
The difference in size for cleaning bubble seriously affects the use of membrane module but also its ability for taking away pollutant is distinct.
CN101036858A discloses a kind of external-pressing film assembly with holes, has aperture on putamina, can adapt to immersion environment very well, and both-end goes out
Water utmostly utilizes film wire area.The component uses the form of head bottom part aeration.CN204294122U also discloses one kind
Immersion type membrane component, membrane module mainly pass through the shell of aperture as original water inlet, and shell effective protection film wire is continuous when work
Silk.CN101497000A proposes a kind of submerged hollow fibre membrane module in bioreactor and its complete set of equipments, and component is by film wire beam, film end socket
It is formed with center stay pipe, gather stomata on the stay pipe of center, provides membrane module aeration.Above-mentioned design film wire aeration or main
Enter component internal by the gas distribution holes at bottom sealing end to achieve the effect that vibrate film wire, but package area will receive gas
The limitation of distribution hole；Or provide entire component aeration effect bad problem by single central tube, membrane module pollution still compared with
To be serious, operating status is unstable.
Limitation based on above-mentioned immersion type membrane component in related application, it is multi-joint containing segmented that the utility model proposes one kind
Figure center is aerated the novel pillar immersion type membrane component of form, distinguishes existing pillar immersion aeration structure design, aeration
More uniform stabilization, membrane fouling rate are more slow.
Utility model content
The utility model for overcome the deficiencies in the prior art, provides a kind of reduction fouling membrane speed, improves it and uses the longevity
The pillar immersion type membrane component of the center of concatemer type containing the segmented aeration of life.
To achieve the goals above, the utility model uses following technical scheme: a kind of concatemer type containing segmented center
The pillar immersion type membrane component of aeration including putamina, the hollow fiber film thread in the putamina and is set in the putamina
Aeration tube, the aeration tube is 2-8, and the aeration tube internal diameter is 3-20mm, and the aeration tube thickness of pipe wall is 1-3mm, institute
Aeration tube is stated equipped with multiple solarization air caps；The aeration tube bottom is equipped with gas distributor；With conventional immersion, the utility model
Immersion type membrane component eliminate it is in situ in multiple rows of concentric aeration pore size distribution of inlet end, the shape being aerated using concatemer type center
Formula, filling area improve, and film wire distribution is more uniform, and compared with original bottom part holes are aerated form, 8-25% dress can be improved
Fill out area；By way of increasing and loading area, the aeration effect of membrane module is improved, the position in membrane module is carried out orderly
It washes away, reduces membrane fouling rate, improve the service life of membrane module；It is set by novel segmented concatemer type center aeration tube
Meter, is connected with gas distributor, controls the size of its aeration quantity in different aeration tubes, orderly rushed to membrane module different location
Brush reduces membrane fouling rate, improves its service life.
The putamina bottom is equipped with pedestal, and upper end body is equipped at the top of the putamina, and bottom end is equipped with lower end body, the upper end body
Be equipped with sealant in the lower end body, demarcation plate is equipped in the sealant；Sealant plays putamina inside effective close
Envelope effect, under the action of demarcation plate, to film wire separated region, convenient for the installation of aeration tube.
Upper end cover is equipped at the top of the upper end body, the upper end cover, which is equipped with, produces the mouth of a river, and the base bottom is equipped with air inlet
Mouthful, the gas distributor is set in the air inlet, and the gas distributor is connected by a connecting tube with the aeration tube
It is logical；It is connected using gas distributor with concatermer aeration tube at inlet end, under convenient gas pressure, exposure can be effectively improved
The efficiency of gas, and then the aeration quantity under per membrane area is significantly reduced, reduce energy consumption；Aeration flow is small, and pressure is big, is in jet stream
Shape is not easy to plug.
The solarization air cap is set on the designated position of the aeration tube；Aeration tube is designed using segmented solarization air cap, aeration
Hole and aeration tube itself are in that angle is put outside difference, and component internal gas circulation is more abundant, heavy for the pollutant being likely to occur
Product dead angle, is effectively aerated, and reduces pollution rate；It is aided with the form of bottom aeration, solarization air cap is laterally based on purging, and purging is obliquely downward
Auxiliary mode is avoided pollution after object floats and is recycled in the film wire of component internal always, and removal effect is bad.
Solarization air cap size on the single aeration tube is identical, and the solarization air cap on the difference aeration tube is of different sizes, institute
Stating aeration bore dia is 1-5mm, and the solarization air cap is 30-150 ° along the aeration tube diameter angle；Aeration on different aeration tubes
Hole is of different sizes, and the current rate for spraying each aeration tube is different, and the air-flow of varying strength is made to play different stirrings to water flow
Effect promotes aeration tube to the aeration effect of water body.
The putamina is semi-open cutout openings structure, and the engraved structure form is unlimited；Pass through the leak hole aperture of putamina
Structure plays good aeration effect to water flow convenient for making the air-flow in aeration tube shed out of putamina；By the way that different knots are arranged
The engraved structure of configuration formula adapts to various types of applicable situation, raises the aesthetics of membrane module.
The pillar immersion type membrane component of the center of concatemer type containing the segmented aeration is uncanned Full-open structure；It will
Membrane module is arranged to non-housing form, promotes the contact area of aeration tube water body, convenient for promoting the aeration effect to water body.
Pressure is 0.05-1MPa at the air inlet；Under phase interworking of the gas distributor with air inlet, gas is distinguished
It is passed into different aeration tubes, controls the aeration quantity size of different aeration tubes, membrane module different location is orderly washed away,
Membrane fouling rate is reduced, its service life is improved.
The hollow fiber film thread can be separated into 2-8 valve region by the demarcation plate；Under the action of demarcation plate, by film wire
Multiple regions are separated into, the region quantity being separated out is corresponding with aeration tube quantity, convenient for the installation of aeration tube.
The utility model has the advantage that by novel segmented concatemer type center aeration tube design, with gas
Distributor is connected, and controls the size of its aeration quantity in different aeration tubes, is orderly washed away to membrane module different location, reduces film
Rate is polluted, its service life is improved.
Detailed description of the invention
Fig. 1 is the knot of the pillar immersion type membrane component of the Sino-Korean segmented triplet type center aeration of the utility model embodiment
Structure schematic diagram.
Fig. 2 is enlarged drawing at the A in Fig. 1.
Fig. 3 is enlarged drawing at the B in Fig. 1.
Fig. 4 is triplet type center aeration tube distribution schematic diagram in the utility model embodiment.
Fig. 5 is the top view of triplet type center aeration tube in the utility model embodiment.
Fig. 6 is the front view of the first aeration tube in the utility model embodiment.
Fig. 7 is the front view of the second aeration tube in the utility model embodiment.
Fig. 8 is the front view of third aeration tube in the utility model embodiment.
Specific embodiment
As shown in figures 1-8, a kind of pillar immersion type membrane component of the center of concatemer type containing segmented aeration, including putamina 4,
Hollow fiber film thread 5 in the putamina 4 and the aeration tube 6 in the putamina 4, the hollow-fibre membrane is by material
Polyvinylidene fluoride film (PVDF), polychloroethylene film (PVC) etc. can be divided into；Solution phase inversion can be divided by film build method
Including film wire obtained by conventional film and fiber or support tube enhancement type composite membrane and thermotropic phase inversion (TIPS) (NIPS),；Institute
Stating aeration tube 6 is 2-8, and 6 internal diameter of the aeration tube is 3-20mm, and 6 thickness of pipe wall of the aeration tube is 1-3mm, the aeration tube 6
It is equipped with multiple solarization air caps 61；Aeration tube quantity preferably 3 or 4；It is aerated the preferred 4-8mm of bore.
4 bottom of putamina is equipped with pedestal 1, upper end body 3 is equipped at the top of the putamina 4, bottom is equipped with lower end body 2, described
It is equipped with sealant 21 in upper end body 3 and the lower end body 2, is equipped with demarcation plate in the sealant 21；The sealant uses
Epoxy resin ebonite and polyurethane, silicon rubber etc. protect the flexible glue composition of film wire root.
Upper end cover 31 is equipped at the top of the upper end body 3, the upper end cover, which is equipped with, produces the mouth of a river 32, and 1 bottom of pedestal is set
Have an air inlet 11, be equipped with gas distributor 12 in the air inlet 11, the gas distributor 12 by a connecting tube with it is described
Aeration tube 6 is connected；The connecting tube is hose or metal tube.
Aeration tube uses segmented aperture mode, i.e. each aeration tube only has a certain fragment position open pore, remaining position
For not aperture state.
61 size of solarization air cap on the single aeration tube 6 is identical, and 61 size of solarization air cap on the difference aeration tube 6 is not
Together, 61 diameter of solarization air cap is 1-5mm, is arranged in array along caliber, the solarization air cap 61 is along 6 diameter angle of the aeration tube
30-150°；Every section of the number of openings is 10-30；Pore opening is preferably 1-3mm, and every section of the number of openings is preferably 12-20.
The membrane module shell can be the cutout openings putamina of semi-open structure, and engraved structure form is unlimited, including circle
Shape, diamond shape, ellipse, rectangle etc.；It may be non-housing, the only Full-open structure of support rod；Membrane module length dimension
For 500-2500mm；Tip diameter is having a size of φ 100-300mm.
Pressure is 0.05-1MPa at the air inlet 11；The preferred 0.2-0.4MPa of inlet pressure.
The hollow fiber film thread 5 can be separated into 2-8 valve region by the demarcation plate；It is preferred that demarcation plate subregion is 3-6 valve.
Herein by taking the pillar immersion type membrane component of the type center of triplet containing segmented aeration as an example, i.e., aeration tube quantity is three
A, three aeration tubes are respectively the first aeration tube 62, the second aeration tube 63 and third aeration tube 64, and three aeration tubes are triangular in shape
Distribution；For the embodiment using the semi-open support membrane shell structure 4 for containing water inlet being diamond hole 41, putamina diameter is 225mm,
Length is 2200mm, and water inlet mouth-shaped includes but is not limited to circle, diamond shape, ellipse, rectangle, square etc., be can also be used complete
It opens without membrane shell structure.
Aeration tube need to be fixed first with demarcation plate, while pvdf membrane obtained by solution phase inversion is filled centered on demarcation plate
Thread, the solarization air cap of different-diameter is distributed on three aeration tubes；The aeration of first aeration tube, the second aeration tube and third aeration tube
Hole is opened in lower end, middle-end and the upper end position of aeration tube respectively, remaining position not aperture, lower end solarization air cap is maximum, and aperture is obliquely downward
45 °, diameter 3mm, hole count 15, upper end aeration tube is minimum, and 60 ° obliquely downward of aperture, diameter 1mm, hole count 10, middle-end solarization air cap occupies
In, vertical open pores, diameter 2mm, hole count 12；The tracheae that admission pressure is 0.2MPa is passed through gas distribution by air inlet
Device, so that the scouring effect of each aeration tube is best；It has been the epoxy ebonite and protective film of primary intensity effect in sealant
The polyurethane flexible glue composition of silk root.
When normal operation, which is passed through to the integrated effect of film frame, after being installed in cesspool, on
The production mouth of a river of end cap is entered sewage inside film wire by the open-celled structure on putamina surface by way of negative-pressure ward, while benefit
The design and reasonable aeration period being aerated with the segmented concatemer type center of the utility model can effectively reduce film wire dirt
Contaminate rate.
The prototype film of porous type bottom aeration is prepared using same film wire size and tube structure respectively and by above-mentioned reality
The pillar immersion type membrane component (three films) of the aeration of segmented triplet type center described in example is applied, and carries out the sewage under the conditions of
After contrast test 30 days (aeration quantity is different), as a result as shown in Table.
Claims (9)
1. a kind of pillar immersion type membrane component of the center of concatemer type containing segmented aeration, it is characterised in that: including putamina (4),
Hollow fiber film thread (5) in the putamina (4) and the aeration tube (6) in the putamina (4), the aeration tube
It (6) is 2-8, the aeration tube (6) internal diameter is 3-20mm, and the aeration tube (6) thickness of pipe wall is 1-3mm, the aeration tube (6)
It is equipped with multiple solarization air caps (61)；The aeration tube (6) bottom is equipped with gas distributor (12).
2. a kind of pillar immersion type membrane component of the center of concatemer type containing segmented aeration described in accordance with the claim 1, special
Sign is: putamina (4) bottom is equipped with pedestal (1), is equipped with upper end body (3) at the top of the putamina (4), and bottom is equipped with lower end body
(2), it is equipped with sealant (21) in the upper end body (3) and the lower end body (2), is equipped with and separates in the sealant (21)
Plate.
3. a kind of pillar immersion type membrane component of the center of concatemer type containing segmented aeration according to claim 2, special
Sign is: being equipped with upper end cover (31) at the top of the upper end body (3), the upper end cover, which is equipped with, produces the mouth of a river (32), the pedestal (1)
Bottom is equipped with air inlet (11), and the gas distributor (12) is set in the air inlet (11), the gas distributor (12)
It is connected by a connecting tube with the aeration tube (6).
4. a kind of pillar immersion type membrane component of the center of concatemer type containing segmented aeration described in accordance with the claim 1, special
Sign is: the solarization air cap (61) is set on the designated position of the aeration tube (6).
5. a kind of pillar immersion type membrane component of the center of concatemer type containing segmented aeration described in accordance with the claim 1, special
Sign is: solarization air cap (61) size on the single aeration tube (6) is identical, the solarization air cap on the difference aeration tube (6)
(61) of different sizes, solarization air cap (61) diameter is 1-5mm, and the solarization air cap (61) is along the aeration tube (6) diameter angle
30-150°。
6. a kind of pillar immersion type membrane component of the center of concatemer type containing segmented aeration described in accordance with the claim 1, special
Sign is: the putamina (4) is semi-open cutout openings structure, and the engraved structure form is unlimited.
7. a kind of pillar immersion type membrane component of the center of concatemer type containing segmented aeration described in accordance with the claim 1, special
Sign is: the pillar immersion type membrane component of the center of concatemer type containing the segmented aeration is uncanned Full-open structure.
8. a kind of pillar immersion type membrane component of the center of concatemer type containing segmented aeration described in accordance with the claim 3, special
Sign is: pressure is 0.05-1MPa at the air inlet (11).
9. a kind of pillar immersion type membrane component of the center of concatemer type containing segmented aeration according to claim 2, special
Sign is: the hollow fiber film thread (5) can be separated into 2-8 valve region by the demarcation plate.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920137166.6U CN209685371U (en) | 2019-01-25 | 2019-01-25 | A kind of pillar immersion type membrane component of the center of concatemer type containing segmented aeration |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920137166.6U CN209685371U (en) | 2019-01-25 | 2019-01-25 | A kind of pillar immersion type membrane component of the center of concatemer type containing segmented aeration |
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| Publication Number | Publication Date |
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| CN209685371U true CN209685371U (en) | 2019-11-26 |
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| CN201920137166.6U Withdrawn - After Issue CN209685371U (en) | 2019-01-25 | 2019-01-25 | A kind of pillar immersion type membrane component of the center of concatemer type containing segmented aeration |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117263369A (en) * | 2023-11-22 | 2023-12-22 | 水研未来(北京)环境工程技术有限公司 | Diaphragm gas-water mixing continuous cleaning device and cleaning method in membrane bioreactor |
-
2019
- 2019-01-25 CN CN201920137166.6U patent/CN209685371U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117263369A (en) * | 2023-11-22 | 2023-12-22 | 水研未来(北京)环境工程技术有限公司 | Diaphragm gas-water mixing continuous cleaning device and cleaning method in membrane bioreactor |
| CN117263369B (en) * | 2023-11-22 | 2024-02-27 | 水研未来(北京)环境工程技术有限公司 | Diaphragm gas-water mixing continuous cleaning device and cleaning method in membrane bioreactor |
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