CN203750420U - Immersed type hollow fiber membrane module with integrated function of distributing air and discharging water at two ends - Google Patents
Immersed type hollow fiber membrane module with integrated function of distributing air and discharging water at two ends Download PDFInfo
- Publication number
- CN203750420U CN203750420U CN201420178809.9U CN201420178809U CN203750420U CN 203750420 U CN203750420 U CN 203750420U CN 201420178809 U CN201420178809 U CN 201420178809U CN 203750420 U CN203750420 U CN 203750420U
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- China
- Prior art keywords
- water outlet
- water production
- seal head
- gas distribution
- membrane module
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- Expired - Lifetime
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 148
- 239000012528 membrane Substances 0.000 title claims abstract description 29
- 239000012510 hollow fiber Substances 0.000 title claims abstract description 13
- 238000007599 discharging Methods 0.000 title abstract 2
- 238000009826 distribution Methods 0.000 claims abstract description 56
- 108091006146 Channels Proteins 0.000 claims description 30
- 150000001875 compounds Chemical group 0.000 claims description 29
- 239000000835 fiber Substances 0.000 claims description 19
- 239000004744 fabric Substances 0.000 claims description 16
- 239000011148 porous material Substances 0.000 claims description 15
- 102000010637 Aquaporins Human genes 0.000 claims description 13
- 108010063290 Aquaporins Proteins 0.000 claims description 13
- 238000002955 isolation Methods 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 238000001914 filtration Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract 20
- 239000002131 composite material Substances 0.000 abstract 4
- 239000000047 product Substances 0.000 description 30
- 238000005273 aeration Methods 0.000 description 5
- 238000007789 sealing Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000010926 purge Methods 0.000 description 3
- 239000010865 sewage Substances 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 235000012489 doughnuts Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000001471 micro-filtration Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000000108 ultra-filtration Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
An immersed type hollow fiber membrane module with integrated function of distributing air and discharging water at two ends comprises an upper water production end socket, a lower water production end socket and a filtration unit which is arranged between the upper water production end socket and the lower water production end socket; a water outlet hole is formed in the upper water production seal head; upper water production space and lower water production space are respectively formed among the filtration unit, the upper water production end socket and the lower water production end socket; the filtration unit comprises a water production and air distribution composite pipe, a distribution plate, an air hole channel and a membrane filament group; the water production and air distribution composite pipe comprises an airflow channel and a water production channel which are isolated from each other; the lower water production space is communicated with the upper water production space through the water production channel; the upper end of the airflow channel is connected with an air inlet channel; the distribution plate is arranged at the lower part of the filtration unit and the upper part of the lower end water production end socket; a plurality of air outlet holes and a plurality of through holes are formed in the distribution plate; an air distribution chamber is formed in the lower end of the distribution plate; the air hole channel is formed in the lower part of the water production and air distribution composite pipe; the inner end of the air hole channel is communicated with the airflow channel; the outer end of the air hole channel is communicated with the air distribution chamber; the membrane filament group surrounds the water production and air distribution composite pipe; the membrane filament group penetrates through the through holes to be located between the upper water production space and the lower water production space.
Description
Technical field
The utility model relates to water treatment facilities, especially relates to a kind of gas distribution water outlet integrated-type double water outlet end submerged hollow fibre membrane module in bioreactor, can be used for the advanced treating of sewage, middle water reuse and water purification and produces.
Background technology
Along with the development of film industry, the application of membrane technology more and more causes people's concern in recent years.Hollow fiber film assembly is because of its unique design feature, as loading density is large, self-supporting system etc. has been widely used in the numerous areas such as sewage disposal, waste water recycling.But, in the water treatment applications for high turbidity, unavoidably there will be membrane pollution problem and membrane component dirty stifled, affect element filters efficiency and service life.Therefore, reduce that film pollutes and the stifled property of the anti-soil of membrane component, improve membrane component filter efficiency, extend its service life, the optimal design of improving flow uniformity, particularly filter core part in element is day by day concerned.
Existing submerged hollow fibre membrane module in bioreactor generally has two kinds of versions:
The first is flat rectangle membrane module, i.e. the curtain type film assembly of ordinary meaning, and shape is as curtain type.Curtain type film assembly can be realized both-end suction, but gas distribution generally needs gas distribution mechanism, and gas distribution generally adopts tubular type perforate aeration.In high-concentration sewage, aeration tube easily stops up, and loses aeration and pre-washing function, and then causes that film silk loses because of cleaning function, causes severe contamination.
The second is cylindrical film assembly, and how rounded shape is or square.Cylindrical film assembly, is generally single-ended suction, one end water outlet; Simultaneously for the pipeline complexity of aeration air purge.Single-ended suction, film silk water outlet path length, easily produces and pollutes.
For the problems referred to above, the utility model proposes the technical scheme of a kind of relative shortening water outlet along journey and gas distribution and water outlet integration mode.
Utility model content
The purpose of this utility model is, a kind of gas distribution water outlet integrated-type double water outlet end submerged hollow fibre membrane module in bioreactor is provided, and it can relatively shorten film silk and produce water flow passage, membrane module in the integrated submergence of gas distribution and water outlet.
Above-mentioned purpose of the present utility model can adopt following technical proposal to realize:
A kind of gas distribution water outlet integrated-type double water outlet end submerged hollow fibre membrane module in bioreactor, described hollow fiber film assembly comprises, water seal head and filter element are produced in lower end, upper end is produced water seal head and is provided with apopore, filter element is connected in, produce between water seal head lower end, and produce between water seal head the upper end of filter element and upper end has upper product hydrospace, produce between water seal head the lower end of filter element and lower end has lower product hydrospace, described filter element comprises: produce water gas distribution multiple tube, it has the gas channel of mutual isolation and produces aquaporin, lower product hydrospace is communicated with upper product hydrospace via producing aquaporin, the upper end of gas channel connects inlet channel, distributing disc, it is positioned at the bottom of filter element and the top that water seal head is produced in lower end, and described distributing disc has multiple steam vents and multiple through hole, and the lower end of distributing disc is provided with cloth air chamber, pore road, it is horizontally installed on the bottom of producing water gas distribution multiple tube, and the inner in described pore road is communicated with gas channel, and the outer end in pore road is communicated with cloth air chamber, film silk group, it is compassingly set at the outside of producing water gas distribution multiple tube, film silk group through through hole upper and lower product hydrospace.
Preferably, described product water gas distribution multiple tube comprises inner tube and around the outer tube that is arranged on inner tube outside, the inner space of inner tube is gas channel, space between inner and outer pipe is for producing aquaporin, the upper end of described inner tube connects inlet channel, the upper end of product hydrospace, upper end arranges described apopore, and the inner in pore road is communicated with inner tube through outer tube.
Preferably, the lower end of described filter element is provided with compound skeleton, and the lower hydrospace of producing of formation between water seal head is produced in the lower end of compound skeleton and lower end; Distributing disc is connected in compound skeleton, and distributing disc and compound skeleton and lower end are produced water seal head and formed described cloth air chamber.
Preferably, the side of described compound skeleton is provided with mudhole, and mudhole is positioned at the bottom of described cloth air chamber.
Preferably, the lower end of described inner tube is connected and sealed by sealed tube and lower end product water seal head.
Preferably, described inlet channel is positioned at upper end and produces water seal head, and inlet channel comprises tracheae, and one end of tracheae connects inner tube, and the other end of tracheae is connected in upper end by gas-tpe fitting and produces water seal head.
Preferably, the steam vent of described distributing disc and the card of distributing disc are non-perpendicular state.
Preferably, the upper end of described filter element is provided with glue-line skeleton, and the upper end of glue-line skeleton and upper end are produced between water seal head and formed and above produce hydrospace; The upper and lower end of described film silk group is connected to glue-line skeleton and compound skeleton.
Preferably, described upper end is produced between water seal head and glue-line skeleton and is connected by front band, and described lower end is produced between water seal head and compound skeleton and is connected by lower catch hoop.
Preferably, between described glue-line skeleton and compound skeleton, be connected with stay pipe, stay pipe is positioned at the outside of film silk group.
Feature and the advantage of gas distribution water outlet integrated-type double water outlet end submerged hollow fibre membrane module in bioreactor of the present utility model are:
1, produce compound integrated, the double water outlet end of water with gas distribution, reach and improve film silk performance and simplify the defect that aerating pipelines is complicated or stop up.
2, double water outlet end, film silk filters short along journey, and black box operation energy consumption is low; Air purge air-flow current are turbulent flow, have improved cleaning performance; Gas distribution and water outlet are compound integrated, have simplified follow-up equipment pipeline, simple installation.
Brief description of the drawings
In order to be illustrated more clearly in the technical scheme in the utility model embodiment, below the accompanying drawing of required use during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is that the master of the cross-section structure of hollow fiber film assembly of the present utility model looks schematic diagram, is also the B-B line generalized section of Fig. 3;
Fig. 2 is the schematic side view (removal stay pipe) of the cross-section structure of hollow fiber film assembly of the present utility model, is also the A-A line generalized section of Fig. 3;
Fig. 3 is the schematic top plan view of hollow fiber film assembly of the present utility model;
Fig. 4 is the C-C line generalized section of Fig. 1;
Fig. 5 A is that the master of the distributing disc of hollow fiber film assembly of the present utility model looks schematic diagram;
Fig. 5 B is the top cross-sectional view of the distributing disc of hollow fiber film assembly of the present utility model;
Fig. 6 A is that the master of the product water gas distribution multiple tube cross-section structure of hollow fiber film assembly of the present utility model looks schematic diagram;
Fig. 6 B is the schematic top plan view of the product water gas distribution multiple tube of hollow fiber film assembly of the present utility model.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
As shown in Fig. 1 to Fig. 6 B, the utility model proposes a kind of gas distribution water outlet integrated-type double water outlet end submerged hollow fibre membrane module in bioreactor, it comprises that upper and lower end produces water seal head 1,2 and filter element.Upper end is produced water seal head 1 and is provided with apopore 1b.Filter element is connected in upper and lower end and produces between water seal head 1,2, and produce between water seal head 1 upper end of filter element and upper end has upper product hydrospace 1a, produce between water seal head 2 lower end of filter element and lower end has lower product hydrospace 2a, described filter element comprises product water gas distribution multiple tube 3, distributing disc 4, pore road 5 and film silk group 6.Produce water gas distribution multiple tube 3 and have the gas channel of mutual isolation and produce aquaporin, lower product hydrospace 2a is communicated with upper product hydrospace 1b via producing aquaporin, and the upper end of gas channel connects inlet channel.Distributing disc 4 is positioned at the bottom of filter element and the top that water seal head 2 is produced in lower end, and distributing disc 4 has multiple steam vent 4a and multiple through hole 4b, and the lower end of distributing disc 4 is provided with cloth air chamber 4c.Pore road 5 is horizontally installed on the bottom of producing water gas distribution multiple tube 3, and the inner in pore road 5 is communicated with gas channel, and the outer end in pore road 5 is communicated with cloth air chamber 4c.Film silk group 6 is compassingly set at the outside of producing water gas distribution multiple tube 3, film silk group 6 through through hole 4b upper and lower product hydrospace 1a, 2a.
Wherein, fiber film component can be circle or square column structure.Filter element can be doughnut micro-filtration or ultrafiltration module.
Coordinate shown in Fig. 2, present embodiment in use, fiber film component is installed for the immersion of water body, the film silk group 6 that makes water see through multiple hollow fiber film thread compositions enters respectively upper and lower product hydrospace 1a, 2a after filtering, water S in lower product hydrospace 2a flows into the upper hydrospace 1a of producing by producing aquaporin, hydrospace 1a converges with upper product, discharges through apopore 1b; Meanwhile, air-flow Q enters gas channel via inlet channel, and enters cloth air chamber 4c via pore road 5, and the air-flow of cloth air chamber 4c is discharged via the steam vent 4a of distributing disc 4, and the dirt on film silk is washed out, and realizes the gas scrub function of film silk.
Lower product of the present utility model hydrospace 2a water outlet is confluxed with the 1a water outlet of upper product hydrospace by producing water gas distribution multiple tube 3, and the upper and lower side both-end of realizing assembly produces water, has relatively shortened the water outlet of film silk group 6 along journey, has improved critical flux running time, has reduced energy consumption; Make gas distribution and water outlet compound integrated through producing water gas distribution multiple tube 3, simplified air purge pipeline, succinct, facilitate.
Wherein, the aperture of the through hole 4b of distributing disc 4 can be greater than the aperture of steam vent 4a, and steam vent 4a and through hole 4b can be distributed in distributing disc 4, and steam vent 4a is arranged at through hole 4b around.
Coordinate shown in Fig. 6 A and Fig. 6 B, described product water gas distribution multiple tube 3 comprises inner tube 3a and around the outer tube 3b that is arranged on inner tube 3a outside, the inner space of inner tube 3a can be gas channel, space between inner and outer pipe 3a, 3b can be product aquaporin, the upper end of inner tube 3a connects inlet channel, and the upper end of upper product hydrospace 1a sets out water hole 1b.The inner in pore road 5 is communicated with inner tube 3a through outer tube 3b.Now, air-flow enters inner tube (gas channel) from the upper end of inner tube 3a, and enters cloth air chamber via pore road 5; Water in lower product hydrospace 2a confluxes in upper product hydrospace 1a by the product aquaporin between inner and outer pipe 3a, 3b, and discharges via apopore 1b.In the present embodiment, producing water gas distribution multiple tube 3 is interior outer double-layer structure, isolation mutually between them, and air-flow carries out built-in aeration by multiple tube 3, realizes the gas scrub function of film silk.
As shown in Figure 1, 2, the lower end of described filter element is provided with compound skeleton 7, and the lower hydrospace 2a of producing of formation between water seal head 2 is produced in the lower end of compound skeleton 7 and lower end.Distributing disc 4 is connected in compound skeleton 7, and distributing disc 4 produces water seal head 2 threes with compound skeleton 7 and lower end and jointly forms cloth air chamber 4c.
As shown in Figure 2, the side of described compound skeleton 7 is provided with mudhole 7a, and mudhole 7a is positioned at the bottom of cloth air chamber 4c.The dirt dropping from film silk group 6 can be discharged via mudhole 7a, to avoid dirt accumulation in cloth air chamber 4c.Mudhole 7a can be multiple, is evenly arranged along the periphery of compound skeleton 7.
As shown in Figure 1, 2, producing the lower end that water gas distribution pipe closes pipe 3 is isolated gas, is produced water, Yuan Shui by sealed tube 8.Specifically, the lower end of inner tube 3a is produced water seal head 2 by sealed tube 8 and lower end and is connected and sealed, and sealed tube 8 connects with former water, prevents and treats the interior dirt of piling up of inner tube 3a.Wherein, between sealed tube 8 and inner tube 3a, can be connected with sealing ring 8a, sealed tube 8 and lower end are produced between water seal head 2 and are connected with sealing ring 8b, realize and being tightly connected with this.
As shown in Figure 2, described inlet channel is positioned at upper end and produces water seal head 1a, and inlet channel comprises tracheae 9, and one end of tracheae 9 connects inner tube 3a, and the other end of tracheae 9 is connected in upper end by gas-tpe fitting 9a and produces water seal head 1.Air-flow enters the gas channel of inner tube via gas-tpe fitting 9a, tracheae 9.
As shown in Fig. 5 A and Fig. 5 B, the steam vent 4a of described distributing disc 4 and the card of distributing disc 4 are non-perpendicular state, the central axis that is the steam vent 4a of distributing disc 4 tilts with respect to the center line of distributing disc 4, is that steam vent 4a is the state that is from the top down outward-dipping herein.So can make the turbulent condition that is of air-flow, current, strengthening developing result.
The upper end of described filter element is provided with glue-line skeleton 10, and the upper end of glue-line skeleton 10 and upper end are produced between water seal head 1 and formed and above produce hydrospace 1a; The upper and lower end of described film silk group 6 is connected to glue-line skeleton 10 and compound skeleton 7.
Described upper end is produced between water seal head 1 and glue-line skeleton 10 and is connected with sealing ring 10a, and upper end is produced water seal head 1 and is linked together by front band 11a with glue-line skeleton 10, described lower end is produced between water seal head 2 and compound skeleton 7 and is also connected with sealing ring, and lower end is produced water seal head 2 and linked together by lower catch hoop 11b with compound skeleton 7.
As shown in Fig. 1 and Fig. 3,4, between described glue-line skeleton 10 and compound skeleton 7, be connected with stay pipe 12, stay pipe 12 is positioned at the outside of film silk group 6.
The foregoing is only several embodiment of the present utility model, those skilled in the art can carry out various changes to the utility model embodiment according to application documents are disclosed, modification or combination and do not depart from spirit and scope of the present utility model.For example, above-mentioned product water gas distribution multiple tube 3 taking in inner tube as gas channel, space between inner and outer pipe is that example is illustrated for producing aquaporin, but, in another embodiment of product water gas distribution multiple tube, the inner space of the inner tube of described product water gas distribution multiple tube can be product aquaporin, and the space between inner and outer pipe can be gas channel, those skilled in the art can adjust accordingly structure on the basis of above-mentioned embodiment, still have above-mentioned technique effect.
Claims (10)
1. a gas distribution water outlet integrated-type double water outlet end submerged hollow fibre membrane module in bioreactor, it is characterized in that, described hollow fiber film assembly comprises that upper and lower end produces water seal head and filter element, upper end is produced water seal head and is provided with apopore, filter element is connected in upper and lower end and produces between water seal head, and produce between water seal head the upper end of filter element and upper end has upper product hydrospace, produce between water seal head the lower end of filter element and lower end has lower product hydrospace, and described filter element comprises:
Produce water gas distribution multiple tube, it has the gas channel of mutual isolation and produces aquaporin, and lower product hydrospace is communicated with upper product hydrospace via producing aquaporin, and the upper end of gas channel connects inlet channel;
Distributing disc, it is positioned at the bottom of filter element and the top that water seal head is produced in lower end, and described distributing disc has multiple steam vents and multiple through hole, and the lower end of distributing disc is provided with cloth air chamber;
Pore road, it is horizontally installed on the bottom of producing water gas distribution multiple tube, and the inner in described pore road is communicated with gas channel, and the outer end in pore road is communicated with cloth air chamber;
Film silk group, it is compassingly set at the outside of producing water gas distribution multiple tube, film silk group through through hole upper and lower product hydrospace.
2. gas distribution water outlet integrated-type double water outlet end submerged hollow fibre membrane module in bioreactor according to claim 1, it is characterized in that, described product water gas distribution multiple tube comprises inner tube and around the outer tube that is arranged on inner tube outside, the inner space of inner tube is gas channel, space between inner and outer pipe is for producing aquaporin, the upper end of described inner tube connects inlet channel, and the upper end of product hydrospace, upper end arranges described apopore, and the inner in pore road is communicated with inner tube through outer tube.
3. gas distribution water outlet integrated-type double water outlet end submerged hollow fibre membrane module in bioreactor according to claim 1, is characterized in that, the lower end of described filter element is provided with compound skeleton, and the lower hydrospace of producing of formation between water seal head is produced in the lower end of compound skeleton and lower end; Distributing disc is connected in compound skeleton, and distributing disc and compound skeleton and lower end are produced water seal head and formed described cloth air chamber.
4. gas distribution water outlet integrated-type double water outlet end submerged hollow fibre membrane module in bioreactor according to claim 3, is characterized in that, the side of described compound skeleton is provided with mudhole, and mudhole is positioned at the bottom of described cloth air chamber.
5. gas distribution water outlet integrated-type double water outlet end submerged hollow fibre membrane module in bioreactor according to claim 2, is characterized in that, the lower end of described inner tube is produced water seal head by sealed tube and lower end and is connected and sealed.
6. gas distribution water outlet integrated-type double water outlet end submerged hollow fibre membrane module in bioreactor according to claim 2, it is characterized in that, described inlet channel is positioned at upper end and produces water seal head, inlet channel comprises tracheae, one end of tracheae connects inner tube, and the other end of tracheae is connected in upper end by gas-tpe fitting and produces water seal head.
7. gas distribution water outlet integrated-type double water outlet end submerged hollow fibre membrane module in bioreactor according to claim 1, is characterized in that, the steam vent of described distributing disc and the card of distributing disc are non-perpendicular state.
8. gas distribution water outlet integrated-type double water outlet end submerged hollow fibre membrane module in bioreactor according to claim 3, is characterized in that, the upper end of described filter element is provided with glue-line skeleton, and the upper end of glue-line skeleton and upper end are produced between water seal head and formed and above produce hydrospace; The upper and lower end of described film silk group is connected to glue-line skeleton and compound skeleton.
9. gas distribution water outlet integrated-type double water outlet end submerged hollow fibre membrane module in bioreactor according to claim 8, it is characterized in that, described upper end is produced between water seal head and glue-line skeleton and is connected by front band, and described lower end is produced between water seal head and compound skeleton and is connected by lower catch hoop.
10. gas distribution water outlet integrated-type double water outlet end submerged hollow fibre membrane module in bioreactor according to claim 8, is characterized in that, between described glue-line skeleton and compound skeleton, be connected with stay pipe, stay pipe is positioned at the outside of film silk group.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420178809.9U CN203750420U (en) | 2014-04-14 | 2014-04-14 | Immersed type hollow fiber membrane module with integrated function of distributing air and discharging water at two ends |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420178809.9U CN203750420U (en) | 2014-04-14 | 2014-04-14 | Immersed type hollow fiber membrane module with integrated function of distributing air and discharging water at two ends |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203750420U true CN203750420U (en) | 2014-08-06 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420178809.9U Expired - Lifetime CN203750420U (en) | 2014-04-14 | 2014-04-14 | Immersed type hollow fiber membrane module with integrated function of distributing air and discharging water at two ends |
Country Status (1)
| Country | Link |
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| CN (1) | CN203750420U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108128886A (en) * | 2018-01-11 | 2018-06-08 | 安徽泛湖生态科技股份有限公司 | A kind of membrane filtration and aeration integrated device |
-
2014
- 2014-04-14 CN CN201420178809.9U patent/CN203750420U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108128886A (en) * | 2018-01-11 | 2018-06-08 | 安徽泛湖生态科技股份有限公司 | A kind of membrane filtration and aeration integrated device |
| CN108128886B (en) * | 2018-01-11 | 2021-02-05 | 安徽泛湖生态科技股份有限公司 | Membrane filtration and aeration integrated device |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
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Granted publication date: 20140806 |