CN104043334B - A kind of film unit being made up of split type hollow-fibre membrane curtain assembly - Google Patents
A kind of film unit being made up of split type hollow-fibre membrane curtain assembly Download PDFInfo
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- CN104043334B CN104043334B CN201410212010.1A CN201410212010A CN104043334B CN 104043334 B CN104043334 B CN 104043334B CN 201410212010 A CN201410212010 A CN 201410212010A CN 104043334 B CN104043334 B CN 104043334B
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- catchments
- pipe
- plastic
- film
- film frame
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- 239000012528 membrane Substances 0.000 title claims abstract description 63
- 239000000835 fiber Substances 0.000 title claims abstract description 22
- 239000012510 hollow fiber Substances 0.000 claims abstract description 26
- 238000009826 distribution Methods 0.000 claims abstract description 6
- 238000005273 aeration Methods 0.000 claims description 40
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 25
- 238000005276 aerator Methods 0.000 claims description 22
- 229910000831 Steel Inorganic materials 0.000 claims description 12
- 239000010959 steel Substances 0.000 claims description 12
- 229920001875 Ebonite Polymers 0.000 claims description 10
- RRHGJUQNOFWUDK-UHFFFAOYSA-N Isoprene Chemical compound CC(=C)C=C RRHGJUQNOFWUDK-UHFFFAOYSA-N 0.000 claims description 9
- 239000003292 glue Substances 0.000 claims description 6
- 229920005989 resin Polymers 0.000 claims description 6
- 239000011347 resin Substances 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 5
- 230000000712 assembly Effects 0.000 claims description 3
- 238000000429 assembly Methods 0.000 claims description 3
- 238000005265 energy consumption Methods 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 238000005538 encapsulation Methods 0.000 abstract description 3
- 239000000463 material Substances 0.000 abstract description 3
- 230000003014 reinforcing effect Effects 0.000 abstract description 3
- 229910001220 stainless steel Inorganic materials 0.000 abstract description 3
- 239000010935 stainless steel Substances 0.000 abstract description 3
- 238000003466 welding Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 210000000578 peripheral nerve Anatomy 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
Abstract
A kind of split type hollow-fibre membrane curtain assembly, its square groove plastic that catchments is arranged on and catchments in circular groove plastic, hollow fiber membrane bundle inserts in the way of both ends open and catchments in square groove plastic, split-type structural, encapsulating note envelope technique is made to be simplified, crop operation is not limited by plastic component structure of catchmenting, and by changing the effective area of encapsulation hollow-fibre membrane, the length of membrane module can freely change.Membrane module is threaded connection component film unit in film frame, film frame is propped up stay tube by surrounding column, top horizontal, bottom level props up stay tube and distribution device props up stay tube and constitutes, the pipeline that catchments uses the stainless steel pipe welding production of material identical with film frame, the pipeline that catchments supports tube portion multiplexing with film frame, auxiliary is provided to support for film frame, the structural strength of reinforcing membrane frame and bearing capacity, reduce film frame cost of manufacture, it is beneficial to optimize design besides catchment pipeline, simplify pipe-line layout, layout is succinct and pipeline crushing is greatly reduced, and can effectively reduce the operation energy consumption of MBR system.
Description
Technical field
The invention belongs to membrane bioreactor (MBR) technical field, be specifically related to a kind of by split type hollow-fibre membrane curtain
The film unit that formula assembly is constituted, is applied to sewage disposal.
Background technology
Existing membrane module is to use integral type to catchment plastic by the two ends sealing molding of hollow-fibre membrane, this integral type collection mostly
Water plastic component structure significantly limit membrane module making technology, makes encapsulating note envelope and crop operation become complex and difficult.
Also have and catchmented the version that plastic end face aperture mode carries out improveing by expansion, but actual effect is unsatisfactory, and film group
Part structure is invalidly expanded.Existing film unit is typically made up of, respectively support membrane frame, the part such as pipeline, aerator of catchmenting
Partial function and structure are separate, and the layout of the pipeline that catchments often is limited to support membrane frame so that the intrinsic pressure damage of the pipeline that catchments
Relatively big, and then add the operation energy consumption of MBR system.
Summary of the invention
The present invention mainly solves the technical problem existing for above-mentioned prior art, it is provided that a kind of by split type hollow-fibre membrane
The film unit that curtain assembly is constituted.
The above-mentioned technical problem of the present invention is mainly addressed by following technical proposals: a kind of split type hollow-fibre membrane
Curtain assembly, including the plastic that catchments at upper and lower two ends, catchments and is provided with some hollow fiber membrane bundles between plastic, described in catchment and mould
Part includes the square groove plastic that catchments, and hollow fiber membrane bundle inserts in the way of both ends open and catchments in square groove plastic, fine near hollow
The resin note envelope hollow fiber membrane bundle that the side hardness of dimension perineurium port is higher forms ebonite layer, at ebonite layer and the square groove that catchments
Carrying out note envelope with the resin that hardness is relatively low between plastic opening interface and form flexible glue layer, flexible glue layer can protect hollow fiber membrane bundle
Root unlikely fracture under certain external force pulls；The square groove plastic that catchments is arranged on and catchments in circular groove plastic, and catchment circular groove plastic
One end is provided with outer silk articulation, and the other end is provided with closure end cap, catchments and forms collect cavity between circular groove plastic and ebonite layer, in
The inner chamber of hollow fiber perineurium is connected with collect cavity, and is communicated to the centre bore of outer silk articulation.
A kind of film unit being made up of split type hollow-fibre membrane curtain assembly, including film frame, film frame be provided with the pipeline that catchments,
Aerator, the pipeline that catchments connects some hollow fiber film assemblies, and described film frame is connected end face horizontal support by surrounding column
Pipe and bottom surface horizontal support pipe are constituted；The described pipeline that catchments includes being arranged between relative two end face horizontal support pipes with relative
Two level set water pipes up and down between two foundation face horizontal support pipes, erect via some between upper and lower two level set water pipes
Straight collector pipe is connected, upper horizontal collector pipe be arranged above with some pipes that vertically catchments, the specification according to film unit is different,
Vertically collector pipe and the pipe that vertically catchments are evenly distributed on the length direction of level set water pipe, typically arrange 24 groups, so
The water-flow equation in pipeline that can make to catchment is uniform, can effectively reduce pipeline inner pressure loss, reduce the operation energy consumption of MBR system；
The pipe that vertically catchments is arranged above with level and catchments pipe, level catchment pipe through the circular pipe communicated that vertically catchments to level set water pipe,
Level catchment pipe one end close, the opening part of the other end is provided with water-output flange, and the both sides of level set water pipe are provided with some collection
Water aperture, the spacing of offering of the aperture that catchments carrys out reasonable set according to the mounting arrangements spacing of membrane module, outside the aperture that catchments is provided with
Silk union joint, outer silk union joint is bolted with steel seal connector, sheathed loose joint screw capping, hollow on steel seal connector
The fiber film component outer silk articulation through circular groove plastic one end of catchmenting is connected on loose joint screw capping；Described aerator includes arranging
At least vertical air inlet pipe on film frame, the upper end open of vertical air inlet pipe is set to air inlet, under vertical air inlet pipe
Holding and connect aeration house steward through elbow, aeration house steward both sides are provided with some aeration branch pipes, and the arrangement pitch of aeration branch pipe is according to film group
Part arrangement pitch carrys out reasonable set, the base portion of aeration branch pipe through large tile connect on aeration house steward, the afterbody of aeration branch pipe by
Boring cover is closed, and the wall body of aeration branch pipe is offered some solarization air caps.During work, film unit is immersed in cesspool, through water outlet
Flange carries out negative pressure-pumping to collect cavity, purifies water and enters collect cavity through the interface of hollow fiber membrane bundle.
As preferably, described additionally relative to two end face horizontal support pipes be additionally all provided with relative on two foundation face horizontal support pipes
There are big pipe clamp, big pipe clamp to be screwed and prop up stay tube and bottom level props up on stay tube at top horizontal, be used for that card dress is fixing to catchment
Plastic, and then fixing hollow fiber film assembly；Being provided with aerator bottom described film frame and prop up stay tube, aerator props up stay tube even
It is connected on surrounding column, wherein supports pipe relative to two aerators and be used for supporting aeration house steward, additionally relative to two aeration dresses
Putting and be equipped with little pipe clamp on a stay tube, little pipe clamp is screwed and props up on stay tube at distribution device, is used for card dress immobilized film and props up
Pipe.
As preferably, the surrounding column of described film frame is provided with hanger, it is simple to lifting film frame.
As preferably, when described loose joint screw capping connects the outer silk articulation of circular groove plastic one end of catchmenting, steel seal connector with
It is additionally provided with sealing ring between outer silk articulation.
As preferably, the solarization air cap on described aeration branch pipe wall body is divided into the end face solarization air cap being arranged on aeration branch pipe top and sets
Putting the bottom surface solarization air cap in aeration branch pipe bottom, the quantity of end face solarization air cap is more than the quantity of bottom surface solarization air cap, end face solarization air cap
Aperture less than the aperture of bottom surface solarization air cap.
Membrane module in the present invention catchment plastic use split-type structural, make encapsulating note envelope technique be simplified, crop operation is not
By catchmenting, plastic component structure is limited, and by changing the effective area of encapsulation hollow-fibre membrane, the length of membrane module can freely change.
Membrane module is threaded connection component film unit in film frame, quick and easy for installation.Bearing capacity according to film unit and application
Environment, selects the rustless steel square tube of the suitable trade mark or rectangular tube makes surrounding column, top horizontal props up stay tube, bottom level props up
Stay tube and distribution device prop up stay tube, and each component of the pipeline that catchments uses the stainless steel pipe welding production of material identical with film frame,
The pipeline that catchments supports tube portion multiplexing with film frame, provides auxiliary to support for film frame, the structural strength of reinforcing membrane frame and bearing capacity,
Reducing film frame cost of manufacture, be beneficial to optimize design besides and catchment pipeline, simplify pipe-line layout, layout is succinct and pipeline crushing
It is greatly reduced, can effectively reduce the operation energy consumption of MBR system.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of inventive film assembly；
Fig. 2 is that the present invention catchments a kind of structural representation of plastic；
Fig. 3 is that the present invention catchments a kind of structural representation of encapsulating note envelope hollow fiber membrane bundle in plastic；
Fig. 4 is a kind of structural representation of inventive film unit；
Fig. 5 is a kind of structural representation of inventive film frame；
Fig. 6 is that the present invention catchments a kind of structural representation of pipeline；
Fig. 7 is a kind of assembling structural representation of inventive film assembly；
Fig. 8 is a kind of structural representation of aerator of the present invention；
Fig. 9 is a kind of sectional structure schematic diagram of aeration branch pipe of the present invention.
In figure, 1-catchments square groove plastic, the outer silk articulation of 2-, and 3-catchments circular groove plastic, and 4-blocks end cap, and 5-catchments plastic,
6-hollow fiber membrane bundle, 7-ebonite layer, 8-flexible glue layer, 9-membrane module, 10-hanger, 11-surrounding column, 12-top water
A flat stay tube, 13-bottom level props up stay tube, and 14-aerator props up stay tube, 15-level set water pipe, the vertical collector pipe of 16-,
17-level is catchmented pipe, and 18-vertically catchments pipe, 19-water-output flange, and 20-catchments aperture, 21-collect cavity, 22-aeration
House steward, 23-elbow, 24-large tile, 25-aeration branch pipe, 26-boring cover, 27-aerator, 28-end face solarization air cap, 29-
Bottom surface solarization air cap, the vertical air inlet pipe of 30-, 31-air inlet, the little pipe clamp of 32-, the big pipe clamp of 33-, 34-sealing ring, 35-steel
Seal connector, 36-loose joint screw capping, the outer silk union joint of 37-, 38-catchments pipeline, 39-film frame, 40-film unit.
Detailed description of the invention
Below by embodiment, and combine accompanying drawing, technical scheme is described in further detail.
Embodiment: referring to Fig. 1～3, the split type hollow-fibre membrane curtain assembly of the present invention includes the plastic that catchments at upper and lower two ends,
Catchmenting and be provided with some hollow fiber membrane bundles between plastic, the plastic that catchments includes the square groove plastic that catchments, and hollow fiber membrane bundle is with two ends
The mode of opening is inserted and is catchmented in square groove plastic, near the side hardness of hollow-fibre membrane beam port higher resin note envelope
Hollow fiber membrane bundle forms ebonite layer, carries out with the resin that hardness is relatively low between square groove plastic opening interface at ebonite layer and catchmenting
Note envelope forms flexible glue layer, and flexible glue layer can protect root unlikely fracture under certain external force pulls of hollow fiber membrane bundle；Catchment
Square groove plastic is arranged on and catchments in circular groove plastic, and circular groove plastic one end of catchmenting is provided with outer silk articulation, and the other end is provided with closure end
Lid, catchments and forms collect cavity between circular groove plastic and ebonite layer, and the inner chamber of hollow fiber membrane bundle is connected with collect cavity, and even
Pass to the centre bore of outer silk articulation.
Referring to Fig. 4～9, in the film unit of the present invention, film frame is provided with the pipeline that catchments, aerator, and the pipeline that catchments connects
Some hollow fiber film assemblies, wherein film frame is connected end face horizontal support pipe by surrounding column and bottom surface horizontal support pipe is constituted,
The surrounding column of film frame is provided with hanger, it is simple to lifting film frame, with relative two foundation between relative two end face horizontal support pipes
Upper and lower two level set water pipes it are provided with, via some vertical collection between upper and lower two level set water pipes between the horizontal support pipe of face
Water pipe is connected, upper horizontal collector pipe be arranged above with some pipes that vertically catchments, different according to the specification of film unit, perpendicular
Straight collector pipe and the pipe that vertically catchments are evenly distributed on the length direction of level set water pipe, typically arrange 24 groups, such energy
The water-flow equation in pipeline that makes to catchment is uniform, can effectively reduce pipeline inner pressure loss, reduce the operation energy consumption of MBR system.Perpendicular
The pipe that directly catchments is arranged above with level and catchments pipe, level catchment pipe through the circular pipe communicated that vertically catchments to level set water pipe, water
One end of the flat pipe that catchments is closed, and the opening part of the other end is provided with water-output flange, and the both sides of level set water pipe are provided with some catchmenting
Aperture, the spacing of offering of the aperture that catchments carrys out reasonable set according to the mounting arrangements spacing of membrane module, and the aperture that catchments is provided with outer silk
Union joint, outer silk union joint is bolted with steel seal connector, sheathed loose joint screw capping on steel seal connector, and hollow is fine
The dimension membrane module outer silk articulation through circular groove plastic one end of catchmenting is connected on loose joint screw capping, and steel seal connector is lived with outer silk
Sealing ring it is additionally provided with between joint.Additionally relative to two end face horizontal support pipes with additionally relative on two foundation face horizontal support pipes
Being equipped with big pipe clamp, big pipe clamp is screwed and props up stay tube and bottom level props up on stay tube at top horizontal, is used for card dress fixing
Catchment plastic, and then fixing hollow fiber film assembly.Aerator includes at least vertical air inlet pipe being arranged on film frame,
Vertically the upper end open of air inlet pipe is set to air inlet, and the lower end of vertical air inlet pipe connects aeration house steward, aeration house steward through elbow
Both sides are provided with some aeration branch pipes, be provided with aerator and prop up stay tube bottom film frame, and aerator props up stay tube and is connected to surrounding column
On, wherein support pipe relative to two aerators and be used for supporting aeration house steward, additionally prop up on stay tube equal relative to two aerators
Being provided with little pipe clamp, little pipe clamp is screwed and props up on stay tube at distribution device, is used for card dress immobilized film arm.Aeration branch pipe
Arrangement pitch carry out reasonable set according to membrane module arrangement pitch, the base portion of aeration branch pipe through large tile connect aeration house steward
On, the afterbody of aeration branch pipe is closed by boring cover, the wall body of aeration branch pipe is offered some solarization air caps, on aeration branch pipe wall body
Solarization air cap is divided into the end face solarization air cap being arranged on aeration branch pipe top and the bottom surface solarization air cap being arranged on aeration branch pipe bottom, end face
The quantity of solarization air cap is more than the quantity of bottom surface solarization air cap, and the aperture of end face solarization air cap is less than the aperture of bottom surface solarization air cap, such
Structure make aerator aeration effect it is further preferred that.During work, film unit is immersed in cesspool, through water-output flange to collect cavity
Carry out negative pressure-pumping, purify water and enter collect cavity through the interface of hollow fiber membrane bundle.
Membrane module in the present invention catchment plastic use split-type structural, make encapsulating note envelope technique be simplified, crop operation is not
By catchmenting, plastic component structure is limited, and by changing the effective area of encapsulation hollow-fibre membrane, the length of membrane module can freely change.
Membrane module is threaded connection component film unit in film frame, quick and easy for installation.Bearing capacity according to film unit and application
Environment, selects the rustless steel square tube of the suitable trade mark or rectangular tube makes surrounding column, top horizontal props up stay tube, bottom level props up
Stay tube and distribution device prop up stay tube, and each component of the pipeline that catchments uses the stainless steel pipe welding production of material identical with film frame,
The pipeline that catchments supports tube portion multiplexing with film frame, provides auxiliary to support for film frame, the structural strength of reinforcing membrane frame and bearing capacity,
Reducing film frame cost of manufacture, be beneficial to optimize design besides and catchment pipeline, simplify pipe-line layout, layout is succinct and pipeline crushing
It is greatly reduced, can effectively reduce the operation energy consumption of MBR system.
Finally it is pointed out that above example to be only the present invention more representational a kind of technical scheme, the invention is not restricted to
Above-described embodiment, it is also possible to have many deformation, described in this patent, membrane module can make different length according to required effective film area
Specification, in described film unit, arrangement, arrangement pitch and layout quantity between membrane module all can the most arbitrarily be adjusted
Joint, to meet user at membrane cisterna size, the diversity requirements of the process aspect such as the water yield and water quality treatment.Every according to the present invention
Technical spirit any simple modification, equivalent variations and modification that above example is made, be all considered as belonging to the present invention's
Protection domain.
Claims (6)
1. the film unit being made up of split type hollow-fibre membrane curtain assembly, described split type hollow-fibre membrane curtain assembly includes the plastic that catchments at upper and lower two ends, catchment and between plastic, be provided with some hollow fiber membrane bundles, the plastic that catchments described in it is characterized in that includes the square groove plastic that catchments, hollow fiber membrane bundle inserts in the way of both ends open and catchments in square groove plastic, the resin note envelope hollow fiber membrane bundle higher near the side hardness of hollow-fibre membrane beam port forms ebonite layer, ebonite layer and catchment between square groove plastic opening interface with the resin that hardness is relatively low carry out note envelope formed flexible glue layer；The square groove plastic that catchments is arranged on and catchments in circular groove plastic, circular groove plastic one end of catchmenting is provided with outer silk articulation, the other end is provided with closure end cap, catchment and between circular groove plastic and ebonite layer, form collect cavity, the inner chamber of hollow fiber membrane bundle is connected with collect cavity, and it is communicated to the centre bore of outer silk articulation, described film unit includes film frame, film frame is provided with the pipeline that catchments, aerator, catchmenting and connect some hollow fiber film assemblies on pipeline, described film frame is connected end face horizontal support pipe by surrounding column and bottom surface horizontal support pipe is constituted；The described pipeline that catchments includes being arranged on the two level set water pipes up and down between relative two end face horizontal support pipes and between relative two foundation face horizontal support pipes, it is connected via some vertical collector pipes between upper and lower two level set water pipes, upper horizontal collector pipe be arranged above with some pipes that vertically catchments, the pipe that vertically catchments is arranged above with level and catchments pipe, level catchment pipe through the circular pipe communicated that vertically catchments to level set water pipe, level catchment pipe one end close, the opening part of the other end is provided with water-output flange, the both sides of level set water pipe are provided with some apertures that catchments, the aperture that catchments is provided with outer silk union joint, it is bolted with steel seal connector on outer silk union joint, sheathed loose joint screw capping on steel seal connector, the hollow fiber film assembly outer silk articulation through circular groove plastic one end of catchmenting is connected on loose joint screw capping；Described aerator includes at least vertical air inlet pipe being arranged on film frame, vertically the upper end open of air inlet pipe is set to air inlet, vertically the lower end of air inlet pipe connects aeration house steward through elbow, aeration house steward both sides are provided with some aeration branch pipes, the base portion of aeration branch pipe connects on aeration house steward through large tile, the afterbody of aeration branch pipe is closed by boring cover, and the wall body of aeration branch pipe is offered some solarization air caps.
A kind of film unit being made up of split type hollow-fibre membrane curtain assembly, it is characterized in that described additionally relative to two end face horizontal support pipes be additionally equipped with big pipe clamp relative on two foundation face horizontal support pipes, big pipe clamp is screwed and props up stay tube and bottom level props up on stay tube at top horizontal, for card dress fixing catchment plastic, and then fixing hollow fiber film assembly.
A kind of film unit being made up of split type hollow-fibre membrane curtain assembly, it is characterized in that being provided with aerator bottom described film frame props up stay tube, aerator props up stay tube and is connected on surrounding column, wherein support pipe relative to two aerators to be used for supporting aeration house steward, additionally prop up relative to two aerators and on stay tube, be equipped with little pipe clamp, little pipe clamp is screwed and props up on stay tube at distribution device, is used for card dress immobilized film arm.
A kind of film unit being made up of split type hollow-fibre membrane curtain assembly, it is characterised in that the surrounding column of described film frame is provided with hanger.
A kind of film unit being made up of split type hollow-fibre membrane curtain assembly, when it is characterized in that the outer silk articulation that described loose joint screw capping connects circular groove plastic one end of catchmenting, between steel seal connector and outer silk articulation, it is additionally provided with sealing ring.
A kind of film unit being made up of split type hollow-fibre membrane curtain assembly, it is characterized in that the solarization air cap on described aeration branch pipe wall body is divided into the end face solarization air cap being arranged on aeration branch pipe top and the bottom surface solarization air cap being arranged on aeration branch pipe bottom, the quantity of end face solarization air cap is more than the quantity of bottom surface solarization air cap, and the aperture of end face solarization air cap is less than the aperture of bottom surface solarization air cap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410212010.1A CN104043334B (en) | 2014-05-20 | 2014-05-20 | A kind of film unit being made up of split type hollow-fibre membrane curtain assembly |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410212010.1A CN104043334B (en) | 2014-05-20 | 2014-05-20 | A kind of film unit being made up of split type hollow-fibre membrane curtain assembly |
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| Publication Number | Publication Date |
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| CN104043334A CN104043334A (en) | 2014-09-17 |
| CN104043334B true CN104043334B (en) | 2016-08-17 |
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| CN201410212010.1A Expired - Fee Related CN104043334B (en) | 2014-05-20 | 2014-05-20 | A kind of film unit being made up of split type hollow-fibre membrane curtain assembly |
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| CN104437092B (en) * | 2014-11-04 | 2016-08-24 | 北京汉青天朗水处理科技有限公司 | A kind of water process membrane separation plant |
| CN109701394A (en) * | 2019-03-08 | 2019-05-03 | 湖北聚孚膜科技有限公司 | A kind of laminar-flow type hollow fiber filtering membrane putamina |
| CN109731476B (en) * | 2019-03-08 | 2022-01-04 | 湖北聚孚膜科技有限公司 | Laminar flow type hollow fiber filter membrane |
| CN109970175A (en) * | 2019-04-28 | 2019-07-05 | 盐城海普润膜科技有限公司 | A kind of putamina for curtain type film assembly |
| CN110282730A (en) * | 2019-06-24 | 2019-09-27 | 三达膜科技（厦门）有限公司 | A kind of perineurium formula MBR film group device |
| CN110980881B (en) * | 2019-12-11 | 2022-07-05 | 苏州立升净水科技有限公司 | Membrane device |
| CN112295410A (en) * | 2020-09-28 | 2021-02-02 | 宁波水艺膜科技发展有限公司 | Hollow fiber membrane element |
| CN112337311B (en) * | 2020-10-14 | 2022-06-17 | 宁波水艺膜科技发展有限公司 | Hollow fiber curtain type membrane, membrane element and manufacturing method thereof |
| CN112387124A (en) * | 2020-11-11 | 2021-02-23 | 杰纳斯(北京)科技有限公司 | Packaging method of hollow fiber curtain type membrane element |
| CN113769590B (en) * | 2021-11-15 | 2022-04-08 | 上海威德环保有限公司 | Integrally formed MBR (membrane bioreactor) membrane unit and forming method thereof |
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| JP3283008B2 (en) * | 1999-04-02 | 2002-05-20 | 三菱レイヨン株式会社 | Filtration device and filtration method |
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| CN104043334A (en) | 2014-09-17 |
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