CN106000109A - Hollow fiber ultramicro-filtration membrane assembly and membrane performance detection device - Google Patents
Hollow fiber ultramicro-filtration membrane assembly and membrane performance detection device Download PDFInfo
- Publication number
- CN106000109A CN106000109A CN201610649432.4A CN201610649432A CN106000109A CN 106000109 A CN106000109 A CN 106000109A CN 201610649432 A CN201610649432 A CN 201610649432A CN 106000109 A CN106000109 A CN 106000109A
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- Prior art keywords
- pipeline
- sample cell
- conduit
- way cock
- control valve
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
- B01D63/02—Hollow fibre modules
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/14—Ultrafiltration; Microfiltration
- B01D61/145—Ultrafiltration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
- B01D63/02—Hollow fibre modules
- B01D63/021—Manufacturing thereof
- B01D63/022—Encapsulating hollow fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D65/00—Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes
- B01D65/10—Testing of membranes or membrane apparatus; Detecting or repairing leaks
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/444—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by ultrafiltration or microfiltration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2325/00—Details relating to properties of membranes
- B01D2325/28—Degradation or stability over time
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/124—Water desalination
- Y02A20/131—Reverse-osmosis
Abstract
The invention relates to a hollow fiber ultramicro-filtration membrane assembly and a membrane performance detection device. The hollow fiber ultramicro-filtration membrane assembly comprises a first conduit and two second conduits, the three conduits are connected by two three-way joints, hollow fiber membrane wires go through the three conduits, and the beginning end and the tail end of the hollow fiber membrane wire and two free ends of the two second conduits are sealed. The membrane performance detection device comprises the hollow fiber ultramicro-filtration membrane assembly and a sample pool. A magnetic stirrer is arranged at the bottom of the sample pool. Third openings of the two three-way joints are connected to the sample pool through pipes. A pump is arranged on the pipe between the first three-way joint and the sample pool. One free end of one of the second conduits is connected to the pipe between the first three-way joint and the sample pool through a first pipe branch. One free end of the other one of the second conduits is connected to the sample pool through a pipe and the pipe is provided with a second pipe branch. A third pipe branch is provided on the pipe between the second three-way joint and the sample pool.
Description
Technical field
The present invention relates to a kind of hollow fibre supermicro filtration membrane assembly and film properties detection device, belong to membrane for water treatment and separate neck
Territory.
Background technology
At present ultrafiltration micro-filtration technology be widely used to drinking water, sanitary sewage, Industrial Wastewater Treatment, desalinization,
The aspects such as food and medicine.Ultra filtration hollow-fibre membrane due in unit volume membrane module its effective film area maximum,
Filtration separation efficiency is high, easily cleans, simple in construction, easy to operate, thus is used widely, and is therefore ultra micro
A kind of important form membrane that filter membrane separates.It addition, the flux of ultra filtration hollow-fibre membrane and separating property be film more
One of important performance parameter.During the molecular cut off of hollow fiber film properties such as pure water flux and ultrafilter membrane in the detection,
It is both needed to that hollow fiber film thread is packaged into assembly detect.But, owing to the membrane module manufacturing process generally used is multiple
Miscellaneous, required hollow fiber film thread is more, and detection device is the most easy to assemble and cleans, so giving the water of detection hollow-fibre membrane
Flux and membrane separating property bring much inconvenience.
Summary of the invention
For the problems referred to above, it is an object of the invention to provide a kind of be prone to dismounting, the easy to clean and hollow of simple in construction
Fiber supermicro filtration membrane assembly and film properties detection device.
For achieving the above object, the present invention takes techniques below scheme: a kind of hollow fibre supermicro filtration membrane assembly, it is special
Levy and be: it includes that first conduit and two being positioned at middle part is positioned at the second conduit of end；Described first conduit and two
Connected by first, second three way cock respectively between described second conduit；Described in described first conduit and two second
Hollow fiber film thread, the top of described hollow fiber film thread and end it is equipped with by described in packaging plastic and two the in conduit
Two free ends of two conduits seal.
In each described second conduit, the position of the adjacent described three way cock of distance one to two centimetre is provided with defat
Cotton.
Described first three way cock and described second three way cock are T-shaped tee joint quick-insertion connector.
Described first conduit is four fluorine tube, and described in two, the second conduit is polyurethane tube.
Described packaging plastic uses epoxide-resin glue and firming agent to make.
A kind of film properties detection device, it is characterised in that: it includes described hollow fibre supermicro filtration membrane assembly and for containing
The sample cell of tapping body；Magnetic stirring apparatus it is provided with, described first three way cock and described in the bottom of described sample cell
3rd opening of the second three way cock is all connected with described sample cell by pipeline, and described first three way cock is near described
The top of hollow fiber film thread, described second three way cock is near the end of described hollow fiber film thread, described being positioned at
It is provided with pump on described pipeline between first three way cock and described sample cell, connects the institute of described first three way cock
The free end stating the second conduit is connected between described first three way cock and described sample cell by the first pipeline branch road
On described pipeline, connect the free end of described second conduit of described second three way cock by pipeline and described sample cell
Connect, on the described pipeline between described second conduit and the described sample cell connecting described second three way cock
It is provided with the second pipeline branch road for sampling, described between described second three way cock and described sample cell
The 3rd pipeline branch road for sampling it is provided with on pipeline.
Described pipeline between described first three way cock and described sample cell is connected to hold by pipeline
Nitrogen or compressed-air actuated container.
By the 4th pipeline branch road and institute on the described pipeline between described first three way cock and described sample cell
State sample cell to connect, described 4th pipeline branch road is provided with one first control valve.
Described pipeline between described first three way cock and described sample cell is arranged at intervals with a first flow
Meter, one first Pressure gauge and one second control valve.
Described pipeline between described second three way cock and described sample cell is arranged at intervals with a second flow
Meter, one second Pressure gauge and one the 3rd control valve；Be positioned at connect described second three way cock described second conduit with
One the 3rd effusion meter, one the 3rd Pressure gauge and one the 4th control it is arranged at intervals with on described pipeline between described sample cell
Valve；Described first pipeline branch road is provided with one the 5th control valve, described second pipeline branch road is provided with one
Six control valves, are provided with one the 7th control valve on described 3rd pipeline branch road；At the described pipeline connecting described container
On be provided with one the 4th Pressure gauge.
Due to the fact that and take above technical scheme, it has the advantage that 1, the hollow fibre supermicro filtration membrane of the present invention
Assembly is provided with one first conduit and two second conduits, fast by two T-shaped threeways between the first conduit and two second conduits
Connection-peg connects, and is equipped with hollow fiber film thread, the top of hollow fiber film thread in the first conduit and two second conduits
Sealed by two free ends of packaging plastic and two second conduits with end, hollow fibre supermicro filtration membrane modular construction of the present invention
Simply, easy to use, good economy performance.2, the film properties detection device of the present invention is provided with hollow fibre supermicro filtration membrane group
Part and sample cell, connected by pipeline between hollow fibre supermicro filtration membrane assembly and sample cell, the present invention be prone to dismounting,
Easy to clean.3, the bottom of the film properties detection device of the present invention is provided with constant temperature blender with magnetic force, it is possible to ensure sample
The most even temperature constant of sample solution concentration in pond, inventive film device for detecting performance good stability.4, the film of the present invention
Device for detecting performance is connected to hold nitrogen or compression sky on the pipeline between the first three way cock and sample cell
The container of gas, utilizes decline of pressure, it is possible to carries out hollow fibre supermicro filtration membrane assembly filtering before sample solution and filters sample
Integrity detection after solution, thus improve the reliability of present invention detection.5, the film properties detection device of the present invention
Be provided with the 4th pipeline branch road, by the shunting action of the 4th pipeline branch road, it is possible to regulation enter the first three way cock and
The pressure of liquid and flow in hollow fiber film thread, thus improve film properties detection device and hollow fibre supermicro filtration membrane
The stability of assembly, the reliability that the present invention detects data is high.
Accompanying drawing explanation
Fig. 1 is the structural representation of hollow fibre supermicro filtration membrane assembly of the present invention
Fig. 2 is the structural representation of inventive film device for detecting performance
Detailed description of the invention
With embodiment, the present invention is described in detail below in conjunction with the accompanying drawings.
As it is shown in figure 1, the hollow fibre supermicro filtration membrane assembly of the present invention, it includes a conduit 1, two being positioned at middle part
It is positioned at the conduit 2 of end and connects conduit 1 and two three way cock 3 of two conduits 2 respectively.Lead at conduit 1 and two
Pipe 2 is equipped with hollow fiber film thread 4.Wherein, top and the end of hollow fiber film thread 4 passes through packaging plastic and two
Two free ends of conduit 2 seal.
In above-described embodiment, conduit 1 is four fluorine tube.
In above-described embodiment, two conduits 2 are polyurethane tube.
In above-described embodiment, in each conduit 2, the position of the adjacent three way cock of distance 3 one to two centimetres is provided with
Absorbent cotton, it is possible to prevent the inside of packaging plastic inflow catheter 2.
In above-described embodiment, packaging plastic uses epoxide-resin glue and firming agent to make.
In above-described embodiment, each three way cock 3 is T-shaped tee joint quick-insertion connector, it is possible to realize rapidly connect and
Dismounting.
The film properties detection device of the present invention, it includes hollow fibre supermicro filtration membrane assembly and for holding the sample of liquid
Pond 5, is provided with magnetic stirring apparatus 6 in the bottom of sample cell 5.3rd opening of each three way cock 3 all passes through pipeline
It is connected with sample cell 5.At the pipe that the three way cock 3 being located close to hollow fiber film thread 4 top is connected with sample cell 5
Pump 7 it is provided with on line.The free end of the conduit 2 near hollow fiber film thread 4 top is connected to by pipeline branch road 8
It is located close on the pipeline between three way cock 3 and the sample cell 5 at hollow fiber film thread 4 top.Near doughnut
The free end of the conduit 2 of film silk 4 end is connected with sample cell 5 by pipeline, is being located close to hollow fiber film thread 4
The pipeline branch road 9 for sampling it is provided with on pipeline between conduit 2 and the sample cell 5 of end.In being located close to
The pipeline branch road for sampling it is provided with on pipeline between three way cock 3 and the sample cell 5 of hollow fiber film silk 4 end
10。
In above-described embodiment, on the pipeline being connected between three way cock 3 with sample cell 5 and with pipeline branch road 8
It is connected to hold nitrogen or compressed-air actuated container 11 by pipeline.
In above-described embodiment, on the pipeline being connected between three way cock 3 with sample cell 5 and with pipeline branch road 8
It is connected with sample cell 5 by pipeline branch road 12, pipeline branch road 12 is provided with control valve 13, by pipeline branch road
The shunting action of 12, it is possible to regulation enters pressure and the flow of liquid in three way cock 3 and hollow fiber film thread 4.
In above-described embodiment, on the pipeline being connected between three way cock 3 with sample cell 5 and with pipeline branch road 8
It is arranged at intervals with flow meters 14, Pressure gauge 15 and a control valve 16.
In above-described embodiment, between conduit 2 with sample cell 5 and and the pipeline that is connected of pipeline branch road 9 on be spaced
It is provided with flow meters 14, Pressure gauge 15 and a control valve 17.
In above-described embodiment, on the pipeline being connected between three way cock 3 with sample cell 4 and with pipeline branch road 10
It is arranged at intervals with flow meters 14, Pressure gauge 15 and a control valve 18.
In above-described embodiment, pipeline branch road 8 is provided with a control valve 19, pipeline branch road 9 is provided with a control
Valve 20 processed, is provided with a control valve 21 on pipeline branch road 10.
In above-described embodiment, the pipeline connecting container 11 is provided with a Pressure gauge 15.
In above-described embodiment, magnetic stirring apparatus 6 is constant temperature blender with magnetic force.
In above-described embodiment, the position that conduit 2 free end near hollow fiber film thread top 4 is connected with pipeline branch road 8
Install and be equipped with L-shaped joint.The position being connected with pipeline near the conduit 2 of hollow fiber film thread end 4 is also equipped with L
Shape joint.
Embodiment one: external pressure dead-end filtration
Pure water flux and the separating property of external pressing type hollow fibrous membrane is detected in external pressure dead-end filtration, first at use for laboratory
In sample cell 5, add a certain amount of pure water or containing being trapped the solution of material, closing control valve 16,18,19,
20 and 21, open control valve 13 and 17.It is then turned on pump 7, after pump 7 is stable, opens control valve 16, and regulates
The aperture of control valve 13 makes the pressure of sample solution in entrance three way cock 3 and flow velocity reach setting value, part sample solution from
Fenestra on each hollow fiber film thread 4 sidewall enters hollow fiber film thread 4 intracavity and flows out to control valve 17 from end
On the pipeline at place, in rear entrance sample cell 5.Sampling after certain time, during sampling, closing control valve 17, opens control
Valve 20 processed, takes the sample solution after filtration at pipeline branch road 9 and is measured, take closing control valve 20 after sample solution,
Open control valve 17, make the sample solution after filtrate be back in sample cell 5.
Backwash under this external pressure dead-end system, after the filtration of sample solution terminates, closing control valve 16,18,19 and
20, then open control valve 13,17 and 21.In sample cell 5, add pure water, open pump 7, after pump 7 is stable
Open control valve 19, the aperture of adjusting control valve 13 and 17, make backwashing pressure and flow reach setting value.Pure water
In each hollow fiber film thread 4 top enters the tube chamber of hollow fiber film thread 4, a portion is through control valve 21 place
Pipeline branch road 10 flow out, another part flows through the pipe entering control valve 17 place after each hollow fiber film thread 4 end
Line enters in sample cell 5.
Embodiment two: external pressure cross flow filter
Pure water flux and the separating property of external pressing type hollow fibrous membrane is detected in external pressure cross-flow, at sample cell at use for laboratory
Add a certain amount of pure water in 5 or contain the solution being trapped material, closing control valve 16,19,20 and 21, opening
Control valve 13,17 and 18, is then turned on pump 7, opens control valve 16, adjusting control valve 13 He after pump 7 is stable
The aperture of 18 makes the pressure of sample solution in entrance three way cock 3 and flow velocity reach setting value, a portion sample solution stream
Behind the gap between each hollow fiber film thread 4 outer wall and conduit 1 inwall, the pipeline through control valve 18 place enters sample
In product pond 5, another part sample solution fenestra from each hollow fiber film thread 4 sidewall enters hollow fiber film thread 4 chamber
In and from the pipeline that end flows out to control valve 17 place, rear enter in sample cell 5.Sample after certain time, take
Closing control valve 17 during sample, opens control valve 20, takes the sample solution after filtration and is measured, take at pipeline branch road 9
Closing control valve 20 after complete sample solution, opens control valve 17, makes the solution after filtration be back in sample cell 5.
Backwash process under this external pressure cross-current flow is identical with example one.
Embodiment three: intrinsic pressure dead-end filtration
Pure water flux and the separating property of inner pressed hollow-fibre membrane is detected in intrinsic pressure dead end, at sample cell at use for laboratory
Add a certain amount of pure water in 5 or contain the solution being trapped material, closing control valve 16,17,19,20 and 21,
Opening control valve 13 and 18, be then turned on pump 7, open control valve 19 after pump 7 is stable, adjusting control valve 13 makes
The sample solution pressure and the flow velocity that enter each hollow fiber film thread 4 top reach setting value.Sample solution is through each hollow-fibre membrane
Silk 4 top enters in tube chamber, and part solution fenestra from each hollow fiber film thread 4 sidewall flows out through propping up near pipeline
The three way cock 3 on road 10 enters on the pipeline at control valve 18 place, in rear entrance sample cell 5.Take after certain time
Sample, closing control valve 18 during sampling, open control valve 21, at the pipeline branch road 10 at control valve 21 place, take filtration
After sample solution be measured, take closing control valve 21 after sample solution, open control valve 18, after making filtrate, sample is molten
Liquid is back in sample cell 5.
Backwash under this intrinsic pressure dead-end system, after the filtration of sample solution terminates, closing control valve 16,17,19 and
21, open control valve 13,18 and 20, sample cell 5 adds pure water.Open pump 7, open after pump 7 is stable
Control valve 16, adjusting control valve 13 and 18, make backwashing pressure and flow reach setting value.Pure water is through near pipeline
The three way cock 3 of branch road 8 enters, and a part of pure water flows through between each hollow fiber film thread 4 outer wall and conduit 1 inwall
Gap after exit in sample cell 5 through another three way cock 3, another part pure water is from each hollow fiber film thread 4
Fenestra on sidewall enters hollow fiber film thread 4 intracavity and flows out from end, finally flows out from pipeline branch road 9.
Embodiment four: intrinsic pressure cross flow filter
Pure water flux and the separating property of inner pressed hollow-fibre membrane is detected in intrinsic pressure cross-flow, at sample cell at use for laboratory
A certain amount of pure water of middle addition or containing being trapped the solution of material, closing control valve 16,19,20 and 21, open
Control valve 13,17 and 18, is then turned on pump 7, opens control valve 19, adjusting control valve 13 He after pump 7 is stable
The aperture of 17 makes the pressure of entrance each hollow fiber film thread 4 top sample solution and flow velocity reach setting value, and a part of sample is molten
Liquid flows in sample cell 5 in each hollow fiber film thread 4 top enters tube chamber after hollow fiber film thread 4 end, separately
Part fenestra through sidewall in the tube chamber of each hollow fiber film thread 4 flows out, through the threeway near pipeline branch road 10
Joint 3 enters on the pipeline at control valve 18 place, in rear entrance sample cell 5.Sample after certain time, close during sampling
Close control valve 18, open control valve 21, at pipeline branch road 10, take the sample solution after filtration be measured, take sample
Closing control valve 21 after solution, opens control valve 18, makes filtrate be back in sample cell 5.
Backwash process under this intrinsic pressure cross-current flow is identical with example three.
Embodiment five
The film properties detection device of the present invention is carried out film silk and hollow fibre supermicro filtration membrane assembly integrity detection, in mistake
Need the integrity checking hollow fiber film thread 4 and hollow fibre supermicro filtration membrane assembly accurate to ensure experimental data before and after stream
Reliably, control valve 13 is kept to close.If checked before filtering sample solution, can be first in doughnut ultra filtration
Membrane module is full of pure water, closing control valve 18 and 21, opens control valve 16,17,19 and 20, open connection nitrogen
Gas or compressed-air actuated container 11, and regulate admission pressure, adjust after the water in draining hollow fibre supermicro filtration membrane assembly
Joint admission pressure, closes source of the gas, pressure attenuation in observing 10 minutes.If detecting after filtering sample solution, can
Be full of water, closing control valve 18 and 21 to not be used in hollow fibre supermicro filtration membrane assembly, open control valve 16,17,
19 and 20, to open connection nitrogen or compressed-air actuated container 11, and regulate admission pressure, doughnut to be drained surpasses
Regulate pressure after liquid in micro-filtration membrane module, close source of the gas, pressure attenuation in observing 10 minutes.
The various embodiments described above are merely to illustrate the present invention, and the structure of the most each parts, connected mode etc. are all can be
Change, every equivalents carried out on the basis of technical solution of the present invention and improvement, the most should not get rid of at this
Outside bright protection domain.
Claims (10)
1. a hollow fibre supermicro filtration membrane assembly, it is characterised in that: it includes first conduit and two being positioned at middle part
It is positioned at the second conduit of end；Respectively by first, second threeway between second conduit described in described first conduit and two
Joint connects；Hollow fiber film thread, described doughnut it is equipped with in the second conduit described in described first conduit and two
The top of film silk and end are sealed by two free ends of the second conduit described in packaging plastic and two.
2. hollow fibre supermicro filtration membrane assembly as claimed in claim 1 a kind of, it is characterised in that: each described the
In two conduits, the position of the adjacent described three way cock of distance one to two centimetre is provided with absorbent cotton.
3. a kind of hollow fibre supermicro filtration membrane assembly as claimed in claim 1 or 2, it is characterised in that: described first
Three way cock and described second three way cock are T-shaped tee joint quick-insertion connector.
4. a kind of hollow fibre supermicro filtration membrane assembly as claimed in claim 1, it is characterised in that: described first conduit
For four fluorine tube, described in two, the second conduit is polyurethane tube.
5. a kind of hollow fibre supermicro filtration membrane assembly as claimed in claim 1, it is characterised in that: described packaging plastic is adopted
Make with epoxide-resin glue and firming agent.
6. a film properties detection device, it is characterised in that: during it includes as described in any one of Claims 1 to 5
Hollow fiber supermicro filtration membrane assembly and for holding the sample cell of liquid；The bottom of described sample cell is provided with magnetic agitation
Device, the 3rd opening of described first three way cock and described second three way cock is all connected with described sample cell by pipeline,
Described first three way cock is near the top of described hollow fiber film thread, and described second three way cock is fine near described hollow
The end of dimension film silk, is provided with pump on the described pipeline between described first three way cock and described sample cell,
The free end of described second conduit connecting described first three way cock is connected to the described 1st by the first pipeline branch road
On described pipeline between pass joint and described sample cell, connect described second three way cock described second conduit from
It is connected with described sample cell by pipeline by end, is being positioned at described second conduit and institute connecting described second three way cock
State the second pipeline branch road being provided with on the described pipeline between sample cell for sampling, connect being positioned at the described 2nd 3
The 3rd pipeline branch road for sampling it is provided with on described pipeline between head and described sample cell.
7. a kind of film properties detection device as claimed in claim 6, it is characterised in that: it is being positioned at described first threeway
It is connected to hold nitrogen or compressed-air actuated container by pipeline on described pipeline between joint and described sample cell.
8. a kind of film properties detection device as claimed in claim 6, it is characterised in that: it is being positioned at described first threeway
It is connected with described sample cell by the 4th pipeline branch road on described pipeline between joint with described sample cell, described
One first control valve it is provided with on four pipeline branch roads.
9. a kind of film properties detection device as claimed in claim 6, it is characterised in that: it is being positioned at described first threeway
A first-class gauge, one first Pressure gauge and 1 it is arranged at intervals with on described pipeline between joint and described sample cell
Two control valves.
10. a kind of film properties detection device as claimed in claim 6, it is characterised in that: it is being positioned at the described 2nd 3
A second gauge, one second Pressure gauge and it is arranged at intervals with on described pipeline between pass joint and described sample cell
3rd control valve；Described between described second conduit and the described sample cell connecting described second three way cock
One the 3rd effusion meter, one the 3rd Pressure gauge and one the 4th control valve it is arranged at intervals with on pipeline；Prop up at described first pipeline
It is provided with one the 5th control valve on road, described second pipeline branch road is provided with one the 6th control valve, the described 3rd
One the 7th control valve it is provided with on pipeline branch road；The described pipeline connecting described container is provided with one the 4th Pressure gauge.
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| CN201610649432.4A CN106000109A (en) | 2016-08-10 | 2016-08-10 | Hollow fiber ultramicro-filtration membrane assembly and membrane performance detection device |
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| CN201610649432.4A CN106000109A (en) | 2016-08-10 | 2016-08-10 | Hollow fiber ultramicro-filtration membrane assembly and membrane performance detection device |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106908485A (en) * | 2017-02-13 | 2017-06-30 | 武汉工程大学 | A kind of method that Non-Destructive Testing separates membrane flux |
| CN108181479A (en) * | 2017-12-25 | 2018-06-19 | 南京工业大学 | Retaining molecular weight automatic analyzer |
| CN109351197A (en) * | 2018-10-31 | 2019-02-19 | 国家海洋局天津海水淡化与综合利用研究所 | A kind of preparation method of single internal pressure hollow-fibre membrane cross-current type component |
| CN109459282A (en) * | 2018-10-31 | 2019-03-12 | 国家海洋局天津海水淡化与综合利用研究所 | A kind of preparation method of single hollow-fibre membrane dead-end filtration formula component |
| CN109459283A (en) * | 2018-10-31 | 2019-03-12 | 国家海洋局天津海水淡化与综合利用研究所 | A kind of preparation method of single external pressure hollow-fibre membrane cross-current type component |
| CN111389228A (en) * | 2020-04-30 | 2020-07-10 | 江苏汉邦科技有限公司 | Adjustable hollow fiber ultrafiltration system |
| CN114797501A (en) * | 2022-05-14 | 2022-07-29 | 浙江理工大学绍兴柯桥研究院有限公司 | Preparation method of Jujun grass nanofiber hollow fiber nanofiltration membrane |
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