CN107486019A - A kind of film filter and system - Google Patents
A kind of film filter and system Download PDFInfo
- Publication number
- CN107486019A CN107486019A CN201710713241.4A CN201710713241A CN107486019A CN 107486019 A CN107486019 A CN 107486019A CN 201710713241 A CN201710713241 A CN 201710713241A CN 107486019 A CN107486019 A CN 107486019A
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- membrane filtration
- ball valve
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- 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
-
- 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
- B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
- B01D61/08—Apparatus therefor
-
- 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
- B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
- B01D61/12—Controlling or regulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D65/00—Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes
- B01D65/02—Membrane cleaning or sterilisation ; Membrane regeneration
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Nanotechnology (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention discloses a kind of film filter, including membrane filtration circuit one, membrane filtration circuit two, Membrane cleaning circuit, ball valve, feed liquid pipeline, the film filter is worked using the alternately membrane filtration intermittent with membrane filtration circuit two of membrane filtration circuit one, Membrane cleaning, membrane filtration can be achieved, Membrane cleaning work is carried out simultaneously, the saving time；The flow real time information of the flow and peritoneal effluent of feed liquid passes to information process unit after the pressure of feed liquid, supercharging after the supercharging that detection module obtains detection in the membrane filtration system, the pressure of feed liquid and the flow real-time change of flow real-time change and peritoneal effluent increase suddenly after information process unit finds that some stage is pressurized by analysis, during more than changing value domain of walker, then judge that filter membrane is obstructed, and carry out cleaning action, system response is rapid, and action is fast.
Description
Technical field
The present invention relates to membrane filtration field, specifically a kind of film filter and system.
Background technology
Since the 1980s, the development of life science and biotechnology is maked rapid progress, biological product (such as enzyme,
Antibody, antigen, acceptor) the more and more of species these products be typically to be extracted from zymotic fluid or in natural prodcuts, then through pure
Product obtained from change.Because target product yield is small, generally again mixed in together with substrate, cell etc., concentration is very low, and raw
Produce product and traditional chemical products are different, and they typically all have bioactivity, require more severe to separation operation condition
Carve.Traditional chemical separating method such as rectifying, sedimentation, crystallization etc. are all difficult to reach requirement.UF membrane be the 1960s with
To develop a faster isolation technics, it have the characteristics that operating condition it is gentle, it is pollution-free, without phase transformation, in many aspects all
Applied, as micro-filtration, ultrafiltration have been applied in biochemical industry and pharmaceuticals industry.UF membrane be according to molecular size it is different come
Separation is realized, the thing system that general relative molecular mass differs more than 10 times just has centrifugation, therefore it far can not also
Meet the needs of bio-chemistry separation.And biological affinity interaction is the reversible specific recognition effect between biomolecule, have high
The property selected.UF membrane is that occur in early 20th century, the separation technology to be emerged rapidly after the 1960s.UF membrane skill
Art has efficient, energy-saving and environmental protection, molecular level filtering and filter process again due to having separation, concentration, purifying and refined function concurrently
Simply, the feature such as easily controllable, therefore, be widely used at present food, medicine, biology, environmental protection, chemical industry, metallurgy, the energy,
The field such as oil, water process, electronics, bionical, generate huge economic benefit and social benefit, it has also become current separation science
In one of most important means.
Wherein membrane filtration is a kind of membrane separation technique that can be purified solution, separate, concentrating, and membrane filtration process is usual
It can be understood as the screening process related to membrane aperture size.The advantages of membrane filtration technique is easy to operate, and cost is cheap, is not required to
The experiment condition of increase any chemical reagents, especially hyperfiltration technique is gentle, the change of no phase compared with evaporation, freeze-drying
Change, and do not cause the change of temperature, pH, thus denaturation, inactivation and the self-dissolving of large biological molecule can be prevented, but its film mistake
When film is obstructed in filter component, cleaning is inconvenient, time-consuming, takes a lot of work.
The content of the invention
It is an object of the invention to provide a kind of film filter and system, is asked with solve to propose in above-mentioned background technology
Topic.
To achieve the above object, the present invention provides following technical scheme：
A kind of film filter, including membrane filtration circuit one, membrane filtration circuit two, Membrane cleaning circuit, ball valve one, feed liquid pipeline,
The membrane filtration circuit one includes ball valve two, booster pump one, pressure gauge P1, ball valve three, flowmeter q1, membrane filtration module, ball valve
4th, concentrating liquid pool one, the ball valve two are arranged among material liquid and booster pump one, connected by feed liquid pipeline, the pressure
After meter P1 is arranged on booster pump one, before the ball valve three is successively set on membrane filtration module with flowmeter q1, ball valve threeway punishment in advance
Liquid pipeline connects membrane filtration module liquor inlet, and the membrane filtration module liquor inlet is provided with 2, and membrane filtration module is provided with
Concentrated solution outlet, permeate outlet, and each one, the ball valve four is arranged among membrane filtration module and concentrating liquid pool one, film
Filter assemblies concentrated solution outlet connects concentrating liquid pool one by feed liquid pipeline, and ball valve one is passed through in the outlet of membrane filtration module permeate,
Liquid pool one is passed through by the connection of feed liquid pipeline；
The Membrane cleaning circuit is included through liquid pool one, booster pump two, reverse osmosis membrane assembly, ball valve five, flowmeter q3, flowmeter
Q4, ball valve six, ball valve seven, through liquid pool two, described one end of booster pump two is connected with through liquid pool one, the other end and reverse osmosis membrane
Component connects, 2 material liquid outlets of the reverse osmosis membrane assembly setting, and reverse osmosis membrane assembly is another by ball valve five and membrane filtration module
One liquor inlet connection, and flowmeter q4 is provided between reverse osmosis module and membrane filtration module, membrane filtration module passes through
The connection of ball valve seven passes through liquid pool two, is connected through liquid pool two with being provided with pipeline through liquid pool one；
The composition structure and Membrane cleaning line connection of the membrane filtration circuit two are identical with membrane filtration circuit one.
As the further scheme of the present invention：The work of membrane filtration circuit one and membrane filtration circuit two membrane filtration, Membrane cleaning
Pattern is intermittent over-over mode.
As the further scheme of the present invention：Membrane filtration module is preferably spiral wound ultrafiltration module.
As the further scheme of the present invention：Milipore filter is preferably polysulfones in the spiral wound ultrafiltration module of membrane filtration module
Acid amides film.
As the further scheme of the present invention：Flowmeter in device is preferably Doppler Ultrasonic Flowmeter.
As the further scheme of the present invention：Ball valve in device all uses Solenoid ball valve.
A kind of system of membrane filtration, including：Membrane filtration CPU processing modules, Membrane cleaning CPU processing modules, detection module, institute
Stating membrane filtration CPU processing modules includes information process unit, ball valve control unit, booster pump control unit, described information processing
The feed pressure of cell processing detection module detection, flow information, the ball valve control unit control said apparatus membrane filtration line
Ball valve opens or closes in road one or membrane filtration circuit two, booster pump control unit control said apparatus membrane filtration circuit one or
Booster pump opens or closes in membrane filtration circuit two, and the Membrane cleaning CPU processing modules include information process unit, ball valve control
Unit processed, booster pump control unit, the feed pressure of described information processing unit processes detection module detection, flow information, institute
State ball valve in ball valve control unit control said apparatus Membrane cleaning circuit to open or close, the control of booster pump control unit is above-mentioned
Booster pump opens or closes in device Membrane cleaning circuit, and the detection module includes pressure sensing cell, flow detection unit,
The pressure of feed liquid after being pressurized in the pressure sensing cell detection membrane filtration circuit one or membrane filtration circuit two in membrane filtration module
With the pressure of peritoneal effluent, and record, membrane filtration in the flow detection unit detection membrane filtration circuit one or membrane filtration circuit two
The flow of feed liquid and the flow of peritoneal effluent after being pressurized in component, and record.
Compared with prior art, the beneficial effects of the invention are as follows：A kind of film filter uses membrane filtration circuit one and film
The intermittent alternately membrane filtration of filtering circuit two, Membrane cleaning work, membrane filtration can be achieved, Membrane cleaning work is carried out simultaneously, section
Make an appointment；In the membrane filtration system detection module by the flow for detecting feed liquid after the pressure of feed liquid, supercharging after obtained supercharging with
And the flow real time information of peritoneal effluent passes to information process unit, when information process unit finds that some stage increases by analysis
The pressure of feed liquid and the flow real-time change of flow real-time change and peritoneal effluent increase suddenly after pressure, more than changing value floating model
When enclosing, then judge that filter membrane is obstructed, and carry out cleaning action, system response is rapid, and action is fast.
Brief description of the drawings
Fig. 1 is a kind of film filter composition schematic diagram；
Fig. 2 is a kind of membrane filtration system composition schematic diagram
In figure：1- membrane filtrations circuit one, 11- ball valves two, 12- booster pumps one, 13- pressure gauge P1,14- ball valve three, 15- flowmeters
Q1,16- membrane filtration module, 17- ball valves four, 18- concentrating liquid pools one, 2- membrane filtrations circuit two, 3- Membrane cleanings circuit, 31- cross liquid
Chi Yi, 32- booster pump two, 33- reverse osmosis membrane assemblies, 34- ball valves five, 35- flowmeter q3,36- flowmeter q4,37- ball valve six,
38- ball valves seven, 39- are through liquid pool two, 4- ball valves one, 5- feed liquid pipelines.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Referring to Fig. 1, a kind of film filter, including membrane filtration circuit 1, membrane filtration circuit 22, Membrane cleaning circuit 3,
Ball valve 1, feed liquid pipeline 5, the membrane filtration circuit 1 include ball valve 2 11, booster pump 1, pressure gauge P1 13, ball valve three
14th, flowmeter q1 15, membrane filtration module 16, ball valve 4 17, concentrating liquid pool 1, the ball valve 2 11 be arranged on material liquid with
Among booster pump 1, connected by feed liquid pipeline 5, after the pressure gauge P1 13 is arranged on booster pump 1, increased for detecting
Feed pressure after pressure, before the ball valve 3 14 is successively set on membrane filtration module 16 with flowmeter q1 15, ball valve 3 14 passes through
Feed liquid pipeline 5 connects the liquor inlet of membrane filtration module 16, and the liquor inlet of membrane filtration module 16 is provided with 2, membrane filtration group
Part 16 is provided with concentrated solution outlet, permeate outlet, and each one, and the ball valve 4 17 is arranged on membrane filtration module 16 and concentration
Among pond 18, the concentrated solution outlet of membrane filtration module 16 connects concentration basin 18 by feed liquid pipeline 5, and the permeate of membrane filtration module 16 goes out
Mouth passes through ball valve 1, and liquid pool 1 is passed through by the connection of feed liquid pipeline 5；
The Membrane cleaning circuit 3 is included through liquid pool 1, booster pump 2 32, reverse osmosis membrane assembly 33, ball valve 5 34, flowmeter
Q3 35, flowmeter q4 36, ball valve 6 37, ball valve 7 38, through liquid pool 2 39, described one end of booster pump 2 32 and pass through liquid pool
One 31 are connected, and the other end is connected with reverse osmosis membrane assembly 33, and the reverse osmosis membrane assembly 33 sets 2 material liquid outlets, counter-infiltration
By ball valve 5 34, another liquor inlet is connected membrane module 33 with membrane filtration module 16, and in reverse osmosis module 33 and membrane filtration
Flowmeter q4 36 is provided between component 16, membrane filtration module 16 passes through liquid pool 2 39, reverse osmosis membrane by the connection of ball valve 7 38
By ball valve 5 34, another liquor inlet is connected component 33 with membrane filtration module 26, and in reverse osmosis module 33 and membrane filtration group
Flowmeter q3 35 is provided between part 26, membrane filtration module 26 passes through liquid pool 2 39 by the connection of ball valve 6 37, through liquid pool two
39 are connected with being provided with pipeline through liquid pool 1, and both pass through liquid pool intercommunication；
The composition structure and the connected mode of Membrane cleaning circuit 3 of the membrane filtration circuit 22 are identical with membrane filtration circuit 1.
The alternately membrane filtration intermittent with membrane filtration circuit 22 of membrane filtration circuit 1, Membrane cleaning work.
Membrane filtration module 16 is preferably spiral wound ultrafiltration module.
Milipore filter is preferably Polysulfonamide in the spiral wound ultrafiltration module of membrane filtration module 16.
Flowmeter in device is preferably Doppler Ultrasonic Flowmeter.
Ball valve in device all uses Solenoid ball valve.
Referring to Fig. 2, a kind of system of membrane filtration, including：Membrane filtration CPU processing modules, Membrane cleaning CPU processing modules,
Detection module, the membrane filtration CPU processing modules include information process unit, ball valve control unit, booster pump control unit, institute
Feed pressure, the flow information of information process unit processing detection module detection are stated, the ball valve control unit controls above-mentioned dress
Put opening or closing for ball valve in membrane filtration circuit one or membrane filtration circuit two, booster pump control unit control said apparatus film mistake
Booster pump opens or closes in filter circuit one or membrane filtration circuit two, and the Membrane cleaning CPU processing modules include information processing
Unit, ball valve control unit, booster pump control unit, the feed pressure of described information processing unit processes detection module detection,
Flow information, ball valve opens or closes in ball valve control unit control said apparatus Membrane cleaning circuit, booster pump control
Booster pump opens or closes in unit control said apparatus Membrane cleaning circuit, the detection module include pressure sensing cell,
Flow detection unit, the pressure sensing cell are detected in membrane filtration circuit one or membrane filtration circuit two and are pressurized in membrane filtration module
The pressure of feed liquid and the pressure of peritoneal effluent afterwards, and record, the flow detection unit detection membrane filtration circuit one or membrane filtration line
The flow of feed liquid and the flow of peritoneal effluent after being pressurized in Lu Erzhong membrane filtration modules, and record.
The operation principle of the present invention：
A, the membrane filtration processes of material liquid：（a1）Membrane filtration circuit 1 is worked, and ball valve 2 11 is opened, and material liquid passes through via increasing
Press pump 1, ball valve 3 14 are opened, and feed liquid is introduced into membrane filtration module 16, carry out membrane filtration；（a2）Ball valve 4 17 is opened, concentration
Liquid enters concentrating liquid pool 1 by ball valve 4 17, and the opening permeate of ball valve 1 is entered by ball valve 1 passes through liquid pool 1；
（a3）During material liquid membrane filtration, the pressure of feed liquid after the detection superchargings of pressure gauge P1 13, the detection increasings of flowmeter q1 15
The flow of feed liquid, flowmeter q4 36 detect the flow of peritoneal effluent after pressure；（a4）Detection module will detect obtained pressure, flow
Information transmission has the pressure of feed liquid after information process unit analysis supercharging with flow real-time change and thoroughly to information process unit
Go out the flow real-time change of liquid；
B, membrane cleaning process：（b1）The pressure of feed liquid and flow are real after the supercharging of some stage is found through information process unit analysis
When the flow real-time change of Shi Bianhua and peritoneal effluent increases suddenly, during more than changing value domain of walker, judge that filter membrane is obstructed,
And carry out cleaning action；（b2）Membrane filtration circuit 22 is started working, membrane filtration mistake of the course of work with material liquid in step a
Journey, the work of membrane filtration circuit 1 stop, and Membrane cleaning circuit 3 works, the membrane filtration module 16 of membrane filtration circuit 1 is carried out clearly
Wash；（b3）Permeate, by booster pump 2 32, into reverse osmosis membrane assembly 33, obtains deionized water from through liquid pool 1；
（b4）Deionized water enters membrane filtration module 16 by ball valve 5 34, and it is cleaned；（b5）Deionized water passes through ball valve seven
38 inflows pass through liquid pool 2 39, and wash cycles 45min；
C, when the filter membrane of membrane filtration module in membrane filtration circuit 22 is obstructed, it is necessary to when cleaning, with membrane cleaning process in step b,
The alternately membrane filtration intermittent with membrane filtration circuit 22 of membrane filtration circuit 1, Membrane cleaning work.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit requires rather than described above limits, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.Any reference in claim should not be considered as to the involved claim of limitation.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that those skilled in the art should for clarity
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It is appreciated that other embodiment.
Claims (7)
1. a kind of film filter, it is characterised in that including membrane filtration circuit one（1）, membrane filtration circuit two（2）, Membrane cleaning line
Road（3）, ball valve one（4）, feed liquid pipeline（5）, the membrane filtration circuit one（1）Including ball valve two（11）, booster pump one（12）, pressure
Power meter P1（13）, ball valve three（14）, flowmeter q1（15）, membrane filtration module（16）, ball valve four（17）, concentrating liquid pool one（18）,
The ball valve two（11）It is arranged on material liquid and booster pump one（12）Centre, pass through feed liquid pipeline（5）Connection, the pressure gauge P1
（13）It is arranged on booster pump one（12）Afterwards, the ball valve three（14）With flowmeter q1（15）It is successively set on membrane filtration module（16）
Before, ball valve three（14）Pass through feed liquid pipeline（5）Connect membrane filtration module（16）Liquor inlet, the membrane filtration module（16）Feed liquid
Import is provided with 2, membrane filtration module（16）It is provided with concentrated solution outlet, permeate outlet, and each one, the ball valve four
（17）It is arranged on membrane filtration module（16）With concentrating liquid pool one（18）Centre, membrane filtration module（16）Concentrated solution outlet passes through feed liquid
Pipeline（5）Connect concentrating liquid pool one（18）, membrane filtration module（16）Ball valve one is passed through in permeate outlet（4）, pass through feed liquid pipeline
（5）Connection passes through liquid pool one（31）；
The Membrane cleaning circuit（3）Including passing through liquid pool one（31）, booster pump two（32）, reverse osmosis membrane assembly（33）, ball valve five
（34）, flowmeter q3（35）, flowmeter q4（36）, ball valve six（37）, ball valve seven（38）, through liquid pool two（39）, the supercharging
Pump two（32）One end is with passing through liquid pool one（31）It is connected, the other end and reverse osmosis membrane assembly（33）Connection, the reverse osmosis membrane group
Part（33）2 material liquid outlets, reverse osmosis membrane assembly are set（33）Pass through ball valve five（34）With membrane filtration module（16）Another material
Liquid import connects, and in reverse osmosis module（33）With membrane filtration module（16）Between be provided with flowmeter q4（36）, membrane filtration group
Part（16）Pass through ball valve seven（38）Connection passes through liquid pool two（39）, through liquid pool two（39）With passing through liquid pool one（31）It is provided with pipe
Road connects；
The membrane filtration circuit two（2）Composition structure and Membrane cleaning circuit（3）Connected mode, with membrane filtration circuit one（1）Phase
Together.
A kind of 2. film filter according to claim 1, it is characterised in that membrane filtration circuit one（1）With membrane filtration line
Road two（2）Membrane filtration, the mode of operation of Membrane cleaning are intermittent over-over mode.
A kind of 3. film filter according to claim 1, it is characterised in that membrane filtration module（16）Preferably helical coil
Formula ultrafiltration module.
A kind of 4. film filter according to claim 1 or 3, it is characterised in that membrane filtration module（16）Helical coil
Milipore filter is preferably Polysulfonamide in formula ultrafiltration module.
5. a kind of film filter according to claim 1, it is characterised in that how general the flowmeter in device be preferably
Strangle ultrasonic flowmeter.
6. a kind of film filter according to claim 1, it is characterised in that the ball valve in device all uses electromagnetic ball
Valve.
A kind of 7. system of membrane filtration, it is characterised in that including：Membrane filtration CPU processing modules, Membrane cleaning CPU processing modules, inspection
Module is surveyed, the membrane filtration CPU processing modules include information process unit, ball valve control unit, booster pump control unit, described
The feed pressure of information process unit processing detection module detection, flow information, the ball valve control unit control said apparatus
Ball valve opens or closes in membrane filtration circuit one or membrane filtration circuit two, booster pump control unit control said apparatus membrane filtration
Booster pump opens or closes in circuit one or membrane filtration circuit two, and the Membrane cleaning CPU processing modules include information processing list
Member, ball valve control unit, booster pump control unit, the feed pressure of described information processing unit processes detection module detection, stream
Measure information, ball valve opens or closes in ball valve control unit control said apparatus Membrane cleaning circuit, and booster pump control is single
Booster pump opens or closes in member control said apparatus Membrane cleaning circuit, and the detection module includes pressure sensing cell, stream
Amount detection unit, after being pressurized in membrane filtration module in pressure sensing cell detection membrane filtration circuit one or membrane filtration circuit two
The pressure of feed liquid and the pressure of peritoneal effluent, and record, the flow detection unit detection membrane filtration circuit one or membrane filtration circuit
The flow of feed liquid and the flow of peritoneal effluent after being pressurized in two in membrane filtration module, and record.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710713241.4A CN107486019A (en) | 2017-08-18 | 2017-08-18 | A kind of film filter and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710713241.4A CN107486019A (en) | 2017-08-18 | 2017-08-18 | A kind of film filter and system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107486019A true CN107486019A (en) | 2017-12-19 |
Family
ID=60646395
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710713241.4A Pending CN107486019A (en) | 2017-08-18 | 2017-08-18 | A kind of film filter and system |
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| Country | Link |
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| CN (1) | CN107486019A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003024938A (en) * | 2001-07-10 | 2003-01-28 | Japan Organo Co Ltd | Membrane filter system and operation method therefor |
| CN1432427A (en) * | 2001-12-17 | 2003-07-30 | 日东电工株式会社 | Processing system with spiral membrane element and its operation process |
| CN201026441Y (en) * | 2006-12-20 | 2008-02-27 | 杭州英普水处理技术有限公司 | Reverse osmosis system implementing on-line reverse wash by using reverse osmosis system cleaning apparatus |
| CN202446981U (en) * | 2011-11-22 | 2012-09-26 | 杜群军 | Full-automatic backwashing membrane filtration system |
| CN103357273A (en) * | 2013-07-11 | 2013-10-23 | 天津大学 | Online backwashing device and method in ultrafiltration process |
-
2017
- 2017-08-18 CN CN201710713241.4A patent/CN107486019A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003024938A (en) * | 2001-07-10 | 2003-01-28 | Japan Organo Co Ltd | Membrane filter system and operation method therefor |
| CN1432427A (en) * | 2001-12-17 | 2003-07-30 | 日东电工株式会社 | Processing system with spiral membrane element and its operation process |
| CN201026441Y (en) * | 2006-12-20 | 2008-02-27 | 杭州英普水处理技术有限公司 | Reverse osmosis system implementing on-line reverse wash by using reverse osmosis system cleaning apparatus |
| CN202446981U (en) * | 2011-11-22 | 2012-09-26 | 杜群军 | Full-automatic backwashing membrane filtration system |
| CN103357273A (en) * | 2013-07-11 | 2013-10-23 | 天津大学 | Online backwashing device and method in ultrafiltration process |
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Application publication date: 20171219 |
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