CN102423640A - Integrated membrane module including on-line ultrasonic monitoring and cleaning - Google Patents
Integrated membrane module including on-line ultrasonic monitoring and cleaning Download PDFInfo
- Publication number
- CN102423640A CN102423640A CN2011103154188A CN201110315418A CN102423640A CN 102423640 A CN102423640 A CN 102423640A CN 2011103154188 A CN2011103154188 A CN 2011103154188A CN 201110315418 A CN201110315418 A CN 201110315418A CN 102423640 A CN102423640 A CN 102423640A
- Authority
- CN
- China
- Prior art keywords
- ultrasonic
- membrane
- membrane module
- transducer
- water outlet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention discloses a membrane module realizing the on-line monitoring and control of membrane pollution by using the ultrasonic technology, belonging to the technical field of water treatment. The membrane module comprises a water inlet plate, a membrane wall, a spiral membrane, a water outlet plate, an ultrasonic transducer, a permeate outlet, a condensed water outlet, and an intelligence control system. The membrane module disclosed herein can monitor the membrane pollution in real time, utilizes the effects of ultrasound to destroy the concentration polarization according to a set switch-on strategy, and disturbs and alleviates the formation of membrane pollution, and the cavitation can enhance the effect of membrane cleaning. According to the invention, by using a special mode of using ultrasound, the damage of ultrasound for the membrane material is greatly reduced, the application range of ultrasound is enlarged, the service time of the membrane module is prolonged. The membrane module is suitable for ultrafiltration, nanofiltration, reverse osmosis and the like.
Description
Technical field
The invention belongs to water-treatment technology field, be specifically related to a kind of online ultrasonic monitoring and clean the integrated film assembly.
Background technology
Have characteristics such as energy-conservation, efficient, simple and easy operating owing to membrane separation technique and received people's extensive concern, this technology is widely used in every field such as food, medicine, chemical industry, environmental protection.Though constantly have novel membrane material and membrane module to be developed out, when practical application, membrane flux can descend along with the prolongation of time gradually, and film pollutes and the concentration polarization phenomenon is to cause the membrane flux main reasons for decrease.Conventional method is after the film pipe uses a period of time, adds chemical reagent it is carried out Chemical cleaning.Though Chemical cleaning can improve membrane flux to a certain extent, simultaneously also brought secondary pollution, and chemical reagent damages the film pipe easily, shorten the service life of film pipe, increased running cost.
Therefore, the film pollution Monitoring will be the key technology that promotes that membrane material is widely used with control.Lack effective film pollution monitoring and control technology, with hindering further developing of membrane technology.Pollute the problem of bringing with concentration polarization for solving film, many researchs combine ultrasonic field with membrane separation technique, explored the influence of ultrasound-enhanced film separation process.The result shows that the effective controlling diaphragm of ultrasonic energy pollutes, and improves membrane flux.But ultrasonic wave is to membrane material, and especially the damage of organic film material is still very important.
Summary of the invention
The object of the present invention is to provide a kind of online ultrasonic monitoring and clean the integrated film assembly, pollute, alleviate the concentration polarization phenomenon so that effectively reduce film, thereby realize improving membrane flux, reduce the membrane material damage, the operation that simplifies the operation reduces running cost.
A kind of online ultrasonic monitoring and cleaning integrated film assembly; The axis upside of water inlet plate 11 is provided with water inlet 1, and transducer pedestal 4 mechanically closely is fixed in the shell 10 of membrane module, and transducer pedestal 4 is equipped with ultrasonic transducer 2; Ultrasonic control system 3 is electrically connected with ultrasonic transducer 2 and transducer pedestal 4; See through liquid passage 7 and connect water inlet plates 11 and water outlet plates 5, and be positioned on the axis of into water plate 11 and water outlet plate 5, membrane material 9 is coated on through around the liquid passage 7; See through liquid outlet 6 and be positioned on the axis of water outlet plate 5, dense water out 8 is positioned at the end of shell 10 near water outlet plate 5.
Said ultrasonic transducer 2 is by comprising two transducers, respectively as the inverting element of ultrasonic generator and ultrasonic detector.The installation direction of said ultrasonic transducer 2 on the cross section is 0～60 degree with the direction of pointing to the membrane module central axis, and this angle is adjusted according to the membrane module diameter that adopts and the quantity and the diameter of transducer.
Said ultrasonic control system 3 is made up of ultrasonic generator, detector, Programmable Logic Controller and computer.
Said transducer pedestal 4, its size have big flexibility, and length is slightly larger than putamina length during use, and width is slightly larger than transducer diameter, mechanically closely is fixed in the membrane module shell, and detachable.Base interior between transducer and putamina has been filled the ultrasonic conducting medium.This pedestal has on the membrane module axial direction motor drive mechanism that changes ultrasonic transducers locations, and this mechanism is electrically connected with ultrasonic control system.
Beneficial effect of the present invention: 1, the ultrasonic reflections signal of the membrane material that monitors of the present invention; Membrane material surface contamination degree is carried out on-line monitoring; Because ultrasonic transducer has mobility; Therefore can monitor the membrane module optional position, greatly improve the data availability and the accuracy of film pollution monitoring.2, ultrasonication of the present invention can cause the factors such as vibration, ultrasonic cavitation, acoustic streaming and radiation pressure on film surface.The ultrasonic shock energy on film surface that causes makes the particle detachment that is adsorbed on the film surface.The thickness of laminar sublayer can removed or weaken to ultrasonic cavitation, thereby controlling diaphragm pollutes, and alleviates the concentration polarization phenomenon.In addition, when membrane module cleans, implement ultrasonic clean, can improve the efficient of cleaning.3, the transducer pedestal of this reality invention original creation can be guaranteed effective transmission of acoustic energy.Owing to can carry out ultrasonic monitoring and ultrasonic clean in the optional position on putamina; Therefore the adjustment through the control system in actual use; Can carry out spaced uniform ultrasonication to membrane material, be difficult for causing the breakage of membrane material ad-hoc location, prolong the service life of membrane material.In addition, by the ultrasonic open and close time of the meticulous control of control system, and adjustable supersonic frequency and power output, ultrasonication is reduced the membrane material destructiveness greatly.
Description of drawings
Fig. 1 is a membrane module of the present invention vertical section sketch map;
Among the figure, 1-water inlet, 2-ultrasonic transducer, the ultrasonic control of 3-system, 4-transducer pedestal, 5-water outlet plate, 6-see through liquid outlet, 7-and see through liquid passage, the dense water out of 8-, 9-membrane material, 10-shell, the 11-plate of intaking.
Fig. 2 is a membrane module of the present invention cross section sketch map.
The specific embodiment
Below in conjunction with accompanying drawing and specific embodiment the present invention is further specified.
Embodiment 1
In the present embodiment; Quartz sand filtration device, security personnel's filter, ultrasonic monitoring and online ultrasonic monitoring are formed in the cover system with cleaning integrated film assembly successively; Above equipment and flowmeter, magnetic valve, high-pressure pump etc. all are connected to PLC control system, adopt pvc pipe spare to be communicated with successively between said quartz sand filtration device, security personnel's filter, the hyperfiltration membrane assembly.
Online ultrasonic monitoring of present embodiment and cleaning integrated film assembly, as shown in Figure 1, the axis upside of water inlet plate 11 is provided with water inlet 1; Transducer pedestal 4 mechanically closely is fixed in the shell 10 of membrane module, and detachable, transducer pedestal 4 is equipped with ultrasonic transducer 2; Ultrasonic control system 3 is electrically connected with ultrasonic transducer 2 and transducer pedestal 4, and ultrasonic transducer 2 sees through liquid passage 7 and connects water inlet plates 11 and water outlet plates 5; And be positioned on the axis of water plate into 11 and water outlet plate 5; Membrane material 9 is coated on through around the liquid passage 7, sees through liquid outlet 6 and is positioned on the axis of water outlet plate 5, and dense water out 8 is positioned at the end of shell 10 near water outlet plate 5; Ultrasonic transducer 2 is made up of ultrasonic generator and ultrasonic detector; The installation direction of ultrasonic transducer 2 on the cross section is 30 ° of angles with the direction of pointing to the membrane module central axis, and be as shown in Figure 2.
The long 600mm of integrated film assembly putamina of present embodiment, external diameter 100mm, interior dress PAN rolling milipore filter.Transducer pedestal 4 long 620mm, width 50mm mechanically closely is fixed in membrane module shell 10, at the putamina circumference 3 transducer pedestals 4 has been installed uniformly-spaced.Ultrasonic transducer 2 is installed on the transducer pedestal 4, and diameter is 20mm, is about 200mm in the installation interval of axial direction, and the frequency of ultrasonic transducer 2 is that 20-100KHz is adjustable, and power is that 0-200W is adjustable.The installation direction of ultrasonic transducer 2 on the cross section is 30 ° of angles with the direction of pointing to the membrane module central axis, and be as shown in Figure 2.
The control strategy of ultrasonic transducer 2 is: descend 5% all ultrasonic transducers 2 of back with 50w power unlatching 15s at membrane flux.In the 100mm scope of the initial position left and right sides, move ultrasonic transducer 2 with the 20mm step-length, the monitoring ultrasonic reflection signal is higher than threshold value in signal strength signal intensity and sentences 50w power unlatching 15s, and moves to the next position; If still be higher than threshold value after opening 10s, then stop to open 30s again with 50w power behind the 15s, if still be higher than threshold value, then stop behind the 15s opening 15s again, and move to the next position with 100w power; If all positions all with 100w Power Processing mistake, then stop.In the membrane module cleaning process, all ultrasonic transducers 2 are opened 15s with 150w power earlier, in the 100mm scope of the initial position left and right sides, move ultrasonic transducer 2 with the 20mm step-length afterwards, open 15s in each position with 100w power.
At operating pressure is 0.5MPa, under the service condition of flow velocity 0.1m/s, the invention enables accumulative total film permeation flux to improve 20%-30%, and the cleaning frequency can prolong one times, and scavenging period can shorten 40%-50%.
Claims (5)
1. an online ultrasonic monitoring is characterized in that with cleaning integrated film assembly; The axis upside of water inlet plate (11) is provided with water inlet (1); Transducer pedestal (4) mechanically closely is fixed in the shell (10) of membrane module; Transducer pedestal (4) is equipped with ultrasonic transducer (2), and ultrasonic control system (3) is electrically connected with ultrasonic transducer (2) and transducer pedestal (4), sees through liquid passage (7) and connects water inlet plate (11) and water outlet plate (5); And be positioned on the axis of into water plate (11) and water outlet plate (5); Membrane material (9) is coated on through liquid passage (7) on every side, sees through liquid outlet (6) and is positioned on the axis of water outlet plate (5), and dense water out (8) is positioned at the end of shell (10) near water outlet plate (5).
2. a kind of online ultrasonic monitoring according to claim 1 with clean the integrated film assembly, it is characterized in that said ultrasonic transducer (2) comprises two transducers, respectively as the inverting element of ultrasonic generator and ultrasonic detector.
3. a kind of online ultrasonic monitoring according to claim 1 and cleaning integrated film assembly is characterized in that, it is adjustable that the direction of the installation direction of said ultrasonic transducer (2) on the cross section and sensing membrane module central axis is 0～60 degree.
4. a kind of online ultrasonic monitoring according to claim 1 and cleaning integrated film assembly is characterized in that the transducer pedestal has the motor drive mechanism that on the membrane module axial direction, changes ultrasonic transducers locations.
5. a kind of online ultrasonic monitoring according to claim 1 and cleaning integrated film assembly; It is characterized in that; The built-in control program of said ultrasonic control system with the running status of the signal of ultrasonic detector and film system as input, with the position of ultrasonic generator, switching, frequency, power as output.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110315418.8A CN102423640B (en) | 2011-10-18 | 2011-10-18 | Integrated membrane module including on-line ultrasonic monitoring and cleaning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110315418.8A CN102423640B (en) | 2011-10-18 | 2011-10-18 | Integrated membrane module including on-line ultrasonic monitoring and cleaning |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102423640A true CN102423640A (en) | 2012-04-25 |
| CN102423640B CN102423640B (en) | 2014-06-18 |
Family
ID=45957718
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110315418.8A Expired - Fee Related CN102423640B (en) | 2011-10-18 | 2011-10-18 | Integrated membrane module including on-line ultrasonic monitoring and cleaning |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102423640B (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103007759A (en) * | 2012-12-03 | 2013-04-03 | 北京清大国华环保科技有限公司 | Ultrasound vibration type rolling type ultrafiltration membrane group device and ultrafiltration device thereof |
| CN106731840A (en) * | 2016-12-15 | 2017-05-31 | 大工（青岛）新能源材料技术研究院有限公司 | A kind of high-efficiency frequency conversion vibrates counter-infiltration dialysis apparatus and method |
| CN107998895A (en) * | 2017-06-30 | 2018-05-08 | 河南新投环保科技股份有限公司 | A kind of plate membrane on-line cleaning device and its cleaning method |
| CN108043230A (en) * | 2017-12-05 | 2018-05-18 | 周宁县岩井泉饮品有限公司 | A kind of ultrafiltration apparatus |
| CN110801735A (en) * | 2019-11-20 | 2020-02-18 | 自然资源部天津海水淡化与综合利用研究所 | Real-time nondestructive monitoring and analyzing device and method for pollution of hollow fiber membrane |
| WO2020202200A1 (en) * | 2019-03-29 | 2020-10-08 | S Nikhil Das | Apparatus and method for reducing concentration polarization and membrane fouling on membrane surface in a filter unit |
| JP2021029443A (en) * | 2019-08-21 | 2021-03-01 | 株式会社熊本アイディーエム | Blood processing apparatus and blood-containing material collection device |
| CN114247289A (en) * | 2021-12-29 | 2022-03-29 | 四川大学 | Low-frequency low-intensity ultrasound-tubular membrane coupling integrated device |
| CN115321674A (en) * | 2022-07-15 | 2022-11-11 | 天津美天水环境科技有限公司 | Anaerobic MBR (membrane bioreactor) membrane pollution monitoring device and cleaning method |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2695092Y (en) * | 2003-04-25 | 2005-04-27 | 燕山大学 | Ultra sonic wave automatic cleaning device for hollow fiber separation film |
-
2011
- 2011-10-18 CN CN201110315418.8A patent/CN102423640B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2695092Y (en) * | 2003-04-25 | 2005-04-27 | 燕山大学 | Ultra sonic wave automatic cleaning device for hollow fiber separation film |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103007759A (en) * | 2012-12-03 | 2013-04-03 | 北京清大国华环保科技有限公司 | Ultrasound vibration type rolling type ultrafiltration membrane group device and ultrafiltration device thereof |
| CN106731840A (en) * | 2016-12-15 | 2017-05-31 | 大工（青岛）新能源材料技术研究院有限公司 | A kind of high-efficiency frequency conversion vibrates counter-infiltration dialysis apparatus and method |
| CN107998895A (en) * | 2017-06-30 | 2018-05-08 | 河南新投环保科技股份有限公司 | A kind of plate membrane on-line cleaning device and its cleaning method |
| CN108043230A (en) * | 2017-12-05 | 2018-05-18 | 周宁县岩井泉饮品有限公司 | A kind of ultrafiltration apparatus |
| WO2020202200A1 (en) * | 2019-03-29 | 2020-10-08 | S Nikhil Das | Apparatus and method for reducing concentration polarization and membrane fouling on membrane surface in a filter unit |
| CN113826008A (en) * | 2019-03-29 | 2021-12-21 | 赛迪恩解决方案私人有限公司 | Device and method for reducing concentration polarization and membrane fouling on membrane surfaces in filter units |
| JP2022535657A (en) * | 2019-03-29 | 2022-08-10 | セディグン ソリューションズ プライベート リミテッド | Apparatus and method for reducing concentration polarization and membrane fouling on membrane surfaces in filter units |
| JP7199569B2 (en) | 2019-03-29 | 2023-01-05 | セディグン ソリューションズ プライベート リミテッド | Apparatus and method for reducing concentration polarization and membrane fouling on membrane surfaces in filter units |
| JP2021029443A (en) * | 2019-08-21 | 2021-03-01 | 株式会社熊本アイディーエム | Blood processing apparatus and blood-containing material collection device |
| CN110801735A (en) * | 2019-11-20 | 2020-02-18 | 自然资源部天津海水淡化与综合利用研究所 | Real-time nondestructive monitoring and analyzing device and method for pollution of hollow fiber membrane |
| CN114247289A (en) * | 2021-12-29 | 2022-03-29 | 四川大学 | Low-frequency low-intensity ultrasound-tubular membrane coupling integrated device |
| CN115321674A (en) * | 2022-07-15 | 2022-11-11 | 天津美天水环境科技有限公司 | Anaerobic MBR (membrane bioreactor) membrane pollution monitoring device and cleaning method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102423640B (en) | 2014-06-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102423640B (en) | Integrated membrane module including on-line ultrasonic monitoring and cleaning | |
| CN109013576B (en) | Hydraulic pipeline cleaning system for ship | |
| CN203862626U (en) | Safe, efficient and automatic descaling device for water boiler | |
| CN107986388A (en) | A kind of water treatment facilities, system and method for treating water | |
| CN202290654U (en) | Mega sonic cleaning head and mega sonic cleaning system comprising same | |
| CN206779059U (en) | A kind of ultrasonic cleaning device for pipe fitting derusting | |
| CN104535654A (en) | Ultrasonic non-destructive detection device for detecting metal rod | |
| CN205393095U (en) | Ultrasonic cleaning device | |
| CN202146884U (en) | Continuous ultrasonic cleaning device | |
| CN107716480B (en) | Device for online cleaning of food industry pipeline and operation method thereof | |
| CN102327883A (en) | Megasonic cleaning head and megasonic cleaning system provided with same | |
| CN106348463A (en) | Ultrasonic scale inhibiting device | |
| CN203577650U (en) | Reverse osmosis membrane ultrasonic cleaning device | |
| JPH01266892A (en) | Treatment of water | |
| CN210229653U (en) | Reverse osmosis membrane cleaning device | |
| CN107661886A (en) | A kind of method using high concentration ice slurry cleaning inner-walls of duct | |
| CN106623234A (en) | T-pipe-structured ultrasonic cleaning in place device | |
| CN103599701A (en) | One-piece ultrasonic strengthened membrane separation apparatus | |
| CN103239877B (en) | High-efficiency hot air source evaporator | |
| CN105772425A (en) | Lifting type automatic cleaning device for pH meter | |
| CN204374149U (en) | A kind of ultrasonic no damage detection device for detecting metal bar | |
| CN206405100U (en) | A kind of high alkali liquid washing groove of cleaning efficiency | |
| DE602006006503D1 (en) | Device for reducing the number of bacteria in a flowing medium | |
| CN205892842U (en) | Ultrasonic wave off -line belt cleaning device of MBR membrane module | |
| CN203342396U (en) | Efficient hot-air-source evaporator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140618 Termination date: 20151018 |
|
| EXPY | Termination of patent right or utility model |