CN104528884A - Membrane ultrasonic and synchronous incrustation removal ultrafiltration device and control method thereof - Google Patents
Membrane ultrasonic and synchronous incrustation removal ultrafiltration device and control method thereof Download PDFInfo
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Abstract
The invention belongs to the field of water treatment technologies, and relates to a membrane ultrasonic and synchronous incrustation removal ultrafiltration device and a control method of the membrane ultrasonic and synchronous incrustation removal ultrafiltration device. A water inlet end ultrasonic contacting cavity and a water outlet end ultrasonic contacting cavity are arranged in the ultrafiltration device, an ultrasonic and synchronous incrustation removal system is installed inside the ultrafiltration device, and the ultrasonic and synchronous incrustation removal system mainly comprises an ultrasonic transducer, a connecting cable, an ultrasonic generator and a microcomputer time controller. When the ultrafiltration device works normally, ultrasonic and synchronous cleaning is controlled to be carried out on the ultrafiltration device through the time controller, the situation that incrustation crystals are attached to the surface of a membrane and grow into compact and stable incrustation can be avoided, membrane pollution is effectively controlled, and the cleaning period of the membrane is prolonged; through ultrasonic oscillation, the water flow state of on the surface of the membrane can be changed, and the phenomenon of concentration polarization on the surface of the membrane can be reduced. Meanwhile, when the ultrafiltration device is used for thorough cleaning, the ultrafiltration device can assist in mechanical cleaning, and therefore the cleaning effect is improved. By the adoption of the membrane ultrasonic and synchronous incrustation removal ultrafiltration device and the control method of the membrane ultrasonic and synchronous incrustation removal ultrafiltration device, the phenomenon of incrustation formation on the surface of the membrane can be effectively controlled, the purposes of maintaining high membrane flux, improving the working efficiency of the membrane and prolonging the service life can be achieved, and the application and popularization prospects are good.
Description
Technical field
The invention belongs to genus water-treatment technology field, relate to the ultrasonic synchronous scale removal ultra-filtration equipment of a kind of film and control method thereof.
Background technology
Ultrafiltration utilizes microporous membrane for medium, retains the separation method of the indissociable macromolecule organic of common filtration method.Owing to containing the hardness ionses such as calcium magnesium in water, ultra-filtration equipment often there will be film scale formation in operational process, causes film to block, and makes membrane flux reduce and affect the normal work of membrane module.The method of current solution membrane module fouling mainly contains chemical cleaning method and physical cleaning method.Chemical cleaning method refers to adopt the chemical agents such as citric acid soak film and clean; Physical cleaning method refers to manually, mechanical cleaning etc., does not use the purging method of any chemical agent, comprises water backwashing, ultrasonic cleaning etc.Wherein, ultrasonic cleaning utilizes cavatition to clash into the incrustation scale on film surface, peel off, with the cleaning object reached.Ultrasonic cleaning has that cleaning speed is fast, working efficiency is high, cleaning performance is good, simple to operate, can not destroy the advantages such as the structure of film.
Summary of the invention
The present invention solves existing problem in the art, provides a kind of film ultrasonic synchronous scale removal ultra-filtration equipment, can solve the film scale problems of ultra-filtration equipment, realize synchronizing ultrasound scale removal, stop crystal in film surface attachment, grow up, also can reduce the concentration polarization phenomenon of film, extend the work-ing life etc. of film.
The object of the invention is, carry out regular supersound process when ultra-filtration equipment works, reduce the generation of ultrafiltration membrane surface crystal, fouling, also can reduce the generation of ultrafiltration membrane surface concentration polarization phenomenon simultaneously; Meanwhile, when ultra-filtration equipment is washed greatly, can matting be assisted, improve cleaning performance.The present invention effectively can carry out ultrasonic synchronous scale removal to ultra-filtration equipment, can reach the object maintaining high membrane flux, improve ultra-filtration membrane working efficiency and increase the service life.
The present invention is achieved by the following technical solutions:
The ultrasonic synchronous scale removal ultra-filtration equipment of a kind of film of the present invention, this device is made up of ultra-filtration equipment and ultrasonic synchronous scaler system, described ultra-filtration equipment comprises the water-in be from bottom to top connected successively, former water inlet valve, feed-water end ultrasonic wave hits chamber, hollow-fibre membrane, ultrasonic wave hits chamber, water side, permeate flowing water Valve, permeate water outlet, the outside of described hollow-fibre membrane is provided with putamina, described putamina is supported by membrane support and is positioned at the top in feed-water end ultrasonic wave hits chamber, the bottom in ultrasonic wave hits chamber, water side, the top center side in ultrasonic wave hits chamber, described water side is provided with rinse water import and rinse water inlet valve, described permeate water outlet is positioned at the pars intermedia of water side ultrasonic wave hits top of chamber, and is connected with one end of permeate flowing water Valve, the bottom centre side in described feed-water end ultrasonic wave hits chamber is provided with sewage draining exit, and is provided with sewage draining exit valve, described water-in is located at the portion of bottom centre in feed-water end ultrasonic wave hits chamber, the below in ultrasonic wave hits chamber, described water side, the upper lateral part of hollow-fibre membrane are provided with concentrated solution outlet, and are provided with concentrated solution flowing water Valve.
Described ultrasonic synchronous scaler system comprises ultrasonic transducer, ultrasonic generator, tie cable, micro computer time controller; Described ultrasonic transducer has two, and be located at the side in feed-water end ultrasonic wave hits chamber, ultrasonic wave hits chamber, water side respectively, and connect ultrasonic generator by tie cable, described ultrasonic generator connects again micro computer time controller.
The other end of described water-in connects raw water box by former water water inlet pipe through former water intake pump; Described concentrated solution outlet outer end connects concentrated solution water tank by concentrated solution rising pipe through concentrated solution flowing water Valve; Described rinse water import outer end is connected matting pharmacy slot through rinse water inlet valve with drug metering pump; Described permeate water outlet outer end goes out water pump by permeate rising pipe through permeate flowing water Valve and permeate and is connected filtered water tank.
The volume in described feed-water end ultrasonic wave hits chamber, ultrasonic wave hits chamber, water side is 4 ~ 6% of whole ultra-filtration equipment, is preferably 5%.
The control method of the ultrasonic synchronous scale removal ultra-filtration equipment of above-mentioned film, it comprises the steps:
When carrying out the ultrasonic synchronous cleaning of ultra-filtration equipment, ultra-filtration equipment normally works, now close rinse water inlet valve and the sewage draining exit valve of ultra-filtration equipment, open former water inlet valve, permeate flowing water Valve and concentrated solution flowing water Valve, then start ultra-filtration equipment and carry out mask work, feed liquid enters feed-water end ultrasonic wave hits chamber from water-in by former water inlet valve, then enter after hollow-fibre membrane carries out isolation of purified, after permeate enters ultrasonic wave hits chamber, water side, by being discharged by permeate water outlet after permeate flowing water Valve, concentrated solution is through concentrated solution outlet, concentrated solution flowing water Valve is discharged, while the work of ultra-filtration equipment process feed liquid, control ultrasonic occurrence frequency in ultrasonic generator, control the ultrasonic time of origin of ultrasonic generator by micro computer time controller, ultrasonic transducer is made to produce ultrasonic wave in feed-water end ultrasonic wave hits chamber and ultrasonic wave hits chamber, water side, ultrasonic wave is made to produce concussion to feed liquid in feed-water end ultrasonic wave hits chamber and ultrasonic wave hits chamber, water side, ultrasonic wave is propagated by feed liquid and is carried out ultrasonic vibration cleaning to hollow-fibre membrane, reaches the ultrasonic synchronous cleaning of ultra-filtration equipment.
During the ultrasonic synchronous cleaning of ultra-filtration equipment, by micro computer time controller control ultrasonic transducer and ultrasonic generator working hour be: at interval of 20-30 minute work 3-5 minute, the ultrasonic frequency controlled in ultrasonic transducer and ultrasonic generator was 20KHz.
The control method of the ultrasonic synchronous scale removal ultra-filtration equipment of above-mentioned a kind of film, it can also be following steps:
When ultra-filtration equipment is washed greatly, ultra-filtration equipment quits work, now close former water inlet valve, permeate flowing water Valve and concentrated solution flowing water Valve, open rinse water inlet valve and sewage draining exit valve, ultra-filtration equipment is washed greatly, rinse water, acid or oxygenant cleaning agent enter in ultra-filtration equipment from rinse water import through rinse water inlet valve, ultrasonic transducer and ultrasonic generator non-stop run, ultrasonic with acid or oxygenant carry out combined cleaning, cleaning waste liquid is by sewage draining exit valve, sewage draining exit is discharged, ultra-filtration equipment membrane flux is finally made to be restored, ultra-filtration equipment is stopped to wash work greatly.
When ultra-filtration equipment is washed greatly, controlling ultrasonic frequency in ultrasonic transducer and ultrasonic generator is 50-100kHz, and be preferably 75kHz, scavenging period is washed required time greatly according to ultra-filtration equipment and determines.
The present invention can realize synchronizing ultrasound scale removal, stops crystal in film surface attachment, grows up, also can reduce the concentration polarization phenomenon of film, extend the work-ing life of film.Meanwhile, when ultra-filtration equipment is washed greatly, complex acid and oxygenant carry out combined cleaning, effectively can improve cleaning performance, improve the recovery rate of membrane flux.In addition, also can change film surface water stream mode by sonic oscillation, reduce the concentration polarization phenomenon on film surface.The method effectively can control the problems such as ultra-filtration equipment fouling membrane operationally, film inefficiency, common cleaning are thorough, membrane flux recovery rate is low.
The present invention compared with prior art has following significant advantage:
1. this method arranges feed-water end ultrasonic wave hits chamber and ultrasonic wave hits chamber, water side in ultra-filtration equipment, and ultrasonic transducer installed by wall within it, ultrasonic transducer is connected with ultrasonic generator by tie cable, does not need to reorganize dress on a large scale for existing ultra-filtration equipment.2. feed-water end ultrasonic wave hits chamber and ultrasonic wave hits chamber, water side be set in ultra-filtration equipment and can improve mass-transfer efficiency in ultrasonic cleaning process, improve ultrasonic wave acoustic energy utilising efficiency.3. ultra-filtration equipment carries out ultrasonic synchronous cleaning, can effectively prevent crystal from adhering on film, growing up, and extends the cleaning interval of film.4. when ultra-filtration equipment is shut down and washed greatly, carry out ultrasonic cleaning simultaneously, membrane module can be improved and clean halfway present situation, improve membrane flux recovery rate.5. also can change film surface water stream mode by sonic oscillation, reduce the concentration polarization phenomenon on film surface, improve membrane flux.
Accompanying drawing explanation
Fig. 1 is apparatus of the present invention structural representation;
Fig. 2 is apparatus of the present invention embodiment structural representation
In figure, each part numbers is: water-in 1, former water inlet valve 2, feed-water end ultrasonic wave hits chamber 3, hollow-fibre membrane 4, ultrasonic wave hits chamber, water side 5, permeate flowing water Valve 6, permeate water outlet 7, ultrasonic transducer 8, ultrasonic generator 9, tie cable 10, micro computer time controller 11, putamina 12, membrane support 13, rinse water import 14, rinse water inlet valve 15, sewage draining exit 16, sewage draining exit valve 17, concentrated solution outlet 18, concentrated solution flowing water Valve 19, concentrated solution water tank 20, filtered water tank 21, raw water box 22, concentrated solution rising pipe 23, permeate rising pipe 24, permeate goes out water pump 25, former water intake pump 26, matting pharmacy slot 27, drug metering pump 28, former water water inlet pipe 29.
Embodiment
Specific embodiments of the present invention is described in detail with reference to the accompanying drawings.
See Fig. 1, Fig. 2.
The ultrasonic synchronous scale removal ultra-filtration equipment of a kind of film of the present invention, this device is made up of ultra-filtration equipment and ultrasonic synchronous scaler system, described ultra-filtration equipment comprises the water-in 1 be from bottom to top connected successively, former water inlet valve 2, feed-water end ultrasonic wave hits chamber 3, hollow-fibre membrane 4, ultrasonic wave hits chamber, water side 5, permeate flowing water Valve 6, permeate water outlet 7, the outside of described hollow-fibre membrane 4 is provided with putamina 12, described putamina 12 is supported by membrane support 13 and is positioned at the top in feed-water end ultrasonic wave hits chamber 3, the bottom in ultrasonic wave hits chamber, water side 5, the top center side in ultrasonic wave hits chamber, described water side 5 is provided with rinse water import 14 and rinse water inlet valve 15, described permeate water outlet 7 is positioned at the pars intermedia at top, ultrasonic wave hits chamber 5, water side, and is connected with one end of permeate flowing water Valve 6, the bottom centre side in described feed-water end ultrasonic wave hits chamber 3 is provided with sewage draining exit 16, and is provided with sewage draining exit valve 17, described water-in 1 is located at the portion of bottom centre in feed-water end ultrasonic wave hits chamber 3, the below in ultrasonic wave hits chamber, described water side 5, the upper lateral part of hollow-fibre membrane 4 are provided with concentrated solution outlet 18, and are provided with concentrated solution flowing water Valve 19,
Described ultrasonic synchronous scaler system comprises ultrasonic transducer 8, ultrasonic generator 9, tie cable 10, micro computer time controller 11; Described ultrasonic transducer 8 has two, and be located at the side in feed-water end ultrasonic wave hits chamber 3, ultrasonic wave hits chamber, water side 5 respectively, and connect ultrasonic generator 9 by tie cable 10, described ultrasonic generator 9 connects micro computer time controller 11 again.
The other end of described water-in 1 connects raw water box 22 by former water water inlet pipe 29 through former water intake pump 26; Described concentrated solution outlet 18 outer end connects concentrated solution water tank 20 by concentrated solution rising pipe 23 through concentrated solution flowing water Valve 19; Described rinse water import 14 outer end is connected matting pharmacy slot 27 through rinse water inlet valve 15 with drug metering pump 28; Described permeate water outlet 7 outer end goes out water pump 25 by permeate rising pipe 24 through permeate flowing water Valve 6 and permeate and is connected filtered water tank 21.
The volume in described feed-water end ultrasonic wave hits chamber 3, ultrasonic wave hits chamber, water side 5 is 4 ~ 6% of whole ultra-filtration equipment, is preferably 5%.
The control method of the ultrasonic synchronous scale removal ultra-filtration equipment of above-mentioned film, it comprises the steps:
When carrying out the ultrasonic synchronous cleaning of ultra-filtration equipment, ultra-filtration equipment normally works, now close rinse water inlet valve 15 and the sewage draining exit valve 17 of ultra-filtration equipment, open former water inlet valve 2, permeate flowing water Valve 6 and concentrated solution flowing water Valve 19, then start ultra-filtration equipment and carry out mask work, feed liquid enters feed-water end ultrasonic wave hits chamber 3 from water-in 1 by former water inlet valve 2, then enter after hollow-fibre membrane 4 carries out isolation of purified, after permeate enters ultrasonic wave hits chamber, water side 5, by being discharged by permeate water outlet 7 after permeate flowing water Valve 6, concentrated solution is through concentrated solution outlet 18, concentrated solution flowing water Valve 19 is discharged, while the work of ultra-filtration equipment process feed liquid, control ultrasonic occurrence frequency in ultrasonic generator 9, control the ultrasonic time of origin of ultrasonic generator 9 by micro computer time controller 11, ultrasonic transducer 8 is made to produce ultrasonic wave in feed-water end ultrasonic wave hits chamber 3 and ultrasonic wave hits chamber, water side 5, ultrasonic wave is made to produce concussion to feed liquid in feed-water end ultrasonic wave hits chamber 3 and ultrasonic wave hits chamber, water side 5, ultrasonic wave is propagated by feed liquid and is carried out ultrasonic vibration cleaning to hollow-fibre membrane 4, reaches the ultrasonic synchronous cleaning of ultra-filtration equipment.
During the ultrasonic synchronous cleaning of ultra-filtration equipment, ultrasonic transducer 8 is controlled and ultrasonic generator 9 working hour is: at interval of 20-30 minute work 3-5 minute, the ultrasonic frequency controlled in ultrasonic transducer 8 and ultrasonic generator 9 was 20KHz by micro computer time controller 11.
The control method of the ultrasonic synchronous scale removal ultra-filtration equipment of above-mentioned a kind of film, it can also be following steps:
When ultra-filtration equipment is washed greatly, ultra-filtration equipment quits work, now close former water inlet valve 2, permeate flowing water Valve 6 and concentrated solution flowing water Valve 19, open rinse water inlet valve 15 and sewage draining exit valve 17, ultra-filtration equipment is washed greatly, rinse water, acid or oxygenant cleaning agent enter in ultra-filtration equipment from rinse water import 14 through rinse water inlet valve 15, ultrasonic transducer 8 and ultrasonic generator 9 non-stop run, ultrasonic with acid or oxygenant carry out combined cleaning, cleaning waste liquid is by sewage draining exit valve 17, sewage draining exit 16 is discharged, ultra-filtration equipment membrane flux is finally made to be restored, ultra-filtration equipment is stopped to wash work greatly.
When ultra-filtration equipment is washed greatly, controlling ultrasonic frequency in ultrasonic transducer 8 and ultrasonic generator 9 is 50-100kHz, and be preferably 75kHz, scavenging period is washed required time greatly according to ultra-filtration equipment and determines.
Embodiment 1
As shown in Figure 1, the ultrasonic synchronous cleaning of ultra-filtration equipment, ultra-filtration equipment normally works, now close rinse water inlet valve 15 and sewage draining exit valve 17 on ultra-filtration equipment, open former water inlet valve 2, permeate flowing water Valve 6 and concentrated solution flowing water Valve 19, then start ultra-filtration equipment and carry out mask work.Feed liquid provides power from water-in 1 by former water inlet valve 2 to enter feed-water end ultrasonic wave hits chamber 3 through former water water inlet pipe 29 by former water intake pump 26 from raw water box 22, then enter after hollow-fibre membrane 4 carries out isolation of purified, after permeate enters ultrasonic wave hits chamber, water side 5, after permeate flowing water Valve 6, permeate water outlet 7 goes out water pump 25 by permeate rising pipe 24 by permeate provides power to enter permeate water tank 21, and concentrated solution enters concentrated solution water tank 20 through concentrated solution outlet 18, concentrated solution flowing water Valve 19 by concentrated solution rising pipe 23; While the work of ultra-filtration equipment process feed liquid, control ultrasonic occurrence frequency in ultrasonic generator 9, control the ultrasonic time of origin of ultrasonic generator 9 by micro computer time controller 11, ultrasonic transducer 8 is made to produce ultrasonic wave in feed-water end ultrasonic wave hits chamber 3 and ultrasonic wave hits chamber, water side 5, ultrasonic wave is made to produce concussion to feed liquid in feed-water end ultrasonic wave hits chamber 3 and ultrasonic wave hits chamber, water side 5, ultrasonic wave is propagated by feed liquid and is carried out ultrasonic vibration cleaning to hollow-fibre membrane 4, reach the ultrasonic synchronous cleaning of ultra-filtration equipment, reduce the scale formation of membrane module.
During the ultrasonic synchronous cleaning of Vltrasonic device, ultrasonic transducer 8 is controlled and ultrasonic generator 9 working hour is: at interval of 20-30 minute work 3-5 minute, controlling ultrasonic frequency in ultrasonic transducer 8 and ultrasonic generator 9 was 20KHz by micro computer time controller 11.
Embodiment 2
As shown in Figure 1, ultra-filtration equipment is washed greatly, and ultra-filtration equipment quits work, and now closes former water inlet valve 2, permeate flowing water Valve 6 and concentrated solution flowing water Valve 19, and open rinse water inlet valve 15 and sewage draining exit valve 17, ultra-filtration equipment is washed greatly.Rinse water enters ultra-filtration equipment in by rinse water import 14 through rinse water inlet valve 15 through drug metering pump 28 from drug metering groove 27 with acid or oxygenant cleaning agent, ultrasonic transducer 8 and ultrasonic generator 9 non-stop run, ultrasonic with acid or oxygenant carry out combined cleaning, cleaning waste liquid is discharged by sewage draining exit 16, sewage draining exit valve 17, finally make ultra-filtration equipment membrane flux be restored, stop ultra-filtration equipment washing work greatly.When ultra-filtration equipment is washed greatly, controlling ultrasonic frequency in ultrasonic transducer 8 and ultrasonic generator 9 is 50-100kHz, and the best is 75kHz, and scavenging period is washed required time greatly according to ultra-filtration equipment and determines.
Claims (9)
1. the ultrasonic synchronous scale removal ultra-filtration equipment of film, it is characterized in that, this device is made up of ultra-filtration equipment and ultrasonic synchronous scaler system, described ultra-filtration equipment comprises the water-in (1) be from bottom to top connected successively, former water inlet valve (2), feed-water end ultrasonic wave hits chamber (3), hollow-fibre membrane (4), ultrasonic wave hits chamber, water side (5), permeate flowing water Valve (6), permeate water outlet (7), the outside of described hollow-fibre membrane (4) is provided with putamina (12), described putamina (12) is supported by membrane support (13) and is positioned at the top in feed-water end ultrasonic wave hits chamber (3), the bottom in ultrasonic wave hits chamber, water side (5), the top center side of ultrasonic wave hits chamber, described water side (5) is provided with rinse water import (14) and rinse water inlet valve (15), described permeate water outlet (7) is positioned at the pars intermedia at ultrasonic wave hits chamber, water side (5) top, and is connected with one end of permeate flowing water Valve (6), the bottom centre side of described feed-water end ultrasonic wave hits chamber (3) is provided with sewage draining exit (16), and is provided with sewage draining exit valve (17), described water-in (1) is located at the portion of bottom centre in feed-water end ultrasonic wave hits chamber (3), the below of ultrasonic wave hits chamber, described water side (5), the upper lateral part of hollow-fibre membrane (4) are provided with concentrated solution outlet (18), and are provided with concentrated solution flowing water Valve (19),
Described ultrasonic synchronous scaler system comprises ultrasonic transducer (8), ultrasonic generator (9), tie cable (10), micro computer time controller (11); Described ultrasonic transducer (8) has two, be located at the side in feed-water end ultrasonic wave hits chamber (3), ultrasonic wave hits chamber, water side (5) respectively, and connecting ultrasonic generator (9) by tie cable (10), described ultrasonic generator (9) connects micro computer time controller (11) again.
2. the ultrasonic synchronous scale removal ultra-filtration equipment of a kind of film as claimed in claim 1, it is characterized in that, the other end of described water-in (1) connects raw water box (22) by former water water inlet pipe (29) through former water intake pump (26); Described concentrated solution outlet (18) outer end is by concentrated solution rising pipe 23) connect concentrated solution water tank (20) through concentrated solution flowing water Valve (19); Described rinse water import (14) outer end is connected matting pharmacy slot (27) through rinse water inlet valve (15) with drug metering pump (28); Described permeate water outlet (7) outer end goes out water pump (25) by permeate rising pipe (24) through permeate flowing water Valve (6) and permeate and is connected filtered water tank (21).
3. the ultrasonic synchronous scale removal ultra-filtration equipment of a kind of film as claimed in claim 1, is characterized in that, the volume in described feed-water end ultrasonic wave hits chamber (3), ultrasonic wave hits chamber, water side (5) is 4 ~ 6% of whole ultra-filtration equipment.
4. the ultrasonic synchronous scale removal ultra-filtration equipment of a kind of film as claimed in claim 1, is characterized in that, the volume in described feed-water end ultrasonic wave hits chamber (3), ultrasonic wave hits chamber, water side (5) is 5% of whole ultra-filtration equipment.
5., as Claims 1-4 selects the control method of the ultrasonic synchronous scale removal ultra-filtration equipment of a kind of film as described in, it is characterized in that, it comprises the steps:
When carrying out the ultrasonic synchronous cleaning of ultra-filtration equipment, ultra-filtration equipment normally works, now close rinse water inlet valve (15) and the sewage draining exit valve (17) of ultra-filtration equipment, open former water inlet valve (2), permeate flowing water Valve (6) and concentrated solution flowing water Valve (19), then start ultra-filtration equipment and carry out mask work, feed liquid enters feed-water end ultrasonic wave hits chamber (3) from water-in (1) by former water inlet valve (2), then enter after hollow-fibre membrane (4) carries out isolation of purified, after permeate enters ultrasonic wave hits chamber, water side (5), by being discharged by permeate water outlet (7) after permeate flowing water Valve (6), concentrated solution is through concentrated solution outlet (18), concentrated solution flowing water Valve (19) is discharged, while the work of ultra-filtration equipment process feed liquid, control ultrasonic occurrence frequency in ultrasonic generator (9), ultrasonic generator (9) ultrasonic time of origin is controlled by micro computer time controller (11), ultrasonic transducer (8) is made to produce ultrasonic wave in feed-water end ultrasonic wave hits chamber (3) and ultrasonic wave hits chamber, water side (5), ultrasonic wave is made to produce concussion to feed liquid in feed-water end ultrasonic wave hits chamber (3) and ultrasonic wave hits chamber, water side (5), ultrasonic wave is propagated by feed liquid and is carried out ultrasonic vibration cleaning to hollow-fibre membrane (4), reach the ultrasonic synchronous cleaning of ultra-filtration equipment.
6. the control method of the ultrasonic synchronous scale removal ultra-filtration equipment of a kind of film as claimed in claim 5, is characterized in that,
During the ultrasonic synchronous cleaning of ultra-filtration equipment, by micro computer time controller (11) control ultrasonic transducer (8) and ultrasonic generator (9) working hour be: at interval of 20-30 minute work 3-5 minute, the ultrasonic frequency controlled in ultrasonic transducer (8) and ultrasonic generator (9) was 20KHz.
7. the control method of the ultrasonic synchronous scale removal ultra-filtration equipment of a kind of film as claimed in claim 5, is characterized in that, it can also be following steps:
When ultra-filtration equipment is washed greatly, ultra-filtration equipment quits work, now close former water inlet valve (2), permeate flowing water Valve (6) and concentrated solution flowing water Valve (19), open rinse water inlet valve (15) and sewage draining exit valve (17), ultra-filtration equipment is washed greatly, rinse water, acid or oxygenant cleaning agent enter in ultra-filtration equipment from rinse water import (14) through rinse water inlet valve (15), ultrasonic transducer (8) and ultrasonic generator (9) non-stop run, ultrasonic with acid or oxygenant carry out combined cleaning, cleaning waste liquid is by sewage draining exit valve (17), sewage draining exit (16) is discharged, ultra-filtration equipment membrane flux is finally made to be restored, ultra-filtration equipment is stopped to wash work greatly.
8. the control method of the ultrasonic synchronous scale removal ultra-filtration equipment of a kind of film as claimed in claim 7, it is characterized in that, when ultra-filtration equipment is washed greatly, controlling ultrasonic frequency in ultrasonic transducer (8) and ultrasonic generator (9) is 50-100kHz, and scavenging period is washed required time greatly according to ultra-filtration equipment and determines.
9. the control method of the ultrasonic synchronous scale removal ultra-filtration equipment of a kind of film as claimed in claim 8, it is characterized in that, when ultra-filtration equipment is washed greatly, controlling ultrasonic frequency in ultrasonic transducer (8) and ultrasonic generator (9) is 75kHz, and scavenging period is washed required time greatly according to ultra-filtration equipment and determines.
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| CN104891606A (en) * | 2015-06-04 | 2015-09-09 | 黎建军 | Mechanical membrane process water treatment device and method |
| CN105032188A (en) * | 2015-09-17 | 2015-11-11 | 天津科技大学 | Ultrasonic membrane ultrafiltration device |
| CN105060406A (en) * | 2015-08-26 | 2015-11-18 | 李纳 | Membrane separation system |
| CN105597541A (en) * | 2016-02-26 | 2016-05-25 | 张汐汐 | Ultrafiltration device |
| CN106621815A (en) * | 2016-12-06 | 2017-05-10 | 广州富生源环保工程有限公司 | Ultrafiltration device capable of ultrasonic cleaning membrane by intelligent control |
| 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 |
| CN110013767A (en) * | 2018-01-08 | 2019-07-16 | 中国科学院兰州化学物理研究所 | A membrane filter device for ultrasonic-assisted continuous automatic cleaning of graphene oxide |
| CN110342772A (en) * | 2019-06-27 | 2019-10-18 | 江苏连昌环保设备有限公司 | Dairy cow farm sewage treatment plant and its processing method |
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| CN110013767B (en) * | 2018-01-08 | 2024-02-06 | 中国科学院兰州化学物理研究所 | Membrane filtration device for ultrasonic-assisted continuous automatic cleaning of graphene oxide |
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