CN205517291U - Belt cleaning device of dull and stereotyped membrane of pottery - Google Patents
Belt cleaning device of dull and stereotyped membrane of pottery Download PDFInfo
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- CN205517291U CN205517291U CN201620230853.9U CN201620230853U CN205517291U CN 205517291 U CN205517291 U CN 205517291U CN 201620230853 U CN201620230853 U CN 201620230853U CN 205517291 U CN205517291 U CN 205517291U
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Abstract
The utility model discloses a belt cleaning device of dull and stereotyped membrane of pottery, including the membrane cisterna, locate the ceramic dull and stereotyped membrane module in the membrane cisterna, pressure sensor, flow sensor washs and changes brush mechanism, and the water pump is produced, dosing pump, control mechanism etc. In efflux mechanism. The utility model discloses a belt cleaning device utilizes the high characteristics of ceramic diaphragm intensity, through adopting the mechanical dull and stereotyped epimembranal face recovery cleaning of the pottery of realizing no aeration that cleans of cleaning brush, can reduce operating power consumption, is showing to lengthen and is recovering the cleaning interval, through adopting the high -pressure spray, changeing that brush machinery is cleaned, chemical back flush cooperation is used and is resumeed to wash to the ceramic membrane subassembly, can reduce the chemical agent use amount, reduce the running cost. The utility model is suitable for an anaerobism pottery membrane bioreactor has enlarged ceramic membrane bioreactor's range of application.
Description
Technical field
This utility model belongs to Membrane Separation for Water Treatment field, is specifically related to the cleaning device of a kind of earthenware slab film.
Background technology
Severe situation of water resource requires that the sewage disposal of China changes to reutilization of the sewage.Membrane bioreactor (MBR) combines biological respinse and membrance separation two parts advantage, is widely used in water treatment field (such as sewage disposal, industrial effluent reusing and drinking water advanced treatment etc.).Mainly having two kinds of forms in the application of water treatment field MBR, one is hollow-fibre membrane, and another is board-like film.Hollow-fibre membrane.It is big that MBR major advantage shows as loading density, can be with backwash；But film silk is easily produced and pollutes and blocking by solid and impurity in waste water, and it is all the shortcoming that hollow fiber film assembly is difficult to overcome that the fracture of film silk and assembly exist aeration dead band.Flat board MBR has that HYDRODYNAMIC CONDITION RELATING TO is easily controllable, sludge concentration is high, antifouling property is good, water yield is big and membrane module such as is easily changed at the feature, it is adaptable to the industrial wastewater etc. of municipal wastewater, high concentrated organic wastewater and difficult degradation.In recent years, earthenware slab film, due to advantages such as its life-span length, anti-pollution, applied ranges, also steps into water treatment field.
Membrane pollution problem is to affect the key issue that MBR runs, by being controlled in terms of the structure optimization of membrane module, the characteristic of mud mixed liquid, membrance separation optimization of operating condition etc..In actual applications, Membrane cleaning generally comprises physical cleaning and Chemical cleaning.Physical cleaning includes online clear water backwash, aeration cleaning and ultrasonic waves for cleaning etc.；Chemical cleaning includes pickling and alkali cleaning, and the medicament that pickling uses is generally citric acid, hydrochloric acid and oxalic acid etc., and the medicament that alkali cleaning uses is generally sodium hypochlorite and sodium hydroxide etc..Physical cleaning is the mechanical erosion by physics and backwash makes the process that the pollutant in film surface and fenestra come off.As Chinese patent CN102600729A discloses a kind of Flat Membrane cleaning assembly, in the alternative slot substituting plate film assembly implantation film unit, under the aerator of film unit and the aerator compound action of cleaning assembly, utilize about the water conservancy disturbance that a large amount of bubble produces, Flat Membrane unit is carried out local and cleans.Chinese patent CN1533827A utilizes the film groove between soft grit and diaphragm and liquid stream perturbation action, effectively removes membrane removal surface contaminant, extends the membranization cleaning frequency.Chinese patent CN202606043U uses micro-nano bubble generator to replace traditional boring aeration pipe, the High-Pressure Water rich in micron and nano grade air bubbles is produced in membrane bioreactor, while oxygen necessary to supply microbial reaction, membrane module is had good souring, it is uniformly arranged on the aeration head of membrane bioreactor by several, its High-Pressure Water produced produces parallel or tangent active force with membrane module, is carried out film surface.Clean device as Chinese patent CN203140342U proposes a kind of supertension water-jet membrane removal, utilize the water under high pressure of flat fan injection cleaning head injection to carry out film surface cleaning, it is adaptable to various film-removing technologies.
Cleaning way currently for organic Flat Membrane is mainly aeration scouring, utilizes the air-water two phase flow body that aeration produces, the shear action that Bubbles Wake produces on film surface.Volume and the bubble size in Bubbles Wake district are directly proportional, and when gas-liquid is air pocket flow-type, its Bubbles Wake district is more beneficial for suppressing the development of fouling membrane.But bubble is the biggest, its gas transfer efficiency is the lowest, have impact on aeration to the efficiency of oxygen supply of microorganism, adds the energy consumption of MBR.
Utility model content
In place of the purpose of this utility model is to overcome the deficiencies in the prior art, provide the cleaning device of a kind of earthenware slab film, utilize the feature that ceramic diaphragm intensity is high, do not use traditional aeration maintenance clean mode, realize carrying out the maintenance clean in film running without the film surface mechanical scrub of aeration, and in During Process of Long-term Operation, use mjector, carry out waterpower and clean fiting chemical cleaning, reduce the use of chemical agent, improve MBR system to run steadily in the long term, reduce operation energy consumption, achieve and in running, MBR earthenware slab membrane module is carried out, greatly improve its antifouling property.
This utility model solves its technical problem and be the technical scheme is that
The cleaning device of a kind of earthenware slab film, including membrane cisterna and the earthenware slab membrane module be located in membrane cisterna；Described membrane cisterna is additionally provided with pressure transducer and flow transducer；Described earthenware slab membrane module is circular, rectangle or square；Its membrane aperture is 0.05～10 μm, and thickness is 6～10mm；Also include:
Clean Zhuan Shua mechanism, be located at above earthenware slab membrane module；This cleaning Zhuan Shua mechanism includes some movably for cleaning the cleaning brush on earthenware slab membrane module surface；These some cleaning brush parallel interval are arranged in string, and the distance between adjacent two cleaning brush is 12～20cm；This some cleaning brush places plane is parallel with earthenware slab membrane module place plane, and cleaning brush forms 0～60 ° of angle with vertical direction；The bristle lengths of this cleaning brush is the half of adjacent two earthenware slab film diaphragm spacing；
Jet mechanism, this jet mechanism includes for the some shower nozzles to earthenware slab membrane module surface injection water under high pressure；Some shower nozzles are located at above earthenware slab membrane module and parallel interval is arranged into string, and the distance between adjacent two shower nozzles is the twice of adjacent two earthenware slab film diaphragm spacing；This some shower nozzle places plane is parallel with earthenware slab membrane module place plane and two interplanar vertical dimensions are 30～60cm；The injection direction of shower nozzle forms 0～60 ° of angle with vertical direction；The outlet of this shower nozzle is pointed nozzle；
Produce water pump, connect with membrane cisterna；
Dosing pump, connects with membrane cisterna；
Controlling organization, described pressure transducer, flow transducer, cleaning Zhuan Shua mechanism, jet mechanism, produces water pump, dosing pump and is all connected with this controlling organization signal.
In one embodiment: described cleaning Zhuan Shua mechanism also includes travel(l)ing rest and connecting rod；Described cleaning brush is installed in travel(l)ing rest by connecting rod.
In one embodiment: described jet mechanism also includes fluidic generator and fluid conduit；Described shower nozzle is connected with fluidic generator by fluid conduit.
In one embodiment: described product water pump is provided with product water valve；Described dosing pump is provided with dosing valve.
In one embodiment: described controlling organization is PLC automatic control system.
The technical program is compared with background technology, and it has the advantage that
(1) being different from the aeration cleaning way of classic flat-plate film, utilize the feature that ceramic diaphragm intensity is high, the mode turning brush mechanical scrub carries out maintenance clean, it is achieved cleaning without aeration, operation energy consumption at least reduces by 20%.
(2) this kind of cleaning way is owing to without aeration, being therefore applicable to anaerobism ceramic membrane bioreactor, expands the range of application of ceramic membrane bioreactor.
(3) turn brush mechanical scrub formula maintenance clean and can significantly extend the recovery cleaning frequency, more than 1 year can be extended to by recovering the cleaning frequency.
(4) use high-pressure spray, turn the recovery cleaning way that brush mechanical scrub coordinates with chemistry backwash, decrease chemical agent usage amount, reduce operating cost.
Accompanying drawing explanation
The utility model is described in further detail with embodiment below in conjunction with the accompanying drawings.
Fig. 1 is cleaning method principle schematic of the present utility model.
Fig. 2 is that cleaning of the present utility model turns brush structural scheme of mechanism.
Fig. 3 is jet structural scheme of mechanism of the present utility model.
Fig. 4 is the schematic flow sheet that jet mechanism of the present utility model produces water under high pressure.
Fig. 5 is the treatment effect schematic diagram of this utility model experimental example 1.
Fig. 6 is the recovery cleaning process treatment effect schematic diagram of this utility model experimental example 2.
Reference: membrane cisterna 1；Earthenware slab film 2；Clean Zhuan Shua mechanism 3；Mobile machine support 31；Connecting rod 32；Cleaning brush 33；Jet mechanism 4；Fluidic generator 41；Fluid conduit 42；Shower nozzle 43；Produce water pump 5；Dosing pump 6；Produce water valve 7；Dosing valve 8；Controlling organization 10；Pressure transducer 12；Flow transducer 13.
Detailed description of the invention
Content of the present utility model is illustrated below by embodiment:
A kind of earthenware slab Membrane cleaning device, including membrane cisterna 1 and the earthenware slab membrane module 2 be vertically located in membrane cisterna 1；Described membrane cisterna 1 is additionally provided with pressure transducer 12 and flow transducer 13；Also include:
Clean Zhuan Shua mechanism 3, be located at above earthenware slab membrane module 2；Described cleaning Zhuan Shua mechanism 3 includes mobile machine support 31, connecting rod 32 and some movably for cleaning the cleaning brush 33 on earthenware slab membrane module 2 surface；Described cleaning brush 33 is installed in mobile machine support 31 by connecting rod 32；These some cleaning brush 33 parallel interval are arranged in string, and the distance between adjacent two cleaning brush 33 is 12～20cm；This cleaning brush 33 place plane is parallel with earthenware slab membrane module 2 place plane, and cleaning brush 33 forms 0～60 ° of angle with vertical direction；This cleaning brush 33 is made up of brush holder support and bristle, and bristle material is steel wire, nylon, cellulose material, and bristle lengths is the half of adjacent two earthenware slab film diaphragm spacing, operationally, earthenware slab film membrane surface can well be carried out mechanical scrub；
Jet mechanism 4, described jet mechanism 4 include fluidic generator 41, fluid conduit 42 and for earthenware slab membrane module 2 surface injection water under high pressure some shower nozzles 43；Described shower nozzle 43 is connected with fluidic generator 41 by fluid conduit 42；As shown in Fig. 3, for the workflow schematic diagram of this jet mechanism 4, utilize fluidic generator 41 to be pressurizeed by the water in water tank and form water under high pressure, and spray water under high pressure by fluid conduit 42 from shower nozzle 43；Among the present embodiment, these several shower nozzles 43 are located at above earthenware slab membrane module 2 and parallel interval is arranged into string, and the distance between adjacent two shower nozzles 43 is the twice of adjacent two earthenware slab film diaphragm spacing；This shower nozzle 43 place plane is parallel with earthenware slab membrane module 2 place plane and two interplanar vertical dimensions are 30～60cm, and the injection direction of shower nozzle 43 forms 0～60 ° of angle with vertical direction；The outlet of described shower nozzle 43 is tip nozzle；
Produce water pump 5, connect with membrane cisterna 1；Described product water pump 5 is provided with product water valve 7, for discharging the clean water after earthenware slab membrane module 2 processes；
Dosing pump 6, connects with membrane cisterna 1；Described dosing pump 6 is provided with dosing valve 8；
Controlling organization 10, for PLC automatic control system；Described pressure transducer 12, flow transducer 13, cleaning Zhuan Shua mechanism 3, jet mechanism 4, product water pump 5, dosing pump 6 are all connected with this controlling organization 10 signal.
Utilize above-mentioned earthenware slab Membrane cleaning device that earthenware slab membrane module 2 is carried out, including maintenance clean process and/or recovery cleaning process；Its principle is as shown in Figure 1；
Described maintenance clean process includes:
1), after earthenware slab membrane module 2 runs 10～30min, 2～6min are stopped；
2) stop period between, stop the suction to sewage, close and produce water pump 5；
3) starting cleaning Zhuan Shua mechanism 3, cleaning brush 33 from top to bottom translates according to the point-to-point speed of 1～10cm/s and earthenware slab membrane module 2 surface is cleaned 2～5min；
4), after scouring terminates, 1min is stood；
5) discharge water in membrane cisterna 1, complete maintenance clean process；
When pressure is more than 60KPa in flow transducer 13 detection display aquifer yield declines 30% and/or pressure transducer 12 detection display membrane cisterna 1, starts and recover cleaning process, including:
1 ') stop the suction to sewage, close and produce water pump 5, stand at least 2min；
2 ') mud mixture in membrane cisterna 1 is discharged；
3 ') start jet mechanism 4 and clean Zhuan Shua mechanism 3, jet mechanism 4 stops the mode intermittent duty of 30～180s according to running between 30～180s, it is rinsed to earthenware slab membrane module 2 surface injection water by shower nozzle 43, flushing pressure is 0.2～0.6Mpa, and cleaning brush 33 from top to bottom translates according to the point-to-point speed of 1～10cm/s and cleans earthenware slab membrane module 2 surface simultaneously；Continue 10～30min altogether；
4 ') open backwashing pump and dosing pump will clean medicinal liquid NaClO (2000ppm) and inject dosing valve 8, open dosing pump 6, in 30min, in membrane cisterna 1, inject above-mentioned cleaning medicinal liquid, carry out backwash, backwashing pressure is 0.1～0.3MPa, and backwash stands 90min after terminating；
5 ') being again started up jet mechanism 4, be rinsed to earthenware slab membrane module 2 surface injection water by shower nozzle 43, flushing pressure is 0.2～0.6Mpa, according to running the mode intermittent duty stopping 1min between 1min, continues 10～30min；
6 ') discharge water in membrane cisterna 1, complete to recover cleaning process.
The earthenware slab membrane module 2 that the cleaning device of earthenware slab film of the present utility model and cleaning method are suitable for can be circular, rectangle or square；Its membrane aperture is 0.05～10 μm, and thickness is 6～10mm.
Experimental example 1
Earthenware slab film is used to carry out municipal wastewater process: membrane aperture is 0.1 μm, and sludge concentration MLSS is 8000mg/L.Earthenware slab membrane module 2 is rectangle, and the device that cleans of earthenware slab film of the present utility model is arranged on the top of earthenware slab membrane module 2, and cleaning brush 33 forms 60 ° of angles with vertical direction；The twice that some shower nozzle 43 parallel interval are arranged and space between each other is adjacent two earthenware slab film diaphragm spacing, for 30cm；This some shower nozzle 43 places plane and the interplanar vertical dimension in earthenware slab membrane module 2 place are 30cm, and the injection direction of shower nozzle 43 forms 0～60 ° of angle with vertical direction.
Described maintenance clean process includes:
1) operational mode of earthenware slab membrane module 2 is 30min-3min, 30min run duration, and average operating flux is 75LMH, runs after 30min, stops 3min；Maintenance clean process is carried out between the stopping time between utilization；
2) stop period between, stop the suction to sewage, close and produce water pump 5；
3) starting cleaning Zhuan Shua mechanism 3, cleaning brush 33 from top to bottom translates according to the point-to-point speed of 1～10cm/s and carries out earthenware slab membrane module 2 surface cleaning 2min；Now, bottom earthenware slab membrane module 2, aeration suspends；
4), after scouring terminates, stand and empty exposure 1min；
5) open outlet pipe, discharge water in membrane cisterna 1, complete maintenance clean process；Can proceed with sewage disposal.
By above-mentioned maintenance clean process, earthenware slab membrane module 2 flux substantially completely recovers, and its effect is as shown in Figure 5.
Experimental example 2
Rotating disc type earthenware slab film is used to carry out anaerobism municipal wastewater process: membrane aperture is 0.05 μm, and sludge concentration MLSS is 6000mg/L.Earthenware slab membrane module 2 is circular, and the device that cleans of earthenware slab film of the present utility model is arranged on the top of earthenware slab membrane module 2, and cleaning brush 33 forms 60 ° of angles with vertical direction.The twice that some shower nozzle 43 parallel interval are arranged and space between each other is adjacent two earthenware slab film diaphragm spacing, for 30cm；This some shower nozzle 43 places plane and the interplanar vertical dimension in earthenware slab membrane module 2 place are 30cm, and the injection direction of shower nozzle 43 forms 0～60 ° of angle with vertical direction.
Described maintenance clean process includes:
1) operational mode of earthenware slab membrane module 2 is 10min-2min, 10min run duration, and average operating flux is 35LMH, runs after 10min, stops 2min；Maintenance clean process is carried out between the stopping time between utilization；
2) stop period between, stop the suction to sewage, close and produce water pump 5；
3) starting cleaning Zhuan Shua mechanism 3, cleaning brush 33 from top to bottom translates according to the point-to-point speed of 1～10cm/s and carries out earthenware slab membrane module 2 surface cleaning 2min；Now, rotating disc type earthenware slab membrane module 2 persistently rotates, linear velocity 2r/min；
4), after scouring terminates, 1min is stood；
5) open outlet pipe, discharge water in membrane cisterna 1, complete maintenance clean process；Can proceed with sewage disposal.
By above-mentioned maintenance clean process, earthenware slab membrane module 2 flux recovery > 90%.
After longtime running fouling membrane, flux drops to 22LMH, declines > 35%, start following recovery cleaning process:
1 ') stop the suction to sewage, close product water valve 7 and produce water pump 5 with stopping, standing more than 10min；
2 ') mud mixture in membrane cisterna 1 is expelled in other holding vessel；
3 ') start jet mechanism 4 and clean Zhuan Shua mechanism 3, jet mechanism 4 stops the mode intermittent duty of 30s according to running between 30s, it is rinsed to earthenware slab membrane module 2 surface injection water by shower nozzle 43, flushing pressure is 0.2～0.6Mpa, and earthenware slab membrane module 2 surface from top to bottom cleaned by cleaning brush 33 according to the point-to-point speed of 1～10cm/s, remove the pollution layer on membrane removal surface；Jet mechanism 4 can be adjusted according to reality application pollution situation, such as, can be to run the mode intermittent duty stopping 30～180s between 30～180s；Continue 10min altogether；
4 ') open backwashing pump and dosing pump will clean medicinal liquid NaClO (2000ppm) and inject dosing valve 8, start dosing pump 6, in 30min, in membrane cisterna 1, inject above-mentioned cleaning medicinal liquid, carry out backwash, backwashing pressure is 0.1～0.3MPa, and backwash stands 90min after terminating；
5 ') being again started up jet mechanism 4, be rinsed to earthenware slab membrane module 2 surface injection water by shower nozzle 43, flushing pressure is 0.2～0.6Mpa, according to running the mode intermittent duty stopping 1min between 1min, continues 10min；This process membrane module produces water pump 5 and closes, and does not carry out filtering and produces water；
6 ') open outlet pipe, discharge water in membrane cisterna 1, complete to recover cleaning process；Can proceed with sewage disposal.
Membrane Filtration Flux recovery effects contrasts as shown in Figure 6, flux recovery rate > 95%.
The above, only this utility model preferred embodiment, therefore the scope that this utility model is implemented can not be limited according to this, the equivalence change i.e. made according to this utility model the scope of the claims and description with modify, all should still belong in the range of this utility model contains.
Claims (5)
1. a cleaning device for earthenware slab film, including membrane cisterna and the earthenware slab membrane module be located in membrane cisterna；Its feature exists
In: described membrane cisterna is additionally provided with pressure transducer and flow transducer；Described earthenware slab membrane module is circular, rectangle or square；
Its membrane aperture is 0.05～10 μm, and thickness is 6～10mm；Also include:
Clean Zhuan Shua mechanism, be located at above earthenware slab membrane module；This cleaning Zhuan Shua mechanism includes some movably for cleaning
The cleaning brush on earthenware slab membrane module surface；These some cleaning brush parallel interval are arranged in string, between adjacent two cleaning brush away from
From for 12～20cm；This cleaning brush place plane is parallel with earthenware slab membrane module place plane, and cleaning brush and vertical direction
Form 0～60 ° of angle；The bristle lengths of this cleaning brush is the half of adjacent two earthenware slab film diaphragm spacing；
Jet mechanism, this jet mechanism includes for the some shower nozzles to earthenware slab membrane module surface injection water under high pressure；Some sprays
Head is located at above earthenware slab membrane module and parallel interval is arranged into string, and the distance between adjacent two shower nozzles is adjacent two ceramic flats
The twice of plate film diaphragm spacing；This shower nozzle place plane parallel with earthenware slab membrane module place plane and two interplanar vertical away from
From for 30～60cm；The injection direction of shower nozzle forms 0～60 ° of angle with vertical direction；The outlet of this shower nozzle is pointed spray
Mouth；
Produce water pump, connect with membrane cisterna；
Dosing pump, connects with membrane cisterna；
Controlling organization, described pressure transducer, flow transducer, cleaning Zhuan Shua mechanism, jet mechanism, produces water pump, dosing pump
All it is connected with this controlling organization signal.
The cleaning device of a kind of earthenware slab film the most according to claim 1, it is characterised in that: described cleaning Zhuan Shua mechanism
Also include travel(l)ing rest and connecting rod；Described cleaning brush is installed in travel(l)ing rest by connecting rod.
The cleaning device of a kind of earthenware slab film the most according to claim 1, it is characterised in that: described jet mechanism also wraps
Include fluidic generator and fluid conduit；Described shower nozzle is connected with fluidic generator by fluid conduit.
The cleaning device of a kind of earthenware slab film the most according to claim 1, it is characterised in that: described product water pump is provided with
Produce water valve；Described dosing pump is provided with dosing valve.
The cleaning device of a kind of earthenware slab film the most according to claim 1, it is characterised in that: described controlling organization is PLC
Automatic control system.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620230853.9U CN205517291U (en) | 2016-03-24 | 2016-03-24 | Belt cleaning device of dull and stereotyped membrane of pottery |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620230853.9U CN205517291U (en) | 2016-03-24 | 2016-03-24 | Belt cleaning device of dull and stereotyped membrane of pottery |
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| CN205517291U true CN205517291U (en) | 2016-08-31 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106512751A (en) * | 2016-12-01 | 2017-03-22 | 三达膜科技（厦门）有限公司 | Preparation method of disc-type multi-channel plate ceramic membrane |
| CN106745704A (en) * | 2016-12-04 | 2017-05-31 | 江苏沛尔膜业股份有限公司 | A kind of plate film assembly Flat Membrane self-cleaning component |
| CN107596921A (en) * | 2017-10-16 | 2018-01-19 | 施尽忠 | Using the membrane module cleaning device of universal adjustment |
| CN108246109A (en) * | 2018-02-11 | 2018-07-06 | 江苏远洋药业股份有限公司 | A kind of soaking and washing device of electrodialytic membranes |
| JP2019005710A (en) * | 2017-06-26 | 2019-01-17 | オルガノ株式会社 | Membrane filtration method, membrane filtration system and filtration membrane washing method |
| CN112426886A (en) * | 2020-11-23 | 2021-03-02 | 西安西热水务环保有限公司 | Low-consumption high-efficiency flat ceramic membrane microfiltration system based on gas-liquid two-phase flow |
| CN117228902A (en) * | 2023-11-13 | 2023-12-15 | 四川坤宇沃达智能科技有限公司 | Underground coal mine water treatment system |
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2016
- 2016-03-24 CN CN201620230853.9U patent/CN205517291U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106512751A (en) * | 2016-12-01 | 2017-03-22 | 三达膜科技（厦门）有限公司 | Preparation method of disc-type multi-channel plate ceramic membrane |
| CN106745704A (en) * | 2016-12-04 | 2017-05-31 | 江苏沛尔膜业股份有限公司 | A kind of plate film assembly Flat Membrane self-cleaning component |
| JP2019005710A (en) * | 2017-06-26 | 2019-01-17 | オルガノ株式会社 | Membrane filtration method, membrane filtration system and filtration membrane washing method |
| CN107596921A (en) * | 2017-10-16 | 2018-01-19 | 施尽忠 | Using the membrane module cleaning device of universal adjustment |
| CN108246109A (en) * | 2018-02-11 | 2018-07-06 | 江苏远洋药业股份有限公司 | A kind of soaking and washing device of electrodialytic membranes |
| CN112426886A (en) * | 2020-11-23 | 2021-03-02 | 西安西热水务环保有限公司 | Low-consumption high-efficiency flat ceramic membrane microfiltration system based on gas-liquid two-phase flow |
| CN117228902A (en) * | 2023-11-13 | 2023-12-15 | 四川坤宇沃达智能科技有限公司 | Underground coal mine water treatment system |
| CN117228902B (en) * | 2023-11-13 | 2024-01-26 | 四川坤宇沃达智能科技有限公司 | Underground coal mine water treatment system |
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