CN107899426A - A kind of method for treating water and processing unit for orienting selfreparing flat ceramic membrane module - Google Patents
A kind of method for treating water and processing unit for orienting selfreparing flat ceramic membrane module Download PDFInfo
- Publication number
- CN107899426A CN107899426A CN201711344116.7A CN201711344116A CN107899426A CN 107899426 A CN107899426 A CN 107899426A CN 201711344116 A CN201711344116 A CN 201711344116A CN 107899426 A CN107899426 A CN 107899426A
- Authority
- CN
- China
- Prior art keywords
- film
- diaphragm
- titanium dioxide
- tablet
- flat ceramic
- 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.)
- Pending
Links
Classifications
-
- 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
-
- 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
- B01D65/022—Membrane sterilisation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
- C02F3/12—Activated sludge processes
- C02F3/1236—Particular type of activated sludge installations
- C02F3/1268—Membrane bioreactor systems
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2321/00—Details relating to membrane cleaning, regeneration, sterilization or to the prevention of fouling
- B01D2321/04—Backflushing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2321/00—Details relating to membrane cleaning, regeneration, sterilization or to the prevention of fouling
- B01D2321/16—Use of chemical agents
- B01D2321/168—Use of other chemical agents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2321/00—Details relating to membrane cleaning, regeneration, sterilization or to the prevention of fouling
- B01D2321/30—Mechanical cleaning, e.g. with brushes or scrapers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2321/00—Details relating to membrane cleaning, regeneration, sterilization or to the prevention of fouling
- B01D2321/34—Details relating to membrane cleaning, regeneration, sterilization or to the prevention of fouling by radiation
- B01D2321/343—By UV radiation
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Abstract
The invention discloses a kind of method for treating water for orienting selfreparing flat ceramic membrane module, nano-catalytic type titanium dioxide non-axisymmetrical separation film is first provided with flat ceramic diaphragm surface, then tablet diaphragm is assembled into flat ceramic membrane module, the rotating brushes that can be really cleaned at random to flat ceramic above and below good row is provided between tablet pottery diaphragm in plate film assembly, ultraviolet ray generating apparatus is provided between the flat ceramic diaphragm, and ozone and H are added in the medium in backwash2O2.The present invention, which can orient, to be carried out film surface microbial bacterial and organic matter to kill decomposition and fast degradation, can effectively reduce fouling membrane, the number of backwashes and frequency substantially reduced.The water flux for the unit interval for greatly improving the effective time of equipment and being significantly increased, water flux under equal conditions increase by more than 30%.Random directional decomposition film surface organic matter, greasy dirt, bacterium etc. in time, keep film surface neatly clean, improve filter effect and filter efficiency.
Description
Technical field
The present invention relates to sewage disposal complete set of equipments, and in particular to orientation selfreparing flat ceramic membrane module and its water process
Method.
Background technology
Earthenware slab membrane bioreactor is as a kind of new and effective sewage disposal technology, it has also become sanitary sewage, oil-containing
Waste water, industrial wastewater and extreme environment waste water（Butcher with breeding wastewater etc.）Indispensable treatment technology in processing.
It is well known that the organic matter in waste water is the important substance for causing body eutrophication and environmental pollution, water is caused
Middle algae and other microorganism amount reproductions, decline oxygen in water, fish mortality, ecosystem collapse, annual China
Marine site occurs red tide and is up to tens times, and organic matter is the one of the major reasons of pollution；Ceramic membrane has become sewage disposal and has filled
Core component is put, good result is achieved in practice.But because organic matter and inorganic matter absorption exist in system filtering operation
Membrane surface, particularly phosphorus-nitrogen containing is high in breeding wastewater, bacterium and microorganism and its easy flourish, and metabolin easily with
Metal ion interaction forms layer of gel layer in film surface, or bacterium in ceramic membrane surface implantation and can be tightly adhered to film
Coating layer is formed on surface, causes diaphragm channel blockage flux to decline and even results in system crash.Filtering just needs for 10 ~ 30 minutes
Backwash 1 ~ 3 minute is carried out, and backwash water and pressure will be increased to 2 times, cause equipment work efficiency there was only 60% ~ 70% left side
The right side, equipment operating cost improve, cost of investment increase；And the time has grown bacterium and has easily bred, further result in it is dirty stifled, it is necessary to
Medication is washed, and is further reduced filtration time and is reduced total filter efficiency, while cost is significantly increased, and sludge quantity significantly increases
It is long.And all soda acid salts and oxidant and enzyme detergent class can generate other salts substances, partly with bacterium colloid group
Gel group is formed in film surface and brings metal ion into, causes secondary accumulation pollution, and can change pH value, derives other ring
Border pollution problem.
The content of the invention
In order to solve flat ceramic membrane module easily dirty stifled and frequent clean, and causing in application process in the prior art
The problem of running efficiency of system is low, and operating cost is high, there is the device of mechanical cleaning diaphragm in the market, but it can only be removed
Inorganic particle material, the software colloidal substance produced to organic matter can not be removed, in addition also have and put into using nano-titanium dioxide
Membrane cisterna simultaneously adds the experiment that ultraviolet produces hydroxyl radical free radical, but because titanium dioxide nanoparticle is very tiny, be easy to cause
Pore Blocking is simultaneously easily lost in.Nano titanium dioxide film and ultraviolet light and the linkage coupling of other oxidants cooperate with industrial large-sized anti-
It is always a hang-up to answer device design, and does not have application case.
The present invention provides one kind to be oriented cleaning to flat ceramic diaphragm surface at random in Water treatment filtration, no
It need to carry out frequently using air to backwash with water and medicine, so that it may ensure the orientation selfreparing tablet of flat ceramic diaphragm filter effect
The method for treating water and device of ceramic film component.
It is described orientation selfreparing flat ceramic membrane module method for treating water be：First on tablet membrane surface coated with
The anatase nano-catalytic type titanium dioxide non-axisymmetrical separation film that grain size is 10-300nm, is then assembled into water by tablet diaphragm
Flat ceramic membrane module is handled, the rotating brushes that can be cleaned at random to tablet membrane surface is provided between tablet diaphragm
Roller, is provided with ultraviolet ray generating apparatus between tablet diaphragm, and adds ozone and hydrogen peroxide, institute in the medium in backwash
Nano-catalytic type titanium dioxide non-axisymmetrical separation film is stated as nano titanium dioxide film or titania-doped film and light can be produced urges
The film of change effect, and pass through high-temperature firing and carrier strong bonded.
One kind of the present invention can be oriented cleaning to tablet diaphragm at random in Water treatment filtration, be not required to frequently be used
Air is backwashed with water and medicine, so that it may ensures the hollow ceramic flat membranes component system device of the filter effect of tablet diaphragm；For
Prevent organic matter and inorganic matter from adsorbing on flat ceramic diaphragm surface, or bacterium in ceramic membrane surface implantation and can be tightly adhered to
The problem of coating layer is formed in film surface, causes diaphragm channel blockage flux to decline, is such as urged on ceramic membrane using nanometer
Change type titanium dioxide non-axisymmetrical separation film, and ultraviolet tube is installed between diaphragm, when under the excitation of ultraviolet light, nanometer two
After titanium oxide absorbs sufficiently high luminous energy, electron hole pair will be produced, in having the medium of water and oxygen, oxygen and hydrone and photoproduction
Electronics or hole, which combine, produces the extremely active Superoxide anion free radical of chemical property（.O2-）And hydroxyl radical free radical（.OH）, and
（H2O2）Deng.So using its Strong oxdiative ability to the organic matter degradation in sewage and the bacterium to being produced around diaphragm and film table
The hardly possible decomposed substance such as face bacterium and gel layer carries out killing decomposition and then is CO by various oxidation operations2And H2Inorganic small point of O etc.
Son, collaboration surface brusher membrane surface carry out friction cleaning residue and and the stifled auxiliary devices of other dirts reach thorough cleaning
The effect of diaphragm.
The present invention can effectively keep higher membrane flux after clearing the pollution off, need not be frequently to plate membrane in some cycles
Piece carries out water backwash, extends the working time and improves the total filter efficiency of equipment.And added in media as well in backwash ozone and
H2O2, easy to ozone and H2O2From internal reversely to carrying out decomposing organic matter and bacterial body in fenestra, and overflow film surface
Ozone and H2O2,The utilization rate that hydroxyl radical free radical further improves ozone can be also produced under the action of ultraviolet, thoroughly to remove
The film internal contamination as caused by bacterial body and organic matter.
The present invention solves nano titanium dioxide film and ultraviolet light and the industry of other oxidants linkage coupling collaboration is big
Type reactor designs hang-up, and does not have application case.
The technical problem to be solved in the present invention is adopted the technical scheme that：A kind of orientation selfreparing ceramic membrane
The processing unit of component includes case housing, plate film assembly and filtering back washing device, and the case housing is for fixed flat
The rigid structure body of plate diaphragm unit and aeration mechanism, the plate film assembly include spaced plate membrane and tablet diaphragm
The upper plug head and lower end cap of one are formed, the plate membrane on piece is provided with the brush roll that can be cleaned to membrane surface, institute
Brush roll both ends to be stated to be arranged on support bracket head, the support bracket can make elevating movement between the tablet diaphragm in case housing,
Photocatalytic titanium dioxide separating layer is provided with the tablet membrane surface, ultraviolet ray generating apparatus is equipped with above the brush roll.
The support bracket lifts motion mode in case housing includes gear drive, chain drive, cylinder-driven, hydraulic pressure
Transmission and screw drive etc., wherein it is preferred that screw drive.
It is described for improve titanium dioxide film catalytic action, in existing water or compressed air rinsing is returned auxiliary using ozone into
Row backwash is cleaned to improve the treatment effeciency of whole system sterilization.
Apparatus of the present invention principle：The titanium dioxide of uniform nano titanium dioxide film and/or doping is coated in tablet membrane surface
Titanium film and other films for producing photocatalysis.Ultraviolet ray generating apparatus produces ultraviolet and excites titanium dioxide to carry out light and urges
Change acts on, and makes to produce hydroxyl radical free radical, hydrogen peroxide, hydroxide ion etc. around tablet diaphragm top layer；It is dirty to membrane surface stifled
Organic matter and bacterium be oriented decomposition and remove, then the frame strip electric brush roller by being arranged on component is in tablet diaphragm watch
Reciprocal mechanical friction is made in face, and tablet membrane surface is scrubbed.Titanium dioxide film is made of uniform nano particle, its
Granular size can adjust between 10-300nm particles, and there are substantial amounts of micropore, its pore size is nanoscale, can also be carried out
Adjusting, therefore this membrane material is in cellular structure, is coated on flat ceramic membrane carrier, forms the two of unsymmetric structure
Titanium oxide layer, its intensity height are very suitable for being cleaned in surface progress mechanical friction with brush roll；Since reverse cleaning is to use
Clear water or clean compressed air, add ozone when carrying out backwash easy to system and are reversed decomposing organic matter from inside in media as well
And bacterial body, and the ozone for overflowing film surface can produce hydroxyl radical free radical etc. under the action of ultraviolet and further improve ozone
Utilization rate and the degraded to the organic difficult degradation thing in fenestra surface, thoroughly to remove the dirt inside film as caused by bacterial body and organic matter
Dye.
The present invention solves erection ultraviolet lamp in membrane module and can make freely automatic problem, and photocatalytic oxidation degradation film
The problem of reactor large industrialized design, while solve easily dirty stifled in plate film assembly operation and clean difficult, cleaning
The problems such as efficiency is low, thoroughly remove film inside and surface, effectively increase the use of plate membrane bioreactor reliability
Efficiency, improves effluent flux, greatly reduces backwash number, saves the time of backwash, adds the working time, significantly
Improve work efficiency.
The present invention has the characteristics that compared with prior art：
1st, the present invention produces the hydroxyl radical free radical of stable Strong oxdiative, hydrogen peroxide, hydroxide ion, ozone using photocatalysis
Cooperative effect, can orient and film surface microbial bacterial and organic matter are carried out to kill decomposition and fast degradation, be prevented from source
The dirt of membrane surface is blocked up, and is cleaned with pilot bruss auxiliary, can effectively reduce fouling membrane, the number of backwashes that substantially reduces and
Frequency.The water flux for the unit interval for greatly improving the effective time of equipment and being significantly increased, water flux is in equal conditions
Lower increase by more than 30%.
2nd, can the pollutant such as timely directional decomposition film surface organic matter, greasy dirt, bacterium at random, keep film surface neatly clean,
Improve filter effect and filter efficiency
3rd, it is not required to frequent shutdown to be backwashed, reduces backwash number, adds the working time and improve work efficiency
4th, relatively stable with ozone is added in medium clear water or compressed air in reverse cleaning, industrialization easy to implement, can aid in increasing
Dirty stifled substance decomposition inside strong titanium oxide film layer, and the ozone for overflowing film surface can produce hydroxyl under the action of ultraviolet
Free radical further improves the utilization rate of ozone.When more importantly ozone overflows film surface, since pressure discharges, ozone gas
Expanded rapidly in film surface, blow while under the synergistic effect of ozone and hydroxyl radical free radical etc., membrane surface and fenestra lean on film
Face partial organic substances are rapidly decomposed.
5th, solve the problems, such as to clean difficult, cleaning efficiency is low etc. in plate film assembly operation, effectively increase plate membrane life
The service life and reliability of the anti-device of thing, improve effluent flux.
6th, transmission device and power set of the present invention need not be placed in water, it is not necessary at resistant material and waterproof
Reason.
Brief description of the drawings
Fig. 1 is the main structure diagram of the present invention,
Fig. 2 is left view figure structure schematic representation of the present invention,
Fig. 3 is the A-A broken section structure diagrams of Fig. 2,
Fig. 4 is the dimensional structure diagram of the present invention.
In figure, 1, elevating mechanism 2, turbine screw 3, gear converter 4, reducer of turbodrill 5, motor 6, transmission
It is bar I 7, drive link II 8, supporting rack 9, brush roll 10, tablet diaphragm 11, plate film assembly 12, support bracket 13, upper
Put inductor 14, lower position sensor 15, guide rail 16, bearing 17, ultraviolet ray generating apparatus 18, drainpipe 19, pneumatics
Machine 20, gas backwash valve 21, strainer valve 22, variable frequency pump 23, clear water reserviors 24, gas backwash tube.
Embodiment
In Fig. 1, Fig. 2, Fig. 3 and Fig. 4, the processing unit of the orientation selfreparing flat ceramic membrane module includes component blocks
Body, plate film assembly 11 and filtering back washing device, the case housing are for fixing plate film assembly and being aerated the firm of mechanism
Property structure body, the plate film assembly include spaced tablet diaphragm 10（Including plate membranes such as organic and inorganic ceramics
Piece）And tablet diaphragm forms integral upper plug head and lower end cap, case housing top sets supporting rack 8, support frame as described above installation
Above plate film assembly 11, support frame as described above is equipped with elevating mechanism 1, and elevating mechanism is respectively provided with turbine screw 2, the liter
Descending mechanism rotation drive turbine screw is equipped with gear converter 3 among being transported about 2, and electricity is equipped between two gear converters
Machine 5 and reducer of turbodrill 4,11 both sides of plate film assembly are equipped with support bracket 12, the turbine screw flange in the bottom head and support bracket
12 are fixedly connected.Action transmission：Motor 5 will be assigned to gear converter 3 by reducer of turbodrill 4 after torque power conversion angle
On, gear converter is connected by drive link II 7 with turbine screw, is connected by drive link I 6 with reducer of turbodrill, is being distributed
Onto elevating mechanism 1, finally make on turbine screw 2, four turbine screws is synchronously moved up and down, drive support bracket to transport up and down
It is dynamic.Height depending on tablet diaphragm is provided with position sensor 13 and lower position sensor 14, upper position sense in case housing
Device and lower position sensor is answered to contact controllable support bracket displacement distance with support bracket.It is all provided between every piece of tablet diaphragm 10
There is brush roll 9, be equipped with ultraviolet ray generating apparatus 17 above brush roll, the brush roll both ends are fixed on support bracket 12, described
Hairbrush size is more than hidden plate membrane piece gap size, and support bracket 12, which moves up and down, consolidates tablet diaphragm 10 with electric brush
It is fixed, and fixed turbine screw one end；The quartz burner outside dimension is less than diaphragm gap size, and plate film assembly is disposed vertically
When, move up and down with feed screw nut and decomposition and kill organic matter and bacterium and scrub tablet diaphragm;Plate film assembly is horizontal
During horizontal placement, tablet diaphragm is scrubbed with feed screw nut's side-to-side movement;The hairbrush rack material cross-sectional shapes can be
The metal materials such as angle steel, square steel, groove steel ＆ aluminum section steel or other hard materials composition.Its decomposing organic matter and sterilization and scrub effect
Rate is higher 30-90% than conventional compression air or clear water recoil, and effect becomes apparent from, and the flux duration is more permanent after cleaning, and water outlet is led to
Amount improves 50%-100%.And need not be stopped and can be cleaned, add the effective time.Scrubbing frequency can root
Factually border is adjusted.The hairbrush using material have the hard hairs such as the various organic materials such as nylon, stainless steel wire, abrasive filaments or
The furs such as Zhu Rong, wool.The hairbrush roller center is entwined for 2-3 bar stainless steel metal wires.Above brush roll is using soft
Material fixes hairbrush, can so fix hairbrush two.The present apparatus can also use center-pole as hard material, such as metal and hard
The rod or the shape of bar that matter plastics etc. are made, such hard brush can be only fixed unilateral.The upper position sensor and lower position
Inductor is mechanical, electronic type or magnetic inductive etc..The tubular ultraviolet lamp can be circular, oval, square, rectangular
Shape, pancake etc. are variously-shaped, and outer cover can suitably increase metal coating using high transparent carriers of transmitance such as quartz glass
Cover avoids glass breakage situation to increase intensity.The ultraviolet lamp is installed on diaphragm centre position using parallel form, and pacifies
Dress is looked on the inside of hairbrush.The ultraviolet lamp uses direct current or AC power, and connector uses waterproofing design.
The brush roll 9 of strip made of useful fur or bristle is arranged at intervals on support bracket, using hairbrush in rule
Tablet diaphragm carries out mechanical reciprocation on 10 surface, scrub is carried out to tablet membrane surface described in case housing be surrounded by
Guide rail 15, is equipped with bearing 16 on support bracket 12, and bearing can move on guide rail, and nut, the component blocks are provided with crossbeam
Body center is fixed with 1 screw, and motor is equipped with the top of component, and motor drives screw mandrel is rotated, and makes to be located on screw
Nut drives support bracket to pump, and tablet diaphragm two sides are cleaned in real time.Eliminate tablet diaphragm watch in time
Face polluter.The brush roll cross sectional shape has circle, ellipse, waist type, square, rectangle etc., and the hairbrush center is
2-3 bar stainless steel metal wires are entwined.
The selfreparing flat ceramic membrane module water process of the present invention that can orient is divided into system filtering and online backwash stage.
The water of filtration stage discharge passes through the drainpipe 18 being connected with plate film assembly and enters in clear water reserviors 23, online backwashing, frequency conversion water
Pump 22 is by the water in clear water reserviors by trap valve 21, air compressor machine 19, gas backwash valve 20 and the gas recoil being connected with plate film assembly
Wash pipe 24 to be backwashed, the nano-TiO2 film of membrane surface or titania-doped film and the film that photocatalysis can be produced,
Ultraviolet is produced in ultraviolet ray generating apparatus photocatalysis is carried out to titanium dioxide, make to produce hydroxyl free around diaphragm top layer
Base, hydrogen peroxide, hydroxide ion；Hydridization titanium dioxide film and other films that can produce photocatalysis can further improve light
The effect of catalysis and angle.The organic matter of surrounding is decomposed and kills the diaphragm attachment such as bacterial body.Recycle hairbrush and
The friction of motion of tablet membrane surface, which is removed, to be adsorbed in pollutants such as the bacterial bodies of film surface, and clear the pollution off effectively to prevent in time
The pollutant that only pollutant is formed in tablet film surface, this stage are constantly producing Fungicidal substance, effectively film surface can avoided to have
Machine thing and organic pollution；Online backwash stage：Reverse cleaning is to add ozone using in clear water or clean compressed air, is easy to
Ozone is reversed decomposing organic matter and bacterial body from inside, and the ozone for overflowing film surface can produce under the action of ultraviolet
Hydroxyl radical free radical further heightens the utilization rate of ozone, thoroughly to remove the film internal contamination as caused by bacterial body and organic matter.
The hairbrush size is more than hidden plate membrane piece gap size, and support bracket 12, which moves up and down, drives brush roll to tablet
Diaphragm 10 is fixed, and fixed turbine screw one end.When plate film assembly is disposed vertically, move up and down with feed screw nut
Scrub tablet diaphragm;When plate film assembly Horizontal type is placed, tablet diaphragm is scrubbed with feed screw nut's side-to-side movement;Institute
It can be that the metal materials such as angle steel, square steel, groove steel ＆ aluminum section steel or other hard materials form to state support frame section cross-sectional shapes,
Its scrub efficiency is higher 30-90% than conventional compression air or clear water recoil, and effect becomes apparent from, and the flux duration is longer after cleaning
Long, effluent flux improves 10%-100%.And filtering need not be stopped can be cleaned, add the effective time.Brush
Washing frequency can be according to being actually adjusted.The present apparatus can substitute traditional gentle recoil cleaning device of water recoil completely.The hair
Brush roll has the furs such as the hard hair Huo such as the various organic materials such as nylon, stainless steel wire, abrasive filaments Zhu Rong, wool using material.Institute
Brush roll is stated to be entwined with for 2-3 bar stainless steel metal wires.The one headband closed loop circle of brush roll, with cleaning hairbrush stent phase
Only steel wire need to be connected when even at center to penetrate in closed loop circle just；Other end strap bolt, need to only install nut when being fixed with stent
It is fixed, and adjustable hairbrush elasticity ensures that hairbrush tension force is tightened.The brush roll, which is fixed on square set, corresponds to plate membrane
Install successively piece center；Above brush roll center-pole fixes brush roll using flexible material, can so fix brush roll
Two.The present apparatus can also use center-pole as hard material, such as the shape of the rod made such as metal and rigid plastics or bar, this
The hard brush of sample can be only fixed unilateral.The upper position sensor and lower position sensor are mechanical, electronic type or magnetic induction
Formula etc..
The case housing is surrounded by guide rail 15, and bearing 16 is equipped with support bracket 12, and bearing can move on guide rail,
Nut is provided with crossbeam, the case housing center is fixed with 1 screw, and motor is equipped with the top of component, and motor drives
Screw is rotated, and is made to be located at the nut on screw and is driven support bracket to pump, and tablet diaphragm two sides is carried out real
Shi Qingxi.
The ultraviolet lamp or other ultraviolet generaters produce ultraviolet, and carry out light to the titanium dioxide of membrane surface
Catalytic action produces the hydroxyl radical free radical of Strong oxdiative, hydrogen peroxide, the organic matter of difficult degradation on hydrogen-oxygen root surface and is oriented
Efficient-decomposition, so as to reduce the indexs such as COD, has the function that to purify water；More mainly utilize hydroxyl radical free radical, peroxidating
Hydrogen, hydroxide ion, the collaboration strong oxidation of ozone are oriented killing and decomposition to the bacterium of film surface and surrounding, can have
Effect avoids or greatly reduces bacterium and the interaction of microbe metabolite metal ion forms layer of gel layer or thin in film surface
Bacterium forms coating layer on the surface of the film in ceramic membrane surface implantation and secure adhesion, effectively prevents because bacterial body and organic matter exist
Diaphragm channel blockage and caused by flux decline problem.Diaphragm can be made to keep larger flux for a long time, so as to reach voluntarily repairing for film
It is multiple.
When ultraviolet is irradiated to titanium dioxide crystal, semiconductive particles absorb light, produce electron-hole pair, are partly leading
Under the electric field action of space charge layer between body and solution interface, light induced electron and hole efficiently separate and move to TiO2
The diverse location of microparticle surfaces, photohole have very strong electronic capability, can capture and be adsorbed in the organic of semiconductor film surface
Electronics in thing or solvent, the material for making not absorbing incident light originally is activated and aoxidized, and electron acceptor can then pass through two
The electronics on titanium oxide microparticle surface and be reduced, photocatalytic redox in aqueous solution is reacted just on titanium dioxide fine particles surface
Carry out, be adsorbed in titanium dioxide fine particles surface moisture aoxidized by photohole after, generate oxidability and reactivity it is extremely strong
Hydroxyl free radical;In addition the dissolved oxygen in light induced electron reductive water, oxidation hydroperoxyl radical and hydrogen peroxide are generated by reacting,
Hydrogen peroxide generation hydroxyl free radical hydroxyl free radicals be oxidant overall reaction activity present in water it is most strong and also to effect
Thing non-selectivity, the metabolism that the effect to cell shows as to its DNA replication dna and cell membrane bring harmful influence, H2O2Also have
Very strong bactericidal effect summaries, the bactericidal effect of generation is non-toxic and killing effect, and can continue to play effect.
Otherwise the distance between quartz burner and plate membrane decompose organic matter in film surface no more than 4 centimetres
Effect dramatic decrease.
Ozone is added in the clear water or clean compressed air of reverse cleaning during online backwash, it is reverse from inside easy to ozone
Carry out decomposing organic matter and bacterial body, and the ozone for overflowing film surface can be produced under the action of ultraviolet hydroxyl radical free radical into
One step improves the utilization rate of ozone and the ability and efficiency of decomposing organic matter, thoroughly to remove as caused by bacterial body and organic matter
Film internal contamination.
When Organic Pollutants form a thickness film on nano titanium dioxide film surface, the incidence of ultraviolet light has been blocked, into
And ultraviolet light is shielded, when finally destroying the interaction of titanium dioxide film and ultraviolet light, brusher can be forced to brush big
The organic matter and inorganic matter of the medium flat ceramic film surface in part, expose titanium dioxide film surface so that titanium dioxide film and
Ultraviolet light produces interaction, and then produces hydroxyl radical free radical, hydrogen peroxide, hydroxide ion etc. and decompose organic contamination rapidly
Thing, reaches the function that directional cleaning repairs film surface.
Claims (9)
- A kind of 1. method for treating water for orienting selfreparing flat ceramic membrane module, it is characterised in that：First on tablet membrane surface The nano-catalytic type titanium dioxide non-axisymmetrical separation film that granular size is 10-300nm is provided with, is then assembled into tablet diaphragm For the flat ceramic membrane module of water process, being provided between the flat diaphragm in flat ceramic membrane module at random can make pottery tablet Porcelain film surface carries out the rotating brushes roller cleaned up and down, and ultraviolet ray generating apparatus is provided between the tablet diaphragm, and anti- Ozone and H are added in medium during flushing2O2, the nano-catalytic type titanium dioxide non-axisymmetrical separation film is nano-titanium dioxide Film or titania-doped film and the film that photocatalysis can be produced, and pass through high-temperature firing and carrier strong bonded.
- A kind of 2. method for treating water for orienting selfreparing flat ceramic membrane module according to claim 1, it is characterised in that： When ultraviolet is irradiated to titanium dioxide crystal, semiconductive particles absorb light, electron-hole pair are produced, in semiconductor and solution Under the electric field action of space charge layer between interface, light induced electron and hole efficiently separate and move to TiO2Microparticle surfaces Diverse location, photohole has very strong electronic capability, can capture the organic matter or solvent for being adsorbed in semiconductor film surface In electronics, the material activation for making not absorb incident light originally and aoxidized, and electron acceptor then can be micro- by titanium dioxide The electronics on grain surface and be reduced, the reaction of photocatalytic redox in aqueous solution just carries out on titanium dioxide fine particles surface, suction Invest titanium dioxide fine particles surface moisture aoxidized by photohole after, generate oxidability and the extremely strong hydrogen-oxygen of reactivity from By base;In addition the dissolved oxygen in light induced electron reductive water, oxidation hydroperoxyl radical and hydrogen peroxide, hydrogen peroxide are generated by reacting Generation hydroxyl free radical, hydroxyl free radical be oxidant overall reaction activity present in water it is most strong and also to agent without choosing Selecting property, the metabolism that the effect to cell shows as to its DNA replication dna and cell membrane bring harmful influence, H2O2Also have very strong Bactericidal effect, summary, the bactericidal effect of generation is non-toxic and killing and degradation, and can continue to play effect.
- A kind of 3. method for treating water for orienting selfreparing flat ceramic membrane module according to claim 1, it is characterised in that： It is described in backwash, ozone and H are added in the clear water or clean compressed air of reverse cleaning2O2, it is anti-from inside easy to ozone To progress decomposing organic matter and bacterial body, and the ozone for overflowing film surface can produce hydroxyl radical free radical under the action of ultraviolet The utilization rate of ozone and the ability of decomposing organic matter and efficiency are further improved, is caused with thoroughly removing by bacterial body and organic matter Film internal contamination.
- A kind of 4. method for treating water for orienting selfreparing flat ceramic membrane module according to claim 1, it is characterised in that： When Organic Pollutants form a thickness film on nano titanium dioxide film surface, the incidence of ultraviolet light is blocked, and then shield Ultraviolet light, when finally destroying the interaction of titanium dioxide film and ultraviolet light, brusher can be forced to brush most of flat The organic matter and inorganic matter of plate ceramic membrane surface, expose titanium dioxide film surface, so that titanium dioxide film and ultraviolet light produce Interaction, and then hydroxyl radical free radical, hydrogen peroxide, hydroxide ion etc. and rapid decomposing organic pollutant are produced, reach fixed The function of film surface is repaired to cleaning.
- A kind of 5. method for treating water for orienting selfreparing flat ceramic membrane module according to claim 1, it is characterised in that： The titanium dioxide on the ultraviolet ray generating apparatus surface carries out photocatalysis and produces the hydroxyl radical free radical of Strong oxdiative, peroxidating Hydrogen, hydroxide ion, ozone, can be oriented efficient-decomposition to the organic matter for the difficult degradation being trapped within tablet film surface, So as to reduce the indexs such as COD, have the function that to purify water；More mainly using hydroxyl radical free radical, hydrogen peroxide, hydroxyl from Son, the collaboration strong oxidation of ozone are oriented killing and decomposition to the bacterium of film surface and surrounding, can effectively avoid or pole It is big to reduce bacterium and the interaction of microbe metabolite metal ion in film surface formation layer of gel layer or bacterium in ceramic membrane Simultaneously secure adhesion forms coating layer to surface implantation on the surface of the film, effectively prevents because bacterial body and organic matter are blocked up in diaphragm passage Plug and caused by flux decline problem, diaphragm can be made to keep larger flux for a long time, so as to reach the self-healing of film.
- 6. a kind of processing unit for orienting selfreparing flat ceramic membrane module, it is characterized in that：It includes case housing, plate membrane group Part（11）And filtering back washing device, the filtering back washing device include variable frequency pump（22）, the strainer valve that is connected with clear water reserviors （21）, air compressor machine（19）, gas backwash valve（20）The gas backwash tube being connected with plate film assembly（24）, the case housing For for fixing tablet diaphragm unit and being aerated the rigid structure body of mechanism, the plate film assembly includes spaced plate membrane Piece（10）, with tablet diaphragm form integral upper plug head and lower end cap, the plate membrane on piece be provided with can to membrane surface into The brush roll of row cleaning（9）, the brush roll both ends are arranged on support bracket（12）On, the support bracket can be in case housing Make elevating movement between tablet diaphragm, be provided with photocatalytic titanium dioxide seperation film on the tablet membrane surface, in the brush roll Side is equipped with ultraviolet ray generating apparatus（17）.
- 7. a kind of processing unit for orienting selfreparing flat ceramic membrane module according to claim 6, it is characterized in that：It is described Ultraviolet ray generating apparatus is quartz burner, and the quartz burner shape is circular, oval, square, rectangle, flat Shape.
- 8. a kind of processing unit for orienting selfreparing flat ceramic membrane module according to claim 6, it is characterized in that：It is described Support bracket（12）Elevating mechanism is fixedly installed on four angles（1）, elevating mechanism epimere and the support being fixed in case housing Nut on frame is meshed, and the motor of supporting rack drives gear steering device that torsional forces is transmitted to elevator belts by reducer of turbodrill It is dynamic to constitute the up and down motion synchronous with support bracket of a platform by four turbine screws, by the hairbrush that is arranged on support bracket and Tablet membrane surface makees reciprocal mechanical friction, and position sensor is respectively arranged with the case housing（13）With lower position Inductor（14）.
- 9. a kind of processing unit for orienting selfreparing flat ceramic membrane module according to claim 6, it is characterized in that：It is ultraviolet The distance between line fluorescent tube and tablet diaphragm do not exceed 4 centimetres.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711344116.7A CN107899426A (en) | 2017-12-15 | 2017-12-15 | A kind of method for treating water and processing unit for orienting selfreparing flat ceramic membrane module |
| PCT/CN2018/121229 WO2019114825A1 (en) | 2017-12-15 | 2018-12-14 | Water treatment device and method for directional self-repairing flat-plate ceramic membrane assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711344116.7A CN107899426A (en) | 2017-12-15 | 2017-12-15 | A kind of method for treating water and processing unit for orienting selfreparing flat ceramic membrane module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107899426A true CN107899426A (en) | 2018-04-13 |
Family
ID=61869023
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711344116.7A Pending CN107899426A (en) | 2017-12-15 | 2017-12-15 | A kind of method for treating water and processing unit for orienting selfreparing flat ceramic membrane module |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN107899426A (en) |
| WO (1) | WO2019114825A1 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108854540A (en) * | 2018-07-06 | 2018-11-23 | 江西博鑫精陶环保科技有限公司 | A kind of large-scale photocatalysis inorganic titanium plate membrane reaction bed for sewage treatment |
| WO2019114825A1 (en) * | 2017-12-15 | 2019-06-20 | 江西博鑫精陶环保科技有限公司 | Water treatment device and method for directional self-repairing flat-plate ceramic membrane assembly |
| CN111470730A (en) * | 2020-04-24 | 2020-07-31 | 广西碧清源环保投资有限公司 | Medical sewage purification and disinfection device |
| CN112387118A (en) * | 2019-08-19 | 2021-02-23 | 北京奥博水处理有限责任公司 | Online self-cleaning ceramic membrane filter |
| CN113750809A (en) * | 2021-03-01 | 2021-12-07 | 上海大学 | Cleaning device and cleaning method of membrane reactor |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01155904A (en) * | 1987-12-10 | 1989-06-19 | Akua Runesansu Gijutsu Kenkyu Kumiai | Liquid separating apparatus |
| JP2009178696A (en) * | 2008-02-01 | 2009-08-13 | Toray Ind Inc | Membrane separation method and membrane separation apparatus |
| CN202968234U (en) * | 2012-11-06 | 2013-06-05 | 太平洋水处理工程有限公司 | Plate type membrane-membrane biochemical reactor based on granular scrubbing technology |
| CN103752175A (en) * | 2014-01-22 | 2014-04-30 | 浙江卓锦工程技术有限公司 | Immersed type on-line cleaning method and device for slab ceramic membrane |
| JP2016022450A (en) * | 2014-07-23 | 2016-02-08 | パナソニックＩｐマネジメント株式会社 | Water treatment apparatus |
| CN106542631A (en) * | 2016-10-25 | 2017-03-29 | 深圳市康源环境纳米科技有限公司 | A kind of system and method for Chemical cleaning ceramic membrane |
| CN106902645A (en) * | 2017-02-15 | 2017-06-30 | 山东工业陶瓷研究设计院有限公司 | A kind of preparation method of the super hydrophilic ceramic membrane with photocatalysis performance |
| CN106984198A (en) * | 2017-04-11 | 2017-07-28 | 江西博鑫精陶环保科技有限公司 | A kind of hollow plate film assembly that can be cleaned at random |
| CN107337326A (en) * | 2017-09-06 | 2017-11-10 | 江西博鑫精陶环保科技有限公司 | A kind of ceramic membrane aeration and pressure-fired ozone film reused water processing method and processing unit |
| CN207694610U (en) * | 2017-12-15 | 2018-08-07 | 江西博鑫精陶环保科技有限公司 | A kind of water treatment facilities of orientation selfreparing flat ceramic membrane module |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105776688A (en) * | 2016-03-29 | 2016-07-20 | 刘牧 | Treatment method of algae-laden water or high-concentration organic waste water |
| CN107899426A (en) * | 2017-12-15 | 2018-04-13 | 江西博鑫精陶环保科技有限公司 | A kind of method for treating water and processing unit for orienting selfreparing flat ceramic membrane module |
-
2017
- 2017-12-15 CN CN201711344116.7A patent/CN107899426A/en active Pending
-
2018
- 2018-12-14 WO PCT/CN2018/121229 patent/WO2019114825A1/en active Application Filing
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01155904A (en) * | 1987-12-10 | 1989-06-19 | Akua Runesansu Gijutsu Kenkyu Kumiai | Liquid separating apparatus |
| JP2009178696A (en) * | 2008-02-01 | 2009-08-13 | Toray Ind Inc | Membrane separation method and membrane separation apparatus |
| CN202968234U (en) * | 2012-11-06 | 2013-06-05 | 太平洋水处理工程有限公司 | Plate type membrane-membrane biochemical reactor based on granular scrubbing technology |
| CN103752175A (en) * | 2014-01-22 | 2014-04-30 | 浙江卓锦工程技术有限公司 | Immersed type on-line cleaning method and device for slab ceramic membrane |
| JP2016022450A (en) * | 2014-07-23 | 2016-02-08 | パナソニックＩｐマネジメント株式会社 | Water treatment apparatus |
| CN106542631A (en) * | 2016-10-25 | 2017-03-29 | 深圳市康源环境纳米科技有限公司 | A kind of system and method for Chemical cleaning ceramic membrane |
| CN106902645A (en) * | 2017-02-15 | 2017-06-30 | 山东工业陶瓷研究设计院有限公司 | A kind of preparation method of the super hydrophilic ceramic membrane with photocatalysis performance |
| CN106984198A (en) * | 2017-04-11 | 2017-07-28 | 江西博鑫精陶环保科技有限公司 | A kind of hollow plate film assembly that can be cleaned at random |
| CN107337326A (en) * | 2017-09-06 | 2017-11-10 | 江西博鑫精陶环保科技有限公司 | A kind of ceramic membrane aeration and pressure-fired ozone film reused water processing method and processing unit |
| CN207694610U (en) * | 2017-12-15 | 2018-08-07 | 江西博鑫精陶环保科技有限公司 | A kind of water treatment facilities of orientation selfreparing flat ceramic membrane module |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019114825A1 (en) * | 2017-12-15 | 2019-06-20 | 江西博鑫精陶环保科技有限公司 | Water treatment device and method for directional self-repairing flat-plate ceramic membrane assembly |
| CN108854540A (en) * | 2018-07-06 | 2018-11-23 | 江西博鑫精陶环保科技有限公司 | A kind of large-scale photocatalysis inorganic titanium plate membrane reaction bed for sewage treatment |
| CN112387118A (en) * | 2019-08-19 | 2021-02-23 | 北京奥博水处理有限责任公司 | Online self-cleaning ceramic membrane filter |
| CN112387118B (en) * | 2019-08-19 | 2023-06-30 | 北京奥博水处理有限责任公司 | On-line self-cleaning ceramic membrane filter |
| CN111470730A (en) * | 2020-04-24 | 2020-07-31 | 广西碧清源环保投资有限公司 | Medical sewage purification and disinfection device |
| CN113750809A (en) * | 2021-03-01 | 2021-12-07 | 上海大学 | Cleaning device and cleaning method of membrane reactor |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2019114825A1 (en) | 2019-06-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107899426A (en) | A kind of method for treating water and processing unit for orienting selfreparing flat ceramic membrane module | |
| CN207694610U (en) | A kind of water treatment facilities of orientation selfreparing flat ceramic membrane module | |
| CN206778199U (en) | A kind of hollow plate film assembly that can be cleaned at random | |
| CN2778371Y (en) | Plasma and light catalyzing combined air purifier device | |
| CN1263686C (en) | Photoelectrocatalysis and oxidation device for treating organic substance in water | |
| CN104909428B (en) | A kind of Ag3PO4/TiO2The device and method of catalyst and low temperature plasma Combined Treatment bio-refractory organic wastewater | |
| KR101928905B1 (en) | Method for purifying contaminated water and facility using the same | |
| CN201626863U (en) | Cascaded catalytic and electrolytic coupling reactor | |
| CN105236628A (en) | Sewage photoelectric synergistic catalytic degradation device | |
| CN104150698A (en) | Device and method for advanced treatment of rural domestic water through M type constructed wetland | |
| CN109621716A (en) | A kind of reactor being applicable in foam-like or netted photocatalyst for degrading organic pollutant | |
| CN100375647C (en) | Air light catalytic purifier of moderate chemical pollution | |
| CN208927931U (en) | A kind of photoelectrocatalysis synergistic air purification device | |
| CN2878361Y (en) | Multidimensional photocatalysis sewage disposal device | |
| CN101381180B (en) | High concentrated organic wastewater treatment method using microwave circulation catalysis | |
| CN108854540A (en) | A kind of large-scale photocatalysis inorganic titanium plate membrane reaction bed for sewage treatment | |
| CN2832800Y (en) | Device for photo-catalytic treatment of organic wastewater induced by needle-board type pulse discharge plasma | |
| CN103936294B (en) | The preparation method of a kind of coated glass sheet and purifying device using photo-catalysis | |
| CN103214133B (en) | Graphene sewage purification combined device and sewage purification method thereof | |
| CN205170458U (en) | Photoelectricity concerted catalysis degradation sewage device | |
| CN111185158B (en) | Composite photoelectric catalytic material and preparation method thereof | |
| CN113213701A (en) | Multifunctional livestock and poultry breeding shed wastewater and sludge filtering treatment composite system | |
| CN108178286A (en) | Three-diemsnional electrode biomembrane cooperates with the apparatus and method of processing stain disease with photoelectricity reoxygenation | |
| CN203269708U (en) | Graphene sewage purification combined device | |
| CN2386044Y (en) | Water quality purifying device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |