CN105692974B - A kind of water purification machine - Google Patents
A kind of water purification machine Download PDFInfo
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- CN105692974B CN105692974B CN201610220378.1A CN201610220378A CN105692974B CN 105692974 B CN105692974 B CN 105692974B CN 201610220378 A CN201610220378 A CN 201610220378A CN 105692974 B CN105692974 B CN 105692974B
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/281—Treatment of water, waste water, or sewage by sorption using inorganic sorbents
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/469—Treatment of water, waste water, or sewage by electrochemical methods by electrochemical separation, e.g. by electro-osmosis, electrodialysis, electrophoresis
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/46104—Devices therefor; Their operating or servicing
- C02F1/46109—Electrodes
- C02F2001/46128—Bipolar electrodes
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/02—Non-contaminated water, e.g. for industrial water supply
- C02F2103/04—Non-contaminated water, e.g. for industrial water supply for obtaining ultra-pure water
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
- C02F2201/007—Modular design
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
- Water Treatment By Sorption (AREA)
Abstract
The present invention relates to a kind of water purification machine, including electrolysis cells and membrane filter unit；Electrolysis cells include first electrode pair, second electrode to, electrolysis power and water tank, and water tank is equipped with the first water inlet and the first water outlet；First and second water penetration membrane made of non-conducting material is equipped between the yin, yang electrode of wherein first and second electrode pair；It is located between the negative electrode of first electrode pair and the positive electrode of second electrode pair filled with blocking porosity sorbing material, the first water outlet on porosity sorbing material；Membrane filter unit is equipped with the second water inlet and the second water outlet, and the first water outlet is connected with the second water inlet；When in use, the positive electrode of the negative electrode of first electrode pair and second electrode pair is contacted directly with the water in water tank, and the positive electrode of first electrode pair, the negative electrode of second electrode pair are only contacted with the infiltration water oozed out in water tank by first and second water penetration membrane.The water purification machine can efficiently remove the bacterium in source water pollutant, thoroughly inactivation source water.
Description
Technical field
The present invention relates to a kind of water purification machines, belong to drinking water terminal water treatment technical field.
Background technology
Currently, water environment is exacerbated, the safe and healthy Frequent Accidents of drinking water quality, seriously jeopardizes the existence of people.Water
The pollutant that pollution is mainly generated by mankind's activity causes, it includes industrial pollution source, agricultural pollution source and domestic pollution source
Three parts.Increasingly the water pollution aggravated forms significant threat to the living safety of the mankind, become human health, economy and
The major obstacles of social sustainable development.It is investigated according to authoritative institution of the world, every year the whole world caused by drinking unhygienic water at least
20000000 people are dead, and therefore, water pollution is referred to as " world's number one killer ".
Domestic and international most of waterworks are so far still using precipitation, filtering, the outmoded process of chlorination, by rivers
Water or underground water are simply processed into drinkable water.However, it spreads unchecked and pours in face of trade effluent, rural sewage and sanitary sewage wildness
Life water source, waterworks can't bear the heavy load helpless.Along with tap water from water factory through water transfer pipe network and high-rise water storage
Case reaches and pollution is added caused by drinking water terminal, and it is health that municipal tap water dare not have been said.Especially, tap water adds
Although chlorine can be killed effectively except germ, can also generate more halogenated hydrocarbon compound simultaneously, the contents of these chlorinated organics into
Increase again, be the significant source that the mankind is caused to suffer from various diseases.Even boiling tap water, above-mentioned residue still drive no
It goes, the carcinogenic substances such as nitrite and chloroform can also increased.That is, even if the safety coefficient of drinking water is also not high
's.
Existing purification of water quality product or drinking water related product, predominantly medium adsorb or will be in water using the filter membrane in various apertures
Nuisance intercepted the physics mode treatment process filtered out.Since activated carbon class sorbing material is easy to saturation failure, and
Various filter membranes are easy to be contaminated by bacterial again or organic matter obstruction or damaged, thus actual conditions be can not be such as Theoretical Design
It is desired to accomplish like that the sufficiently cleaned up of water pollutant.At the source water pollution of getting worse, existing physics mode
Science and engineering skill far can not ensure water quality reaching standard.But physics mode water treatment technology also has an advantage in that, will not exactly generate
Toxic byproduct.Therefore the water quality of traditional RO membrane reverse osmosis filter method production is the safest, but is exchanged for the generation that ensures safety
Valency is then up to the even more converse concentrated waters of 40%-70% and is wasted be discharged into sewer pipe, cause huge water resource and
Waste of energy, and the cost replaced after the blocking of RO films is very high.To reduce or even reach no effuent discharge, water resource is saved,
Various patented technologies are had been developed that so far.It is used or by the pollutant in concentrated water first through molecular sieve for example, converse concentrated water is stored it
Cleaning blowing time or direct through non-return valve is reduced Deng filtering Posterior circle reuse or adjustment waste water ratio or by electrical control
It returns and is diluted in tap water main line or with " the double water of double films " pattern, water quality based water utilization, etc..The common deficiency of these technologies, one
It is not consider from overall system design, simply local single measure, often makes system overall work unbalance；The second is do not consider
From starting with into water condition for membrane component is improved, mitigate the live load of membrane component, it may be said that it is " palliative ", so so far
The product that yet there are no real utility goods comes out.
In comparison, it is a kind of excellent height although Water Treatment technique has cheap many advantages, such as being simple and efficient
Grade oxidation technology, but electrochemical treatments should not handle occasion list in itself there are a series of problems in civilian terminal Drinking Water
It solely uses, so far there is not yet in daily life water treatment field and closes extensive use.To find out its cause, one is Water Treatment technique
The enough reaction time is needed, and in daily life water occasion, from start, to water outlet, only several seconds, pollutant exist water purifier
The residence time is too short in water purifier, has little time to complete related chemistry reaction treatment at all；The second is have can for Water Treatment technique
It can be with certain toxic side effect.For example, although chemical oxidation reaction technique can potent inactivation of bacterial, depth degradation organic matter,
Go water removal in various harmful substances, but all kinds of Strong oxdiative factors that chemical oxidization method is generated be substantially non-selectivity, can not
Control, if dealing with the novel substance not having in most probably generating source water improperly, jeopardize safe drinking water instead；Just because of this, in the people
Many daily life drink water purifyings handle occasion, can be described as the application of Water Treatment technique double cautious.
However, in the unprecedented serious pollution of water environment, conventional physical water purifier today unable to do what one wishes, examine closely again
The possibility that concern Water Treatment is applied in Drinking Water purified treatment, innovative development one kind can efficiently remove dirty in water
Object non-toxic by-products, highly safe chemical oxidation method for purifying water and device again are contaminated, by physical absorption-filtration treatment technique
It is combined with electrochemical treatments technique, displays one's respective advantages, learn from other's strong points to offset one's weaknesses, it is ensured that people's life drinking water quality safety has very
Important realistic meaning.
Although presently commercially available electrolytic ion water dispenser water treatment system substantially can be considered physical absorption-filtration treatment work
Skill is combined with electrochemical treatments technique, but its system structure is the preposition processing of physical absorption-membrane filtration and electrolysis water unit
The combination of postposition.Regrettably, for purification of water quality, this " putting the cart before the horse " frame mode does not overcome simple physical to inhale
The deficiency of attached-membrane filtration processing capacity such as is commonly used for the activated carbon of pre-treatment, the nonpolar suction of porosity high-specific surface area
Attached characteristic has preferable deodorization, decoloration, removal chlorine residue, filtering suspended matter and filters out the organic matter that molecular weight is more than 3000
Effect.However, inadequate to the protection of filter membrane, the absorption of some organic matters cannot decompose on filter membrane causes film to fail, activity
Charcoal saturation failure or even becomes the hotbed of bacteria breed so as to further block filter membrane, etc. easily by germ contamination.Before
It handles unqualified so that reverse osmosis membrane or ultrafiltration membrane are stained significantly and broken invalid.Postposition electrochemical treatments technique also can band
Carry out many new problems, such as cathodic reduction can generate nitrite, heavy metal ion and cannot filter out and cause heavy metals exceeding standard
Deng it is not up to standard to ultimately result in water purifier.
The content of the invention
The invention solves technical problems to be：There is provided it is a kind of can reduce water hardness, degradation Organic substance in water, inactivation
Toxic byproduct and the water purification machine of reliable operation service life length are not generated in water while bacterium.
In order to solve the above-mentioned technical problem, technical solution proposed by the present invention is：A kind of water purification machine, including electrolysis cells and
Membrane filter unit；The electrolysis cells include paired electrode, electrolysis power and the water tank of negative and positive, the water tank be equipped with first into
The mouth of a river and the first water outlet；The paired electrode of the negative and positive has two pairs, is first electrode pair and second electrode pair respectively, and described
Between the yin, yang electrode of one electrode pair be equipped with the first water penetration membrane made of non-conducting material, the moon of the second electrode pair,
The second water penetration membrane made of non-conducting material is equipped between positive electrode, the first water penetration membrane is by first electrode pair
Positive electrode is separated with water tank, and the second water penetration membrane separates the negative electrode of second electrode pair with water tank, first electricity
Extremely to negative electrode and the positive electrode of second electrode pair be respectively positioned in water tank；The negative electrode and second electrode of the first electrode pair
To positive electrode between filled with blocking porosity sorbing material, first water outlet is located on porosity sorbing material；
The membrane filter unit is equipped with the second water inlet and the second water outlet, and first water outlet is connected with the second water inlet；Make
Used time, the negative electrode of the first electrode pair and the positive electrode of second electrode pair are contacted directly with the water in water tank, and described
The positive electrode of one electrode pair is only contacted with the infiltration water oozed out in water tank by the first water penetration membrane, the second electrode
To negative electrode only in water tank by the second water penetration membrane ooze out infiltration water contact.
The preferred micro-filtrate membrane filtration unit of heretofore described membrane filter unit, ultrafiltration membrance filter unit or nanofiltration membrane list
Member.
It should be noted that the present invention handle to seeming city for tap water, as described in the background art, present water is dirty
Getting worse is contaminated, city has become a kind of micro-polluted water for tap water（Special contamination water in other words）, pollution sources include ring
It pollutes in border（Such as pesticide residue）, the pollution that generates of chlorination and pipeline secondary pollution etc..
The working mechanism and advantageous effect of technical solution disclosed in the invention described above are presented below.
The water tank is using first, second water penetration membrane as boundary：The first electrode pair set up separately the first water penetration every
Film both sides, the negative electrode of the first electrode pair is in water tank, and its positive electrode is outside water tank；The second electrode is to setting up separately
Second water penetration membrane both sides, the positive electrode of the second electrode pair is in water tank, and its negative electrode is outside water tank.Certainly, such as
Water tank is internally provided with cavity, and first or second water penetration membrane is arranged on cavity housing, then the second electricity being arranged in cavity
Extremely to negative electrode or the positive electrode of first electrode pair be considered as and be arranged on outside water tank.
First by taking first electrode pair as an example, the positive electrode of first electrode pair only with penetrated through in water tank the first water penetration every
The infiltration water contact of film（Positive electrode is not contacted directly with the water of water tank）Anode direct oxidation reaction is transferred to outside water tank and is carried out,
Reaction product of anode is drained outside container, will not return again to pollution water quality in container.Meanwhile the negative pollutant in water is for example remaining
Chlorine, various harmful anions etc., are acted on by anode voltage, can also penetrate the first water penetration membrane, migration in water out of container
With infiltration water discharge outside to water tank.
The structure of the first water penetration membrane shows as the water passage region of countless permeable micropores on microcosmic in the present invention,
Since the first water penetration membrane is made of non-conductive material, thus voltage drop is generated in the water passage of permeable micropore, i.e.,
When the decomposition voltage of electrolysis power is applied to external electrode（Positive electrode）With interior electrode（Negative electrode）Afterwards, following voltage landing is formed
Relation：The outer positive electrode of first water penetration membrane（+）The voltage drop U1 of moisture film between → positive electrode and the first water penetration membrane → thoroughly
The anti-generation of water resistance between negative electrode in the water penetration membrane of the pressure drop U2 that aqueous membrane direct impedance generates → first and water tank
Voltage drop U3.
And infiltration water of the positive electrode of first electrode pair only with the first water penetration membrane contacts, the positive electrode of first electrode pair
Close to the first water penetration membrane, liberation of hydrogen, the gas of oxygen evolution reaction generation during such water electrolysis easily enter permeable micropore
Bubble is generated in water passage and in the water in water passage, in the water passage of the permeable micropore of the first water penetration membrane
Narrow and small environment in bubble be easy to broken so as to generate localized hyperthermia's high pressure, and then efficient water body is inspired with minimum voltage
Plasma discharge generates hydroxyl free base class transient state in the first water penetration membrane and in the first water penetration membrane neighboring area water
The plasma of oxidation factor（Plasma is the 4th state of substance that same level is in solid-state, liquid, gaseous state, low temperature etc.
Gas ions are rich in electronics, ion, free radical and excited state molecule, and electronics has very high reactivity with ion, can make usually
Under the conditions of be difficult to or chemical reaction that speed is difficult becomes very rapid, discharged generation plasma group by water body, can be with
Greatly improve the degradation efficiency of pollutant in water body）, the oxidisability of the hydroxyl radical free radical transient state oxidation factor is extremely strong（More than smelly
Oxygen）, while existence time in water is again extremely short, therefore can be after generation rapidly to Organic substance in water（Such as bacterium）Deng pollution
Object is reduced directly to water after forming extremely strong degradation and itself rapid oxidation, does not stay any toxic side effect.
Second electrode pair is similar with first electrode pair, but the direction of voltage landing is opposite.Therefore likewise, the in the present invention
The negative electrode of two electrode pairs contacts the cell reaction for being to ensure that second electrode pair with the infiltration water of the second water penetration membrane
It is normally carried out, and great amount of hydroxy group radical type transient state oxidation factor can be generated.
Meanwhile under the action of second electrode pair, metal cations such as calcium ions and magnesium ions, ferrimanganic in the endogenous water of water tank etc. are held
It is continuous to be precipitated, discharged through the second water penetration membrane so that the hardness of Water in Water Tanks continues to decline, in the water of source harmful heavy metal etc. by
Step removal；And the direct oxidation based on the anode of second electrode pair in water tank acts on, and the microorganism in the water of source is inactivated, organic
Object is degraded.
In addition, the negative electrode of first electrode pair and the positive electrode of second electrode pair the 3rd group of electrode pair of equivalent composition（Yin, yang
Without membrane between electrode）, the microorganism in the water of source is made to be inactivated under its electric field action, can more preferably play the purification of electrochemistry
Effect.
In the use of the present invention, source water carries out electrochemical treatments through the electrolysis cells first, by calcium ions and magnesium ions in the water of source,
Ferrimanganic and the chlorate of strong oxidizing property, hypochlorite are discharged from water tank（Reduce the hardness of source water）, and pass through hydroxyl certainly
Source water is sterilized by base class transient state oxidation factor and organic matter degradation, then slightly adsorbed through the progress of porosity sorbing material
Filter, the last further physics interception of membrane filtration processing unit filter out residual harmful substance in water（Toxic byproduct is only a small amount of
H2O2And O3, H2O2And O3Half life of decomposition be usually no more than half an hour, filter assemblies that not only will not be to rear end or suction
Attached component generates harmful effect, and can carry out sterilizing to filter component or absorbent module）, so as to obtain the net of depth
Change water.The present invention uses the combination of " preposition electrochemical treatments and physical absorption-membrane filtration postpositive disposal ", so as to overcome background
The various defects of the combination of " the preposition processing of physical absorption-membrane filtration and electrolysis water unit postpositive disposal " in technology（It is such as existing
There are the easy broken invalid of the filter membrane mentioned in technology, heavy metals exceeding standard etc.）, obtain required pure water.
Heretofore described membrane filter unit is pure physical treatment mode, it is ensured that effluent quality especially Biological indicators
Tight security, and basic handling is clean before the membrane filter unit is entered for the pollutant in source water of the present invention, because
The live load of this membrane filter unit mitigates significantly, and correspondingly, the service life of the membrane filter unit greatly prolongs, from
And achieve the effect that take stopgap measures and effect a permanent cure（Service life is long and the purified water water quality that generates is good）.
Since first, second water penetration membrane obtains the clamping protection of paired electrode in the present invention, experiment proves, first,
Second water penetration membrane will not be scrapped in use because of premature failures such as damaged or obstructions, remain reliable and stable work
State；Even if it is also scum loosely occasionally to have fouling in first, second water penetration membrane and electrode surface, in electrolytic process
The appropriate decomposition voltage polarity for switching the paired electrode for being applied to first, second water penetration membrane both sides, it is possible to easily
Remove deposition fouling of the anions and canons precipitate in electrode and water penetration membrane surface.The present invention is by the pole of two electrode pairs
Property when periodically swinging to, voltage class can not also be identical, so that first, second water penetration membrane alternating degradation of organic substances, row
Go out harmful heavy metal ions or the chlorine residue of discharge residual, various harmful anions etc., so can not only further improve purification
The quality of water gives full play to the catharsis of electrochemistry, and can protect first, second water penetration membrane, extends its use
Service life.
In order to further improve plasma discharge characteristic in film, the first water penetration membrane and the second water penetration can be made
Membrane all uses hydrophilic membrane.Hydrophilic film surface can form hydrogen bond ordered structure with water, can improve the leaching of fenestra water-filling
Profit state, the plasma discharge process in film that is conducive to persistently carry out.
Preferably, the pore size of the permeable micropore of the first water penetration membrane and shape are essentially identical, and described second
The pore size and shape of the permeable micropore of water penetration membrane are also essentially identical.
Better hydrophily can be made it have by being modified to membrane, and the aperture size of micropore is uniform, tool
Well known physically or chemically technology, such as shaping of fenestra Regularization, optically catalytic TiO 2, pole can be used in modifies technique
Narrow high-voltage pulse is to film pretreatment, etc..Its meaning is not only in that the raising of efficiency, also effectively prevents because current density is excessive
Easily lead to the deterioration of biological index.
In the present invention, if the aperture of the permeable micropore of first, second water penetration membrane is excessive（I.e. water passage is excessive）,
It is equivalent to and in a disguised form increases electrode diameter（Electrode curvature radius）Discharge in water starting excitation voltage is caused to increase, and makes generation
Bubble volume, which becomes larger, reduces the catalytic specific surface area of gas-liquid two-phase.And if first, second water penetration membrane it is permeable
The aperture of micropore is too small（I.e. water passage is too small）, it can make that electrolysis aerogenesis can not occur or gas producing efficiency is extremely low, it is small to arrive
Aerogenesis can be electrolysed to a certain degree cannot be introduced into permeable micropore（Also bubble can not just be generated）, so that plasma discharge can not be normal
It carries out.Therefore, by the repetition test of inventor, determining the pore diameter range of the permeable micropore of first, second water penetration membrane is
Less than 2 millimeters and more than 1 nanometer, the aperture size of the permeable micropore of the first, second water penetration membrane is between each other each other
Difference is less than 20%.
Being further improved for above-mentioned technical proposal be：The outside of the water tank is equipped with the housing for surrounding water tank lower part, described
Enclosure space, the positive electricity of the first electrode pair are formed between housing, water tank, the first water penetration membrane and the second water penetration membrane
The negative electrode of pole and second electrode pair is located in the enclosure space, and described be open forms the first water inlet of the water tank；It is described
The bottom of housing is equipped with the first sewage draining exit.
In this way, enclosure space is injected for water supply water from the first water inlet by city, and by being arranged under tap water pressure
First, second water penetration membrane between housing and water tank enters water tank.Various pollutants in the water of source are permeable by first, second
Property membrane barrier filtering until water tank fills water after, opening the first sewage draining exit simultaneously keeps appropriate aperture, and starts electrolytic process.
Water intermediate ion in water tank（Both include original ion being dissolved in the water of source, also include the ion product to water electrolysis）Selectivity
Ground, which is appeared on the inside of first, second water penetration membrane to outside, enters enclosure space, and with first, second water penetration membrane
Water outlet is permeated, is discharged from the first sewage draining exit of bottom, so that the water quality in water tank is continuously available purification.In order to improve water inlet effect
Rate can add booster pump between the water inlet of the water tank and city are for running water pipe.
In addition, in electrolytic process, hydrogen and oxygen are generated between the both sides anodic-cathodic of first, second water penetration membrane
It escapes up, generates certain air supporting flocculation, water intermediate ion between anode and cathode and first, second water penetration membrane is accelerated to analyse
Go out to wait suspended matters aggregation agglomerating and precipitate, deposit buildup is in the bottom of water tank.Therefore, the bottom of water tank can be set in centainly oblique
Slope taper, the water tank bottom are equipped with the second sewage draining exit, and such flocculate progressively slides to the second sewage draining exit heel row of bottom centre
Go out.Depending on flocculate deposition, can periodically manual unlocking slag-drip opening cock flocculate is discharged.
Preferably, the electrolysis power is that the direct current pulse power source of high level narrow spaces or forward voltage level are more than reversely
The component pulse-changing power of voltage level.Electrolytic efficiency can so be improved.
Preferably, the uniformity of the shape uniformity of membrane micropore and pore size influences very plasma discharge in film
Greatly, thus the present invention preferably when in use, be respectively formed plasma in each permeable micropore of the first, second water penetration membrane
Electric discharge.So when using electric discharge, the direction of an electric field between anodic-cathodic can penetrate the plasma group of each permeable micropore, will etc.
Ionic discharge is directed in all water passages of water penetration membrane and carries out, so as to minimum voltage can excite water-outlet body etc. from
Electron discharge generates the transient state oxidation factor of a large amount of great sterilizing abilities in water, can greatly improve the drop of pollutant in water body
Efficiency is solved, preferably carries out sterilizing etc..
Porous adsorbing material mainly plays suction-operated in the present invention, since porous adsorbing material is protected be subject to anode and cathode electrolysis
Shield has certain self-cleaning palingenesis；Especially activated carbon filled layer or multilayer activated carbon are preferably used in porous adsorbing material
It in the case that fiber is stacked block, is influenced by electrolytic flocculation and the hardened situation of fouling is alleviated significantly, only need to periodically take out cleaning, you can
It reuses, service life greatly prolongs.
Description of the drawings
The invention will be further described below in conjunction with the accompanying drawings.
Fig. 1 is the structure diagram of the embodiment of the present invention one.
Fig. 2 is the structure diagram of the embodiment of the present invention two.
Specific embodiment
Embodiment one
The water purification machine of the present embodiment is as shown in Figure 1, including electrolysis cells and membrane filter unit 9；Electrolysis cells include two pairs
The paired electrode pair of negative and positive, electrolysis power 2 and water tank 1, electrolysis power（It is not shown in figure）It powers for electrode pair, is set on water tank 1
There are the first water inlet 1-1 and the first water outlet 1-2；For two pairs of electrodes to being first electrode pair and second electrode pair respectively, first is electric
Extremely to yin, yang electrode 3-1,3-2 between be equipped with the first water penetration membrane 5-1 made of non-conducting material, second electrode pair
The second water penetration membrane 5-2 made of non-conducting material is equipped between yin, yang electrode 4-1,4-2, is divided on the opposite side wall of water tank 1
Do not offer first window and the second window, the first water penetration membrane 5-1, which completely covers, to be laid on first window, the second water penetration every
Film 5-2, which completely covers, to be laid on the second window；The positive electrode 3-2 and negative electrode 3-1 of first electrode pair are respectively arranged on the outside of water tank 1
And inside, the positive electrode 4-2 and negative electrode 4-1 of second electrode pair are respectively arranged on the inside and outside of water tank 1.
It is filled in the present embodiment in water tank 1 between the negative electrode 3-1 of first electrode pair and the positive electrode 4-2 of second electrode pair
There is porosity sorbing material 30, the first water outlet 1-2 is located at the center of porosity sorbing material 30.Porosity sorbing material
30 preferred activated carbon filled layers or multilayer activated carbon fibre superposition block.
In the present embodiment membrane filter unit 9 be equipped with the second water inlet and the second water outlet, the first water outlet 1-2 and second into
The mouth of a river connects；Booster pump 8 is equipped between first water outlet 1-2 and the second water inlet；When in use, the water in water tank 1 passes through
One water penetration membrane 5-1 and the second water penetration membrane 5-2 exudations, and in the first water penetration membrane 5-1 and the sun of first electrode pair
Water membrane is clamped between electrode 3-2（Certainly infiltration water and the first water penetration membrane 5-1, the positive electrode 3-2 of first electrode pair
Between may also be that point contact or face contact）, between the second water penetration membrane 5-2 and the negative electrode 4-1 of second electrode pair
It is clamped with water membrane（Similary infiltration water and the second water penetration membrane 5-2, second electrode pair negative electrode 4-1 between may also
It is contacted for point contact or face）.
Micro-filtrate membrane filtration unit, ultrafiltration membrance filter unit or NF membrane mistake may be employed in membrane filter unit 9 in the present embodiment
Filter traditional membrane filter units such as unit.
The direct current pulse power source of the preferred high level narrow spaces of electrolysis power or forward voltage level are more than anti-in the present embodiment
To the component pulse-changing power of voltage level, electrolytic efficiency can be so improved.
The pore size of the permeable micropore of the first water penetration membrane 5-1 and shape are essentially identical in the present embodiment, and second thoroughly
The pore size and shape of the permeable micropore of aqueous membrane 5-2 are also essentially identical；Further, the first water penetration membrane 5-1 and
The second preferably permeable apertures of water penetration membrane 5-2 are respectively less than equal to 2 millimeters and more than or equal to 1 nanometer of membranes, and first, the
Difference is less than 20% to the aperture size of the permeable micropore of two water penetration membrane 5-1,5-2 each other between each other, can improve water penetration
The reaction of water body low pressure cold plasma discharge is formed in membrane in micropore, more plasma groups are obtained, so as to improve bactericidal effect.
First water penetration membrane 5-1 of the uniform pore diameter of micropore and the second water penetration membrane 5-2 in order to obtain, may be employed
Well known physically or chemically technology is modified existing ultrafiltration membrane, microfiltration membranes or NF membrane, such as fenestra Regularization
Shaping, optically catalytic TiO 2, extremely narrow high-voltage pulse are to film pretreatment, etc..In the present embodiment the first water penetration membrane 5-1 and
Second water penetration membrane 5-2 preferably uses membrane made from following method of modifying：
1）By nanometer titanium dioxide titanium solution in the ultraviolet case internal irradiation that temperature is 40 DEG C -60 DEG C 10-30 minutes；
2）Film liquid is formed by the raw material of following mass ratio：
PVDF：20%-30%
Pore-foaming agent：2-5%
Step 1）Nano-titanium dioxide after irradiation：2%-4%
Surfactant：3%-5%
Solvent：70%-80%；
3）The film liquid configured is passed through into supersonic oscillations 20-40 minutes；
4）Liquid film is spread to knifing machine, liquid film is stood to 10-30 seconds in air, is then immersed in solidification liquid and is frozen into
Aqueous membrane；
5）The membrane impregnates 10-40 minutes in concentration is 10% alcohol water blend, is then placed in deionized water and floats
It washes；
6）The membrane is placed in be applied in the pure water tank of 10kv DC pulse high voltages processing 1 it is small when.
When in use, source water is first injected water tank 1 by the water purification machine of the present embodiment from the first water inlet 1-1, then in water tank 1
In to source water carry out electrolysis pretreatment, then thick adsorption filtration is carried out through porosity sorbing material 30, most afterwards through membrane filter unit 9
Water after electrolysis is filtered, obtains the drinking water of deep purifying.
Embodiment two
The present embodiment is the improvement on the basis of embodiment one, with implement one the difference is that：As shown in Fig. 2, water
The outside of case 1 is equipped with the housing 20 for surrounding 1 lower part of water tank, housing 20, water tank 1, the first water penetration membrane 5-1 and the second water penetration
Enclosure space is formed between membrane 5-2, the positive electrode 3-2 of first electrode pair and the negative electrode 4-1 of second electrode pair are located at the envelope
It closes in space, housing 20 is equipped with opening 20-1, and opening 20-1 forms the first water inlet 1-1 of water tank 1；The bottom of housing 1
Equipped with the first sewage draining exit 20-2.The enclosure space is injected for water supply water from water inlet 1-1 by city, and leads under tap water pressure
It crosses and enters water tank 1 arranged on the water penetration membrane 5-1 between housing 20 and water tank 1.
In order to improve water inlet efficiency, can booster pump be set between the water inlet of water tank 1 and city are for running water pipe.
The present embodiment can also make following improve：1）Taper is made in the bottom of water tank 1, is equipped with to discharge on bottom
Second sewage draining exit 1-3 of precipitation flocks in water tank 1.
2）For more preferable more generation hydroxyl radical free radical plasma groups, when in use, the first water penetration membrane 5-1 and the
Plasma discharge is respectively formed in each permeable micropore of two water penetration membrane 5-2.
3）The water penetration membrane of first water penetration membrane 5-1 and the second water penetration membrane 5-2 preferred hydrophilics,
The present invention is not limited to the specific technical solution described in above-described embodiment, and in addition to the implementation, the present invention may be used also
To there is an other embodiment, all technical solutions formed using equivalent substitution, be the present invention claims protection domain.
Claims (9)
1. a kind of water purification machine, including electrolysis cells and membrane filter unit；It is characterized in that：It is paired that the electrolysis cells include negative and positive
Electrode, electrolysis power and water tank, the water tank be equipped with the first water inlet and the first water outlet；The paired electrode of the negative and positive
There are two pairs, be first electrode pair and second electrode pair respectively, non-conductive material is equipped between the yin, yang electrode of the first electrode pair
First water penetration membrane made of material is equipped with second made of non-conducting material between the yin, yang electrode of the second electrode pair
Water penetration membrane, the first water penetration membrane separate the positive electrode of first electrode pair with water tank, second water penetration every
Film separates the negative electrode of second electrode pair with water tank, and the negative electrode of the first electrode pair and the positive electrode of second electrode pair are equal
In water tank；It is inhaled between the negative electrode of the first electrode pair and the positive electrode of second electrode pair filled with blocking porosity
Enclosure material, first water outlet are located on porosity sorbing material；The membrane filter unit is equipped with the second water inlet and second
Water outlet, first water outlet are connected with the second water inlet；When in use, the negative electrode of the first electrode pair and the second electricity
Extremely to positive electrode contacted directly with the water in water tank, the positive electrode of the first electrode pair is only with passing through described in water tank
The infiltration water contact of one water penetration membrane exudation, the negative electrode of the second electrode pair only with it is permeable by described second in water tank
Property membrane exudation infiltration water contact.
2. water purification machine according to claim 1, it is characterised in that：The outside of the water tank is equipped with the shell for surrounding water tank lower part
Body forms the positive electricity for surrounding first electrode pair between the housing, water tank, the first water penetration membrane and the second water penetration membrane
Pole, second electrode pair negative electrode enclosure space, the housing is equipped with opening, and the opening forms the first of the water tank
Water inlet；The bottom of the housing is equipped with the first sewage draining exit.
3. water purification machine according to claim 1 or 2, it is characterised in that：The permeable micropore of the first water penetration membrane
Pore size and shape are essentially identical, the pore size and shape of the permeable micropore of the second water penetration membrane also basic phase
Together.
4. water purification machine according to claim 1 or 2, it is characterised in that：The first, second water penetration membrane is hydrophilic
The water penetration membrane of property.
5. water purification machine according to claim 1 or 2, it is characterised in that：The membrane filter unit be micro-filtrate membrane filtration unit,
Ultrafiltration membrance filter unit or nanofiltration membrane unit.
6. water purification machine according to claim 1 or 2, it is characterised in that：The electrolysis power is the straight of high level narrow spaces
It flows the pulse power or forward voltage level is more than the component pulse-changing power of backward voltage level.
7. water purification machine according to claim 1 or 2, it is characterised in that：The porosity sorbing material is activated carbon filling
Layer or multilayer activated carbon fibre superposition block.
8. water purification machine according to claim 1 or 2, it is characterised in that：The water tank bottom is equipped with the second sewage draining exit.
9. water purification machine according to claim 1 or 2, it is characterised in that：When in use, the first water penetration membrane and
Plasma discharge is respectively formed in each permeable micropore of two water penetration membranes.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510603901 | 2015-09-20 | ||
| CN2015106039014 | 2015-09-20 |
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| CN105692974A CN105692974A (en) | 2016-06-22 |
| CN105692974B true CN105692974B (en) | 2018-06-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610220378.1A Active CN105692974B (en) | 2015-09-20 | 2016-04-08 | A kind of water purification machine |
| CN201620297188.5U Withdrawn - After Issue CN205528172U (en) | 2015-09-20 | 2016-04-08 | Water purifier |
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| Application Number | Title | Priority Date | Filing Date |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105692974B (en) * | 2015-09-20 | 2018-06-05 | 大连双迪创新科技研究院有限公司 | A kind of water purification machine |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101921032A (en) * | 2010-09-10 | 2010-12-22 | 北京大学 | Electrolytic deposition-membrane separation combined treatment device for electrolytic zinc rinse wastewater |
| CN203807281U (en) * | 2014-05-09 | 2014-09-03 | 张志雄 | Spline flange connector type seawater desalting equipment |
| CN104787938A (en) * | 2015-03-31 | 2015-07-22 | 宁波方太厨具有限公司 | Water ionizer capable of effectively removing heavy metals |
| CN205528172U (en) * | 2015-09-20 | 2016-08-31 | 大连双迪创新科技研究院有限公司 | Water purifier |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8470143B2 (en) * | 2010-01-26 | 2013-06-25 | Daniel Moroni Tucker | Advanced chlorine generating system |
| KR101351223B1 (en) * | 2011-09-28 | 2014-01-14 | 한국전력공사 | Recovery process of metal ions from the seawater |
| US20140217022A1 (en) * | 2013-02-01 | 2014-08-07 | Masdar Institute Of Science And Technology | Novel in-situ membrane cleaning using periodic electrolysis |
-
2016
- 2016-04-08 CN CN201610220378.1A patent/CN105692974B/en active Active
- 2016-04-08 CN CN201620297188.5U patent/CN205528172U/en not_active Withdrawn - After Issue
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101921032A (en) * | 2010-09-10 | 2010-12-22 | 北京大学 | Electrolytic deposition-membrane separation combined treatment device for electrolytic zinc rinse wastewater |
| CN203807281U (en) * | 2014-05-09 | 2014-09-03 | 张志雄 | Spline flange connector type seawater desalting equipment |
| CN104787938A (en) * | 2015-03-31 | 2015-07-22 | 宁波方太厨具有限公司 | Water ionizer capable of effectively removing heavy metals |
| CN205528172U (en) * | 2015-09-20 | 2016-08-31 | 大连双迪创新科技研究院有限公司 | Water purifier |
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| CN105692974A (en) | 2016-06-22 |
| CN205528172U (en) | 2016-08-31 |
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