CN105692815B - Central water purifier - Google Patents
Central water purifier Download PDFInfo
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- CN105692815B CN105692815B CN201610224154.8A CN201610224154A CN105692815B CN 105692815 B CN105692815 B CN 105692815B CN 201610224154 A CN201610224154 A CN 201610224154A CN 105692815 B CN105692815 B CN 105692815B
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- water penetration
- penetration membrane
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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
- C02F1/463—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrocoagulation
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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
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/281—Treatment of water, waste water, or sewage by sorption using inorganic sorbents
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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
- C02F2201/46—Apparatus for electrochemical processes
- C02F2201/461—Electrolysis apparatus
- C02F2201/46105—Details relating to the electrolytic devices
-
- 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
- C02F2201/46—Apparatus for electrochemical processes
- C02F2201/461—Electrolysis apparatus
- C02F2201/46105—Details relating to the electrolytic devices
- C02F2201/46115—Electrolytic cell with membranes or diaphragms
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
The present invention relates to a kind of central water purifier, which includes pressure resistant vessel, paired negative electrode and positive electrode, electrolysis power, and the pressure resistant vessel includes the insulated enclosure end cap at the metal cylinder and both ends being vertically arranged;Insulating spacer pipe is equipped in the pressure resistant vessel, is provided with several permeable holes in the middle part of the insulating spacer pipe, the negative electrode is arranged on the bottom of insulating spacer pipe;The insulating spacer pipe is outwards enclosed with the first water penetration membrane and the second water penetration membrane successively, and physical absorption filter core is filled between the first water penetration membrane and the second water penetration membrane;End cap at the top of the metal cylinder is equipped with sewage outlet, and the end cap of the metal cylinder bottom is equipped with water inlet, water outlet is equipped between the second water penetration membrane and metal cylinder;The metal cylinder is electrically connected with negative electrode.The water purifier can prevent the pollutions such as the microorganism of household drinking water pipe-line system and viral bacterium, and can improve the hardness for reducing water.
Description
Technical field
The present invention relates to a kind of central water purifiers, are specially that one kind is mounted on middle-size and small-size user(Such as family, villa etc.)
It registers one's residence the quality purifying device for water of total water inlet end, belongs to the water quality advanced processing technology field of Drinking Water.
Background technology
Currently, water environment is exacerbated, but most of waterworks are still disappeared so far using precipitation, filtering, chlorination both at home and abroad
The outmoded process of poison, river or underground water are simply processed.It is however, dirty in face of trade effluent, rural sewage and life
Water wildness spreads unchecked the primary pollution for pouring in life water source and causing water source, and waterworks can't bear the heavy load helpless.
Cholorination is that China continues to use the disinfection of tap water technology still used for many years and generally, for micro- life in inactivation water
Object, viral bacterium etc. play a key effect.It should in water when Gu Guojiabiaozhunyaoqiushi reaches Drinking Water for Residents terminal for tap water
Keep suitable chlorine residue.This is not only to supply tap water through the secondary pollution in water transfer pipe network transmission process for reduction city and prevent
Only city is reached for tap water, and microorganism, viral bacterium may occur after Drinking Water for Residents terminal in family's drinking water pipeline system
" polluting three times "(Note:The proper noun that " polluting three times " system present invention is created for sake of convenience).
Unfortunately, people gradually have found in the latest 20 years, and simultaneously, chlorine can also react cholorination with the organic matter in water
Generate a series of disinfection by-products(Strong carcinogen), it is broadly divided into:(1)Volatility halogenated organic matters.Mainly there is haloform class,
Including chloroform, a bromodichloromethane, dibromo monochloro methane and bromofom;(2)Non-volatile halogenated organic matters.Mainly there is halogenated acetic acids
Class, as monoxone, dichloroacetic acid, trichloroacetic acid, bromoacetic acid, dibromoacetic acid, tribromoacetic acid, bromochloro-acetic acid, dibromo chloroacetic acid,
Dichloro-monobromo acetic acid etc.;In addition with halogenated aldehyde, halogenated phenols, halogenated nitrile, halogenated ketone, halogenated hydroxyl furanone(Such as the chloro- 4- bis- of 3-
Chloromethyl -5- hydroxyls -2 (5 hydrogen) furans, abbreviation MX)Deng to the potential danger side of body of health composition.In addition, human skin pair
Chlorine, which is almost, all to be absorbed, and long-term bathing chlorinated water easily induces a variety of skin diseases or even cancer.Therefore, from health perspectives
Consider, after city reaches Drinking Water for Residents terminal for tap water, chlorine residue in water should thoroughly be removed first, usual way is to enter
The total water inlet end installation central water purifier in family.
The central water purifier of early stage is only to fill the filtrates such as quartz sand, activated carbon, naked eyes visible in water is removed, together
When adsorb water in chlorine residue, except color deodorization.It is but right with the enhancing that water supply quality severe exacerbation and common people's drinking water safety are realized
The purification of water quality performance requirement of central water purifier is higher and higher, and structure also becomes increasingly complex, and causes equipment manufacturing cost and water producing cost
It is more and more expensive, also bring the unnecessary consumption of resource(For example, in household water, flushing water occupies the suitable portion of total Water consumption
Point, domestic waste water can be utilized completely), Frequent Troubles, maintenance difficulties increase.But most it is basic still:After chlorine residue removal, how
The microorganism that may be grown in household drinking water pipe-line system, viral bacterium " polluting three times " are prevented, so far there is not yet any solution
Certainly scheme, in other words, such central water purifier not yet occur.
Another problem of household water is the hardness of water.The hardness of so-called water refers to the total of polyvalent cation quantity in water
With typically refer to the content of calcium and magnesium ion in water.Hardness of drinking water height is also closely bound up with health.With drinking-water hardness relation most
It is angiocardiopathy for close health problem, hard water also easily causes calculi in urinary system.In addition to the influence to health, water
Excessive high hardness can bring many adverse effects to daily life.It is such as made tea with hard water, tea can be made spoiled;To cook
Food can reduce nutritive value;To do washing, soap consumption can be increased, and influence the color and luster and flexibility of yarn fabric;Hard water boils
Boiling, meeting sediment incrustation in kettle and boiler, so as to increase fuel consumption, and easily makes compromised container, etc..
Existing central water purifier does not have water softening ability substantially, and the main means of the water hardness to be solved are in family at present
Purchase is based on ion(Resin)The water softening device of switching technology.Its main problem is that institute's softened water is only used for washing, and should not drink
With.Because while ion exchange removes calcium ions and magnesium ions in water, a large amount of sodium ions, unfavorable health are discharged into water.Moreover, soft water
Machine need to be through customary salt(Sodium chloride)Backwash, it is time-consuming and laborious expensive.
The content of the invention
The invention solves technical problems to be:A kind of microorganism that can prevent household drinking water pipe-line system and disease are provided
Toadstool etc. " polluting three times " simultaneously can improve the central water purifier for the hardness for reducing water.
In order to solve the above-mentioned technical problem, technical solution proposed by the present invention is:A kind of central water purifier is held including pressure-bearing
Device, paired negative electrode and positive electrode, the electrolysis power powered for paired negative electrode and positive electrode, the pressure resistant vessel include
The metal cylinder that is vertically arranged and the insulated enclosure end cap for being arranged on the metal cylinder both ends;It is equipped in the pressure resistant vessel
The insulating spacer pipe being tightly connected with the end cap at metal cylinder both ends, the insulating spacer pipe middle part are provided with several permeable holes,
The negative electrode is arranged on the bottom of insulating spacer pipe;The insulating spacer pipe be outwards enclosed with successively the first water penetration membrane and
Second water penetration membrane, it is described filled with physical absorption filter core between the first water penetration membrane and the second water penetration membrane
First water penetration membrane and the second water penetration membrane use membrane made of non-conducting material;End at the top of the metal cylinder
It covers equipped with sewage outlet, the end cap of the metal cylinder bottom is equipped with water inlet, the second water penetration membrane and metal
Water outlet is equipped between cylinder;The metal cylinder is electrically connected with negative electrode.
The preferred PP cottons of heretofore described physical absorption filter core, porous ceramic micro filter material, granular activated carbon, sintering activity
Filter core made of charcoal or activated carbon fibre.
Apparatus of the present invention course of work and purification mechanism are described as follows:
In the case of sewage outlet closing, city enters apparatus of the present invention for water supply water from water inlet, through following more
After weight purified treatment, supply water from water outlet to entire family's pipe-line system.
(1)The positive electrode and negative electrode at insulating spacer inner axial tube both ends form one without membrane electrolytic cell.City supplies tap water
Source water enters apparatus of the present invention without membrane electrolytic cell from water inlet, source pollutant in water be directly oxidated or reduced on the electrode and
Removed from water or by the use of electrochemistry generate redox materials as reactant or catalyst, change into pollutant
The smaller substance of toxicity.Yin, yang inter-electrode voltage field and electrolytic electrophoresis comprehensive function, by micro- life in the water in electric field
Object, pathogenic bacteria inactivation.
(2)Positive electrode is arranged in above-mentioned no membrane electrolytic cell in upper, negative electrode under, the mainly cathode of leading reaction is anti-
Answer product --- hydrogen.Since hydrogen molecule diameter is small, escape velocity is fast, compare positive electrode-negative electrode or so place oxygen and
Hydrogen participates in electric flocculation mode jointly, has better air supporting/flocculating effect.Especially into the water of negative electricity polar motion calcium and magnesium sun from
Son liquidates with floating hydrogen stream, forms more abundant flocculation sediment and gets off, while TDS total amounts decline in water.
Water through above-mentioned no membrane electrolytic cell preliminary purification, from insulating spacer pipe middle part, tapping penetrates the first water penetration membrane
The water penetration membrane of → intermediate active charcoal filtering layer → second is finally exported from water outlet, and water pollutant is based on physical absorption filter core
Filtering physical treatment with first, second water penetration membrane is further purified removal.
(3)In insulating spacer pipe Inner electrolysis voltage U, from anode(Top)To cathode(Bottom)Substantially linearly successively decrease, in
Voltage at portion's circumferential openings(Current potential)Value is about the 1/2 of total voltage.Since metal cylinder is electrically connected with negative electrode by conducting wire
I.e. in same current potential, thus from perforate water inlet the → the first water penetration membrane → intermediate physical absorption filter element in the middle part of insulating spacer pipe →
First water penetration membrane → metal cylinder to water outlet, there are one voltage drop=1/2U for physical presence.
Due to the presence of current potential 1/2U in the middle part of insulating spacer pipe, actually a diaphragm electrolysis mode is formed in above-mentioned section
The second electrolytic cell, metal cylinder is the second cathode, and current potential 1/2U is equivalent to second plate in the middle part of plastic partition casing.Through no film electricity
The water that solves that treated in pond from perforate in the middle part of insulating spacer pipe into the second electrolytic cell electrochemical reaction again, and electrochemical treatments with
The physical absorption processing slitless connection organic integration of the membrane filtration of first, second water penetration membrane of physical absorption filter core affix,
Realize deeper Water warfare.
(4)The structure of first, second water penetration membrane shows as the water excessively of countless permeable micropores on microcosmic in the present invention
Passage area, since first, second water penetration membrane is made of non-conductive material, thus in the water passage of permeable micropore
Voltage drop is generated, i.e., when the decomposition voltage of electrolysis power is applied to external electrode(Positive electrode)With interior electrode(Negative electrode)Afterwards,
First, voltage landing relation is formed in the permeable micropore of the second water penetration membrane.
And the gas of liberation of hydrogen during water electrolysis, oxygen evolution reaction generation easily enters in the water passage of permeable micropore and
Bubble is generated in water in water passage, the narrow and small ring in the water passage of the permeable micropore of first, second water penetration membrane
Bubble is easy to broken so as to generate localized hyperthermia's high pressure in border, and then is inspired efficient water body plasma with minimum voltage and put
It is temporary to generate hydroxyl free base class for electricity in first, second water penetration membrane and in first, second water penetration membrane neighboring area water
The plasma of state oxidation factor(Plasma is the 4th state of substance that same level is in solid-state, liquid, gaseous state, low temperature
Plasma is rich in electronics, ion, free radical and excited state molecule, and electronics has very high reactivity with ion, can make to lead to
It is difficult under the conditions of often or chemical reaction that speed is difficult becomes very rapid, discharged generation plasma group by water body, it can
To 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.
Traditional water body plasma discharge technology imports gas into water to generate water body plasma discharge often through outside
Body, and impose and increase strength pulse voltage or hot conditions.It is of the invention then plasma discharge is directed to first, second water penetration
It is carried out in the countless small permeable raw holes of membrane, by the gas to water electrolysis liberation of hydrogen, oxygen evolution reaction generation, into first, the
Water body itself gasification is induced in two water penetration membranes, and then efficient water body plasma discharge is inspired with minimum voltage, you can
Water-outlet body plasma discharge is excited, generates the hydroxyl free base class transient state oxidation factor of great sterilizing ability in water.The hydroxyl
The oxidisability of free radical transient state oxidation factor is extremely strong, has extraordinary bactericidal effect, can be added in water outlet, while in water
In existence time it is again shorter, water can be reduced directly to so as to not staying any toxic side effect after sterilization.
Above-mentioned ultralow pressure plasma discharge process carries out particularly fierce in the second water penetration membrane, this is because the
Two water penetration membranes and the second negative electrode that metal cylinder is formed are closest, can be absorbed into a large amount of high energy of negative electrode release
Electronics.
Due to ultralow pressure plasma discharge, discharged from water outlet into household drinking water pipe-line system have it is a considerable amount of etc.
Cluster ion.These cluster ions have extremely strong oxidation or reproducibility, have to organic pollutants, bacterium, microorganism extremely strong
Degradation or deactivation;Meanwhile the degradation period of these cluster ions in water is again quickly, is unlikely to accumulate for a long time, especially pole
There are toxic side effects less.So that it is guaranteed that central water purifier in removing water after chlorine is made, it can be ensured that the drinking-water pipe of household internal
Road has still thoroughly prevented generation microorganism, the possibility of viral bacterium " polluting three times ".
(5)The Land use systems that the water outlet of apparatus of the present invention sewage outlet optimizes are as flushing supply, i.e. sewage outlet
It is connected with the water tank of closestool, is controlled by closestool flushing valve;The water outlet of certain sewage outlet can be used for family water flowers or
It mops floor.In normal work, source pollutant in water can collect around the water purifier of the present invention in positive electrode, therefore by blowdown
The mouth of a river is arranged at positive electrode, and each water outlet of such sewage outlet is all equivalent to the once automatic clean and maintenance to water purifier,
The flocculate precipitated simultaneously in insulating spacer pipe can also discharge under the action of tap water hydraulic from sewage outlet, both economize on
Water is realized to the automatic clean and maintenance of apparatus of the present invention again simultaneously.
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 essentially identical.
In the present invention, if the permeable aperture of first, second water penetration membrane is excessive(I.e. microporous space is excessive)It is equivalent to
In a disguised form increase electrode diameter(Electrode curvature radius)Discharge in water starting excitation voltage is caused to increase, and makes generation air bladder
Product, which becomes larger, reduces the catalytic specific surface area of gas-liquid two-phase.And if the permeable aperture mistake of first, second water penetration membrane
It is small(I.e. microporous space is too small), it can make that electrolysis aerogenesis can not occur or gas producing efficiency is extremely low, it is small to lead to a certain extent
Causing the point discharge of numerous small curvature radius electrode in each micropore in membrane can not be normally carried out.Therefore, by inventor's
Repetition test, the range of aperture size for determining the permeable micropore of the first water penetration membrane and the second water penetration membrane are 2 millis
Rice~1 nanometer, and difference is less than 20% to aperture size each other between each other.
The shape uniformity of membrane micropore and the uniformity of pore size influence plasma discharge in film very big.In order to
More preferable more generation hydroxyl radical free radical plasma groups, it is preferred that when in use, the first, second water penetration membrane it is every
Plasma discharge is respectively formed in a permeable micropore.So when using electric discharge, the direction of an electric field between anodic-cathodic can penetrate every
The plasma group of a permeable micropore, plasma discharge is directed in all water passages of water penetration membrane and is carried out, thus with
Minimum voltage can excite water-outlet body plasma discharge, generate the transient state oxidation factor of a large amount of great sterilizing abilities in water, can
To greatly improve the degradation efficiency of pollutant in water body, sterilizing etc. is preferably carried out.
For electric discharge is made in film to be easy to carry out, it is necessary to so that the water penetration of first, second water penetration membrane preferred hydrophilic every
Film, hydrophilic film surface can with water formed hydrogen bond ordered structure, fenestra water-filling wet face state can be improved, be conducive to film it is medium from
Electron discharge process persistently carries out.
Being further improved for above-mentioned technical proposal be:Flocculation lattice are equipped in the insulating spacer pipe at the end cap at top
Grid device, the positive electrode is arranged between flocculation grid device and the end cap at top, made of the positive electricity extremely aluminium or iron
Electrode.The coherency of the hydroxide of generation aluminium or iron can be so dissolved under the function of current using aluminium or iron positive electrode to coagulate
Colloidal substance in polywater is so that water is purified, mainly comprising three processes:(1)" sacrificial anodes " electrolytic oxidation generates
Coagulant;(2)Water-borne glue body particle destabilization;(3)De- steady colloid forms floccule body.Wherein, since " sacrificial anodes " aoxidize
The interionic of generation interacts so that micelle electric double layer is compressed, while is electrolysed the generation of the ion in the counter ion and water of generation
Charge neutrality is acted on so that electrostatic repulsion reduces, and it is leading to account for Van der Waals adsorption capacity, promotes colloid that agglomeration effect occurs, and final
Coarseer floccule body is formed, removal is separated from the water by gravity.The present invention can go to remove water simultaneously using electric flocculation technique
In the substances such as organic matter, bacterium, turbidity, toxic heavy metal.Compared with chemical flocculation, have since hydrogen can be precipitated in cathode
Flotation acts on, and is not necessary to add chemical agent into water, thus SO is not had in water4 2-、Cl-A large amount of aggregations;With biological treatment
It compares, because microorganism need not be cultivated, it is only necessary to which electronics implements water process, thus treatment time of water is short, and timeliness is high.
Preferably, the metal cylinder coats cylinder made of platinum group oxide for stainless steel or titanium.
Preferably, the negative electrode is close to the bottom head covers of metal cylinder, and the negative electrode is provided with through hole.
Preferably, the positive electrode is close to the grid device that flocculates, and the positive electrode interval is provided with several through holes.
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.
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.
Specific embodiment
Embodiment
The central water purifier of the present embodiment is as shown in Figure 1, including pressure resistant vessel, paired negative electrode 2 and positive electrode 3, be
The electrolysis power that paired negative electrode 2 and positive electrode 3 are powered(It is not shown in figure), pressure resistant vessel includes the metal cylinder that is vertically arranged
Body 1-1 and the insulated enclosure end cap for being arranged on metal cylinder 1-2 both ends are upper end cover 1-2 and bottom end cover 1-3 respectively;Pressure-bearing
The insulating spacer pipe 4 being tightly connected with the upper end cover 1-2 and bottom end cover 1-3 at metal cylinder 1-1 both ends, insulation are equipped in container
4 middle part of spacer pipe is provided with several permeable hole 4-1, and negative electrode 2 is arranged on the bottom of insulating spacer pipe 4;Insulating spacer pipe 4 outwards according to
It is secondary be enclosed with the first water penetration membrane 5-1 and the second water penetration membrane 5-2, the first water penetration membrane 5-1 and the second water penetration every
Filled with physical absorption filter core 6 between film 5-2, the first water penetration membrane 5-1 and the second water penetration membrane 5-2 are non-conductive
Membrane made of material;The end cap at 1 top of metal cylinder(That is upper end cover 1-2)It is equipped with sewage outlet 7-3,1 bottom of metal cylinder
The end cap in portion(That is bottom end cover 1-3)Water inlet 7-1 is equipped with, water outlet is equipped between the second water penetration membrane 5-2 and metal cylinder 1
Mouth 7-2;Metal cylinder 1 is electrically connected with negative electrode 2 by conducting wire.
6 preferred PP cottons of physical absorption filter core, porous ceramic micro filter material, granular activated carbon, sintering activity charcoal or activated carbon
Filter core made of fiber.
When in use, sewage outlet 7-3 is sealed the present embodiment by valve or lid, periodic cleaning.Therefore, arrange
Sewage mouth 7-3 is preferably connected with the water tank of closestool, can so make full use of waste water.The water of certain sewage outlet 7-3 discharges
Cleanings water is waited available for mopping floor.
The present embodiment can also make following improve:(1)Close to the end cap at top in insulating spacer pipe 4(That is upper end cover 1-2)
Place is equipped with flocculation grid device 8, and positive electrode 3 is arranged between flocculation grid device 8 and the end cap at top, positive electrode 2 for aluminium or
Electrode made of iron.The solidifying of the hydroxide of generation aluminium or iron can be so dissolved under the function of current using aluminium or iron positive electrode
Poly- property agglomerates the colloidal substance in water so that water is purified.
(2)The pore size and shape of the permeable micropore of the first water penetration membrane 5-1 of the present embodiment are essentially identical, and second
The pore size and shape of the permeable micropore of water penetration membrane 5-2 are essentially identical.Preferably, the first water penetration membrane 5-1 and
The range of aperture size of the permeable micropore of two water penetration membrane 5-2 is 2 millimeters~1 nanometer, and aperture size is between each other each other
Difference is less than 20%.
(3)First water penetration membrane 5-1 and the second water penetration membrane 5-2 is hydrophilic membrane.
(3)Metal cylinder 1 coats cylinder made of platinum group oxide for stainless steel or titanium.
(4)Negative electrode 2 is close to the bottom head covers of metal cylinder 1, and through hole is provided in negative electrode 2.
(5)Positive electrode 3 is close to the grid device 8 that flocculates, and the interval of positive electrode 3 is provided with several through holes.
(6)When in use, equal shape in each permeable micropore of the first water penetration membrane 5-1 and the second water penetration membrane 5-2
Into plasma discharge.
Preferably, the first water penetration membrane 5-1 and the second water penetration membrane 5-2 are preferably used in the present embodiment
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.
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 (10)
1. a kind of central water purifier, it is characterised in that:Including pressure resistant vessel, paired negative electrode and positive electrode, be paired the moon
Electrode and the electrolysis power of positive electrode power supply, the pressure resistant vessel include the metal cylinder being vertically arranged and are arranged on the gold
Belong to the insulated enclosure end cap at cylinder both ends;The interior end cap equipped with metal cylinder both ends of the pressure resistant vessel is tightly connected exhausted
Edge spacer pipe, the insulating spacer pipe middle part are provided with several permeable holes, and the negative electrode is arranged on the bottom of insulating spacer pipe;Institute
State insulating spacer pipe and be outwards enclosed with the first water penetration membrane and the second water penetration membrane successively, the first water penetration membrane and
Filled with physical absorption filter core between second water penetration membrane, the first water penetration membrane and the second water penetration membrane use
Membrane made of non-conducting material;End cap at the top of the metal cylinder is equipped with sewage outlet, the metal cylinder bottom
End cap is equipped with water inlet, and water outlet is equipped between the second water penetration membrane and metal cylinder;The metal cylinder and the moon
Electrode is electrically connected.
2. central water purifier according to claim 1, it is characterised in that:The permeable micropore of the first water penetration membrane
Pore size and shape are essentially identical, and the pore size and shape of the permeable micropore of the second water penetration membrane are essentially identical.
3. central water purifier according to claim 2, it is characterised in that:The first water penetration membrane and the second water penetration
The range of aperture size of the permeable micropore of membrane is 2 millimeters~1 nanometer, and difference is less than 20% to aperture size each other between each other.
4. central water purifier according to claim 1, it is characterised in that:The first water penetration membrane and the second water penetration
Membrane is hydrophilic water penetration membrane.
5. according to any central water purifier of claim 1-4, it is characterised in that:Close to top in the insulating spacer pipe
Flocculation grid device is equipped at the end cap in portion, the positive electrode is arranged between flocculation grid device and the end cap at top, described
Positive electricity electrode extremely made of aluminium or iron.
6. according to any central water purifier of claim 1-4, it is characterised in that:The metal cylinder for stainless steel or
Cylinder made of titanium coating platinum group oxide.
7. according to any central water purifier of claim 1-4, it is characterised in that:The negative electrode is close to metal cylinder
Bottom head covers, the negative electrode is provided with through hole.
8. central water purifier according to claim 5, it is characterised in that:The positive electrode is close to the flocculation grid dress
It puts, the positive electrode interval is provided with several through holes.
9. according to any central water purifier of claim 1-4, it is characterised in that:The physical absorption filter core is PP
Cotton, porous ceramic micro filter material, granular activated carbon, sintering activity charcoal or filter core made of activated carbon fibre.
10. according to any central water purifier of claim 1-4, it is characterised in that:When in use, the water penetration every
Plasma discharge is respectively formed in each permeable micropore of film.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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CN2015106037659 | 2015-09-20 | ||
CN201510603765 | 2015-09-20 |
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CN105692815A CN105692815A (en) | 2016-06-22 |
CN105692815B true CN105692815B (en) | 2018-06-05 |
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CN201610224154.8A Active CN105692815B (en) | 2015-09-20 | 2016-04-08 | Central water purifier |
CN201620297148.0U Withdrawn - After Issue CN205527903U (en) | 2015-09-20 | 2016-04-08 | Central authorities' water purifier |
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CN201620297148.0U Withdrawn - After Issue CN205527903U (en) | 2015-09-20 | 2016-04-08 | Central authorities' water purifier |
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CN105692815B (en) * | 2015-09-20 | 2018-06-05 | 大连双迪创新科技研究院有限公司 | Central water purifier |
CN110586048A (en) * | 2018-06-12 | 2019-12-20 | 北京师范大学 | Preparation method of sandwich type adsorption functional membrane |
CN110015788A (en) * | 2019-05-10 | 2019-07-16 | 北京交通大学 | A kind of electro-catalysis disinfection urine and resource recovery device |
CN113121050B (en) * | 2021-05-21 | 2022-08-26 | 山西惠净泉环保科技有限公司 | Sterilization and dechlorination drinking water treatment device |
CN115520936B (en) * | 2022-11-25 | 2023-03-24 | 福建省粤华环保科技有限公司 | Advanced treatment process and equipment for landfill leachate |
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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 |
CN205527903U (en) * | 2015-09-20 | 2016-08-31 | 大连双迪创新科技研究院有限公司 | Central authorities' water purifier |
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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 |
WO2014117255A1 (en) * | 2013-02-01 | 2014-08-07 | Masdar Institute Of Science And Technology | Novel in-situ membrane cleaning using periodic electrolysis |
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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 |
CN205527903U (en) * | 2015-09-20 | 2016-08-31 | 大连双迪创新科技研究院有限公司 | Central authorities' water purifier |
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CN205527903U (en) | 2016-08-31 |
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