CN105692804A - Purified water kettle - Google Patents

Purified water kettle Download PDF

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Publication number
CN105692804A
CN105692804A CN201610215327.XA CN201610215327A CN105692804A CN 105692804 A CN105692804 A CN 105692804A CN 201610215327 A CN201610215327 A CN 201610215327A CN 105692804 A CN105692804 A CN 105692804A
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Prior art keywords
water
kettle
barrier film
penetration barrier
anelectrode
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Granted
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CN201610215327.XA
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CN105692804B (en
Inventor
肖志邦
李烨
滕茂友
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Dalian Shuangdi New Technology Research Institute Co Ltd
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Dalian Shuangdi New Technology Research Institute Co Ltd
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    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/46Treatment of water, waste water, or sewage by electrochemical methods
    • C02F1/461Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
    • C02F1/46104Devices therefor; Their operating or servicing
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D67/00Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0079Manufacture of membranes comprising organic and inorganic components
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D71/00Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06Organic material
    • B01D71/30Polyalkenyl halides
    • B01D71/32Polyalkenyl halides containing fluorine atoms
    • B01D71/34Polyvinylidene fluoride
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/46Treatment of water, waste water, or sewage by electrochemical methods
    • C02F1/461Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
    • C02F1/46104Devices therefor; Their operating or servicing
    • C02F1/46109Electrodes
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/46Treatment of water, waste water, or sewage by electrochemical methods
    • C02F1/461Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
    • C02F1/463Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrocoagulation
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2323/00Details relating to membrane preparation
    • B01D2323/02Hydrophilization
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2323/00Details relating to membrane preparation
    • B01D2323/12Specific ratios of components used
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2325/00Details relating to properties of membranes
    • B01D2325/02Details relating to pores or porosity of the membranes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2325/00Details relating to properties of membranes
    • B01D2325/26Electrical properties
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2325/00Details relating to properties of membranes
    • B01D2325/36Hydrophilic membranes
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/46Treatment of water, waste water, or sewage by electrochemical methods
    • C02F1/461Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
    • C02F1/46104Devices therefor; Their operating or servicing
    • C02F1/46109Electrodes
    • C02F2001/46152Electrodes characterised by the shape or form
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/46Treatment of water, waste water, or sewage by electrochemical methods
    • C02F1/461Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
    • C02F1/46104Devices therefor; Their operating or servicing
    • C02F1/46109Electrodes
    • C02F2001/46152Electrodes characterised by the shape or form
    • C02F2001/46157Perforated or foraminous electrodes
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2201/00Apparatus for treatment of water, waste water or sewage
    • C02F2201/46Apparatus for electrochemical processes
    • C02F2201/461Electrolysis apparatus
    • C02F2201/46105Details relating to the electrolytic devices
    • C02F2201/46115Electrolytic cell with membranes or diaphragms
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2307/00Location of water treatment or water treatment device
    • C02F2307/04Location of water treatment or water treatment device as part of a pitcher or jug

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Inorganic Chemistry (AREA)
  • Water Treatment By Electricity Or Magnetism (AREA)

Abstract

The invention relates to a purified water kettle, belonging to the technical field of domestic drinking water quality advanced treatment. The purified water kettle comprises at least a pair of negative and positive electrodes, an electrolysis power source for supplying power to the negative and positive electrodes, and a water kettle, wherein a water-permeable diaphragm prepared from a non-conductive material is arranged between the negative electrode and positive electrode in pair; the water-permeable diaphragm is provided with water-permeable micropores with uniform pore size; the negative electrode and positive electrode are respectively a cage-shaped electrode which is fixed to the inner side surface of the water kettle lid, and the lower part of the cage-shaped electrode convexly extends into the kettle body; the negative electrode is provided with filter screen holes; the positive electrode is arranged in the negative electrode; and the water-permeable diaphragm is completely covered on the positive electrode. When in use, the negative electrode is immersed in the water stored in the kettle body, and the positive electrode contacts the kettle body through permeated water of the water-permeable diaphragm. The purified water kettle can generate fewer toxic byproducts while efficiently degrading organic matters in the home terminal drinking water in the water kettle, and the toxic byproducts can not enter the water in the water kettle.

Description

Purify kettle
Technical field
The present invention relates to a kind of purification kettle, belong to the water quality advanced processing technology field of Drinking Water。
Background technology
Water pollutes the pollutant mainly produced by mankind's activity to be caused, and it includes industrial pollution source, agricultural pollution source and domestic pollution source three parts。Increasingly the water aggravated pollutes, and the living safety of the mankind is constituted significant threat, becomes the major obstacles of human health, economy and social sustainable development。Investigating according to authoritative institution of the world, annual at least cause global 200d 00,000 people dead because drinking unhygienic water, therefore, water pollution is referred to as " world's number one killer "。Currently, water environment exacerbated, seriously threat to life continuity, especially when burst natural and man-made calamities more so。Poor and backward area, drink is even close to luxury to clean relieved water for general public。If with means simple, cheap, efficient, the common people can be made all can to drink clean relieved water, when for how immeasurable beneficence!
Domestic and international most of waterworks still adopts the outmoded process of precipitation, filtration, chlorination so far, and river or subsoil water are simply processed into drinkable water。But, in the face of trade effluent, rural sewage and sanitary sewage wildness are spread unchecked and poured in life water source, waterworks can't bear the heavy load helpless。Adding tap water and arrive, through water transfer pipe network and high-rise storage tank, the additional pollution that drinking water terminal is brought from water factory, municipal tap water dare not say it is health。Especially, although tap water chlorination can effectively kill except pathogenic bacteria, but also producing more halogenated hydrocarbon compound, the content of these chlorinated organics is multiplied, and is the significant source causing the mankind to suffer from various disease simultaneously。Even boiling tap water, what above-mentioned residue still drove does not go, and the carcinogens such as nitrite and chloroform also can be made to increase。That is, even if the safety coefficient of drinking water is also not high。
Since directly drinking public water supply is difficult to ensure safety, water purifier arises at the historic moment, and becomes common people's hard requirement。But, existing with city for tap water be source water purification of water quality product or drinking water related product, essentially medium absorption or adopt various bore filter film that water pollutant is intercepted the physical treatment technology filtered。Owing to activated carbon class adsorbing material is easy to saturated inefficacy, and various filter membrane is easy to be contaminated by bacterial or Organic substance blocks or damaged, and therefore practical situation is can not accomplish water pollutant as desired by Design Theory sufficiently cleaned up。In the face of day by day serious source, water pollutes, existing with medium absorption or adopt various bore filter film that water pollutant is intercepted the physics mode water treatment technology filtered far to have can guarantee that water quality reaching standard。It addition, traditional RO membrane reverse osmosis filter method is very serious to the waste of water resource, often purifies 1 liter of pure water and be accomplished by discharging 3 liters of concentration waste water。But, physics mode water treatment technology also has its points of course: generally do not generate toxic byproduct。
Comparatively speaking, though Water Treatment technique has the plurality of advantages such as cheap simply efficient, and it is unsuitable for civilian terminal Drinking Water field。Trace it to its cause, one is that Water Treatment technique needs enough response time, and in daily life water occasion, and water purifier is from start water inlet to water outlet only several seconds or even shorter, pollutant time of staying in water purifier is too short, has had little time related chemistry reaction treatment at all;It two is that Water Treatment technique is generally with certain toxic and side effects。Such as, although chemical oxidation reaction can potent inactivation of bacterial, depth degradation Organic substance, remove the various harmful substances in water, but all kinds of Strong oxdiative factors that chemical oxidization method generates are substantially non-selectivity, uncontrollable, generating, if dealing with improperly, the novel substance even strong carcinogen not having in the water of source most probably, jeopardizing safe drinking water on the contrary。And reduction reaction controls the improper Similar Problems that also brings along, for instance nitrate is likely to be converted into strong carcinogen nitrite;Just because of this, have no so far in the drinking-water terminal popularization and application of Drinking Water purified treatment field especially family。
Fortunately, in daily life, drinking water needs often has at times, the feature of interval。Such as, family's three meals water and bathing peak are concentrated mainly on time morning, noon and afternoon;Wash water is then by all/time calculating。Drinking water storage device in daily life, logical refers to the drinking water terminal with storage tank (tank, container), for instance: 1) pipeline water cleaning systems end wall on-hook, desk-top or vertical drinking;2) RO water purification machine water outlet pressure store bucket (case), and watered glass for drinking, kettle;3) elevated tank that public supply mains skyscraper top layer is installed, even urban residents' groundwater abstraction is to the water tank on roof。The common problem that such system exists at present is that in storage tank, in water, bacterial micro-organism exceeds standard, and has a strong impact on water quality even abnormal flavour smelly。The solution that there is no so far。
Therefore, it is badly in need of developing a kind of use home terminal tap water, home terminal tap water is carried out deep purifying process with intermittent duty, the purification kettle that every household is all afforded to use。
Summary of the invention
Present invention solves the technical problem that and be, not enough for prior art, it is proposed to a kind of purification kettle less producing toxic byproduct when the home terminal in kettle is drunk water and carried out degraded Organic substance in water。
Applicant is through repetition test and explores for many years, it is found that electrochemistry is as a kind of advanced oxidation water treatment technology, attached poison seondary effect is little far beyond conventional chemical water treatment technology, and electrochemistry water treatment technology can be carried out intensive treatment intensity by the adjustment of electrical quantity and reduce the response time。So, electrochemical water treatment technology has and overcomes physics water treatment technology weakness, can be used for certain potentiality of Drinking Water purified treatment。
Electrochemical water treatment technology is to make polluter Direct Electrochemistry reaction occur on electrode or utilize electrode surface to produce strong oxidizing property active substance generation oxidation reaction and be converted. electrochemical techniques and be aided with the group technology of other high-level oxidation technologies, it is called electrochemical system, including electrode electro-catalysis, electricity-Fenton, electricity-O3, sound-electric, optical-electronic etc.。
Electro-chemical water processes and be unable to do without electrode effect, is specifically divided into electrode direct reaction and electrode indirect reaction。Electrode direct reaction refers to that pollutant are directly oxidated or reduced on electrode and remove from water。Direct Electrolysis can be divided into anodic process and cathodic process。Anodic process is exactly the material that pollutant change into the less material of toxicity or easily biological-degradable in anode surface oxidation, even occurs Organic substance inorganization, thus reaching to cut down, remove the purpose of pollutant。Cathodic process is exactly that pollutant are removed in cathode surface reduction。
Electrode indirect reaction be then the redox materials utilizing electrochemistry to produce as reactant or catalyst, make pollutant change into the material that toxicity is less。Anode indirect reaction, in water, produced redox materials, generally includes following a few class: (1) has the chlorate of strong oxidizing property, hypochlorite etc.;Elecrtonegativity, it is possible to removed by anode;(2) H2O2、O3The Strong oxdiative factors such as (standard electrode EMF 2.07, half-life 30-60min);(3) electrochemical reaction produces strong oxidizing property and life-span extremely short intermediate, including e (solvated electron), OH, HO2·、·O2Deng free radical, based on OH, it is possible to degradation of organic substances。
But, electrochemical nature still belongs to chemical treatment technology, even toxic and side effects is little again, still has the risk of the Biological indicators reduction making water。At the unprecedented severe contamination of water environment, in conventional physical water purifier today unable to do what one wishes, again the probability that close examination research Water Treatment especially electrochemical water treatment technology is applied in Drinking Water purified treatment, a kind of electrochemical treatments technique that can efficiently remove water pollutant, again non-toxic by-products of innovative development or even electrochemistry water treatment technology work in coordination with brand-new method for purifying water and the device of coupling with physisorptive filter technique, are of great practical significance。
In order to solve above-mentioned technical problem, the present inventor proposes following technical scheme on the basis of above-mentioned cognition: a kind of purification kettle, including at least one pair of anodic-cathodic, the electrolysis power powered for described anodic-cathodic and kettle, water penetration barrier film it is provided with between paired negative electrode and anelectrode, described water penetration barrier film is the water penetration barrier film that non-conductive material is made, described water penetration barrier film has the permeable micropore of uniform pore size, the caged electrode that described negative electrode and anelectrode are all integrally fixed on kettle cover medial surface and bottom protrudes out in kettle body, described negative electrode is shaped with opening of sieve, described anelectrode is located in described negative electrode, the full tilt of described water penetration barrier film is located on described anelectrode, in use, described negative electrode immerses in the water in described kettle body, the infiltration water that described anelectrode is only permeated by described water penetration barrier film with described kettle body contacts。
It should be noted that, apparatus of the present invention process to seem home terminal drinking-water, it is usually city for tap water, as described in the background art, present water pollutes day by day serious, home terminal drinking-water has become as a kind of micro-polluted water (or perhaps special contamination water), its polluter includes environmental pollution (such as pesticide residues etc.), chlorination produces pollution and pipeline secondary pollution etc.。
The disclosed working mechanism purifying kettle technical scheme of the invention described above and beneficial effect are presented below。
Apparatus of the present invention architectural feature is, referring to Fig. 1, with water penetration barrier film for boundary, set up the anodic-cathodic pair in the upper and lower both sides of water penetration barrier film separately: the caged electrode that negative electrode and anelectrode are all integrally fixed on kettle cover medial surface and bottom protrudes out in kettle body, negative electrode is shaped with opening of sieve, anelectrode is located in described negative electrode, and the full tilt of described water penetration barrier film is located on described anelectrode。
Put on external electrode (anelectrode) and interior electrode (negative electrode) when the decomposition voltage of electrolysis power after, form following voltage landing relation:
The outer anelectrode of film (+) the pressure drop U3 of the anti-generation of water resistance between negative electrode in → pressure drop U2 → water penetration barrier film that between anelectrode and film, the voltage drop U1 of moisture film → water penetration barrier film direct impedance produces and container (kettle body of kettle)。
First, the anelectrode of apparatus of the present invention is located in caged filter screen shape negative electrode, simultaneously, the infiltration water that the anelectrode of apparatus of the present invention is only permeated by water penetration barrier film with kettle body contacts, ensureing on the basis that the cell reaction of apparatus of the present invention is normally carried out, anode direct oxidation reaction being transferred to and carries out outside container, reaction product of anode is drained outside container, will not return again to container internal contamination water quality。Meanwhile, the negative pollutant such as chlorine residue etc. in water, by anode voltage effect, it is also possible to through water penetration barrier film water in container, moves to the outer anode region of container。
It needs to be noted: anode direct oxidation reaction is not need not, but anode reaction product (such as ozone) is likely to produce toxic and side effects, some toxicity still it is likely to be of by anode direct oxidation reaction product including negative pollutant, anode is arranged external container by the present invention, and above-mentioned toxic byproduct is directly with regard to outer row;And give source water electrolysis product on anelectrode such as oxygen, ozone, chlorine etc. and discharge space greatly, outside can be passed through directly emit, barrier film will not be passed through and return again to the water quality in container internal contamination container, will not remain in container in water, thus significantly reducing the toxic and side effects of above-mentioned Strong oxdiative thing。
Secondly, in the present invention, the effect of water penetration barrier film is not only will isolate inside and outside container, structure due to self: water penetration barrier film is the water penetration barrier film that non-conductive material is made, what show as countless uniform micro on microcosmic crosses aquaporin region (having the micropore of uniform pore size), under decomposition voltage effect, micropore can also form in water penetration barrier film the reaction of water body low pressure cold plasma discharge。Low temperature plasma is rich in electronics, ion, free radical and excited state molecule, and electronics and ion have significantly high reactivity, it is possible to make the chemical reaction being difficult under usual conditions or speed is difficult to become very rapid。
Traditional water body plasma discharge technology, for producing water body plasma discharge, often through outside to importing gas in water, and imposes and adds high intensity pulses voltage or hot conditions。Plasma discharge is then directed to the countless small water storage space of water penetration barrier film and carries out by the present invention, rely on anelectrode to water electrolysis liberation of hydrogen, the gas that oxygen evolution reaction generates, it is partially in film and brings out water body self gasification (owing to anelectrode contacts with the infiltration water penetrating through water penetration barrier film in container, so, anelectrode presses close to water penetration barrier film, the oxygen of anode reaction etc. are easily accessible membrane micropore and generate bubble in millipore water, in the narrow and small environment of membrane micropore, bubble breaking produces localized hyperthermia's high pressure), and then inspire efficient water body plasma discharge with minimum voltage, water generates hydroxyl free base class transient state oxidation factor, the oxidisability extremely strong (exceeding ozone) of this hydroxyl radical free radical transient state oxidation factor existence time in water simultaneously is extremely short again, therefore after rapidly the pollutant such as Organic substance in water (such as antibacterial) can being formed extremely strong Degradation self rapid oxidation after generation, direct-reduction is water, do not stay any toxic and side effects。
Owing to conventional chemical water treatment technology is when purified treatment common people's daily life drinking water, generate all kinds of Strong oxdiative factors be substantially non-selectivity, uncontrollable, jeopardize safe drinking water, the strong carcinogen nitrite etc. that reduction reaction generates, processes occasion suitable for application in common people's daily life drink water purifying。Therefore, current conditions and conventional thinking limit the application in common people's daily life drinking water of the Water Treatment technique。The uncontrollable of all kinds of Strong oxdiative factors that Conventional electrochemical water is generated by the present invention becomes controlled, the present invention utilizes these characteristics of hydroxy radical just, for city for this special micro-polluted water water quality characteristics of tap water, by ingehious design in structure, the outside generation being on the one hand drawn out in container by anode direct oxidation reaction water, gets rid of oxidation reaction toxic byproduct。On the other hand anode indirect oxidation effect is performed to ultimate attainment, it is achieved the purification to its degree of depth of source water electrode and safety!
The kettle technical scheme that purifies summarizing the invention described above provides the benefit that: 1) make full use of electrochemical water treatment technology, to reach existing physics water treatment technology and be unable to reach, to the depth degradation of source water pollutant, the effect efficiently removed, it is drawn out to outside device by anode direct oxidation reaction to carry out, ozone is suppressed to generate, to reduce the risk generating toxic byproduct in container in water;2) rely primarily on hydroxy kind strong oxidizing property and the life-span is extremely short and the indirect electrochemical intermediate that has no side effect, realize desired electro-chemical water treatment effect;3) the source water in kettle body remains chlorine residue and various harmful anion face south electrode transfer, pass water penetration barrier film and enter between anelectrode and film water body and discharge;4) microorganism in water in kettle body, is inactivated by the electric field action of U3 between the negative electrode in water penetration barrier film and container;5) by water-in-kettle matter deep purifying, it is ensured that safe drinking water, and simple in construction, realization are conveniently。
The present invention improving further on technique scheme basis is: described water penetration barrier film is hydrophilic water penetration barrier film。
The water penetration barrier film of the present invention is hydrophilic water penetration barrier film, and hydrophilic film surface can form hydrogen bond ordered structure with water, it is possible to improve fenestra water-filling wet face state, is conducive to plasma discharge process in film to be performed continuously over。
The present invention further improvement on technique scheme basis is: when using electric discharge, forms plasma discharge in described permeable micropore。
The present invention further improvement on technique scheme basis is: when using electric discharge, be respectively formed plasma discharge in each permeable micropore。
The shape of membrane micropore and pore size and uniformity are very big on plasma discharge impact in film。For plasma group can be efficiently produced under ultralow discharge voltage, as shown in Figure 7, the water penetration barrier film adopted in the present invention, when using electric discharge, direction of an electric field passes through each permeable micropore, Faradaic current each micropore circulation in film between two electrodes, be equivalent to a broad-area electrode to be divided into the small electrode of numerous tip-like, the electric discharge curvature making electrode reduces, discharging efficiency is improved, simultaneously, plasma discharge is directed to the countless small water storage space of water penetration barrier film and carries out by the present invention, rely on anelectrode to water electrolysis liberation of hydrogen, the gas that oxygen evolution reaction generates, it is partially in film and brings out water body self gasification, and then inspire efficient water body plasma discharge with minimum voltage, water body plasma discharge can be inspired, water generates the transient state oxidation factor of a large amount of great sterilizing ability, the degradation efficiency being greatly improved in water body pollutant。The present invention improving on technique scheme basis one is: be embedded with the first wire of connection anelectrode and electrolysis power and the second wire connecting negative electrode and electrolysis power in the handle of described kettle。
Owing to being embedded with the first wire and the second wire connecting negative electrode and electrolysis power, the tailored appearance of connection anelectrode and electrolysis power in the handle of kettle, improve the stability that electrolysis power is powered。
The present invention improving on technique scheme basis two is: described pot lid has the infiltration water discharge permeated by described water penetration barrier film for described kettle body enter discharge outlet。
By have on pot lid the infiltration water discharge permeated by described water penetration barrier film for kettle body enter discharge outlet, it is possible to the harmful gas that generates of reaction and sewage etc. are discharged in time;2) add water to kettle and can be not switched on pot lid, add water conveniently。
The present invention improving on technique scheme basis three is: be provided with physical absorption filtering layer in the caged space of described anelectrode。
City directly from entering discharge outlet through physical absorption filtering layer, can enter in kettle for tap water source water, and water pollutant is intercepted at outside kettle, in kettle, water is the scrubbing water through membrane filtration, physical filtering and electrochemistry are organically combined, can sterilize, degradation of organic substances, do not produce toxic byproduct。
The present invention improving on technique scheme basis four is: described in enter that discharge outlet is communicated with a through physical absorption filtering layer, anelectrode and water penetration barrier film add aquaporin, described in add aquaporin and be provided with plug and the push rod of plug can be moved up and down。
It is provided with plug by being provided with to add aquaporin and add aquaporin and the push rod of plug can be moved up and down, by pressing push rod so that add aquaporin and open, it is possible to add water in kettle faster。
The present invention improving on technique scheme basis five is: described electrolysis power is located at kettle body outer bottom and is made as one with kettle body。
The present invention improving on technique scheme basis six is: described electrolysis power is located in an external base, by being separately positioned on the concavo-convex conductive socket socket connection conducting on kettle body outer bottom and base between described electrolysis power and anodic-cathodic。
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the purification kettle of the present invention is described further。
Fig. 1 is the inside partial structurtes schematic diagram purifying kettle of the embodiment of the present invention one。
Fig. 2 is the inside partial structurtes schematic diagram one purifying kettle of the embodiment of the present invention four。
Fig. 3 is the inside partial structurtes schematic diagram two purifying kettle of the embodiment of the present invention four。
Fig. 4 is the inside partial structurtes schematic diagram purifying kettle of the embodiment of the present invention five。
Fig. 5 is the inside partial structurtes schematic diagram purifying kettle of the embodiment of the present invention six。
Fig. 6 is the inside partial structurtes schematic diagram purifying kettle of the embodiment of the present invention seven。
Fig. 7 is the permeable microcellular structure schematic diagram in the water penetration barrier film of Fig. 1。
Detailed description of the invention
Embodiment one
The purification kettle of the present embodiment, referring to Fig. 1, including at least one pair of negative electrode 22 and anelectrode 23, the electrolysis power 3 powered for anodic-cathodic and kettle 1, it is provided with water penetration barrier film 21 between paired negative electrode 22 and anelectrode 23, water penetration barrier film 21 is the water penetration barrier film that non-conductive material is made, and water penetration barrier film 21 has the permeable micropore of uniform pore size。The shape that the permeable micropore of uniform pore size is pore size and hole is generally uniform, such as, is all the hole of same shape in a film, is all such as the hole of the hole of ellipse, triangle, etc.。Pore size in one film is all the hole of same size, etc.。
The caged electrode that negative electrode 22 and anelectrode 23 are all integrally fixed on the pot lid medial surface of kettle 1 and bottom protrudes out in kettle body。Negative electrode 22 is shaped with opening of sieve, and anelectrode 23 is located in negative electrode 22。The full tilt of water penetration barrier film 21 is located on anelectrode 23。In use, negative electrode 22 immerses in the water in kettle body, and the infiltration water that anelectrode 23 is only permeated by water penetration barrier film 21 with kettle body contacts。
The infiltration water of apparatus of the present invention is successive generation。Water membrane only it is clamped with between anelectrode 23 and the water penetration barrier film 21 of apparatus of the present invention, so, the anelectrode of apparatus of the present invention does not have water on all the other sides, it is possible to outside cell reaction is normally carried out, and also reduces the reaction on anelectrode of the source water electrolysis especially。Simultaneously, anelectrode presses close to water penetration barrier film, the oxygen of anode reaction etc. are easily accessible membrane micropore and generate bubble in millipore water, in the narrow and small environment of membrane micropore, bubble breaking produces localized hyperthermia's high pressure, it is partially in film and brings out water body self gasification, and then inspire efficient water body plasma discharge with minimum voltage, water generates hydroxyl free base class transient state oxidation factor。
The water penetration barrier film 21 of the present embodiment is the non-conductive material filter membranes such as monolayer microfiltration-nanofiltration。When using electric discharge, permeable micropore forms plasma discharge。For better more generation hydroxyl radical free radical plasma group, when using electric discharge, each permeable micropore is respectively formed plasma discharge。
In order to water penetration barrier film 21 obtains the micropore of uniform pore size, so that plasma better discharges in film, can pass through to be modified producing acquisition to water penetration barrier film 21, modified water penetration barrier film improves ultrafilter membrane hydrophilic, enhance the stain resistance of film, extend film service life, cold plasma discharge is mutually promoted with water simultaneously, can be effectively improved Organic substance in water degradation rate, also effectively prevent the deterioration being easily caused biological index because electric current density is excessive。It is the barrier film by making according to following steps that water penetration barrier film 21 has the micropore of uniform pore size:
1) by nanometer titanium dioxide titanium solution the ultraviolet case internal irradiation that temperature is 40 DEG C-60 DEG C 10-30 minute;
2) by the raw material component film liquid of following mass ratio:
PVDF:20%-30%
Porogen: 2-5%
Nano titanium oxide after step 1) irradiation: 2%-4%
Surfactant: 3%-5%
Solvent: 70%-80%;
3) the film liquid configured is passed through supersonic oscillations 20-40 minute;
4) spread to liquid film with knifing machine, liquid film is stood in atmosphere the 10-30 second, is then immersed in solidification liquid and is frozen into barrier film;
5) barrier film is soak 10-40 minute in 10% alcohol water blend in concentration, is then placed in deionized water and rinses;
6) described barrier film is placed in the pure water tank being applied with 10kv DC pulse high pressure and processes 1 hour。
Water penetration barrier film adopts titania modified technology, by adopting irradiation technique to increase nano titanium oxide hydrophilic monomer at ultrafiltration membrane surface, improves ultrafilter membrane hydrophilic, the stain resistance of reinforcing membrane, prolonging service lifetime of film。Cold plasma discharge is mutually promoted with water simultaneously, can be effectively improved Organic substance in water degradation rate。
The first wire of connection anelectrode 23 and electrolysis power 3 and the second wire connecting negative electrode 22 and electrolysis power 3 it is embedded with in the handle of the kettle 1 of the present embodiment。The pot lid of the present embodiment has for kettle body by described water penetration barrier film permeate infiltration water discharge enter discharge outlet 15。
Hydrophilic water penetration barrier film selected by the water penetration barrier film 21 of the present embodiment。The permeable aperture of the water penetration barrier film 21 of the present embodiment is respectively less than equal to 2 millimeters and the permeable aperture size of all micropores differs each other each other less than 20% be more than or equal to 1 nanometer and in water penetration barrier film 21。Preferred ultrafilter membrane。
In apparatus of the present invention, if the permeable aperture of water penetration barrier film excessive (namely microporous space is excessive) is equivalent to and in a disguised form increases electrode diameter (electrode curvature radius) and cause the initial excitation voltage of discharge in water to increase, and make generation bubble volume become to reduce greatly the catalytic specific surface area of gas-liquid two-phase。And the permeable aperture too small (namely microporous space is too small) of water penetration barrier film, electrolysis aerogenesis can be made to occur or gas producing efficiency is extremely low, little can cause that in barrier film, in each micropore, the point discharge of numerous little radius of curvature electrode cannot be normally carried out to a certain extent。Therefore, through the repetition test of inventor, it is determined that permeable pore diameter range is 2 millimeters-1 nanometer。
One, experiment 1
Kettle body manually fills tap water, for the city in DaLian, China area for tap water, the DC source of the high level narrow spaces that electrolysis power 3 adopts average voltage to be 40V, it is provided that constant current 800mA, water penetration barrier film 21 adopts ultrafilter membrane, negative electrode 22 to be integrally fixed on inside the pot lid of kettle 1。
Source water remains chlorine residue and various harmful anion migrate to anode, pass water body discharge between barrier film entrance anode and film and fall。Total plate count < 2CFU/ml in testing inspection, water;Phenol compounds < 0.001mg/L;Anion synthetic detergent < 0.001mg/L;Carbon tetrachloride < 0.001mg/L;Chloroform < 0.013mg/L, relative city, for tap water, well improves water quality。
In order to prevent anions and canons precipitate in the deposition fouling of electrode and water penetration barrier film 21 surface, electrolytic process is suitably switched the electrolysis power polarity being applied to paired electrode。
Embodiment two
The purification kettle of the present embodiment is the improvement on embodiment one basis, is different in that with embodiment one:
The present embodiment manually fills tap water in kettle body, still for the city in DaLian, China area for tap water, electrolysis power 3 adopts the forward voltage level component pulse-changing power more than backward voltage level, average voltage is 15V, water penetration barrier film 21 adopts micro-filtration membrane, the spacing δ between micro-filtration membrane and the anelectrode outside film 23 to be 15 millimeters。
Embodiment three
The purification kettle of the present embodiment is the improvement on embodiment one basis, is different in that with embodiment one: being positioned on the anelectrode 23 outside water penetration barrier film 21 in the present embodiment and have some through holes, water penetration barrier film 21 adopts NF membrane。
The present embodiment still supplies tap water for the city in DaLian, China area, and the spacing δ between water penetration barrier film 21 and the anelectrode outside barrier film 23 is 0 millimeter, 10 millimeters respectively and tests。
Embodiment four
The purification kettle of the present embodiment is the improvement on above-described embodiment basis, is different in that with above-described embodiment: as shown in Figures 2 and 3, is provided with physical absorption filtering layer 24 in the caged space of the anelectrode 23 of the present embodiment。The present embodiment enter that discharge outlet 15 is communicated with a through physical absorption filtering layer 24, caged shape anelectrode 23 and water penetration barrier film 21 add aquaporin, add aquaporin and be provided with plug 26 and the push rod 27 of plug can be moved up and down。
Embodiment five
The purification kettle of the present embodiment is the improvement on above-described embodiment basis, is different in that with above-described embodiment: as shown in Figure 4, and the electrolysis power 3 of the present embodiment is located at kettle body outer bottom and is made as one with kettle body。
Embodiment six
The purification kettle of the present embodiment is the improvement on above-described embodiment basis, it is different in that with above-described embodiment: as shown in Figure 5, the electrolysis power 3 of the present embodiment is located in an external base, by being separately positioned on the concavo-convex conductive socket socket connection conducting on kettle body outer bottom and base between electrolysis power 3 and anodic-cathodic。
Embodiment seven
The purification kettle of the present embodiment is the improvement on above-described embodiment basis, is different in that with above-described embodiment: as shown in Figure 6, and the kettle body of the present embodiment is made up of metal material, and negative electrode 22 and kettle body are made as one。
The kettle that purifies of the present invention is not limited to the concrete technical scheme described in above-described embodiment, such as: 1) electrolysis power 3 is the direct current pulse power source of high level narrow spaces or the forward voltage level component pulse-changing power more than backward voltage level;2) anelectrode 23 is to be coated with platinum group oxide by activated carbon or activated carbon and titanium material to be composited;3) technical scheme of each embodiment above-mentioned of the present invention combined crosswise can form new technical scheme each other, etc.。All employings are equal to the technical scheme replacing formation and are the protection domain of application claims。

Claims (10)

1. one kind purifies kettle, including at least one pair of anodic-cathodic, the electrolysis power powered for described anodic-cathodic and kettle, water penetration barrier film it is provided with between paired negative electrode and anelectrode, it is characterized in that: described water penetration barrier film is the water penetration barrier film that non-conductive material is made, described water penetration barrier film has the permeable micropore of uniform pore size, the caged electrode that described negative electrode and anelectrode are all integrally fixed on kettle cover medial surface and bottom protrudes out in kettle body, described negative electrode is shaped with opening of sieve, described anelectrode is located in described negative electrode, the full tilt of described water penetration barrier film is located on described anelectrode, in use, described negative electrode immerses in the water in described kettle body, the infiltration water that described anelectrode is only permeated by described water penetration barrier film with described kettle body contacts。
2. purify kettle according to claim 1, it is characterised in that: described water penetration barrier film is hydrophilic water penetration barrier film。
3. purify kettle according to claim 2, it is characterised in that: when using electric discharge, described permeable micropore forms plasma discharge。
4. purify kettle according to claim 3, it is characterised in that: when using electric discharge, each permeable micropore is respectively formed plasma discharge。
5. the arbitrary described purification kettle according to Claims 1-4, it is characterised in that: it is embedded with the first wire of connection anelectrode and electrolysis power and the second wire connecting negative electrode and electrolysis power in the handle of described kettle。
6. the arbitrary described purification kettle according to Claims 1-4, it is characterised in that: described pot lid has for described kettle body by described water penetration barrier film permeate infiltration water discharge enter discharge outlet。
7. the arbitrary described purification kettle according to Claims 1-4, it is characterised in that: it is provided with physical absorption filtering layer in the caged space of described anelectrode。
8. the arbitrary described purification kettle according to Claims 1-4, it is characterized in that: described in enter that discharge outlet is communicated with a through physical absorption filtering layer, anelectrode and water penetration barrier film add aquaporin, described in add aquaporin and be provided with plug and the push rod of plug can be moved up and down。
9. the arbitrary described purification kettle according to Claims 1-4, it is characterised in that: described electrolysis power is located at kettle body outer bottom and is made as one with kettle body。
10. the arbitrary described purification kettle according to Claims 1-4, it is characterized in that: described electrolysis power is located in an external base, by being separately positioned on the concavo-convex conductive socket socket connection conducting on kettle body outer bottom and base between described electrolysis power and anodic-cathodic。
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