CN105686703A - Fruit and vegetable cleaning machine - Google Patents
Fruit and vegetable cleaning machine Download PDFInfo
- Publication number
- CN105686703A CN105686703A CN201610215338.8A CN201610215338A CN105686703A CN 105686703 A CN105686703 A CN 105686703A CN 201610215338 A CN201610215338 A CN 201610215338A CN 105686703 A CN105686703 A CN 105686703A
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- fruit
- water
- barrier film
- vegetable
- penetration barrier
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- 235000012055 fruits and vegetables Nutrition 0.000 title abstract 10
- 238000004140 cleaning Methods 0.000 title abstract 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 202
- 238000005868 electrolysis reaction Methods 0.000 claims abstract description 15
- 230000004888 barrier function Effects 0.000 claims description 86
- 230000035515 penetration Effects 0.000 claims description 70
- 238000000034 method Methods 0.000 claims description 33
- 239000007788 liquid Substances 0.000 claims description 16
- 230000008569 process Effects 0.000 claims description 13
- 239000011148 porous material Substances 0.000 claims description 12
- 230000008595 infiltration Effects 0.000 claims description 10
- 238000001764 infiltration Methods 0.000 claims description 10
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 6
- 239000012811 non-conductive material Substances 0.000 claims description 5
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 3
- 239000002033 PVDF binder Substances 0.000 claims description 3
- HGWOWDFNMKCVLG-UHFFFAOYSA-N [O--].[O--].[Ti+4].[Ti+4] Chemical compound [O--].[O--].[Ti+4].[Ti+4] HGWOWDFNMKCVLG-UHFFFAOYSA-N 0.000 claims description 3
- 238000005253 cladding Methods 0.000 claims description 3
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- 229910021641 deionized water Inorganic materials 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 230000010355 oscillation Effects 0.000 claims description 3
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- 239000003361 porogen Substances 0.000 claims description 3
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical class [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 5
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- 229910052760 oxygen Inorganic materials 0.000 description 5
- 239000001301 oxygen Substances 0.000 description 5
- 238000006722 reduction reaction Methods 0.000 description 5
- 239000003403 water pollutant Substances 0.000 description 5
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 4
- 150000001450 anions Chemical class 0.000 description 4
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- 239000007795 chemical reaction product Substances 0.000 description 3
- 238000005660 chlorination reaction Methods 0.000 description 3
- 125000001309 chloro group Chemical group Cl* 0.000 description 3
- 230000000593 degrading effect Effects 0.000 description 3
- 238000002309 gasification Methods 0.000 description 3
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 3
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 231100000419 toxicity Toxicity 0.000 description 3
- 230000001988 toxicity Effects 0.000 description 3
- XTEGARKTQYYJKE-UHFFFAOYSA-M Chlorate Chemical compound [O-]Cl(=O)=O XTEGARKTQYYJKE-UHFFFAOYSA-M 0.000 description 2
- 241000219112 Cucumis Species 0.000 description 2
- 235000015510 Cucumis melo subsp melo Nutrition 0.000 description 2
- 206010020843 Hyperthermia Diseases 0.000 description 2
- FJJCIZWZNKZHII-UHFFFAOYSA-N [4,6-bis(cyanoamino)-1,3,5-triazin-2-yl]cyanamide Chemical compound N#CNC1=NC(NC#N)=NC(NC#N)=N1 FJJCIZWZNKZHII-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000001580 bacterial effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
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- 238000013461 design Methods 0.000 description 2
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- 230000035622 drinking Effects 0.000 description 2
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- 239000012458 free base Substances 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- -1 hydroxyl radical free radical Chemical class 0.000 description 2
- 230000036031 hyperthermia Effects 0.000 description 2
- WQYVRQLZKVEZGA-UHFFFAOYSA-N hypochlorite Chemical compound Cl[O-] WQYVRQLZKVEZGA-UHFFFAOYSA-N 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 238000001471 micro-filtration Methods 0.000 description 2
- 239000013580 millipore water Substances 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
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- 230000036647 reaction Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 102000010637 Aquaporins Human genes 0.000 description 1
- 108010063290 Aquaporins Proteins 0.000 description 1
- 208000031872 Body Remains Diseases 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 229910002651 NO3 Inorganic materials 0.000 description 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- YASYVMFAVPKPKE-UHFFFAOYSA-N acephate Chemical compound COP(=O)(SC)NC(C)=O YASYVMFAVPKPKE-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000013543 active substance Substances 0.000 description 1
- 238000011949 advanced processing technology Methods 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 238000011001 backwashing Methods 0.000 description 1
- 244000052616 bacterial pathogen Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000090 biomarker Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- SXDBWCPKPHAZSM-UHFFFAOYSA-M bromate Inorganic materials [O-]Br(=O)=O SXDBWCPKPHAZSM-UHFFFAOYSA-M 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 230000019771 cognition Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
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- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000003487 electrochemical reaction Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 230000005281 excited state Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000000796 flavoring agent Substances 0.000 description 1
- 235000019634 flavors Nutrition 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 150000008282 halocarbons Chemical class 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 230000002779 inactivation Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 238000001728 nano-filtration Methods 0.000 description 1
- 231100000957 no side effect Toxicity 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 238000010534 nucleophilic substitution reaction Methods 0.000 description 1
- 230000033116 oxidation-reduction process Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000000447 pesticide residue Substances 0.000 description 1
- 150000002989 phenols Chemical class 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 229910001924 platinum group oxide Inorganic materials 0.000 description 1
- 239000002574 poison Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000003389 potentiating effect Effects 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
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- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000001223 reverse osmosis Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
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- 230000001954 sterilising effect Effects 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 238000010301 surface-oxidation reaction Methods 0.000 description 1
- 239000000271 synthetic detergent Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 238000000108 ultra-filtration Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J43/00—Implements for preparing or holding food, not provided for in other groups of this subclass
- A47J43/24—Devices for washing vegetables or the like
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Food Science & Technology (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
The invention relates to a fruit and vegetable cleaning machine, and belongs to the technical field of domestic drinking water quality deep treatment.The fruit and vegetable cleaning machine comprises at least one pair of negative and positive electrodes, an electrolysis power supply for supplying power to the negative and positive electrodes and a fruit and vegetable cleaning basin; water-permeable diaphragms are arranged between the paired negative electrodes and positive electrodes, the negative electrodes are fixed on the inner side wall of the fruit and vegetable cleaning basin, the positive electrodes are arranged at the bottom of the fruit and vegetable cleaning basin, and the water-permeable diaphragms fully cover and wrap the positive electrodes.When the fruit and vegetable cleaning machine is used, the positive electrodes only make contact with permeated water permeated by the water-permeable diaphragms in the fruit and vegetable cleaning basin.The fruit and vegetable cleaning machine can safely and efficiently degrade residual pesticides and insecticides in food such as fruits and vegetables.
Description
Technical field
The present invention relates to a kind of fruit-vegetable cleaner, 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。
When utilizing existing home terminal tap water to be carried out vegetable and melon and fruit, existing home terminal tap water itself has pollution, meanwhile, and vegetable and the pesticide of residual and toxic heavy metal or inorganic matter in melon and fruit。For vegetable and fruit Pesticides of degrading, adopt following two:
Mechanical type fruit-vegetable cleaner: remove the pesticide etc. being attached to vegetable and fruit surface in the way of water circulation backwashing manner or vibration of ultrasonic wave, shortcoming is that removal pesticide efficiency is low。
Ozone type fruit-vegetable cleaner: by producing ozone, utilizing the strong oxidation of ozone, degrading pesticide efficiency is better than mechanical type fruit-vegetable cleaner。But, the fatal problem of ozone oxidation is with pungent abnormal flavour, is especially likely to generate strong carcinogen-bromate。
Therefore, be badly in need of developing a kind of use home terminal tap water, can efficiently, residual pesticide, insecticide in the food such as safe disposal fruit and vegerable, thus wholesome fruit-vegetable cleaner。
Summary of the invention
First this invention address that technical problem is that, not enough for prior art, it is proposed to the fruit-vegetable cleaner of residual pesticide and insecticide in the food such as a kind of degradable fruit and vegerable。
Second this invention address that technical problem is that, is solving on above-mentioned first technical problem basis, not enough for prior art, it is proposed to a kind of in food such as fruit and vegerable residual pesticide and insecticide less produce the fruit-vegetable cleaner of toxic byproduct when degrading。
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 first technical problem, the present inventor proposes following technical scheme on the basis of above-mentioned cognition: a kind of fruit-vegetable cleaner, including at least one pair of anodic-cathodic, the electrolysis power powered for described anodic-cathodic and fruit-vegetable clear washbasin body, water penetration barrier film it is provided with between paired negative electrode and anelectrode, it is characterized in that: described negative electrode is fixed in described fruit-vegetable clear washbasin body on sidewall, described anelectrode is located at the bottom place in described fruit-vegetable clear washbasin body, described water penetration barrier film completely hides the described anelectrode of cladding, in use, described anelectrode is only contacted by the infiltration water of described water penetration barrier film infiltration with in described fruit-vegetable clear washbasin body。
The fruit-vegetable cleaner technical scheme of the invention described above provides the benefit that: the negative electrode of apparatus of the present invention is fixed in fruit-vegetable clear washbasin body on sidewall, anelectrode is only contacted with the infiltration water permeated by water penetration barrier film in fruit-vegetable clear washbasin body, ensureing on the basis that the cell reaction of apparatus of the present invention is normally carried out, anode direct oxidation reaction is transferred to and carries out outside container (fruit-vegetable clear washbasin body), 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。
In addition, anelectrode is located at the bottom place in fruit-vegetable clear washbasin body, anelectrode is only contacted with the infiltration water permeated by water penetration barrier film in fruit-vegetable clear washbasin body, source water in fruit-vegetable clear washbasin 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。Simultaneously, negative electrode is fixed in fruit-vegetable clear washbasin body on sidewall, can by the cathode reaction of negative electrode, water generates a large amount of ultramicro air bubble based on hydrogen, the oxidation-reduction potential of water quickly reduces, alkalescence increases, water tends to being subset bunch, the characteristics such as the surface tension of water, emulsibility are substantially improved, including orthene with machine phosphorus insecticide and mostly contain P=S and C=O double bond, when above-mentioned water characteristic, nucleopilic reagent easily makes its double bond rupture, there is SN2 nucleophilic substitution, make residual pesticide accelerated degradation。Therefore, the negative pollutant in water, by negative electrode degraded and anelectrode voltage effect, move to the outer anode region of container, and in container, content is few, and comprehensive treatment effect is splendid。
The present invention solves above-mentioned second technical problem, to the improvement of technique scheme be: described water penetration barrier film is the water penetration barrier film that non-conductive material is made, and described water penetration barrier film has the permeable micropore of uniform pore size。
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.。
Working mechanism and the beneficial effect of fruit-vegetable cleaner technical scheme disclosed in the invention described above are presented below。
Apparatus of the present invention architectural feature is, referring to Fig. 1, with water penetration barrier film for boundary, sets up the anodic-cathodic pair inside and outside water penetration barrier film separately: negative electrode is fixed in fruit-vegetable clear washbasin body on sidewall, and anelectrode is located at the bottom place in fruit-vegetable clear washbasin body。
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 (fruit-vegetable clear washbasin body)。
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 fruit-vegetable cleaner technical scheme 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) microorganism in water in fruit-vegetable clear washbasin body, is inactivated by the electric field action of U3 between the negative electrode in water penetration barrier film and container；3) 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；4) in fruit-vegetable clear washbasin body, use home terminal tap water, can efficiently, residual pesticide, insecticide in the food such as safe disposal fruit and vegerable, it is ensured that the safety that fruit and vegerable clean, and simple in construction, realization facilitate。
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 2, 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 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 great sterilizing ability, the degradation efficiency being greatly improved in water body pollutant。
The present invention improving on technique scheme basis one is: described fruit-vegetable clear washbasin body is metal basin body, and described negative electrode and fruit-vegetable clear washbasin system are integrated。
The present invention improving on technique scheme basis two is: be provided with current effluent accelerator on described fruit-vegetable clear washbasin body sidewall。
The present invention improving on technique scheme basis three is: described anelectrode is to have some through hole tubular anelectrodes。
The present invention improving on technique scheme basis four is: the permeable aperture of described water penetration barrier film 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 described water penetration barrier film。
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。
The present invention improving on technique scheme basis five is: described water penetration barrier film is the barrier film by making according to following steps:
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) described 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。
Concrete practical function is: for making electric discharge in film be prone to carry out, it is required that water penetration barrier film has the micropore of uniform pore size, this can by being modified acquisition to existing water penetration barrier film, water penetration barrier film adopts titania modified technology, by adopting irradiation technique to increase nano titanium oxide hydrophilic monomer at ultrafiltration membrane surface, improve 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, also effectively prevent the deterioration being easily caused biological index because electric current density is excessive。
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the fruit-vegetable cleaner of the present invention is described further。
Fig. 1 is the inside partial structurtes schematic diagram of the fruit-vegetable cleaner of the embodiment of the present invention one。
Fig. 2 is the permeable microcellular structure schematic diagram in the water penetration barrier film of Fig. 1。
Detailed description of the invention
Embodiment one
The fruit-vegetable cleaner 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 fruit-vegetable clear washbasin body 1, it is provided with water penetration barrier film 21 between paired negative electrode 22 and anelectrode 23, negative electrode 22 is fixed on fruit-vegetable clear washbasin body 1 medial wall, anelectrode 23 is located at the bottom place in fruit-vegetable clear washbasin body 1, and water penetration barrier film 21 is full hides cladding anelectrode 23。In use, anelectrode 23 is only contacted by the infiltration water of water penetration barrier film 21 infiltration with in fruit-vegetable clear washbasin body 1。
The water penetration barrier film 21 of the present embodiment 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 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 passing through to be modified producing acquisition to water penetration barrier film 21, 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) barrier film is placed in the pure water tank being applied with 10kv DC pulse high pressure and processes 1 hour。
Negative electrode 22 and the fruit-vegetable clear washbasin body 1 of the present embodiment are made as one。Hydrophilic water penetration barrier film selected by the water penetration barrier film 21 of the present embodiment。Less than or equal to 2 millimeters and be more than or equal to 1 nanometer and in water penetration barrier film 21, the permeable aperture size of all micropores differs each other each other less than 20% in the permeable aperture of the water penetration barrier film 21 of the present embodiment。Preferred ultrafilter membrane。
One, experiment 1
Fruit-vegetable clear washbasin 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, constant current 800mA is provided, water penetration barrier film 21 adopts ultrafilter membrane, negative electrode 22 to be located at the bottom place in fruit-vegetable clear washbasin。
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 fruit-vegetable cleaner 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 fruit-vegetable clear washbasin, 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 fruit-vegetable cleaner 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。
The fruit-vegetable cleaner 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) fruit-vegetable clear washbasin body 1 sidewall is provided with current effluent accelerator 7；4) anelectrode 23 is to have some through hole tubular anelectrodes；5) 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. a fruit-vegetable cleaner, including at least one pair of anodic-cathodic, the electrolysis power powered for described anodic-cathodic and fruit-vegetable clear washbasin body, water penetration barrier film it is provided with between paired negative electrode and anelectrode, it is characterized in that: described negative electrode is fixed in described fruit-vegetable clear washbasin body on sidewall, described anelectrode is located at the bottom place in described fruit-vegetable clear washbasin body, described water penetration barrier film completely hides the described anelectrode of cladding, in use, described anelectrode is only contacted by the infiltration water of described water penetration barrier film infiltration with in described fruit-vegetable clear washbasin body。
2. fruit-vegetable cleaner according to claim 1, it is characterised in that: described water penetration barrier film is the water penetration barrier film that non-conductive material is made, and described water penetration barrier film has the permeable micropore of uniform pore size。
3. fruit-vegetable cleaner according to claim 2, it is characterised in that: described water penetration barrier film is hydrophilic water penetration barrier film。
4. fruit-vegetable cleaner according to claim 3, it is characterised in that: described permeable micropore is formed plasma discharge。
5. fruit-vegetable cleaner according to claim 4, it is characterised in that: when using electric discharge, each permeable micropore is respectively formed plasma discharge。
6. the arbitrary described fruit-vegetable cleaner according to claim 1 to 5, it is characterised in that: described fruit-vegetable clear washbasin body is metal basin body, and described negative electrode and fruit-vegetable clear washbasin system are integrated。
7. the arbitrary described fruit-vegetable cleaner according to claim 1 to 5, it is characterised in that: described fruit-vegetable clear washbasin body sidewall is provided with current effluent accelerator。
8. the arbitrary described fruit-vegetable cleaner according to claim 1 to 5, it is characterised in that: described anelectrode is to have some through hole tubular anelectrodes。
9. the arbitrary described fruit-vegetable cleaner according to claim 1 to 5, it is characterised in that: the permeable aperture of described water penetration barrier film 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 described water penetration barrier film。
10. the arbitrary described fruit-vegetable cleaner according to claim 1 to 5, it is characterised in that: described water penetration barrier film is the barrier film by making according to following steps:
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) described 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。
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| CN2015105976359 | 2015-09-20 | ||
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| CN201620287663.0U Active CN205625709U (en) | 2015-09-20 | 2016-04-08 | Fruit and vegetable cleaning machine |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106538932A (en) * | 2016-10-27 | 2017-03-29 | 中扶当代建筑（北京）有限公司 | The method that a kind of micro- electric water of use subset carries out fruit and vegerable cleaning |
| CN114680349A (en) * | 2020-12-31 | 2022-07-01 | 广东美的白色家电技术创新中心有限公司 | Cleaning device |
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| CN105686703A (en) * | 2015-09-20 | 2016-06-22 | 大连双迪创新科技研究院有限公司 | Fruit and vegetable cleaning machine |
| CN107182163A (en) * | 2017-04-18 | 2017-09-19 | 中国科学院合肥物质科学研究院 | A kind of plasma producing apparatus for purification water tank |
| CN109824119A (en) * | 2018-08-09 | 2019-05-31 | 广州铂胜科技有限公司 | A kind of adaptive water treatment device and processing method of fruits and vegetables detoxification machine |
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