CN103938414A - Washing power-assisting device - Google Patents
Washing power-assisting device Download PDFInfo
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- CN103938414A CN103938414A CN201410146418.3A CN201410146418A CN103938414A CN 103938414 A CN103938414 A CN 103938414A CN 201410146418 A CN201410146418 A CN 201410146418A CN 103938414 A CN103938414 A CN 103938414A
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/46104—Devices therefor; Their operating or servicing
- C02F1/4618—Devices therefor; Their operating or servicing for producing "ionised" acidic or basic water
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/46104—Devices therefor; Their operating or servicing
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/469—Treatment of water, waste water, or sewage by electrochemical methods by electrochemical separation, e.g. by electro-osmosis, electrodialysis, electrophoresis
- C02F1/4698—Treatment of water, waste water, or sewage by electrochemical methods by electrochemical separation, e.g. by electro-osmosis, electrodialysis, electrophoresis electro-osmosis
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/46104—Devices therefor; Their operating or servicing
- C02F1/4618—Devices therefor; Their operating or servicing for producing "ionised" acidic or basic water
- C02F2001/46185—Devices therefor; Their operating or servicing for producing "ionised" acidic or basic water only anodic or acidic water, e.g. for oxidizing or sterilizing
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/46104—Devices therefor; Their operating or servicing
- C02F1/4618—Devices therefor; Their operating or servicing for producing "ionised" acidic or basic water
- C02F2001/4619—Devices therefor; Their operating or servicing for producing "ionised" acidic or basic water only cathodic or alkaline water, e.g. for reducing
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/46—Apparatus for electrochemical processes
- C02F2201/461—Electrolysis apparatus
- C02F2201/46105—Details relating to the electrolytic devices
- C02F2201/46115—Electrolytic cell with membranes or diaphragms
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- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Hydrology & Water Resources (AREA)
- General Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Electrochemistry (AREA)
- Organic Chemistry (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
- Textile Engineering (AREA)
- Health & Medical Sciences (AREA)
- Analytical Chemistry (AREA)
- Molecular Biology (AREA)
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
Abstract
The invention relates to a washing power-assisting device, and belongs to the technical field of washing. The washing power-assisting device comprises an electrolysis power supply and a water quality adjustment unit arranged on the outside of a washing device, wherein the water quality adjustment unit comprises at least a cathode electrode and an anode electrode in pairs, the electrolysis power supply is used for supplying power to the cathode electrode and the anode electrode, a water-pervious diaphragm is arranged between the cathode electrode and the anode electrode which are in pair, the water-pervious hole diameter of the water-pervious diaphragm is smaller than or equal to 2 millimeters and larger than or equal to 1 nanometer, and the distance between the cathode electrode and the anode electrode is larger than or equal to the thickness of the water-pervious diaphragm and smaller than or equal to 20 millimeters. The washing power-assisting device can generate a large number of ultramicro bubbles whose content is mainly hydrogen and super-oxidized factors and has good reducing washing water; a water in-out port of the water quality adjustment unit and the external washing device form a sealed water supply and discharge channel, circulating water flow is maintained in the washing process, water quality is adjusted continuously, and the effects of using washing agents as few as possible or even being free of using the washing agents, saving water and reducing emission are achieved.
Description
Technical field
The present invention relates to a kind of wash mill, belong to washing technology field.
Background technology
In domestic water total amount, laundry water accounts for 1/3rd.In laundrywastes, a large amount of washing powder is residual, the lasting harm to environment especially.Some rivers and lakes eutrophication, 20% comes from washing powder.Therefore, develop practicablely strengthen the decontamination washability of slurry, with few use and even without technology and the device of washing powder, there is the extremely meaning of reality.
Put into effect and enforcement in 2009 without the washing machine national standard of washing powder.What emerged so far has without washing powder washing machine technology:
1) there is barrier film electrolysis tech
Be alkalescent water (pH value is between 9-11, is equivalent to washing powder and is melted into the alkalescent water after water) by water electrolysis, with clothing dirt generation saponification, and make laundry water produce active oxygen and hydrochloric acid;
2) ultrasonic technology;
3) ozone technology, or ozone+biological enzyme technology;
3) put the auxiliary technology of rubbing of washing ball;
4) washing machine built-in electromagnetic device makes magnetic water technology, etc.
The above-mentioned existing deficiency without washing powder washing machine technology is:
1) be mainly that it is on average cleaned than generally reaching under 0.6 to 0.7(GB and be limited to 0.7 for getting dirty and not serious clothing), washing force is not strong;
2) for the key factor that affects washing quality---hardness of water, all without the softening effect of improving;
3) owing to being installed in washing machine, bring problems, for example easily break down and be difficult to maintenance, cost performance reduce, etc.;
4) only for producer's product separately, can not be common to other washing machine;
5) do not consider to wash pollution processing and the reuse of draining.
Summary of the invention
The technical problem that the present invention solves is: propose one and can generate and contain a large amount of ultramicro air bubbles and strong oxidation factor and there is fabulous reducibility slurry, thereby by from outside the washing water supply to wash mill and draining process and control to reach few use and even the washing power assisting device without washing agent water-saving and emission-reducing.
In order to solve the problems of the technologies described above, the technical scheme that the present invention proposes is: a kind of washing power assisting device, comprise electrolysis power and the water quality adjustment unit of being located at existing wash mill outside, one of water inlet of described water quality adjustment unit is communicated with outside water supply pipe, the delivery port of described water quality adjustment unit is communicated with the water filling port of described wash mill, described water quality adjustment unit comprises at least one pair of negative electrode and positive electrode, and described electrolysis power is for powering to described negative electrode and positive electrode; Between paired negative electrode and positive electrode, be provided with water permeability barrier film, the permeable aperture of described water permeability barrier film is less than or equal to 2 millimeters and be more than or equal to 1 nanometer, and the spacing of described negative electrode and positive electrode is more than or equal to the thickness of described water permeability barrier film and is less than or equal to 20 millimeters.
The barrier film of water permeability described in technique scheme is also water permeable membrane, refer to permeable aperture permeable barrier film of (it is 2 millimeters of-1 nanometers that the present invention limits permeable pore diameter range) from grade to nanoscale, comprise the various filter membranes that daily water treatment is used, as: milipore filter (UF), NF membrane (NF) and micro-filtration membrane (MF), etc.
Below first washing core component in power assisting device technical scheme with regard to the present invention---working mechanism and the beneficial effect of water quality adjustment unit are stated:
The ionic membrane of the water permeability barrier film in apparatus of the present invention unconventional employing, but in water electrolysis field unused a kind of barrier film, the inventor innovates water permeability barrier film is introduced in water quality adjustment unit as the interelectrode barrier film of yin, yang.We think that the course of reaction of water quality adjustment of the present invention unit in the time of work, except conventional electrolysis course of reaction, produced a new important course of reaction, i.e. water body low pressure cold plasma discharge course of reaction thus.Make a concrete analysis of as follows:
1, the equivalent model of eletrode tip diameter curvature and water permeable membrane pore diameter
In water body electric discharge, bring out water applying plasma and produce and often need to give an initial high voltage exciting, affect one of initial voltage principal element and be the parameter of sparking electrode.Under equal conditions electrode material, discharging distance, electrode diameter (electrode curvature radius) have impact to initial excitation voltage.Along with reducing of electrode diameter, initial excitation voltage reduces.From another angle, under additional same electrical press strip part, the more little severe degree that is more conducive to strengthen free-radical generating in gas ions passage of electrode diameter.In the present invention, between anodic-cathodic, there is one deck water permeability barrier film, barrier film has the hole of numerous permeable diameter very little (grade and even nanoscale), sees and can be considered the point discharge that the discharge in water reaction equivalence of electrode is on a large scale decomposed into numerous very shallow curvature radius electrode from macroscopic view.And then greatly reduce the initial voltage of activated plasma reaction.
In water, can generate a large amount of ultramicro air bubbles when electrolysis, wherein have bubble hydrogen also to have oxygen bubbles.And the shelf depreciation of bubble can greatly increase the generation of reactivity molecule and be easy to produce the free radicals such as hydroxyl, thus the reaction efficiency of raising discharge in water.Need field intensity in bubble higher than in water but produce electric discharge in bubble, require overall electric field more even; In the present invention, water permeability barrier film is decomposed into two groups of large electrodes of negative and positive without array sub-electrode, but material, the voltage of all sub-electrodes are all identical.This just ensures evenly to arrange at macroscopical field entirety electric field, and the bubble that electrolysis produces suffered electric field in uphill process is more even, has ensured the high efficiency of exoelectrical reaction.
2, enlarge active surface, improves reaction efficiency in water
As everyone knows, the equal object that cumulative volume is identical, more overall the individuality that is divided into specific area be larger.In like manner, the present invention with do not add water permeability barrier film electrode discharge situation is contrasted, in the situation that producing equivalent gas, the microbubble volume that water electrolysis produces in numerous ultramicropore is far smaller than same homalographic and does not add the bubble volume that permeable barrier film produces electrolysis, and number of bubbles is also far away more than it.This has just effectively increased the specific area of gas-liquid two-phase contact.And we know, the various oxidation factor (as: hydroxyl) that plasma generates mainly occur in the contact-making surface of gas-liquid two-phase.That is to say: the contact area of gas-liquid two-phase is larger, the generation of oxidation factor is more and reaction is more abundant, and organic degraded in water, microbial disinfection effect are better, have further improved the final efficiency of discharge in water reaction.
Traditional water body plasma discharge technology for producing water body plasma discharge, often imports gas by outside in water, and imposes and add high intensity pulses voltage or hot conditions.The present invention innovates the countless small water storage space that plasma discharge is directed to water permeability barrier film and carries out, rely on the gas that water electrolysis liberation of hydrogen, oxygen evolution reaction are generated, enter and in film, bring out water body self gasification, and then inspire efficient water body plasma discharge with minimum voltage, its meaning is not only the raising of efficiency, has also effectively prevented because of the excessive deterioration that easily causes biological index of current density.
In the water quality adjustment unit of apparatus of the present invention, cause the initial excitation voltage of discharge in water to increase if the permeable aperture of water permeability barrier film excessive (being that micropore space is excessive) is equivalent to the covert electrode diameter (electrode curvature radius) that increased, and make to produce bubble volume and become and reduced greatly the catalytic specific area of gas-liquid two-phase.And the permeable aperture of water permeability barrier film too small (being that micropore space is too small), can make electrolysis aerogenesis occur or gas producing efficiency extremely low, littlely can cause to a certain extent in barrier film the point discharge of numerous small curvature radius electrode in each micropore normally to carry out.Therefore,, through inventor's repetition test, determine that permeable pore diameter range is 2 millimeters of-1 nanometers.
In the water quality adjustment unit of apparatus of the present invention, under equal voltage condition, in distance less (thickness of the distance=film under extreme case between anodic-cathodic) water between anodic-cathodic, electric-field intensity is larger, interelectrode plasma channel more easily forms, cold plasma generation efficiency is higher, and the oxidation factor of generation is more.For example, and film can very thin (milipore filter can be accomplished 0.1mm～0.3mm), the decomposition voltage under Condition such as Gong such as Tong Deng can be very low, even only with a 3.7V lithium battery power supply, can form 2 amperes of above operating currents, and prior art cannot be accomplished.Otherwise, widen the distance between anodic-cathodic, the corresponding minimizing of oxidation factor of generation, especially the generation probability of ozone class strong oxidizer has declined.We know, ozone results from a large number oxygen and passes through region of discharge with bubble form.Anodic-cathodic spacing increases, and the probability that anode precipitated oxygen enters in the film in plasma discharge state reduces, and contrast ozone has just reduced.The oxidation factor generating in water, shows as hydroxy kind transient state oxidation factor more.This is required exactly in some water occasion.But the excessive reduction that brings again efficiency of spacing, even in film, discharge process cannot carry out.Therefore,, through inventor's repetition test, in washing power assisting device, the spacing of negative electrode and positive electrode is more than or equal to the thickness of described water permeability barrier film and is less than or equal to 20 millimeters for best.
The beneficial effect of summarizing the washing power assisting device technical scheme of the invention described above is: the present invention is by being arranged on the water permeability barrier film with certain pore size between cathode and anode, bring beyond the conventional electrolysis course of reaction and in water permeability barrier film, in micropore, formed the reaction of water body low pressure cold plasma discharge, thereby can in water, generate efficiently the transient state oxidation factor of tool sterilizing ability.Existing wash mill outside is located in water quality adjustment unit, by water quality adjustment unit, slurry is carried out to water quality adjustment, the practical function specifically reaching is:
1) in water, be formed with in a large number taking hydrogen as main ultramicro air bubble, producing vibration through constantly breaking in clothing uphill process, dirt by attached work on clothing stirs and washes away removal with current after smashing, and pulls out, and makes dirt better dissolve in water and is taken away by water, because hydrogen has extremely strong penetration power, can the degree of depth arrive each position, inside of washings, dirt is peeled off and cleaned up, can make clothes refreshing, the few chemical residual of clean Minus and pollution, and make its soft fluffy more;
2) the water oxygen factor can be strengthened the washing removing effect to water pollutant, when for strong pollutant slurry occasion, δ is less, correlated response is fiercer, washing, disinfection effect is better, and owing to there being strong bubble to wash away between negative electrode and film, the calcium ions and magnesium ions in the water of source and contamination with wash thing are gone out, contribute on the contrary to prevent the obstruction between negative electrode and film;
3) through electrolysis, the micel of water is diminished, degree of association declines, and penetrability and solvent enhancing are penetrated into the deep layer of clothing, play moistening, emulsification, dispersion, solubilization, are equivalent to realize to a certain extent the effect of surfactant;
4) in the water after electrolysis, OH_ concentration increases, and the ability of cleaning greasy dirt of water is strengthened, and grease, under alkali condition, saponification occurs, and produces glycerine and higher fatty acid salt (having the composition of soap);
5) if traditional hardness of water is larger, can affect clean result, the clothing of the washing knot tying of can hardening, so for slurry, by being all will accuse through methods such as resins exchange to enter water demineralization processing, but in apparatus of the present invention, calcium-magnesium ratio compound in former water is ionized and follows ultramicro air bubble and washings to rub under electrolysis, play certain kneading action, that is, hardness of water becomes on the contrary the useful factor of strengthening clean result in apparatus of the present invention, in addition, due to bubble wash away and washing process in keep circulating of water, calcium ions and magnesium ions is also difficult for adhering to fouling on (negative electrode) electrode,
The inventor finds in further investigation and practice, existing about strengthening clean result and even so-called exempt from the correlation technique of washing powder, in washing process, again Xian Di water do not done to continue circular treatment, and this is the another major reason that clean result is had a greatly reduced quality.Therefore, the improvement of the present invention on technique scheme basis is: the water inlet of the pump mouth of described wash mill and water quality adjustment unit two between be also provided with suction pump.
Water after washing can be extracted out by suction pump from wash mill, then by two → wash mill of the water inlet of suction pump → water quality adjustment unit.As the above analysis, the core cell in apparatus of the present invention---water quality adjustment unit, plays vital effect for improving slurry performance.In washing process, owing to remaining circulating of water, the bubble in water and oxidation factor are maintained and supplement, and are strengthened by water quality adjustment unit.
The further improvement of the present invention on technique scheme basis is: described water permeability barrier film is dielectric water permeability barrier film.This is because in most cases, wish that the oxidation factor producing in water is The more the better.The good water permeability barrier film of electric conductivity easily affects effect that discharge in water reacts and the kind of product in the time of exoelectrical reaction with close electrode formation combination electrode, uncontrollable factor is more, therefore preferred dielectric water permeability barrier film.
Further improving again of the invention described above technical scheme is: in described negative electrode, have the first through hole, the aperture of described the first through hole is more than or equal to 1 millimeter.By such improvement, can be conducive to cathode reaction and more fully carry out, and the bubble hydrogen that region between negative electrode and barrier film is produced is better derived.
The further improvement of the invention described above technical scheme is: described water permeability barrier film has the second through hole, and the aperture of described the second through hole is greater than 2 millimeters.The bubble that can be conducive to produce by such improvement is better derived, especially in anodic-cathodic and hour its bubble derivation better effects if of water permeability barrier film spacing.The permeable hole difference of the second through hole and water permeability barrier film self is: permeable hole is that barrier film self is intrinsic, and the second through hole is to make separately in addition.
In the oxidation factor generating in some water occasion is wished water, the composition of hydrogen peroxide can be more, can select carbonaceous material film (for example having the active carbon fiber fabrics of certain electric conductivity).Now carbonaceous barrier film is equivalent to a target, negative electrode (be equivalent between carbonaceous barrier film and negative electrode an active carbon anode-metallic cathode to) in the middle of being equivalent to by anode-side, and based on activated carbon cathode Fenton, reaction generates more H2O2; Further, we can be by the optimum organization of two-layer above various trait barrier film, controls the generation situation of the water oxygen factor, i.e. effective regulation and control oxidation factor growing amount.Therefore, the invention described above technical scheme is improved one and is: described water permeability barrier film is individual layer water permeability barrier film or multilayer water permeability barrier film.Wherein the concrete material of the one of water permeability barrier film is: described individual layer water permeability barrier film is the individual layer water permeability barrier film that milipore filter or employing carbonaceous material are made.
The invention described above technical scheme perfect: be provided with filter screen and blowoff valve between the pump mouth of described wash mill and suction pump.
The invention described above technical scheme perfect: described electrolysis power is direct current or the component pulse-changing power of the narrow pulsewidth of high level.
Brief description of the drawings
Below in conjunction with accompanying drawing, washing power assisting device of the present invention is described further.
Fig. 1 is the structural representation of the washing power assisting device of the embodiment of the present invention one.
Fig. 2 is the structural representation of the water quality adjustment unit of Fig. 1.
Fig. 3 is the explosive view of Fig. 2.
Fig. 4 is the structural representation of the water quality adjustment unit of the embodiment of the present invention two.
Fig. 5 is the explosive view of Fig. 4.
Detailed description of the invention
Embodiment mono-
The washing power assisting device of the present embodiment, referring to Fig. 1, comprises electrolysis power and the water quality adjustment unit 20 of being located at existing wash mill 10 outsides.One of water inlet of water quality adjustment unit 20 is communicated with outside water supply pipe 40, and the delivery port of water quality adjustment unit 20 is communicated with the water filling port of wash mill 10.
Between the pump mouth of the wash mill 10 of the present embodiment and two of the water inlet of water quality adjustment unit 20, be also provided with suction pump 30.Between the pump mouth of the wash mill 10 of the present embodiment and suction pump 30, be provided with filter screen 50 and blowoff valve 60.The wash mill 10 of the present embodiment can be the washing facilitys such as washing machine, fruit-vegetable cleaner.
As shown in Figures 2 and 3, water quality adjustment unit 20, for having the closed container (electrolytic cell) of water inlet and delivery port, is inside provided with a pair of negative electrode 2 and positive electrode 3, and electrolysis power is for powering to negative electrode 2 and positive electrode 3; Between paired negative electrode 2 and positive electrode 3, be provided with water permeability barrier film 4.
The water permeability barrier film 4 of the present embodiment adopts the individual layer PVDF milipore filter (PVDF membrane) in 0.03 micron, average permeable aperture; Certainly the milipore filter of the present embodiment also can adopt the milipore filter of other materials, and average permeable aperture is being less than or equal to 2 millimeters and be more than or equal between 1 nanometer and all can.Water permeability barrier film 4 is all 1mm with the spacing of yin, yang electrode.
The negative electrode 2 of the present embodiment and positive electrode 3 all adopt titanium base to cover and are coated with the inert electrode that platinum family oxide (coating layer thickness is 0.8 millimeter) is made, and negative electrode 2 and positive electrode 3 are the sheet that is rectangle, size 140mm × 70mm, thickness 1mm.All not perforates of surface of negative electrode 2 and positive electrode 3.
The water permeability barrier film 4 of the present embodiment is dielectric water permeability barrier film.
The electrolysis power of the present embodiment adopts the direct current pulse power source of 30 volts of the narrow pulsewidth voltage stabilizings of high level, also can adopt component pulse-changing power.
The negative electrode 2 of the present embodiment is parallel to each other in water quality adjustment unit 20 with positive electrode 3 and vertical placement.
One, experiment 1
Adopt the water quality adjustment unit 20 of the present embodiment to carry out water electrolysis experiment, the wash mill docking with outside is a mini washing machine of commercially available duckling board (XPB30-40D), the intake-outlet of water quality adjustment unit 20 and the sealing of this washing machine formation supply, draining road, in water quality adjustment unit regulating water quality process, keep water circulation to flow, but agitation wheel for washing machine does not rotate (not washing work).Source water is running water, TDS=170mg/L, and to approximately 30 liters of water fillings in washing machine, electrolysis time is 30 minutes (approximately 6～9 amperes of Faradaic currents), within every 5 minutes, water sampling is measured once.
Below, in experiment, how many underwater bubble amount (intensity) and water oxygen factors adopt qualitative observation procedure
1. the range estimation classification of underwater bubble amount (intensity):
Be relative air bubble content maximum zero～experiment from underwater bubble, be divided into 0～5 grade;
2. the mensuration of the water oxygen factor
As previously mentioned, because oxidation factor retention time in water is very of short duration, the analysis of existing detection method (for example chemical reaction method and prize law) is selective and confidence level is also unsatisfactory.Consider that water quality adjustment of the present invention unit 20 is to be exclusively used in washing power assisting device, what stress to be concerned about is the variation tendency level macroscopic view effect of oxidation factor simultaneously.Therefore repeat experimental work amount for simplifying, researched and developed specially the titrating solution of qualitative understanding water oxygen factor total amount.After being titrated in water by self-control titrating solution, observe the yellowing degree of water body color, be divided into 5 grades, qualitatively judge water oxygen factor content:
Colourless---the corresponding water oxygen factor is zero substantially, is made as 0 grade;
Color is the most yellow---and the corresponding water oxygen factor is relatively maximum, is made as 5 grades;
Be divided into 1,2,3 and 4 grade from the colourless degree difference to the most yellow middle change color of color.
Test 1 result as following table 1:
Table 1
Two, experiment 2
Without the contrast of barrier film/ionic membrane/water permeability barrier film
The water permeability barrier film of the present embodiment 4 and three kinds of situations taking away water permeability barrier film or be replaced by ionic membrane are carried out respectively to water electrolysis, and contrast experiment's condition is:
1) take away the water permeability barrier film 4 between negative electrode 2 and positive electrode 3, make to form non-isolating film state between negative electrode 2 and positive electrode 3, the spacing between negative electrode 2 and positive electrode 3 is 2.0 millimeters (with insulating washer location, maintenance spacing is constant);
2) ionic membrane adopts neutral ion film, and ionic membrane and cathode and anode spacing are respectively 1 millimeter;
3) water permeability barrier film 4 adopts PVDF milipore filter;
4) experiment source water changes the water outlet of commercially available RO water purification machine into, TDS=3mg/L, and pH=6.8, is to above-mentioned approximately 25 liters of the outside duckling washing machine injected waters that closed loop water route connects.
Keep Faradaic current in three kinds of situations to be 2 peaces, electrolysis 15 minutes, experiment 2 the results are shown in table 2.
Table 2
Three, experiment 3
Between test negative electrode and water permeability barrier film, spacing range changes the impact on device operating characteristic
Spacing δ between the negative electrode of the present embodiment 2 and water permeability barrier film 4 is adjusted into respectively: δ
2=9,7,4,1,0 millimeters of five kinds of situations.Other experiment conditions are identical with above-mentioned experiment 2, and experiment 3 the results are shown in table 3.
Table 3
Embodiment bis-
Washing power assisting device and the embodiment mono-of the present embodiment are basic identical, as shown in Figure 4 and Figure 5, the variations different from embodiment mono-are: water quality adjustment unit 20 comprise be parallel to each other and vertical positive electrode 3 placing and and two negative electrodes 2, positive electrode 3 is located at and between two negative electrodes 2, is formed two pairs of interactional negative electrodes 2 and positive electrode 3, the both sides of positive electrode 3 are all glued with water permeability barrier film 4, and the spacing between each water permeability barrier film 4 and adjacent negative electrode 2 is 1mm.
For the clean result of inspection the present embodiment cell arrangement, carry out following test:
1) wash mill of outside docking is a mini washing machine of commercially available duckling board (XPB30-40D), and the intake-outlet of water quality adjustment unit and the sealing of this washing machine formation supply, draining road, keep water circulation to flow in water quality adjustment unit regulating water quality process.Source water is running water, and TDS=170mg/L, to approximately 30 liters of water fillings in washing machine, starts electrolysis 10 minutes (approximately 10 amperes of Faradaic currents).
2), by appendix A method in GB GB-T4288-2003 domestic electric washer, prepare respectively A, B double, three kinds of pollution sample cloth (carbon black oil pollutes cloth, protein contamination cloth, sebum pollution cloth);
3) pollute sample cloth by above-mentioned three kinds respectively and put into washing machine, start washing machine work (impeller rotation) each 15 minutes (approximately 15～18 amperes of Faradaic currents during washing);
4) stop after electrolysis, take out three kinds of sample cloth after above-mentioned washing, be labeled as: " carbon black sample cloth A ", " albumen sample cloth A ", " sebum sample cloth A ";
5) in addition, use a same duckling board mini washing machine (XPB30-40D), inject city for approximately 30 liters, running water, add washing powder, by standard wash program, wash respectively three kinds and pollute sample cloth each 15 minutes, after rinsing dries, marking three kinds of sample cloth is: " carbon black sample cloth B ", " albumen sample cloth B ", " sebum sample cloth B ";
6) washability of two kinds of methods of ready visual contrast, result proves, three kinds of category-As pollution sample cloth that clean through apparatus of the present invention, washability all pollutes sample cloth apparently higher than the category-B of washing powder machine washing mode.If the category-B sample cloth wash degree of establishing after washing machine machine washing is 1, A, two kinds of clean result contrasts of B are about 2:1.
Above-mentioned experimental result shows, through apparatus of the present invention water after treatment, washability greatly improves.
Embodiment tri-
Washing power assisting device and the embodiment mono-of the present embodiment are basic identical, and the variations different from embodiment mono-are: 1) positive electrode 3 is the inert electrodes that adopt the carbonaceous materials such as graphite, active carbon to make; 2) water permeability barrier film 4 is the individual layer water permeability barrier films that adopt the carbonaceous materials such as graphite, active carbon to make; 3) the spacing δ of water permeability barrier film 4 and positive electrode 3
10.5mm; 4) the spacing δ of water permeability barrier film 4 and negative electrode 2
28mm; 5) to exceed respectively yin, yang electrode a bit of at water permeability barrier film 4 two ends.
Embodiment tetra-
Washing power assisting device and the embodiment bis-of the present embodiment are basic identical, and the variations different from embodiment bis-are: 1) in negative electrode 2, have the first through hole (not shown), through-hole aperture is got 1mm; 2) water permeability barrier film 4 and negative electrode 2, the same length of positive electrode 3; 3) water permeability barrier film 4 is close to positive electrode 3 but is separated with negative electrode 2, the spacing δ of water permeability barrier film 4 and negative electrode 2
22mm.
Embodiment five
Washing power assisting device and the embodiment tetra-of the present embodiment are basic identical, with the variation of embodiment tetra-are: 1) water permeability barrier film 4 has the second through hole (not shown) of diameter phi 2.1mm, and the second through hole and essentially concentric identical with the first number of openings aligns; 2) the spacing δ of water permeability barrier film 4 and negative electrode 2
23mm.
Embodiment six
The washing power assisting device of the present embodiment, is the variation on embodiment mono-basis, different from embodiment mono-: 1) uniform pectination the first through hole that has of negative electrode 2; 2) water permeability barrier film 4 has following three kinds to select and arrange:
1. individual layer PVDF milipore filter, 0.03 micron, average permeable aperture, thickness is 0.5mm, not perforate, is close to anodic-cathodic.
2. two membranes stack combinations: ground floor adopts PVDF milipore filter, 0.03 micron, average permeable aperture, thickness is 0.5mm, not perforate, is close to positive electrode; The second layer adopts 0.05 micron, average permeable aperture PVDF ultrafiltration diaphragm, and thickness 0.5mm cuts into negative electrode 2 same sizes and has the rectangle sheet film of pectination the second through hole, is close to negative electrode; Pectination the second through hole and pectination the first lead to the hole site direction are perpendicular.
3. trilamellar membrane stack combinations: ground floor adopts active carbon fiber fabrics, specific area 1200m
2/ g, immersion is pressed approximately 1.8 millimeters of rear thickness and is close to positive electrode; The second layer (intermediate layer) adopts PVDF milipore filter, 0.03 micron, average permeable aperture, and thickness is 0.5mm, not perforate; The 3rd layer adopts 0.05 micron, average permeable aperture PVDF ultrafiltration diaphragm, and thickness 0.5mm cuts into negative electrode 2 same sizes and has the rectangle sheet film of pectination the second through hole, is close to negative electrode; Pectination the second through hole and pectination the first lead to the hole site direction are perpendicular.
Combine the experiment of the impact on the present embodiment device operating characteristic about water permeability barrier film single or multiple lift
It is as follows that the washing power assisting device of the present embodiment selects respectively different water permeability barrier films 4 to carry out water electrolysis experiment:
1, experiment condition and embodiment mono-are basic identical.
Yuan Shuiwei city supplies running water, TDS=160mg/L, and pH=7.5, to approximately 25 liters of washing machine injected waters.Respectively with above-mentioned individual layer barrier film and combination barrier film, each electrolysis 15 minutes (washing machine is not worked), in electrolytic process, Faradaic current all remains 6 peaces, experimental result is shown in table 4.
Table 4
Washing power assisting device of the present invention is not limited to the concrete technical scheme described in above-described embodiment, such as: 1) water permeability barrier film 4 can be two layers of water permeability barrier film that formed by activated carbon fiber film (felt) and milipore filter superimposion, activated carbon fiber film near positive electrode 3(towards positive electrode 3) and all surfaces of coated positive electrode 3, deviate from positive electrode 3 towards negative electrode 2() the part surface (positive electrode is towards all surfaces of negative electrode 2 one sides) of the coated positive electrode 3 of milipore filter or all surfaces of coated positive electrode 3, and the two ends of milipore filter exceed positive electrode slightly, 2) positive electrode 3 all adopts titanium base to cover with negative electrode 2 and is coated with the inert electrode that platinum family oxide (coating layer thickness is 0.8 millimeter) is made, all rounded sheets, 3) aperture of the first through hole having in negative electrode 2 can be 1.5,2mm etc., 4) water permeability barrier film 4 have that the aperture of the second through hole can be 2.5,3mm etc., 5) spacing of negative electrode 2 and positive electrode 3 is more than or equal to the thickness of water permeability barrier film 4 and is less than or equal to 20 millimeters, 6) technical scheme of above-mentioned each embodiment of the present invention can combined crosswise form new technical scheme each other, etc.The technical scheme that all employings are equal to replacement formation is the protection domain that the present invention requires.
Claims (10)
1. a washing power assisting device, comprise electrolysis power and the water quality adjustment unit of being located at existing wash mill outside, one of water inlet of described water quality adjustment unit is communicated with outside water supply pipe, the delivery port of described water quality adjustment unit is communicated with the water filling port of described wash mill, it is characterized in that: described water quality adjustment unit comprises at least one pair of negative electrode and positive electrode, described electrolysis power is for powering to described negative electrode and positive electrode; Between paired negative electrode and positive electrode, be provided with water permeability barrier film, the permeable aperture of described water permeability barrier film is less than or equal to 2 millimeters and be more than or equal to 1 nanometer, and the spacing of described negative electrode and positive electrode is more than or equal to the thickness of described water permeability barrier film and is less than or equal to 20 millimeters.
2. wash according to claim 1 power assisting device, it is characterized in that: the water inlet of the pump mouth of described wash mill and water quality adjustment unit two between be also provided with suction pump.
3. wash power assisting device according to described in claim 1 or 2, it is characterized in that: described water permeability barrier film is dielectric water permeability barrier film.
4. wash according to claim 3 power assisting device, it is characterized in that: in described negative electrode, have the first through hole, the aperture of described the first through hole is more than or equal to 1 millimeter.
5. wash according to claim 3 power assisting device, it is characterized in that: described water permeability barrier film has the second through hole, the aperture of described the second through hole is greater than 2 millimeters.
6. wash according to claim 3 power assisting device, it is characterized in that: described water permeability barrier film is individual layer water permeability barrier film.
7. wash according to claim 6 power assisting device, it is characterized in that: described individual layer water permeability barrier film is the individual layer water permeability barrier film that milipore filter or employing carbonaceous material are made.
8. wash according to claim 3 power assisting device, it is characterized in that: described water permeability barrier film is multilayer water permeability barrier film.
9. wash power assisting device according to described in claim 1 or 2, it is characterized in that: between the pump mouth of described wash mill and suction pump, be provided with filter screen and blowoff valve.
10. wash power assisting device according to described in claim 1 or 2, it is characterized in that: described electrolysis power is direct current or the component pulse-changing power of the narrow pulsewidth of high level.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410146418.3A CN103938414B (en) | 2014-04-12 | 2014-04-12 | Wash power assisting device |
| PCT/CN2015/076234 WO2015154701A1 (en) | 2014-04-12 | 2015-04-10 | Washing assisting device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410146418.3A CN103938414B (en) | 2014-04-12 | 2014-04-12 | Wash power assisting device |
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| CN103938414A true CN103938414A (en) | 2014-07-23 |
| CN103938414B CN103938414B (en) | 2017-07-28 |
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| WO2015154701A1 (en) * | 2014-04-12 | 2015-10-15 | 大连双迪创新科技研究院有限公司 | Washing assisting device |
| WO2015154713A1 (en) * | 2014-04-12 | 2015-10-15 | 大连双迪创新科技研究院有限公司 | Device for preparing drinking water by electrolysis |
| WO2015154714A1 (en) * | 2014-04-12 | 2015-10-15 | 大连双迪创新科技研究院有限公司 | Device for preparing daily water by electrolysis |
| CN107090699A (en) * | 2017-03-31 | 2017-08-25 | 无锡小天鹅股份有限公司 | The control method of washing machine and washing machine |
| WO2018107843A1 (en) * | 2016-12-12 | 2018-06-21 | 青岛海尔洗衣机有限公司 | Washing machine |
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| WO2015154701A1 (en) | 2015-10-15 |
| CN103938414B (en) | 2017-07-28 |
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