Background technology:
Hypochlorous chemical formula HClO, structural formula H-O-Cl, exist only in solution, and weak solution is colourless.Hypochlorous acid is very weak acid, but has very strong oxidisability and discoloration, so hypochloric acid water can as the disinfectant of sterilization.Through research, the sterilization speed of hypochloric acid water is fast, effective, and has very strong deodorization power.Humans and animals is had higher safety by hypochloric acid water simultaneously, will decompose after it reacts with Organic substance or after meeting ultraviolet radiation, and noresidue produces, and environment is zero load.
Based on hypochlorous bactericidal effect, and hypochlorous acid low price, so hypochlorous acid acid all can be used in medical institutions, food processing enterprises to carry out disinfection, sterilize.In Japan and China Taiwan, there is the home-use hypochloric acid water sterilizing equipment decontaminating apparatus releasing market.Conventional hypochloric acid water is mixed to get by sodium hypochlorite or calcium hypochlorite and water, but the mode of this preparation is not directly adaptable to use daily disinfection.Meanwhile, this mode uses inconvenience, it is impossible to realize instant having.So current hypochloric acid water Preparation equipment many employings electrolysis mode.
The electrolysis mode of hypochloric acid water is to adopt solution containing Cl as electrolyte, produces hypochloric acid water solution by electrolysis.But current hypochloric acid water Preparation equipment has the disadvantage that
1, cannot producing enough hypochlorous acid in electrolytic process, cause that the concentration of hypochloric acid water is inadequate, pH value is uncontrollable in a rational scope.
2, current electrolytic process whether adopts septate or without barrier film, its electrolytic process all exists and is difficult to control to, if and to produce the pH value hypochloric acid water at zone of reasonableness, the cavity volume of electrolysis unit would typically require sufficiently large, so also result in the volume of whole equipment bigger.
3, current equipment global design is complex, and lacks safety device, owing to electrolyte has certain corrosivity, so the design of whole equipment is it is contemplated that certain safety device, it is to avoid leakage occur.
The present inventor is through years of researches and experiment, it is proposed that below scheme.
Summary of the invention:
The technical problem to be solved is in that to overcome the deficiencies in the prior art, it is provided that a kind of easy to use, safe and be applicable to family, enterprise for preparing the equipment of hypochloric acid water.
In order to solve above-mentioned technical problem, present invention employs following technical proposals: this equipment being used for preparing hypochloric acid water includes: container, this container is for storing as electrolytical hydrochloric acid solution;Electrolysis unit, this electrolysis unit is the box body being provided with acid inlet and gas outlet, and tray interior is provided with electrode slice;Feed path, this feed path is by the acid inlet of electrolysis unit and reservoir;Intake tunnel, the end of this intake tunnel connects with the gas outlet of electrolysis unit;Going out acid passage, this goes out acid passage and connects with gas outlet and intake tunnel end;And, one supply unit powered for this equipment, hydrochloric acid solution in described container is entered in electrolysis unit by acid inlet by feed path, the chlorine produced at electrolysis unit Inner electrolysis mix with the water in intake tunnel by gas outlet, react after obtain hypochloric acid water, and by going out sour passage discharge.
Furthermore, in technique scheme, described electrolysis unit includes: the box body that is provided with acid inlet and gas outlet, the electrode slice group being positioned at box body, this electrode slice group is spaced by plurality of electrodes sheet, is wherein fixed with the electrodes conduct end of outlet box external body in electrode slice group on head and the tail pole piece.
Furthermore, in technique scheme, described electrode slice is positioned by pad, makes formation gap between two electrode slices by pad.
Furthermore, in technique scheme, offering mesopore in the middle of described pad, the edge along mesopore is formed with draw-in groove, and described electrode slice is embedded in the mesopore place of pad by draw-in groove.
Furthermore, in technique scheme, the moulding of described pad is identical with the cross section of box body inner chamber, and the front surface at pad offers the groove connected with mesopore, offers the through hole running through pad in groove.
Furthermore, in technique scheme, described pad front surface is provided with draw-in groove, and the position of the rear surface correspondence draw-in groove of pad is provided with card convex, is positioned with the realization that coordinates of card convex by draw-in groove between pad.
Furthermore, in technique scheme, described box body includes: the front box body fastened by fixing screw and rear box body, described acid inlet is arranged on front box body, described gas outlet is arranged on rear box body, and described front box body and the end face of rear box body offer the through hole that power pole conducting end is stretched out;In described front cabinet body, end face is provided with the screens corresponding with electrode slice and the box body card convex of card slot fit on pad and connects acid inlet with acid inlet;In described back box body, end face is provided with the box body draw-in groove coordinated with pad card convex and the venthole connected with gas outlet.
Furthermore, in technique scheme, described front box body has the cavity volume constituting cartridge body, described rear box body is covered on the port of front box body, the edge of described front box opening is provided with cannelure, the position of described rear box body correspondence cannelure is provided with annular protrusion, and annular protrusion and cannelure cooperate, and are provided with sealing ring between.
Furthermore, in technique scheme, described feed path is provided for acid pump, by being pumped in electrolysis unit by the hydrochloric acid solution in container for acid pump;Described intake tunnel along entrance point to the port of export between be disposed with check-valves, effusion meter, air relief valve and electromagnetic valve.
Furthermore, in technique scheme, this equipment being used for preparing hypochloric acid water has a shell, described container, electrolysis unit, feed path, intake tunnel, goes out acid passage and supply unit is packed in the enclosure;The position of the side correspondence container of shell is provided with the viewport for observing salt acid capacity;Being provided with in the position of the top correspondence container of shell can to the container cover adding hydrochloric acid solution in container;Being additionally provided with delivery hose on shell, this delivery hose is connected with going out acid passage, is drawn by delivery hose by the hypochloric acid water of preparation.
Principles of the invention is: the present invention uses hydrochloric acid as electrolyte, and electrode slice uses the material of Titanium gold,platinized.What the electrolysis unit of the present invention adopted is diaphragm-free electrolysis mode, simultaneously maximum with existing electrolysis unit it is distinctive in that: the electrode slice of the present invention have employed electrode slice group, these electrode slice groups are spaced, wherein the electrode slice of head and the tail is connected with the both positive and negative polarity of outside power supply respectively, the electrode slice being arranged in centre does not directly connect electricity, but participates in cell reaction by the weak current in electrolyte.The electrolysis unit of the present invention can produce the chlorine of q.s under smaller size smaller, and reacts, with water, the hypochloric acid water that can obtain having disinfective action.
Another aspect, in order to ensure safety, the generation of the situations such as the backflow preventing hydrochloric acid solution, the intake tunnel of the present invention along entrance point to the port of export between be disposed with check-valves, effusion meter, air relief valve and electromagnetic valve, it is possible not only to control the flow of water, obtains satisfactory hypochloric acid water solution, simultaneously when the present invention quits work, it is also prevented from hydrochloric acid solution backflow, it is ensured that will not produce to pollute to intake tunnel water source end.
The present invention is relative to prior art, and it can directly adopt tap water as preparing hypochlorous raw material, and the simple in construction of the present invention, it is simple to install, and adopts also very simple, and it is high that hypochlorous acid produces material rate.It addition, present invention employs the electrolysis unit of special construction, this electrolysis unit overcomes many deficiencies in existing electrolysis unit, it is possible to lasting, stable generation chlorine, so that the present invention can be widely used.
In sum, the present invention has simple in construction, uses safety, and can be continuously obtained satisfactory hypochloric acid water.Meanwhile, the present invention can realize instant to be had, very easy to use, is widely portable to the place that the hygienic requirements such as medical institutions, food processing enterprises is higher, it is possible to suitable in the place of the densely populated place such as school.
Detailed description of the invention:
Below in conjunction with specific embodiments and the drawings, the present invention is further described.
The present invention is a kind of equipment for preparing hypochloric acid water, can produce hypochloric acid water solution by this equipment, as sterilization, bactericidal liquid.
See that shown in Fig. 1,2,3,4, the present invention includes: shell 1, container 2, electrolysis unit 3, feed path 4, intake tunnel 5, go out acid passage 6, supply unit 7 and delivery hose 8.
Described container 2, electrolysis unit 3, feed path 4, intake tunnel 5, go out acid passage 6 and supply unit 7 is encapsulated in shell 1;The position of the side correspondence container 2 of shell 1 is provided with the viewport 11 for observing salt acid capacity;Being provided with in the position of the top correspondence container 2 of shell 1 can to the container cover 12 adding hydrochloric acid solution in container 2;Described delivery hose 8 is connected with going out acid passage 6, is drawn by delivery hose 8 by the hypochloric acid water of preparation.
Referring to Fig. 2, shown in 3, this described container 2 for storage as electrolytical hydrochloric acid solution.Being provided with a hydrochloric acid on container 2 and add entrance 21, this hydrochloric acid adds entrance 21 and container cover 12 corresponding matching on shell 1, when the hydrochloric acid content in container 2 is lower than setting value, can open container cover 12, hydrochloric acid add entrance 21 and add hydrochloric acid in container.
Shown in Fig. 6,7,8, electrolysis unit 3 is the box body 30 being provided with acid inlet 301 and gas outlet 302, and box body 30 is internally provided with electrode slice 31.Described electrolysis unit 3 includes: is provided with the box body 30 of acid inlet 301 and gas outlet 302, is positioned at the electrode slice group of box body 30, this electrode slice group is spaced by plurality of electrodes sheet 31, is wherein fixed with the electrodes conduct end 311 drawn outside box body 30 in electrode slice group on initial and end electrode slice 31A, 31B.
Described box body 30 includes: the front box body 303 fastened by fixing screw and rear box body 304, described acid inlet 301 is arranged at front box body 303 bottom, described gas outlet 302 is arranged at rear box body 304 top, and described front box body 303 and the end face of rear box body 304 offer the through hole that power pole conducting end 311 is stretched out.
Described front box body 303 has the cavity volume constituting box body 30 main body, described rear box body 304 is covered on the port of front box body 303, the edge of described front box body 303 opening is provided with cannelure 3031, described, the position of the corresponding cannelure 3031 of rear box body 304 is provided with annular protrusion 3041, annular protrusion 3041 and cannelure 3031 cooperate, and are provided with sealing ring between.By this structure, box body 30 can form an airtight space.
Described box body 30 is internally provided with the electrode slice group of uniform intervals arrangement, and except being arranged in the electrode slice 31A of stem, other electrode slice positions each through pad, and makes formation gap between two electrode slices 31 by pad 32.
Seeing Fig. 9, described in 10, offers mesopore 321 in the middle of described pad 32, the rear end face of pad 32 is formed with draw-in groove 320 along the edge of mesopore 321, and described electrode slice 31 is embedded in mesopore 321 place of pad 32 by draw-in groove 320.The moulding of described pad 32 is identical with the cross section of box body 30 inner chamber.Front surface at pad 32 offers the groove 322 connected with mesopore 321, offers the through hole 323 running through pad 32 in groove 322.
Described pad 32 front surface is provided with draw-in groove 324, and the position of the rear surface correspondence draw-in groove 324 of pad 32 is provided with card convex 325, is positioned with the realization that coordinates of card convex 325 by draw-in groove 324 between pad 32.Height after the combination of all pads 32 is corresponding with the cavity depth of box body 30, thus relying on clamping decline pad 32 and passing through the electrode slice 31 that pad 32 positions and be fixed of the front box body of box body 30 303 and rear box body 304.
In order to coordinate with pad 32, front box body 303 inner face be provided with the box body card convex 3034 coordinated with draw-in groove 324 on pad 32 with the screens 3032 corresponding for electrode slice 31A arranging first place and connects acid inlet 3033 with acid inlet 301;Described rear box body 304 inner face is provided with the box body draw-in groove 3042 coordinated with pad card convex 325 and the venthole 3043 connected with gas outlet 302.
During assembling during this electrolysis unit 3, first will be arranged in first place and there is the electrode slice 31A of electrodes conduct end 311 be placed in screens 3032 corresponding in front box body 303, and the electrodes conduct section 311 of this electrode slice 31 is stretched out by the through hole at front box body 303 center, in order to prevent hydrochloric acid solution from leaking, the through hole junction at electrodes conduct section 311 and front box body 303 center is provided with O-ring seal.Then other electrode slice 31 coordinates with a pad 32 respectively, each electrode slice 32 draw-in groove 320 locator qualification by pad 32.Such as, in embodiments of the invention, box body 30 lumenal cross-section is rounded, so pad 32 is formed for a copper coin moulding, its circular outer edge coordinates with box body 30 inner chamber, and the square mesopore 321 that centre is offered is slightly less than square electrode slice 31, and this mesopore 321 is used for appearing electrode slice 31.When the pad of all of embedded electrode slice 31 is placed in the cavity that front box body 303 is constituted, finally rear box body 304 lid is located at the port of front box body 303, and makes the card convex 325 of the pad 32 being arranged in afterbody corresponding with the box body draw-in groove 3042 of rear box body 304 inner face.Thus realizing the location to whole pad 32.
Described feed path 4 is the pipeline connected with container 2 by the acid inlet 301 of electrolysis unit 3, it is provided with a hydrochloric acid lid 22 on vessel 2, it is provided with, in this hydrochloric acid lid 22, the suction pipe stretched in container 2, the initiating terminal of feed path 4 is connected on this hydrochloric acid lid 22, and connect with suction pipe, by pump, hydrochloric acid solution is extracted by container, be supplied in electrolysis unit 3.Owing to hydrochloric acid solution has certain corrosivity, so in order to ensure uninterrupted for acid, described feed path 4 is provided with two in parallel for acid pump 41, after any one damages for acid pump 41, the hydrochloric acid solution in container 2 still can be pumped in electrolysis unit 3 by another for acid pump 41.
Described intake tunnel 5 is to be connected with the gas outlet 302 of electrolysis unit 3 at outside water source (such as water tap), thus dissolving the chlorine that electrolysis produces, produces hypochloric acid water solution after reaction.
Pipeline between described intake tunnel 5 is along entrance point to the port of export is disposed with check-valves 51, effusion meter 52, air relief valve 53 and electromagnetic valve 54.Check-valves 51 has the effect preventing hydrochloric acid solution by intake tunnel backflow pollution water source.Effusion meter 52 is for calculating the flow of water, so that it is guaranteed that the pH value of produced hypochloric acid water solution is in the reasonable scope.Air relief valve 53 is present to ensure that hydraulic pressure will not be too high.Electromagnetic valve 54 is for controlling the current of intake tunnel 5, and when this equipment works, electromagnetic valve 54 is opened, and when this equipment stops, electromagnetic valve 54 cuts out.
The described acid passage 6 that goes out is connected by three way cock 9 with gas outlet 302 and intake tunnel 5 end, mixes thus realizing the outside chlorine produced with electrolysis unit 3 electrolysis that supplies water.For the ease of using, the end going out acid passage 6 is provided with a delivery hose 8, by delivery hose 8, the hypochloric acid water of preparation is drawn.
Referring to Fig. 3,4,5, in the present embodiment, gas outlet 302 place of electrolysis unit 3 is provided with a three way cock 9, by three way cock by the pipeline of intake tunnel 5 end, gas outlet 302 and the pipeline communication of initiating terminal going out acid passage 6.
The supply unit 7 that in this equipment, this equipment is powered, this supply unit 7 is not only electrolysis unit 3 and powers, it is provided that the electric current required for electrolysis, powers for the control circuit in this equipment and relevant electronic unit simultaneously yet.Can control either directly through the control knob 13 (as shown in Figure 2) in operation housing 1 during use.
When the present invention works, first through hole control knob 13 is opened for acid pump 41, hydrochloric acid solution is pumped in electrolysis unit 3, hydrochloric acid solution has inlet 301 to enter, and the acid inlet 3033 offered on front box body 303 enters in box body 30, and enter the electrode slice 31A being arranged in first place and the gap being arranged between deputy electrode slice 31, then pass through the through hole 323 offered in the groove 322 and groove 322 offered on the embedded pad 32 (being namely arranged in the pad of first place) being arranged in second electrode slice 31 and enter into the gap between subsequent electrode sheet, so constantly flow through, until arriving at the inner face of rear box body 304, when hydrochloric acid solution completely into electrolysis unit 3 in after, pump hydrochloric acid is stopped for acid pump 41, electrolysis starts.By being carried in the electric current in the power pole conducting end 311 of head and the tail electrode slice 31A, 31B, the hydrochloric acid solution in electrolysis unit 3 is proceeded by cell reaction.The electrode slice 31 of the present invention have employed electrode slice group, these electrode slice groups are spaced, wherein electrode slice 31A, 31B of head and the tail is connected with the both positive and negative polarity of outside power supply respectively, and the electrode slice being arranged in centre does not directly connect electricity, but participates in cell reaction by the weak current in electrolyte.The through hole 323 offered in groove 322 by offering on pad 32 and groove 322 is constantly run by chlorine and hydrogen that electrolysis produces to direction, gas outlet 302, until after passing through the venthole 3043 offered on rear box body 304, discharged by gas outlet 302, and carry out with the water carried by water supply intake tunnel 5 mixing, react, produce hypochloric acid water solution, the hypochloric acid water solution that there is sterilization, sterilize finally is discharged by delivery hose.
Below in conjunction with specific embodiment, the present invention is further detailed.
The electrode slice used in the present embodiment is the material of Titanium gold,platinized, namely adopts platinum plating layer gold on titanium metal plate.Certainly, the electrode slice in the present invention can also adopt the mode of sintering to form platinoiridita electrode slice.Platinum electrode sheet or platinoiridita electrode slice have advantage corrosion-resistant, long service life.
The present embodiment employs 13 plate electrode sheets 31 altogether, and the dimensions of every plate electrode sheet 13 is: 52mmx52mmx0.5mm.Its service life was more than 5000 hours.
The electric current being carried on head and the tail electrode slice 31A, 31B in the present embodiment in electrolysis bath is: 0.8A----1.3A.
The optional 3-6% of the concentration of the dilute hydrochloric acid that electrolyte uses in the present embodiment.
In order to prevent the erosion of electrolyte, in the present embodiment, the pad 32 in box body 30 and box body 30 adopts PVDF (Kynoar).
The cell reaction principle of the present invention is:
1, anode reaction: 2Cl-→ Cl2 ↑+2e-
2, cathode reaction: 2H2O+2e-→ H2 ↑+2OH-
3, the reaction in output solution: Cl2+H2O=HOCl+HCl
The solution effective ingredient of final output is HOCL (hypochlorous acid), is carried out disinfection by hypochlorous strong oxidizing property, is sterilized.
During work, the water supply intake tunnel 5 of the present embodiment carries the water of 2.2L/h----4.3L/h per hour, the pH range of the hypochlorous acid antiseptic solution of generation: 5---6.5PH, the PPM value scope of effective chlorine density: 10----35ppm.
Certainly, the foregoing is only specific embodiments of the invention, be not limit the scope of the present invention, all equivalences done according to structure, feature and principle described in the present patent application the scope of the claims change or modify, and all should be included in the present patent application the scope of the claims.