CN107849712A - Electrolysis unit - Google Patents

Electrolysis unit Download PDF

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Publication number
CN107849712A
CN107849712A CN201580079281.7A CN201580079281A CN107849712A CN 107849712 A CN107849712 A CN 107849712A CN 201580079281 A CN201580079281 A CN 201580079281A CN 107849712 A CN107849712 A CN 107849712A
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CN
China
Prior art keywords
electrolysis
electrode
electrolyte
detection
water
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CN201580079281.7A
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Inventor
洗畅俊
林信广
渡边圭郎
渡边圭一郎
阿久泽博之
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Sharp Life Science Corp
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Sharp Life Science Corp
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    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25BELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B15/00Operating or servicing cells
    • C25B15/02Process control or regulation
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/46Treatment of water, waste water, or sewage by electrochemical methods
    • C02F1/461Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
    • C02F1/467Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction
    • C02F1/4672Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction by electrooxydation
    • C02F1/4674Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction by electrooxydation with halogen or compound of halogens, e.g. chlorine, bromine
    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25BELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B1/00Electrolytic production of inorganic compounds or non-metals
    • C25B1/01Products
    • C25B1/24Halogens or compounds thereof
    • C25B1/26Chlorine; Compounds thereof
    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25BELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B9/00Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies; Process-related cell features
    • C25B9/17Cells comprising dimensionally-stable non-movable electrodes; Assemblies of constructional parts thereof

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Metallurgy (AREA)
  • Materials Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Automation & Control Theory (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Water Supply & Treatment (AREA)
  • Environmental & Geological Engineering (AREA)
  • Hydrology & Water Resources (AREA)
  • General Chemical & Material Sciences (AREA)
  • Water Treatment By Electricity Or Magnetism (AREA)
  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)

Abstract

The present invention provides a kind of electrolysis unit, it possesses the abnormal detector in detection electrolytic cell so as to quickly detect abnormal generation, and reduces because of environmental change and by obviously for normal state is mistaken for exception and causes the situation for the mistake running for stopping being electrolysed.The electrolysis unit of the present invention is characterised by:Possess electrolysis portion, set in a manner of the electrolysed substance supplied is electrolysed and discharges electrolytically generated thing;With test section, the electrolysis portion possesses electrode for electrolysis, the test section possesses the detection electrode for measuring the electrolysed substance or the electrical characteristics of the electrolytically generated thing or the mixture of both, and detects supply to the reduction of the quantity delivered of the electrolysed substance in the electrolysis portion or the reduction of the discharge rate for the electrolytically generated thing discharged from the electrolysis portion.

Description

Electrolysis unit
Technical field
The present invention relates to electrolysis unit.
Background technology
Electrolysis unit can utilize electrochemical reaction to change various electrolyte and generate other materials.For example, pass through electrolysis The aqueous solution containing chloride ion is decomposed, the aqueous solution containing hypochlorous acid class, that is, so-called electrolysis water can be generated.By There is bacteria-eliminating efficacy in electrolysis water, thus be used in the prevention of infectious disease, the freshness of fresh food maintains, the smelly eliminating of washings etc. Purpose.
Additionally, it is known that there is the electrolysis unit of generation electrolysis water (referring for example to patent document 1~6).
Patent document 1:Japanese Unexamined Patent Publication 4-74879 publications
Patent document 2:Japanese Unexamined Patent Publication 5-237478 publications
Patent document 3:Japanese Unexamined Patent Publication 6-292892 publications
Patent document 4:Japanese Unexamined Patent Publication 9-253650 publications
Patent document 5:Japanese Unexamined Patent Publication 2001-29955 publications
Patent document 6:Japanese Unexamined Patent Publication 2001-48199 publications
The content of the invention
Electrolysis unit, being capable of simply and securely generating functionality compared with the in general chemical reaction of such as chemical device Material.But when supplying the electrolyte beyond regulation by mistake or not supplying the situation of electrolyte because of some reasons, there is generation pre- The anxiety of material outside material.Accordingly, there exist being provided with monitoring to put on the voltage or electric current of electrolysis electrode, if deviateing from preset value Stop the electrolysis unit of the mechanism of electrolysis.For example, supply fixed voltage, if other conditions are identical current value be set to necessarily, because This can interpolate that as exception when above or below the situation of certain certain current value.
However, even with same electrolyte, even if being applied via the change of environment temperature i.e. the temperature of electrolyte Making alive is identical, and current value also can be different, or current value can be different after later from the initial stage of electrolysis.Therefore, it is necessary to will The amplitude of fluctuation of permissible current value is set to larger.
The amplitude of such a permissible current value is in big situation, until electric when the supply of stoste is interrupted because of some reasons Untill flow valuve stops electrolysis more than permissible range, following danger be present:Liquid temperature rises and risen to close to electrolytic cell Heat resisting temperature and deform, or keep when the worst situation that the electrolytic cell of liquid or electrode is damaged and the electrolysis water of high temperature leaks, Or leaked in gas caused by electrolytic cell.
Especially when the situation of hypochlorous electrolytic cell is generated, due to resin is used for into electrolytic cell, therefore heat resisting temperature is relatively low, becomes Shape or the danger of breakage uprise.
In addition, with to electrolytic cell essence and continuously feeding stoste (electrolyte) and being continuously generated the device of electrolysis water Compared with situation, that is, the storage type with storing thin electrolyte and spending the time to be electrolysed, the volume in electrolytic cell is small, The current density of circulation is also high, therefore because the liquid temperature of self-stopping technology stoste supply rises soon, easily becomes superheat state.
Particularly in order to save stoste and when time per unit is supplied to the stoste amount few situation of electrolytic cell, even if being steady Higher state can also be turned into by determining state liquid temperature, therefore be well over the heat resisting temperature of electrolytic cell, and security is simultaneously inadequate.
The present invention is in view of said circumstances forms, there is provided a kind of electrolysis unit, possesses the abnormal test section in detection electrolytic cell And abnormal generation can be quickly detected, and reduce because of the environmental change will obviously for normal state be mistaken for it is abnormal and Cause the situation for the mistake running for stopping being electrolysed.
The present invention provides a kind of electrolysis unit, possesses:Electrolysis portion, the electrolysed substance supplied is electrolysed and discharges electrolysis The mode of product is set;With test section, the electrolysis portion possesses electrode for electrolysis, and the test section possesses the measurement electrolysis The detection electrode of material or the electrical characteristics of the electrolytically generated thing or the mixture of the rwo, and supply is detected to the electrolysis The reduction of the discharge rate of the reduction of the quantity delivered of the electrolysed substance in portion or the electrolytically generated thing discharged from the electrolysis portion.
Further provide for a kind of electrolysis unit, it is characterised in that the detection is arranged at the upper of the electrode for electrolysis with electrode Side.
Further provide for a kind of electrolysis unit, it is characterised in that the detection is arranged at than the electrode for electrolysis more with electrode Upstream is surveyed.
Further provide for a kind of electrolysis unit, it is characterised in that the detection is arranged at than the electrode for electrolysis more with electrode Downstream is surveyed, and is arranged in the electrolysis portion or is connected in the pipe arrangement in the electrolysis portion.
Further provide for a kind of electrolysis unit, it is characterised in that the detection electricity consumption best possesses one group of electrode pair, the inspection less One electrode of the electrode pair of survey electrode electrically connects with the electrode for electrolysis.
Further provide for a kind of electrolysis unit, it is characterised in that the detection electricity consumption best possesses one group of electrode pair, the inspection less Survey and shaped by the use of an electrode of the electrode pair of electrode with the electrode for electrolysis as one.
Further provide for a kind of electrolysis unit, it is characterised in that the electrode for electrolysis and the detection electrode are to be arranged obliquely Mode set.
Further provide for a kind of electrolysis unit, it is characterised in that the electrolysed substance is electrolyte, and the electrolysis portion will can be electrolysed Liquid is electrolysed and electrolysis water of the generation containing hypochlorous acid class.
Further provide for a kind of electrolysis unit, it is characterised in that the detection with electrode be with measure by the electrolysis of electrolyte and The mode of the electrical characteristics of the gas of generation and the gas-liquid mixture fluid of electrolysis water is set.
Further provide for a kind of electrolysis unit, it is characterised in that the test section is according to the electricity for putting on the detection electrode The variable quantity of the rheological parameters' change with time of stream-voltage characteristic, the reduction of detection supply to the quantity delivered of the electrolysed substance in the electrolysis portion.
Further provide for a kind of electrolysis unit, it is characterised in that the test section is according to the voltage for putting on the detection electrode Variable quantity differential value or circulate in the detection electrode electric current variable quantity differential value, detection supply is to the electricity The reduction of the quantity delivered of the electrolysed substance in solution portion.
In addition, the present invention provides a kind of electrolysis unit, it is characterised in that possesses:Electrolysis portion, electrolysed substance is electrolysed;With detection Portion, the electrolysis portion possess electrode for electrolysis, and the test section is special according to the current-voltage for putting on the electrode for electrolysis Property rheological parameters' change with time variable quantity, detection supply to the electrolysis portion electrolysed substance quantity delivered reduction.
Further provide for a kind of electrolysis unit, it is characterised in that the test section is according to the voltage for putting on the electrode for electrolysis Variable quantity differential value or circulate in the electrode for electrolysis electric current variable quantity differential value, detection supply is to the electricity The reduction of the quantity delivered of the electrolysed substance in solution portion.
The electrolysis unit of the present invention can detect supply to the electricity in electrolysis portion due to possessing test section by test section The reduction of the quantity delivered of material is solved, can just stop the voltage applying to electrode for electrolysis in early stage.Therefore, in electrode for electrolysis In the state of electrolysed substance, voltage can be prevented to be applied in electrode for electrolysis.Thereby, it is possible to prevent electrode for electrolysis Abnormal overheat, the security of electrolysis unit can be lifted.In addition, electrode for electrolysis damage can be suppressed, electrolysis dress can be lifted The life characteristic put.
Detector contained by the electrolysis unit of the present invention can provide one kind due to can faster detect exception than ever The high electrolysis unit of safe and stable property.
Brief description of the drawings
Fig. 1 is the summary sectional view of the electrolysis unit of the first embodiment of the present invention.(first embodiment)
Fig. 2 (a)~(e) is the summary sectional view of a part for the electrolysis unit of one embodiment of the present invention.
Fig. 3 is detecting system A explanation figure.(second embodiment)
Fig. 4 is detecting system B explanation figure.(the 3rd embodiment)
Fig. 5 is detecting system B explanation figure.(the 3rd embodiment)
Fig. 6 is detecting system B explanation figure.(the 3rd embodiment)
Fig. 7 is detecting system C explanation figure.(the 4th embodiment)
Fig. 8 is detecting system C explanation figure.(the 4th embodiment)
Fig. 9 is detecting system D explanation figure.(the 5th embodiment)
Figure 10 is detecting system D explanation figure.(the 5th embodiment)
Figure 11 is angle of inclination and the explanation figure of detecting system in electrolysis portion.
Figure 12 is the summary sectional view of a part for the electrolysis unit of one embodiment of the present invention.(the 6th embodiment)
Figure 13 is the chart for the experimental result for representing electrolysis water test experience.
Figure 14 is the chart for the experimental result for representing electrolysis water test experience.
Figure 15 is the chart for the measurement result for representing effective chlorine density measurement.
Embodiment
The electrolysis unit of the present invention is characterised by possessing:Electrolysis portion, the electrolysed substance supplied is electrolysed and discharged The mode of electrolytically generated thing is set;With test section, the electrolysis portion possesses electrode for electrolysis, and the test section possesses described in measurement The detection electrode of electrolysed substance or the electrical characteristics of the electrolytically generated thing or the mixture of the rwo, and detect and supply to described The reduction of the quantity delivered of the electrolysed substance in electrolysis portion.
In addition, the electrolysis unit of the present invention is characterised by possessing:Electrolysis portion, electrolysed substance is electrolysed;It is described with test section Electrolysis portion possesses electrode for electrolysis, the test section according to the I-E characteristic for putting on the electrode for electrolysis through when The variable quantity of change, the reduction of detection supply to the quantity delivered of the electrolysed substance in the electrolysis portion.
In the electrolysis unit of the present invention, the electrolysed substance is electrolyte, the electrolysis portion preferably by electrolyte decomposition and Generate the electrolysis water containing hypochlorous acid class.
The electrolyte being electrolysed in electrolysis portion is preferably the aqueous solution containing acidic materials and alkali metal chloride.
Thereby, it is possible to generate the electrolysis water containing hypochlorous acid class.In addition, the electrolysis water generated can be set to subacidity~in Property, it is possible to increase the degerming property of electrolysis water.
The acidic materials being preferable over contained by the electrolyte being electrolysed in electrolysis portion are hydrochloric acid, and alkali metal chloride is chlorine Change at least one of sodium and potassium chloride.
Thereby, it is possible to generate the electrolysis water containing hypochlorous acid class.In addition, the electrolysis water generated can be set to subacidity~in Property, it is possible to increase the degerming property of electrolysis water.In addition, it is possible to increase the effective chlorine density of electrolysis water.
Electrolysis water generating unit contained by the electrolysis unit of the present invention preferably has electrolyte supply portion, will be supplied from electrolyte confession To the electrolyte electrolysis in portion and the electrolysis portion of generation electrolysis water and the water-reducible dilution part of electrolysis that will be generated by electrolysis portion.
According to such a composition, the electrolysis water with suitable effective chlorine density can be continuously generated.In addition, diluted in dilution part The electrolysis water generated by electrolysis portion, the amount thus, it is possible to increase manufactured electrolysis water.
In the electrolysis unit of the present invention, preferably electrolyte supply portion is will be stored in the electrolyte supply of groove to the electricity The mode in solution portion is set, and electrolysis portion, which possesses, to be electrolysed electrolyte and generate the electrode for electrolysis pair of electrolysis water, and test section is set Surveyed in the downstream of the electrode for electrolysis pair, and detection is supplied to the electrolyte in the electrolysis portion from the electrolyte supply portion The reduction of quantity delivered.
According to such a composition, the emptying situation of groove can be detected by test section, can be stopped in early stage to electrode for electrolysis To the voltage of application.Therefore, it is possible to suppress electrode for electrolysis to damage.
Test section contained by the electrolysis unit of the present invention possesses detection electrode, and detection electricity consumption is highly preferred to be passed through with measurement The electrolysis of electrolyte and the gas and the mode of the electrical characteristics of the gas-liquid mixture fluid of electrolysis water that generate are set.
According to such a composition, it can detect whether electrolysis water generates in electrolysis portion with electrode by detection.
The electrolysis unit of the present invention preferably further possesses the cooling end in cooling electrolysis portion, and cooling end is preferably with by diluting electrolysis The mode that the water of water is cooled down to electrolysis portion is set.
According to such a composition, the elevated situation of temperature in the electrolysis portion as caused by the reaction heat of cell reaction can be suppressed, can Suppress electrolytic efficiency change and produce density unevenness or electrolysis portion overheat and the part distortion in electrolysis portion or rotten and produce leakage Etc. bad situation.
It is preferred that the electrolysis unit of the present invention possesses test section, electrolyte supply portion with the electrolyte supply by groove is stored in extremely The mode in the electrolysis portion is set, and electrolysis portion, which possesses, to be electrolysed electrolyte and generate the electrode for electrolysis pair of electrolysis water, test section The downstream for being arranged at the electrode for electrolysis pair is surveyed, and detection is supplied to the electricity in the electrolysis portion from the electrolyte supply portion Solve the reduction of the quantity delivered of liquid.
According to such a composition, can be detected by test section because some reason electrolyte are not supplied to electrolytic cell, or because of leakage Liquid etc. causes to turn into the situation of abnormality in electrolytic cell, can stop the voltage to electrode for electrolysis to application in early stage.Cause This, can suppress electrode for electrolysis to damage.
In addition, it can notify to stop electrolysis portion and exception in early stage by bulb or buzzer.It is therefore possible to prevent with being intended to Concentration or the different electrolysis waters of pH carry out bacteria removing.For example, following situation can be prevented:The quantity delivered of electrolyte it is very few and Electrolysis water concentration becomes lower compared be intended to concentration or pH becomes higher (more alkaline), becomes degerming deficiency, or the confession of electrolyte It is excessive to amount and be electrolysed that water concentration becomes higher than be intended to concentration or pH becomes lower (more acid), make fibre damage or fade.
Test section contained by the electrolysis unit of the present invention possesses detection electrode, and detection electricity consumption is highly preferred to be passed through with measurement The electrolysis of electrolyte and the gas and the mode of the electrical characteristics of the gas-liquid mixture fluid of electrolysis water that generate are set.
According to such a composition, it can detect whether electrolysis water generates in electrolysis portion with electrode by detection.
The electrolysis unit of the present invention preferably further possesses the cooling end in cooling electrolysis portion, and cooling end is preferably with by diluting electrolysis The water of water is set to the mode cool down in the electrolysis portion.
According to such a composition, the elevated situation of temperature in the electrolysis portion as caused by the reaction heat of cell reaction can be suppressed, can The situation for the problems such as suppressing electrolytic efficiency change and producing density unevenness or electrolysis portion overheating deforming and produce leakage.Even if in addition Just in case detector failures and turn into superheat state, if cooled, can suppress that electrolysis portion is on fire, smolders, or heat reaches electrolysis portion The miscellaneous part on periphery and produce bad situation.
In addition, the present invention can be applied not only to, by the electrolysis unit of aqueous solution electrolysis, can also be applied to apply a voltage to electricity Interpolar, and the material for being positioned over interelectrode space certainly generates the various devices of other materials.Such as not only liquid, it can also pass through Apply voltage i.e. so-called electric discharge to gas and generate other materials.In this specification, such a generating means are referred to as thing Matter conversion equipment, the electrode for material conversion is referred to as material conversion electrode, the material changed is referred to as by conversion thing Matter or non-transformational substance, the material generated is referred to as to generate material or transformational substance.
The material conversion device of the present invention is by supplying material (non-transformational substance) between material conversion electrode pair And apply voltage, the device of the generation material (transformational substance) different from the material supplied, material conversion is applied with electrode Add certain voltage, monitor circulation current value or by electric current turn into it is certain in a manner of control and monitor in electrode flow Necessary magnitude of voltage for fixed electric current, and possess detecting system, the detecting system use is with putting on material conversion electricity consumption The different value of the magnitude of voltage or current value of pole and when distinguishing normal with it is abnormal when, thus detect exception.
The present invention provides a kind of detector and detecting system, for detecting by applying a voltage to material by the material The state of the device (material conversion device) of other materials is converted to, differentiates normal condition and abnormality.Such as material conversion Device applies electric energy to the various materials supplied between material conversion electrode, thus occurs various chemical reactions, by This can be converted to other materials, generate useful material or make harmful material innoxious.Electrolysis unit is readily appreciated that One of material conversion device.
Certain voltage was applied with (electrolysis is used) electrode to material conversion in the past, monitors the current value of circulation.(or monitoring For control electric current necessary to the fixed electric current of electrode flow magnitude of voltage.) if material conversion situation is certain, external rings Border is necessarily then voltage turns into certain with electric current.Therefore, it is possible to be set in the voltage or electric current under normal stable state Value scope, exception will be determined as when deviateing from the scope of the setting value (permissible range).Though from previously just carrying out this method, But as problem, scope too narrow (process window (process window) is narrow) and the environment (temperature that uses because of setting value The external environment conditions such as degree) or the component tolerance of constituent apparatus, the progress of the metabolism between man and nature and caused by condition variation, product becomes at once Can not operate, therefore and it is impracticable, permissible range is extended.Even if conversely, there is abnormality to start, untill exception is judged as Time taking situation can be spent, has device or product (material generated) to produce the situation of problem.
Present invention offer is a kind of can correctly and rapidly to judge abnormal detector and detecting system when occurring abnormal.
The detecting system of the present invention can detect exception in the following way:The magnitude of voltage of material conversion electrode will be put on Or the second value beyond current value with it is normal when with it is abnormal when distinguished.
Even if having by material conversion with electrode also serve as detection electrode also can situation.During this situation, component count tails off, and cost becomes It is low, therefore practicality improves.
In further this case invention, detection sensitivity can rise if electrolytic cell tilts, therefore be preferred.
In further this case invention, more preferably electrolytic cell possesses cooling system particularly water-cooling system.
Hereinafter, using brief description of the drawings one embodiment of the present invention.Represented composition in accompanying drawing or following description To illustrate, the scope of the present invention is not limited to represented person in accompanying drawing or following description.
The electrolysis unit of present embodiment contains the electrolysis unit of the first to the 6th embodiment.In addition, Fig. 1 is first real Apply the summary sectional view of the electrolysis unit of mode.
The electrolysis unit 60 of present embodiment is characterised by possessing electrolysis portion 5, and the electrolysed substance supplied is electrolysed and arranged The mode for going out electrolytically generated thing is set;With test section 25, electrolysis portion possesses electrode for electrolysis 1, and test section 25 possesses described in measurement The detection electrode 26 of the electrical characteristics of electrolysed substance or the electrolytically generated thing, and supply is detected to the electrolysed substance in electrolysis portion 5 Quantity delivered reduction.Therefore test section 25 is the detection circuit containing detecting electrode 26 or other electronic units.
In addition, the electrolysis unit 60 of present embodiment is characterised by possessing electrolysis portion 5, electrolysed substance is electrolysed;With test section 25, electrolysis portion 5 possesses electrode for electrolysis 1, test section 25 according to the I-E characteristic for putting on electrode for electrolysis 1 through when The variable quantity of change, the reduction of detection supply to the quantity delivered of the electrolysed substance in electrolysis portion 5.
Electrolysed substance is the material that is electrolysed, or electrolyte by electrolysis portion 5.In addition, electrolysed substance is alternatively By electrolysis portion 5 and the gas that is electrolysed.Herein, electrolysed substance is electrolyte 12, is directed in electrolysis portion 5 and is given birth to from electrolyte 12 Electrolysis unit 60 into electrolysis water 18 illustrates.
Electrolysis water generating unit 2 is that the part of electrolysis water 18 is generated from electrolyte 12.
Electrolysis water generating unit 2 can have electrolyte supply portion 10, the electrolyte 12 supplied from electrolyte supply portion 10 is electrolysed and The dilution part 20 for generating the electrolysis portion 5 of electrolysis water 18 and diluting the electrolysis water 18 generated by electrolysis portion 5.
Electrolyte supply portion 10 can be supplied to the side in electrolysis portion 5 with will be stored in the electrolyte 12 of electrolytic bath 7 by pump 8 Formula is set.Electrolytic bath 7 can be built in electrolysis unit 60, can also be loaded on electrolysis unit 60 outside.In electrolytic bath 7 by outer loaded on electricity When solving the situation of device 60, electrolysis unit 60 can have electrolysis liquid flow inlet 42.Thus, electrolyte can be connected by pipe arrangement to flow into Mouth 42 and exterior electrolytic bath 7.Electrolyte supply portion 10 can have electrolytic bath of the electrolytic bath 7 with general capacity of Large Copacity At least one of 7.Thereby, it is possible to the capacity that the purposes for coordinating electrolysis unit 60 changes electrolytic bath 7.
In addition, in electrolytic bath 7 can be configured to the part higher than electrolysis portion 5, electrolyte 12 is supplied to electricity by gravity During the situation in solution portion 5, settable valve substitutes pump 8.
Electrolysis portion 5 is to be electrolysed electrolyte 12 and generate the part of electrolysis water 18.In addition, electrolysis portion 5 can have containing sun Pole 3 and the electrode for electrolysis 1 of negative electrode 4.In addition, can be so that electrolyte 12 be supplied to electrode pair 1 by electrolyte supply portion 10 Between mode electrolysis portion 5 is set.Thereby, it is possible to continuously manufacture electrolysis water 18 from electrolyte 12.
The electrolyte 12 that electrolyte supply portion 10 is supplied to electrolysis portion 5 can be set to the water containing acidic materials and alkali metal chloride Solution.In addition, electrolyte 12 can be the aqueous solution containing at least one of hydrochloric acid, sodium chloride and potassium chloride.Thereby, it is possible to logical Cross electrolysis water of the generation of electrolysis portion 5 containing hypochlorous acid (HClO), hypochlorite (NaClO, KClO etc.) and alkali metal chloride 18。
For example, in the electrolysis processing in electrolysis portion 5, it is considered as carrying out such as the anode reaction of chemical equation (1), (3), and enter The cathode reaction of row such as chemical equation (4).In addition, if the reaction of chemical equation (2) is considered as interior, dilute in electrolysis portion 5 Release the progress such as portion 20, electrolysis water stream, mixing part 19.Therefore, electrolyte is just in electrolysis portion 5 by the electrolysis water after electrolytically generated 18 bubbles that can turn into chlorine, hydrogen etc. are blended in the gas-liquid mixture fluid for the electrolysis water for having dissolved chlorine molecule or hydrogen molecule.Separately Outside, if carrying out the reaction such as chemical equation (2), bubble is reduced, and the concentration of the hypochlorous acid class of electrolysis water uprises.Due to (2) Reaction than very fast, therefore the chlorine molecule generated can largely be converted to hypochlorous acid class in electrolysis portion 5.Due to non-switched chlorine Molecule can be exposed to substantial amounts of water (H in dilution part 202O), the bubble of chlorine can largely disappear when therefore circulating in electrolysis water stream Go out.
2Cl-→Cl2+2e-…(1)
Cl2+H2O→HCl+HClO…(2)
H2O→1/2O2+2H++2e-…(3)
2H2O+2e-→H2+2OH-…(4)
If in addition, the aqueous solution electrolysis containing alkali metal chloride, the hypochlorites such as sodium hypochlorite, postassium hypochlorite can be produced by having And electrolysis water 18 turns into the situation of alkalescence, but due in present embodiment electrolyte 12 contain acidic materials, therefore electrolysis water 18 into For substantially neutrality.
The pH of the electrolysis water 18 manufactured by electrolysis unit 60 can for example be set to 6.5~7.5.In addition, also can be with electrolysis water 18 PH adjust the alkali metal chloride of electrolyte 12 and the ratio of acidic materials as 6.5~7.5 mode.
Further, can be by adjusting the ratios of the acidic materials contained by electrolyte 12 when pH to be made is set to more acid situation Example to the quantity delivered of the electrolyte 12 in electrolysis portion 5 or puts on the voltage of electrode for electrolysis 1 or circulates in electrode for electrolysis 1 The magnitude of current, adjust the pH of electrolysis water 18.
Electrolysis portion 5 can have the inflow entrance that can flow into of electrolyte 12 supplied from electrolyte supply portion 10 with by using electricity The electrolysis that solution is carried out with electrode pair 1 handles the flow export that the electrolysis water 18 of generation can flow out.Thereby, it is possible to connected by electrolysis portion 5 Electrolysis water 18 is manufactured continuously.Dilution part 20 is may also flow into from the electrolysis water 18 of flow export outflow.
Anode 3 and negative electrode 4 can each be set as tabular, can be by anode 3 and negative electrode 4 without barrier film and to being set in a manner of Put.Thereby, it is possible to shorten interelectrode distance, electrolytic efficiency can be lifted.In addition, anode 3 and negative electrode 4 can be with almost parallel and electric Anode-cathode distance configures as the mode in the range of 1mm~5mm.
Electrode for electrolysis to 1 can by a piece of anode 3 with a piece of negative electrode 4 to being set in a manner of, also can be with anode 3 and negative electrode 4 alternatively interval and the mode that is laminated is set, additionally it is possible to be laminated with multiple electrodes and the face of one of middle electrode As anode 3, the mode that another side turns into negative electrode 4 is set.
Electrode pair 1 can be tilted and configured in a manner of anode 3 turns into upside and negative electrode 4 turns into downside.In addition, Figure 11 is The explanation figure of inclined electrode pair 1 contained by the device for producing electrolytic water 60 of present embodiment.
In addition, the anolyte flow circuit being formed between the electrode surface of anode 3 and the electrode surface of negative electrode 4 can be with electrolyte 12 under The mode that side flows into anolyte flow circuit is set, and also can contain hypochlorous acid by what electrode pair 1 was electrolysed and generated with electrolyte 12 The mode that the electrolysis water of class flows out from the upside of anolyte flow circuit is set.Thus, it is believed that by caused by the electrode surface in negative electrode 4 The flowing of fluid caused by the floating of bubble, it can stir, mix the fluid near negative electrode 4 and the fluid near anode 3, can Promote the electrode reaction in anode 3.Therefore, the high electrolysis water of effective chlorine density can be generated.
In addition, by the way that negative electrode 4 is configured at into downside and is produced from flowing of the negative electrode 4 towards anode 3, can suppress by anode reaction Caused chlorine, oxidizing substance, hypochlorous acid etc. aoxidize the electrode surface of negative electrode 4, can efficiently generate containing hypochlorous acid class Electrolysis water.Further, since the oxidation of the electrode surface of negative electrode 4 can be suppressed, therefore Ti electrodes can be used for negative electrode 4, electrolysis can be lowered The manufacturing cost of device 60.
In addition, by the way that negative electrode 4 is configured at into downside, the hydrogen as caused by cathode reaction becomes easily from the electrode emaciated face of negative electrode 4 From, therefore the negative electrode effective area reduction caused by electrode surface of the bubble residence in negative electrode 4 can be suppressed, electrolytic efficiency can be suppressed Reduce.In addition, when Ti electrodes to be used for the situation of negative electrode 4, hydrogen molecule can be suppressed and be adsorbed on Ti electrodes and negative electrode 4 occurs Warpage.
Electrode pair 1 can be configured in a manner of turning into less than more than 10 degree 85 degree relative to the angle of inclination of vertical direction. In addition, electrode pair 1 is preferably configured in a manner of turning into less than more than 50 degree 80 degree relative to the angle of inclination of vertical direction.Cause This, can efficiently generate the electrolysis water containing hypochlorous acid class.This situation be the experiment that is carried out by the present inventor etc. and It is proved.Further, since electrode pair 1 is fully tilted and configured, therefore the height of electrolysis unit 60 can be reduced, can be achieved The electrolysis unit 60 set can be stablized.Thus, the overturning equivalent risk of electrolysis unit 60 can be lowered.
Anode 3 preferably substantially to have rectangular electrode surface, and one end of the length direction of electrode surface turns into upside, The mode that the other end turns into downside configures.In addition, negative electrode 4 is preferably substantially to have a rectangular electrode surface, and electrode surface One end of length direction turns into upside, and the mode that the other end turns into downside configures.Thus, anolyte flow circuit can be extended, improve electricity Solve efficiency.
Electrode pair 1 is preferably with the length direction of the electrode surface of the electrode surface or negative electrode 4 of the interval of anode 3 and negative electrode 4 and anode 3 The ratio of length is 1:100~1:10 mode is set.Thus, the bubble as caused by cathode reaction can float and close to anode 3, energy Enough improve electrolytic efficiency.
For example, electrode for electrolysis contains the electrode being made up of titanium plate (being referred to as Ti electrodes) to 1 and by sintering process in titanium Plate is coated with the electrode (being referred to as Pt-Ir covering Ti electrodes) of iridium or platinum.In addition, can turn into negative electrode 4 with Ti electrodes, Pt-Ir covers Power supply unit 6 is connected by the mode that lid Ti electrodes turn into anode 3 with electrode for electrolysis to 1.
The downstream that test section 25 can be arranged to electrode for electrolysis to 1 is surveyed.Test section 25 is to detect from electrolyte supply Portion 10 supplies to the mode of the quantity delivered reduction of the electrolyte 12 in electrolysis portion 5 and set.In addition, test section 25 can be arranged at compared with The electrode for electrolysis position higher to 1.
Test section 25 can be the detection electrode of the electrical characteristics (electric current, voltage, resistance, static capacity etc.) of measurement electrolysis water 18 26, or the optical detection part of optical the state for detecting electrolysis water 18, but preferred electrode is simple system.Due to electrostatic Capacity or optical detection method are untouchable, therefore influence caused by can not considering electrolysis water, therefore are used as detection means It can easily use, but need other special parts or control circuit.When the situation of detection electrode, according to object, fit The condition of the voltage of conjunction or electric current is different, so due in the present invention object to contain electrolyte solution, pretend as ability The common sense of the practitioner in domain, it is believed that it is difficult by electrode and is detected, it is not practical.That is, electrolyte leads to Cross the voltage for detecting or electric current and be electrolysed, therefore in the situation that can not obtain the characteristic of electrolyte in itself, and then in logical The electrolysis water crossed electrolysis and generated (is illustrated as having oxidability as hypochloric acid water or hypochlorous acid salt solution for the liquid of reactivity Liquid) situation when, because it is contemplated that situation etc. that electrode itself is oxidized and changed, it is believed that shortcoming stability can not ensure reality With the life-span of property.Therefore, as the purposes for being equipped on the maker in order to be commonly used for a long time, it is believed that be difficult with electrode Realize cheap and long lifespan detector.In fact, in the research of inventor etc., it is also necessary to properly select the setting of electrode The size of the stream of position and set location, can not be readily accomplished invention.Such as set to set electrode in stream In place of the sectional area of a little stream is big detection region, gas, liquid are separated and do not form liquid film, can not examine well Measure liquid (liquid film between bubble and bubble).In addition, reduce flow path in the mode for not cutting off liquid film, or make narrow between electrode And during the situation of setting, turn into by surface tension to open the situation of liquid film between electrode, bubble can not be detected.Any feelings Shape can not all detect clear and definite current peak, can not be in carly fruit drop stable state and abnormality.
By pump 8 by the electrolyte 12 for being stored in groove 7 supply to electrolysis portion 5 manufacture the situation of electrolysis water 18 when, if continue Electrolysis water 18 is manufactured, then has following situation:The electrolyte 12 being stored in groove 7 is slowly reduced, and groove 7 is emptying.If groove 7 is emptying, Electrolyte 12 can not supply to electrolysis portion 5, electrolyte 12 and reduce or be finished between electrode pair 1.Or there is following situation:That is toilet bowl 7 is not emptying, and pump 8 understands failure or leakage can occur in groove 7 and electrolysis portion 5, and electrolyte 12 is not supplied fully to electrolysis portion 5, Electrolyte 12 is reduced or is finished between electrode pair 1.If applying voltage to electrode pair 1 in such a state, there is following situation:By Cooling effect or the heat disappearance being released together with the electrolysis water generated caused by the electrolyte continuously fed, therefore electricity Heat in solution portion 5 can rise, or for the current density only when a part of circulating current of electrode is the situation for determining electric current It can uprise, electrolysis portion 5 or electrode pair 1 can be damaged.Therefore, it is necessary to detecting the supply of the electrolyte 12 between electrode pair 1 becomes not Sufficient situation, stop applying voltage to electrode pair 1.
Supplied by monitoring to the voltage or electric current of electrode pair 1, can detect that the exception of the electrolyte 12 between electrode pair 1, Detect the situation of supply stopping or deficiency.Under the usual condition of lasting normal supply, if other conditions are certain, voltage About certain state is generally remained with electric current.
If supplying power to electrode pair 1 with power supply to determine voltage from common power source or electrolysis, stopping or inadequate is supplied, in During this situation, after rising promotion cell reaction by temperature and rising and current value, by a large amount of to produce as fluidized state Bubble, electric current becomes to be difficult to circulate and current value reduces.Electric current becomes not circulate if the electrolyte evaporation between electrode pair 1.Cause This, can monitor current value, more than as certain current value if be judged as superheat state and stop applying voltage.Or If pushing the speed as the certain electric current above for the variable quantity that can calculate current value, can determine whether to rise for the temperature of exception Start, stop applying voltage before more.
If to determine electric current supply electric power, when the situation of supply stopping or deficiency, rise promotion electrolysis passing through temperature After reaction and magnitude of voltage decline, by producing a large amount of bubbles as fluidized state, electric current become to be difficult to circulate and on magnitude of voltage Rise.If the electrolyte evaporation between electrode pair 1, the maximum voltage that even constant current source can be supplied to, electric current also become not circulate. Therefore, it is possible to monitoring voltage value, below as certain magnitude of voltage if be judged as superheat state and stop applying voltage.Or Person, if as the certain voltage decrease speed above for the variable quantity that can calculate magnitude of voltage, it can determine whether as the temperature of exception Rising starts, and stops applying voltage before more.
In addition, even if it is preferably external environment condition change to determine electric current, the concentration of electrolysis water is still to be stable.
If setting test section 25, be capable of detecting when that groove 7 is emptying by test section 25 or pump 8 operate it is bad or in groove and electricity The situation of leakage or obstruction occurs for the pipe arrangement between solution portion, can stop applying voltage to electrode pair 1 in early stage.Therefore, it is possible to Suppress electrode pair 1 to damage.
In addition, if groove 7 is emptying and electrolyte 12 is not sufficiently supplied to electrolysis portion 5, electrolyte 12 or electrolysis water 18 from stream Eminence be lost in.Therefore, by the way that test section 25 to be positioned above to the position of electrode pair 1, electrolyte can be gone out in early detection 12 are not supplied fully to the situation of electrolyte 5.
Fig. 2 (a)~(e) is respectively the summary sectional view of a part for the electrolysis unit 60 of present embodiment.Detect electricity consumption Pole 26 for example can be the electrode pair for the pipe arrangement being arranged at such as Fig. 2 (a) between electrolysis portion 5 and dilution part 20, or such as Fig. 2 (b) electrode pair for the stream being arranged at as in electrolysis portion 5, or electrode for electrolysis is arranged at as Fig. 2 (c) to 1 top Electrode pair.In addition, test section 25 can be such as Fig. 2 (d), (e), by electrode for electrolysis to an electrode contained by 1 and Detection measures the electrical characteristics person of electrolysis water 18 with electrode 26.
If being electrolysed electrolyte 12 to 1 by electrode for electrolysis, due to that can carry out such as chemical equation (1)~(4) Chemical reaction, therefore the electrolysis water 18 generated by electrode pair 1 can turn into gas-liquid mixture fluid.Surveyed in by detection electrode 26 When measuring the situation of the electrical characteristics of gas-liquid mixture fluid, if bubble, by detection electrode 26, interelectrode resistance becomes big and flowed Pass through interelectrode electric current and become big.In addition, if liquid is by detection electrode 26, interelectrode resistance diminishes and circulates in electricity The electric current of interpolar diminishes.Therefore, when the situation for normally generating electrolysis water 18 to 1 by electrode for electrolysis, to detect electricity consumption Resistance that pole 26 measures etc. can change up and down.Therefore, by detecting the upper and lower variation, it is able to confirm that electrolysis water 18 by normally Generation.In addition, by detect this it is upper and lower change disappear, be capable of detecting when emptying groove, liquor charging failure of pump, pipe arrangement occur block or Cause leakage etc. abnormal.
The interelectrode width of detection electrode 26 can for example be set to 1mm~5mm.Thereby, it is possible to confirm the flowing of electrolysis water 18.
Though in addition, detecting the flowing of electrolysis water 18 with electrode 26 using detection herein, test section 25 is alternatively and examined optically Survey the optical detection part of the flowing of electrolysis water 18.
Fig. 3 is the explanation figure of the detecting system A contained by the electrolysis unit of second embodiment.Test section 25 can have such as System during exception is detected as detecting system A.In detecting system A, except the voltage or electric current of electrode for electrolysis 1 allow model Enclose (setting value) outside, also the variable quantity of the voltage to electrode for electrolysis 1 or the electric current rheological parameters' change with time of the rwo sets permissible range. According to the differential value of the magnitude of voltage of electrode for electrolysis 1 or current value, (differential value refers to hourly average become to test section 25 herein Change amount), when being capable of detecting when abnormal.In addition, in this situation, test section 25 is contained in control unit 6.In other detecting systems Test section in, by containing, also due to can be summarized in a substrate circuit, being minimized in control unit person and cost degradation, Therefore it is preferred.
For example, constant current source or determine the electrode that voltage source is connected to detection, by by magnitude of voltage now or current value in When variable quantity in certain certain time is distinguished as normal with it is abnormal when to detect exception.To voltage or electric current or the rwo through when The variable quantity of change sets permissible range.I.e. (differential value refers to hourly the differential value of detection magnitude of voltage or current value herein Mean change amount, also can be for referred to as slope).The detection method of magnitude of voltage or current value can be detected by previous method.Differential Value can be sampled with certain intervals to the magnitude of voltage or current value, and differential value is set to by obtaining difference. Wherein, if the too short time then can because of the influence of interference (noise) etc. and flase drop measures exception, therefore it is preferred that for example with 10 seconds~ 1 grade the time take out difference.
The detection of this detecting system is used in differential value substantially 0 under stable state with electrode.If for example, in electrode for electrolysis Possess detection electrode compared to the position of the supply mouth closer to electrolyte, then maintain the voltage of the electrical characteristics corresponding to electrolyte With the relation of electric current.Such as in electrolyte supply abend situation when, if possessing in electrolytic cell and close to electrolyte Supply mouth position, then the specific electricity of electricity of the electrolysis water continued close to the electrolysis of electrolyte using electrode for electrolysis Pressure and the relation of electric current.By this process, the state non-zero due to producing differential value, therefore it can detect that exception.In and then compared with electrolysis Groove is closer to when possessing the situation of detection electrode in the pipe arrangement of the groove of electrolyte or pipe arrangement way, near detection electrode Electrolyte continue because detection is electrolysed with electrode, similarly produce the non-zero state of differential value, therefore can detect that exception.
If in possessing detection electrode closer to the position of the outlet of electrolyte compared with electrode for electrolysis, maintain and be electrolysed The relation of voltage and electric current corresponding to the electrical characteristics of water.Such as in electrolyte supply abend situation when, if being electrolysed The position of outlet in groove and close to electrolyte possesses, then is continued close to the electrolysis of electrolyte using electrode for electrolysis The specific voltage of electricity of electrolysis water and the relation of electric current.By this process, the state non-zero due to producing differential value, therefore can examine Measure exception.In and then compared with electrolytic cell closer to possessing detection electrode in the pipe arrangement of the discharge opening of electrolysis water or pipe arrangement way During situation, interrupted by electrolysis water near detection electrode, or because of the situation that detection is electrolysed and then continued with electrode, The non-zero state of differential value is similarly produced, therefore can detect that exception.
If possessing detection electrode in close proximity same with electrode for electrolysis, maintain corresponding to the electrolyte in electrolysis The voltage of electrical characteristics and the relation of electric current.Such as in electrolyte supply abend situation when, then close to the electricity of electrolyte The specific voltage of electricity for the electrolysis water that solution is continued using electrode for electrolysis and the relation of electric current.By this process, due to The non-zero state of differential value is produced, therefore can detect that exception.
In addition, when possessing the situation of detection electrode in electrolytic cell, part or all and electrode for electrolysis can be shared, closed Also can be with electrolysis power sharing in power supply.
Fig. 4~6 are the explanation figure of the detecting system B contained by the electrolysis unit of the 3rd embodiment.Test section 25 can have Just like system when detecting exception as detecting system B.In detecting system B, as test section 25, possess and electrode for electrolysis 1 Different detections electrode 26.In possessing detection electrode 26 compared with the more top of electrode for electrolysis 1.In electrolyte supply interrupt or During insufficient situation, the change of the detection electrical conductivity near electrode 26 etc. is detected.Specifically, detect in electrolysis portion 5 The reduction of current value when the water level of electrolyte reduces.Though a pair of detections, which can be set, uses electrode 26, if by electrode for electrolysis 1 One is common to electrode for electrolysis 1 and detection electrode 26, then can reduce number of components.And if then also share power supply unit, can Save the power supply of test section.Even electrode for electrolysis 1, there is also it is identical with prior method as follows the problem of:Because water level drops Low, the effective area of electrode is reduced, therefore current value declines or magnitude of voltage rises, but the ratio changed is (relative to overall value The ratio of changing value) or S/N values diminish.Thus, for example slit can be set in the top of electrode for electrolysis 1 and separate a part, Other distributions are set and measure the current value for the distribution that circulates, thus detection is abnormal.Current value for example can be by measuring branch electricity The previous various methods such as the voltage of (shunt resistance) are hindered to measure.
Fig. 7,8 for the 4th embodiment electrolysis unit contained by detecting system C explanation figure.Test section 25 can have System during exception is detected such as detecting system C.In detecting system C, test section 25 be likewise supplied with detection by the use of electrode 26 as Detector, but possess in supply mouth (the electrolyte confession in electrolysis portion compared with electrode for electrolysis 1 closer to electrolysed substance (electrolyte) To mouth) place.Thus, by detecting the difference of the electrical characteristics of electrolysed substance and the electrical characteristics of electrolytically generated thing (electrolysis water), can examine Measure the supply interruption of electrolysed substance (electrolyte) or insufficient situation.It can be obtained under stable state and be closer to electrolysed substance The value of the electrical characteristics of (electrolyte), but turn into the value close to the electrical characteristics of electrolytically generated thing (electrolysis water) under abnormality, it can examine Measure exception.
Fig. 9,10 for the 5th embodiment electrolysis unit contained by detecting system D explanation figure.Test section 25 can have Just like system when detecting exception as detecting system D.In detecting system D, test section 25 is likewise supplied with detection electrode 26 and made For detector, but possess in compared with electrode for electrolysis 1 closer to the (electrolysis during situation of electrolysis at the outlet of electrolytically generated thing The discharge opening in portion 5) or outlet, or pipe arrangement or the pipe arrangement midway being connected with outlet.
Thus, by detect electrolytically generated thing (electrolysis water) be continuously transported relative to the container to detector it is normal when with it is really not so when The difference of the electrical characteristics (when i.e. electrolysis water is not transported) is waited, can detect that the supply of electrolysed substance (electrolyte) is interrupted.In addition, Even if electrolyte is transported, it also can detect that such as because electrolysis portion is damaged and cause electrolysis water compared with generally, from electrolysis portion The quantitative change being discharged is few, or the exception not being discharged completely.
And then by detect electrolytically generated thing (electrolysis water) be continuously transported relative to the container to detector it is normal when electrical characteristics and electrolysis The difference of electrical characteristics when material (electrolyte) is transported, though also can detect that as electrolysed substance (electrolyte) supply just Often, but electrolysis is inadequate or the exception that can not be electrolysed.
In addition, at least a portion of detection electrode can double as electrode for electrolysis.When this situation, because component count tails off, into This step-down, therefore practicality improves, therefore be preferred.And if then detection with electrode pair for tilt possess, detection sensitivity can on Rise, therefore be preferred.And then more preferably electrolytic cell possesses cooling system, particularly water-cooling system.
In in electrolysis portion, if detection electrode pair is set to electrode for electrolysis to possessing as parallel mode, due to energy It is enough using for keeping detection to be molded as electrolysis portion by the use of electrode pair and the maintaining part of electrode for electrolysis pair simultaneously, therefore can it is low into This change.And then be obliquely installed by will abreast possess detection simultaneously with electrode pair and the electrolysis portion of electrode for electrolysis pair, because It can carry out detecting the lifting of sensitivity and the lifting of electrolytic efficiency simultaneously, so it is preferred that.And then by possessing water-cooling system, due to The temperature stabilization of detection electrode and electrode for electrolysis, therefore realize the high detecting system of reliability and electrolysis system.Its reason In general electrical characteristics or chemical reaction for material have temperature dependency.Detector using electrode is the electricity using material Characteristic, electrolysis is to utilize electrochemical reaction, therefore preferable temperature stabilization person, is preferably provided with cooling system.
Dilution part 20 is set in a manner of by water, the electrolysis water 18 generated using electrolysis portion 5 is diluted.Thereby, it is possible to Electrolysis water 18 of the generation with appropriate effective chlorine density, can make the electrolysis water 18 be spued from discharge opening 14.
In addition, by the electrolysis water 18 generated using electrolysis portion 5 being diluted in dilution part 20, can make manufactured electrolysis water 18 Quantitative change it is more.Water for dilution is, for example, running water., can be by being connected to water when diluting the situation of electrolysis water 18 with running water The magnetic valve 23 of tap, running water is supplied to dilution part 20.Or the method being electrolysed after dilute electrolyte, but deposit In following situation:Mineral composition contained by dilution water etc. can separate out is electrolysed ability reduction in electrode for electrolysis, or will be dilute The composition contained by water is released to be electrolysed and the concentration of electrolysis water or pH inequalities.It is therefore preferable that such as the present embodiment, it is electrolysed in electrolysis portion After electrolyte, it is diluted with dilution waters such as running water.
Dilution part 20 can also be collaborated with the flowing of the electrolysis water 18 generated in electrolysis portion 5 and the flowing for the water being diluted Mode set.In this situation, dilution part 20 is actually to be collaborated with the flowing of the electrolysis water 18 generated in electrolysis portion 5 as water The mode of flowing square to the water of flowing is set.In addition, dilution part 20 can also following manner setting:By using dilution The flowing of water and caused venturi-effect (venturi effect), attract the electrolysis water 18 generated in electrolysis portion 5.
In addition, dilution part 20 also can be with dilution trap that the water in the electrolysis water 18 that is generated in electrolysis portion 5 and dilution can flow into The mode being diluted is set.
Electrolysis unit 60 can be also set in a manner of it can change the water diluted in dilution part 20.For example, can be with The mode for making supply change to the water of dilution part 20 sets magnetic valve 23.The electricity different thereby, it is possible to generate effective chlorine density Water 18 is solved, the effective chlorine density of electrolysis water can be changed according to the purposes of electrolysis water 18.
In addition, control unit 6 can be set in a manner of the changeable generally electrolysis water 18 of concentration is with the electrolysis water 18 of high concentration.Control Portion 6 processed can be by controlling magnetic valve 23 to switch the concentration of electrolysis water 18.For example, can be by the effective chlorine of the electrolysis water 18 of usual concentration Concentration is set to 15~25ppm, the effective chlorine density of the electrolysis water 18 of high concentration can be set into 45~55ppm.
And then it is preferably provided with the magnetic valve of motorized needle valve substitution suitching type.If motorized needle valve, due to can continuously change stream Amount, can from maximum stream flow when least concentration be continuously generated the electrolysis water of arbitrary higher concentration.
It is settable to pass through the cooling end 54 in the water cooling electrolysis portion 5 for diluting electrolysis water 18.Thus, the electricity by electrode can be suppressed Generated heat caused by the solution resistance of resistance or electrolyte, or the reaction by betiding the various chemical reactions in electrolysis portion is thermally-induced The temperature in electrolysis portion 5 uprises, and can suppress electrolytic efficiency and change and produce density unevenness, or the life-span of electrolysis portion or electrode is because of heat And reduce.Cooling end 54 can for example be set to the cooling water stream 53 that the water of dilution is flowed.Thereby, it is possible to flowed cooling water Stream be set to one and manufactured as electrolysis portion, can suppress unnecessary part or installation exercise increases, therefore is preferred.
Figure 12 is the summary sectional view of a part for the electrolysis unit 60 of the 6th embodiment.Cooling water stream 53 for example may be used Such as Figure 12, set as follows:Running water flows into cold from the cooling flow inlet 56 for the upstream portion for being arranged at dilution part 20 But current road 53, after running water is flowed around electrode for electrolysis is to 1, running water is from the downstream portion for being arranged at dilution part 20 Mouth 57 is cooling water flow out of to flow out.By being arranged such cooling water stream 53, can utilize for electrolysis water 18 dilution originally Water cooling electrolysis portion 5.
Cooling water stream 53 can also be arranged at the structure member 52 in electrolysis portion 5 such as Figure 12, or be arranged at electrolysis portion 5 weeks The pipe arrangement enclosed.
Electrolysis portion 60 can possess mixing part 19.Mixing part 19 is to set as follows:The electricity diluted by dilution part 20 Solve water 18 and flow into mixing part 19, the electrolysis water 18 flowed out from mixing part 19 is supplied to discharge opening 14.By possessing such a stirring Portion 19, the chlorine for failing to be completely converted into hypochlorous acid class can be converted into hypochlorous acid class in electrolysis portion 5 and dilution part 20.By This, the pH of the electrolysis water 18 to be spued from discharge opening 14 or effective chlorine density can be stabilized, can generate the electricity of stay in grade Solve water 18.Mixing part 19 can be the tank that sinuous flow can occur, or possess the tank diameter of stirrer.
Though without mixing part 19 also can, the person's of possessing concentration is relatively stable.In addition, even if just in case because some reasons, chlorine divides Son can not be converted into hypochlorous acid class in electrolysis portion 5, dilution part 20, electrolysis water stream, by possessing mixing part 19, can promote chlorine Conversion of the molecule to hypochlorous acid class, therefore there is suppression chlorine to disengage and more improve the effect of hypochlorous acid concentration.Such as in electricity The chlorine that solution portion 5 generates is relatively large relative to the aqueous solution in electrolysis portion 5, and the electricity from dilution part 20 untill discharge opening When solving the extremely short situation in current roads, there is the situation that non-switched chlorine is spued.Possesses mixing part 19, Neng Gouyan in such a situation The actual effect length of long electrolysis water stream, and the bubble of chlorine is turned into tiny bubble by the sinuous flow of mixing part 19, increase The bubble surface area of per unit amount of chlorine, while increase the frequency of exposure with dilution hydrone, thus efficiency is well by chlorine Be converted to hypochlorous acid class.Thereby, it is possible to suppress chlorine to disengage into air, the effective chlorine density of electrolysis water is improved.
Discharge opening 14 can be connected to injection mouthpiece 24.Thus, the electrolysis water 18 generated in electrolysis unit 60 can be supplied To inlet, by the way that the self seeding mouth of electrolysis water 18 is filled into bucket 51 etc., electrolysis water 18 can be used in various uses.Example Such as, injection mouthpiece 24 can be set to flexible hose (flexible hose).In addition, discharge opening 14 or inlet.
Control unit 6 can control electrolysis water generating unit 2.Control unit 6 can pass through signal wire or power feed line and pump 8, electrolysis Connected with electrode pair 1, magnetic valve 23 or detection electrode 26.In addition, control unit 6 can contain test section 25.In addition, control unit 6 It can be connected with detection electrode 26, also can together constitute with test section 25 with detection electrode 26.
Control unit 6 is set in a manner of it can input the signal from operating portion 11.Operating portion 11 can be operating knob, or Contact panel.In addition, operating portion 11 can be connected by signal wire with control unit 6.Or electrolysis unit 60 is carried out to be far apart behaviour Author.
Electrolysis water test experience
Electrolysis portion 5 is made such as Fig. 2 (c) and such as Figure 10, carries out detecting the electricity generated in electrode for electrolysis 1 with detection electrode 26 Solve the experiment of water 18.Detection is 3mm × 3mm with the size of the significant surface of electrode, and interelectrode distance is 2mm.In addition, conduct The material of electrode, use person identical with electrode for electrolysis.Experimental result is shown in Figure 13,14.
Figure 13 is that the electrolyte 12 for representing to be fed to electrolysis portion 5 is electrolysed by electrode for electrolysis 1 and generates electrolysis water 18 When, the chart of the detection change of the detection electric current of electrode 26.When being known in the situation for normally generating electrolysis water 18, detection is used The detection electric current of electrode 26 can change up and down.Additionally, it is known that the duration that detection electric current is small state is less than 5 seconds.Recognize For the reason is that alternatively passing through detection electrode 26 by the bubble and electrolysis water of electrolytically generated chlorine or hydrogen.Cause This, it is known that by detecting whether that such a variation up and down for detecting electric current occurs, it can detect whether electrolysis water 18 normally generates. Additionally, it is known that by detecting that it is the small state situation that continues more than 5 seconds to detect electric current, be capable of detecting when electrolyte 12 not by Supply to electrolysis portion 5.
Figure 14 is the detection electric current of the detection electrode 26 when representing to stop the situation to the supply of electrolysis portion 5 electrolyte 12 The chart of change.If stopping the supply of electrolyte 12, about 5 seconds after supply stops, detecting that the variation up and down of electric current becomes can not It is measured.Thus situation can be learnt, by detection electrode 26, the supply that electrolyte 12 can be gone out in early detection stops.
Similarly, can also be set to use in possessing detection from pipe arrangement of the electrolysis portion untill discharge opening such as Fig. 2 (a) and such as Fig. 9 The structure of electrode.The internal diameter of pipe arrangement is set to about 3mm and tested, obtains same result.
In addition, detection is preferably disposed at supply mouth with the leading-out terminal (post) of electrode.Set if so, then portion of terminal And the electrode near portion of terminal becomes less exposed to the situation of the high electrolysis water of the high gas of reactivity or concentration, therefore in end Son and the junction surface of terminal and electrode are not likely to produce bad situation.
Test section contained by the electrolysis unit of the present invention is especially suitable for the electrolysis unit that electrode for electrolysis is tilted and used.Incline The electrode for electrolysis tiltedly set electrolytic efficiency lifting, on the other hand relative to electrolyte supply condition change, generated The concentration of electrolysis water easily change rapidly.It is therefore preferable that using abnormal test section of the invention can be gone out in early detection. And then due to detection electrode also for tilt the person of possessing sensitivity become it is good, therefore possess inclined electrode for electrolysis with it is inclined The electrolysis unit of detection electrode can improve electrolysis performance, and can improve security or reliability.
Effective chlorine density measurement experiment
The electrolysis unit as the electrolysis portion 5 contained by electrolysis unit 60 as shown in Figure 1 is made, makes hanging down relative to electrode pair 1 Nogata to angle change and carry out electrolytic experiment.In electrode pair 1, the thick titaniums of the 1mm by long side 8cm, short side 3cm are used The electrode (be referred to as Ti electrodes) that plate is formed and the thick titaniums of 1mm that platinum and iridium are coated on to long side 8cm, short side 3cm by sintering process The electrode (being referred to as Pt-Ir covering Ti electrodes) of plate.Ti electrodes are covered as almost parallel and electrode spacing using Ti electrodes and Pt-Ir From the structure member 20 that electrode pair 1 for the mode in the range of 1mm~5mm, is fixed on to vinyl chloride resin, electrolysis dress is made Put.In addition, turning into negative electrode with Ti electrodes, the mode that Pt-Ir covering Ti electrodes turn into anode connects supply unit and electrode pair 1.
In a manner of turning into about -80~about+80 degree relative to the angle of inclination of the vertical direction of electrode pair 1, change and angle is set And made electrolysis unit is set, anolyte flow circuit 7 is supplied from downside certain flow 2~4% sodium chloride and 0.3~ The mixed aqueous solution of 0.4% hydrochloric acid.In addition, angle of inclination is 0 degree when electrode pair 1 is vertical, Ti electrodes are covered with Pt-Ir Angle of inclination be positive-angle when the mode that (anode) turns into upside tilts electrode pair 1, is covered with Pt-Ir under Ti electrodes turn into The mode of side make electrode pair 1 tilt when angle of inclination be negative angle.
Then, supply 5A to electrode pair 1 by supply unit determines electric current, and electricity is carried out to the mixed aqueous solution of sodium chloride and hydrochloric acid Solution processing.In addition, between application voltage is about 4~5V.In addition, carry out the effective chlorine density (mg/ of the aqueous solution after electrolysis processing L measurement).The mensuration of effective chlorine density is evaluated by the color reaction caused by oxidation, therefore the present embodiment In effective chlorine density refer to be evaluated the amount of all reactive materials with oxidability as effective chlorine density Value.
The measurement result that effective chlorine density is tested is shown in Figure 15.In addition, the effective chlorine density for being shown in Figure 15 is standardization To 1L dilution situation when effective chlorine density.According to this result, if turning into upper using the Pt-Ir covering Ti electrodes as anode For the mode inclined electrode of side to 1, then the scope for being 20 degree~85 degree in angle of inclination can improve the aqueous solution after electrolysis processing Effective chlorine density, especially 50 degree~80 degree for height.
On the contrary, if to 1, electrolysis is handled inclined electrode in a manner of turning into downside using the Pt-Ir covering Ti electrodes as anode The effective chlorine density of the aqueous solution afterwards reduces.
Therefore, following situation is learnt:Matched somebody with somebody by the way that electrode pair 1 is tilted in a manner of anode turns into upside, negative electrode turns into downside Put, the effective chlorine density of the electrolysis water of generation can be improved.
In addition, the more minus side near compared with 0 degree, through fraction of angle change, effective chlorine density is greatly reduced.Therefore compared with 0 degree more Positive side, that is, by anode turn into upside, negative electrode turn into downside in a manner of inclined electrode to 1 configuration person, for set angle Inequality for be stable, and can also improve effective chlorine density, thus in practicality be it is preferred, especially more preferably more than 20 degree Less than 80 degree.
The explanation of reference
1 electrode for electrolysis or electrode for electrolysis pair
2 electrolysis water generating units
3 anodes
4 negative electrodes
5 electrolysis portions
6 control unit power supply units
7 electrolytic baths
8 electrolyte pumps
10 electrolyte supply portions
11 operating portions
12 electrolyte
14 discharge openings
18 electrolysis waters
19 mixing parts
20 dilution parts
23 magnetic valves
24 injection mouthpieces
25 test sections
26 detection electrodes
28 housings
41 originally flow inlets
42 electrolysis liquid flow inlets
51 buckets
52 structure members
53 cooling water streams
54 cooling ends
56 cooling flow inlets
57 cooling water flow out of mouth
60 electrolysis units

Claims (17)

1. a kind of electrolysis unit, it is characterised in that possess:
Electrolysis portion, set in a manner of the electrolysed substance supplied is electrolysed and discharges electrolytically generated thing;With test section,
The electrolysis portion possesses electrode for electrolysis,
The test section possesses the measurement electrolysed substance or the electrical characteristics of the electrolytically generated thing or the mixture of the rwo Detection electrode, and supply to the reduction of the quantity delivered of the electrolysed substance in the electrolysis portion for detecting or arranged from the electrolysis portion The reduction of the discharge rate of the electrolytically generated thing gone out.
2. electrolysis unit according to claim 1, it is characterised in that
The detection is arranged at the top of the electrode for electrolysis with electrode.
3. the electrolysis unit according to claim 1 or claim 2, it is characterised in that
The detection is arranged at electrode and surveyed than the electrode for electrolysis more upstream.
4. the electrolysis unit according to claim 1 or claim 2, it is characterised in that
The detection is arranged at survey more further downstream than the electrode for electrolysis with electrode, and is arranged in the electrolysis portion or connects It is connected in the pipe arrangement in the electrolysis portion.
5. the electrolysis unit according to any one of claim 1 to claim 4, it is characterised in that
The detection electricity consumption best possesses one group of electrode pair less,
One electrode of the electrode pair of the detection electrode electrically connects with the electrode for electrolysis.
6. the electrolysis unit according to any one of claim 1 to claim 5, it is characterised in that
The detection electricity consumption best possesses one group of electrode pair less,
The detection one electrode of the electrode pair of electrode shapes with the electrode for electrolysis as one.
7. the electrolysis unit according to any one of claim 1 to claim 6, it is characterised in that
The electrode for electrolysis and the detection electrode are set in a manner of being arranged obliquely.
8. the electrolysis unit according to any one of claim 1 to claim 7, it is characterised in that
The electrolysed substance is electrolyte,
Electrolyte can be electrolysed and generate the electrolysis water containing hypochlorous acid class by the electrolysis portion.
9. electrolysis unit according to claim 8, it is characterised in that
The detection is to measure by the electrolysis of electrolyte and the gas generated and the gas-liquid mixture fluid of electrolysis water with electrode The modes of electrical characteristics set.
10. a kind of electrolysis unit, it is characterised in that possess:
Electrolysis portion, electrolysed substance is electrolysed;With
Test section,
The electrolysis portion possesses electrode for electrolysis,
The test section is according to the variable quantity of the rheological parameters' change with time for the I-E characteristic for putting on the electrode for electrolysis, detection Supply the reduction of the quantity delivered to the electrolysed substance in the electrolysis portion.
11. electrolysis unit according to claim 10, it is characterised in that
The test section is according to the differential value of the variable quantity for the voltage for putting on the electrode for electrolysis or circulates in the electrolysis With the differential value of the variable quantity of the electric current of electrode, the reduction of detection supply to the quantity delivered of the electrolysed substance in the electrolysis portion.
12. according to the electrolysis unit described in claim 10 or claim 11, it is characterised in that
The electrolysed substance is electrolyte,
The electrolyte can be electrolysed and generate the electrolysis water containing hypochlorous acid class by the electrolysis portion.
13. according to the electrolysis unit any one of claim 8, claim 9 and claim 12, it is characterised in that
Electrolyte supply portion is further equipped with,
The electrolyte supply portion is set in a manner of by electrolyte supply to the electrolysis portion for being stored in groove.
14. according to the electrolysis unit any one of claim 8, claim 9, claim 12 and claim 13, Characterized in that,
It is further equipped with the water-reducible dilution part of the electrolysis that will be generated by the electrolysis portion.
15. electrolysis unit according to claim 14, it is characterised in that
It is further equipped with cooling down the cooling end in the electrolysis portion,
The cooling end is set in a manner of by by electrolysis portion described in the water-reducible water cooling of electrolysis.
16. according to the electrolysis unit any one of claim 8, claim 9, claim 12 to claim 15, Characterized in that,
The electrolyte is the aqueous solution containing acidic materials and alkali metal chloride.
17. electrolysis unit according to claim 16, it is characterised in that
The acidic materials are hydrochloric acid,
The alkali metal chloride is at least one of sodium chloride and potassium chloride.
CN201580079281.7A 2015-04-28 2015-08-21 Electrolysis unit Pending CN107849712A (en)

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US20180135192A1 (en) 2018-05-17

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