WO2017168475A1 - 電解液体生成装置 - Google Patents
電解液体生成装置 Download PDFInfo
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- WO2017168475A1 WO2017168475A1 PCT/JP2016/004467 JP2016004467W WO2017168475A1 WO 2017168475 A1 WO2017168475 A1 WO 2017168475A1 JP 2016004467 W JP2016004467 W JP 2016004467W WO 2017168475 A1 WO2017168475 A1 WO 2017168475A1
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/46104—Devices therefor; Their operating or servicing
- C02F1/46109—Electrodes
- C02F1/46114—Electrodes in particulate form or with conductive and/or non conductive particles between them
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/46104—Devices therefor; Their operating or servicing
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/467—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction
- C02F1/4672—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction by electrooxydation
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/78—Treatment of water, waste water, or sewage by oxidation with ozone
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B1/00—Electrolytic production of inorganic compounds or non-metals
- C25B1/01—Products
- C25B1/13—Ozone
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B9/00—Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies; Process-related cell features
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B9/00—Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies; Process-related cell features
- C25B9/17—Cells comprising dimensionally-stable non-movable electrodes; Assemblies of constructional parts thereof
- C25B9/19—Cells comprising dimensionally-stable non-movable electrodes; Assemblies of constructional parts thereof with diaphragms
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/46104—Devices therefor; Their operating or servicing
- C02F1/46109—Electrodes
- C02F2001/46133—Electrodes characterised by the material
- C02F2001/46138—Electrodes comprising a substrate and a coating
- C02F2001/46147—Diamond coating
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/46104—Devices therefor; Their operating or servicing
- C02F1/46109—Electrodes
- C02F2001/46152—Electrodes characterised by the shape or form
- C02F2001/46157—Perforated or foraminous electrodes
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/46—Apparatus for electrochemical processes
- C02F2201/461—Electrolysis apparatus
- C02F2201/46105—Details relating to the electrolytic devices
- C02F2201/4611—Fluid flow
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/46—Apparatus for electrochemical processes
- C02F2201/461—Electrolysis apparatus
- C02F2201/46105—Details relating to the electrolytic devices
- C02F2201/46115—Electrolytic cell with membranes or diaphragms
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/46—Apparatus for electrochemical processes
- C02F2201/461—Electrolysis apparatus
- C02F2201/46105—Details relating to the electrolytic devices
- C02F2201/4616—Power supply
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/78—Details relating to ozone treatment devices
- C02F2201/782—Ozone generators
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/14—Maintenance of water treatment installations
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2307/00—Location of water treatment or water treatment device
- C02F2307/12—Location of water treatment or water treatment device as part of household appliances such as dishwashers, laundry washing machines or vacuum cleaners
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2307/00—Location of water treatment or water treatment device
- C02F2307/14—Treatment of water in water supply networks, e.g. to prevent bacterial growth
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/36—Hydrogen production from non-carbon containing sources, e.g. by water electrolysis
Definitions
- the present disclosure relates to an electrolytic liquid generation apparatus.
- an electrolytic electrode device composed of an anode, a conductive film, and a cathode is used, and ozone (electrolytic product) is generated by the electrolytic electrode device to generate ozone water (electrolytic liquid).
- ozone electrolytic product
- Patent Document 1 Japanese Patent Document 1
- a groove portion composed of a hole formed in the cathode and a hole formed in the conductive film is formed, and is introduced by introducing water into the groove portion.
- the treated water is electrolytically treated.
- the electrolytic liquid generating device is formed by supporting the electrolytic electrode device on the support structure formed in the pipe, so that the assembly process of the electrolytic liquid generating device may be complicated. .
- the present disclosure solves the above-described conventional problems, and an object thereof is to obtain an electrolytic liquid generating apparatus that can be assembled more easily.
- an electrolytic liquid generating apparatus of the present disclosure includes a laminated body that is laminated so that a conductive film is interposed between electrodes adjacent to each other, an electrolytic unit that performs electrolytic treatment of the liquid, And a housing in which the portion is disposed.
- a flow path is formed in the housing so that the liquid flow direction intersects the stacking direction of the stacked body.
- the flow path is connected to the upstream external flow path and into which the liquid supplied to the electrolysis unit flows, and the electrolytic liquid that is connected to the downstream external flow path and generated in the electrolysis section flows out. And an outlet.
- the electrolytic part is formed with a groove part that opens to the flow path and exposes at least a part of the interface between the conductive film and the electrode.
- the housing includes a recess having an opening through which the electrolysis section can be inserted, an electrode case in which the electrolysis section is accommodated in the recess, and an electrode case lid that covers the opening of the electrode case. .
- the electrolysis part is accommodated in a recessed part in the state which made the lamination direction of the laminated body substantially correspond with the opening direction of the opening part.
- an electrolytic liquid generating apparatus that can be assembled more easily can be obtained.
- FIG. 1 is a perspective view of an electrolytic liquid generating apparatus according to an embodiment of the present disclosure as viewed from above.
- FIG. 2 is a perspective view of the electrolytic liquid generating apparatus according to the embodiment of the present disclosure as viewed from below.
- FIG. 3 is a plan view illustrating the electrolytic liquid generating apparatus according to the embodiment of the present disclosure.
- FIG. 4 is a side view showing the electrolytic liquid generating apparatus according to the embodiment of the present disclosure.
- FIG. 5 is a back view illustrating the electrolytic liquid generating apparatus according to the embodiment of the present disclosure.
- FIG. 6 is a front view illustrating the electrolytic liquid generating apparatus according to the embodiment of the present disclosure.
- 7 is a cross-sectional view taken along the line 7-7 in FIG.
- FIG. 8 is a cross-sectional view taken along the line 8-8 in FIG. 9 is a cross-sectional view taken along line 9-9 of FIG. 10 is a cross-sectional view taken along the line 10-10 in FIG. 11 is a cross-sectional view taken along the line 11-11 in FIG.
- FIG. 12 is an exploded perspective view of the electrolytic liquid generating apparatus according to the embodiment of the present disclosure as viewed from above.
- FIG. 13 is an exploded perspective view of the electrolytic liquid generating apparatus according to the embodiment of the present disclosure as viewed from below.
- FIG. 14 is a perspective view of the electrode case of the electrolytic liquid generating device according to the embodiment of the present disclosure as viewed from one side.
- FIG. 15 is a perspective view of the electrode case of the electrolytic liquid generating device according to the embodiment of the present disclosure as viewed from the other side.
- FIG. 16 is a perspective view illustrating an electrolysis unit of the electrolytic liquid generating apparatus according to the embodiment of the present disclosure.
- FIG. 17 is an enlarged perspective view illustrating a part of the electrolysis unit of the electrolytic liquid generating apparatus according to the embodiment of the present disclosure.
- FIG. 18 is a perspective view illustrating a state in which the electrolysis unit of the electrolytic liquid generating device according to the embodiment of the present disclosure is stacked in the electrode case.
- FIG. 16 is a perspective view illustrating an electrolysis unit of the electrolytic liquid generating apparatus according to the embodiment of the present disclosure.
- FIG. 17 is an enlarged perspective view illustrating a part of the electrolysis unit of the electrolytic liquid generating apparatus according to the embodiment of the present disclosure.
- FIG. 18 is a perspective view illustrating a state in which the electrolysis unit of the electrolytic liquid generating device according to
- FIG. 19 is a perspective view illustrating a state in which the electrolysis unit of the electrolytic liquid generating device according to the embodiment of the present disclosure is accommodated in the second recess of the electrode case.
- FIG. 20 is a side cross-sectional view schematically showing the groove and the flow path of the electrolytic liquid generating device according to the embodiment of the present disclosure.
- FIG. 21 is a perspective view schematically illustrating the relationship between the groove and the protrusion of the electrolytic liquid generating device according to the embodiment of the present disclosure.
- FIG. 22 is an exploded perspective view illustrating a first modified example of the electrolytic liquid generating device according to the embodiment of the present disclosure.
- FIG. 23 is an exploded perspective view showing a second modified example of the electrolytic liquid generating device according to the embodiment of the present disclosure.
- An electrolytic liquid generating apparatus includes a stacked body that is laminated so that a conductive film is interposed between electrodes adjacent to each other, and an electrolytic unit that electrolyzes a liquid, and an electrolytic unit is provided inside And a housing disposed on the housing.
- a flow path is formed in the housing so that the liquid flow direction intersects the stacking direction of the stacked body.
- the flow path is connected to the upstream external flow path and into which the liquid supplied to the electrolysis unit flows, and the electrolytic liquid that is connected to the downstream external flow path and generated in the electrolysis section flows out. And an outlet.
- the electrolytic part is formed with a groove part that opens to the flow path and exposes at least a part of the interface between the conductive film and the electrode.
- the housing includes a recess having an opening through which the electrolysis section can be inserted, an electrode case in which the electrolysis section is accommodated in the recess, and an electrode case lid that covers the opening of the electrode case. .
- the electrolysis part is accommodated in a recessed part in the state which made the lamination direction of the laminated body substantially correspond with the opening direction of the opening part.
- the attachment direction of the electrode case lid to the electrode case can be made substantially coincident with the lamination direction of the laminate, and the electrolytic liquid generating apparatus can be assembled by moving each member relative to the lamination direction. Become. As a result, the electrolytic liquid generating device can be assembled more easily.
- the flow path is formed between the electrolysis part and the electrode case lid.
- the flow path can be formed by covering the opening of the electrode case with the electrode case lid in a state where the electrolytic section is accommodated in the recess, and the electrolytic liquid generating apparatus having the flow path can be assembled more easily. Can do.
- the electrode and the conductive film are laminated so that at least the side surfaces extending in the longitudinal direction are substantially the same surface.
- positioning of the laminated body in the channel width direction is performed by making the side surfaces extending in the longitudinal direction of the respective members flush with each other, and therefore positioning of the laminated body in the channel width direction can be performed more easily. Will be able to.
- the electrode case is provided with an introduction guide portion that extends in the stacking direction of the stacked body and guides the insertion of the electrolysis portion into the recess.
- an elastic body that is in contact with one side in the stacking direction of the stacked body in the electrolysis section is disposed.
- the dimension variation in the stacking direction of the electrolysis unit can be absorbed by the elastic body, and the stacking body is positioned in the stacking direction. Can be performed more easily.
- the elastic body is disposed between the electrolysis part and the electrode case.
- an elastic body can be disposed inside the electrode case, and the electrolytic liquid generating apparatus can be assembled more easily.
- a welded portion in which the electrode case and the electrode case lid are welded is formed at the peripheral edge of the opening in the housing.
- the electrode case lid can be easily attached to the electrode case, and the electrolytic liquid generating apparatus can be assembled more easily.
- the electrode includes an anode and a cathode, and the electrolysis unit is electrically connected to the anode, an anode-side power supply shaft that applies a voltage to the anode, and is electrically connected to the cathode.
- a cathode-side power supply shaft for applying a voltage for applying a voltage.
- anode side feeding shaft and the cathode side feeding shaft extend in the stacking direction.
- anode-side power supply shaft and the cathode-side power supply shaft extend toward the side opposite to the flow path.
- One of the anode-side power supply shaft and the cathode-side power supply shaft is provided on the inflow side of the electrolysis unit, and the other is provided on the outflow side of the electrolysis unit.
- the electrolysis part has a substantially rectangular shape in which the liquid passing direction is the longitudinal direction when viewed from the stacking direction, and the anode-side power supply shaft and the cathode-side power supply shaft are provided at diagonal portions of the electrolysis part. Yes.
- At least one of the anode side feeding shaft and the cathode side feeding shaft is provided separately from the electrode.
- each member constituting the electrolysis unit can be processed more easily, and the cost can be reduced.
- At least one of the members constituting the electrolysis unit is curved in the stacking direction.
- the groove is formed to have a depth smaller than at least one of the opening width in the liquid passing direction of the groove and the height in the stacking direction of the flow paths.
- the flow path is formed so that the height in the stacking direction is smaller than the width of the flow path.
- the generated electrolytic product can be dissolved more quickly, and the dissolution concentration of the electrolytic product in the liquid can be further increased. Can be improved.
- the protrusion is in contact with the surface of the electrolysis section on the flow path side.
- the electrolytic portion can be pressed by the protrusion, so that the contact between the conductive film and the electrode can be more reliably maintained.
- the current density of the current flowing through the electrolysis section can be made more uniform, and the generation efficiency of the electrolysis product can be further improved.
- the protrusion is formed at the center of the flow path width direction.
- the conductive film and the electrode can be brought into more uniform contact.
- the current density of the current flowing through the electrolysis section can be made more uniform, and the generation efficiency of the electrolysis product can be further improved.
- a plurality of protrusions are formed so as to be aligned in the liquid passing direction.
- the protruding portion presses the electrolytic portion along the liquid direction
- the conductive film and the electrode can be contacted more uniformly.
- the current density of the current flowing through the electrolysis section can be made more uniform, and the generation efficiency of the electrolysis product can be further improved.
- the protrusion is formed so that at least a contact portion with the electrolytic portion does not overlap the groove when viewed from the stacking direction.
- a plurality of grooves are formed so as to be aligned in the liquid passing direction, and the protrusion has a width in the liquid passing direction at least at a contact portion with the electrolytic part, which is larger than a width in the liquid passing direction between adjacent groove parts in the electrolytic part. Is also small.
- the protrusion is formed so that the contour shape is a polygonal shape in which an R portion is formed at the apex portion when viewed from the stacking direction.
- the flow of liquid in the vicinity of the protrusion can be made smoother, so that the retention of bubbles is suppressed. Therefore, the dissolution concentration of the electrolytic product in the liquid can be further improved.
- ozone water generator that generates ozone (electrolytic liquid) by generating ozone (electrolytic product) and dissolving the ozone in water (liquid)
- electrolytic liquid generator since ozone water is effective in sterilization and organic substance decomposition, it is widely used in the fields of water treatment, food, and medicine, and has the advantage that it has no persistence and does not produce by-products. .
- the flow direction of the flow path is the liquid passing direction (front-rear direction) X
- the width direction of the flow path is the width direction (flow path width direction) Y
- the direction in which the electrodes and conductive films are stacked is the stacking direction. It will be described as (vertical direction) Z. And the vertical direction in the state which has arrange
- An ozone water generating apparatus (electrolytic liquid generating apparatus) 1 has a housing 10 in which a flow path 11 is formed, and a pipe for supplying a liquid to an electrical device, a liquid reformer, or the like. It is formed so that it can be connected in the middle of 70 (between the upstream pipe 71 and the downstream pipe 72) (see FIG. 7).
- the ozone water generating device (electrolytic liquid generating device) 1 is connected in the middle of the pipe 70, and the flow path 11 is communicated with the external flow path (the water path 71 a of the upstream side pipe 71 and the water path 72 a of the downstream side pipe 72).
- the ozone water (electrolyzed water: electrolytic liquid) generated in the ozone water generating device (electrolytic liquid generating device) 1 can be supplied to an electric device, a liquid reformer, and the like.
- the ozone water generating device (electrolytic liquid generating device) 1 does not need to be connected in the middle of the pipe 70.
- the downstream side of the ozone water generating device (electrolytic liquid generating device) 1 is connected to electrical equipment or liquid reforming. It is also possible to connect directly to a device or the like. In this case, the flow path formed inside the electric device, the liquid reformer, or the like becomes the downstream external flow path.
- the electrolysis unit 80 is disposed inside the housing 10 where the flow channel 11 is formed so as to face the flow channel 11, and water (liquid) flowing in the flow channel 11 is electrolyzed by the electrolysis unit 80. It has become so.
- the electrolysis unit 80 is disposed in the housing 10 so that the upper surface (one surface in the stacking direction Z) 80a faces the flow path 11 (see FIG. 20).
- the electrolysis unit 80 is laminated so that a conductive film 86 is interposed between an anode (electrode) 84 and a cathode (electrode) 85 (between adjacent electrodes).
- the laminated body 81 is included.
- the flow path 11 is formed in the housing 10 so that the liquid passing direction X is a direction intersecting the stacking direction Z of the stacked body 81.
- This flow path 11 is connected to a water channel (upstream external flow channel) 71 a of the upstream pipe 71 and an inflow port 11 a into which liquid supplied to the electrolysis unit 80 flows, and a water channel (downstream side) of the downstream pipe 72. And an outlet 11b through which ozone water (electrolytic liquid) generated in the electrolysis unit 80 flows out.
- the laminated body 81 is formed with a groove 82 that opens to the flow path 11 and exposes at least a part of the interfaces 87 and 88 between the conductive film 86 and the electrodes (the anode 84 and the cathode 85) ( (See FIG. 20).
- such a groove 82 is formed in the laminated body 81 so that water (liquid) supplied from the inflow port 11a into the flow path 11 can be introduced into the groove 82.
- ozone water in which ozone (electrolysis product) is dissolved by applying an electrolytic treatment that causes an electrochemical reaction to water (liquid) mainly introduced into the groove 82 by the power source supplied from the power source unit 100.
- Electrolyzed water electrolytic liquid
- the ozone water generating device (electrolytic liquid generating device) 1 is an ozone in which ozone (electrolytic product) is dissolved by performing an electrolytic treatment that causes an electrochemical reaction to water (liquid). It produces water (electrolyzed water: electrolytic liquid).
- ozone water (electrolyzed water: electrolytic liquid) generated in the ozone water generating apparatus (electrolytic liquid generating apparatus) 1 passes through the flow path 11 from the outlet 11b to the ozone water generating apparatus (electrolytic liquid generating apparatus) 1. To the outside (in the water channel 72a of the downstream pipe 72).
- the housing 10 can be formed using, for example, a non-conductive resin such as acrylic.
- a recess 34 having an opening 332a through which the electrolysis unit 80 can be inserted is formed, and the electrolysis unit 80 is formed in the recess 34.
- An electrode case 20 to be accommodated and an electrode case lid 60 covering the opening 332a of the electrode case 20 are provided (see FIGS. 12 and 13).
- the electrode case 20 includes a substantially hollow box-shaped main body 30 in which the electrolysis unit 80 is disposed. Then, on one side (upstream side) of the longitudinal direction (liquid passing direction: front-rear direction X) of the main body 30, a substantially cylindrical first connection part (upstream connection part) connected to the upstream pipe 71. 40 is formed. Further, on the other side (downstream side) of the main body 30 in the longitudinal direction (liquid passing direction: front-rear direction X), a substantially cylindrical second connection portion (downstream connection portion) connected to the downstream pipe 72 is provided. 50 is formed.
- first connecting portion (upstream connecting portion) 40 communicates with the water channel 71 a of the upstream piping 71 with the first connecting portion (upstream connecting portion) 40 connected to the upstream piping 71.
- a first connection channel (upstream channel) 12 is formed (see FIG. 7).
- the first connection flow path (upstream flow path) 12 constitutes a part of the flow path 11, and the upstream end of the first connection flow path (upstream flow path) 12 is It becomes the inflow port 11a.
- a tapered portion 40 a that becomes wider toward the upstream side is formed at the upstream end portion of the first connection portion (upstream connection portion) 40.
- the inflow port 11a is formed to be wider than the flow path on the downstream side of the first connection flow path (upstream flow path) 12.
- the second connection part (downstream side connection part) 50 communicates with the water channel 72 a of the downstream side pipe 72 in a state where the second connection part (downstream side connection part) 50 is connected to the downstream side pipe 72.
- a second connection channel (downstream channel) 16 is formed (see FIG. 7).
- the second connection channel (downstream channel) 16 also constitutes part of the channel 11, and the downstream end of the second connection channel (downstream channel) 16 is It becomes the outflow port 11b.
- a tapered portion 50 a that becomes wider toward the downstream side is also formed at the downstream end portion of the second connection portion (downstream connection portion) 50.
- the outlet 11b is also formed to be wider than the upstream channel of the second connection channel (downstream channel) 16.
- the first connection portion (upstream connection portion) 40 and the second connection portion (downstream connection portion) 50 are each at an upper end portion (end portion on the electrode case lid 60 side) 41. , 51 are formed to protrude upward from the main body 30. In this way, by projecting the upper end portions 41, 51 upward from the main body portion 30, the electrode case lid 60 is attached to the upper end portion 41, the upper end portion 51, and the upper electrode portion 51 when the electrode case lid 60 is attached to the electrode case 20. It is made to be pinched by.
- the main body portion 30 includes a bottom wall portion 31, a peripheral wall portion 32 provided continuously with the peripheral edge portion of the bottom wall portion 31, and a top wall provided continuously with the upper end of the peripheral wall portion 32.
- a through hole 332 that penetrates in the vertical direction Z is formed in the top wall 33.
- the bottom wall portion 31 there are an inner surface 311 of the bottom wall portion 31, a width direction inner surface 321 a and a longitudinal direction inner surface 321 b which are inner surfaces 321 of the peripheral wall portion 32, and an inner surface 331 of the top wall portion 33.
- a defined recess 34 is formed.
- the recess 34 is formed to open upward. Accordingly, the opening 332 a formed in the top wall 33 is an opening of the recess 34.
- the electrolysis part 80 is accommodated in the recess 34 by inserting the electrolysis part 80 into the recess 34 from the opening 332a side.
- the opening 332a is formed so as to be larger than the contour shape of the electrolysis unit 80 viewed from the stacking direction Z, and the electrolysis unit 80 having the stacking direction aligned with the vertical direction Z is left in the concave portion 34 in the posture. It can be inserted inside.
- stepped portions 35 are formed at both ends in the longitudinal direction (liquid passing direction: front-rear direction X) inside the main body 30.
- the step portion 35 is formed integrally with the bottom wall portion 31 and the peripheral wall portion 32, is positioned between the inner surface 311 of the bottom wall portion 31 and the opening 332 a in the vertical direction Z, and extends in the horizontal direction.
- An intermediate surface 351 and a step surface 352 extending in the vertical direction and connecting the intermediate surface 351 and the inner surface 311 of the bottom wall portion 31 are provided.
- the recessed portion 34 has a two-step recessed structure.
- the concave portion 34 is formed on the opening side, and a first concave portion (a flow channel formation planned space) 341 in which a part of the flow channel 11 is formed, and a first concave portion (a flow channel formation planned space). ) 341 which is formed on the back side (lower side) of 341 and in which the electrolysis part 80 is accommodated.
- the second recess (electrolyzing unit accommodating space) 342 includes a main body accommodating recess 342a in which the main body 80b of the electrolyzing unit 80 is accommodated, and the longitudinal direction of the main body accommodating recess 342a (liquid passing direction: front-rear direction X). And a power feeding part accommodation space 342b that is connected to one side in the width direction Y at both ends and accommodates a power feeding part 80c described later of the electrolysis part 80.
- the stepped surface 352 of the stepped portion 35 has an inner stepped surface 352a positioned inside the longitudinal direction (liquid passing direction: front-rear direction X) and an outer side positioned outside the longitudinal direction (liquid passing direction: front-rear direction X). It has a step surface 352b and a connecting step surface 352c that connects the inner step surface 352a and the outer step surface 352b.
- the intermediate surface 351 is formed so that the inner boundary line in the longitudinal direction (liquid passing direction: front-rear direction X) is bent in a crank shape when viewed from the vertical direction Z.
- the first concave portion (flow path formation planned space) 341 includes the inner surface 331 of the top wall portion 33, the upper portion of the width direction inner surface 321a of the peripheral wall portion 32, and the longitudinal direction inner surface 321b. And an intermediate surface 351 of the stepped portion 35.
- the second recess (electrolysis part accommodating space) 342 is defined by the inner surface 311 of the bottom wall part 31, the step surface 352 of the step part 35, and the lower part of the width direction inner surface 321a. Yes.
- the electrolysis part 80 is accommodated.
- the electrolysis unit 80 is accommodated in a state in which the stacking direction is aligned with the up-down direction Z.
- the electrolysis unit 80 is accommodated in the second recess (electrolysis unit accommodation space) 342 via the elastic body 90.
- the electrolysis unit 80 includes the elastic body 90 interposed between the electrolysis unit 80 and the electrode case 20, and the second recess (with the elastic body 90 in contact with the lower surface 80d of the electrolysis unit 80. It is accommodated in the electrolysis part accommodation space 342.
- the elastic body 90 can be formed using a material having elasticity such as rubber, plastic, metal spring, and the like.
- the electrolysis part side is placed on the upper surface (one surface in the stacking direction Z) 80 a and the intermediate surface 351 of the electrolysis part 80.
- a flow path 14 is formed.
- the flow path 11 is formed between the electrolysis unit 80 and the electrode case lid 60.
- guide protrusions projecting upward on both sides in the width direction Y at the inner boundary portion of the intermediate surface 351 of the stepped portion 35 in the longitudinal direction (liquid passing direction: front-rear direction X). ) 353 is formed. That is, guide projections (introduction guide portions) 353 for guiding insertion of the electrolysis unit 80 into the second recess (electrolysis unit accommodation space) 342 are provided at the four corners of the second recess (electrolysis unit accommodation space) 342. ing.
- the first main body side flow path 13 communicated with the first connection flow path (upstream flow path) 12 to the peripheral wall 32 on one side (upstream side) in the longitudinal direction (liquid passing direction: front-rear direction X). Is forming.
- the second main body side flow path 15 communicated with the second connection flow path (downstream flow path) 16 to the peripheral wall 32 on the other side (downstream side) in the longitudinal direction (liquid passing direction: front-rear direction X). Is forming.
- the flow path 11 includes the first connection flow path (upstream flow path) 12, the first main body side flow path 13, the electrolysis section side flow path 14, and the second main body.
- a part-side flow path 15 and a second connection flow path (downstream flow path) 16 are formed (see FIG. 7).
- the flow path 11 is formed so that the cross-sectional areas are substantially the same except for a portion where the inflow port 11a is formed and a portion where the outflow port 11b is formed.
- the flow path 11 is formed in the rectangular shape which becomes wide in the width direction Y, as shown in FIG.6 and FIG.8. That is, the channel 11 is formed such that the height in the stacking direction Z is a height H1 smaller than the channel width W1.
- the flow path 11 is formed so that the flow path width W1 is about 10 mm and the height H1 in the stacking direction Z is about 2 mm.
- the power feeding portion accommodating space 342b located on one side (upstream side) in the longitudinal direction (liquid passing direction: front-rear direction X) is formed on one side in the width direction Y, and the longitudinal direction (passage direction).
- a power feeding portion accommodation space 342b located on the other side (downstream side) in the liquid direction (front-rear direction X) is formed on the other side in the width direction Y. That is, the pair of power feeding portion accommodation spaces 342b is formed in the diagonal portion of the main body portion accommodation recess 342a.
- the recess 34 is formed so as to be point-symmetric with respect to the center of the main body 30 when viewed from the vertical direction Z.
- the housing 10 itself (the electrode case 20 and the electrode case lid 60) is also formed to be point symmetric with respect to the center of the housing 10 when viewed from the vertical direction Z.
- the electrode case lid 60 includes a substantially rectangular plate-like lid body 61 and a fitting projection 62 that projects downward from the lower center of the lid body 61 and fits into the opening 332 a of the electrode case 20. It is equipped with.
- the welding protrusion 63 which protrudes toward the downward direction is formed in the peripheral part of the fitting protrusion 62 in the cover part main body 61 over the perimeter.
- the welding protrusion 63 is inserted into a groove portion 333 a formed over the entire periphery of the peripheral edge portion 333 of the opening 332 a in the top wall portion 33 of the electrode case 20. It is.
- the electrode case lid 60 and the electrode case 20 are welded by vibration welding, heat welding, or the like in a state where the welding protrusion 63 is inserted into the groove 333a while the fitting protrusion 62 is fitted to the opening 332a.
- the recess 34 of the electrode case 20 is sealed by the electrode case lid 60.
- the welding part 17 is formed in the part of the welding protrusion 63 and the groove part 333a.
- the electrode case lid 60 is screwed to the electrode case 20 with a sealant interposed between the electrode case lid 60 and the electrode case 20, so that the recess 34 of the electrode case 20 is sealed by the electrode case lid 60. It is also possible to be stopped.
- extending walls 62b extending in the longitudinal direction are formed at both ends of the lower surface 62a of the fitting protrusion 62 in the width direction Y, and the electrode case lid 60 is connected to the electrode When attached to the case 20, both ends in the width direction Y of the electrolysis unit side flow path 14 are defined by the extended wall 62 b.
- the extending wall 62b is longer in the longitudinal direction (liquid passing direction) than the guide protrusions (introduction guide portions) 353 provided at the four corners of the second concave portion (electrolytic portion accommodating space) 342. : It is formed so as to be arranged inside the front-rear direction X). The extending wall 62b is formed so as to overlap the guide protrusion (introduction guide portion) 353 when viewed from the longitudinal direction (fluid passing direction: front-rear direction X).
- a plurality of protrusions 64 arranged in the longitudinal direction are formed at the center in the width direction Y on the lower surface 62a of the fitting protrusion 62.
- the electrode case lid 60 is provided.
- the electrolytic portion 80 is pressed downward by the protruding portion 64.
- the elastic body 90 applies a constant pressure to the entire electrolysis unit 80, so that the members constituting the electrolysis unit 80 are in close contact with each other. We are trying to improve sex.
- the upper surface (one surface in the stacking direction Z) 80 a of the electrolysis unit 80 is substantially flush with the intermediate surface 351. By doing so, the formation of a step in the flow path 11 is suppressed.
- the cross-sectional area of the channel (electrolyzing unit side channel 14) formed in the upper part of the electrolysis unit 80 is made substantially the same as the cross-sectional area of the other channels.
- the cross-sectional areas of the flow paths 11 are substantially the same, it is possible to prevent the flow of water (liquid) flowing through the flow paths 11 from being disturbed. As a result, it is possible to suppress the occurrence of a stagnant portion in the flow path 11 and to prevent the generated ozone (electrolysis product) from growing into bubbles, and from the outlet 11b.
- the concentration of ozone (electrolytic product) in the discharged ozone water (electrolytic liquid) can be further improved.
- the electrolysis unit 80 has a substantially rectangular shape with the liquid passing direction X being the longitudinal direction when viewed from the stacking direction Z.
- the electrolysis unit 80 includes a stacked body 81 formed by stacking an anode 84, a conductive film 86, and a cathode 85 in this order.
- the stacked body 81 is stacked so that the conductive film 86 is interposed between the electrodes (the anode 84 and the cathode 85) adjacent to each other.
- a titanium power supply 83 is stacked below the anode 84, and electricity is supplied to the anode 84 through the power supply 83.
- the laminated body 81 is formed with a groove portion 82 having an opening 82 a that opens to the flow path 11, and this groove portion 82 is at least an interface 88 between the conductive film 86 and the cathode 85. A part is configured to come into contact with water (liquid). Further, at least a part of the interface 87 between the conductive film 86 and the anode 84 is configured to be in contact with water (liquid).
- a cathode side hole 85 c is formed in the cathode 85, and a conductive film side hole 86 c is formed in the conductive film 86.
- the cathode 85 and the conductive film 86 are stacked, the cathode side hole 85c and the conductive film side hole 86c communicate with each other.
- the inner side surface 86d of the conductive film 86 and the inner side surface 85d of the cathode 85 become the side surface 82c of the groove portion 82, and the upper surface (front surface) 84a of the anode 84 becomes the bottom surface 82b of the groove portion 82 (see FIG. 20).
- the upper surface (front surface) 84a of the anode 84 becomes the bottom surface 82b of the groove portion 82 (see FIG. 20).
- the interface 87 between the conductive film 86 and the anode 84 (interface between the conductive film and the electrode) is also exposed to the groove portion 82, and water can freely contact the interface 87 exposed to the groove portion 82. It becomes like this.
- the groove portion 82 is formed so as to have a shape in which both ends in the width direction Y of the groove portion elongated in the width direction Y are bent upstream. That is, the cathode side hole 85c formed in the cathode 85 and penetrating in the stacking direction Z is formed so as to have a V shape in which the bending point portion is disposed on the downstream side.
- the conductive film side hole 86c formed in the conductive film 86 and penetrating in the stacking direction Z is also formed so as to have a V-shaped bent portion disposed downstream, and the cathode side hole 85c and the conductive film side hole 86c are electrically conductive.
- the V-shaped groove 82 is formed by communicating the conductive membrane side hole 86c.
- the shape of the groove part 82 is not restricted to the above-mentioned V shape, It can be set as various shapes. For example, it can be a rectangular shape elongated in the width direction Y.
- the interface 88 between the conductive film 86 and the cathode 85 in this embodiment is a boundary line between the side surface of the cathode 85 and the side surface of the conductive film 86.
- the interface 87 between the conductive film 86 and the anode 84 is an intersection line between the surface of the anode 84 and the side surface of the conductive film 86.
- the conductive film 86 and the cathode 85 may be the same size or different from each other, but at least the mutual holes (the cathode side hole 85c and the conductive film side hole 86c) need to communicate with each other. In addition, it is necessary to ensure a sufficient electrical contact area. Therefore, taking these into consideration, it is preferable that the conductive film 86 and the cathode 85 have substantially the same projected dimensions (approximately the same size when viewed from the stacking direction Z).
- the anode 84 may be the same size as or different from the conductive film 86 and the cathode 85, but has a size larger than that seen from all the groove portions 82 when viewed from the stacking direction Z. It is preferable.
- the anode 84, the cathode 85, and the conductive film 86 have substantially the same projected dimensions.
- the side surfaces of the anode 84, the cathode 85, and the conductive film 86 are made to be substantially the same surface.
- the laminate 81 when the laminate 81 is formed, at least the side surfaces 84b, 85b, 86b extending in the longitudinal direction of the anode 84, the cathode 85, and the conductive film 86 are substantially flush with each other.
- the power supply body 83 and the elastic body 90 are designed to have substantially the same projected dimensions as the anode 84, the cathode 85, and the conductive film 86.
- the electrolysis unit 80 receives an ion supply from the conductive film 86 and a current from the power supply unit 100 and performs an electrolysis process for generating ozone electrochemically at the interface 87 between the anode 84 and the conductive film 86. is there.
- the power supply body 83 can be formed using, for example, titanium, and is configured to contact the anode 84 on the side opposite to the conductive film 86.
- a shaft attachment piece 83a is formed at one end of the power supply body 83, and an anode side power supply shaft 83b is attached to the shaft attachment piece 83a by welding or the like. In this way, the anode-side power feeding portion 80c is formed by attaching the anode-side power feeding shaft 83b to the shaft mounting piece 83a.
- the power supply 83 is electrically connected to the power supply unit 100 via the conductor 102a on the anode 102 side connected to the anode side power supply shaft 83b.
- the anode-side power supply shaft 83b is attached to the shaft attachment piece 83a so as to extend in the stacking direction Z.
- the power supply body 83 is inserted into the second concave portion (electrolyzing portion accommodation space) 342 in a state where the anode-side power supply shaft 83b extends toward the side opposite to the flow path 11 (lower side). Yes.
- a pair of power supply portion insertion holes 313a through which the shaft of the power supply portion 80c is inserted are formed in the bottom wall portion 31 of the electrode case 20 so as to communicate with each power supply portion accommodation space 342b.
- the anode side power supply shaft 83b is inserted through the part insertion hole 313a.
- the conducting wire 102a is connected to the part exposed to the exterior of the electrode case 20 in the anode side electric power feeding shaft 83b.
- the anode 84 can be formed, for example, by forming a conductive diamond film on a conductive substrate having a width of about 10 mm and a length of about 50 mm formed using silicon. This conductive diamond film has boron dove conductivity. The conductive diamond film is formed on the conductive substrate with a film thickness of about 3 ⁇ m by plasma CVD.
- the shape of the anode 84 and the cathode 85 is a plate, but the anode 84 and the cathode 85 may be a film, a mesh, or a line.
- the conductive film 86 is disposed on the anode 84 on which a conductive diamond film is formed.
- This conductive film 86 is a proton conductive type ion exchange film, and has a thickness of about 100 to 200 ⁇ m.
- a plurality of conductive film side holes 86c penetrating in the thickness direction (Z direction) are formed in the conductive film 86.
- each conductive film side hole 86c is provided in the same shape. Further, the plurality of conductive film side holes 86c are provided so as to be aligned in a line along the longitudinal direction X. The shape and arrangement of the conductive film side holes 86c may be different.
- the cathode 85 is disposed on the conductive film 86.
- the cathode 85 is made of, for example, a stainless electrode plate having a thickness of about 0.5 mm. As shown in FIGS. 12 and 13, a plurality of cathode side holes 85 c penetrating in the thickness direction are formed in the cathode 85.
- the cathode side hole 85c has an opening shape that is the same as or similar to the conductive film side hole 86c.
- the cathode side holes 85c are arranged in the same pitch and in the same direction as the arrangement of the conductive film side holes 86c.
- a shaft attachment piece 85e is formed at one end of the cathode 85, and a cathode side power supply shaft 85f is attached to the shaft attachment piece 85e by welding or the like.
- the cathode-side power feeding portion 80c is formed by attaching the cathode-side power feeding shaft 85f to the shaft mounting piece 85e.
- the cathode 85 is electrically connected to the power supply unit 100 via a conductive wire 101a on the cathode 101 side connected to the cathode side feeding shaft 85f.
- the cathode-side power supply shaft 85f is also attached to the shaft attachment piece 85e so as to extend in the stacking direction Z.
- the cathode 85 is inserted into the second recess (electrolytic part accommodating space) 342 with the cathode side power supply shaft 85f extending toward the side opposite to the flow path 11 (lower side).
- the cathode side power supply shaft 85f is inserted into the other power supply portion insertion hole 313a, and the conductive wire 101a is connected to a portion of the cathode side power supply shaft 85f exposed to the outside of the electrode case 20.
- the pair of power feeding portion accommodation spaces 342b is formed in the diagonal portion of the main body portion accommodation recess 342a.
- anode side power supply shaft 83b and the cathode side power supply shaft 85f are provided at the diagonal portion 80e of the electrolysis unit 80 in the present embodiment.
- the anode side power supply shaft 83b which is one of the anode side power supply shaft 83b and the cathode side power supply shaft 85f is provided on the inflow port 11a side of the electrolysis unit 80.
- the cathode-side power supply shaft 85f which is the other, is provided on the outlet 11b side of the electrolysis unit 80.
- this electrolysis part 80 is arrange
- the power supply unit 100 generates a potential difference between the anode 84 and the cathode 85 via the conductive film 86.
- An anode 84 is electrically connected to the anode 102 side of the power supply unit 100 via a conducting wire 102a
- a cathode 85 is electrically connected to the cathode 101 side of the power supply unit 100 via a conducting wire 101a. (See FIG. 4).
- the power supply unit 100 can be electrically connected to a control unit (not shown) via a wiring (not shown). By connecting to the control unit, the power supply unit 100 can be switched on and off, or the output can be changed. You will be able to
- the groove portion 82 has a depth D1 that is smaller than at least one of the opening width L1 of the groove portion 82 in the liquid passing direction X and the height H1 of the flow channel 11 in the stacking direction Z. (See FIGS. 8 and 20).
- the groove portion 82 is formed so that the height H1 of the flow path 11 in the stacking direction Z> the depth D1 of the groove portion 82 or the opening width L1 of the groove portion 82 in the liquid passing direction X> the depth D1 of the groove portion 82. ing.
- the height H1 of the flow path 11 in the stacking direction Z is set to be about 2 mm as described above.
- the depth D1 of the groove 82 is the sum of the thickness of the conductive film 86 and the thickness of the cathode 85, it is about 0.6 mm to about 0.7 mm in the present embodiment.
- the opening width L1 of the groove 82 in the liquid passing direction X is about 1.5 mm.
- the groove part 82 is formed so as to be.
- the protrusion 64 is in contact with only the upper surface (one surface in the stacking direction Z) 80a of the electrolysis unit 80. That is, in the state viewed from the stacking direction Z, at least the contact portion 64 a of the projecting portion 64 that contacts the electrolysis portion 80 is prevented from overlapping the groove portion 82.
- the liquid passage direction width L2 of at least the contact portion 64a of the protrusion 64 with the electrolysis unit 80 is equal to the liquid passage direction width L3 between the adjacent groove portions 82 of the electrolysis unit 80.
- the protrusion 64 is in contact with only the upper surface (one surface in the stacking direction Z) 80a of the electrolysis unit 80.
- the width L2 in the liquid passing direction at the contact portion 64a of the protrusion 64 with the electrolysis portion 80 is about 1.5 mm.
- variety L3 between the mutually adjacent groove parts 82 in the electrolysis part 80 is about 2.0 mm.
- the liquid passing direction width in all parts from the tip (lower end) to the root portion (upper end) of the protrusion 64 is smaller than the liquid passing direction width L3 between the groove portions 82.
- a protrusion 64 is formed.
- an upper surface (one surface in the stacking direction Z) 80a of the electrolysis unit 80 so as to surround the entire circumference of the contact portion 64a of the protrusion 64 with the electrolysis unit 80.
- the protruding portion 64 is formed so that the outline shape 64b is a quadrangular shape (polygonal shape) in which the R portion 64d is formed at the apex portion 64c when viewed from the stacking direction Z. ing.
- the ozone water generator (electrolytic liquid generator) 1 having such a configuration can be assembled by, for example, the following method.
- the elastic body 90 is inserted into the recessed portion 34 from the opening 332a side of the electrode case 20, and the elastic body 90 is disposed in the second recessed portion (electrolytic portion accommodating space) 342.
- the anode side power supply shaft 83b is inserted into the concave portion 34 from the opening 332a side of the electrode case 20 in a state where the tip of the anode side power supply shaft 83b faces downward.
- the main body portion of the power feeding body 83 is stacked on the elastic body 90 by being inserted through the power feeding section insertion hole 313a.
- the anode 84 is inserted into the recess 34 from the opening 332 a side of the electrode case 20, and the anode 84 is stacked on the power supply body 83.
- the conductive film 86 is inserted into the recess 34 from the opening 332 a side of the electrode case 20, and the conductive film 86 is laminated on the anode 84.
- the cathode side feeding shaft 85f is fed to the other side.
- the main body portion of the cathode 85 is stacked on the conductive film 86 by being inserted into the part insertion hole 313 a.
- each member constituting the elastic body 90 and the electrolysis part 80 is inserted into the second recess (electrolysis part accommodation space) 342 while being guided by the guide protrusion (introduction guide part) 353.
- the elastic body 90 is in a substantially free state (a state in which the elastic body 90 is hardly elastically deformed).
- each member constituting the elastic body 90 and the electrolysis unit 80 is positioned in the width direction Y by the width direction inner surface 321a.
- the electrode case lid 60 is moved relative to the electrode case 20 in the stacking direction Z, so that the welding projection 63 is inserted into the groove portion 333a while the fitting projection 62 is fitted into the opening 332a.
- the electrode case lid 60 and the electrode case 20 are welded by vibration welding, heat welding, or the like in a state where the welding protrusion 63 is inserted into the groove portion 333a while the fitting protrusion 62 is fitted to the opening 332a. .
- the recess 34 of the electrode case 20 is sealed with the electrode case lid 60.
- the electrolysis unit 80 is elastically deforming the elastic body 90. The whole is inserted into the second concave portion (electrolytic portion accommodating space) 342 (see FIG. 19).
- an O-ring 314 is inserted from the tip of the shaft (the anode side power supply shaft 83b or the cathode side power supply shaft 85f) of the power feeding portion 80c exposed to the outside of the tip electrode case 20, and is formed in the holding plate housing recess 313. Arranged in the O-ring insertion groove 313b.
- the tip of the shaft of the power feeding portion 80 c (the anode side power feeding shaft 83 b or the cathode side power feeding shaft 85 f) is inserted into the shaft insertion hole 316 a formed in the pressure plate 316, and the pressure plate 316 is inserted into the pressure plate housing recess 313. To accommodate.
- the screw plate 316 is fixed to the electrode case 20 by inserting the screw 315 into the screw insertion hole 316b formed in the press plate 316 and the screw hole 313c formed in the press plate receiving recess 313 and screwing.
- the ozone water generator (electrolytic liquid generator) 1 is assembled.
- the ozone water generator (electrolytic liquid generator) 1 according to the present embodiment can be assembled only by moving each member relative to the electrode case 20 in the stacking direction Z.
- anode side power supply shaft 83b and the cathode side power supply shaft 85f are welded to the shaft mounting pieces 83a and 85e.
- a configuration as shown in FIG. 22 is also possible.
- the anode-side power supply shaft 83b is provided separately from the power supply body 83 (anode 84), and the cathode-side power supply shaft 85f is provided separately from the cathode 85.
- each shaft comes into contact with the power supply 83 and the cathode 85.
- both the anode-side power supply shaft 83b and the cathode-side power supply shaft 85f are illustrated separately, but only one of the anode-side power supply shaft 83b and the cathode-side power supply shaft 85f is separated. It can also be a body.
- At least any one of the members constituting the electrolysis unit 80 may be curved in the stacking direction Z.
- FIG. 23 illustrates a power supply body 83 and a cathode 85, which are members disposed at both ends in the stacking direction Z among members constituting the electrolysis unit 80, having a shape curved in the stacking direction Z.
- the cathode 85 has a cathode side hole communicating with the conductive film side hole 86c.
- the curved member is formed into a substantially flat plate shape.
- the power supply body 83 and the cathode 85 are curved in the stacking direction Z, so that the power supply body 83 and the cathode 85 have the function of the elastic body 90 described in the above embodiment. .
- FIG. 23 illustrates an example in which the ozone water generator (electrolytic liquid generator) 1 is assembled without using the elastic body 90, but the shapes of the power feeder 83 and the cathode 85 are set in the stacking direction Z. It is also possible to arrange the elastic body 90 below the power supply body 83 while having a curved shape.
- the curved shape of the members constituting the electrolysis unit 80 may be any shape as long as a pressure is generated against the conductive film 86 when the ozone water generating device (electrolytic liquid generating device) 1 is assembled. It may be a simple shape.
- the film is curved in a direction (lamination direction Z) orthogonal to the longitudinal direction X (liquid passing direction) and curved so as to protrude toward the conductive film 86 side. You may make it curve so that it may become convex on the opposite side to 86 side. Moreover, you may make it become the shape which curved several places, such as a waveform.
- any member of the members constituting the electrolysis unit 80 may be used as long as the pressure is generated against the conductive film 86.
- the shape can be a curved shape.
- water (liquid) is supplied from the inlet 11a to the flow path 11.
- the voltage applied at this time is several volts to several tens of volts, and the higher the voltage (the higher the current value), the greater the amount of ozone (electrolytic product) generated.
- ozone water electrolytic liquid
- ozone water electrolytic liquid
- Such an ozone water generating device (electrolytic liquid generating device) 1 can be applied to an electrical device that uses the electrolytic liquid generated by the electrolytic liquid generating device, a liquid reformer that includes the electrolytic liquid generating device, and the like. .
- Electrical equipment and liquid reforming equipment include water treatment equipment such as water purification equipment, washing machines, dishwashers, hot water washing toilet seats, refrigerators, hot water supply / water supply equipment, sterilization equipment, medical equipment, air conditioning equipment, or kitchens. Equipment.
- the ozone water generating apparatus (electrolytic liquid generating apparatus) 1 has the stacked body 81 stacked such that the conductive film 86 is interposed between the electrodes 84 and 85 adjacent to each other.
- the electrolysis part 80 which electrolyzes water (liquid) and the housing 10 by which the electrolysis part 80 is arrange
- a flow path 11 is formed in which the liquid passing direction X intersects the stacking direction Z of the stacked body 81.
- This flow path 11 is connected to a water channel (upstream external flow channel) 71 a of the upstream pipe 71 and an inflow port 11 a into which liquid supplied to the electrolysis unit 80 flows, and a water channel (downstream side) of the downstream pipe 72. And an outlet 11b through which ozone water (electrolytic liquid) generated in the electrolysis unit 80 flows out.
- the electrolytic unit 80 is formed with a groove 82 that opens to the flow path 11 and exposes at least a part of the interfaces 87 and 88 between the conductive film 86 and the electrodes 84 and 85.
- the housing 10 is formed with a recess 34 having an opening 332a through which the electrolysis unit 80 can be inserted, and covers the electrode case 20 in which the electrolysis unit 80 is accommodated in the recess 34 and the opening 332a of the electrode case 20. And an electrode case lid 60.
- the electrolysis part 80 is accommodated in the recessed part 34 in the state which made the lamination direction Z of the laminated body 81 substantially correspond with the opening direction of the opening part 332a.
- the attachment direction of the electrode case lid 60 to the electrode case 20 can be made substantially coincident with the lamination direction Z of the laminate 81.
- the ozone water generating device (electrolytic liquid generating device) 1 can be assembled by moving each member constituting the electrolysis unit 80 and the electrode case lid 60 relative to the electrode case 20 in the stacking direction Z. become.
- generation apparatus) 1 which can be assembled more easily can be obtained.
- the flow path 11 is formed between the electrolysis unit 80 and the electrode case lid 60.
- the flow path 11 can be formed by covering the opening 332 a of the electrode case 20 with the electrode case lid 60 in a state where the electrolysis unit 80 is accommodated in the recess 34. Therefore, the ozone water generating device (electrolytic liquid generating device) 1 having the flow path 11 can be assembled more easily.
- an electrolytic electrode device is formed by simply laminating an anode, a conductive film, and a cathode. For this reason, when the anode, the conductive film, and the cathode are stacked, the positional relationship between the members may be shifted in the direction intersecting the stacking direction Z (on the XY plane).
- the contact area of the anode, the conductive film, and the cathode May increase and decrease in the concentration of ozone (electrolytic product) in ozone water (electrolytic liquid).
- the electrodes 84 and 85 and the conductive film 86 are laminated so that at least the side surfaces 84b, 85b and 86b extending in the longitudinal direction are substantially flush with each other.
- the laminated body 81 can be positioned in the channel width direction Y only by making the side surfaces 84b, 85b, 86b extending in the longitudinal direction of each member flush with each other.
- the positioning in the flow path width direction 81 can be performed more easily.
- the electrode case 20 is provided with an introduction guide portion 353 that extends in the stacking direction Z of the stacked body 81 and guides the insertion of the electrolysis portion 80 into the recess 34.
- the introduction guide part 353 is provided, when the ozone water generating device (electrolytic liquid generating device) 1 is assembled, the position of each member constituting the laminate 81 is shifted during the assembly. Is suppressed, and the ozone water generator (electrolytic liquid generator) 1 can be assembled more easily.
- the elastic body 90 in contact with one side in the stacking direction Z of the stacked body 81 in the electrolysis unit 80 is disposed in the housing 10.
- one side of the electrolysis unit 80 in the stacking direction Z can be pressed by the elastic body 90, and the dimensional variation of the electrolysis unit 80 in the stacking direction Z can be reduced. Will be able to absorb. As a result, the electrolysis unit 80 can be more easily positioned in the stacking direction Z.
- the elastic body 90 since the elastic body 90 is provided, a constant pressure can be applied to the entire electrolysis unit 80, so that the adhesion of each member can be further improved.
- the generation efficiency of ozone electrolytic product
- the life of the electrode and the conductive film can be extended.
- the electrolysis unit 80 with improved adhesion of each member can be assembled more easily while simplifying the configuration.
- the elastic body 90 is disposed between the electrolysis unit 80 and the electrode case 20.
- the elastic body 90 can be disposed inside the electrode case 20 (inside the recess 34), so that the ozone water generating device ( The electrolytic liquid generating apparatus 1 can be assembled.
- a welded portion 17 in which the electrode case 20 and the electrode case lid 60 are welded is formed on the peripheral edge portion 333 of the opening 332a in the housing 10.
- the electrode case lid 60 can be easily attached to the electrode case 20, and the ozone water generator (electrolytic liquid generator) 1 can be assembled more easily.
- the electrode includes an anode 84 and a cathode 85.
- the electrolysis unit 80 is electrically connected to the anode 84 and is electrically connected to the anode-side power supply shaft 83 b that applies a voltage to the anode 84 and the cathode 85, and applies a voltage to the cathode 85.
- the anode side power supply shaft 83b and the cathode side power supply shaft 85f are extended in the stacking direction Z.
- anode-side power supply shaft 83b and the cathode-side power supply shaft 85f are extended toward the side opposite to the flow path 11.
- the anode-side power supply shaft 83b that is one of the anode-side power supply shaft 83b and the cathode-side power supply shaft 85f is provided on the inflow port 11a side of the electrolysis unit 80.
- the cathode-side power supply shaft 85 f which is the other is provided on the outlet 11 b side of the electrolysis unit 80.
- the electrolysis unit 80 has a substantially rectangular shape in which the liquid passing direction X is a longitudinal direction when viewed from the stacking direction Z, and the anode side power supply shaft 83b and the cathode side power supply shaft 85f are connected to the electrolysis unit 80. It is provided at the corner 80e.
- each member constituting the electrolysis unit 80 can be processed more easily, and the cost can be reduced.
- At least one member (the power supply body 83 and the cathode 85) of the members constituting the electrolysis unit 80 may be curved in the stacking direction Z.
- Patent Document 1 discloses an electrolytic liquid generating apparatus provided with a baffle structure for turbulently flowing tap water passing through an electrolytic electrode device. By providing such a baffle structure, The tap water is electrolyzed more efficiently.
- the groove 82 is formed to have a depth D1 that is smaller than at least one of the opening width L1 of the groove 82 in the liquid passing direction X and the height H1 of the flow path 11 in the stacking direction Z. Formed.
- Patent Document 1 also discloses an electrolytic liquid generating apparatus in which an anode, a conductive film, and a cathode are stacked, and water holes are provided in the conductive film and the cathode, and the water flow path (flow path) is a single path. With this configuration, the electrolytic liquid generating apparatus is reduced in size and cost.
- Patent Document 1 there is no provision for the height of the flow path. Therefore, depending on the configuration of the flow path, the flow velocity of the liquid flowing in the flow path may be extremely slow. Thus, in the structure of the said patent document 1, there exists a possibility that the melt
- the flow path 11 is formed so that the height in the stacking direction Z is a height H1 smaller than the flow path width W1.
- the surface flow velocity in the vicinity of the interfaces 87 and 88 can be made faster. become. Therefore, the generated ozone (electrolytic product) can be dissolved in water (liquid) more quickly, and the concentration of dissolved ozone (electrolytic product) in water (in liquid) is further improved. Will be able to.
- the protrusion 64 is brought into contact with the surface 80a of the electrolysis unit 80 on the flow path 11 side.
- the electrolysis unit 80 By bringing such a protrusion 64 into contact with the surface 80a on the flow path 11 side of the electrolysis unit 80, the electrolysis unit 80 can be pressed by the protrusion 64, and therefore the conductive film 86 and the electrode 84 are pressed. , 85 can be made more uniform. As a result, the current density of the current flowing through the electrolysis unit 80 can be made more uniform, and the generation efficiency of ozone (electrolysis product) can be further improved. In addition, the dissolved concentration of ozone (electrolytic product) in water (in liquid) can be further stabilized.
- the protrusion 64 is formed in the central portion of the flow channel 11 in the flow channel width direction Y.
- the conductive film 86 and the electrodes 84 and 85 can be more uniformly brought into contact with each other.
- the current density of the current flowing through the electrolysis unit 80 can be made more uniform, and the generation efficiency of ozone (electrolysis product) can be further improved.
- the dissolved concentration of ozone (electrolytic product) in water (in liquid) can be further stabilized.
- a plurality of protrusions 64 are formed so as to be aligned in the liquid passing direction X.
- the projecting portion 64 presses the electrolytic portion 80 along the liquid direction X the conductive film 86 and the electrodes 84 and 85 can be more uniformly brought into contact with each other.
- the current density of the current flowing through the electrolysis unit 80 can be made more uniform, and the generation efficiency of ozone (electrolysis product) can be further improved.
- the dissolved concentration of ozone (electrolytic product) in water (in liquid) can be further stabilized.
- the protrusions 64 are formed so that at least the contact part 64a with the electrolysis part 80 does not overlap the groove part 82 when viewed from the stacking direction Z.
- a plurality of grooves 82 are formed so as to line up in the liquid direction X.
- the liquid passage direction width L2 of at least the contact portion 64a of the protrusion 64 with the electrolytic unit 80 is made smaller than the liquid passage direction width L3 between the adjacent groove parts 82 of the electrolytic unit 80.
- the protrusion 64 can be prevented from being disposed on the groove 82. For this reason, it is possible to more reliably suppress the occurrence of bubbles in the vicinity of the interfaces 87 and 88 of the groove 82, and to further improve the dissolved concentration of ozone (electrolytic product) in water (in liquid). Will be able to.
- the protrusions 64 are formed so that the contour shape 64b is a polygonal shape in which the R portion 64d is formed at the apex portion 64c when viewed from the stacking direction Z.
- the flow of liquid in the vicinity of the protrusion 64 can be made smoother. Can be suppressed more reliably, and the dissolved concentration of ozone (electrolytic product) in water (in liquid) can be further improved.
- an ozone water generating device that generates ozone water by generating ozone and dissolving the ozone in water is exemplified, but the substance to be generated is not limited to ozone.
- Chlorous acid may be generated and used for sterilization or water treatment.
- the anode 84 can be made of, for example, conductive silicon, conductive diamond, titanium, platinum, lead oxide, tantalum oxide, etc., and has conductivity and durability capable of generating electrolyzed water. Any material may be used as long as it is.
- the manufacturing method is not limited to the manufacturing method by film formation. It is also possible to configure the substrate using a material other than metal.
- the cathode 85 may be any electrode having conductivity and durability, and may be composed of, for example, platinum, titanium, stainless steel, conductive silicon, or the like.
- the specifications (shape, size, layout, etc.) of the housing, electrolytic part, and other details can be changed as appropriate.
- the electrolytic liquid generating device can increase the concentration of electrolytic products in the electrolytically treated liquid. Therefore, for example, water treatment equipment such as a water purifier, washing machine, dishwashing
- water treatment equipment such as a water purifier, washing machine, dishwashing
- the present invention can also be applied to a machine, a warm water washing toilet seat, a refrigerator, a hot water supply / water supply device, a sterilization device, a medical device, an air conditioning device, or a kitchen device.
- Ozone water generator (electrolyte generator) 10 Housing (electrode case 20 and electrode case lid 60) 11 flow path 11a inflow port 11b outflow port 17 welded portion 20 electrode case 34 concave portion 60 electrode case lid 71a water channel (external flow channel) 72a Downstream water channel (external channel) 80 Electrolytic part 80a Surface 80e Diagonal part 81 Laminated body 82 Groove part 82a Opening 83b Anode side feeding shaft 84 Anode (electrode) 85 Cathode (electrode) 85f Cathode side feeding shaft 86 Conductive film 87 Interface between anode 84 and conductive film 86 88 Interface between cathode 85 and conductive film 86 90 Elastic body 332a Opening 333 Peripheral part 353 Introduction guide part D1 Depth of groove part H1 Height in flow direction of flow path L1 Opening width of groove portion in flow direction L2 Flow direction width in contact portion of protrusion L3 Flow direction width between grooves in
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- Chemical & Material Sciences (AREA)
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- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Water Supply & Treatment (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
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- Inorganic Chemistry (AREA)
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
Description
本実施の形態にかかるオゾン水生成装置(電解液体生成装置)1は、内部に流路11が形成されたハウジング10を有しており、電気機器や液体改質装置等に液体を供給する配管70の途中(上流側配管71と下流側配管72との間)に接続できるように形成されている(図7参照)。
2H2O→O2+4H++4e-
陰極側:2H++2e-→H2
給電体83は、例えば、チタンを用いて形成することができ、導電性膜86とは反対側で陽極84と接触するように構成されている。この給電体83の一端にはシャフト取付片83aが形成されており、このシャフト取付片83aには、陽極側給電シャフト83bが溶接等により取り付けられている。このように、シャフト取付片83aに陽極側給電シャフト83bを取り付けることで、陽極側の給電部80cが形成されている。
10 ハウジング(電極ケース20と電極ケース蓋60)
11 流路
11a 流入口
11b 流出口
17 溶着部
20 電極ケース
34 凹部
60 電極ケース蓋
71a 水路(外部流路)
72a 下流側の水路(外部流路)
80 電解部
80a 表面
80e 対角部
81 積層体
82 溝部
82a 開口
83b 陽極側給電シャフト
84 陽極(電極)
85 陰極(電極)
85f 陰極側給電シャフト
86 導電性膜
87 陽極84と導電性膜86との界面
88 陰極85と導電性膜86との界面
90 弾性体
332a 開口部
333 周縁部
353 導入ガイド部
D1 溝部の深さ
H1 流路の積層方向の高さ
L1 溝部の通液方向の開口幅
L2 突起部の接触部分における通液方向幅
L3 電解部における溝部間の通液方向幅
W1 流路幅
X 通液方向(長手方向:前後方向)
Y 幅方向(流路幅方向)
Z 積層方向(上下方向)
Claims (21)
- 互いに隣り合う電極間に導電性膜が介在するように積層された積層体を有し、液体を電解処理する電解部と、
前記電解部が内部に配置されるハウジングと、
を備え、
前記ハウジングには、通液方向が前記積層体の積層方向と交差する方向となる流路が形成されており、
前記流路は、上流側の外部流路に連通されて前記電解部に供給される液体が流入する流入口と、下流側の外部流路に連通されて前記電解部で生成される電解液体が流出する流出口と、を有しており、
前記電解部には、前記流路に開口するとともに、前記導電性膜と前記電極との界面の少なくとも一部が露出する溝部が形成されており、
前記ハウジングは、前記電解部が挿通可能な開口部を有する凹部が形成され、当該凹部内に前記電解部が収容される電極ケースと、前記電極ケースの開口部を覆う電極ケース蓋と、を備えており、
前記電解部は、前記積層体の積層方向を前記開口部の開口方向と略一致させた状態で前記凹部内に収容されている電解液体生成装置。 - 前記流路は、前記電解部と前記電極ケース蓋との間に形成されている請求項1に記載の電解液体生成装置。
- 前記電極および前記導電性膜は、少なくとも長手方向に延在する側面が略同一面となるように積層されている請求項1または請求項2に記載の電解液体生成装置。
- 前記電極ケースには、前記積層体の積層方向に延在し、前記電解部の前記凹部への挿入をガイドする導入ガイド部が設けられている請求項1~3のうちいずれか1項に記載の電解液体生成装置。
- 前記ハウジング内には、前記電解部における前記積層体の積層方向の一方側に接する弾性体が配置されている請求項1~4のうちいずれか1項に記載の電解液体生成装置。
- 前記弾性体は、前記電解部と前記電極ケースとの間に配置されている請求項5に記載の電解液体生成装置。
- 前記ハウジングにおける前記開口部の周縁部には、前記電極ケースと前記電極ケース蓋とが溶着された溶着部が形成されている請求項1~6のうちいずれか1項に記載の電解液体生成装置。
- 前記電極は、陽極と陰極とを備えており、
前記電解部は、前記陽極に電気的に接続され、当該陽極に電圧を印加する陽極側給電シャフトと、前記陰極に電気的に接続され、当該陰極に電圧を印加する陰極側給電シャフトと、を備えており、
前記陽極側給電シャフトおよび前記陰極側給電シャフトが前記積層方向に延在している請求項1~7のうちいずれか1項に記載の電解液体生成装置。 - 前記陽極側給電シャフトおよび前記陰極側給電シャフトが前記流路とは反対側に向けて延在している請求項8に記載の電解液体生成装置。
- 前記陽極側給電シャフトおよび前記陰極側給電シャフトのうちいずれか一方が前記電解部の前記流入口側に設けられており、いずれか他方が前記電解部の前記流出口側に設けられている請求項8または請求項9に記載の電解液体生成装置。
- 前記電解部は、前記積層方向から視た状態で、前記通液方向が長手方向となる略長方形状をしており、
前記陽極側給電シャフトおよび前記陰極側給電シャフトが前記電解部の対角部に設けられている請求項10に記載の電解液体生成装置。 - 前記陽極側給電シャフトおよび前記陰極側給電シャフトのうち少なくともいずれか一方のシャフトが前記電極とは別体に設けられている請求項8~11のうちいずれか1項に記載の電解液体生成装置。
- 前記電解部を構成する各部材のうち少なくともいずれか1つの部材が前記積層方向に湾曲した形状をしている請求項1~12のうちいずれか1項に記載の電解液体生成装置。
- 前記溝部は、当該溝部の前記通液方向の開口幅および前記流路の積層方向の高さのうち少なくともいずれか一方よりも小さい深さとなるように形成されている請求項1~13のうちいずれか1項に記載の電解液体生成装置。
- 前記流路は、前記積層方向の高さが流路幅よりも小さい高さとなるように形成されている請求項1~14のうちいずれか1項に記載の電解液体生成装置。
- 前記電解部の前記流路側の表面に突起部が接触している請求項1~15のうちいずれか1項に記載の電解液体生成装置。
- 前記突起部は、前記流路の流路幅方向中央部に形成されている請求項16に記載の電解液体生成装置。
- 前記突起部が、前記通液方向に並ぶように複数形成されている請求項16または請求項17に記載の電解液体生成装置。
- 前記突起部は、前記積層方向から視た状態で、少なくとも前記電解部との接触部分が前記溝部とオーバーラップしないように形成されている請求項16~18のうちいずれか1項に記載の電解液体生成装置。
- 前記溝部が前記通液方向に並ぶように複数形成されており、
前記突起部は、少なくとも前記電解部との接触部分における通液方向幅が、前記電解部における互いに隣り合う前記溝部の間の通液方向幅よりも小さい請求項16~19のうちいずれか1項に記載の電解液体生成装置。 - 前記突起部は、前記積層方向から視た状態で、輪郭形状が、頂点部分にR部が形成された多角形状となるように形成されている請求項16~20のうちいずれか1項に記載の電解液体生成装置。
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EP16896696.8A EP3438057A1 (en) | 2016-03-30 | 2016-10-04 | Electrolytic liquid generation device |
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- 2016-10-04 WO PCT/JP2016/004467 patent/WO2017168475A1/ja active Application Filing
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Also Published As
Publication number | Publication date |
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CN115747831A (zh) | 2023-03-07 |
KR20180118686A (ko) | 2018-10-31 |
EP3438057A4 (en) | 2019-02-06 |
KR102089475B1 (ko) | 2020-03-17 |
JP2017176993A (ja) | 2017-10-05 |
US20190055144A1 (en) | 2019-02-21 |
US10843943B2 (en) | 2020-11-24 |
CN115571953A (zh) | 2023-01-06 |
CN115627488A (zh) | 2023-01-20 |
JP6587152B2 (ja) | 2019-10-09 |
EP3438057A1 (en) | 2019-02-06 |
CN108883951A (zh) | 2018-11-23 |
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