WO2021161599A1 - 電解液体生成装置 - Google Patents
電解液体生成装置 Download PDFInfo
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- WO2021161599A1 WO2021161599A1 PCT/JP2020/041832 JP2020041832W WO2021161599A1 WO 2021161599 A1 WO2021161599 A1 WO 2021161599A1 JP 2020041832 W JP2020041832 W JP 2020041832W WO 2021161599 A1 WO2021161599 A1 WO 2021161599A1
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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
- C02F1/467—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
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/46104—Devices therefor; Their operating or servicing
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/46104—Devices therefor; Their operating or servicing
- C02F1/46109—Electrodes
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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
- C25B11/00—Electrodes; Manufacture thereof not otherwise provided for
- C25B11/02—Electrodes; Manufacture thereof not otherwise provided for characterised by shape or form
- C25B11/03—Electrodes; Manufacture thereof not otherwise provided for characterised by shape or form perforated or foraminous
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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
- C25B11/00—Electrodes; Manufacture thereof not otherwise provided for
- C25B11/04—Electrodes; Manufacture thereof not otherwise provided for characterised by the material
- C25B11/051—Electrodes formed of electrocatalysts on a substrate or carrier
- C25B11/052—Electrodes comprising one or more electrocatalytic coatings on a substrate
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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
- C25B11/00—Electrodes; Manufacture thereof not otherwise provided for
- C25B11/04—Electrodes; Manufacture thereof not otherwise provided for characterised by the material
- C25B11/051—Electrodes formed of electrocatalysts on a substrate or carrier
- C25B11/055—Electrodes formed of electrocatalysts on a substrate or carrier characterised by the substrate or carrier material
- C25B11/057—Electrodes formed of electrocatalysts on a substrate or carrier characterised by the substrate or carrier material consisting of a single element or compound
- C25B11/059—Silicon
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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
- C25B11/00—Electrodes; Manufacture thereof not otherwise provided for
- C25B11/04—Electrodes; Manufacture thereof not otherwise provided for characterised by the material
- C25B11/051—Electrodes formed of electrocatalysts on a substrate or carrier
- C25B11/073—Electrodes formed of electrocatalysts on a substrate or carrier characterised by the electrocatalyst material
- C25B11/075—Electrodes formed of electrocatalysts on a substrate or carrier characterised by the electrocatalyst material consisting of a single catalytic element or catalytic compound
- C25B11/083—Diamond
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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
- C25B9/07—Common duct cells
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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
- C25B9/13—Single electrolytic cells with circulation of an electrolyte
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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
- C25B9/13—Single electrolytic cells with circulation of an electrolyte
- C25B9/15—Flow-through cells
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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
- C25B9/23—Cells comprising dimensionally-stable non-movable electrodes; Assemblies of constructional parts thereof with diaphragms comprising ion-exchange membranes in or on which electrode material is embedded
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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
- C25B9/60—Constructional parts of cells
- C25B9/63—Holders for electrodes; Positioning of the 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
- 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
- C02F2201/46115—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
- C02F2201/78—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
- C02F2303/22—Eliminating or preventing deposits, scale removal, scale prevention
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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
Definitions
- This disclosure relates to an electrolytic liquid generator.
- an electrolytic liquid generator including an electrolytic unit that electrolyzes a liquid and a housing in which the electrolytic unit is arranged is known (see, for example, Patent Document 1).
- the electrolytic unit has a laminated body in which a conductive film is interposed between electrodes adjacent to each other.
- the electrolytic liquid generator is provided in the housing and has an inflow port into which the liquid supplied to the electrolytic part flows in and an outflow port into which the electrolytic liquid generated in the electrolytic part flows out.
- the housing has a flow path in which the liquid passing direction of the liquid formed inside intersects the laminating direction of the laminated body.
- the electrolytic portion includes a groove portion that opens in the flow path and is formed so that at least a part of the interface between the conductive film and the electrode is exposed. Further, the electrodes adjacent to each other form a cathode and an anode.
- the electrolytic liquid generator electrolyzes water as a liquid supplied to the electrolytic part by applying a voltage to the electrolytic part to generate ozone as an electrolytic product. Then, the electrolytic liquid generator dissolves the generated ozone in water to obtain ozone water as an electrolytic liquid.
- the electrodes constituting the laminated body are arranged so that the outer edge portion is in contact with the inner surface of the housing. As a result, the electrodes are positioned with respect to the housing.
- the present disclosure provides an electrolytic liquid generator capable of miniaturizing the electrodes and positioning the electrodes with respect to the housing.
- the electrolytic liquid generator of the present disclosure includes a laminate in which a conductive film is interposed between a cathode and an anode constituting electrodes adjacent to each other, an electrolytic unit for electrolytically treating a liquid, and an electrolytic unit.
- a housing that is placed inside.
- the housing is formed so that the inflow port where the liquid supplied to the electrolytic part flows in, the outflow port where the electrolytic liquid generated in the electrolytic part flows out, and the liquid passing direction intersect the laminating direction of the laminated body.
- the electrolytic portion has a groove portion that opens in the flow path and is formed so that at least a part of the interface between the conductive film and the electrode is exposed.
- a positioning member positioned with respect to the housing is arranged inside the housing, and the positioning member is configured to position at least one electrode of the cathode and the anode.
- an electrolytic liquid generator capable of downsizing the electrode and positioning the electrode with respect to the housing.
- FIG. 1 is an exploded perspective view of the electrolytic liquid generator according to the first embodiment.
- FIG. 2 is a cross-sectional view of the electrolytic liquid generator according to the embodiment.
- FIG. 3 is a cross-sectional view of the electrolytic liquid generator according to the embodiment.
- FIG. 4 is an enlarged view of a main part of FIG.
- FIG. 5 is a perspective view of a positioning member of the electrolytic liquid generator according to the embodiment.
- FIG. 6 is an enlarged view of a main part of FIG.
- FIG. 7 is a perspective view when the feeding body is assembled to the positioning member of the electrolytic liquid generator according to the embodiment.
- FIG. 8 is an enlarged top view of a main part of FIG. 7.
- FIG. 9 is a perspective view when the feeding body and the anode are assembled to the positioning member of the electrolytic liquid generator according to the embodiment.
- FIG. 10 is a top view of FIG. 9.
- FIG. 11 is an enlarged cross-sectional view of a main part of the electrolytic liquid generator according to the second embodiment.
- FIG. 12 is an enlarged cross-sectional view of a main part of the electrolytic liquid generator according to the third embodiment.
- ozone water generator generates ozone as an electrolytic product and dissolves ozone in water as a liquid to generate ozone water as an electrolytic liquid.
- Ozone water has the advantage of having no persistence and not producing by-products, and is effective for sterilization and decomposition of organic substances. Therefore, ozone water is widely used in the fields of water treatment, food, and medicine.
- the extending direction of the flow path is the liquid passing direction (the direction in which the liquid flows) X
- the width direction of the flow path is the width direction (the direction crossing the liquid passing direction) Y
- the electrodes and the conductive film are laminated.
- the direction will be described as the stacking direction Z. Further, in the present embodiment, the stacking direction Z will be described in the vertical direction, and the electrode case lid side in the housing will be described as the upper side.
- ozone as an electrolytic product water as a liquid
- ozone water as an electrolytic liquid will be described as specific examples.
- the electrolytic liquid generator 1 of the first embodiment includes an electrolytic unit 11, a housing 13, a positioning member 27, and the like.
- the electrolytic unit 11 includes a laminated body 9.
- the laminated body 9 has a cathode 3 and an anode 5 constituting adjacent electrodes, a conductive film 7, a feeding body 29, and the like.
- the cathode 3 and the anode 5 may be described simply as “electrodes”.
- the cathode 3 is formed using, for example, titanium.
- the cathode 3 is formed in the shape of a rectangular plate, for example, in which the liquid passage direction X is the longitudinal direction, the width direction Y is the lateral direction, and the stacking direction Z is the thickness direction.
- the cathode 3 is electrically connected to a feeding shaft 3b for the cathode at one end in the longitudinal direction (downstream of the liquid flow direction X) via a spiral spring portion 3a.
- the power feeding shaft 3b is electrically connected to the negative electrode of the power supply unit (not shown).
- the cathode 3 has a plurality of cathode side holes 3c formed so as to penetrate in the thickness direction (stacking direction Z).
- Each of the plurality of cathode side holes 3c is formed in the longitudinal direction (liquid flow direction X), for example, in a V shape and substantially the same (including the same) shape. That is, the plurality of cathode side holes 3c are provided so as to be arranged in a row at a predetermined pitch along the longitudinal direction (liquid flow direction X).
- the shape and arrangement of the cathode side holes 3c are not limited to the above-mentioned form, and may be another form such as a linear shape. Further, at least one cathode side hole 3c may be formed in the cathode 3.
- the anode 5 is formed by forming a conductive diamond film on a conductive substrate formed of, for example, silicon.
- the conductive diamond film has conductivity due to boron doping, and is formed on the conductive substrate by the plasma CVD method.
- the anode 5 is formed in the shape of a rectangular plate, for example, the liquid passing direction X is the longitudinal direction, the width direction Y is the lateral direction, and the stacking direction Z is the thickness direction. Further, two anodes 5 are arranged side by side along the longitudinal direction (liquid flow direction X). Then, the anode 5 is laminated with the cathode 3 with the conductive film 7 sandwiched in the stacking direction Z.
- the conductive film 7 of the laminated body 9 is formed by using, for example, a proton conductive type ion exchange film.
- the conductive film 7 is formed in a rectangular plate shape, for example, the liquid passing direction X is the longitudinal direction, the width direction Y is the lateral direction, and the stacking direction Z is the thickness direction.
- the conductive film 7 has a plurality of conductive film side holes 7a formed so as to penetrate in the thickness direction (stacking direction Z).
- Each of the plurality of conductive film side holes 7a is formed along the lateral direction (width direction Y), for example, in the shape of a long hole and substantially the same (including the same). That is, the plurality of conductive film side holes 7a are provided so as to be arranged in a row at a predetermined pitch along the longitudinal direction (liquid flow direction X).
- the pitch of the plurality of conductive film side holes 7a may be the same as that of the cathode side holes 3c or different from that of the cathode side holes 3c.
- the shape and arrangement of the conductive film side holes 7a are not limited to the above-mentioned form, and may be another form such as a V-shape. Further, at least one conductive film side hole 7a may be formed in the conductive film 7.
- the feeding body 29 is formed using, for example, titanium.
- the feeding body 29 is formed in a rectangular plate shape, for example, the liquid passing direction X is the longitudinal direction, the width direction Y is the lateral direction, and the stacking direction Z is the thickness direction.
- the feeding shaft 29b for the anode is electrically connected to the other end in the longitudinal direction (upstream side in the liquid flow direction X) via the spiral spring portion 29a.
- the power feeding shaft 29b is electrically connected to the positive electrode of the power supply unit (not shown).
- the feeding body 29 is laminated on one surface side of the anode 5 in the stacking direction Z, and is arranged in contact with the anode 5. As a result, the feeding body 29 is electrically connected to the anode 5.
- the laminated body 9 of the present embodiment is laminated in the order of the feeding body 29, the anode 5, the conductive film 7, and the cathode 3 from the lower side in the stacking direction Z.
- the laminate 9 is a portion of the conductive film 7 laminated between the cathode 3 and the anode 5, the interface 21 between the cathode 3 and the conductive film 7, and the space between the anode 5 and the conductive film 7. Interfaces 23 are formed respectively.
- the laminated body 9 is a portion where the cathode 3 and the conductive film 7 are laminated, and the cathode side hole 3c and the conductive film side hole 7a communicate with each other in the stacking direction Z.
- the groove portion 25 is formed by the conductive film 7, the cathode side hole 3c, and the conductive film side hole 7a. At this time, at least a part of the interface 21 and the interface 23 is exposed to the groove portion 25. Further, the groove 25 opens in a flow path 19 which will be described later, through which a liquid such as water flows. As a result, water is circulated in the groove 25.
- the electrolytic unit 11 having the laminated body 9 water first circulates in the flow path 19 and water circulates in the groove 25.
- a voltage is applied between the cathode 3 and the anode 5 by the power supply unit in a state where water is flowing, a potential difference is generated between the cathode 3 and the anode 5 via the conductive film 7. Due to this potential difference, the cathode 3, the anode 5, and the conductive film 7 are energized.
- the electrolytic treatment is mainly performed in the water in the groove 25, and ozone as an electrolytic product is generated in the vicinity of the interface 23 between the anode 5 and the conductive film 7.
- the generated ozone is dissolved in water while being carried to the downstream side of the flow path 19 along the flow of water.
- an electrolytic liquid such as ozone water is generated.
- the electrolytic unit 11 is arranged in the housing 13.
- the housing 13 of the electrolytic liquid generator 1 is formed by using a non-conductive resin such as PPS.
- the housing 13 is composed of an electrode case 49, an electrode case lid 51, and the like.
- the electrode case 49 of the housing 13 has a bottom wall portion 53 located below the stacking direction Z and a peripheral wall portion 55.
- the peripheral wall portion 55 is erected from the peripheral edge portion of the bottom wall portion 53 toward the upper side in the stacking direction Z, and is formed continuously in the circumferential direction. That is, the electrode case 49 is formed in the shape of a rectangular housing, for example, in which the upper side of the peripheral wall portion 55 is opened.
- the peripheral wall portion 55 has a flange portion 57 arranged at the upper end. The flange portion 57 extends outward in a plane direction parallel to the liquid passing direction X and the width direction Y, and is continuously formed in the circumferential direction of the peripheral wall portion 55.
- the electrode case 49 has a housing recess 59, a pair of through holes 61, a fitting convex portion 63, an inflow port 15, an inflow port 17, and the like.
- the accommodating recess 59 is formed in the internal space of the electrode case 49 in which the upper side of the peripheral wall portion 55 is opened and is partitioned by the inner surface 53a of the bottom wall portion 53 and the inner surface 55a of the peripheral wall portion 55.
- the electrolytic portion 11, the positioning member 27, and the like are accommodated in the accommodating recess 59 from the opening side.
- the peripheral wall portion 55 has a plurality of positioning protrusions 65 formed on the inner surface 55a.
- the positioning projection 65 is formed along the liquid flow direction X, and positions the cathode 3 of the laminated body 9 with respect to the housing 13.
- the pair of through holes 61 are provided near the ends of the bottom wall portion 53 of the accommodating recess 59 on the downstream side and the upstream side of the liquid passage direction X, respectively.
- the pair of through holes 61 are formed by penetrating the bottom wall portion 53 in the stacking direction Z.
- the feeding shaft 3b of the cathode 3 and the feeding shaft 29b of the feeding body 29 are inserted into the pair of through holes 61 in a state where the electrolytic portion 11 is housed in the housing recess 59 of the electrode case 49.
- An O-ring 67, a washer 69, a spring washer 71, and a hexagon nut 73 are assembled to the inserted power feeding shaft 3b and power feeding shaft 29b under the pair of through holes 61.
- the power feeding shaft 3b and the power feeding shaft 29b are fixed to the pair of through holes 61. Further, by this assembly, the accommodating recess 59 is stopped from water.
- the fitting convex portion 63 is erected from the upper surface of the peripheral wall portion 55 (for example, the flange portion 57) toward the upper side in the stacking direction Z, and is formed continuously in the circumferential direction.
- the fitting recess 79 of the electrode case lid 51 which will be described later, is fitted to the fitting convex portion 63, and the electrode case lid 51 is positioned with respect to the electrode case 49.
- a plurality of fitting convex portions 63 may be formed discontinuously in the circumferential direction.
- the inflow port 15 is provided in the peripheral wall portion 55 located on the upstream side of the liquid passing direction X in the peripheral wall portion 55 of the electrode case 49, and extends in a tubular shape toward the upstream side of the liquid passing direction X.
- An elongated hole 15a is formed in the central portion of the inflow port 15 so as to penetrate the peripheral wall portion 55 in the liquid passing direction X and communicate with the accommodating recess 59.
- a pipe (not shown) for supplying water is connected to the inflow port 15, and water is introduced into the accommodating recess 59.
- the outlet 17 is provided on the peripheral wall portion 55 located on the downstream side of the liquid passage direction X among the peripheral wall portions 55 of the electrode case 49, and extends in a tubular shape toward the downstream side of the liquid passage direction X.
- An elongated hole (not shown) is formed in the central portion of the outflow port 17 so as to penetrate the peripheral wall portion 55 in the liquid passing direction X and communicate with the accommodating recess 59.
- a pipe (not shown) for discharging ozone water is connected to the outlet 17, and ozone water or the like generated by the electrolytic unit 11 in the accommodating recess 59 is led out.
- the electrode case lid 51 of the housing 13 has a rectangular lid body 75 located above the stacking direction Z and a stacking direction from the lower surface of the central portion of the lid body 75. It has a flow path convex portion 77 or the like that is erected in a rectangular shape toward the lower side of Z.
- the outer shape of the lid main body 75 is formed to be substantially the same (including the same) as the flange portion 57 of the electrode case 49. That is, the lid main body 75 is configured to be able to close the opening of the accommodating recess 59 of the electrode case 49.
- the lid main body 75 has a fitting recess 79 that is formed continuously in the circumferential direction in the vicinity of the outer edge portion of the lower surface and can be fitted with the fitting convex portion 63 of the electrode case 49.
- the lower surface of the lid main body 75 is in contact with the upper surface of the flange portion 57 of the electrode case 49, and the contact surfaces of the lid portion main body 75 are welded to each other in a state where the fitting concave portion 79 is fitted to the fitting convex portion 63. By this welding, the inside of the housing 13 is stopped from water, and the electrode case lid 51 is fixed to the electrode case 49.
- the fixing of the electrode case 49 and the electrode case lid 51 is not limited to the above welding method.
- a sealing material may be interposed between the electrode case 49 and the electrode case lid 51, and the electrode case 49 and the electrode case lid 51 may be fixed by a fixing method such as screwing.
- a fixing method such as screwing.
- the fitting recess 79 when a plurality of fitting convex portions 63 are formed discontinuously in the circumferential direction, a plurality of fitting recesses 79 are discontinuously fitted in the circumferential direction in accordance with the plurality of fitting convex portions 63. Recesses 79 may be formed and fitted to each other for welding.
- the lid body 75 has a groove 81 formed on the upper surface.
- the groove 81 is utilized for positioning, catching, preventing reverse insertion, and the like when assembling the electrolytic liquid generating device 1 to, for example, an apparatus.
- the outer shape of the flow path convex portion 77 is formed to be substantially the same (including the same) as the inner edge portion of the opening of the accommodating recess 59 of the electrode case 49.
- the dimensions of the outer surface of the flow path convex portion 77 are set so as to have a slight gap between the outer surface and the inner surface 55a of the peripheral wall portion 55. This facilitates the insertion of the flow path convex portion 77 into the accommodating recess 59 of the electrode case 49.
- the flow path convex portion 77 is inserted into the accommodating recess 59 with the electrode case lid 51 assembled to the electrode case 49.
- the lower surface of the electrode case lid 51 comes into contact with the surface of the cathode 3 of the electrolytic unit 11 and presses the laminated body 9 of the electrolytic unit 11 toward the lower side in the stacking direction Z.
- the flow path convex portion 77 includes a flow path groove 83 formed in the central portion of the lower surface along the liquid flow direction X.
- the flow path groove 83 is partitioned by a plurality of columnar protrusions 83a arranged along the liquid passage direction X in the central portion of the flow path convex portion 77 in the width direction Y. As a result, two flow path grooves 83 are provided in the width direction Y of the flow path convex portion 77. Each flow path groove 83 is open on both sides of the facing cathode 3 side and the liquid flow direction X.
- the width of the flow path groove 83 in the width direction Y is set to be substantially the same (including the same) as the width of the groove portion 25 of the electrolytic unit 11 in the width direction Y. With this setting, the water flowing through the flow path groove 83 can be stably introduced into the groove portion 25. Then, the flow path groove 83 forms a flow path 19 through which water flows between the flow path convex portion 77 and the surface of the cathode 3 in a state where the flow path convex portion 77 is in contact with the cathode 3.
- the water introduced into the housing 13 flows into the flow path 19 from the inflow port 15.
- the water flowing into the flow path 19 flows through the groove 25 of the electrolysis unit 11 and is electrolyzed to generate ozone as an electrolysis product.
- the generated ozone is dissolved in the water flowing through the flow path 19, and ozone water is generated.
- the generated ozone water flows through the flow path 19 and is led out of the housing 13 from the outlet 17.
- the positioning member 27 is arranged in the housing 13 in which the flow path 19 is formed.
- the positioning member 27 shown in FIGS. 1 to 10 is configured by using an elastic body having an elastic force such as rubber, plastic, or a metal spring.
- the outer surface shape of the positioning member 27 is formed into a rectangular parallelepiped shape that is substantially the same (including the same) as the inner surface shape of the housing recess 59 of the electrode case 49 on the bottom wall portion 53 side, and is configured to be able to be accommodated in the housing recess 59.
- the positioning member 27 is accommodated in the accommodating recess 59, and the electrolytic portion 11 is laminated on the upper side in the stacking direction Z. Then, the electrode case lid 51 is assembled to the electrode case 49 in a laminated state.
- the flow path convex portion 77 of the electrode case lid 51 presses the cathode 3 of the laminated body 9 of the electrolytic portion 11 toward the lower side in the stacking direction Z.
- the positioning member 27 is pressed toward the lower side in the stacking direction Z.
- the positioning member 27 is made of an elastic body, a repulsive force that tries to restore the positioning member 27 toward the upper side in the stacking direction Z is generated in response to the pressing.
- the repulsive force of the positioning member 27 gives the electrolytic unit 11 an urging force toward the upper side in the stacking direction Z.
- the laminated body 9 of the electrolytic portion 11 is in close contact with the flow path convex portion 77 of the electrode case lid 51 in the stacking direction Z. Therefore, the contact of the laminated body 9 is stable, and the energized area is maintained. As a result, the current density supplied to the laminated body 9 can be equalized, and the electrolytic processing performance in the electrolytic unit 11 can be stabilized.
- a gap is formed between the outer surface of the positioning member 27 and the inner surface of the accommodating recess 59. Due to this gap, deformation of the positioning member 27 when the positioning member 27 is elastically deformed by pressing is allowed.
- the positioning member 27 further includes a positioning recess 85.
- a plurality of positioning recesses 85 are formed so as to penetrate in the stacking direction Z, and a plurality of positioning recesses 85 are arranged along the liquid flow direction X.
- a plurality of positioning protrusions 87 which are erected from the bottom wall portion 53 of the housing recess 59 of the electrode case 49, are inserted into the positioning recess 85.
- a gap is formed between the inner surface of the positioning recess 85 and the outer surface of the positioning convex portion 87 to allow the positioning member 27 to be deformed. Due to this gap, deformation of the positioning member 27 is allowed as in the case of the above gap.
- the positioning recess 85 may be formed in a concave shape instead of a penetrating shape in which the positioning member 27 penetrates in the stacking direction Z.
- the width of the cathode 3 of the laminate 9 of the electrolytic unit 11 in the width direction Y is the width direction Y of the flow path convex portion 77 of the electrode case lid 51. It is set to be almost the same as (including the same) as the width.
- the width of the cathode 3 By setting the width of the cathode 3, the cathode side hole 3c of the cathode 3 and the conductive film side hole 7a of the conductive film 7 and the anode with respect to the flow path 19 formed between the flow path convex portion 77.
- the opening of the groove 25 formed by 5 can be stably arranged. Further, the flow path convex portion 77 can stably press the cathode 3 of the electrolytic portion 11 toward the lower side in the stacking direction Z.
- the width of the anode 5 of the laminated body 9 in the width direction Y is narrower than the width of the cathode 3 in the width direction Y, and is set to be substantially the same (including the same) as the width of the conductive film 7 in the width direction Y. NS.
- the width of the power feeding body 29 of the laminated body 9 in the width direction Y is set to be substantially the same (including the same) as the width of the anode 5 in the width direction Y.
- the width of the positioning member 27 in the width direction Y is set wider than the width of the anode 5 of the laminated body 9 and the width direction Y of the feeding body 29.
- the outer edge portion of the positioning member 27 can be arranged on the outer peripheral portions of the anode 5 and the feeding body 29.
- the positioning member 27 can stably receive the pressing force applied to the feeding body 29 from the flow path convex portion 77 of the electrode case lid 51. As a result, the urging force can be stably applied to the laminated body 9 of the electrolytic unit 11.
- the electrolytic liquid generator 1 when a minute gap is formed between the outer peripheral portion of the electrolytic portion 11 and the inner surface of the housing 13, a liquid such as water infiltrates into the minute gap and stays there. I have something to do.
- water is electrolyzed to generate ozone in a state where water is retained around the electrolytic unit 11, the pH value of the water retained around the electrolytic unit 11 rises.
- a scale mainly composed of a calcium component is likely to be generated around the electrolytic unit 11.
- scale When scale is generated, scale may be deposited in minute gaps. Then, when the scale is deposited around the electrolytic unit 11, the scale may be pressed and the electrolytic unit 11 and the housing 13 may be deformed.
- the electrolytic liquid generator 1 of the first embodiment forms a space portion 31 for suppressing the retention of water between the outer peripheral portion of the electrolytic portion 11 and the inner surface of the housing 13. There is.
- the space portion 31 is formed between the inner surface 55a of the peripheral wall portion 55 and the side surfaces on both sides of the laminated body 9 in the width direction Y. Specifically, the space portion 31 is located between the inner surface 55a of the peripheral wall portion 55, the side surface 3d of the cathode 3, the side surface 5a of the anode 5, the side surface 7b of the conductive film 7, and the side surface 29c of the feeding body 29, respectively. It is formed.
- the space portion 31 is formed inside the housing 13 on both sides of the laminated body 9 in the width direction Y along the liquid flow direction X, and communicates with the inflow port 15 and the outflow port 17, respectively.
- the water introduced from the inflow port 15 is circulated to the space portion 31, and the water is led out from the outflow port 17. Therefore, the retention of water around the electrolytic unit 11 is suppressed.
- the generation or accumulation of scale around the electrolytic unit 11 is suppressed.
- the space portion 31 may be configured to communicate with each other in the middle of the flow path 19. As a result, deformation of the electrolytic part and the housing caused by the accumulation of scale can be suppressed. As a result, the current density can be made uniform and the ability to generate an electrolytic product in the electrolytic unit can be stabilized.
- the width of the anode 5 in the width direction Y is formed narrower than the width of the cathode 3 in the width direction Y in the electrolytic portion 11. Then, by narrowing the width of the anode 5, the anode 5 can be miniaturized. However, if the anode 5 is miniaturized, the anode 5 may not be directly positioned with respect to the housing 13.
- the anode 5 of the laminated body 9 of the electrolytic unit 11 is positioned by the positioning member 27 positioned with respect to the housing 13. .. That is, the anode 5 is positioned in the electrode case 49 of the housing 13 via the positioning member 27. As a result, even if the anode 5 is miniaturized, the anode 5 can be more reliably positioned with respect to the housing 13.
- the positioning member 27 of the first embodiment is erected at the peripheral edge of the upper surface so as to project from the upper surface toward the upper side in the stacking direction Z.
- a unit 33 is provided.
- the height of the plurality of protrusions 33 in the stacking direction Z is the total thickness of the feeding body 29 and the anode 5 so as to reach the height position of the anode 5 of the laminated body 9 laminated on the positioning member 27. And are set to be almost the same (including the same). As a result, the anode 5 can be positioned by the plurality of protrusions 33.
- the plurality of protrusions 33 are composed of a first protrusion 39, a second protrusion 41, a third protrusion 43, a guide portion 45, and the like, which are represented by different names depending on the arrangement position, purpose, and the like. Will be done.
- protrusion 33 When the first protrusion 39, the second protrusion 41, the third protrusion 43, and the guide portion 45 are collectively referred to, the description will be simply referred to as "protrusion 33".
- a plurality of first protrusions 39 are arranged on both sides of the upper surface of the positioning member 27 in the width direction Y (short direction) along the liquid flow direction X (longitudinal direction).
- the first protrusion 39 is arranged so as to face the side surfaces 5a and 29c on both sides of the anode 5 and the feeding body 29 in the width direction Y. Therefore, when the anode 5 and the feeding body 29 try to move in the width direction Y, the side surfaces 5a and 29c of the anode 5 and the feeding body 29 come into contact with the first protrusion 39. As a result, the movement of the anode 5 and the feeding body 29 in the width direction Y is restricted. That is, the first protrusion 39 positions the anode 5 and the feeding body 29 with respect to the width direction Y.
- the first protrusion 39 prevents the anode 5 and the feeding body 29 from moving in the width direction Y, and the space portion 31 described above can be stably held. Further, the contact between the anode 5 and the feeding body 29 can be stabilized. As a result, the electrolysis treatment performance of the electrolysis unit 11 can be stably maintained.
- the first protrusion 39 is formed in a cylindrical shape.
- the contact surface between the side surface 5a of the anode 5 and the side surface 29c of the feeding body 29 and the first protrusion 39 can be made small, and the space portion 31 can be made large.
- the contact resistance between the first protrusion 39 and the anode 5 and the feeding body 29 can be reduced. Thereby, the assembling property of the anode 5 and the feeding body 29 with respect to the positioning member 27 can be improved.
- the feeding body 29 is provided on the facing portion of the feeding body 29 in which the first protrusion 39 is arranged, and is continuously formed along the liquid passing direction X. It has an avoidance unit 35.
- the avoiding portion 35 avoids contact between the first protrusion 39 and the feeding body 29 with respect to the stacking direction Z.
- the width of the avoidance portion 35 in the width direction Y is narrower than the width of the power supply shaft 29b side of the power supply body 29 in the width direction Y, and is substantially the same (including the same) as the width of the anode 5 in the width direction Y. Is formed to be.
- the feeding body 29 does not interfere with the first protrusion 39, and the anode 5 can be positioned by the first protrusion 39.
- the second protrusion 41 is arranged on each side of the upper surface of the positioning member 27 in the liquid flow direction X (longitudinal direction).
- the second protrusion 41 is arranged so as to face the side surfaces of the anode 5 of the laminated body 9 and the feeding body 29 on both sides in the liquid flow direction X. Therefore, when the anode 5 and the feeding body 29 move in the liquid flow direction X, the anode 5 and the feeding body 29 come into contact with the second protrusion 41. As a result, the movement of the anode 5 and the feeding body 29 in the liquid passing direction X is restricted. That is, the second protrusion 41 positions the anode 5 and the feeding body 29 with respect to the liquid flow direction X.
- the second protrusion 41 regulates the movement of the anode 5 and the feeding body 29 in the liquid flow direction X. As a result, the contact between the anode 5 and the feeding body 29, which form the laminated body 9, is stabilized. As a result, high electrolysis treatment performance in the electrolysis unit 11 can be maintained. Further, the second protrusions 41 are arranged on both sides of the liquid passage direction X, respectively. As a result, when assembling the laminated body 9 to the positioning member 27, the second protrusion 41 can be used as a guide for the assembling position. As a result, the assembling property of the laminated body 9 to the positioning member 27 can be improved.
- the second protrusion 41 is formed in a rectangular prism shape having the width direction Y as the longitudinal direction. Due to the rectangular prismatic shape, the anode 5 and the feeding body 29 can be stably positioned with respect to the liquid flow direction X by one second protrusion 41 arranged on both sides of the liquid flow direction X.
- the power feeding body 29 includes an avoidance unit 37 as shown in FIGS. 7 to 10.
- the avoidance portion 37 is provided on the portion on the power feeding shaft 29b side where the second protrusion 41 is arranged, and avoids contact with the second protrusion 41 with respect to the stacking direction Z.
- the avoidance portion 37 is formed in a rectangular hole shape that penetrates the feeding body 29 in the stacking direction Z (thickness direction) and has an inner diameter larger than the outer diameter of the second protrusion 41. Then, the second protrusion 41 of the positioning member 27 is inserted and arranged in the avoidance portion 37.
- the hole-shaped avoiding portion 37 can maintain the rigidity of the feeding body 29 higher than, for example, as compared with the case of the avoiding portion connecting the center of the feeding body 29 in the lateral direction with a single line.
- the third protrusion 43 is also used as the first protrusion 39, and as shown in FIG. 9, the third protrusion 43 is located near the corner of each of the two rectangular anodes 5 arranged along the liquid flow direction X. Be placed.
- the third protrusion 43 positions the anode 5 and the feeding body 29 with respect to the width direction Y. Further, the third protrusion 43 prevents the respective anodes 5 from rotating in the plane formed in the liquid flow direction X and the width direction Y.
- the third protrusion 43 stably suppresses the positional deviation of the anode 5 in the plane direction parallel to the liquid passage direction X and the width direction Y.
- the energizing area between the anode 5 and the feeding body 29 is stably maintained, and the energizing density can be made uniform.
- the electrolytic treatment performance in the electrolytic unit 11 can be stably maintained.
- the guide portion 45 is arranged in the vicinity of the central portion between the corner portions of each of the rectangular anodes 5 arranged in two along the liquid flow direction X.
- the guide portion 45 is also used as the first protrusion portion 39, and positions the anode 5 and the feeding body 29 with respect to the width direction Y.
- the induction portion 45 may also be used as the second protrusion 41 and may be positioned with respect to the liquid passing direction X of the anode 5 and the feeding body 29.
- a gap 47 is formed between the plurality of protrusions 33 and the outer edge portion of the positioning member 27 provided with the plurality of protrusions 33 described above.
- the gap 47 extends in the width direction Y, which is formed at a position on the upper surface of the positioning member 27 between the plurality of first protrusions 39 and the outer edges on both sides of the positioning member 27 in the width direction Y. It is composed of space. A liquid such as water flowing through the space portion 31 described above flows through the gap portion 47. The space portion 31 can be further widened by the gap portion 47. As a result, scale accumulation can be prevented more reliably. Further, the gap portion 47 can adjust the interval of the gap portion 47 in the width direction Y, that is, the position of the first protrusion 39 with respect to the width direction Y. As a result, when the size of the anode 5 of the laminated body 9 and the size of the feeding body 29 in the width direction Y are changed, it can be easily dealt with.
- the gap 47 is formed on the upper surface of the positioning member 27 at a position between the second protrusion 41 of the positioning member 27 and the outer edges on both sides of the positioning member 27 in the liquid passing direction X. It may be composed of a space extending to X.
- the gap 47 provided in the liquid flow direction X allows the interval of the gap 47 in the liquid flow direction X, that is, the position of the second protrusion 41 with respect to the liquid flow direction X to be adjusted. As a result, when the size of the anode 5 of the laminated body 9 and the liquid passing direction X of the feeding body 29 is changed, it can be easily dealt with.
- the electrolytic liquid generator 1 of the first embodiment has a laminated body 9 laminated so that a conductive film 7 is interposed between a cathode 3 and an anode 5 constituting electrodes adjacent to each other. Be prepared. Further, the electrolytic liquid generating device 1 includes an electrolytic unit 11 that electrolyzes the liquid, and a housing 13 in which the electrolytic unit 11 is arranged inside.
- the inflow port 15 into which the liquid supplied to the electrolytic unit 11 flows in, the outflow port 17 from which the electrolytic liquid generated in the electrolytic unit 11 flows out, and the liquid passing direction X are the laminating directions of the laminated body 9. It has a flow path 19 formed so as to intersect Z. Further, the electrolytic portion 11 opens in the flow path 19 and is formed so that at least a part of the interface 21 and the interface 23 between the conductive film 7 and the cathode 3 and the anode 5 constituting the electrode is exposed. To be equipped. Further, a positioning member 27 positioned with respect to the housing 13 is arranged inside the housing 13, and the positioning member 27 is configured to position at least one of the electrodes of the cathode 3 and the anode 5. NS.
- the electrode can be more reliably positioned with respect to the housing 13 via the positioning member 27. That is, it is possible to suppress the occurrence of positional deviation in the laminated body 9 of the electrolytic unit 11 and stably maintain the energized area in the electrolytic unit 11. As a result, the current density in the laminated body 9 can be made uniform, and the ability of the electrolytic unit 11 to generate an electrolytic product can be stabilized.
- the laminated body 9 has a feeding body 29 that comes into contact with the electrodes, and the feeding body 29 is positioned by the positioning member 27.
- the occurrence of misalignment between the electrode and the feeding body 29 can be suppressed, and the contact between the electrode and the feeding body 29 can be stabilized. That is, the current-carrying area between the electrode and the feeding body 29 can be stably maintained, and the current density can be made uniform. As a result, the ability of the electrolytic unit 11 to generate an electrolytic product can be stabilized.
- the housing 13 has a space portion 31 formed between the outer peripheral portion of at least one of the electrodes of the cathode 3 and the anode 5 and the inner surface of the housing 13 to suppress the retention of liquid. As a result, it is possible to prevent the liquid from staying around the electrolytic unit 11. That is, the generation of scale between the electrolytic unit 11 and the housing 13 can be suppressed. As a result, deformation of the electrolytic unit 11 and the housing 13 due to the accumulation of scale can be suppressed in advance.
- the width of the feeding body 29 in the direction intersecting the liquid passing direction X is substantially the same (including the same) as the electrode in contact with the feeding body 29.
- the current-carrying area between the electrode and the feeding body 29 can be stably maintained while suppressing the increase in size of the feeding body 29.
- the current density in the electrolytic unit 11 can be made uniform, and the ability of the electrolytic unit 11 to generate an electrolytic product can be stabilized.
- the positioning member 27 is provided so as to project in the stacking direction Z, and includes a protrusion 33 for positioning at least one of the electrodes of the cathode 3 and the anode 5.
- the feeding body 29 has an avoidance portion 35 and an avoidance portion 37 for avoiding contact with the protrusion 33 in the stacking direction Z.
- the electrode and the feeding body 29 can be brought into stable contact with each other.
- the current-carrying area between the electrode and the feeding body 29 can be stably maintained, the current density can be made uniform, and the ability of the electrolytic unit 11 to generate an electrolytic product can be stabilized.
- the avoiding portions 35 and 37 are formed in a hole shape through which the protruding portions 33 are inserted in the stacking direction Z.
- the rigidity of the feeding body 29 can be maintained, and the deformation of the feeding body 29 can be suppressed.
- the contact between the electrode and the feeding body 29 is stabilized, the energized area between the electrode and the feeding body 29 is stably maintained, the current density is made uniform, and the ability of the electrolytic unit 11 to generate an electrolytic product is stabilized. Can be converted.
- the positioning member 27 is an elastic body. That is, the positioning member 27 can bring the laminated body 9 into close contact with the stacking direction Z to stabilize the contact of the laminated body 9. As a result, the energized area of the laminated body 9 can be stably maintained, the current density can be made uniform, and the ability of the electrolytic unit 11 to generate an electrolytic product can be stabilized. Further, by forming the positioning member 27 with an elastic body, the number of parts can be reduced. That is, since it can be realized by adding a function to the elastic body which is a component, the number of parts can be reduced as compared with the case where the positioning member is configured as a dedicated member.
- the positioning member 27 is provided so as to project in the stacking direction Z, and a plurality of protrusions for positioning at least one of the electrodes of the cathode 3 and the anode 5 in a plane direction parallel to the liquid passing direction X.
- a unit 33 is provided.
- the plurality of protrusions 33 position the first protrusion 39 in which at least one of the electrodes of the cathode 3 and the anode 5 is positioned with respect to the direction (width direction Y) intersecting the liquid flow direction X.
- the energized area in the electrolytic unit 11 can be stably maintained, the current density can be made uniform, and the ability of the electrolytic unit 11 to generate an electrolytic product can be stabilized.
- the first protrusion 39 has a cylindrical shape. As a result, the contact surface between the electrode and the first protrusion 39 of the positioning member 27 can be reduced. Therefore, the contact resistance when assembling the electrodes becomes small. As a result, the assembling property of the electrode to the positioning member 27 can be improved.
- the plurality of protrusions 33 have a second protrusion 41 that positions at least one of the electrodes of the cathode 3 and the anode 5 with respect to the liquid flow direction X.
- the displacement of the electrodes in the liquid flow direction X can be suppressed.
- the energized area in the electrolytic unit 11 can be stably maintained, the current density can be made uniform, and the ability of the electrolytic unit 11 to generate an electrolytic product can be stabilized.
- the second protrusion 41 has a rectangular shape. As a result, the contact surface between the electrode and the second protrusion 41 of the positioning member 27 can be enlarged. As a result, the electrode can be stably positioned in the liquid flow direction X by the second protrusion 41.
- At least one of the electrodes of the cathode 3 and the anode 5 is formed in a polygonal shape.
- the plurality of protrusions 33 have a third protrusion 43 that is arranged near the corner of at least one of the cathode 3 and the anode 5.
- the corner portion of the electrode is positioned by the third protrusion 43, and the rotation of the electrode can be prevented.
- the energized area in the electrolytic unit 11 can be stably maintained, the current density can be made uniform, and the ability of the electrolytic unit 11 to generate an electrolytic product can be stabilized.
- the plurality of protrusions 33 have a guide portion 45 that guides at least one of the electrodes of the cathode 3 and the anode 5 to the assembly position.
- the guide portion 45 can easily guide the electrode to the assembling position.
- the electrode can be easily assembled to the positioning member 27, so that the assembling property can be improved.
- the positioning member 27 has a gap portion 47 formed between the plurality of protrusions 33 and the outer edge portion. Therefore, the position of the protrusion 33 can be easily changed by adjusting the distance between the gaps 47. As a result, it is possible to easily cope with the change in the size of the electrode. As a result, the degree of freedom in electrode design can be further improved.
- the height of the stacking direction Z of the plurality of protrusions 33 is substantially the same (including the same) as the thickness of the electrodes adjacent to the plurality of protrusions 33.
- the electrode can be stably positioned by the protrusion 33.
- the interference between the protrusion 33 and the peripheral member can be suppressed.
- the energized area in the electrolytic unit 11 can be stably maintained, the current density can be made uniform, and the ability of the electrolytic unit 11 to generate an electrolytic product can be stabilized.
- the electrolytic liquid generator 101 according to the second embodiment is different from the electrolytic liquid generator 1 of the first embodiment in that the conductive film 7 is positioned by the positioning member 27.
- the electrolytic liquid generator 101 of the second embodiment is a plurality of protrusions 33 of the positioning member 27 (only the first protrusion 39 is shown in FIG. 11), and the feeding body 29 and the anode 5 And the conductive film 7 is positioned.
- the height of the protrusion 33 in the stacking direction Z is conductive with the feeding body 29 and the anode 5 so as to reach the height position of the conductive film 7 of the laminated body 9 laminated on the positioning member 27. It is set to be substantially the same (including the same) as the total thickness of the film 7.
- the plurality of protrusions 33 are arranged to face the side surfaces 29c, 5a, and 7b of the feeding body 29, the anode 5, and the conductive film 7 on both sides in the liquid passing direction X and the width direction Y.
- the power feeding body 29, the anode 5, and the conductive film 7 of the laminated body 9 try to move in the plane direction parallel to the liquid passing direction X
- the power feeding body 29, the anode 5, and the conductive film 7 are plural.
- the protrusion 33 of the As a result, the movement of the laminated body 9 in the plane direction is restricted. That is, the plurality of protrusions 33 position the feeding body 29, the anode 5, and the conductive film 7 of the laminated body 9 with respect to the plane direction parallel to the liquid passing direction X.
- the conductive film 7 is positioned by the positioning member 27. Therefore, even if the conductive film 7 is miniaturized, the conductive film 7 can be positioned with respect to the housing 13 via the positioning member 27. As a result, the positional deviation of the electrolytic unit 11 in the laminated body 9 can be suppressed. As a result, the energized area in the electrolytic unit 11 can be stably maintained, the current density can be made uniform, and the ability of the electrolytic unit 11 to generate an electrolytic product can be stabilized.
- the electrolytic liquid generator 201 according to the third embodiment is different from the electrolytic liquid generator of the other embodiment in that the positioning member 27 positions the cathode 3 and the anode 5.
- the width of the cathode 3 in the width direction Y is substantially the same as the width of the feeder 29, the anode 5, and the conductive film 7 in the width direction Y. Set to the same (almost the same). Therefore, the cathode 3 cannot be directly positioned with respect to the housing 13. Therefore, the cathode 3 is positioned with respect to the positioning member 27 positioned with respect to the housing 13.
- the power feeding body 29, the anode 5, the conductive film 7 and the cathode 3 of the laminated body 9 are positioned by the plurality of protrusions 33 of the positioning member 27 (only the first protrusion 39 is shown in FIG. 12).
- the height of the protrusion 33 in the stacking direction Z reaches the height position of the cathode 3 of the laminated body 9 laminated on the positioning member 27, so that the feeding body 29, the anode 5, and the conductive film 7 are reached. It is set to be substantially the same as the total thickness of the cathode 3 and the cathode 3.
- the plurality of protrusions 33 are arranged so as to face the side surfaces 29c, 5a, 7b, and 3d of the feeding body 29, the anode 5, the conductive film 7, and the cathode 3 on both sides in the liquid passing direction X and the width direction Y. ..
- the power feeding body 29, the anode 5, the conductive film 7 and the cathode 3 of the laminated body 9 try to move in the plane direction parallel to the liquid flow direction X
- the power feeding body 29, the anode 5, and the conductive film 7 The cathode 3 comes into contact with the plurality of protrusions 33.
- the plurality of protrusions 33 position the feeding body 29, the anode 5, the conductive film 7, and the cathode 3 of the laminated body 9 with respect to the plane direction parallel to the liquid passing direction X.
- the cathode 3 of the third embodiment is an avoidance portion (see FIG. 1) provided on the power feeding shaft 3b (see FIG. 1) side to avoid contact with the second protrusion 41 (see FIG. 5) with respect to the stacking direction Z. Not shown).
- the avoidance portion is preferably formed in a hole shape, similarly to the avoidance portion 37 (see FIG. 8) provided on the feeding body 29 described in the first embodiment. By forming the avoidance portion into a hole shape, the rigidity of the cathode 3 can be maintained.
- the electrolytic liquid generator 201 of the third embodiment positions the cathode 3 and the anode 5 with the positioning member 27. Therefore, even if the cathode 3 is miniaturized, the cathode 3 can be positioned with respect to the housing 13 via the positioning member 27. As a result, the positional deviation of the electrolytic unit 11 in the laminated body 9 can be suppressed. As a result, the energized area in the electrolytic unit 11 can be stably maintained, the current density can be made uniform, and the ability of the electrolytic unit 11 to generate an electrolytic product can be stabilized.
- the configuration in which the positioning convex portion of the housing is inserted into the positioning concave portion to position the positioning member with respect to the housing has been described as an example, but the present invention is not limited to this.
- a plurality of convex portions may be provided on the outer surface of the positioning member, and the convex portions may be brought into contact with the inner surface of the housing for positioning.
- the outer surface of the positioning member may be directly brought into contact with the inner surface of the housing to position the positioning member.
- the positioning member has been described with an example of being composed of an elastic body, but the present invention is not limited to this.
- the laminated body may be positioned by using a positioning member formed separately from the elastic body.
- the shape of the first protrusion has been described as an example of a columnar shape, but the present invention is not limited to this.
- it may have any shape such as a rectangular prism.
- the shape of the second protrusion is not limited to a rectangular shape, and may be any shape such as a columnar shape.
- the shape of the electrode has been described as an example of a rectangular polygonal shape, but the present invention is not limited to this.
- any shape such as a circular shape may be used.
- the polygonal shape of the electrode is not limited to a quadrangular shape, and may be any shape as long as it has a triangular shape or more, such as a pentagonal shape.
- the present disclosure is applicable to an electrolytic liquid generator capable of downsizing the laminate and increasing the concentration of the electrolytic product in the electrolyzed liquid.
- this disclosure can be applied to water treatment equipment such as water purification equipment, washing machines, dishwashers, warm water washing toilet seats, refrigerators, hot water supply and water supply equipment, sterilization equipment, medical equipment, air conditioning equipment, kitchen equipment, etc. Is.
- Electrolytic liquid generator 3 Cathode (electrode) 3a, 29a Spring part 3b, 29b Feeding shaft 3c Cathode side hole 3d, 5a, 7b, 29c Side surface 5 Anode (electrode) 7 Conductive film 7a Conductive film side hole 9 Laminated body 11
- Electrolyzer 13 Housing 15 Inflow port 15a Hole 17 Outlet 19 Flow path 21, 23 Interface 25 Groove 27 Positioning member (elastic body) 29 Feeding body 31 Space part 33 Protrusion part 35, 37 Avoidance part 39 First protrusion 41 Second protrusion 43 Third protrusion 45 Induction part 47 Gap 49
- Electrode case 51 Electrode case lid 53 Bottom wall 53a, 55a Inner surface 55 Peripheral wall 57 Flange 59 Storage recess 61 Through hole 63 Fitting convex 65 Protrusion 67 O-ring 69 Washer 71 Spring washer 73 Hexagon nut 75 Lid body 77 Flow convex 79 Fitting recess 81 Groove
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Abstract
Description
以下、本開示の実施の形態1の電解液体生成装置1について、図1から図10を用いて、説明する。
以下、本開示の実施の形態2の電解液体生成装置101について、図11を用いて、説明する。
以下、本開示の実施の形態3の電解液体生成装置201について、図12を用いて、説明する。
3 陰極(電極)
3a,29a バネ部
3b,29b 給電シャフト
3c 陰極側孔
3d,5a,7b,29c 側面
5 陽極(電極)
7 導電性膜
7a 導電性膜側孔
9 積層体
11 電解部
13 ハウジング
15 流入口
15a 孔
17 流出口
19 流路
21,23 界面
25 溝部
27 位置決め部材(弾性体)
29 給電体
31 空間部
33 突起部
35,37 回避部
39 第1突起部
41 第2突起部
43 第3突起部
45 誘導部
47 隙間部
49 電極ケース
51 電極ケース蓋
53 底壁部
53a,55a 内面
55 周壁部
57 フランジ部
59 収容凹部
61 貫通孔
63 嵌合凸部
65 突起
67 Oリング
69 ワッシャ
71 バネ座金
73 六角ナット
75 蓋部本体
77 流路凸部
79 嵌合凹部
81 溝
83 流路溝
83a 円柱状の突起部
85 位置決め凹部
87 位置決め凸部
X 通液方向
Y 幅方向
Z 積層方向
Claims (18)
- 互いに隣り合う電極を構成する陰極および陽極との間に、導電性膜が介在するように積層された積層体と、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、
前記ハウジングは、
前記電解部に供給される液体が流入する流入口と、
前記電解部で生成される電解液体が流出する流出口と、
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ように形成される流路と、を有し、
前記電解部は、前記流路に開口し、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ように形成される溝部を備え、
前記ハウジングの内部には、前記ハウジングに対して位置決めされた位置決め部材が配置され、
前記位置決め部材は、前記陰極および前記陽極のうち、少なくともいずれか一方の電極を位置決めするように構成される、
電解液体生成装置。 - 前記積層体は、前記電極と接触する給電体を有し、
前記給電体は、前記位置決め部材によって位置決めされる、
請求項1に記載の電解液体生成装置。 - 前記陰極および前記陽極のうち、少なくともいずれか一方の外周部と、前記ハウジングの内面との間に形成される、液体の滞留を抑制する空間部を有する、
請求項1または請求項2のいずれか1項に記載の電解液体生成装置。 - 前記給電体は、前記通液方向と交差する方向の幅が、前記給電体と接触する前記電極と、実質的に同一である、
請求項2に記載の電解液体生成装置。 - 前記位置決め部材は、前記積層方向に向けて突設され、前記陰極および前記陽極のうち、少なくともいずれか一方の前記電極を位置決めする突起部を備え、
前記給電体は、前記積層方向に対して、前記突起部との接触を回避する回避部を有する、
請求項2に記載の電解液体生成装置。 - 前記回避部は、前記突起部が前記積層方向に挿通される穴形状で形成される、
請求項5に記載の電解液体生成装置。 - 前記導電性膜は、前記位置決め部材によって位置決めされる、
請求項1から請求項6のいずれか1項に記載の電解液体生成装置。 - 前記位置決め部材は、前記陰極および前記陽極を位置決めする、
請求項1から請求項7のいずれか1項に記載の電解液体生成装置。 - 前記ハウジングは、内部に、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触する弾性体が配置され、
前記位置決め部材は、前記弾性体である、
請求項1から請求項8のいずれか1項に記載の電解液体生成装置。 - 前記位置決め部材は、前記積層方向に向けて突設され、前記陰極および前記陽極のうち、少なくともいずれか一方の前記電極を前記通液方向と平行な平面方向に対して位置決めする複数の突起部を備える、
請求項1から請求項9のいずれか1項に記載の電解液体生成装置。 - 前記複数の突起部は、前記陰極および前記陽極のうち、少なくともいずれか一方の前記電極を、前記通液方向と交差する方向に対して位置決めする、第1突起部を有する、
請求項10に記載の電解液体生成装置。 - 前記第1突起部は、円柱形状である、
請求項11に記載の電解液体生成装置。 - 前記複数の突起部は、前記陰極および前記陽極のうち、少なくともいずれか一方の前記電極を、前記通液方向に対して位置決めする、第2突起部を有する、
請求項10から請求項12のいずれか1項に記載の電解液体生成装置。 - 前記第2突起部は、長方形状である、
請求項13に記載の電解液体生成装置。 - 前記陰極および前記陽極のうち、少なくともいずれか一方の前記電極は、多角形状に形成され、
前記複数の突起部は、前記陰極および前記陽極のうち、少なくともいずれか一方の前記電極の角部の近傍に配置される、第3突起部を有する、
請求項10から請求項14のいずれか1項に記載の電解液体生成装置。 - 前記複数の突起部は、前記陰極および前記陽極のうち、少なくともいずれか一方の前記電極を組付位置に導く誘導部を有する、
請求項10から請求項15のいずれか1項に記載の電解液体生成装置。 - 前記位置決め部材は、前記複数の突起部と外縁部との間に形成される隙間部を有する、
請求項10から請求項16のいずれか1項に記載の電解液体生成装置。 - 前記複数の突起部は、前記積層方向の高さが、前記複数の突起部と隣接する前記電極の厚みと、実質的に同一である、
請求項10から請求項17のいずれか1項に記載の電解液体生成装置。
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| US17/789,925 US12385148B2 (en) | 2020-02-14 | 2020-11-10 | Electrolytic solution generation device |
| CN202080095431.4A CN115052842B9 (zh) | 2020-02-14 | 2020-11-10 | 电解液体生成装置 |
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| JP2024176532A (ja) * | 2023-06-08 | 2024-12-19 | パナソニックIpマネジメント株式会社 | 電解液体生成装置 |
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| EP4105364A4 (en) | 2024-12-11 |
| JP7228847B2 (ja) | 2023-02-27 |
| US20250283233A1 (en) | 2025-09-11 |
| KR20220141789A (ko) | 2022-10-20 |
| US12385148B2 (en) | 2025-08-12 |
| US20220396506A1 (en) | 2022-12-15 |
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