WO2017006911A1 - Cuve d'électrolyse, et dispositif de génération d'eau électrolysée - Google Patents

Cuve d'électrolyse, et dispositif de génération d'eau électrolysée Download PDF

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Publication number
WO2017006911A1
WO2017006911A1 PCT/JP2016/069788 JP2016069788W WO2017006911A1 WO 2017006911 A1 WO2017006911 A1 WO 2017006911A1 JP 2016069788 W JP2016069788 W JP 2016069788W WO 2017006911 A1 WO2017006911 A1 WO 2017006911A1
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WO
WIPO (PCT)
Prior art keywords
electrolytic cell
case piece
rib
reinforcing member
chamber
Prior art date
Application number
PCT/JP2016/069788
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English (en)
Japanese (ja)
Inventor
孝士 橘
Original Assignee
株式会社日本トリム
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Filing date
Publication date
Application filed by 株式会社日本トリム filed Critical 株式会社日本トリム
Priority to KR1020177030810A priority Critical patent/KR102567678B1/ko
Priority to CN201680020679.8A priority patent/CN107531517B/zh
Publication of WO2017006911A1 publication Critical patent/WO2017006911A1/fr

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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
    • C02F1/4676—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction by electroreduction
    • 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
    • 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
    • C25B1/02—Hydrogen or oxygen
    • C25B1/04—Hydrogen or oxygen by electrolysis of water
    • 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
    • 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
    • C25B9/70—Assemblies comprising two or more cells
    • C25B9/73—Assemblies comprising two or more cells of the filter-press type
    • 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
    • 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
    • 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 invention relates to an electrolytic cell that electrolyzes water to generate electrolytic hydrogen water, and an electrolyzed water generating apparatus including the same.
  • an electrolyzed water generating apparatus that includes an electrolyzer having an anode chamber and a cathode chamber partitioned by a diaphragm, and electrolyzes raw water such as tap water introduced into the electrolyzer to generate electrolyzed hydrogen water. It is known (see, for example, Patent Document 1).
  • Electrolytic hydrogen water generated in the cathode chamber of the electrolyzed water generator is expected to exhibit an excellent effect in improving gastrointestinal symptoms.
  • electrolytic hydrogen water in which hydrogen gas generated in the cathode chamber by the electrolysis is dissolved has been attracting attention as being suitable for removal of active oxygen.
  • the first convex portion disposed on the inner surface of the first case piece of the electrolytic cell is in contact with the anode feeder, and is disposed on the inner surface of the second case piece.
  • the second convex portion thus brought into contact with the cathode power supply body.
  • the first convex portion and the second convex portion sandwich the laminate composed of the anode power feeder, the diaphragm, and the cathode power feeder.
  • the first case piece and the second case piece are expanded outward, that is, in a direction away from the diaphragm due to the water pressure in the electrolytic chamber.
  • Such expansion of the first case piece and the second case piece causes a decrease in the contact pressure between the first convex portion and the anode feeder and the contact pressure between the second convex portion and the cathode feeder, It acts so that the contact pressure with each power feeding body decreases. Therefore, as the contact resistance between the diaphragm and each power feeding body increases, the electrolysis current decreases, so that the generation efficiency of hydrogen gas may not be sufficiently increased.
  • the present invention has been devised in view of the above-described circumstances, and by suppressing the expansion of the electrolytic cell, it is possible to suppress the reduction of the electrolysis current and easily increase the generation efficiency of hydrogen gas.
  • the main purpose is to provide a tank and an electrolyzed water generator.
  • an electrolysis chamber to which water to be electrolyzed is supplied, and the anode power supply body and the cathode power supply body arranged to face each other in the electrolysis chamber, the anode power supply body, and the An electrolytic cell sandwiched between a cathode feeder and a diaphragm that divides the electrolysis chamber into an anode chamber on the anode feeder side and a cathode chamber on the cathode feeder side;
  • the first case piece and the second case piece on the cathode power supply side are fixed to form the electrolysis chamber, and the anode power supply body is formed on the inner surface of the first case piece facing the electrolysis chamber side.
  • a plurality of first convex portions that are in contact with the cathode power supply body are disposed on the inner surface of the second case piece facing the electrolysis chamber,
  • the outer surface of the first case piece is a first member that reinforces the first case piece.
  • Strong member is mounted on the outer surface of the second casing piece, characterized in that the second reinforcing member for reinforcing the second case piece is attached.
  • the first reinforcing member includes a first base portion formed along an outer surface of the first case piece, and a first standing portion formed upright from the first base portion.
  • the second reinforcing member preferably includes a second base portion formed along an outer surface of the second case piece and a second upright portion formed upright from the second base portion.
  • the first case piece has a first rib protruding outward from the outer wall surface of the electrolysis chamber
  • the second case piece has an outer wall surface of the electrolysis chamber. It is desirable that a second rib protruding outward is formed.
  • a tip portion of the first rib is in contact with the first base portion, and a tip portion of the second rib is in contact with the second base portion.
  • the first standing part protrudes from the first base toward the inner direction of the electrolytic cell, and the second standing part extends from the second base to the inner direction of the electrolytic cell. It is desirable to protrude toward
  • a side surface of the first rib is in contact with the first upright portion, and a side surface of the second rib is in contact with the second upright portion.
  • the first standing part protrudes from the first base toward the outside of the electrolytic cell, and the second standing part extends from the second base to the outside of the electrolytic cell. It is desirable to protrude toward
  • the first rib includes a first horizontal rib extending in a horizontal direction perpendicular to a vertical direction along a flow of water in the electrolytic chamber, and the second rib is It is desirable to include a second transverse rib extending along the transverse direction.
  • a plurality of the first lateral ribs and the second lateral ribs are respectively formed, and the first case pieces bulge outward from the outer wall surface and are adjacent to each other.
  • a first raised portion that connects between the lateral ribs is formed, and a second raised portion that protrudes outward from the outer wall surface and connects between the adjacent second lateral ribs is formed on the second case piece. It is desirable.
  • the first rib includes a first edge rib extending along an edge of the outer wall surface of the first case piece, and the second rib is the second case piece. It is desirable to include a second edge rib extending along the edge of the outer wall surface.
  • both ends of the first lateral rib are connected to the first edge rib and both ends of the second lateral rib are connected to the second edge rib.
  • the first upright portion includes a first horizontal upright portion extending in a horizontal direction perpendicular to a vertical direction along a flow of water in the electrolytic chamber, and the second upright portion. It is desirable to include a second lateral upright portion extending along the lateral direction.
  • the first standing part includes a first edge rising part extending along an edge of the first reinforcing member, and the second standing part is formed of the second reinforcing member. It is desirable to include a second edge upright that extends along the edge.
  • the first reinforcing member and the second reinforcing member are made of sheet metal.
  • the second invention of the present invention is an electrolyzed water generating device characterized by comprising the electrolytic cell.
  • a first reinforcing member that reinforces the first case piece is mounted on the outer surface of the first case piece, and the second case piece is reinforced on the outer surface of the second case piece.
  • a second reinforcing member is mounted.
  • a sufficient electrolysis current can be easily obtained without excessively increasing the electrolysis voltage applied to each power feeding body. Gas generation efficiency can be easily increased.
  • FIG. 1 shows the structure of the 1st case piece of FIG.
  • FIG. 2nd case piece of FIG. shows the structure of the 1st reinforcement member of FIG.
  • FIG. 2nd reinforcement member of FIG. It is sectional drawing of the electrolytic cell of FIG. It is sectional drawing which shows the modification of an electrolytic vessel. It is sectional drawing which shows another modification of an electrolytic vessel. It is sectional drawing which shows another modification of an electrolytic vessel. It is sectional drawing which shows another modification of an electrolytic vessel. It is sectional drawing which shows another modification of an electrolytic vessel. It is sectional drawing which shows another modification of an electrolytic vessel.
  • FIG. 1 shows a schematic configuration of an electrolyzed water generating apparatus 1 of the present embodiment.
  • the electrolyzed water generating apparatus 1 can be used for generating water for domestic beverages and cooking and for generating dialysate for hemodialysis.
  • the electrolyzed water generating apparatus 1 includes an electrolysis tank 4 in which an electrolysis chamber 40 to which water to be electrolyzed is supplied, and an anode power supply 41 and a cathode power supply 42 that are disposed to face each other in the electrolysis chamber 40. And a diaphragm 43 disposed between the anode power supply 41 and the cathode power supply 42.
  • Another electrolytic cell may be provided upstream or downstream of the electrolytic cell 4. Further, another electrolytic cell may be provided in parallel with the electrolytic cell 4. A configuration equivalent to that of the electrolytic cell 4 can also be applied to the electrolytic cell provided separately.
  • the diaphragm 43 divides the electrolysis chamber 40 into an anode chamber 40A on the anode feeder 41 side and a cathode chamber 40B on the cathode feeder 42 side. Water is supplied to both the anode chamber 40 ⁇ / b> A and the cathode chamber 40 ⁇ / b> B of the electrolysis chamber 40, and a DC voltage is applied to the anode power supply 41 and the cathode power supply 42, whereby water is electrolyzed in the electrolysis chamber 40.
  • the diaphragm 43 allows ions generated by electrolysis to pass therethrough, and the anode feeder 41 and the cathode feeder 42 are electrically connected through the diaphragm 43.
  • a solid polymer material made of a fluorine-based resin material having a sulfonic acid group is used for the diaphragm 43.
  • electrolytic cell 4 having the diaphragm 43 using a solid polymer material
  • neutral electrolytic hydrogen water and electrolytic oxygen water are generated.
  • electrolytic hydrogen water in which hydrogen gas is dissolved is obtained in the cathode chamber 40B
  • electrolytic oxygen water in which oxygen gas is dissolved is obtained in the anode chamber 40A.
  • the electrolyzed water generating apparatus 1 further includes a control means 6 for controlling the electrolyzer 4, a water inlet 7 provided on the upstream side of the electrolyzer 4, and a water outlet 8 provided on the downstream side of the electrolyzer 4. ing.
  • the control means 6 includes, for example, a CPU (Central Processing Unit) that executes various arithmetic processes and information processing, a program that controls the operation of the CPU, and a memory that stores various information.
  • a CPU Central Processing Unit
  • a program that controls the operation of the CPU
  • a memory that stores various information.
  • Current detection means 44 is provided on the current supply line between the anode power supply 41 and the control means 6.
  • the current detection unit 44 may be provided in a current supply line between the cathode power supply 42 and the control unit 6.
  • the current detection unit 44 detects the electrolysis current I supplied to the power feeding bodies 41 and 42 and outputs a signal corresponding to the value to the control unit 6.
  • the control means 6 performs feedback control of the voltage applied between the anode power supply 41 and the cathode power supply 42 based on the signal input from the current detection means 44. For example, when the electrolysis current is excessive, the control unit 6 decreases the voltage, and when the electrolysis current is excessive, the control unit 6 increases the voltage. Thereby, the electrolysis current I supplied to the power feeders 41 and 42 can be appropriately controlled.
  • the water inlet 7 has a water supply pipe 71, a flow rate sensor 72, a branching portion 73, a flow rate adjustment valve 74, and the like.
  • the water supply pipe 71 is connected to, for example, a water purification cartridge (not shown), and guides water supplied with water purified by the water purification cartridge to the electrolysis chamber 40.
  • the flow rate sensor 72 is provided in the water supply pipe 71. The flow rate sensor 72 periodically detects the flow rate per unit time of water supplied to the electrolysis chamber 40 (hereinafter sometimes simply referred to as “flow rate”) F, and outputs a signal corresponding to the value F to the control means 6. Output to.
  • the branch part 73 branches the water supply pipe 71 into two directions of the water supply pipes 71a and 71b.
  • the flow rate adjusting valve 74 connects the water supply pipes 71a and 71b to the anode chamber 40A or the cathode chamber 40B.
  • the flow rate of water supplied to the anode chamber 40A and the cathode chamber 40B is adjusted by the flow rate adjusting valve 74 under the control of the control means 6.
  • the flow rate adjusting valve 74 adjusts the flow rate of water supplied to the anode chamber 40A and the cathode chamber 40B in order to increase the use efficiency of water. This may cause a pressure difference between the anode chamber 40A and the cathode chamber 40B.
  • the flow rate sensor 72 is provided on the upstream side of the branching portion 73, the sum of the flow rate of water supplied to the anode chamber 40A and the flow rate of water supplied to the cathode chamber 40B, that is, A flow rate F of water supplied to the electrolysis chamber 40 is detected.
  • the water outlet 8 includes a flow path switching valve 81, a water discharge pipe 82, a drain pipe 83, and the like.
  • the flow path switching valve 81 selectively connects the anode chamber 40A and the cathode chamber 40B to the water discharge pipe 82 or the drain pipe 83.
  • the electrolyzed hydrogen water generated in the cathode chamber 40B dilutes the reverse osmosis membrane module for filtration and the dialysate stock solution through the water discharge pipe 82. Supplied to a dilution device or the like.
  • the control means 6 controls the polarity of the DC voltage applied to the anode power supply 41 and the cathode power supply 42.
  • the control means 6 integrates the flow rate F of water supplied to the electrolysis chamber 40 based on a signal input from the flow sensor 72, and when it reaches a predetermined integrated value, the anode power supply 41 and the cathode power supply 42.
  • the polarity of the DC voltage applied to is switched.
  • the control means 6 operates the flow rate adjustment valve 74 and the flow path switching valve 81 in synchronization. Thereby, the cathode chamber 40B and the water discharge pipe 82 are always connected, and the electrolytic hydrogen water generated in the cathode chamber 40B is discharged from the water discharge pipe 82.
  • FIG. 2 is a perspective view before the electrolytic cell 4 is assembled.
  • the electrolytic cell 4 includes a first case piece 50 on the anode power supply body 41 side, a second case piece 60 on the cathode power supply body 42 side, a first reinforcing member 110 attached to the outer surface of the first case piece 50, The second reinforcing member 120 is mounted on the outer surface of the two case pieces 60.
  • the first case piece 50 and the second case piece 60 arranged to face each other are fixed to each other, so that the electrolysis chamber 40 (see FIG. 1) is formed therein.
  • the electrolytic cell 4 accommodates a laminated body 45 in which an anode power supply 41, a diaphragm 43 and a cathode power supply 42 are stacked in an electrolysis chamber 40.
  • the anode power supply body 41 and the cathode power supply body 42 are configured such that water can travel in the thickness direction.
  • a net-like metal such as an expanded metal can be applied.
  • Such a net-like anode power supply 41 and cathode power supply 42 can distribute water to the surface of the diaphragm 43 while sandwiching the diaphragm 43, and promote electrolysis in the electrolytic chamber 40.
  • a platinum plating layer is formed on the surface of a titanium expanded metal is applied as the anode power supply body 41 and the cathode power supply body 42. The platinum plating layer prevents the oxidation of titanium.
  • the anode power supply body 41 is provided with a terminal 41 a that penetrates the first case piece 50 and protrudes outside the electrolytic cell 4.
  • a terminal 41f is attached to the terminal 41a via a sealing member 41b, a bush 41c, and nuts 41d and 41e.
  • the cathode power supply 42 is also provided with a terminal 42 a that penetrates the second case piece 60 and protrudes outside the electrolytic cell 4.
  • a terminal 42f is attached to the terminal 42a via a sealing member 42b, a bush 42c, and nuts 42d and 42e.
  • the terminals 41f and 42f are connected to the control means 6 shown in FIG.
  • a DC voltage is applied to the anode power supply 41 and the cathode power supply 42 via the terminals 41a, 42a and 41f, 42f.
  • the electrolytic cell 4 having the diaphragm 43 using a solid polymer material neutral electrolyzed water is generated.
  • plating layers 43a made of platinum are formed on both surfaces of the diaphragm 43.
  • the plating layer 43a, the anode power supply 41, and the cathode power supply 42 are in contact with each other and are electrically connected.
  • the diaphragm 43 is sandwiched between the anode power supply 41 and the cathode power supply 42 in the electrolysis chamber 40. Therefore, the shape of the diaphragm 43 is held by the anode power supply 41 and the cathode power supply 42. According to such a structure for holding the diaphragm 43, most of the stress caused by the pressure difference generated between the anode chamber 40A and the cathode chamber 40B is borne by the anode feeder 41 and the cathode feeder 42. The stress on 43 decreases.
  • the diaphragm 43 is sandwiched between the anode power feeding body 41 and the cathode power feeding body 42, the contact between the plating layer 43 a and the anode power feeding body 41 of the diaphragm 43 and between the plating layer 43 a and the cathode power feeding body 42.
  • the resistance is reduced and the voltage drop is suppressed.
  • electrolysis in the electrolysis chamber 40 is promoted by a sufficient electrolysis current I, and electrolytic hydrogen water having a high dissolved hydrogen concentration can be generated.
  • the outer sides of the outer periphery of the anode power supply 41 and the cathode power supply 42 are sealed to prevent water leakage from the mating surfaces of the first case piece 50 and the second case piece 60.
  • a stop member 46 is provided. The outer peripheral portion of the diaphragm 43 is sandwiched by the sealing member 46.
  • the case pieces 50 and 60 are made of a resin such as ABS (acrylonitrile butadiene styrene) or PPS (polyphenylene sulfide).
  • Each case piece 50 and 60 is formed in a rectangular shape that is long in the vertical direction V along the flow of water in the electrolysis chamber 40.
  • the electrolytic chamber 40 is formed in a rectangular shape that is long in the vertical direction V.
  • Such a vertically long electrolytic chamber 40 makes the flow path in the electrolytic cell 4 long.
  • the hydrogen gas generated in the cathode chamber 40B is easily dissolved in the water in the cathode chamber 40B, and the dissolved hydrogen concentration can be increased.
  • FIG. 3A is a perspective view of the first case piece 50 viewed from the inner surface facing the electrolysis chamber 40 side
  • FIG. 3B is a perspective view of the first case piece 50 viewed from the outer surface side.
  • 4A is a perspective view of the second case piece 60 viewed from the inner surface facing the electrolysis chamber 40 side
  • FIG. 4B is a perspective view of the second case piece 60 viewed from the outer surface side.
  • a mating surface 51 for fixing the first case piece 50 and the second case piece 60 to the outer edges of the inner surfaces of the first case piece 50 and the second case piece 60, 61 is formed. Inside the mating surfaces 51, 61, the inner walls are recessed from the mating surfaces 51, 61 in the thickness direction of the first case piece 50 and the second case piece 60, so that the electrolysis parts 52, 62 are provided.
  • the electrolysis unit 52 configures the anode chamber 40A
  • the electrolysis unit 62 configures the cathode chamber 40B.
  • a plurality of first convex portions 53 are disposed on the inner surface of the first case piece 50. Each first convex portion 53 is arranged side by side in the horizontal direction H perpendicular to the vertical direction V, with the electrolysis portion 52 extending in the vertical direction V.
  • a plurality of second convex portions 63 are arranged on the inner surface of the second case piece 60. Each of the second convex portions 63 is arranged side by side in the horizontal direction H with the electrolysis portion 62 extending in the vertical direction V.
  • Such first convex portion 53 and second convex portion 63 do not hinder the movement of water flowing in the vertical direction V in the electrolysis chamber 40.
  • Each first convex portion 53 is in contact with the anode power feeding body 41 in the anode chamber 40A, and presses the anode power feeding body 41 toward the second case piece 60 side.
  • the shape and arrangement of the first convex portion 53 and the second convex portion 63 are arbitrary.
  • first convex portions 53 and the second convex portions 63 are alternately arranged in the lateral direction of the electrolysis chamber with the laminate interposed therebetween as shown in FIG.
  • they may be arranged so as to face each other with the laminate interposed therebetween.
  • the 1st convex-shaped part 53 and the 2nd convex-shaped part 63 may be the form provided discretely in the vertical direction, as FIG. 9 and 10 of the said patent document 1 shows.
  • the first reinforcing member 110 and the second reinforcing member 120 are attached to the outer surfaces of the case pieces 50 and 60.
  • the 1st reinforcement member 110 and the 2nd reinforcement member 120 are comprised by carrying out sheet metal processing of metals, such as stainless steel, for example.
  • the first reinforcing member 110 and the second reinforcing member 120 are fixed to the first case piece 50 and the second case piece 60 via screws 95 or the like.
  • a female screw 119 corresponding to the screw 95 is formed in the first reinforcing member 110.
  • the first reinforcing member 110 reinforces the first case piece 50.
  • the second reinforcing member 120 reinforces the second case piece 60. Since the first reinforcing member 110 and the second reinforcing member 120 suppress the deformation of the first case piece 50 and the second case piece 60, that is, the expansion of the electrolytic cell 4, the contact between the diaphragm 43 and the power feeding bodies 41 and 42. The pressure is sufficiently secured, and the contact resistance between the diaphragm 43 and each of the power feeding bodies 41 and 42 is reduced. Accordingly, a sufficient electrolysis current I can be easily obtained without excessively increasing the electrolysis voltage applied to each of the power supply bodies 41 and 42, and the generation efficiency of hydrogen gas can be easily increased.
  • the electrolytic cell 4 is provided with L-shaped joints 91, 92, 93, 94.
  • the joints 91 and 92 are attached to the lower part of the first case piece 50 and the second case piece 60 and connected to the flow rate adjusting valve 74.
  • the joints 93 and 94 are attached to the upper portions of the first case piece 50 and the second case piece 60 and connected to the flow path switching valve 81.
  • the hydrogen gas generated in the cathode chamber 40B moves as a minute bubble above the cathode chamber 40B.
  • the movement direction of hydrogen gas and the direction in which water flows generally coincide with each other, so that hydrogen molecules easily dissolve in water and the dissolved hydrogen concentration is increased.
  • FIG. 5A is a perspective view of the first reinforcing member 110 viewed from the inner surface side facing the first case piece 50 side
  • FIG. 5B is a perspective view of the first reinforcing member 110 viewed from the outer surface side
  • FIG. 6A is a perspective view of the second reinforcing member 120 viewed from the inner surface side facing the second case piece 60 side
  • FIG. 6B is a second reinforcing member 120 viewed from the outer surface side.
  • the first reinforcing member 110 includes a first base 111 formed along the outer surface of the first case piece 50, and a first upright formed from the first base 111. Part 112. Since the rigidity of the 1st reinforcement member 110 is improved by the 1st standing part 112, the expansion
  • the second reinforcing member 120 includes a second base portion 121 formed along the outer surface of the second case piece 60 and a second upright portion 122 formed upright from the second base portion 121. Since the rigidity of the 2nd reinforcement member 120 is improved by the 2nd standing part 122, the expansion
  • the first upright portion 112 includes a first horizontal upright portion 113 extending along a horizontal direction H perpendicular to the vertical direction V, and a first end edge upright portion 114 extending along an edge of the first reinforcing member 110.
  • the second upright portion 122 includes a second horizontal upright portion 123 extending along the horizontal direction H perpendicular to the vertical direction V, and a second end edge upright portion 124 extending along the edge of the second reinforcing member 120. Including.
  • Such first reinforcing member 110 and second reinforcing member 120 can be easily formed by press-molding a metal plate.
  • the first lateral upright portion 113 is formed by partially raising the first base portion 111. Accordingly, a through hole 115 is opened in the first base 111.
  • a plurality of first lateral upright portions 113 and through holes 115 are arranged in the vertical direction V.
  • a pair of first lateral upright portions 113 are formed at both ends in the vertical direction V of the through hole 115.
  • the second lateral upright portion 123 is formed by partially raising the second base portion 121. Accordingly, a through hole 125 is opened in the second base 121. The arrangement of the second laterally rising portion 123 and the through hole 125 is the same as that of the first laterally rising portion 113 and the through hole 115.
  • the first reinforcing member 110 is preferably formed with a first lateral upright portion 113 and a first end edge upright portion 114. Of the first lateral upright portion 113 and the first end edge upright portion 114, At least one of them may be formed.
  • the first lateral upright portion 113 increases the bending rigidity of the first reinforcing member 110 in the lateral direction H, that is, the lateral direction, and further suppresses the expansion of the electrolytic cell 4.
  • the first edge rising portion 114 the bending rigidity in the vicinity of the edge of the first reinforcing member 110 is increased, and the expansion of the electrolytic cell 4 is further suppressed.
  • the first lateral upright portion 113 and the first edge upright portion 114 are the same applies to the first lateral upright portion 113 and the first edge upright portion 114.
  • the first reinforcing member 110 may be formed with a first vertical rising part extending in the vertical direction V instead of the first horizontal rising part 113.
  • the bending rigidity in the longitudinal direction V that is, the longitudinal direction of the first reinforcing member 110 is increased, and the expansion of the electrolytic cell 4 can be suppressed.
  • a second vertical upright portion extending along the vertical direction V may be formed in the second reinforcing member 120.
  • first ribs 54 are formed in the first case piece 50.
  • the first rib 54 protrudes outward from the electrolytic cell 4 from the outer wall surface 50 a of the first case piece 50 of the electrolysis chamber 40.
  • the first rib 54 increases the rigidity of the first case piece 50, further suppresses the expansion of the electrolytic cell 4, and further improves the generation efficiency of hydrogen gas.
  • the first rib 54 includes a first horizontal rib 55 extending along the horizontal direction H, and a first edge rib 56 extending along the edge of the outer wall surface 50 a of the first case piece 50.
  • the first case piece 50 is preferably formed with a first lateral rib 55 and a first edge rib 56, but one of the first lateral rib 55 and the first edge rib 56 is used. May be formed.
  • the first lateral rib 55 increases the bending rigidity in the lateral direction H of the first case piece 50, that is, the lateral direction, and the expansion of the electrolytic cell 4 is further suppressed.
  • the first end rib 56 increases the bending rigidity in the vicinity of the end edge of the first case piece 50, and the expansion of the electrolytic cell 4 is further suppressed.
  • the plurality of first horizontal ribs 55 are arranged in the vertical direction V. Between the adjacent first horizontal ribs 55, a first raised portion 57 is formed that rises from the outer wall surface 50 a of the first case piece 50.
  • the 1st protruding part 57 connects between the adjacent 1st horizontal ribs 55, and raises the rigidity of the 1st case piece 50 further.
  • the first raised portion 57 may be connected to the first end edge rib 56.
  • the first raised portion 57 is formed at a location corresponding to the groove portion formed on the inner surface side of the first case piece 50 in order to accommodate the sealing member 46.
  • the first raised portions 57 are provided at both ends in the lateral direction of the first lateral rib 55.
  • the first raised portion 57 may be provided in the central portion in the lateral direction of the first lateral rib 55. In this case, the rigidity of the central portion in the lateral direction of the first case piece 50 can be effectively increased.
  • Both ends in the lateral direction of the first lateral rib 55 are connected to the first edge rib 56.
  • the closed cross section which continues by the 1st horizontal rib 55 and the 1st edge rib 56 is comprised, and the rigidity of the 1st case piece 50 is improved further.
  • the first vertical rib extending along the vertical direction V may be formed on the outer wall surface 50 a of the first case piece 50 instead of the first horizontal rib 55 or in addition to the first horizontal rib 55.
  • the bending rigidity in the longitudinal direction V that is, the longitudinal direction of the first case piece 50 is increased, and the expansion of the electrolytic cell 4 can be suppressed.
  • second ribs 64 are formed on the second case piece 60.
  • the second rib 64 protrudes outward from the electrolytic cell 4 from the outer wall surface 60 a of the second case piece 60 of the electrolysis chamber 40.
  • the second rib 64 enhances the rigidity of the second case piece 60 and further suppresses the expansion of the electrolytic cell 4, thereby further improving the generation efficiency of hydrogen gas.
  • the second rib 64 includes a second horizontal rib 65 extending along the horizontal direction H and a second end rib 66 extending along the end edge of the outer wall surface 60a of the second case piece 60.
  • the second case piece 60 is preferably formed with a second lateral rib 65 and a second edge rib 66, but one of the second lateral rib 65 and the second edge rib 66 is provided. May be formed.
  • the operational effects of the second lateral rib 65 and the second edge rib 66 are the same as those of the first lateral rib 55 and the first edge rib 56.
  • the plurality of second horizontal ribs 65 are arranged in the vertical direction V. Between the adjacent 2nd horizontal rib 65, the 2nd protruding part 67 which protrudes from the outer wall surface 60a of the 2nd case piece 60 is formed.
  • the second raised portion 67 connects between the adjacent second lateral ribs 65 and further increases the rigidity of the second case piece 60.
  • the configuration and operational effects of the second raised portion 67 are the same as those of the first raised portion 57.
  • Both ends of the second lateral rib 65 in the lateral direction are connected to the second edge rib 66. Accordingly, a continuous closed cross section is constituted by the second lateral rib 65 and the second end edge rib 66, and the rigidity of the second case piece 60 is further enhanced.
  • a second vertical rib extending along the vertical direction V may be formed on the outer wall surface 60a of the second case piece 60.
  • the bending rigidity in the longitudinal direction V that is, the longitudinal direction of the second case piece 60 is increased, and the expansion of the electrolytic cell 4 can be suppressed.
  • FIG. 7 is a cross-sectional view of the electrolytic cell 4 cut in the vertical direction V.
  • FIG. 7 When the first reinforcing member 110 is attached to the first case piece 50, the distal end portion 54 a of the first rib 54 is inscribed in the first base portion 111. As a result, the first reinforcing member 110 and the first case piece 50 are firmly joined together, and a continuous closed cross section is formed by the first rib 54 and the first base 111. The reinforcing effect by the reinforcing member 110 is further enhanced.
  • the tip end portion 64 a of the second rib 64 is inscribed in the second base portion 121.
  • the configuration and operational effects of the tip end portion 64a of the second rib 64 are also the same as those of the tip end portion 54a of the first rib 54.
  • the first standing portion 112 of the first reinforcing member 110 protrudes from the first base 111 toward the inside of the electrolytic cell 4.
  • the first lateral upright portion 113 of the first upright portions 112 is positioned between the adjacent first lateral ribs 55.
  • the first edge rising portion 114 is positioned outside the first edge rib 56.
  • the side surfaces of the first lateral ribs 55 may be configured to contact the first lateral uprights 113. Further, the side surface of the first edge rib 56 may be configured to contact the first edge rising portion 114. Thereby, when the electrolytic cell 4 is expanded, the side surface of the first rib 54 and the first upright portion 112 are integrally deformed to generate a large stress, and the expansion of the electrolytic cell 4 can be suppressed.
  • the side surface of the second lateral rib 65 and the side surface of the second edge rib 66 are the same as the side surface of the first lateral rib 55 and the side surface of the first edge rib 56.
  • the first case piece 50 is formed with a through hole 58 for projecting the terminal 41a to the outside of the first case piece 50.
  • a pair of third ribs 59 are formed on both sides of the through hole 58 in the vertical direction V.
  • the third rib 59 is formed in parallel with the first lateral rib 55.
  • the height of the third rib 59 that is, the protruding amount of the first case piece 50 from the outer wall surface 50a is larger than the height of the first rib 54. For this reason, the front end portion 59 a of the third rib 59 protrudes from the through hole 115 a of the first reinforcing member 110 to the outside of the first reinforcing member 110. Thereby, the contact with the 1st reinforcement member 110 with the terminal 41a, the nut 41e, the terminal 42f, etc. is avoided, and the short circuit among both is prevented.
  • the second case piece 60 is formed with a through hole 68 and a pair of fourth ribs 69.
  • the configuration and operational effects of the through hole 68 and the fourth rib 69 are the same as those of the through hole 58 and the third rib 59.
  • the electrolyzed water generating apparatus 1 includes at least an electrolysis tank 4 in which an electrolysis chamber 40 to which water to be electrolyzed is supplied, an anode feeder 41 disposed opposite to each other in the electrolysis chamber 40, and It is arranged between the cathode power supply body 42, the anode power supply body 41, and the cathode power supply body 42, and divides the electrolysis chamber 40 into an anode chamber 40A on the anode power supply body 41 side and a cathode chamber 40B on the cathode power supply body 42 side.
  • the diaphragm 43 is sandwiched between the anode feeder 41 and the cathode feeder 42, and the electrolytic cell 4 includes a first case piece 50 on the anode feeder 41 side and a second case on the cathode feeder 42 side.
  • the electrolytic chamber 40 is formed by being fixed to the piece 60, and a plurality of first convex portions 53 that are in contact with the anode power feeding body 41 are disposed on the inner surface of the first case piece 50 facing the electrolytic chamber 40 side.
  • the inner surface of the second case piece 60 facing the electrolytic chamber 40 side is shaded.
  • a plurality of second convex portions 63 that are in contact with the power supply body 42 are disposed, and a first reinforcing member 110 that reinforces the first case piece 50 is attached to the outer surface of the first case piece 50, and the second case piece
  • the second reinforcing member 120 that reinforces the second case piece 60 may be attached to the outer surface of 60.
  • the first case piece 50A and the second case piece 60A are applied in combination with the first reinforcing member 110A and the second reinforcing member 120A.
  • the first rib 54 and the second rib 64 are eliminated.
  • the first reinforcing member 110A and the second reinforcing member 120A the first upright portion 112, the through hole 115, the second upright portion 122, and the through hole 125 are eliminated.
  • the first case piece 50 and the second case piece 60A may be applied in combination with the first reinforcing member 110A and the second reinforcing member 120A ( (Not shown).
  • the first case member 50A and the second case member 60A from which the first ribs 54 and the second ribs 64 are eliminated, are the first reinforcing member 110 and the second reinforcing member 120. It is applied in combination with.
  • the first reinforcing member 110 is mounted such that the front end portion of the first lateral upright portion 113 circumscribes the first case piece 50A.
  • the second reinforcing member 120 is mounted such that the distal end portion of the second lateral upright portion 123 circumscribes the second case piece 60A.
  • the first case member 50A and the second case member 60A from which the first ribs 54 and the second ribs 64 are eliminated, are the first reinforcing member 110 and the second reinforcing member 120. It is applied in combination with.
  • the mounting directions of the first reinforcing member 110 and the second reinforcing member 120 are different from those of the electrolytic cell 4B. That is, the first reinforcing member 110 is mounted such that the first base 111 circumscribes the first case piece 50A. Thereby, the 1st horizontal standing part 116 of the 1st reinforcement member 110 protrudes toward the outward direction of the electrolytic cell 4C from the 1st base 111.
  • the second reinforcing member 120 is mounted such that the second base 121 circumscribes the second case piece 60A. Thereby, the 2nd horizontal upright part 126 of the 2nd reinforcement member 120 protrudes toward the outward direction of the electrolytic cell 4C from the 2nd base 121. As shown in FIG.
  • the mounting directions of the first reinforcing member 110 and the second reinforcing member 120 are different from those of the electrolytic cell 4 shown in FIG. That is, the first reinforcing member 110 is mounted in a direction in which the first lateral upright portion 116 protrudes from the first base 111 toward the outside of the electrolytic cell 4D. Similarly, the 2nd reinforcement member 120 is mounted
  • the second moment can be increased.
  • the 2nd reinforcement member 120E in which the 2nd side upright part 123 is formed is applied.
  • the first reinforcing member 110E is mounted so as to circumscribe the first case piece 50.
  • the first reinforcing member 110E is mounted in a direction in which the first lateral upright portion 113 protrudes from the first base 111 toward the inside of the electrolytic cell E.
  • the second reinforcing member 120E is attached so as to circumscribe the second case piece 60.
  • the second reinforcing member 120E is mounted in a direction in which the second laterally rising portion 123 protrudes from the second base 121 toward the inside of the electrolytic cell 4E.
  • the first case piece 50A and the second case piece 60A from which the first ribs 54 and the second ribs 64 are eliminated are the first reinforcing member 110E and the second reinforcing member 120E. It is applied in combination with.
  • the first reinforcing member 110E is mounted so that the first base 111 circumscribes the first case piece 50A. Thereby, the 1st horizontal standing part 116 of the 1st reinforcement member 110E protrudes toward the outward direction of the electrolytic cell 4F from the 1st base 111.
  • the second reinforcing member 120E is mounted such that the second base 121 circumscribes the second case piece 60A. Thereby, the 2nd horizontal standing part 126 of the 2nd reinforcement member 120E protrudes toward the outward direction of the electrolytic cell 4F from the 2nd base 121.
  • the mounting directions of the first reinforcing member 110E and the second reinforcing member 120E are different from those of the electrolytic cell 4E shown in FIG. 9 (b). That is, the first reinforcing member 110E is mounted in a direction in which the first lateral upright portion 116 protrudes from the first base 111 toward the outside of the electrolytic cell 4G. Similarly, the 2nd reinforcement member 120E is mounted
  • the first reinforcing member 110H and the second reinforcing member 120H are applied to the first case piece 50 and the second case piece 60 in combination.
  • the first reinforcing member 110 ⁇ / b> H has a first lateral upright portion 113 formed at one end in the longitudinal direction V of the through-hole 115 and a first lateral upright portion 116 formed at the other end.
  • the first lateral upright portion 113 protrudes from the first base 111 toward the inside of the electrolytic cell 4H
  • the first lateral upright portion 116 protrudes from the first base 111 toward the outside of the electrolytic cell 4H.
  • a second lateral upright portion 123 is formed at one end in the longitudinal direction V of the through hole 125, and a second lateral upright portion 126 is formed at the other end.
  • the second side upright portion 123 protrudes from the second base 121 toward the inside of the electrolytic cell 4H, and the second side upright portion 126 protrudes from the second base 121 toward the outside of the electrolytic cell 4H.
  • the first reinforcing members 110 to 110H formed integrally with the first case piece 50 are mounted, and the second reinforcing members 120 to 120E formed integrally with the second case piece 60 are mounted. Has been.
  • the first reinforcing member 110I divided into a plurality of pieces is attached to the first case piece 50, and the second reinforcing member divided into the plurality of pieces into the second case piece 60. 120I is installed.
  • Each of the first reinforcing member 110I and the second reinforcing member 120I is not limited to a form in which the first reinforcing member 110I and the second reinforcing member 120I are provided over the entire outer surface of the first case piece 50 and the second case piece 60, and is provided only in places where rigidity is insufficient. May be.
  • the design freedom of the 1st base 111 and the 1st standing part 112 of the 1st reinforcement member 110I increases, and it becomes possible to raise the rigidity of the electrolytic cell 4I easily.
  • the characteristics of the electrolytic cells 4A to 4H and the characteristics of the electrolytic cell 4I may be combined. That is, the first reinforcing members 110, 110A, 110E, 110H and the second reinforcing members 120, 120A, 120E, 120H applied to the electrolytic cells 4A to 4H may be divided into a plurality of pieces.
  • the first reinforcing member 110J and the second reinforcing member 120J are applied in combination to the first case piece 50 and the second case piece 60.
  • the electrolytic cell 4J shown in FIG. Compared to the first reinforcing member 110 and the second reinforcing member 120, the first standing member 112 and the second standing member 122 are eliminated in the first reinforcing member 110J and the second reinforcing member 120J.
  • the first reinforcing member 110J has a through hole 115 through which the first rib 54 is inserted into the first base 111.
  • the second reinforcing member 120J has a through hole 125 through which the second rib 64 is inserted into the second base 121.
  • the first reinforcing member 110 ⁇ / b> K has a first upright portion 112 at one end in the longitudinal direction V of the through hole 115.
  • the second reinforcing member 120 ⁇ / b> K has a second upright portion 122 at one end in the longitudinal direction V of the through hole 125.
  • the first reinforcing member 110 ⁇ / b> K has first upright portions 112 at both ends in the longitudinal direction V of the through hole 115.
  • the second reinforcing member 120 ⁇ / b> K has second upright portions 122 at both ends in the vertical direction V of the through hole 125.
  • Electrolytic tank 40 Electrolytic chamber 40A Anode chamber 40B Cathode chamber 41 Anode feeder 42 Cathode feeder 43 Separator 50 First case piece 53 First convex part 54 First rib 60 Second case piece 63 Second Convex part 64 2nd rib 110 1st reinforcement member 111 1st base part 112 1st standing part 120 2nd reinforcement member 121 2nd base part 122 2nd standing part

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

Abstract

Selon l'invention, une cuve d'électrolyse (4) d'un dispositif de génération d'eau électrolysée, est telle qu'une chambre d'électrolyse est formée par fixation d'un premier morceau d'enveloppe (50), et d'un second morceau d'enveloppe (60). Un film de séparation (43) enserre un corps d'alimentation d'anode (41) ainsi qu'un corps d'alimentation de cathode (42) dans la chambre d'électrolyse. Une pluralité de premières parties relief (53) en contact avec le corps d'alimentation d'anode (41), est placée sur une face interne du premier morceau d'enveloppe (50), et une pluralité de secondes parties relief en contact avec le corps d'alimentation de cathode (42), est placée sur une face interne du second morceau d'enveloppe (60). Un premier élément renforcement (110) renforçant le premier morceau d'enveloppe (50), est monté sur une face externe du premier morceau d'enveloppe (50), et un second élément renforcement (120) renforçant le second morceau d'enveloppe (60), est monté sur une face externe du second morceau d'enveloppe (60). Un grossissement de la cuve d'électrolyse (4) est inhibé par le premier élément renforcement (110) et le second élément renforcement (120), et la pression de contact entre le film de séparation (43) et le corps d'alimentation d'anode (41) ainsi que le corps d'alimentation de cathode (42), est augmentée, et leur résistance au contact est réduite.
PCT/JP2016/069788 2015-07-07 2016-07-04 Cuve d'électrolyse, et dispositif de génération d'eau électrolysée WO2017006911A1 (fr)

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KR1020177030810A KR102567678B1 (ko) 2015-07-07 2016-07-04 전해조 및 전해수 생성 장치
CN201680020679.8A CN107531517B (zh) 2015-07-07 2016-07-04 电解槽及电解水生成装置

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JP2015136173A JP6182182B2 (ja) 2015-07-07 2015-07-07 電解槽及び電解水生成装置
JP2015-136173 2015-07-07

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CN108633274A (zh) * 2017-01-18 2018-10-09 日本多宁股份有限公司 电解水生成装置

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JP6434998B2 (ja) * 2017-01-30 2018-12-05 株式会社日本トリム 電解槽
TW202321516A (zh) 2018-05-25 2023-06-01 日商松下知識產權經營股份有限公司 電解水生成系統
JP7022088B2 (ja) * 2019-03-07 2022-02-17 株式会社日本トリム 水素付加装置及び水素付加方法

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JP2000504619A (ja) * 1996-02-09 2000-04-18 グレッグ ウォーター コンディショニング インコーポレイティド 液体脱イオン用モジュール装置
JP2001162279A (ja) * 1999-12-07 2001-06-19 Amano Corp 電解水生成装置用電解槽
JP5639724B1 (ja) * 2014-03-17 2014-12-10 株式会社日本トリム 電解水生成装置及びその製造方法
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CN107531517A (zh) 2018-01-02
CN107531517B (zh) 2021-04-30
JP2017018852A (ja) 2017-01-26
KR102567678B1 (ko) 2023-08-16
KR20180027407A (ko) 2018-03-14

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