WO2017135208A1 - Dispositif de génération d'eau électrolysé et serveur d'eau électrolysée le comprenant - Google Patents

Dispositif de génération d'eau électrolysé et serveur d'eau électrolysée le comprenant Download PDF

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Publication number
WO2017135208A1
WO2017135208A1 PCT/JP2017/003287 JP2017003287W WO2017135208A1 WO 2017135208 A1 WO2017135208 A1 WO 2017135208A1 JP 2017003287 W JP2017003287 W JP 2017003287W WO 2017135208 A1 WO2017135208 A1 WO 2017135208A1
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WIPO (PCT)
Prior art keywords
water
electrolyzed
channel
electrode chamber
chamber
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PCT/JP2017/003287
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English (en)
Japanese (ja)
Inventor
孝士 橘
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株式会社日本トリム
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Publication of WO2017135208A1 publication Critical patent/WO2017135208A1/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
    • 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
    • C25B15/00—Operating or servicing cells
    • C25B15/08—Supplying or removing reactants or electrolytes; Regeneration of electrolytes
    • 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
    • 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 electrolyzed water generating device that provides electrolyzed water generated by electrolysis and an electrolyzed water server including the same.
  • an electrolyzed water generating apparatus that generates electrolyzed water in which hydrogen is dissolved by electrolysis is known (for example, see Patent Document 1).
  • the electrolyzed water generating device disclosed in Patent Document 1 the amount of water supplied to the second electrode chamber is limited to effectively use water.
  • the present invention has been devised in view of the above circumstances, and an electrolyzed water generating apparatus capable of efficiently performing electrolysis in an electrolytic cell and increasing the dissolved hydrogen concentration while achieving effective use of water.
  • the main purpose is to provide an electrolyzed water server equipped with it.
  • the electrolyzed water generating apparatus is divided into a first electrode chamber in which a first power feeding body is disposed and a second electrode chamber in which a second power feeding body is disposed, and water is separated by a diaphragm.
  • An electrolysis chamber that generates electrolyzed water by electrolysis, a first water supply channel that is connected to the first electrode chamber and supplies water to be electrolyzed to the first electrode chamber, and is connected to the first electrode chamber
  • a water level detecting means for detecting a water level in the exhaust channel or the parallel water channel is provided in the exhaust channel or the parallel water channel.
  • the water level detecting means is provided below a location where the parallel water channel communicates with the exhaust channel.
  • a second water supply path for supplying water to be electrolyzed to the second pole chamber and the parallel water channel, and a water supply control for controlling water supply from the second water channel It is desirable to have a valve.
  • An electrolyzed water server is an electrolyzed water server comprising the electrolyzed water generating device according to any one of claims 1 to 5, wherein the electrolyzed water generated in the first electrode chamber is obtained.
  • the tank further includes a storage tank, and a circulation water channel for circulating the electrolytic water between the tank and the electrolysis chamber.
  • the electrolyzed water server according to the present invention may further include a heating unit that heats water in the tank and a hot water channel that supplies the hot water heated by the heating unit to the exhaust channel and the parallel channel. desirable.
  • the electrolyzed water server further includes an exhaust unit that is provided in the exhaust passage and separates and discharges only the gas from the fluid in the exhaust passage.
  • an electrolysis chamber having a diaphragm, a first electrode chamber and a second electrode chamber, a first water supply channel and a water discharge channel connected to the first electrode chamber, and a second An exhaust passage connected to the polar chamber and a parallel water passage are provided.
  • the gas generated by the electrolysis in the first electrode chamber dissolves in the electrolyzed water, and is sent out from the first electrode chamber via the water discharge channel together with the electrolyzed water, and can be used.
  • the gas generated by electrolysis in the second electrode chamber is discharged from the second electrode chamber through the exhaust path.
  • the gas in the second electrode chamber is pushed upward by the pressure of the water filled in the parallel channel that connects the exhaust channel and the lower end of the second electrode chamber, and moves to the exhaust channel.
  • the gas generated in the second electrode is discharged from the second electrode chamber without supplying water to the second electrode chamber during electrolysis. Therefore, sufficient water is supplied to the surface of the second power feeder, and electrolysis in the electrolytic chamber is efficiently performed. Thereby, the utilization efficiency of water is increased to the limit, and the dissolved concentration of gas generated in the first electrode chamber is easily increased.
  • the electrolyzed water server according to the second invention of the present invention it is possible to efficiently increase the dissolved concentration of the gas dissolved in the electrolyzed water stored in the tank while effectively utilizing water.
  • FIG. 6 is a diagram illustrating the operation of each unit and the flow of water in the electrolyzed water generation mode of the hydrogen water server, following FIG. 5.
  • FIG. 7 is a diagram illustrating the operation of each unit and the flow of water in the electrolyzed water generation mode of the hydrogen water server, following FIG. 6. It is a figure which shows the operation
  • FIG. 10 is a diagram illustrating the operation of each unit and the flow of water in the sterilization mode of the hydrogen water server, following FIG. 9.
  • FIG. 1 shows a schematic configuration of an electrolyzed water generating apparatus 1 according to an embodiment of the first invention.
  • the electrolyzed water generating device 1 includes an electrolyzer 4, a first water supply channel 11a, a water discharge channel 12, an exhaust channel 13, and a parallel water channel 14.
  • the electrolytic cell 4 generates electrolytic hydrogen water by electrolyzing the supplied water.
  • the electrolytic cell 4 includes an electrolysis chamber 40, a first power feeding body 41, a second power feeding body 42, and a diaphragm 43.
  • the electrolytic chamber 40 is divided by a diaphragm 43 into a first electrode chamber 40A on the first power feeder 41 side and a second electrode chamber 40B on the second power feeder 42 side.
  • first power supply body 41 and the second power supply body 42 for example, a surface in which a platinum plating layer is formed on a surface of a net-like metal such as an expanded metal made of titanium or the like is applied.
  • a net-like first power supply body 41 and second power supply body 42 can distribute water to the surface of the diaphragm 43 while sandwiching the diaphragm 43, and promote electrolysis in the electrolytic chamber 40.
  • One of the first power supply 41 and the second power supply 42 is applied as an anode power supply, and the other is applied as a cathode power supply. Water is supplied to both the first electrode chamber 40 ⁇ / b> A and the second electrode chamber 40 ⁇ / b> B of the electrolysis chamber 40, and a direct current voltage is applied to the first power supply body 41 and the second power supply body 42. Electrolysis occurs.
  • the diaphragm 43 for example, a solid polymer film made of a fluorine-based resin having a sulfonic acid group is appropriately used. On both surfaces of the diaphragm 43, plating layers made of platinum are formed. The plating layer of the diaphragm 43 is in contact with and electrically connected to the first power feeding body 41 and the second power feeding body 42. The diaphragm 43 allows ions generated by electrolysis to pass through. The first power supply body 41 and the second power supply body 42 are electrically connected via the diaphragm 43.
  • the diaphragm 43 made of a solid polymer material is applied, the dissolved hydrogen concentration can be increased without increasing the pH value of the electrolytic hydrogen water.
  • Such electrolytic hydrogen water is suitable for reducing oxidative stress of patients in dialysis treatment, for example.
  • Electrolysis of water in the electrolysis chamber 40 generates hydrogen gas and oxygen gas.
  • the first power supply 41 is applied as a cathode power supply
  • hydrogen gas is generated in the first electrode chamber 40A
  • electrolytic hydrogen water in which the hydrogen gas is dissolved is generated.
  • the second electrode chamber 40B oxygen gas is generated, and electrolytic oxygen water in which the oxygen gas is dissolved is generated.
  • the first power supply body 41 is applied as an anode power supply body
  • oxygen gas is generated in the first electrode chamber 40A, and electrolytic oxygen water in which the oxygen gas is dissolved is generated.
  • the second electrode chamber 40B hydrogen gas is generated, and electrolytic hydrogen water in which the hydrogen gas is dissolved is generated.
  • the first water supply channel 11a is connected to the first pole chamber 40A.
  • the first water supply channel 11a supplies water to be electrolyzed to the first pole chamber 40A.
  • the drainage channel 12 is connected to the first pole chamber 40A. The drainage channel 12 sends the electrolyzed water electrolyzed in the first electrode chamber 40A from the first electrode chamber 40A.
  • the first water supply channel 11 communicates with the lower end portion of the first pole chamber 40A
  • the water discharge channel 12 communicates with the upper end portion of the first electrode chamber 40A.
  • the exhaust passage 13 extends upward from the upper end of the second electrode chamber 40B.
  • the exhaust path 13 discharges the gas generated by electrolysis in the second electrode chamber 40B from the second electrode chamber 40B.
  • the gas generated by electrolysis in the second electrode chamber 40B becomes a fine bubble and moves to the upper part of the second electrode chamber 40B.
  • gas can be discharged from the second electrode chamber 40B.
  • the parallel water channel 14 is provided along the second polar chamber 40B.
  • the parallel water channel 14 connects the exhaust channel 13 and the lower end of the second pole chamber 40B.
  • the parallel water channel 14 is connected to the 2nd pole chamber 40B via the 2nd water supply channel 11b mentioned later.
  • the parallel water channel 14 may be directly connected to the second electrode chamber 40B.
  • FIG. 2 shows a circuit for supplying an electrolytic current to the power feeders 41 and 42.
  • the electrolytic current I supplied to the power feeding bodies 41 and 42 is controlled by the control unit 6.
  • the control unit 6 controls each unit such as the power feeders 41 and 42.
  • the control unit 6 includes, for example, a CPU (Central Processing Unit) that executes various arithmetic processes, information processing, and the like, a program that controls the operation of the CPU, and a memory that stores various information.
  • a CPU Central Processing Unit
  • the control unit 6 controls the polarities of the first power supply 41 and the second power supply 42, for example.
  • desired electrolyzed water out of the electrolyzed hydrogen water or the electrolyzed oxygen water flows from the first electrode chamber 40A through the water outlet 12. And is available for use.
  • first power feeding body 41 is applied as a cathode power feeding body
  • first power feeding body 41 is applied as an anode power feeding body.
  • Current detection means 44 is provided in the current supply line between the first power feeder 41 and the control unit 6.
  • the current detection unit 44 may be provided in a current supply line between the second power feeder 42 and the control unit 6.
  • the current detection unit 44 detects the electrolytic current I supplied to the power feeding bodies 41 and 42 and outputs an electric signal corresponding to the value to the control unit 6.
  • the control unit 6 controls the DC voltage applied to the first power supply body 41 and the second power supply body 42 based on, for example, the electric signal output from the current detection means 44. More specifically, the control unit 6 controls the first power supply body 41 and the second power supply body 41 so that the electrolysis current I detected by the current detection unit 44 becomes a desired value according to the preset dissolved hydrogen concentration.
  • the DC voltage applied to the power feeding body 42 is feedback controlled. For example, when the electrolysis current I is excessive, the control unit 6 decreases the voltage, and when the electrolysis current I is excessive, the control unit 6 increases the voltage. Thereby, the electrolysis current I supplied to the 1st electric power feeder 41 and the 2nd electric power feeder 42 is controlled appropriately.
  • the oxygen gas O generated by electrolysis in the second electrode chamber 40B is exhausted from the second electrode chamber 40B through the exhaust passage 13.
  • the oxygen gas O in the second electrode chamber 40B is pushed upward by the pressure of the water filled in the parallel water channel 14 that allows the exhaust channel 13 and the lower end of the second electrode chamber 40B to communicate with each other. Move to.
  • the oxygen gas O generated in the second electrode chamber 40B is discharged from the second electrode chamber 40B without supplying water to the second electrode chamber 40B being electrolyzed. Therefore, sufficient water is supplied to the surface of the second power feeder 42, and electrolysis in the electrolysis chamber 40 is efficiently performed. Thereby, the utilization efficiency of water is increased to the limit, and the dissolved hydrogen concentration of the electrolytic hydrogen water generated in the first electrode chamber 40A is easily increased.
  • the water in the second electrode chamber 40B is decomposed into oxygen and consumed by electrolysis.
  • the water filled in the exhaust passage 13 and the parallel water passage 14 flows into the second electrode chamber 40B, and the water consumed by the electrolysis is supplemented. Therefore, the water level in the exhaust passage 13 and the parallel water passage 14 gradually decreases as the electrolysis progresses.
  • the water in the electrolysis chamber 40 serves as a raw material for electrolysis and has a function of cooling the diaphragm 43 that generates heat by Joule heat. Therefore, when the said water level falls further and falls from the upper end part of the 2nd pole chamber 40B, there exists a possibility that the temperature of the diaphragm 43 may rise excessively and the diaphragm 43 may be damaged. However, in this embodiment, damage to the diaphragm 43 is suppressed by monitoring the water level in the exhaust passage 13.
  • the exhaust passage 13 is provided with a water level detection means 28 for detecting the water level in the exhaust passage 13. Since the water level in the exhaust passage 13 and the water level in the parallel water passage 14 are equivalent, the water level detection means 28 may be provided in the parallel water passage 14. In this case, the water level detection means 28 detects the water level in the parallel water channel 14.
  • the water level detection means 28 includes, for example, an optical liquid level sensor 28a (see FIG. 2).
  • the exhaust path 13 has translucency at least at a location facing the liquid level sensor 28a.
  • the liquid level sensor 28a detects the water level in the exhaust passage 13 by irradiating the exhaust passage 13 with infrared light and detecting the transmitted light. For example, when the detection area of the liquid level sensor 28a is filled with water, infrared light is refracted and not detected. On the other hand, when the detection area of the liquid level sensor 28a is not filled with water, infrared light is detected.
  • the liquid level sensor 28 a photoelectrically converts the infrared light transmitted through the exhaust passage 13 and outputs an electrical signal corresponding to the value to the control unit 6.
  • the control unit 6 controls the operation of the electrolytic cell 4 based on the electrical signal output from the liquid level sensor 28a. For example, when the water level in the exhaust passage 13 is lower than the detection region of the liquid level sensor 28a, the control unit 6 stops supplying the electrolytic current I to the first power supply body 41 and the second power supply body 42. Thereby, the electrolysis in the electrolysis chamber 40 is stopped, further lowering of the water level in the exhaust passage 13 is suppressed, and damage to the diaphragm 43 can be suppressed.
  • the control unit 6 stops the operation of the electrolytic cell 4.
  • the liquid level sensor 28 a is provided below the location where the parallel water channel 14 communicates with the exhaust channel 13. Thereby, it is possible to continuously operate the electrolytic cell 4 for a long time.
  • the electrolyzed water generating apparatus 1 includes a second water supply passage 11b and a water supply control valve 25.
  • the second water supply passage 11b is connected to the lower end of the second pole chamber 40B.
  • the second water supply channel 11 b supplies water to be electrolyzed to the second pole chamber 40 ⁇ / b> B and the parallel water channel 14.
  • the water supply control valve 25 controls water supply from the second water supply path 11b to the second pole chamber 40B.
  • an electromagnetic valve that opens and closes using electromagnetic force as a driving force can be applied to the water supply control valve 25.
  • the operation of the water supply control valve 25 is controlled by the control unit 6. For example, when electrolysis is performed in the electrolytic cell 4, the water supply control valve 25 is closed. Thereby, the water supply to the 2nd pole chamber 40B is stopped, and the utilization efficiency of water is raised to the limit. Even in this case, the oxygen gas generated in the second electrode chamber 40B is discharged by the water pressure in the parallel water channel 14 described above, so that the dissolved hydrogen concentration of the electrolytic hydrogen water generated in the first electrode chamber 40A is increased. .
  • the water supply control valve 25 is provided below the location where the parallel water channel 14 communicates with the second water supply channel 11b. Thereby, water is replenished to the 2nd polar chamber 40B from the parallel water channel 14 according to consumption of the water in the 2nd polar chamber 40B accompanying electrolysis.
  • the control unit 6 opens the water supply control valve 25 after stopping the electrolysis in the electrolytic cell 4. Thereby, the water supply from the 2nd water supply path 11b to the 2nd pole chamber 40B is restarted, and the water level in the exhaust path 13 returns to the original height.
  • FIG. 3 shows a schematic configuration of the hydrogen water server 100 according to the embodiment of the second invention.
  • FIG. 4 shows the electrical configuration of the hydrogen water server 100.
  • the hydrogen water server 100 is an apparatus that includes the electrolyzed water generating device 1 and stores the electrolyzed hydrogen water in which hydrogen generated by the electrolyzed water generating device 1 is dissolved so as to be provided as needed.
  • the electrolytic hydrogen water provided by the hydrogen water server 100 can be used as drinking or cooking water.
  • the hydrogen water server 100 equipped with the electrolyzed water generating apparatus 1 of the first invention it is possible to efficiently increase the dissolved hydrogen concentration of the electrolyzed hydrogen water stored in the tank 3 while effectively using water.
  • the hydrogen water server 100 further includes a water purification filter 2, a tank 3, an operation unit 5, a circulation water channel 15, and a water discharge channel 16.
  • the water filter 2 purifies the water supplied to the tank 3.
  • the water purification filter 2 is configured to be replaceable by attaching to and detaching from the main body of the hydrogen water server 100.
  • the water purification filter 2 is provided in the water inlet 10 on the upstream side of the tank 3.
  • Raw water is supplied to the water inlet 10.
  • As the raw water tap water is generally used, but well water, ground water, and the like can be used.
  • the water inlet 10 has a water inlet valve 21.
  • the water inlet valve 21 controls the amount of water flow to the hydrogen water server 100.
  • the water purification filter 2 of the present embodiment includes a prefilter 2A, a carbon (activated carbon) filter 2B, and a hollow fiber membrane filter 2C.
  • the pre-filter 2A, the carbon (activated carbon) filter 2B, and the hollow fiber membrane filter 2C are each configured to be exchangeable by attaching to and detaching from the main body of the hydrogen water server 100.
  • the pre-filter 2A is arranged on the most upstream side, and removes a material of 0.5 ⁇ m or more contained in raw water, for example.
  • the carbon filter 2B is disposed on the downstream side of the prefilter 2A, and removes the substance that has passed through the prefilter 2A by adsorption.
  • the hollow fiber membrane filter 2C is disposed on the downstream side of the carbon filter 2B, and removes, for example, a 0.1 ⁇ m or more substance that has passed through the pre-filter 2A and the carbon filter 2B.
  • Tank 3 stores the water that has passed through the water purification filter 2.
  • the control unit 6 appropriately maintains the amount of water stored in the tank 3 by controlling the opening and closing of the water inlet valve 21 based on the electrical signal output from the water amount sensor 31.
  • the water amount sensor 31 is provided in the upper part of the tank 3.
  • the water amount sensor 31 has, for example, a float that floats on water. Similar to the liquid level sensor 28a, the water amount sensor 31 may be an optical sensor.
  • the water amount sensor 31 is provided in the upper part of the tank 3 and outputs an electrical signal to that effect to the control unit 6 when the amount of water stored in the tank 3 is substantially full.
  • the control unit 6 controls the water inlet valve 21 to be in an open state when it does not receive an electric signal indicating that the water level is in the above-described state from the water amount sensor 31. Thereby, the tank 3 is appropriately replenished with water, and the amount of stored water is maintained appropriately.
  • the water stored in the tank 3 is supplied to the electrolytic cell 4 through the upstream circulation channel 15 and electrolyzed, and then returns to the tank 3 through the downstream circulation channel 15. Accordingly, the tank 3 stores the electrolytic hydrogen water generated in the first electrode chamber 40A.
  • the circulating water channel 15 circulates the electrolytic water between the tank 3 and the electrolysis chamber 40.
  • the circulation water channel 15 includes the first water supply channel 11 a and the water discharge channel 12 of the electrolyzed water generating device 1. Further, the second water supply passage 11 b and the exhaust passage 13 of the electrolyzed water generating apparatus 1 can also function as the circulation water passage 15.
  • a flow rate sensor 27A is provided in the first water supply path 11a, and a flow rate sensor 27B is provided in the second water supply path 11b.
  • the flow sensor 27A detects the amount of water flowing through the first water supply channel 11a.
  • the flow sensor 27B detects the amount of water flowing through the second water supply channel 11b.
  • Circulating water channel 15 includes circulating water channels 15a, 15b and 15c.
  • the circulating water channel 15 a supplies water to be electrolyzed to the electrolyzed water generator 1.
  • the circulating water channel 15a is connected to the tank 3 at one upstream end, and branches to the first water supplying channel 11a and the second water supplying channel 11b at the other downstream end.
  • a pump 22 is provided in the circulation water channel 15a. The pump 22 drives the water in the circulation water channel 15 to circulate in the circulation water channel 15. By performing electrolysis in the electrolytic cell 4 while circulating water in the circulation channel 15, the dissolved hydrogen concentration of the water stored in the tank 3 is increased.
  • One end of the circulating water channel 15 b is connected to the water discharge channel 12 via the flow channel switching valve 23, and the other end is connected to the tank 3.
  • the electrolytic hydrogen water generated in the first electrode chamber 40A returns to the tank 3 through the circulation water channel 15b and the water discharge channel 12.
  • the circulation water channel 15 c is connected to the exhaust channel 13.
  • the tip of the circulating water channel 15c is arranged inside the tank 3 and is positioned lower than the circulating water channel 15b.
  • Exhaust means 24 is provided at the tip of the exhaust passage 13.
  • the exhaust means 24 separates and discharges only the gas from the fluid in the exhaust path 13.
  • the oxygen gas generated in the second electrode chamber 40B is exhausted by the exhaust means 24.
  • the water discharge path 16 is a flow path for discharging the hydrogen water generated in the first polar chamber 40A.
  • the water discharge path 16 of the present embodiment is connected to the water discharge path 12 via the flow path switching valve 23. Thereby, the structure of the hydrogen water server 100 is simplified.
  • a so-called three-way valve can be applied to the flow path switching valve 23.
  • the flow path switching valve 23 is controlled by the control unit 6 according to the operation mode of the hydrogen water server 100, and switches part or all of the flow path downstream from the water discharge path 12 to the circulation water path 15 b or the water discharge path 16. That is, in the mode in which the electrolytic hydrogen water is generated, the entire flow path downstream from the water discharge path 12 is the circulation water path 15b. In the mode of discharging the electrolytic hydrogen water, a part or all of the flow path on the downstream side of the water discharge path 12 is switched to the water discharge path 16. Thereby, switching of a flow path can be realized with a simple configuration.
  • the water discharge path 16 may be directly connected to the first pole chamber 40A.
  • a water outlet 16 a is provided at the front end side of the water discharge path 16.
  • a space in which the cup 500 or the like can be placed is formed below the water discharge port 16a, and a tray 16b for collecting water spilled from the cup 500 is provided.
  • the operation unit 5 shown in FIG. 4 includes a switch operated by a user, a touch panel for detecting capacitance, or the like (not shown).
  • the user can set the operation mode of the hydrogen water server 100 to be described later, for example, by operating the operation unit 5.
  • the operation unit 5 When the operation unit 5 is operated by the user, the operation unit 5 outputs a corresponding electrical signal to the control unit 6.
  • the control unit 6 controls each unit of the hydrogen water server 100 according to the electric signal input from the operation unit 5.
  • the control unit 6 controls the drive voltage of the pump 22. At this time, the control unit 6 controls the drive voltage of the pump 22 while monitoring the flow rate detected by the flow rate sensor 27A. Thereby, the hydrogen water stored in the tank 3 circulates in the circulating water path 15 between the tank 3 and the first pole chamber 40A. Further, the control unit 6 applies an electrolytic voltage to the first power feeding body 41 and the second power feeding body 42. Thereby, the electrolyzed water supplied to the electrolysis chamber 40 is further electrolyzed, and the dissolved hydrogen concentration of the hydrogen water stored in the tank 3 can be maintained high.
  • the control unit 6 stops applying the electrolytic voltage to the first power supply body 41 and the second power supply body 42. Thereby, the application of the electrolysis voltage in a state where the electrolyzed water is not sufficiently supplied to the electrolysis chamber 40 can be prevented.
  • the control unit 6 When the hydrogen water stored in the tank 3 is consumed, based on the electrical signal output from the water amount sensor 31, the control unit 6 opens the water inlet valve 21 and the tank 3 is replenished with water from the water inlet 10. The At this time, since the dissolved hydrogen concentration of the hydrogen water stored in the tank 3 decreases, the control unit 6 uses the circulating water channel 15 between the tank 3 and the first pole chamber 40A to store the hydrogen water stored in the tank 3. While circulating again, electrolysis is performed in the electrolysis chamber 40 to increase the dissolved hydrogen concentration.
  • a cooling device 7 is connected to the tank 3.
  • the cooling device 7 cools the tank 3 by cooling the refrigerant and supplying it to the outer wall of the tank 3.
  • the operation of the cooling device 7 is controlled by the control unit 6.
  • the hydrogen water stored in the tank 3 is cooled to a desired temperature by the cooling device 7. Accordingly, it is possible to provide cooled hydrogen water as needed according to the user's request, and the usability of the hydrogen water server 100 is improved.
  • the hydrogen water stored in the tank 3 is periodically replaced under the control of the control unit 6.
  • the replacement of the hydrogen water first, the hydrogen water stored in the tank 3 is discharged, and then new water is supplied from the water inlet 10 to the tank 3.
  • the drain 3 for discharging the hydrogen water is connected to the tank 3.
  • the tank 3 and the drainage channel 17 are connected via a part of the circulation channel 15a.
  • the tank 3 and the drainage channel 17 may be configured to be directly connected.
  • the drainage channel 17 is provided with a drainage valve 26.
  • the drain valve 26 is controlled by the control unit 6 to open and close. When the drain valve 26 is opened, the hydrogen water stored in the tank 3 is discharged from the drain port 17a.
  • the tray portion 16b is connected to the drainage channel 17 through the water channel 16c.
  • the water collected by the tray part 13b is discharged from the drainage channel 17 through the water channel 16c.
  • the tank 3 is provided with a heater (heating means) 8 for heating water.
  • the heater 8 generates heat due to Joule heat, and heats the water stored in the tank 3.
  • a heater (heating means) 8 ⁇ / b> A is provided between the tank 3 of the circulation water channel 15 and the pump 22.
  • the heater 8 ⁇ / b> A is provided in a part of the pipe constituting the circulation water channel 15.
  • the heater 8 ⁇ / b> A generates heat due to Joule heat and heats the water in the circulation water channel 15.
  • the heaters 8 and 8A are controlled by the control unit 6. Only one of the heaters 8 and 8A may be applied as the heating means.
  • the controller 6 controls the heaters 8 and 8A to heat the water stored in the tank 3 and the water in the circulation channel 15. As a result, hot water is generated in the tank 3 and the circulating water channel 15, the inside of the tank 3 and the circulating water channel 15 is sterilized by the hot water, and propagation of bacteria and the like is suppressed.
  • the hydrogen water server 100 generates hydrogen water by electrolysis and stores it in the tank 3 as an operation mode, an “electrolyzed water generation mode” for storing the hydrogen water stored in the tank 3, and a “water discharge mode” for discharging the hydrogen water stored in the tank 3. And “sterilization mode” for sterilizing the electrolytic cell 4 and the like.
  • FIGS. 8 to 10 show the operation of each part of the hydrogen water server 100 and the flow of water in the electrolyzed water generation mode.
  • the region filled with water is indicated by hatching (hereinafter, the same applies to FIGS. 8 to 10).
  • the flow path on the circulating water path 15b side of the flow path switching valve 23 is opened, and the flow path on the water discharge path 16 side is closed. Moreover, the water supply control valve 25 of the 2nd water supply path 11b is closed. Further, the drain valve 26 is closed, and the water inlet valve 21 is appropriately opened and closed according to the amount of water stored in the tank 3.
  • the water level h in the exhaust passage 13 is equivalent to the tank 3.
  • electrolysis occurs in the first electrode chamber 40A and the second electrode chamber 40B.
  • the hydrogen gas generated in the first electrode chamber 40A is collected in the tank 3 while being dissolved in the electrolyzed water, and the dissolved hydrogen concentration in the water in the tank 3 is increased.
  • the oxygen gas O generated in the second electrode chamber 40B becomes bubbles and is exhausted through the exhaust passage 13 and the exhaust means 24.
  • the oxygen gas O in the second electrode chamber 40B is pushed upward by the pressure of the water filled in the parallel water passage 14 and moves to the exhaust passage 13.
  • the oxygen gas O generated in the second electrode chamber 40B is supplied to the second electrode chamber 40B without electrolysis without supplying water to the second electrode chamber 40B being electrolyzed (that is, without causing water flow in the second electrode chamber 40B). It is discharged from the polar chamber 40B. Therefore, sufficient water is supplied to the surface of the second power feeder 42, and electrolysis in the electrolysis chamber 40 is efficiently performed.
  • the water supply control valve 25 since the water supply control valve 25 is closed, the water in the second electrode chamber 40B does not return to the tank 3 via the exhaust passage 13 and the circulation water passage 15c. Therefore, the increase in the dissolved hydrogen concentration of the water in the tank 3 is not hindered by the inflow of water in the second electrode chamber 40B, and the dissolved hydrogen concentration of the electrolytic hydrogen water can be easily increased.
  • the control unit 6 stops the pump 22, and the first power feeding body 41 and the second power feeding.
  • the application of the electrolysis voltage to the body 42 is stopped.
  • the control part 6 opens the water supply control valve 25, and water is supplied to the 2nd pole chamber 40B and the parallel water channel 14 from the 2nd water supply channel 11b, and the water level h of the exhaust channel 13 is the initial stage which is shown by FIG. Return to the state.
  • the driving of the pump 22 may be used in combination. In this case, the water level h in the exhaust passage 13 returns to the initial state in a shorter time.
  • the application of the electrolysis voltage to the 1st electric power feeder 41 and the 2nd electric power feeder 42 may be continued.
  • FIG. 8 shows the operation of each part of the hydrogen water server 100 and the flow of water in the water discharge mode.
  • the flow path of the electrolytic hydrogen water that has passed through the first electrode chamber 40A is switched by the flow path switching valve 23 from the state of the electrolyzed water generation mode shown in FIGS. That is, in the water discharge mode, the flow path on the circulating water path 15b side is closed and the flow path on the water discharge path 16 side is opened.
  • the control unit 6 may be configured to apply an electrolytic voltage to the first power supply body 41 and the second power supply body 42.
  • FIGS. 9 and 10 show the operation of each part of the hydrogen water server 100 in the sterilization mode and the flow of water in time series.
  • the sterilization mode the water in the tank 3 and the circulating water channel 15 is heated and circulated, and each part such as the tank 3, the electrolytic cell 4, the circulating water channel 15 and the like is sterilized by heating.
  • the circulating water channel 15 supplies the hot water heated by the heaters 8 and 8A to the electrolysis chamber 40, the first water supply channel 11a, the second water supply channel 11b, the water discharge channel 12, the exhaust channel 13, and the parallel water channel 14. Functions as a waterway. Thereby, propagation of bacteria and the like in each part in the hydrogen water server 100 is suppressed.
  • the sterilization mode is periodically executed under the control of the control unit 6. For example, the sterilization mode is executed every day at midnight. For example, the time period for executing the sterilization mode can be appropriately set by the user operating the operation unit 5.
  • the exhaust passage 13, the parallel water passage 14, and the circulation water passage 15c are also filled with hot water.
  • the exhaust means 24 provided at the tip of the exhaust passage 13 keeps hot water in the exhaust passage 13 and prevents water leakage from the tip of the exhaust passage 13.
  • the state of the flow path switching valve 23 and the drain valve 26 is controlled by the control unit 6 in the same manner as in the initial electrolyzed water generation mode. That is, the flow path on the circulating water path 15b side of the flow path switching valve 23 is opened, and the flow path on the water discharge path 16 side is closed. The drain valve 26 is closed. Further, in the sterilization mode, the water supply control valve 25 is opened.
  • the flow rate of hot water supplied to the second electrode chamber 40B is set to be equal to the flow rate of hot water supplied to the first electrode chamber 40A. Thereby, the same amount of hot water as that of the first electrode chamber 40A is supplied to the second electrode chamber 40B, and the second electrode chamber 40B, the flow rate sensor 27B, the second water supply channel 11b, the circulating water channel 15c, and the like can be sufficiently sterilized. .
  • the water stored in the tank 3 and the water in the circulation water channel 15 are heated by controlling the heaters 8 and 8A, the water stored in the tank 3 from the drain channel 17 is opened by opening the drain valve 26 in advance. A part of may be discharged. In this case, since the amount of water to be heated is small, heating can be completed in a short time and with a small amount of power.
  • the hot water in the tank 3 in the sterilization mode contains water vapor.
  • the upper region of the tank 3 where hot water resulting from the reduction of the amount of water stored in the tank 3 is not immersed is sterilized with water vapor.
  • the water amount sensor 31 and the ceiling wall 33 are sterilized with water vapor.
  • the temperature of hot water is preferably 75 ° C. or higher, for example.
  • the control unit 6 turns off the heaters 8 and 8A, ends the heating, and ends the driving of the pump 22.
  • FIG. 10 shows, the drain valve 26 is opened and hot water is discharged
  • the flow path on the circulating water path 15 b side of the flow path switching valve 23 is closed, and the flow path on the water discharge path 16 side is opened, whereby hot water is discharged from the water discharge path 16.
  • the water discharge path 16 and the drainage path 17 are sterilized by the hot water passing through the water discharge path 16 and the drainage path 17.
  • the hot water discharged from the water discharge port 16a is collected by the tray part 16b, passes through the water channel 16c, and reaches the drainage channel 17. Thereby, the saucer part 16b and the water channel 16c are sterilized.
  • the control unit 6 controls the drive voltage of the pump 22 while monitoring the flow rate detected by the flow rate sensors 27A and 27B. Thereby, the amount of hot water flowing through the circulation channel 15 and the electrolytic cell 4 is managed by the control unit 6.
  • the control part 6 can grasp
  • the control unit 6 stops the pump 22. Thereby, the hot water in the second electrode chamber 40 ⁇ / b> B and the parallel water channel 14 is discharged from the drainage channel 17.
  • an ultraviolet LED (ultraviolet irradiation means) 34 is provided on the top wall 33 of the tank 3.
  • the ultraviolet LED 34 is a light emitting diode that is controlled by the control unit 6 to emit ultraviolet rays.
  • the inside of the tank 3 is sterilized by the ultraviolet rays emitted from the ultraviolet LED 34.
  • the ultraviolet LED 34 may be provided in the circulating water channel 15 or the electrolytic cell 4 in addition to the tank 3.
  • the ultraviolet LED 34 can be turned on in the electrolyzed water generation mode and the sterilization mode.
  • the ultraviolet LED 34 may be configured to be constantly or periodically lit.
  • the electrolyzed water generating apparatus 1 is divided into at least a first electrode chamber 40A in which the first power feeding body 41 is disposed and a second electrode chamber 40B in which the second power feeding body 42 is disposed by the diaphragm 43, and An electrolysis chamber 40 that generates electrolyzed water by electrolyzing water, a first water supply path 11a that is connected to the first electrode chamber 40A and supplies water to be electrolyzed to the first electrode chamber 40A, and a first electrode A discharge channel 12 that is connected to the chamber 40A and sends electrolyzed electrolyzed water from the first electrode chamber 40A, and extends upward from the upper end of the second electrode chamber 40B. What is necessary is just to provide the exhaust path 13 discharged

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

Abstract

La présente invention concerne un dispositif de génération d'eau électrolysée comprenant : une chambre d'électrolyse 40 qui génère de l'eau électrolysée par électrolyse de l'eau et est divisée par une membrane de séparation 43, qui est une membrane polymère solide, en une première chambre polaire 40A ayant un premier dispositif d'alimentation en énergie 41 disposé dans celle-ci et une seconde chambre 40B polaire ayant un second dispositif d'alimentation en énergie 42 disposé dans celui-ci ; un premier trajet d'alimentation en eau 11a relié à la première chambre polaire 40A et introduisant de l'eau à électrolyser dans la première chambre polaire 40A ; un passage de sortie d'eau 12 relié à la première chambre polaire 40A et envoyant de l'eau électrolysée qui a été électrolysée depuis la première chambre polaire 40A ; un passage de décharge 13 s'étendant vers le haut depuis l'extrémité supérieure de la seconde chambre polaire 40B et évacuant le gaz produit par électrolyse depuis la seconde chambre polaire 40B ; et un passage d'eau parallèle disposé le long de la seconde chambre polaire 40B et reliant le passage d'évacuation 13 et l'extrémité inférieure de la seconde chambre polaires. 40B.
PCT/JP2017/003287 2016-02-05 2017-01-31 Dispositif de génération d'eau électrolysé et serveur d'eau électrolysée le comprenant WO2017135208A1 (fr)

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Cited By (3)

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JP2018069189A (ja) * 2016-11-01 2018-05-10 株式会社日本トリム 電解水サーバー
WO2018084117A1 (fr) * 2016-11-01 2018-05-11 株式会社日本トリム Distributeur d'eau électrolysée
US20210238066A1 (en) * 2020-01-30 2021-08-05 Michael Schelch Disinfection device and method for performing disinfection cycles

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CN108344772B (zh) * 2017-12-29 2023-07-11 宁波欧琳科技股份有限公司 一种净化水槽电解片检测的方法及***
JP2019209285A (ja) * 2018-06-06 2019-12-12 株式会社日本トリム 水素ガス溶解装置
JP2021094275A (ja) * 2019-12-18 2021-06-24 株式会社日本トリム 水素付加装置及び水素付加装置の殺菌方法
JP6871454B1 (ja) * 2020-04-02 2021-05-12 株式会社日本トリム 電解水生成装置及び洗浄用水生成装置

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JPH07256254A (ja) * 1994-03-22 1995-10-09 Hoshizaki Electric Co Ltd 電解イオン水生成装置
JPH11253943A (ja) * 1998-03-06 1999-09-21 Hoshizaki Electric Co Ltd 電解水生成装置
JP2003071449A (ja) * 2001-09-06 2003-03-11 Jipukomu Kk アルカリイオン水の製造方法及び製造装置
JP2004107775A (ja) * 2002-09-20 2004-04-08 Fuji Electric Holdings Co Ltd 水電解装置とその運転方法
JP2005105289A (ja) * 2003-09-24 2005-04-21 Shinwa Kogyo Kk 水素水給水装置
WO2012060078A1 (fr) * 2010-11-01 2012-05-10 有限会社ターナープロセス Procédé et appareil pour altérer un potentiel d'oxydo-réduction de liquide aqueux

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JPH07256254A (ja) * 1994-03-22 1995-10-09 Hoshizaki Electric Co Ltd 電解イオン水生成装置
JPH11253943A (ja) * 1998-03-06 1999-09-21 Hoshizaki Electric Co Ltd 電解水生成装置
JP2003071449A (ja) * 2001-09-06 2003-03-11 Jipukomu Kk アルカリイオン水の製造方法及び製造装置
JP2004107775A (ja) * 2002-09-20 2004-04-08 Fuji Electric Holdings Co Ltd 水電解装置とその運転方法
JP2005105289A (ja) * 2003-09-24 2005-04-21 Shinwa Kogyo Kk 水素水給水装置
WO2012060078A1 (fr) * 2010-11-01 2012-05-10 有限会社ターナープロセス Procédé et appareil pour altérer un potentiel d'oxydo-réduction de liquide aqueux

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2018069189A (ja) * 2016-11-01 2018-05-10 株式会社日本トリム 電解水サーバー
WO2018084117A1 (fr) * 2016-11-01 2018-05-11 株式会社日本トリム Distributeur d'eau électrolysée
US20210238066A1 (en) * 2020-01-30 2021-08-05 Michael Schelch Disinfection device and method for performing disinfection cycles
US11981587B2 (en) * 2020-01-30 2024-05-14 Michael Schelch Disinfection device and method for performing disinfection cycles

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