WO2018135080A1 - Electrolyzed-water generation device, water treatment device, device for producing water for dialysate preparation, and hydrogen water server - Google Patents

Electrolyzed-water generation device, water treatment device, device for producing water for dialysate preparation, and hydrogen water server Download PDF

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Publication number
WO2018135080A1
WO2018135080A1 PCT/JP2017/039394 JP2017039394W WO2018135080A1 WO 2018135080 A1 WO2018135080 A1 WO 2018135080A1 JP 2017039394 W JP2017039394 W JP 2017039394W WO 2018135080 A1 WO2018135080 A1 WO 2018135080A1
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Prior art keywords
water
electrolyzed
hydrogen
power supply
tank
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PCT/JP2017/039394
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French (fr)
Japanese (ja)
Inventor
直樹 仲西
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株式会社日本トリム
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Priority to CN201780001879.3A priority Critical patent/CN108633269B/en
Publication of WO2018135080A1 publication Critical patent/WO2018135080A1/en

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
    • A61L2/02—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using physical phenomena
    • A61L2/04—Heat
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D65/00—Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes
    • B01D65/02—Membrane cleaning or sterilisation ; Membrane regeneration
    • 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
    • C02F1/28—Treatment of water, waste water, or sewage by sorption
    • 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
    • C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • 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

Definitions

  • the present invention relates to an electrolyzed water generating device for electrolyzing water to generate electrolyzed hydrogen water.
  • an electrolyzed water generator that includes an electrolytic cell having an anode chamber and a cathode chamber partitioned by a solid polymer electrolyte membrane and electrolyzes raw water that has flowed into the electrolytic cell is known.
  • Electrolyzed hydrogen water in which hydrogen gas is dissolved is generated in the cathode chamber of the electrolyzed water generator.
  • dissolved hydrogen water generated by an electrolyzed water generator has been attracting attention as being suitable for reducing active oxygen generated during hemodialysis treatment and reducing oxidative stress in patients (for example, patents).
  • Hemodialysis using electrolyzed water is called electrolyzed water dialysis.
  • the raw water contains metal ions such as calcium ions and magnesium ions, although they are in a small amount. These metal ions are not easily removed by a filter or the like, and when they enter the electrolytic cell, they are deposited as scales in the cathode chamber including the power supply body and in the water tube connected to the cathode chamber.
  • the voltage for electrolysis applied to the power supply body increases, and the power consumption of the electrolyzed water generating device increases. Further, if a large amount of scale adheres to the inside of the water discharge pipe, the water discharge pipe may be clogged and the discharge amount of the electrolytic hydrogen water may be reduced.
  • the present invention has been devised in view of the above circumstances, and has as its main object to provide an electrolyzed water generating device and the like that can remove scales adhering to the surface of the power feeding body.
  • a first invention of the present invention is an electrolyzed water generating device that electrolyzes water to generate electrolyzed hydrogen water, wherein the first electrode chamber in which the first power feeder is disposed and the second power feeder is disposed in the first electrode chamber.
  • An electrolytic cell in which a bipolar chamber is divided by a diaphragm, a power supply unit that supplies current for electrolysis to the first power supply body and the second power supply body, and the first power supply body and the second power supply body Control means for controlling the polarity of the first feed body as a cathode and the second feed body as an anode when unheated water is supplied to the electrolytic cell.
  • the first power feeding body is used as an anode and the second power feeding body is used as a cathode.
  • the water treatment device of the second invention of the present invention is characterized by comprising the electrolyzed water generating device and a pretreatment device that generates the hot water and supplies it to the electrolyzed water generating device.
  • the dialysate preparation water production apparatus includes the water treatment device, and the pretreatment device can soften raw water and supply it to the electrolyzed water generation device.
  • a post-treatment device that purifies the electrolytic hydrogen water, and a circulation channel that circulates the hot water among the pre-treatment device, the electrolyzed water generation device, and the post-treatment device. It is desirable to provide.
  • a hydrogen water server includes the electrolyzed water generating device and a tank that stores the electrolyzed hydrogen water, a heater that heats water in the tank, the hot water from the tank, and the electrolyzer. It is further provided with the circulation water channel circulated between water generating apparatuses.
  • the control means when the unheated water is supplied to the electrolyzer, uses the first power feeding body as a cathode and the second feeding body as an anode for electrolysis current. Control. Thereby, the electrolysis hydrogen water suitable for electrolysis water dialysis and drinking is produced
  • the control means controls the electrolysis current using the first power feeding body as an anode and the second power feeding body as a cathode. The hot water is supplied to the electrolytic cell when the electrolytic cell or the like is sterilized.
  • the scale attached to the surface or the like of the first power supply can be removed by reversing the polarity of each power supply and electrolyzing the water in the electrolytic cell. .
  • the pretreatment device generates hot water and supplies it to the electrolyzed water generation device. Therefore, the configuration of the electrolyzed water generating device is simplified. For example, it is possible to configure the water treatment device at low cost by using a conventional electrolyzed water generation device that is not equipped with a function for generating hot water.
  • the pretreatment device has a function of softening raw water. This makes it possible to easily produce electrolytic hydrogen water suitable for dialysate preparation. Further, simultaneously with the sterilization of the water channel in the manufacturing apparatus with hot water, the scale attached to the surface of the power supply body can be removed by reversing the polarity of each power supply body and electrolyzing the water in the electrolytic cell.
  • the electrolyzed water generating device the tank for storing the electrolyzed hydrogen water, the heater for heating the water in the tank, and the hot water are circulated between the tank and the electrolyzed water generating device.
  • a circulation channel As a result, the scale attached to the surface of the power supply body can be removed by sterilizing the water channel in the hydrogen water server with hot water and simultaneously reversing the polarity of each power supply body to electrolyze the water in the electrolytic cell. .
  • FIG. 1 It is a block diagram which shows schematic structure of one Embodiment of the manufacturing apparatus of the dialysate preparation water containing the electrolyzed water generating apparatus of this invention. It is a block diagram which shows the electrical constitution of the water treatment apparatus containing the electrolyzed water generating apparatus of FIG. In the manufacturing apparatus of FIG. 1, it is a block diagram which shows operation
  • FIG. 2 is a block diagram showing the operation of the electrolyzed water generating device and the like when heated water is supplied to the electrolytic cell in the manufacturing apparatus of FIG. 1.
  • FIG. 6 is a block diagram showing the operation of the electrolyzed water generating device and the like when unheated water is supplied to the electrolyzer in the hydrogen water server of FIG. 5.
  • FIG. 6 is a block diagram showing the operation of the electrolyzed water generating device and the like when heated water is supplied to the electrolyzer in the hydrogen water server of FIG. 5.
  • FIG. 1 shows a schematic configuration of a dialysate preparation water manufacturing apparatus 100 (hereinafter simply referred to as a manufacturing apparatus 100) including an electrolyzed water generating apparatus 1 of the present embodiment.
  • the manufacturing apparatus 100 includes a pretreatment device 200, an electrolyzed water generation device 1, and a posttreatment device 300.
  • the electrolyzed water generating apparatus 1 can be implemented alone without being combined with the pretreatment apparatus 200 and the posttreatment apparatus 300, and can also be implemented with a combination with apparatuses other than the pretreatment apparatus 200 and the posttreatment apparatus 300.
  • the water treatment device 250 is configured by the pretreatment device 200 and the electrolyzed water generation device 1.
  • the water treatment device 250 generates electrolytic hydrogen water from raw water and supplies it to the post-treatment device 300.
  • the water treatment apparatus 250 can be implemented alone without being combined with the post-treatment apparatus 300, and can be implemented in combination with apparatuses other than the post-treatment apparatus 300.
  • the pretreatment device 200 is installed on the upstream side of the electrolyzed water generating device 1.
  • the pretreatment device 200 includes a tank 201, a water softening device 202, an activated carbon treatment device 203, and a heater 204.
  • the tank 201 stores raw water supplied from the outside of the pretreatment device 200.
  • the raw water tap water is generally used, but well water, ground water, and the like can be used.
  • the water softening device 202 removes hardness components such as calcium ions and magnesium ions from the raw water to soften the water.
  • the activated carbon treatment apparatus 203 adsorbs and removes chlorine and the like from soft water using activated carbon which is a fine porous material.
  • the water treated by the pretreatment device 200 is supplied to the electrolyzed water generating device 1 through the water channel 501.
  • the water channel 501 is provided with a valve 510 for switching the connection destination on the upstream side to the activated carbon treatment apparatus 203 or the heater 204.
  • the heater 204 heats the water supplied from the tank 201 to, for example, 75 ° C. or higher to generate hot water.
  • the electrolyzed water generating apparatus 1 electrolyzes the water supplied from the pretreatment apparatus 200 to generate electrolyzed hydrogen water.
  • the electrolyzed water generating apparatus 1 includes an electrolytic cell 4 in which a first electrode chamber 40A in which a first power feeding body 41 is disposed and a second electrode chamber 40B in which a second power feeding body 42 is disposed are separated by a diaphragm 43.
  • the first power supply body 41 and the second power supply body 42 have different polarities. That is, one of the first power feeding body 41 and the second power feeding body 42 is applied as an anode power feeding body, and the other is applied as a cathode power feeding body. 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.
  • Electrolysis of water in the electrolysis chamber 40 generates hydrogen gas and oxygen gas.
  • the first power supply 41 when the first power supply 41 is applied as a cathode power supply, hydrogen gas is generated in the first electrode chamber 40A, and hydrogen water in which the hydrogen gas is dissolved is generated.
  • the hydrogen water generated with such electrolysis is referred to as “electrolytic hydrogen water”.
  • 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.
  • FIG. 2 shows an electrical configuration of the water treatment apparatus 250 including the electrolyzed water generating apparatus 1.
  • the electrolyzed water generating apparatus 1 includes a first power supply 41 and a second power supply 42, a power supply 5 that supplies current for electrolysis to the first power supply 41 and the second power supply 42, and a power supply 5. And control means 6 for controlling.
  • the power supply unit 5 supplies power to each unit of the electrolyzed water generating apparatus 1 in addition to the first power supply body 41 and the second power supply body 42.
  • the control means 6 controls each part of the electrolyzed water generating apparatus 1 in addition to the power supply part 5.
  • 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.
  • Current detection means 44 is provided on the current supply line between the first power feeder 41 and the power supply unit 5.
  • the current detection unit 44 may be provided in a current supply line between the second power feeder 42 and the power supply unit 5.
  • the current detection means 44 detects the electrolysis current I supplied to the first power supply body 41 and the second power supply body 42 and outputs an electric signal corresponding to the value to the control means 6.
  • the control means 6 controls the DC voltage that the power supply unit 5 applies to the first power supply body 41 and the second power supply body 42 based on, for example, the electrical signal output from the current detection means 44. More specifically, the control unit 6 determines that the power supply unit 5 has the first power feeder so that the electrolysis current I detected by the current detection unit 44 becomes a desired value according to a preset dissolved hydrogen concentration.
  • the DC voltage applied to 41 and the second power feeder 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 from the power supply unit 5 to the first power supply body 41 and the second power supply body 42 is appropriately controlled.
  • the post-treatment device 300 is installed on the downstream side of the electrolyzed water generating device 1.
  • the post-treatment device 300 is connected to the first electrode chamber 40 ⁇ / b> A of the electrolyzed water generating device 1 through the water channel 502. Therefore, the post-treatment device 300 is supplied with the electrolytic hydrogen water generated in the first electrode chamber 40A.
  • generated by the secondary in the 2nd pole chamber 40B is discharged
  • the post-treatment device 300 includes a reverse osmosis membrane treatment device 301 and a tank 302.
  • the reverse osmosis membrane treatment apparatus 301 purifies the electrolytic hydrogen water using a reverse osmosis membrane (not shown).
  • the electrolytic hydrogen water purified by the reverse osmosis membrane satisfies, for example, the standard of ISO 13959, which is a purification standard for dialysate preparation water, and is used as a dialysate preparation water for diluting a dialysis agent.
  • the tank 302 stores electrolyzed hydrogen water (RO electrolyzed water) purified by the reverse osmosis membrane treatment apparatus 301.
  • the electrolytic hydrogen water stored in the tank 302 is supplied to a diluting device (not shown) through the water channel 504.
  • the tank 302 and the heater 204 are connected by a water channel 505.
  • a circulation channel 506 for circulating hot water is constituted between the pretreatment device 200, the electrolyzed water generating device 1, and the post-treatment device 300 by the water channels 501, 502, 505, and the like.
  • the water channel 505 is provided with a pump (not shown) for driving hot water.
  • the control means 6 controls the polarities of the first power feeding body 41 and the second power feeding body 42 in accordance with the operation mode of the electrolyzed water generating device 1.
  • the operation mode of the electrolyzed water generating device 1 includes a “hydrogen water generating mode” for generating electrolyzed hydrogen water in the first electrode chamber 40A, and a “sterilizing mode” for sterilizing the electrolyzer 4 and the like with hot water circulating in the circulation water channel 506. Is included.
  • FIG. 3 shows the operation of the manufacturing apparatus 100 in the hydrogen water generation mode.
  • the structure filled with water and the water channel are indicated by thin hatching.
  • FIG. 4 shows the operation of the manufacturing apparatus 100 in the sterilization mode.
  • the configuration filled with hot water and the water channel are indicated by thin hatching.
  • the flow of the water or the hot water in the important point of the water channel is indicated by an arrow in the figure (the same applies to FIGS. 6 and 7).
  • the electrolyzed water generating device 1 operates in a hydrogen water generating mode when unheated water is supplied to the electrolyzer 4, and operates in a sterilization mode when heated hot water is supplied to the electrolyzer 4. .
  • Whether or not the water supplied to the electrolytic cell 4 is heated can be determined by the control means 6 based on an electrical signal input from the pretreatment device 200, for example. Further, a configuration in which a water temperature sensor is provided in the water channel 501 and the control unit 6 determines based on the output signal may be used.
  • the control means 6 uses the first power supply body 41 as a cathode, The electrolytic current I is controlled. Thereby, the electrolysis hydrogen water suitable for electrolysis water dialysis is produced
  • the control means 6 The electrolytic current I is controlled as an anode.
  • the hot water is supplied to the electrolytic cell 4 when the electrolytic cell 4 or the like is sterilized.
  • the polarity of each of the power feeding bodies 41 and 42 is reversed and the water in the electrolytic cell 4 is electrolyzed, so that the surface of the first power feeding body 41 is The attached scale can be removed.
  • hot water circulates through the heater 204, the electrolytic cell 4, the reverse osmosis membrane treatment device 301 and the tank 302 via the circulation water channel 506, so that the water channels 501, 502, the electrolytic cell 4, the reverse osmosis membrane treatment device. 301, the tank 302, etc. are sterilized with hot water.
  • the heater 204 disposed in the pretreatment apparatus 200 generates hot water and supplies it to the electrolyzed water generation apparatus 1. Therefore, the structure of the electrolyzed water generating apparatus 1 is simplified.
  • the water treatment apparatus 250 can be configured at low cost using the electrolyzed water generation apparatus 1 having a conventional configuration that is not equipped with a function for generating hot water.
  • the water channel 505 may be omitted.
  • the water stored in the tank 201 is heated by the heater 204, becomes hot water, passes through each part of the manufacturing apparatus 100, and is discharged from the water channels 503 and 504.
  • FIG. 5 shows a configuration of a hydrogen water server 600 including the electrolyzed water generating apparatus 1 according to the embodiment of the present invention.
  • the hydrogen water server 600 includes an electrolyzed water generator 1, a filter 601, a tank 602, and a heater 603.
  • the electrolyzed water generating apparatus 1 can be applied to apparatuses other than the hydrogen water server 600.
  • the filter 601 filters raw water supplied from the outside of the hydrogen water server 600 and supplies it to the tank 602.
  • the tank 602 supplies water for electrolysis to the electrolyzed water generator 1.
  • the configuration of the electrolyzed water generating apparatus 1 is the same as that of the electrolyzed water generating apparatus 1 included in the manufacturing apparatus 100. That is, the electrolyzed water generating apparatus 1 includes the electrolytic cell 4 in which the first electrode chamber 40A in which the first power feeding body 41 is disposed and the second electrode chamber 40B in which the second power feeding body 42 is disposed are separated by the diaphragm 43.
  • the electrical configuration is shown in FIG.
  • the tank 602 and the electrolytic cell 4 are connected by water channels 701, 702, and 703.
  • the water channel 701 branches into a water channel 701A and a water channel 701B.
  • the water channel 701 ⁇ / b> A is connected to the first electrode chamber 40 ⁇ / b> A on the upstream side of the electrolytic cell 4.
  • the water channel 701 ⁇ / b> B is connected to the second electrode chamber 40 ⁇ / b> B on the upstream side of the electrolytic cell 4.
  • the water channel 701B is provided with a throttle valve 704 for limiting the water supplied to the second pole chamber 40B.
  • the water channel 702 is connected to the first electrode chamber 40A on the downstream side of the electrolytic cell 4.
  • the water channel 703 is connected to the second electrode chamber 40 ⁇ / b> B on the downstream side of the electrolytic cell 4.
  • the water channels 701, 702, and 703 constitute a circulation water channel 706 that circulates water between the tank 602 and the electrolyzed water generator 1.
  • the electrolytic hydrogen water generated in the first electrode chamber 40A is returned to the tank 602 through the water channel 702.
  • the dissolved hydrogen concentration in the electrolytic hydrogen water in the tank 602 is increased.
  • a water channel 707 is connected to the tank 602. Electrolyzed hydrogen water is taken out of the hydrogen water server 600 through the water channel 707. Instead of the water channel 707, a water channel for taking out electrolytic hydrogen water may be connected to the first electrode chamber 40A or the water channel 702. When the electrolytic hydrogen water stored in the tank 602 is consumed, the raw water filtered by the filter 601 is supplied to the tank 602.
  • the heater 603 heats the water in the tank 602.
  • the heater 603 is provided on the side wall of the tank 602, for example.
  • the heater 603 may be provided in the circulation water channel 706.
  • the control means 6 controls the polarities of the first power feeding body 41 and the second power feeding body 42 in accordance with the operation mode of the electrolyzed water generating device 1.
  • the operation mode of the electrolyzed water generating apparatus 1 includes a “hydrogen water generating mode” for generating electrolyzed hydrogen water in the first polar chamber 40A, and a “sterilizing mode” for sterilizing the electrolyzer 4 and the like with hot water circulating in the circulation water channel 706. Is included.
  • FIG. 6 shows the operation of the hydrogen water server 600 in the hydrogen water generation mode.
  • the structure filled with water and the water channel are indicated by thin hatching.
  • FIG. 7 shows the operation of the hydrogen water server 600 in the sterilization mode. In the figure, the configuration filled with hot water and the water channel are indicated by thin hatching.
  • the electrolyzed water generating device 1 operates in a hydrogen water generating mode when unheated water is supplied to the electrolyzer 4, and operates in a sterilization mode when heated hot water is supplied to the electrolyzer 4. . Whether or not the water supplied to the electrolytic cell 4 is heated can be determined, for example, by the control means 6 governing the operation of the heater 603.
  • the control means 6 makes the first power supply body 41 a cathode and The electrolytic current I is controlled using the second power feeder as an anode.
  • the electrolytic hydrogen water suitable for drinking is produced
  • the water supplied to the second electrode chamber 40B is limited by the throttle valve 704, so that the electrolytic oxygen water generated in the second electrode chamber 40B is suppressed from returning to the tank 602. .
  • the dissolved hydrogen concentration of the electrolyzed water in the tank 602 is efficiently increased.
  • the control means 6 uses the first power supply body 41 as an anode.
  • the electrolysis current I is controlled using the second power feeder as a cathode.
  • the hot water is supplied to the electrolytic cell 4 in order to sterilize the electrolytic cell 4 and the like.
  • the throttle valve 704 is opened, and hot water is also supplied to the second pole chamber 40B.
  • the electrolyzed water generating apparatus 1 includes an electrolytic cell in which at least a first electrode chamber 40A in which a first power feeding body 41 is disposed and a second electrode chamber 40B in which a second power feeding body 42 is disposed are separated by a diaphragm 43. 4, a power supply unit 5 that supplies current for electrolysis to the first power supply body 41 and the second power supply body 42, and a control means 6 that controls the polarities of the first power supply body 41 and the second power supply body 42.
  • the control means 6 includes a first feeding body 41 as a cathode and the second feeding body as an anode when unheated water is supplied to the electrolytic cell 4.
  • the first power supply body 41 is used as an anode
  • the second power supply body may be used as a cathode.

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Organic Chemistry (AREA)
  • Water Supply & Treatment (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Electrochemistry (AREA)
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  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Water Treatment By Electricity Or Magnetism (AREA)
  • Apparatus For Disinfection Or Sterilisation (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Water Treatment By Sorption (AREA)

Abstract

An electrolyzed-water generation device 1 applied to electrolyzed-water dialysis is provided with an electrolysis tank 4 in which a first electrode chamber 40A in which a first feed conductor 41 is disposed and a second electrode chamber 40B in which a second feed conductor 42 is disposed are divided by a diaphragm 43, a power source unit 5 for supplying an electric current for electrolysis to the first feed conductor 41 and the second feed conductor 42, and a control means 6 for controlling the polarity of the first feed conductor 41 and the second feed conductor 42. The control means 6 sets the first feed conductor 41 as a negative electrode when water that is not heated is supplied to the electrolysis tank 4, and sets the first feed conductor 41 as a positive electrode when heated water is supplied to the electrolysis tank 4.

Description

電解水生成装置、水処理装置、透析液調製用水の製造装置及び水素水サーバーElectrolyzed water generation device, water treatment device, dialysate preparation water production device and hydrogen water server
　本発明は、水を電気分解して電解水素水を生成する電解水生成装置等に関する。 The present invention relates to an electrolyzed water generating device for electrolyzing water to generate electrolyzed hydrogen water.
　従来から、固体高分子電解質膜で仕切られた陽極室と陰極室とを有する電解槽を備え、電解槽内に流入させた原水を電気分解する電解水生成装置が知られている。 2. Description of the Related Art Conventionally, an electrolyzed water generator that includes an electrolytic cell having an anode chamber and a cathode chamber partitioned by a solid polymer electrolyte membrane and electrolyzes raw water that has flowed into the electrolytic cell is known.
　電解水生成装置の陰極室では、水素ガスが溶け込んだ電解水素水が生成される。また、近年、電解水生成装置で生成された溶存水素水は、血液透析治療の際に発生する活性酸素を除去し、患者の酸化ストレスの軽減に適しているとして注目されている（例えば、特許文献１参照）。電解水を用いた血液透析は、電解水透析と称される。 Electrolyzed hydrogen water in which hydrogen gas is dissolved is generated in the cathode chamber of the electrolyzed water generator. In recent years, dissolved hydrogen water generated by an electrolyzed water generator has been attracting attention as being suitable for reducing active oxygen generated during hemodialysis treatment and reducing oxidative stress in patients (for example, patents). Reference 1). Hemodialysis using electrolyzed water is called electrolyzed water dialysis.
　原水には、微量ながらカルシウムイオンやマグネシウムイオン等の金属イオンが含まれている。これらの金属イオンは、フィルター等では完全に除去されにくく、電解槽に進入すると給電体を含む陰極室の内部や陰極室に接続された水管の内部にスケールとして析出される。 The raw water contains metal ions such as calcium ions and magnesium ions, although they are in a small amount. These metal ions are not easily removed by a filter or the like, and when they enter the electrolytic cell, they are deposited as scales in the cathode chamber including the power supply body and in the water tube connected to the cathode chamber.
　スケールが給電体の表面に大量に付着すると、給電体に印加する電気分解のための電圧が上昇し、電解水生成装置の消費電力が増大する。また、出水管の内部にスケールが大量に付着すると、出水管が詰まり電解水素水の吐出量が低下するおそれがある。 When a large amount of scale adheres to the surface of the power supply body, the voltage for electrolysis applied to the power supply body increases, and the power consumption of the electrolyzed water generating device increases. Further, if a large amount of scale adheres to the inside of the water discharge pipe, the water discharge pipe may be clogged and the discharge amount of the electrolytic hydrogen water may be reduced.
特開２０１６－１３７４２１号公報JP 2016-137421 A
　本発明は、以上のような実状に鑑み案出されたもので、給電体の表面等に付着したスケールを除去できる電解水生成装置等を提供することを主たる目的としている。 The present invention has been devised in view of the above circumstances, and has as its main object to provide an electrolyzed water generating device and the like that can remove scales adhering to the surface of the power feeding body.
　本発明の第１発明は、水を電気分解して電解水素水を生成する電解水生成装置であって、第１給電体が配された第１極室と第２給電体が配された第２極室とが隔膜によって区分された電解槽と、前記第１給電体及び前記第２給電体に電気分解のための電流を供給する電源部と、前記第１給電体及び前記第２給電体の極性を制御する制御手段を備え、前記制御手段は、加熱されていない水が前記電解槽に供給されたとき、前記第１給電体を陰極にすると共に前記第２給電体を陽極とし、加熱された熱水が前記電解槽に供給されたとき、前記第１給電体を陽極にすると共に前記第２給電体を陰極とすることを特徴とする。 A first invention of the present invention is an electrolyzed water generating device that electrolyzes water to generate electrolyzed hydrogen water, wherein the first electrode chamber in which the first power feeder is disposed and the second power feeder is disposed in the first electrode chamber. An electrolytic cell in which a bipolar chamber is divided by a diaphragm, a power supply unit that supplies current for electrolysis to the first power supply body and the second power supply body, and the first power supply body and the second power supply body Control means for controlling the polarity of the first feed body as a cathode and the second feed body as an anode when unheated water is supplied to the electrolytic cell. When the heated water is supplied to the electrolytic cell, the first power feeding body is used as an anode and the second power feeding body is used as a cathode.
　本発明の第２発明の水処理装置は、前記電解水生成装置と、前記熱水を生成し、前記電解水生成装置に供給する前処理装置とを備えたことを特徴とする。 The water treatment device of the second invention of the present invention is characterized by comprising the electrolyzed water generating device and a pretreatment device that generates the hot water and supplies it to the electrolyzed water generating device.
　本発明の第３発明の透析液調製用水の製造装置は、前記水処理装置を備え、前記前処理装置は、原水を軟水化して前記電解水生成装置に供給可能であることを特徴とする。 The dialysate preparation water production apparatus according to the third aspect of the present invention includes the water treatment device, and the pretreatment device can soften raw water and supply it to the electrolyzed water generation device.
　本発明に係る前記製造装置において、前記電解水素水を浄化する後処理装置と、前記熱水を前記前処理装置、前記電解水生成装置及び前記後処理装置の間で循環させる循環水路とをさらに備えることが望ましい。 In the manufacturing apparatus according to the present invention, a post-treatment device that purifies the electrolytic hydrogen water, and a circulation channel that circulates the hot water among the pre-treatment device, the electrolyzed water generation device, and the post-treatment device. It is desirable to provide.
　本発明の第４発明の水素水サーバーは、前記電解水生成装置と、前記電解水素水を貯えるタンクとを備え、前記タンク内の水を加熱するヒーターと、前記熱水を前記タンク及び前記電解水生成装置の間で循環させる循環水路とをさらに備えることを特徴とする。 A hydrogen water server according to a fourth aspect of the present invention includes the electrolyzed water generating device and a tank that stores the electrolyzed hydrogen water, a heater that heats water in the tank, the hot water from the tank, and the electrolyzer. It is further provided with the circulation water channel circulated between water generating apparatuses.
　本発明の第１発明の電解水生成装置では、制御手段は、加熱されていない水が電解槽に供給されたとき、第１給電体を陰極にすると共に前記第２給電体を陽極として電解電流の制御を行なう。これにより、電解水透析や飲用に適する電解水素水が、第１極室で生成される。一方、制御手段は、加熱された熱水が電解槽に供給されたとき、第１給電体を陽極にすると共に前記第２給電体を陰極として電解電流の制御を行なう。上記熱水は、電解槽等を殺菌する際に電解槽に供給される。本発明では、熱水による電解槽等の殺菌と同時に、各給電体の極性を反転させて電解槽内の水を電気分解することにより、第１給電体の表面等に付着したスケールを除去できる。 In the electrolyzed water generating apparatus according to the first aspect of the present invention, when the unheated water is supplied to the electrolyzer, the control means uses the first power feeding body as a cathode and the second feeding body as an anode for electrolysis current. Control. Thereby, the electrolysis hydrogen water suitable for electrolysis water dialysis and drinking is produced | generated in a 1st pole chamber. On the other hand, when the heated hot water is supplied to the electrolytic cell, the control means controls the electrolysis current using the first power feeding body as an anode and the second power feeding body as a cathode. The hot water is supplied to the electrolytic cell when the electrolytic cell or the like is sterilized. In the present invention, simultaneously with the sterilization of the electrolytic cell or the like with hot water, the scale attached to the surface or the like of the first power supply can be removed by reversing the polarity of each power supply and electrolyzing the water in the electrolytic cell. .
　本発明の第２発明の水処理装置では、前処理装置が熱水を生成し電解水生成装置に供給する。従って、電解水生成装置の構成が簡素化される。例えば、熱水を生成する機能が搭載されていない従来構成の電解水生成装置を用いて水処理装置を安価に構成することが可能となる。 In the water treatment device according to the second aspect of the present invention, the pretreatment device generates hot water and supplies it to the electrolyzed water generation device. Therefore, the configuration of the electrolyzed water generating device is simplified. For example, it is possible to configure the water treatment device at low cost by using a conventional electrolyzed water generation device that is not equipped with a function for generating hot water.
　本発明の第３発明の透析液調製用水の製造装置では、前処理装置は、原水を軟水化する機能を有する。これにより、容易に透析液調製用に適した電解水素水を製造することが可能となる。また、熱水による製造装置内の水路の殺菌と同時に、各給電体の極性を反転させて電解槽内の水を電気分解することにより、給電体の表面等に付着したスケールを除去できる。 In the water for preparing dialysate preparation water of the third invention of the present invention, the pretreatment device has a function of softening raw water. This makes it possible to easily produce electrolytic hydrogen water suitable for dialysate preparation. Further, simultaneously with the sterilization of the water channel in the manufacturing apparatus with hot water, the scale attached to the surface of the power supply body can be removed by reversing the polarity of each power supply body and electrolyzing the water in the electrolytic cell.
　本発明の第４発明の水素水サーバーでは、電解水生成装置と、電解水素水を貯えるタンクと、タンク内の水を加熱するヒーターと、熱水をタンク及び電解水生成装置の間で循環させる循環水路とを備える。これにより、熱水による水素水サーバー内の水路の殺菌と同時に、各給電体の極性を反転させて電解槽内の水を電気分解することにより、給電体の表面等に付着したスケールを除去できる。 In the hydrogen water server according to the fourth aspect of the present invention, the electrolyzed water generating device, the tank for storing the electrolyzed hydrogen water, the heater for heating the water in the tank, and the hot water are circulated between the tank and the electrolyzed water generating device. A circulation channel. As a result, the scale attached to the surface of the power supply body can be removed by sterilizing the water channel in the hydrogen water server with hot water and simultaneously reversing the polarity of each power supply body to electrolyze the water in the electrolytic cell. .
本発明の電解水生成装置を含む透析液調製用水の製造装置の一実施形態の概略構成を示すブロック図である。It is a block diagram which shows schematic structure of one Embodiment of the manufacturing apparatus of the dialysate preparation water containing the electrolyzed water generating apparatus of this invention. 図１の電解水生成装置を含む水処理装置の電気的構成を示すブロック図である。It is a block diagram which shows the electrical constitution of the water treatment apparatus containing the electrolyzed water generating apparatus of FIG. 図１の製造装置において、加熱されていない水が電解槽に供給されたときの電解水生成装置等の動作を示すブロック図である。In the manufacturing apparatus of FIG. 1, it is a block diagram which shows operation | movement of an electrolyzed water generating apparatus etc. when the water which is not heated is supplied to the electrolytic cell. 図１の製造装置において、加熱された水が電解槽に供給されたときの電解水生成装置等の動作を示すブロック図である。FIG. 2 is a block diagram showing the operation of the electrolyzed water generating device and the like when heated water is supplied to the electrolytic cell in the manufacturing apparatus of FIG. 1. 本発明の電解水生成装置を含む水素水サーバーの一実施形態の概略構成を示すブロック図である。It is a block diagram which shows schematic structure of one Embodiment of the hydrogenous water server containing the electrolyzed water generating apparatus of this invention. 図５の水素水サーバーにおいて、加熱されていない水が電解槽に供給されたときの電解水生成装置等の動作を示すブロック図である。FIG. 6 is a block diagram showing the operation of the electrolyzed water generating device and the like when unheated water is supplied to the electrolyzer in the hydrogen water server of FIG. 5. 図５の水素水サーバーにおいて、加熱された水が電解槽に供給されたときの電解水生成装置等の動作を示すブロック図である。FIG. 6 is a block diagram showing the operation of the electrolyzed water generating device and the like when heated water is supplied to the electrolyzer in the hydrogen water server of FIG. 5.
（第１実施形態）
　以下、本発明の実施の一形態が図面に基づき説明される。
　図１は、本実施形態の電解水生成装置１を含む透析液調製用水の製造装置１００（以下、単に製造装置１００と記す）の概略構成を示している。製造装置１００は、前処理装置２００、電解水生成装置１及び後処理装置３００を含んでいる。電解水生成装置１は、前処理装置２００及び後処理装置３００と組み合わされることなく、単独でも実施可能であり、前処理装置２００及び後処理装置３００以外の装置と組み合わせても実施可能である。 (First embodiment)
Hereinafter, an embodiment of the present invention will be described with reference to the drawings.
FIG. 1 shows a schematic configuration of a dialysate preparation water manufacturing apparatus 100 (hereinafter simply referred to as a manufacturing apparatus 100) including an electrolyzed water generating apparatus 1 of the present embodiment. The manufacturing apparatus 100 includes a pretreatment device 200, an electrolyzed water generation device 1, and a posttreatment device 300. The electrolyzed water generating apparatus 1 can be implemented alone without being combined with the pretreatment apparatus 200 and the posttreatment apparatus 300, and can also be implemented with a combination with apparatuses other than the pretreatment apparatus 200 and the posttreatment apparatus 300.
　前処理装置２００と、電解水生成装置１とによって、水処理装置２５０が構成される。水処理装置２５０は、原水から電解水素水を生成し、後処理装置３００に供給する。水処理装置２５０は、後処理装置３００と組み合わされることなく、単独でも実施可能であり、後処理装置３００以外の装置と組み合わせて実施可能である。 The water treatment device 250 is configured by the pretreatment device 200 and the electrolyzed water generation device 1. The water treatment device 250 generates electrolytic hydrogen water from raw water and supplies it to the post-treatment device 300. The water treatment apparatus 250 can be implemented alone without being combined with the post-treatment apparatus 300, and can be implemented in combination with apparatuses other than the post-treatment apparatus 300.
　前処理装置２００は、電解水生成装置１の上流側に設置されている。前処理装置２００は、タンク２０１と、軟水化装置２０２と、活性炭処理装置２０３と、ヒーター２０４とを含む。 The pretreatment device 200 is installed on the upstream side of the electrolyzed water generating device 1. The pretreatment device 200 includes a tank 201, a water softening device 202, an activated carbon treatment device 203, and a heater 204.
　タンク２０１は、前処理装置２００の外部から供給された原水を貯える。原水には、一般的には水道水が利用されるが、その他、例えば、井戸水、地下水等を用いることができる。軟水化装置２０２は、原水からカルシウムイオン及びマグネシウムイオン等の硬度成分を除去して軟水化する。活性炭処理装置２０３は、微細な多孔質物質である活性炭を用いて軟水から塩素等を吸着・除去する。前処理装置２００によって処理された水は、水路５０１を介して電解水生成装置１に供給される。なお、水路５０１には、上流側での接続先を活性炭処理装置２０３又はヒーター２０４に切り替えるための弁５１０が配されている。 The tank 201 stores raw water supplied from the outside of the pretreatment device 200. As the raw water, tap water is generally used, but well water, ground water, and the like can be used. The water softening device 202 removes hardness components such as calcium ions and magnesium ions from the raw water to soften the water. The activated carbon treatment apparatus 203 adsorbs and removes chlorine and the like from soft water using activated carbon which is a fine porous material. The water treated by the pretreatment device 200 is supplied to the electrolyzed water generating device 1 through the water channel 501. The water channel 501 is provided with a valve 510 for switching the connection destination on the upstream side to the activated carbon treatment apparatus 203 or the heater 204.
　ヒーター２０４は、タンク２０１から供給される水を、例えば、７５℃以上に加熱し、熱水を生成する。 The heater 204 heats the water supplied from the tank 201 to, for example, 75 ° C. or higher to generate hot water.
　電解水生成装置１は、前処理装置２００から供給された水を電気分解して電解水素水を生成する。電解水生成装置１は、第１給電体４１が配された第１極室４０Ａと第２給電体４２が配された第２極室４０Ｂとが隔膜４３によって区分された電解槽４を備える。 The electrolyzed water generating apparatus 1 electrolyzes the water supplied from the pretreatment apparatus 200 to generate electrolyzed hydrogen water. The electrolyzed water generating apparatus 1 includes an electrolytic cell 4 in which a first electrode chamber 40A in which a first power feeding body 41 is disposed and a second electrode chamber 40B in which a second power feeding body 42 is disposed are separated by a diaphragm 43.
　第１給電体４１と第２給電体４２とは、極性が異なる。すなわち、第１給電体４１及び第２給電体４２の一方は陽極給電体として適用され、他方は陰極給電体として適用される。電解室４０の第１極室４０Ａ及び第２極室４０Ｂの両方に水が供給され、第１給電体４１及び第２給電体４２に直流電圧が印加されることにより、電解室４０内で水の電気分解が生ずる。 The first power supply body 41 and the second power supply body 42 have different polarities. That is, one of the first power feeding body 41 and the second power feeding body 42 is applied as an anode power feeding body, and the other is applied as a cathode power feeding body. 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.
　隔膜４３には、例えば、スルホン酸基を有するフッ素系樹脂からなる固体高分子膜等が適宜用いられている。隔膜４３の両面には、白金からなるめっき層が形成されている。隔膜４３のめっき層と第１給電体４１及び第２給電体４２とは、当接し、電気的に接続される。隔膜４３は、電気分解で生じたイオンを通過させる。隔膜４３を介して第１給電体４１と第２給電体４２とが電気的に接続される。 For 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.
　電解室４０内で水が電気分解されることにより、水素ガス及び酸素ガスが発生する。例えば、第１給電体４１が陰極給電体として適用される場合、第１極室４０Ａでは、水素ガスが発生し、水素ガスが溶け込んだ水素水が生成される。このような電気分解を伴って生成された水素水は、「電解水素水」と称される。一方、第２極室４０Ｂでは、酸素ガスが発生し、酸素ガスが溶け込んだ「電解酸素水」が生成される。第１給電体４１が陽極給電体として適用される場合、第１極室４０Ａでは、酸素ガスが発生し、酸素ガスが溶け込んだ電解酸素水が生成される。一方、第２極室４０Ｂでは、水素ガスが発生し、水素ガスが溶け込んだ電解水素水が生成される。 Electrolysis of water in the electrolysis chamber 40 generates hydrogen gas and oxygen gas. For example, when the first power supply 41 is applied as a cathode power supply, hydrogen gas is generated in the first electrode chamber 40A, and hydrogen water in which the hydrogen gas is dissolved is generated. The hydrogen water generated with such electrolysis is referred to as “electrolytic hydrogen water”. On the other hand, in the second electrode chamber 40B, oxygen gas is generated, and “electrolytic oxygen water” in which the oxygen gas is dissolved is generated. When 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. On the other hand, in the second electrode chamber 40B, hydrogen gas is generated, and electrolytic hydrogen water in which the hydrogen gas is dissolved is generated.
　図２は、電解水生成装置１を含む水処理装置２５０の電気的構成を示している。電解水生成装置１は、上記第１給電体４１及び第２給電体４２と、第１給電体４１及び第２給電体４２に電気分解のための電流を供給する電源部５と、電源部５を制御する制御手段６とを備える。 FIG. 2 shows an electrical configuration of the water treatment apparatus 250 including the electrolyzed water generating apparatus 1. The electrolyzed water generating apparatus 1 includes a first power supply 41 and a second power supply 42, a power supply 5 that supplies current for electrolysis to the first power supply 41 and the second power supply 42, and a power supply 5. And control means 6 for controlling.
　電源部５は、第１給電体４１及び第２給電体４２の他、電解水生成装置１の各部に電力を供給する。制御手段６は、電源部５の他、電解水生成装置１の各部の制御を司る。 The power supply unit 5 supplies power to each unit of the electrolyzed water generating apparatus 1 in addition to the first power supply body 41 and the second power supply body 42. The control means 6 controls each part of the electrolyzed water generating apparatus 1 in addition to the power supply part 5.
　制御手段６は、例えば、各種の演算処理、情報処理等を実行するＣＰＵ（Central Processing Unit）及びＣＰＵの動作を司るプログラム及び各種の情報を記憶するメモリ等を有している。第１給電体４１と電源部５との間の電流供給ラインには、電流検出手段４４が設けられている。電流検出手段４４は、第２給電体４２と電源部５との間の電流供給ラインに設けられていてもよい。電流検出手段４４は、第１給電体４１、第２給電体４２に供給する電解電流Ｉを検出し、その値に相当する電気信号を制御手段６に出力する。 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. Current detection means 44 is provided on the current supply line between the first power feeder 41 and the power supply unit 5. The current detection unit 44 may be provided in a current supply line between the second power feeder 42 and the power supply unit 5. The current detection means 44 detects the electrolysis current I supplied to the first power supply body 41 and the second power supply body 42 and outputs an electric signal corresponding to the value to the control means 6.
　制御手段６は、例えば、電流検出手段４４から出力された電気信号に基づいて、電源部５が第１給電体４１及び第２給電体４２に印加する直流電圧を制御する。より具体的には、制御手段６は、予め設定された溶存水素濃度に応じて、電流検出手段４４によって検出される電解電流Ｉが所望の値となるように、電源部５が第１給電体４１及び第２給電体４２に印加する直流電圧をフィードバック制御する。例えば、電解電流Ｉが過大である場合、制御手段６は、上記電圧を減少させ、電解電流Ｉが過小である場合、制御手段６は、上記電圧を増加させる。これにより、電源部５が第１給電体４１及び第２給電体４２に供給する電解電流Ｉが適切に制御される。 The control means 6 controls the DC voltage that the power supply unit 5 applies to the first power supply body 41 and the second power supply body 42 based on, for example, the electrical signal output from the current detection means 44. More specifically, the control unit 6 determines that the power supply unit 5 has the first power feeder so that the electrolysis current I detected by the current detection unit 44 becomes a desired value according to a preset dissolved hydrogen concentration. The DC voltage applied to 41 and the second power feeder 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 from the power supply unit 5 to the first power supply body 41 and the second power supply body 42 is appropriately controlled.
　図１に示されるように、後処理装置３００は、電解水生成装置１の下流側に設置されている。後処理装置３００は、水路５０２を介して電解水生成装置１の第１極室４０Ａと接続されている。従って、後処理装置３００には、第１極室４０Ａで生成された電解水素水が供給される。なお、第２極室４０Ｂで副次的に生成された電解酸素水は、水路５０３を介して排水として電解水生成装置１の外部に排出される。 As shown in FIG. 1, the post-treatment device 300 is installed on the downstream side of the electrolyzed water generating device 1. The post-treatment device 300 is connected to the first electrode chamber 40 </ b> A of the electrolyzed water generating device 1 through the water channel 502. Therefore, the post-treatment device 300 is supplied with the electrolytic hydrogen water generated in the first electrode chamber 40A. In addition, the electrolyzed oxygen water produced | generated by the secondary in the 2nd pole chamber 40B is discharged | emitted outside the electrolyzed water generating apparatus 1 as a waste_water | drain through the water channel 503. FIG.
　後処理装置３００は、逆浸透膜処理装置３０１と、タンク３０２とを含む。逆浸透膜処理装置３０１は、逆浸透膜（図示せず）を用いて電解水素水を浄化する。逆浸透膜によって浄化処理された電解水素水は、例えば、透析液調製用水の浄化基準であるＩＳＯ１３９５９の基準を満たし、透析液調製用水として透析原剤の希釈等に用いられる。 The post-treatment device 300 includes a reverse osmosis membrane treatment device 301 and a tank 302. The reverse osmosis membrane treatment apparatus 301 purifies the electrolytic hydrogen water using a reverse osmosis membrane (not shown). The electrolytic hydrogen water purified by the reverse osmosis membrane satisfies, for example, the standard of ISO 13959, which is a purification standard for dialysate preparation water, and is used as a dialysate preparation water for diluting a dialysis agent.
　タンク３０２は、逆浸透膜処理装置３０１によって浄化された電解水素水（ＲＯ電解水）を貯える。タンク３０２に貯えられた電解水素水は、水路５０４を介して希釈装置（図示せず）に供給される。 The tank 302 stores electrolyzed hydrogen water (RO electrolyzed water) purified by the reverse osmosis membrane treatment apparatus 301. The electrolytic hydrogen water stored in the tank 302 is supplied to a diluting device (not shown) through the water channel 504.
　タンク３０２とヒーター２０４とは、水路５０５によって接続されている。水路５０１、５０２及び５０５等によって前処理装置２００、電解水生成装置１及び後処理装置３００の間で、熱水を循環させる循環水路５０６が構成される。なお、水路５０５には、熱水を駆動するためのポンプ（図示せず）が配されている。 The tank 302 and the heater 204 are connected by a water channel 505. A circulation channel 506 for circulating hot water is constituted between the pretreatment device 200, the electrolyzed water generating device 1, and the post-treatment device 300 by the water channels 501, 502, 505, and the like. The water channel 505 is provided with a pump (not shown) for driving hot water.
　制御手段６（図２参照）は、電解水生成装置１の動作モードに応じて、第１給電体４１及び第２給電体４２の極性を制御する。電解水生成装置１の動作モードには、第１極室４０Ａで電解水素水を生成する「水素水生成モード」と、循環水路５０６を循環する熱水で電解槽４等を殺菌する「殺菌モード」が含まれる。 The control means 6 (see FIG. 2) controls the polarities of the first power feeding body 41 and the second power feeding body 42 in accordance with the operation mode of the electrolyzed water generating device 1. The operation mode of the electrolyzed water generating device 1 includes a “hydrogen water generating mode” for generating electrolyzed hydrogen water in the first electrode chamber 40A, and a “sterilizing mode” for sterilizing the electrolyzer 4 and the like with hot water circulating in the circulation water channel 506. Is included.
　図３は、水素水生成モードでの製造装置１００の動作を示している。同図では、水が満たされている構成及び水路が薄いハッチングで表示されている。また、図４は、殺菌モードでの製造装置１００の動作を示している。同図では、熱水が満たされている構成及び水路が薄いハッチングで表示されている。なお、水路の要所における水又は熱水の流れは、図中矢印にて表示されている（図６及び７においても同様）。 FIG. 3 shows the operation of the manufacturing apparatus 100 in the hydrogen water generation mode. In the figure, the structure filled with water and the water channel are indicated by thin hatching. FIG. 4 shows the operation of the manufacturing apparatus 100 in the sterilization mode. In the figure, the configuration filled with hot water and the water channel are indicated by thin hatching. In addition, the flow of the water or the hot water in the important point of the water channel is indicated by an arrow in the figure (the same applies to FIGS. 6 and 7).
　電解水生成装置１は、加熱されていない水が電解槽４に供給されたとき、水素水生成モードで動作し、加熱された熱水が電解槽４に供給されたとき、殺菌モードで動作する。電解槽４に供給された水が加熱されているか否かについては、例えば、前処理装置２００から入力される電気信号に基づいて制御手段６によって判断されうる。また、水路５０１に水温センサーが設けられ、その出力信号に基づいて制御手段６によって判断される構成でもよい。 The electrolyzed water generating device 1 operates in a hydrogen water generating mode when unheated water is supplied to the electrolyzer 4, and operates in a sterilization mode when heated hot water is supplied to the electrolyzer 4. . Whether or not the water supplied to the electrolytic cell 4 is heated can be determined by the control means 6 based on an electrical signal input from the pretreatment device 200, for example. Further, a configuration in which a water temperature sensor is provided in the water channel 501 and the control unit 6 determines based on the output signal may be used.
　図３に示されるように、活性炭処理装置２０３と電解槽４とが接続され、加熱されていない水が電解槽４に供給されたとき、制御手段６は、第１給電体４１を陰極として、電解電流Ｉの制御を行なう。これにより、電解水透析に適する電解水素水が、第１極室４０Ａで生成される。 As shown in FIG. 3, when the activated carbon treatment apparatus 203 and the electrolytic cell 4 are connected and unheated water is supplied to the electrolytic cell 4, the control means 6 uses the first power supply body 41 as a cathode, The electrolytic current I is controlled. Thereby, the electrolysis hydrogen water suitable for electrolysis water dialysis is produced | generated in 40 A of 1st pole chambers.
　一方、図４に示されるように、ヒーター２０４と電解槽４とが接続され、ヒーター２０４によって加熱された熱水が電解槽４に供給されたとき、制御手段６は、第１給電体４１を陽極として電解電流Ｉの制御を行なう。上記熱水は、電解槽４等を殺菌する際に電解槽４に供給される。本発明では、熱水による電解槽４等の殺菌と同時に、各給電体４１、４２の極性を反転させて電解槽４内の水を電気分解することにより、第１給電体４１の表面等に付着したスケールを除去できる。この殺菌モードにおいては、熱水が循環水路５０６を介してヒーター２０４、電解槽４、逆浸透膜処理装置３０１及びタンク３０２を循環するので、水路５０１、５０２、電解槽４、逆浸透膜処理装置３０１及びタンク３０２等が熱水によって殺菌される。 On the other hand, as shown in FIG. 4, when the heater 204 and the electrolytic cell 4 are connected and hot water heated by the heater 204 is supplied to the electrolytic cell 4, the control means 6 The electrolytic current I is controlled as an anode. The hot water is supplied to the electrolytic cell 4 when the electrolytic cell 4 or the like is sterilized. In the present invention, simultaneously with the sterilization of the electrolytic cell 4 or the like with hot water, the polarity of each of the power feeding bodies 41 and 42 is reversed and the water in the electrolytic cell 4 is electrolyzed, so that the surface of the first power feeding body 41 is The attached scale can be removed. In this sterilization mode, hot water circulates through the heater 204, the electrolytic cell 4, the reverse osmosis membrane treatment device 301 and the tank 302 via the circulation water channel 506, so that the water channels 501, 502, the electrolytic cell 4, the reverse osmosis membrane treatment device. 301, the tank 302, etc. are sterilized with hot water.
　本実施形態の水処理装置２５０では、前処理装置２００に配されたヒーター２０４が熱水を生成し電解水生成装置１に供給する。従って、電解水生成装置１の構成が簡素化される。例えば、熱水を生成する機能が搭載されていない従来構成の電解水生成装置１を用いて水処理装置２５０を安価に構成することが可能となる。 In the water treatment apparatus 250 of this embodiment, the heater 204 disposed in the pretreatment apparatus 200 generates hot water and supplies it to the electrolyzed water generation apparatus 1. Therefore, the structure of the electrolyzed water generating apparatus 1 is simplified. For example, the water treatment apparatus 250 can be configured at low cost using the electrolyzed water generation apparatus 1 having a conventional configuration that is not equipped with a function for generating hot water.
　なお、製造装置１００において、水路５０５は省略されていてもよい。この場合、殺菌モードでは、タンク２０１に貯えられた水がヒーター２０４によって加熱され、熱水となって製造装置１００の各部を通過して、水路５０３及び５０４から排出される。 In the manufacturing apparatus 100, the water channel 505 may be omitted. In this case, in the sterilization mode, the water stored in the tank 201 is heated by the heater 204, becomes hot water, passes through each part of the manufacturing apparatus 100, and is discharged from the water channels 503 and 504.
（第２実施形態）
　図５は、本発明の実施形態である電解水生成装置１を含む水素水サーバー６００の構成を示している。水素水サーバー６００は、電解水生成装置１と、フィルター６０１と、タンク６０２と、ヒーター６０３とを備えている。電解水生成装置１は、水素水サーバー６００以外の装置にも適用可能である。 (Second Embodiment)
FIG. 5 shows a configuration of a hydrogen water server 600 including the electrolyzed water generating apparatus 1 according to the embodiment of the present invention. The hydrogen water server 600 includes an electrolyzed water generator 1, a filter 601, a tank 602, and a heater 603. The electrolyzed water generating apparatus 1 can be applied to apparatuses other than the hydrogen water server 600.
　フィルター６０１は、水素水サーバー６００の外部から供給される原水を濾過してタンク６０２に供給する。タンク６０２は、電解水生成装置１に電気分解のための水を供給する。 The filter 601 filters raw water supplied from the outside of the hydrogen water server 600 and supplies it to the tank 602. The tank 602 supplies water for electrolysis to the electrolyzed water generator 1.
　電解水生成装置１の構成は、上記製造装置１００に含まれる電解水生成装置１と同等である。すなわち、電解水生成装置１は、第１給電体４１が配された第１極室４０Ａと第２給電体４２が配された第２極室４０Ｂとが隔膜４３によって区分された電解槽４を備え、その電気的構成は、図２に示される。 The configuration of the electrolyzed water generating apparatus 1 is the same as that of the electrolyzed water generating apparatus 1 included in the manufacturing apparatus 100. That is, the electrolyzed water generating apparatus 1 includes the electrolytic cell 4 in which the first electrode chamber 40A in which the first power feeding body 41 is disposed and the second electrode chamber 40B in which the second power feeding body 42 is disposed are separated by the diaphragm 43. The electrical configuration is shown in FIG.
　タンク６０２と電解槽４とは、水路７０１、７０２、７０３によって接続されている。水路７０１は、水路７０１Ａと水路７０１Ｂに分岐する。水路７０１Ａは、電解槽４の上流側で第１極室４０Ａと接続されている。水路７０１Ｂは、電解槽４の上流側で第２極室４０Ｂと接続されている。本実施形態では、水路７０１Ｂには、第２極室４０Ｂに供給される水を制限するための絞り弁７０４が設けられている。 The tank 602 and the electrolytic cell 4 are connected by water channels 701, 702, and 703. The water channel 701 branches into a water channel 701A and a water channel 701B. The water channel 701 </ b> A is connected to the first electrode chamber 40 </ b> A on the upstream side of the electrolytic cell 4. The water channel 701 </ b> B is connected to the second electrode chamber 40 </ b> B on the upstream side of the electrolytic cell 4. In the present embodiment, the water channel 701B is provided with a throttle valve 704 for limiting the water supplied to the second pole chamber 40B.
　また、水路７０２は、電解槽４の下流側で第１極室４０Ａと接続されている。水路７０３は、電解槽４の下流側で第２極室４０Ｂと接続されている。水路７０１、７０２、７０３によって、タンク６０２と電解水生成装置１との間で水を循環させる循環水路７０６が構成される。 The water channel 702 is connected to the first electrode chamber 40A on the downstream side of the electrolytic cell 4. The water channel 703 is connected to the second electrode chamber 40 </ b> B on the downstream side of the electrolytic cell 4. The water channels 701, 702, and 703 constitute a circulation water channel 706 that circulates water between the tank 602 and the electrolyzed water generator 1.
　第１極室４０Ａで生成される電解水素水は、水路７０２を介してタンク６０２に戻される。タンク６０２に貯えられている水を循環させながら電解槽４で電気分解することにより、タンク６０２内の電解水素水の溶存水素濃度が高められる。 The electrolytic hydrogen water generated in the first electrode chamber 40A is returned to the tank 602 through the water channel 702. By electrolyzing in the electrolytic cell 4 while circulating the water stored in the tank 602, the dissolved hydrogen concentration in the electrolytic hydrogen water in the tank 602 is increased.
　タンク６０２には、水路７０７が接続されている。水路７０７を介して電解水素水が水素水サーバー６００の外部に取り出される。水路７０７に替えて、第１極室４０Ａ又は水路７０２に電解水素水を取り出すための水路が接続されていてもよい。タンク６０２に貯えられている電解水素水が消費されると、フィルター６０１で濾過された原水がタンク６０２に供給される。 A water channel 707 is connected to the tank 602. Electrolyzed hydrogen water is taken out of the hydrogen water server 600 through the water channel 707. Instead of the water channel 707, a water channel for taking out electrolytic hydrogen water may be connected to the first electrode chamber 40A or the water channel 702. When the electrolytic hydrogen water stored in the tank 602 is consumed, the raw water filtered by the filter 601 is supplied to the tank 602.
　ヒーター６０３は、タンク６０２内の水を加熱する。ヒーター６０３は、例えば、タンク６０２の側壁に設けられている。ヒーター６０３は、循環水路７０６に設けられていてもよい。 The heater 603 heats the water in the tank 602. The heater 603 is provided on the side wall of the tank 602, for example. The heater 603 may be provided in the circulation water channel 706.
　制御手段６（図２参照）は、電解水生成装置１の動作モードに応じて、第１給電体４１及び第２給電体４２の極性を制御する。電解水生成装置１の動作モードには、第１極室４０Ａで電解水素水を生成する「水素水生成モード」と、循環水路７０６を循環する熱水で電解槽４等を殺菌する「殺菌モード」が含まれる。 The control means 6 (see FIG. 2) controls the polarities of the first power feeding body 41 and the second power feeding body 42 in accordance with the operation mode of the electrolyzed water generating device 1. The operation mode of the electrolyzed water generating apparatus 1 includes a “hydrogen water generating mode” for generating electrolyzed hydrogen water in the first polar chamber 40A, and a “sterilizing mode” for sterilizing the electrolyzer 4 and the like with hot water circulating in the circulation water channel 706. Is included.
　図６は、水素水生成モードでの水素水サーバー６００の動作を示している。同図では、水が満たされている構成及び水路が薄いハッチングで表示されている。また、図７は、殺菌モードでの水素水サーバー６００の動作を示している。同図では、熱水が満たされている構成及び水路が薄いハッチングで表示されている。 FIG. 6 shows the operation of the hydrogen water server 600 in the hydrogen water generation mode. In the figure, the structure filled with water and the water channel are indicated by thin hatching. FIG. 7 shows the operation of the hydrogen water server 600 in the sterilization mode. In the figure, the configuration filled with hot water and the water channel are indicated by thin hatching.
　電解水生成装置１は、加熱されていない水が電解槽４に供給されたとき、水素水生成モードで動作し、加熱された熱水が電解槽４に供給されたとき、殺菌モードで動作する。電解槽４に供給された水が加熱されているか否かについては、例えば、制御手段６がヒーター６０３の動作を司ることにより、判断されうる。 The electrolyzed water generating device 1 operates in a hydrogen water generating mode when unheated water is supplied to the electrolyzer 4, and operates in a sterilization mode when heated hot water is supplied to the electrolyzer 4. . Whether or not the water supplied to the electrolytic cell 4 is heated can be determined, for example, by the control means 6 governing the operation of the heater 603.
　図６に示されるように、加熱されていない水が電解槽４の第１極室４０Ａ及び第２極室４０Ｂに供給されたとき、制御手段６は、第１給電体４１を陰極にすると共に前記第２給電体を陽極として、電解電流Ｉの制御を行なう。これにより、飲用に適する電解水素水が、第１極室４０Ａで生成される。なお、水素水生成モードでは、絞り弁７０４によって第２極室４０Ｂに供給される水が制限されるので、第２極室４０Ｂで生成される電解酸素水がタンク６０２に戻ることが抑制される。これにより、タンク６０２内の電解水の溶存水素濃度が効率よく高められる。 As shown in FIG. 6, when unheated water is supplied to the first electrode chamber 40 </ b> A and the second electrode chamber 40 </ b> B of the electrolytic cell 4, the control means 6 makes the first power supply body 41 a cathode and The electrolytic current I is controlled using the second power feeder as an anode. Thereby, the electrolytic hydrogen water suitable for drinking is produced | generated in 40 A of 1st pole chambers. In the hydrogen water generation mode, the water supplied to the second electrode chamber 40B is limited by the throttle valve 704, so that the electrolytic oxygen water generated in the second electrode chamber 40B is suppressed from returning to the tank 602. . Thereby, the dissolved hydrogen concentration of the electrolyzed water in the tank 602 is efficiently increased.
　一方、図７に示されるように、加熱された熱水が電解槽４の第１極室４０Ａ及び第２極室４０Ｂに供給されたとき、制御手段６は、第１給電体４１を陽極にすると共に前記第２給電体を陰極として電解電流Ｉの制御を行なう。上記熱水は、電解槽４等を殺菌するために電解槽４に供給される。このとき、絞り弁７０４は開放され、第２極室４０Ｂにも熱水が供給される。すなわち、熱水が循環水路７０６を介してヒーター６０３、電解槽４、絞り弁７０４を循環することにより、水路７０１、７０２、７０３、電解槽４及び絞り弁７０４等が熱水によって殺菌される。さらに、本発明では、熱水による水素水サーバー６００内の殺菌と同時に、各給電体４１、４２の極性を反転させて電解槽４内の水を電気分解することにより、第１給電体４１の表面等に付着したスケールを除去できる。 On the other hand, as shown in FIG. 7, when heated hot water is supplied to the first electrode chamber 40 </ b> A and the second electrode chamber 40 </ b> B of the electrolytic cell 4, the control means 6 uses the first power supply body 41 as an anode. At the same time, the electrolysis current I is controlled using the second power feeder as a cathode. The hot water is supplied to the electrolytic cell 4 in order to sterilize the electrolytic cell 4 and the like. At this time, the throttle valve 704 is opened, and hot water is also supplied to the second pole chamber 40B. That is, when hot water circulates through the heater 603, the electrolytic cell 4, and the throttle valve 704 through the circulation water channel 706, the water channels 701, 702, 703, the electrolytic cell 4, the throttle valve 704, and the like are sterilized with hot water. Furthermore, in the present invention, simultaneously with the sterilization of the hydrogen water server 600 with hot water, the polarity of each power feeding body 41, 42 is reversed to electrolyze the water in the electrolytic cell 4, thereby The scale attached to the surface can be removed.
　以上、本実施形態の電解水生成装置１等が詳細に説明されたが、本発明は上記の具体的な実施形態に限定されることなく種々の態様に変更して実施される。すなわち、電解水生成装置１は、少なくとも、第１給電体４１が配された第１極室４０Ａと第２給電体４２が配された第２極室４０Ｂとが隔膜４３によって区分された電解槽４と、第１給電体４１及び第２給電体４２に電気分解のための電流を供給する電源部５と、第１給電体４１及び第２給電体４２の極性を制御する制御手段６とを備え、制御手段６は、加熱されていない水が電解槽４に供給されたとき、第１給電体４１を陰極にすると共に前記第２給電体を陽極とし、加熱された熱水が電解槽４に供給されたとき、第１給電体４１を陽極にすると共に前記第２給電体を陰極とするように構成されていればよい。 As described above, the electrolyzed water generating apparatus 1 and the like of the present embodiment have been described in detail. However, the present invention is not limited to the specific embodiment described above, and can be implemented in various forms. That is, the electrolyzed water generating apparatus 1 includes an electrolytic cell in which at least a first electrode chamber 40A in which a first power feeding body 41 is disposed and a second electrode chamber 40B in which a second power feeding body 42 is disposed are separated by a diaphragm 43. 4, a power supply unit 5 that supplies current for electrolysis to the first power supply body 41 and the second power supply body 42, and a control means 6 that controls the polarities of the first power supply body 41 and the second power supply body 42. The control means 6 includes a first feeding body 41 as a cathode and the second feeding body as an anode when unheated water is supplied to the electrolytic cell 4. When the first power supply body 41 is used as an anode, the second power supply body may be used as a cathode.
　１　　電解水生成装置
　４　　電解槽
　５　　電源部
　６　　制御手段
　７　　出水管
４０Ａ　第１極室
４０Ｂ　第２極室
４１　　第１給電体
４２　　第２給電体
４３　　隔膜
１００　製造装置
２００　前処理装置
２５０　水処理装置
３００　後処理装置
５０６　循環水路
６００　水素水サーバー
６０２　タンク
６０３　ヒーター
７０６　循環水路  DESCRIPTION OF SYMBOLS 1 Electrolyzed water production | generation apparatus 4 Electrolysis tank 5 Power supply part 6 Control means 7 Drain pipe 40A 1st electrode chamber 40B 2nd electrode chamber 41 1st electric power feeding body 42 2nd electric power feeding body 43 Diaphragm 100 Manufacturing apparatus 200 Pretreatment apparatus 250 Water treatment apparatus 300 Aftertreatment device 506 Circulating water channel 600 Hydrogen water server 602 Tank 603 Heater 706 Circulating water channel

Claims (5)

  1. 　水を電気分解して電解水素水を生成する電解水生成装置であって、
    　第１給電体が配された第１極室と第２給電体が配された第２極室とが隔膜によって区分された電解槽と、前記第１給電体及び前記第２給電体に電気分解のための電流を供給する電源部と、前記第１給電体及び前記第２給電体の極性を制御する制御手段を備え、
    　前記制御手段は、
    　加熱されていない水が前記電解槽に供給されたとき、前記第１給電体を陰極にすると共に前記第２給電体を陽極とし、
    　加熱された熱水が前記電解槽に供給されたとき、前記第１給電体を陽極にすると共に前記第２給電体を陰極とすることを特徴とする電解水生成装置。     An electrolyzed water generating device for electrolyzing water to generate electrolyzed hydrogen water,
    An electrolytic cell in which a first electrode chamber in which a first power feeder is disposed and a second electrode chamber in which a second power feeder is disposed is separated by a diaphragm, and is electrolyzed into the first power feeder and the second power feeder. A power supply unit for supplying current for the control, and control means for controlling the polarities of the first and second power feeders,
    The control means includes
    When unheated water is supplied to the electrolytic cell, the first power feeder is made a cathode and the second power feeder is made an anode,
    When heated hot water is supplied to the electrolyzer, the electrolyzed water generating apparatus is characterized in that the first power feeder is an anode and the second power feeder is a cathode.
  2. 　請求項１記載の前記電解水生成装置と、前記熱水を生成し、前記電解水生成装置に供給する前処理装置とを備えたことを特徴とする水処理装置。 A water treatment apparatus comprising: the electrolyzed water generating apparatus according to claim 1; and a pretreatment apparatus that generates the hot water and supplies the hot water to the electrolyzed water generating apparatus.
  3. 　請求項２記載の前記水処理装置を備え、
    　前記前処理装置は、原水を軟水化して前記電解水生成装置に供給可能であることを特徴とする透析液調製用水の製造装置。     The water treatment apparatus according to claim 2,
    The said pre-treatment apparatus can soften raw | natural water and can supply it to the said electrolyzed water generating apparatus, The manufacturing apparatus of the water for dialysate preparation characterized by the above-mentioned.
  4. 　前記電解水素水を浄化する後処理装置と、前記熱水を前記前処理装置、前記電解水生成装置及び前記後処理装置の間で循環させる循環水路とをさらに備える請求項３記載の透析液調製用水の製造装置。 The dialysate preparation according to claim 3, further comprising: a post-treatment device that purifies the electrolytic hydrogen water; and a circulation channel that circulates the hot water between the pre-treatment device, the electrolytic water generation device, and the post-treatment device. Water production equipment.
  5. 　請求項１記載の前記電解水生成装置と、前記電解水素水を貯えるタンクとを備えた水素水サーバーであって、
    　前記タンク内の水を加熱するヒーターと、前記熱水を前記タンク及び前記電解水生成装置の間で循環させる循環水路とをさらに備えることを特徴とする水素水サーバー。      A hydrogen water server comprising the electrolyzed water generating device according to claim 1 and a tank for storing the electrolyzed hydrogen water,
    The hydrogen water server further comprising: a heater for heating water in the tank; and a circulating water path for circulating the hot water between the tank and the electrolyzed water generating device.
PCT/JP2017/039394 2017-01-18 2017-10-31 Electrolyzed-water generation device, water treatment device, device for producing water for dialysate preparation, and hydrogen water server WO2018135080A1 (en)

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