JPH07148489A - Electrolyzed water preparing device - Google Patents

Abstract

PURPOSE:To provide an electrolyzed water preparing device wherein an electrolyzed water preparing device which can prepare simultaneously either a strongly acidic ionic water used as a sterilizing water and an alkaline ionic water or a strongly acidic ionic water and a strongly alkaline ionic water being suitable for drinking and agriculture can be selectively formed by only one electrolyzed water preparing device. CONSTITUTION:This device is provided with the first electrolytic cell 20 with two series electrolyzed water delivery pipes consisting of a cathode side delivery pipe 30 and an anode side delivery pipe 31, the second electrolytic cell 24 with a cathode side delivery pipe 33 arranged in series in such a way that the anode side delivery pipe 31 of the first electrolytic cell 20 is made to be a water feeding path and an anode side delivery pipe 34, and an additive injecting part injecting an additive such as an inorg. electrolyte into a water feeding path side of the second electrolytic cell 24.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION The present invention relates to electrolysis for electrolyzing raw water such as tap water and well water to produce alkaline electrolyzed water used for beverages and acidic electrolyzed water used as lotion, sterilizing and washing water, etc. It relates to a water generator.

[0002]

2. Description of the Related Art In recent years, instead of heat treatment, alcohol treatment, treatment with synthetic chemicals such as pesticides, as static sterilization treatment in the fields of food processing, agriculture, sewage treatment, medical treatment, etc.
The use of water obtained by electrolyzing water that is safe for the human body and can be performed at low cost is increasing.

A conventional electrolyzed water generator will be described below. FIG. 3 is a schematic view of a conventional electrolyzed water generator. Reference numeral 1 is a raw water pipe such as tap water, 2 is a faucet, 3 is an electrolyzed water generator connected to the raw water pipe 1 via a faucet 4, and 4 is activated carbon and general bacteria that adsorb residual chlorine in the raw water. Water purifier equipped with a hollow fiber membrane to remove impurities and impurities, 5 is NaCl or KC
Inorganic electrolyte addition chamber for increasing conductivity by adding 1 or the like to raw water, 6 is a flow rate sensor for detecting a water flow rate and instructing a controller section to be described later, 7 is electrolysis for electrolyzing water that has passed through the flow rate sensor 6. A tank, 8 is a diaphragm that divides the electrolytic tank 7 into two parts and has a water passage portion at the bottom to form a pair of electrode chambers, and 9 and 10 are arranged in each electrode chamber formed by being divided by the diaphragm 8 into two parts. An electrode, 11 is an anode side discharge pipe for discharging water on the side of the electrode 10 (acid ionized water because the electrode 10 becomes an anode except for cleaning), 1
Reference numeral 2 is a fixed throttle portion arranged near the joint between the electrolytic cell 7 and the anode side discharge pipe 11 for adjusting the discharge amount of water for efficiently generating alkaline ionized water, and 13 is water on the side of the electrode 9 (other than cleaning, the electrode 9 is used). Is a cathode and discharges alkaline ionized water), and 14 is a discharge solenoid valve for discharging accumulated water in the electrolytic bath 7 or cleaning water in which scale is dissolved during electrode cleaning,
Reference numeral 15 is a water discharge pipe for draining water on the electrode 10 side, accumulated water in the electrolysis tank 7 or washing water through the anode side discharge pipe 11, 16 is a cartridge sensor for detecting the presence or absence of a cartridge in the water purifier 4, and 17 is power-on. Is a power supply unit, 18 is a power supply unit that changes the AC power supplied from the power-on plug 17 into a DC power supply, and 19 is a controller unit that controls the operation of the electrolyzed water generator 3.

The operation of the conventional electrolyzed water generator configured as described above will be described below. After passing through the raw water, impurities such as residual chlorine and general bacteria in the raw water are removed by the water purifier 4, and calcium glycerophosphate, etc. are dissolved in the inorganic electrolyte addition chamber 5 and treated to water that facilitates electrolysis, and then the flow rate sensor Water is passed to the electrolytic cell 7 via 6. At this time, the controller unit 19 reads the signal from the flow rate sensor 6, judges that the water is injected when a certain level is exceeded, and causes the power supply unit 18 to generate a DC voltage / current necessary for control and electrolysis. The DC voltage / current for electrolysis is supplied to the electrode 9 of the electrolytic cell 7 via the controller unit 19.
Then, a voltage is applied to the electrode 10 to perform electrolysis. Except when cleaning, a positive voltage is applied to the electrode 10 and a negative voltage is applied to the electrode 9, and the electrolytic cell 7 forms an anode chamber and a cathode chamber which are partitioned by a diaphragm 8, and acidic ionized water is stored in the anode chamber. , Alkaline ionized water is generated in the cathode chamber.

When the controller section 19 is operated to apply a voltage so that the electrode 9 has a negative voltage while water is flowing, alkaline ionized water is continuously obtained from the cathode side discharge tube 13 and the anode side discharge tube. Acidic ion water is discharged from 11. The electrolyzed water generator 3 can switch between alkaline ionized water, acidic ionized water, and purified water. That is, a positive voltage may be applied to the electrode 9 when generating acidic ionized water, and water may be passed without applying a voltage when purifying water. Also, strongly acidic ionized water used as sterilizing water (pH less than 3, ORP100
(0 mv or more) and strong alkaline ionized water (pH 11 or more) used for beverages, agriculture, etc., electrolysis is performed by adding additives such as NaCl or KCl from the inorganic electrolyte addition chamber 5 to increase the electrical conductivity of raw water. The way to do is done.

[0006]

However, in the above-mentioned conventional structure, in order to obtain strongly acidic ionized water or strongly alkaline ionized water, NaCl or KCl is supplied by the inorganic electrolyte addition chamber.
In order to increase the electric conductivity of the raw water by adjusting the input amount of the inorganic additive such as, and to generate the strongly acidic ionized water for the electrolysis, the strong alkaline ionized water is simultaneously generated. Due to the addition of additives, the strongly alkaline ionized water has increased Na ions and K ions, which is problematic not only for drinking but also for agricultural use.

The present invention solves the above-mentioned problems of the prior art by providing strong acidic ionized water used as sterilizing water and the like for beverages, alkaline ionized water suitable for agricultural use at the same time or for strong acidic ionized water and beverages, An object of the present invention is to provide an electrolyzed water generator capable of selecting an electrolyzed water generator capable of simultaneously producing strong alkaline ionized water suitable for agricultural chemicals, etc., with one electrolyzed water generator. .

[0008]

To achieve this object, the electrolyzed water generator according to claim 1 of the present invention comprises two systems of electrolyzed water discharge tubes, a cathode side discharge tube and an anode side discharge tube. A first electrolytic cell having the above, a second electrolytic cell having a cathode side discharge tube and an anode side discharge tube arranged in series so that the anode side discharge tube of the first electrolytic cell serves as a water supply passage, and The electrolyzed water generator according to claim 2 has a configuration including an additive injecting section for injecting an additive such as an inorganic electrolyte on the water supply channel side of the second electrolyzer. 3. In the electrolyzed water generator according to claim 1 or 2, wherein the electrolyzed water generator according to claim 3 has a configuration in which a flow rate adjusting unit is provided on the water supply channel side of the first electrolyzer. It has a structure with a water purifier on the upstream side.

[0009]

With this configuration, the electrolytic cells are arranged in series, and the voltage applied to the electrolytic cell at the first stage is adjusted, so that the alkaline ionized water for drinking or medical or agricultural purposes is supplied from the cathode side discharge tube. , It is possible to obtain strong alkaline ionized water for industrial use. Further, by providing a flow rate adjusting unit on the water supply side of the first-stage electrolysis tank and adjusting the amount of water supplied to the first-stage electrolysis tank, alkaline ionized water or strong alkaline ionized water can be obtained. In addition, the acidic ionized water from the anode side discharge pipe is injected with additives such as NaCl and KCl while being supplied to the electrolytic cell at the next stage, so that the electrical conductivity is enhanced and further sterilized by electrolysis. It is possible to stably obtain the strongly acidic ionized water used for the purpose.

[0010]

【Example】

(Embodiment 1) An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a schematic view of an electrolyzed water generator according to the first embodiment of the present invention. Reference numeral 1 is a raw water pipe, 2 is a faucet, 4 is a water purifier, and 6 is a flow rate sensor, which are the same as those in the conventional example and are denoted by the same reference numerals, and description thereof will be omitted. 3a
Is the electrolyzed water generator in the first embodiment of the present invention, 20 is the first electrolysis tank for electrolyzing the raw water that has passed through the flow rate sensor 6, and 21 is the first electrolysis tank 20 that divides the water into two parts and passes water to the lower part. Having two parts to form a pair of electrode chambers, 22 and 23 are diaphragms 2
Electrodes arranged in each electrode chamber formed by dividing into 1 by 2,
24 is a second electrolyzer located downstream of the first electrolyzer 20; 25 is a diaphragm that divides the second electrolyzer 24 into two and has a water passage in the lower part to form a pair of electrode chambers; 26 and 27 are diaphragms 25
Electrodes arranged in each electrode chamber formed by being divided into two
8 is a water supply pipe for supplying raw water to the water purifier 4, 29 is the water purifier 4
A water supply pipe for supplying the raw water from the first electrolyzer 20 to the first electrolyzer 20 via the flow rate sensor 6, 30 is water on the side of the electrode 22 of the first electrolyzer 20. ) Is discharged on the cathode side, 31 is the water on the side of the electrode 23 of the first electrolytic cell 20 (excluding the cleaning, the electrode 23 is an anode, so acidic ionized water) is discharged, and the second electrolytic cell on the downstream side is discharged. Anode-side discharge pipe for supplying water to 24, and 32 for the first electrolytic cell 20
A fixed throttle portion arranged near the connecting portion between the anode side discharge pipe 31 and the discharge water flow rate for efficiently generating alkaline ionized water, 33 is water on the electrode 26 side of the second electrolytic cell 24 ( Except for cleaning, since the electrode 26 serves as a cathode, it discharges alkaline ionized water), a cathode side discharge tube 34 discharges the strongly acidic ionized water electrolyzed again in the second electrolytic cell 24, and 35 An additive storage tank for storing an additive such as an inorganic electrolyte, 36 is a second electrolytic tank 24 for storing the additive.
A pump for injecting into the tank, 37 is an additive injection pipe, 38 is a water discharge pipe for draining accumulated water and cleaning water in the first electrolytic tank 20 and the second electrolytic tank 24, and 39 is purified water according to an instruction from the controller section. Water supply pipe 28 for supplying and stopping raw water to the container 4
Is a solenoid valve for drainage arranged in the discharge pipe 33 on the cathode side of the second electrolytic cell 24, and 41 is water-stop / stop of strong acidic ion water arranged in the discharge pipe 34 on the anode side. Solenoid valve for conducting water, 42 is a solenoid valve for injecting an additive that injects the additive disposed in the additive injecting pipe 37, and 43 and 44 are accumulated water in the first electrolytic cell 20 and the second electrolytic cell 24. And a drainage solenoid valve for draining washing water, 45 is a water passage switch for starting the operation of the electrolyzed water generator 3a, 46 is a power supply unit for supplying electric power required for the electrolyzed water generator 3a, and 47 is electrolysis. It is a controller unit that controls the operation of the water generator 3a.

The operation of the electrolyzed water generator of the present invention constructed as above will be described below. The user usually keeps the faucet 2 open at all times and uses the water switch 4 when using it.
When 5 is pressed, the electric valve 39 is opened and the raw water is converted into the electrolyzed water generator 3
is supplied to a. At the same time, the drainage solenoid valve 40 and the water passage solenoid valve 41 are also opened. The drainage solenoid valves 43 and 44 are normally closed. After the raw water passes through the water supply pipe 28 to remove impurities and general bacteria by the water purifier 4, it passes through the flow rate sensor 6 and the water supply pipe 29 and is poured into the first electrolytic cell 20. At this time, the controller unit 47 reads the signal from the flow rate sensor 6, judges that the water is injected when exceeding a certain level, and generates a DC voltage / current necessary for control and electrolysis inside the power supply unit 46. The DC voltage for electrolysis is applied to the electrodes 22 and 23 of the first electrolytic cell 20 and the electrodes 26 and 27 of the second electrolytic cell 24 via the controller unit 47 to electrolyze. Except when cleaning, a positive voltage is applied to the electrodes 23 and 27 and a negative voltage is applied to the electrodes 22 and 26.
An anode chamber and a cathode chamber partitioned by 25 are formed, and acidic ionized water is generated in the anode chamber and alkaline ionized water is generated in the cathode chamber.

Now, while passing water, operate the controller unit 47 so that the electrodes 22 and 26 have a negative voltage,
When a voltage is applied, alkaline ionized water is continuously obtained from the cathode side discharge pipe 30, and acidic ionized water is injected from the anode side discharge pipe 31 into the second electrolytic cell 24 through the fixed throttle portion 32. The acidic ionized water supplied to the second electrolyzer 24 is further enhanced in electrical conductivity and continuously obtained as strongly acidic ionized water from the anode side discharge pipe 34. In order to stably obtain this strongly acidic ionized water, an additive such as an inorganic electrolyte is supplied to the second electrolytic cell 24 through the additive injection pipe 37. The alkaline ionized water generated in the cathode chamber of the second electrolytic cell 24 is discharged from the water discharge pipe 38 through the cathode side discharge pipe 33. In the present embodiment, as the water supply method, the first stop method has been described. However, in the case of the main stop method, the water stop switch 45 may be replaced with a faucet provided at the outlet of the cathode side discharge pipe 30. it can.

As described above, according to the first embodiment of the present invention, alkaline ionized water or strong alkaline ionized water can be obtained by adjusting the voltage applied to the electrode of the first electrolytic cell. In addition, while the anode water in the first electrolytic cell is being supplied to the second electrolytic cell, the electrical conductivity is increased by injecting an additive such as NaCl or KCl, and it is stabilized by further performing electrolysis. It is possible to obtain strongly acidic ionized water having pH and ORP values. Further, since it has a configuration including two-stage electrolytic cells connected in series, it is possible to simultaneously supply alkaline ionized water and strongly acidic ionized water or strong alkaline ionized water and strongly acidic ionized water.

(Embodiment 2) FIG. 2 is a schematic view of an electrolyzed water generator according to a second embodiment of the present invention. The difference from the first embodiment is that a fixed flow rate valve 49 is provided instead of the fixed throttle section 32, and a flow rate adjusting section 48 is provided in the water supply pipe 28. Three
b is an electrolyzed water generator in the second embodiment of the present invention, 47
Reference numeral a denotes a controller unit that controls the operation of the electrolyzed water generator 3b. By adjusting the total flow rate of the supply water by providing the flow rate adjusting unit 48, it is possible to adjust whether the electrolyzed water from the cathode side discharge pipe 30 of the first electrolyzer 20 is alkaline ionized water or strong alkaline ionized water. To do. That is, when alkaline ionized water is produced, the amount of water supplied is increased, and conversely, when the amount of water supplied is reduced, strong alkaline ionized water can be produced. Further, the constant flow valve 49 provided in the anode side discharge pipe 31 is to prevent the generation of the strongly acidic ionized water from being affected by supplying a constant amount of water supply to the second electrolytic cell 24.

The operation of the electrolyzed water generator configured as described above will be described. The electrolyzed water generator 3b is usually
It is connected to a raw water pipe such as water supply. When the user normally opens the faucet 2 and presses the water passage switch 45 when necessary, the electric valve 39 opens, and at the same time, the drainage solenoid valve 40 and the water passage solenoid valve 41 also open. The drainage solenoid valves 43 and 44 are normally closed. Raw water is supplied to the water purifier 4 through the water supply pipe 28, and after impurities and general bacteria are removed in the water purifier 4, the raw water is supplied to the first electrolytic cell 20 via the flow rate sensor 6. This time,
The controller unit 47a reads the signal from the flow rate sensor 6, judges that the water is injected when the level exceeds a certain level, and applies a DC voltage to the electrodes 22, 23, 26, 27 of the electrolytic cells 20, 24, respectively. Electrolysis of the water supplied to the inside of 20, 24 is performed. A case of simultaneously producing alkaline ionized water or strongly alkaline ionized water and strongly acidic ionized water will be described. Similar to the first embodiment, the first electrolytic cell 20 and the second electrolytic cell 24 are arranged in two stages in series. The water supplied to the first electrolyzer 20 is electrolyzed and discharged from the cathode side discharge pipe 30 as alkaline ionized water or strong alkaline ionized water. To select the alkaline ionized water and the acidic ionized water, the flow rate adjusting unit 48 provided in the water supply pipe 28 is set to the controller unit 47.
This is done by controlling the total water supply under the control of a. The acidic ionized water from the anode side discharge pipe 31 is supplied to the second electrolytic cell 24 through the constant flow valve 49. Controller section 4
7a opens the additive injection solenoid valve 42 to increase the electric conductivity of the acidic ionized water supplied to the second electrolytic cell 24,
Inject additives such as NaCl and KCl. The acidic ionized water whose electric conductivity has been increased is further electrolyzed in the second electrolytic cell 24 and is discharged as strong acidic ionized water through the anode side discharge pipe 34.

In this embodiment, as in the case of the first embodiment, the first stop method is used as the water supply method. However, in the case of the main stop method, instead of the water passing switch 45, a tap is provided at the outlet of the cathode side discharge pipe 30. It can be used by installing it.

As described above, according to the present embodiment, since it has a configuration including the two-stage electrolytic cells connected in series,
It is possible to simultaneously generate alkaline ionized water or strong alkaline ionized water suitable for beverages, agriculture, etc. and strongly acidic ionized water used as sterilizing water. In addition, the controller unit can automatically generate the alkaline ionized water or the strong alkaline ionized water by adjusting the amount of water supplied according to the generation mode selected on the operation display unit (not shown).

[0018]

INDUSTRIAL APPLICABILITY As described above, according to the present invention, the electrolytic cell has two stages.
By providing in series and by adjusting the amount of water supplied to the first electrolyzer, the concentration of alkaline ionized water is adjusted, and an additive is injected into the electrolyzed water having an increased ion concentration, By supplying water to the electrolyzer and re-electrolyzing it, alkaline ionized water or strong alkaline ionized water suitable for drinks and agriculture and strong acidic alkaline ionized water with sufficient sterilizing action are simultaneously generated by one device. Because you can
It is possible to realize an electrolyzed water generator with low cost and excellent versatility.

[Brief description of drawings]

FIG. 1 is a schematic diagram of an electrolyzed water generator according to a first embodiment of the present invention.

FIG. 2 is a schematic diagram of an electrolyzed water generator according to a second embodiment of the present invention.

FIG. 3 is a schematic diagram of a conventional electrolyzed water generator.

[Explanation of symbols]

 1 Raw Water Pipe 2 Faucet 3, 3a, 3b Electrolyzed Water Generator 4 Water Purifier 5 Inorganic Electrolyte Addition Chamber 6 Flow Sensor 7 Electrolyzer 8, 21, 25 Separator 9, 10, 22, 23, 26, 27 Electrode 11, 31 , 34 Anode side discharge pipe 12, 32 Fixed throttle part 13, 30, 33 Cathode side discharge pipe 14, 40, 43, 44 Drainage solenoid valve 15, 38 Water discharge pipe 16 Cartridge sensor 17 Power supply plug 18, 46 Power supply part 19 , 47, 47a Controller part 20 1st electrolysis tank 24 2nd electrolysis tank 28, 29 Water supply pipe 35 Additive storage tank 36 Pump 37 Additive injection pipe 39 Electric valve 41 Water passage solenoid valve 42 Additive injection solenoid valve 45 Water flow switch 48 Flow rate control unit 49 Constant flow valve

Claims (3)

[Claims] 1. A first electrolysis tank having two systems of electrolyzed water discharge tubes, a cathode side discharge tube and an anode side discharge tube, and the anode side discharge tube of the first electrolysis tank serving as a water supply passage. A second electrolytic cell having a cathode side discharge tube and an anode side discharge tube arranged in series; and an additive injection section for injecting an additive such as an inorganic electrolyte into the water supply channel side of the second electrolytic cell. An electrolyzed water generator characterized in that. 2. The electrolyzed water generator according to claim 1, further comprising a flow rate control unit on the side of the water supply passage of the first electrolyzer. 3. The electrolyzed water generator according to claim 1, wherein a water purifier is provided on the upstream side of the first electrolyzer.