JPH11253955A - Electrolytic water making apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an electrolytic water making apparatus devised so as to separately control the pH and effective chlorine concn. of electrolytic water and freely making electrolytic sterilizing water with required pH and effective chlirine concn. SOLUTION: A pump 5B supplying a sodium or potassium chloride aq. soln. is connected to an anode chamber 1A constituting an electrolytic cell 1 and a pump 9B supplying hydrochloric acid or a dilute aq. hydrochloric acid soln. is connected to an cathode chamber 1B constituting the electrolytic cell 1 to freely regulate the supply amts. of the respective aq. solns., and the supply quantities of electricity to the electrodes 1X, 1Y provided to the anode and cathode chambers 1A, 1B are increased and decreased in proportion to an increase and decrease in the supply amt. of the aq. soln. to the anode chamber 1A.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention belongs to the technical field of an electrolyzed water generating apparatus for generating acidic water and alkaline water by electrolyzing tap water or the like, and more particularly, to an electrolysis apparatus suitable for the purpose. The present invention relates to an electrolyzed water generation device capable of generating electrolyzed water having a pH and an effective chlorine concentration.

[0002]

2. Description of the Related Art Electrolytically generated water obtained by electrolyzing an aqueous solution of salt or the like as water to be electrolyzed is effective as sterilizing water for bacteria and the like. Available chlorine is said to be the main factor in its disinfection. In addition, the electrolyzed water has a different sterilizing effect depending on the pH, and the sterilizing power can be increased by lowering the pH. However, on the other hand, the effective chlorine is easily vaporized and the sterilizing effective time is relatively short, so that the water is not used. In some cases it was inconvenient.
On the other hand, neutral water is inferior to acidic water in bactericidal activity, but is superior in preservability. On the other hand, neutral water may be desired depending on the purpose of use and usage conditions.

Therefore, for example, Japanese Patent Publication No. 4-42077 or Japanese Patent Laid-Open Publication No. Hei 5-237478 (Patent No. 26)
19756) and the like, and a sterilizing water producing apparatus and a sterilizing water producing method have been considered.

[0004] The former publication discloses that electrolyzed water produced by mixing sodium chloride with raw water is placed in an electrolytic cell partitioned into an anode chamber and a cathode chamber by a diaphragm, and electrolyzed.
The acidic water is generated in the anode chamber and the alkaline water is generated in the cathode chamber, and the acidic water generated in the anode chamber is diluted and mixed with the raw water or the alkaline water generated in the cathode chamber to generate an appropriate mixture. There has been disclosed an electrolyzed water generation device which is devised so as to be capable of forming electrolyzed water (sterilized water) having a pH and an appropriate effective chlorine concentration and at the same time increasing the supply amount.

On the other hand, the latter publication discloses that water containing sodium chloride and water containing hydrochloric acid are mixed, and the mixed aqueous solution is electrolyzed as electrolyzed water in a non-diaphragm electrolytic cell to obtain a pH of 3 or less. No. 7 to No. 7 are disclosed.

[0006]

However, in the conventional electrolyzed water generator described in the former publication,
When the amount of generated water is largely changed, the relationship between the set pH and the chlorine concentration cannot be maintained, and it has been difficult to obtain a desired water quality.

The production capacity of the electrolyzed water generating apparatus described in the former publication is determined in advance by a power supply or the like, and the electrolyzed water having a predetermined pH and a predetermined effective chlorine concentration is supplied within a predetermined time. Since the amount that can be produced is naturally limited, a device with a capacity suitable for the user's usage was used in normal cases. If the supply of water is insufficient, it is necessary to generate extra electrolysis water in advance and store it in a tank, etc., or to add another device to compensate for the shortage. There is a problem that the operation is very complicated and the economic burden increases.

[0008] In addition, for users who require only acidic water, the alkaline water generated in the above-mentioned cathode chamber is unnecessary water. (Water quality), the electrolytic reaction is affected, and as a result, there is also a problem that the pH and the effective chlorine concentration are likely to vary.

Further, in the case of the method for producing sterilized water described in the latter publication, the water to be electrolyzed uses salt and hydrochloric acid as electrolytes, and the generation of hypochlorous acid and the pH due to hydrochloric acid occur.
The adjustment is performed, and it is possible to eliminate waste of discarding the generated alkaline water as in the generation device described in the former publication, but on the other hand, the electrolyzed water generation device described in the former publication described above is As in the case of having the same, various problems such as that when the amount of generated water is changed, complicated adjustment work is required to adjust the set pH and effective chlorine concentration.

[0010] In addition, in the method for producing sterilized water described in the latter publication, hydrochloric acid mainly acts as a pH adjuster, but at the same time supplies chlorine ions that it has naturally. As a result, hypochlorous acid is also generated at the same time, and there is a problem that the pH and the concentration of hypochlorous acid cannot be separately controlled.

Therefore, a technical problem of the present invention is that the control of the pH and the effective chlorine concentration of the electrolyzed water can be separately controlled, and the electrolysis sterilizing water having the required pH and the effective chlorine concentration can be freely generated. An object of the present invention is to provide an electrolyzed water generation device devised so that it can be used.

Still another object of the present invention is to provide an electrolyzed water generating apparatus which is designed so that a single generating apparatus can freely adjust the generated amount according to the required amount at that time. .

[0013]

Means taken by the present invention to solve the above-mentioned technical problems are as follows.

The electrolytic cell is divided into two chambers, an anode chamber and a cathode chamber, by a diaphragm. An electric current is passed between the electrodes provided in each of these chambers, and the electrolyzed water is fed into each of the chambers. To generate anode water, and to generate cathode water in the cathode chamber,
An electrolyzed water generator configured to discharge these electrolyzed waters from discharge ports provided in each chamber,

(1) An anode-side electrolyzed water supply means for supplying an aqueous solution of sodium chloride or potassium chloride as the water to be electrolyzed is connected to the above-mentioned anode chamber. Or, while connecting the cathode-side electrolyzed water supply means for supplying an aqueous solution of diluted hydrochloric acid, the amount of electricity supplied to each electrode of the anode chamber and the cathode chamber, the amount of electrolyzed water supplied to the anode chamber is increased. An electrolytic current control means for increasing the amount in proportion to the increase and, in the case of decreasing the amount, decreasing the amount in proportion to the decrease is provided. (Claim 1)

(2) An anode-side electrolyzed water supply means for supplying an aqueous solution of sodium chloride or potassium chloride as the water to be electrolyzed is connected to the above-mentioned anode chamber. Alternatively, a cathode-side electrolyzed water supply means for supplying an aqueous solution of dilute hydrochloric acid is connected, and a pulse current for varying the ON / OFF duty ratio is passed between the respective electrodes of the anode chamber and the cathode chamber, and When increasing the supply amount of the electrolyzed water to the anode chamber, the ON / OFF duty ratio is increased in proportion to the ON time ratio, and conversely, when the ON / OFF duty ratio is decreased, the ON time ratio is decreased in proportion to the decrease. To provide an electrolytic current control means for controlling. (Claim 2)

(3) The supply amount of the water to be electrolyzed by the cathode side electrolyzed water supply means can be variably adjusted independently of the anode side. (Claim 3)

(4) Electrolytic water produced by mixing anode water generated and discharged in the anode chamber and cathode water generated and discharged in the cathode chamber at an arbitrary ratio to obtain mixed water. Providing mixing means. (Claim 4)

(5) Anode water generated in the anode chamber, or cathodic water generated in the cathode chamber, or a mixture thereof is mixed with raw water such as tap water at an arbitrary ratio. To provide a diluting and mixing means which can be used as mixed water.
(Claim 5)

(6) While a pump is used as the means for supplying the electrolyzed water on the anode side and the cathode side, a flow meter for detecting the flow rate is provided in the raw water supply flow path such as a water pipe, and the flow meter measures the flow rate. The respective anode-side or cathode-side pumps are controlled and operated in accordance with the flow rate of the raw water so that the required amount of the generated anode water or cathode water or the mixed water can be mixed with the above-mentioned raw water in a required amount. To configure. (Claim 6)

(7) The relation between the supply amount of the electrolyzed water to be supplied to the cathode chamber side and the pH value of the electrolyzed water generated as a result when the electrolyzed water of each available chlorine concentration is generated at a predetermined flow rate. Storage means for storing data, and each pH set based on related data stored in the storage means
Supply of the electrolyzed water to the cathode chamber from the flow rate value determined based on the relationship between the supply amount of the electrolyzed water to the cathode chamber side and the generated amount of the electrolyzed water at each available chlorine concentration. A cathode chamber side supply amount control means for determining the amount and controlling the cathode side electrolyzed water supply means based on the determined supply amount to supply a constant amount of the electrolyzed water. (Claim 7)

[0022]

According to the first aspect of the present invention, a fixed concentration aqueous solution of sodium chloride or potassium chloride is supplied to the anode compartment, and a fixed concentration of hydrochloric acid or dilute hydrochloric acid is supplied to the cathode compartment. By doing so, anode water can be generated in the anode chamber and cathode water can be generated in the cathode chamber. In order to control the amount of electricity to be supplied between them in a proportional manner, regardless of the amount of electrolyzed water (anode water) discharged from the anode chamber, a certain amount of available chlorine is set as set. It is possible to generate electrolyzed water having a concentration, and it is also possible to produce water having a predetermined chlorine concentration by changing the setting.
It is possible to freely generate the required amount.

According to the means of the second aspect described in the above (2), at the time of electrolysis, the ON / OFF of the pulse current supplied between the electrodes according to the increase or decrease of the supply amount of the electrolyzed water to the anode chamber. The OFF time is changed. That is, when the amount of water to be electrolyzed increases, the ON time is increased, and when the amount of water to be electrolyzed decreases, the ON time is shortened. Regardless of the degree of, it is possible to generate electrolyzed water having a constant effective chlorine concentration as set, and to generate water having a predetermined chlorine concentration by changing the setting, It is possible to freely generate the required amount of electrolyzed water with the required effective chlorine concentration and to turn ON / OFF the short pulse.
Therefore, it is possible to generate uniform electrolyzed water within this short time interval.

According to the third aspect of the present invention, the supply of the electrolyzed water on the cathode chamber side is independent of the supply amount of the electrolyzed water on the anode chamber side and the electrolysis conditions. Since the amount can be variably adjusted alone, the effective chlorine concentration is controlled on the anode chamber side to generate a predetermined amount, and the pH can be mainly controlled on the cathode chamber side. From the electrode room, it is possible to produce electrolyzed water containing a desired effective chlorine concentration and having a desired pH.

According to the means of claim 4 described in the above (4), the pH and available chlorine concentration of the anolyte water and the catholyte water generated in the anode chamber and the cathode chamber, and the amount of the generated water can be freely controlled. It is possible to freely generate electrolyzed water having an arbitrary pH and effective chlorine concentration by mixing these electrolyzed waters, that is, sterilizing water, and it is possible to generate the sterilized water with one generator. The generated amount can be adjusted freely according to the required amount at that time, and the relationship between the set pH and effective chlorine concentration is maintained even if the generated amount is greatly changed,
It is possible to obtain the desired water quality.

When the pH of the electrolyzed water generated on the cathode chamber side is changed from neutral to an acidic range, the alkaline water which has been conventionally discarded can be used as it is, so that the generated alkaline water is discarded. In addition, when the cathode chamber side is adjusted to an acidic region, the scale can be prevented from adhering to the cathode, thereby making it unnecessary to backwash the electrodes.

According to the means of claim 5 described in the above (5), the anode water and the cathode water electrolytically generated in the anode chamber or the cathode chamber can be diluted and mixed with raw water such as tap water. Therefore, it is possible to greatly increase the dilution ratio, and to obtain electrolyzed water having an appropriate effective chlorine concentration and pH as a mixed water, and it is necessary to use electrolyzed water having a required water quality. While it is possible to generate only quantity,
Since the raw water is not directly passed through the electrolytic cell, the amount of electrolysis is small and the temperature can be easily increased, so that the electrolysis efficiency can be increased.

According to the means of claim 6 described in the above (6), by controlling the operation of the respective pumps on the anode chamber side and the cathode chamber side, it is possible to control the amount of anode water and cathode water generated, In addition, the mixing amount of the anode water and the cathode water with respect to the raw water can be controlled, and the amount of electricity supplied to both electrodes is controlled according to the change in the flow rate of the raw water, so that the electrolysis diluted to the appropriate effective chlorine concentration and pH is performed. Since the generated water can be obtained, there is no need to store a required amount of electrolyzed water in advance, and it is possible to generate only a required amount of electrolyzed water (sterilized water) of a required quality when required. I do.

According to the means of claim 7 described in the above (7), the supply amount (addition amount) of the electrolyzed water (hydrochloric acid or dilute hydrochloric acid) to the cathode chamber side at each available chlorine concentration and pH value.
And, since the related data of the production amount is stored in advance, only by specifying the effective chlorine concentration and the pH value, the required amount of electrolyzed water is automatically supplied to the cathode chamber side, It is possible to freely generate the required amount of electrolyzed water having the required water quality.

As described above, the above (1) to (1)
By solving the above technical problem by means of (7),
The problem of the conventional technique can be solved.

[0031]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of an electrolyzed water generating apparatus according to the present invention will be described below with reference to the drawings. FIG. 1 is a block diagram illustrating the whole of the present invention. Apparatus, 1 is an electrolytic cell, 1T is an anode chamber 1A inside the electrolytic cell 1.
(Anode compartment) and a cathode compartment 1B (cathode compartment) partitioning into two compartments (ion conversion membrane, neutral partition etc.), 1X and 1Y are electrodes provided in the anode compartment 1A and the cathode compartment 1B, respectively. 1X and 1Y are wirings 18A and 18B and power switch 18
It is connected to the DC power supply 18 via S.

In FIG. 1, reference numeral 2 denotes a raw water supply source such as tap water, and 4 denotes a salt dissolving apparatus or a salt solution tank connected to the raw water supply source 2 via a water supply pipe 3. The aqueous solution of sodium chloride or potassium chloride produced at a certain concentration in 4 is fed into the above-mentioned anode chamber 1A through the supply pipe 5 by a water supply pump 5P configured to be able to adjust the supply amount, and is electrolyzed. It is structured.

Reference numeral 7 denotes a water supply pipe 6 for the raw water supply source 2.
A hydrochloric acid dissolving tank 8 connected through the tank 8 is a hydrochloric acid tank for supplying hydrochloric acid to the dissolving tank 7, and the aqueous solution of hydrochloric acid or dilute hydrochloric acid formed to a certain concentration in the hydrochloric acid dissolving tank 7 has a supply amount of The water is supplied to the above-mentioned cathode chamber 1B through the supply pipe 9 by a water supply pump 9P which can be freely adjusted, and is electrolyzed.

Reference numeral 10 denotes a raw water supply pipe connected to the above-mentioned raw water supply source 2, 10V, 10X and 10Z denote a main cock, a pressure reducing valve and a solenoid valve (safety device) provided in the middle of the raw water supply pipe 10, and 11 denotes a raw water supply pipe. A raw water supply main pipe 10 'and a branch pipe 12 are respectively connected to one and the other of the switching valve 11, and the tip of the branch pipe 12 is further divided into two branch pipes 12A at a branch portion 12X. 12B, and the ends of the branch pipes 12A, 12B are connected to the injection sections 12Y, 12Z provided in the supply pipes 5 and 9, respectively. 1B so that it can be washed.

Reference numerals 13 and 14 denote the above-mentioned raw water supply main pipe 10 '.
A flow sensor and a pressure sensor provided in the middle of the above, 15 is a safety valve, 16 is based on the setting data input from the input setting device 17 to control the above-mentioned water supply pumps 5P, 9P through communication lines 16A, 16B, Anode chamber 1A
And the supply amount of each electrolyzed water (aqueous solution) to the cathode chamber 1B, and ON / OFF control of the power switch 18S of the DC power supply 18 described above to control the electrodes 1X,
1Y, the ON / OFF control of the power switch 18S in accordance with a signal sent from the pressure sensor 13 to the Y sensor, and further based on the integrated flow rate of the raw water measured by the flow rate sensor 14. A control having an arithmetic function for calculating the amount of each electrolyte to be electrolyzed (sodium chloride, potassium chloride, hydrochloric acid) and the remaining amount from the amount of electrolyzed water mixed at a constant rate with the raw water. The control device 16 is equipped with a microcomputer, and a detailed configuration thereof will be described later.

1A 'and 1B' are discharge ports for discharging the electrolyzed water generated in the anode chamber 1A and the cathode chamber 1B, ie, anode water and cathode water, and 19A and 19B are discharge ports for these. Discharge pipes connected to 1A ', 1B' and 20 and 21 are three-way switching valves connected to the ends of the discharge pipes 19A, 19B. One of these switching valves 20, 21 is connected to connecting pipes 20A, 21A.
Is connected to the stirring tank 22 via a water supply pipe 20 on the other side.
B, 21B are connected and the water supply pipe 2 on the anode chamber 1A side
OB is bifurcated at a branching portion 20X, one of which is provided with a faucet 20V, and the other is provided with a diluting / mixing portion 24Z provided in the middle of the above-mentioned raw water supply main pipe 10 'via a branch pipe 24.
By opening the faucet 20V, the anodic water generated in the anode chamber 1A can be taken out alone. When the faucet 20V is not opened, the anodic water is supplied to the raw water supply main pipe 10 '. It can be diluted and mixed with the raw water flowing through.

Further, a faucet 21V for independently taking out the cathode water generated in the cathode chamber 1B is connected to the water supply pipe 21B on the side of the cathode chamber 1B in the middle thereof, and the distal end thereof is connected to the above-described raw water. The cathode water generated in the cathode chamber 1B can be diluted and mixed with the raw water by being connected to a dilution mixing section 21Z provided in the middle of the water supply main pipe 10 '.

Reference numeral 23 denotes a water supply pipe connecting between the above-described stirring tank 22 and a dilution mixing section 23Z provided in the middle of the raw water supply main pipe 10 ', and the anode water and the cathode water mixed and stirred inside the stirring tank 22. The mixed water of water can be diluted and mixed with the raw water, and the mixed product water can be taken out alone by opening the faucet 23V of the branch pipe 23A branched in the middle of the water supply pipe 23. Is also possible.

Further, in the figure, 26 are faucets for taking out generated water attached to the end of the above-mentioned raw water supply main pipe 10 ', 2
5 is a drain valve, and from this faucet 26 ...
Either electrolyzed water obtained by diluting and mixing the mixed water of anode water and cathode water with raw water, or electrolyzed water obtained by diluting and mixing anode water alone, or electrolyzed water obtained by diluting and mixing cathode water alone This is a mechanism obtained by the switching operation of each of the three-way switching valves 20 and 21.

FIG. 2 is a block diagram for explaining the electrical configuration of the control device 16 equipped with the above-mentioned microcomputer. In the figure, reference numeral 30 denotes a CPU, 31 denotes a memory for storing a system program and for storing setting data. Reference numeral 33 denotes an interface circuit connected between the CPU 30 and the memory 31 via the bus 32. The interface circuit 33 includes the above-described pumps 5P, 9P for supplying electrolyte.
, The flow sensor 13 and the required effective chlorine concentration and p
An input setting device 17 for inputting an H value;
X, 1Y and a DC power supply 18 including a power switch 18S are connected, and further, a pulse current control device 34 for supplying a pulse current having a predetermined ON / OFF duty ratio based on an instruction from the CPU 30 is connected. Is CPU3
The mechanism is controlled and operated according to a program stored in the memory 31 under monitoring of 0.

According to the control device 16 described above, the CPU 3
0, the water supply pumps 5P and 9P on the anode chamber 1A side and the cathode chamber 1B side are controlled, and the anode chamber 1A and the cathode chamber 1 are controlled.
The amount of water to be electrolyzed to B can be increased or decreased, and when the amount of water to be supplied to the anode chamber 1A is increased, the above-described pulse current control device 34 is controlled to control each of the electrodes. When the ON time ratio of 1X and 1Y is increased in proportion and the water supply amount is decreased, the ON time ratio is decreased in proportion to reduce the amount of electrolytically generated water (anode water) discharged from the anode chamber 1A. Regardless of the degree, it is configured to be able to generate electrolyzed water having a constant effective chlorine concentration as set.

In addition, the memory 31 of the control device 16 stores the electrolyzed water (hydrochloric acid or dilute hydrochloric acid) to be supplied to the cathode chamber 1B side when the generated water (sterilized water) of each effective chlorine concentration is generated at a predetermined flow rate. Since the data relating to the supply amount and, as a result, the pH value indicated by the generated water are stored in advance, the operator simply inputs and sets the effective chlorine concentration and the pH value using the input setting device 17, and the main plug 10V or the faucet is set. Regardless of the opening degree, such as 26 ...
Produced water with a constant water quality can always be supplied.

FIG. 3 shows the addition amount of the aqueous solution of sodium chloride (saline) to the anode chamber 1A by the pump 5P and the percentage of the ON time per unit time of each electrode 1X, 1Y on the vertical axis. Each effective chlorine concentration (30 ppm, 50 ppm) when the amount of produced water discharged is plotted on the horizontal axis.
ppm, 80 ppm).
From this figure, it was found that the amount of water produced at each available chlorine concentration by pulse electrolysis was proportional to the amount of saline added.

FIG. 4 shows a state in which the pulse electrolysis for producing the produced water having an effective chlorine concentration of 50 ppm shown in FIG. 3 is being performed, and the pump 9P is connected to the cathode chamber 1B side with hydrochloric acid (H).
5 is a graph in which the amount of Cl) added and the change in pH of the produced water discharged from the faucet 26 are plotted.

FIG. 5 shows that the effective chlorine concentration is 50 ppm.
To produce product water with a pH of 6.5
4 is a graph showing the relationship between the amount of added l) and the amount of generated water. When the pH of the generated water discharged from the faucet 26 is adjusted to 6.5, the pH shown in FIG. .5
And when generating 10 (1 / min), 5.6 (1 / min)
The value of the intersection of each graph (hydrochloric acid addition amount) at the time of generation and at the time of 3 (1 / min) generation is plotted on the vertical axis, and each generation amount is plotted on the horizontal axis, thereby obtaining the hydrochloric acid addition amount for each generation amount. From this figure, it was found that the amount of generated water discharged from the faucet 26 by performing pulse electrolysis and the amount of hydrochloric acid added to the cathode chamber 1B are in a proportional relationship.

Next, the procedure of the process for producing electrolyzed water according to the present invention will be described with reference to the flowchart shown in FIG.
First, when the main plug 10V of the raw water supply pipe 10 is opened in step S1, the flow sensor 13 detects the flow of raw water in step S2, and then proceeds to step S3 to proceed to step S3.
3 oscillates a pulse signal corresponding to the flow rate and proceeds to step S4.

When the control device 16 receives the pulse signal in step S4, the process proceeds to the next step S5, where the ON / OFF interval of the power switch 18S is calculated, and the above-described step S6 is performed based on the calculated data. The pulse current control device 34 supplies a pulse current having a predetermined ON / OFF duty ratio, and controls ON / OFF of the power switch 18S at a predetermined ratio.

In the next step S7, the power switch 1
Based on ON / OFF of 8S, each electrode 1X, 1Y
By controlling the N / OFF, it is possible to electrolytically generate electrolyzed water having a set effective chlorine concentration and pH as set. However, by changing the above set values, different effective chlorine concentrations and pH can be obtained. As described above, electrolyzed water having different properties can be generated.

Next, at step S8, the main plug 10V
Is closed, the flow proceeds to step S9, and the flow sensor 13 is turned off. Further, the flow proceeds to step S10, and when the control device 16 confirms that the flow rate is zero, the flow proceeds to step S11, where the power switch 18S is turned off, and then at step S12. The electrolysis is stopped and the process is completed.

[0050]

As described above, according to the apparatus for producing electrolyzed water according to the present invention, regardless of the discharge amount of produced water,
A single unit can generate the required amount of electrolyzed water with the required water quality at the required time, so that a necessary amount of electrolyzed water can be prepared in advance by preparing a tank, etc. There is no need to add additional equipment, and it is extremely convenient and economical to use.

Further, since an aqueous solution of sodium chloride or potassium chloride having a predetermined concentration and an aqueous solution of hydrochloric acid or dilute hydrochloric acid are used as the electrolytes, the components are stable. For example, the synthetic components of tap water (raw water) vary depending on the region. There is no problem such as variation of electrolytic reaction caused by different, always stable electrolysis and constant effective chlorine concentration and pH
This is advantageous in that electrolytically generated water having the following characteristics can be obtained.

[Brief description of the drawings]

FIG. 1 is a configuration diagram illustrating the entire electrolyzed water generation device according to the present invention.

FIG. 2 is a block diagram illustrating an electrical configuration of a control device constituting the present invention.

FIG. 3 is a graph showing the relationship between the amount of salt solution added, the percentage per unit time when an electrode is turned on, and the amount of generation.

FIG. 4 is a graph showing the relationship between the amount of hydrochloric acid added and the pH when 50 ppm is set.

FIG. 5 is a graph showing the relationship between the amount of hydrochloric acid added and the amount produced when 50 ppm is set to adjust the pH to 6.5.

FIG. 6 is a flowchart illustrating a processing procedure according to the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Electrolysis tank 1T Diaphragm 1A Anode chamber 1A 'Discharge port 1B Cathode chamber 1B' Discharge port 4 Salt dissolving apparatus or salt tank 5P pump 7 Hydrochloric acid dissolving tank 9P pump 10 Raw water supply pipe 13 Flow meter 18 DC power supply 18S Power switch 16 control Apparatus 21Z, 23Z, 24Z Dilution mixing section 22 Stirring tank 34 Pulse current controller

Claims (7)

[Claims] An electrolytic cell is divided into two chambers, an anode chamber and a cathode chamber, by a diaphragm, a current flows between electrodes provided in each of these chambers, and water to be electrolyzed is sent into each chamber. Generate anode water in the anode chamber, generate cathode water in the cathode chamber,
An electrolyzed water generator configured to discharge these electrolyzed waters from discharge ports provided in each chamber, comprising: an anode for supplying an aqueous sodium chloride solution or an aqueous potassium chloride solution as water to be electrolyzed to the anode chamber. While the side electrolyzed water supply means is connected, the cathode chamber is connected to a cathode side electrolyzed water supply means for supplying an aqueous solution of hydrochloric acid or dilute hydrochloric acid as the water to be electrolyzed, and each of the anode chamber and the cathode chamber is connected. Electrolytic current control means for controlling the amount of electricity supplied to the electrodes so as to increase in proportion to the increase in the supply amount of the electrolyzed water to the anode chamber and to decrease in proportion to the decrease when decreasing the supply amount of the electrolyzed water to the anode chamber. An electrolyzed water generating apparatus, comprising: 2. An electrolytic cell is divided into two chambers, an anode chamber and a cathode chamber, by a diaphragm, a current flows between electrodes provided in these chambers, and water to be electrolyzed is sent into each chamber. Generate anode water in the anode chamber, generate cathode water in the cathode chamber,
An electrolyzed water generator configured to discharge these electrolyzed waters from discharge ports provided in each chamber, comprising: an anode for supplying an aqueous sodium chloride solution or an aqueous potassium chloride solution as water to be electrolyzed to the anode chamber. While the side electrolyzed water supply means is connected, the cathode chamber is connected to a cathode side electrolyzed water supply means for supplying an aqueous solution of hydrochloric acid or dilute hydrochloric acid as the water to be electrolyzed, and each of the anode chamber and the cathode chamber is connected. A pulse current for varying the ON / OFF duty ratio is applied between the electrodes, and the ON / OFF duty ratio is set to an ON time ratio when the supply amount of the electrolyzed water to the anode chamber is increased. An electrolyzed water generating apparatus characterized by comprising an electrolysis current control means for controlling the ON time ratio to increase in proportion to the ON time ratio and decrease in proportion to the decrease in the case of decreasing the ON time ratio. 3. The electrolytic water generation according to claim 1, wherein the supply amount of the electrolyzed water by the cathode side electrolyzed water supply means can be variably adjusted independently of the anode side. apparatus. 4. An electrolyzed water mixture which can be mixed with anodic water generated and discharged in the anodic chamber and cathodic water generated and discharged in the cathodic chamber at an arbitrary ratio. 3. An electrolyzed water generating apparatus according to claim 1, further comprising means. 5. An anode water generated in an anode chamber, a cathode water generated in a cathode chamber, or a mixed water thereof is mixed with raw water such as tap water at an arbitrary ratio. 3. An electrolyzed water generating apparatus according to claim 1, further comprising a diluting / mixing means capable of forming a mixed water by mixing. 6. A pump is used as a means for supplying the electrolyzed water on the anode side and the cathode side, and a flow meter for detecting a flow rate is provided in a raw water supply flow path such as a water pipe, and the raw water measured by the flow meter is provided. The pumps on the anode side or the cathode side are controlled and operated in accordance with the flow rate of the anode water or the cathode water, so that the required amount of the generated anode water or cathode water or the mixed water can be mixed with the above-mentioned raw water. The electrolyzed water generator according to claim 1 or 2, wherein 7. A related data of a supply amount of electrolyzed water to be supplied to a cathode chamber side when a predetermined flow rate of electrolyzed water having each available chlorine concentration is generated, and a pH value of electrolyzed water generated as a result. Means for storing the pH value set based on the relevant data stored in the storage means, the supply amount of the electrolyzed water to the cathode chamber side at each available chlorine concentration, and the generation of electrolysis. The supply amount of the electrolyzed water to the cathode chamber is determined from the flow rate value determined based on the relationship with the water generation amount, and the cathode side electrolyzed water supply means is controlled based on the determined supply amount. And a cathode chamber side supply amount control means for supplying a constant amount of water to be electrolyzed.
Or the electrolyzed water generator according to 2.