JP3489783B2 - Ionized water generator and partition wall for ionized water generator - Google Patents

Description

Detailed Description of the Invention

[0001]

TECHNICAL FIELD The present invention relates to alkaline functional water (alkali ionized water) for promoting health by electrolyzing water.
The present invention relates to an ion water desalination apparatus and a partition wall for an ion water desalination apparatus that generate medical water (acidic ion water) for sterilization.

[0002]

2. Description of the Related Art Conventionally, in the electrolysis of water, an electrolytic cell having an ion exchange membrane in the central part and a positive electrode in one electrolytic chamber of the electrolytic cell and a negative electrode in the other electrolytic chamber are disposed. I am doing it.

[0003]

In the electrolysis of water using a conventional ion exchange membrane, almost all the charge transfer is carried out by the cation transfer from the positive electrode to the negative electrode, and the reverse transfer of the hydroxide ion occurs. Therefore, the pH of the acidic ionized water generated in the positive electrode tank is significantly lowered, which is a drawback. Further, when electrolyzing with an equal amount of water, the reaction on the negative electrode tank side has a drawback that the pH of the alkaline ionized water becomes high.

In view of the above-mentioned conventional drawbacks, the present invention has been made.
(EN) An ion water desalination apparatus capable of controlling the target pH of ion water by halving the amount of electricity applied to the negative electrode in order to balance the amount of hydrogen ion production by controlling the amount of electricity applied. It is an object.

Further, the present invention provides an ion water desalination apparatus capable of electrolyzing water introduced into an electrolytic cell into pure ion water and also producing ion water having an increased ion concentration. Is intended.

The above and other objects and novel features of the present invention will become more fully apparent when the following description is read in view of the accompanying drawings. However, the drawings are only for explanation and do not limit the technical scope of the present invention.

[0007]

In order to achieve the above object, the present invention provides an electrolytic cell capable of electrolysis,
Two partition walls provided with ion exchange membranes arranged so as to be partitioned into three electrolysis chambers, a positive electrode provided in the electrolysis chamber at the center of the electrolysis bath, and the electrolysis bath. An ion water desalination apparatus comprising a negative electrode to which half of the current is applied to the positive electrode provided in each of the electrolysis chambers of the positive electrode and the negative electrode on both sides. The ion water desalination apparatus is constructed so that the distance between the positive electrode and the negative electrodes on both sides can be changed by adjusting the movement of one.

Further, according to the present invention, in the partition wall for partitioning the inside of the electrolytic cell for electrolyzing the ionized water producing apparatus into the electrolytic chamber,
A box-shaped partition wall main body having a cation exchange membrane and an anion exchange membrane on both sides of the partition wall, a water supply device for supplying water for increasing the ion concentration from the bottom into the partition wall main body, A pressure equalizing plate, which is installed in at least one partition wall main body so as to equalize the water supplied into the partition wall main body, and an overflow water recovery device which is attached to the upper part of the partition wall main body. Constitutes the partition wall for the ionized water desalination device.

[0009]

BEST MODE FOR CARRYING OUT THE INVENTION The present invention will be described in detail below with reference to the embodiments shown in the drawings.

In the first embodiment of the present invention shown in FIGS. 1 to 6, reference numeral 1 denotes an electrolytic cell installed on the upper part of a machine frame 2 for electrolyzing water. Supporting pieces 4, 4 are formed on the inner wall surface of the electrolytic cell 1 so as to be partitioned into three electrolytic chambers 3, 3A, 3.

Reference numerals 5 and 5 denote the electrolytic cell 1 and three electrolytic chambers 3,
3A, a pressing member 7 using four turnbuckle mechanisms on the supporting pieces 4, 4 with sealing materials 6, 6 between them.
With two partition walls that are pressed and fixed by 7, 7, and 7,
As shown in FIGS. 4 and 5, the two partition walls 5 and 5 are provided with a plurality of cation exchange membranes 8 and a plurality of anion exchange membranes 9 whose outer peripheral portions are supported by the support pieces 4. A pair of partition wall bodies 10 and 10A, a channel-shaped frame body 12 for forming a water chamber 11 between the pair of partition wall bodies 10 and 10A, and a water chamber 11 in the frame body 12 The water supply device 13 supplies and discharges water and drinking water.

Reference numeral 14 denotes an electrolysis chamber 3A at the center of the electrolysis tank 1.
Fixedly installed in the electrolytic cell 1 so as to be located inside,
It is a positive electrode with titanium coated with platinum.

Numeral 15 is fixedly installed in the electrolysis cell 1 so as to be positioned in the electrolysis chamber 3 at one side of the electrolysis cell 1 and is approximately half of the current flowing to the positive electrode 14. It is a fixed negative electrode made of titanium coated with platinum, through which an electric current flows.

15A is an electrolysis chamber 3 on the other side of the electrolysis tank 1.
The negative electrode support member 43 so that it can be positioned at any position inside
Is a movable negative electrode which can be fixed to the electrolytic cell 1 by lock bolts 44, 44 so that the position of the positive electrode 4 can be adjusted.

Reference numeral 16 is each of the electrolysis chambers 3 and 3A of the electrolysis tank 1.
Drinking water such as tap water that is electrolyzed into 3 branch pipes 17, 1
An on-off valve 18, 18, 18 is provided in each of the branch pipes 17, 17, 17 of the decomposed water supply device 16 for supplying the decomposed water using 7, 7.

Reference numeral 19 denotes an electrolysis chamber 3A at the center of the electrolysis cell 1.
It is an acidic ion water recovery device that drains the pure acidic ion water generated in step 1 to the acidic ion water storage tank 20 via the acidic ion water drain pipe 19a provided with the opening / closing valve 21.

22 and 22A are alkaline ionized water drainage pipes 2 provided with opening / closing valves 23 and 23 for pure alkaline ionized water generated in the electrolysis chambers 3 and 3 on both sides of the electrolytic cell 1.
Alkaline ion water storage tanks 25, 2 via 4, 24
It is an alkaline ionized water recovery device that drains to 5A.

Reference numeral 26 denotes the positive electrode 14 and the fixed negative electrode 1.
5. A voltage control device for controlling the voltage for supplying a desired current to the movable negative electrode 15A.

In the ion water desalination apparatus 27 having the above structure, when alkaline ionized water having the same pH is produced in the electrolysis chambers 3 and 3 inside the electrolytic cell 1, the distance from the positive electrode 14 is the same. When the movable negative electrode 15A is positioned as described above and alkaline ionized water of different pH is produced, the positive electrode 1
The movable negative electrode 15A is moved and set so that the distance between the movable negative electrode 15A and the movable negative electrode 4 is different. After that, each of the electrolysis chambers 3 and 3A of the electrolyzer 1,
Opening the on-off valves 18, 18, 18 of the decomposed water supply device 16 inside 3, and supplying a predetermined amount of drinking water respectively, the on-off valve 1
While closing 8, 18, 18 and 2 partition walls 5, 5
Water is supplied into the water chambers 11, 11 by the water supply devices 13, 13.

After that, the positive electrode 14 and the fixed negative electrode 15,
A current is passed through the movable negative electrode 15A for a certain period of time to perform electrolysis. At this time, the anions and cations that have undergone the charge transfer due to the electrolytic reaction are separated and collected by the cation exchange membrane or the anion exchange membrane, and as shown in FIG. The cations of the decomposed water in the chamber 3A are composed of a pair of partition wall bodies 10 of the two partition walls 5 and 1.
After passing through a plurality of cation exchange membranes 8 of 0A, they are guided to the electrolysis chambers 3 and 3 provided with the fixed negative electrode 15 and the movable negative electrode 15A on both sides.

Further, the anions of the decomposed water in the electrolysis chambers 3 and 3 provided with the fixed negative electrode 15 and the movable negative electrode 15A on both sides are provided with a pair of partition wall bodies 10 and 10A of the two partition walls 5 and 5.
After passing through the plurality of anion exchange membranes 9, 9, it is guided to the electrolysis chamber 3A provided with the positive electrode 14 in the central portion.

Further, a water chamber 11 between the pair of partition wall bodies 10, 10A and 10, 10A of the two partition walls 5, 5.
The cations of the tap water and drinking water supplied into 11 are introduced to the electrolysis chambers 3 and 3 on both sides, and the anions are introduced to the electrolysis chamber 3A in the central part to increase the ion concentration and Pure acidic ionized water having a pH of 3.0 to 3.2 is generated in the electrolysis chamber 3A, and the electrolysis chambers 3 on both sides are
3, pure alkaline ionized water having the same pH of 9.2 to 9.8 or different 9.1 to 9.5 and 9.6 to 9.9 is generated.

When acidic ionized water or alkaline ionized water is generated in this way, the opening / closing valve 2 of the acidic ionized water drain pipe 19
1 is opened and stored in the acidic ion water storage tank 20, and the opening / closing valves 23 and 23 of the alkaline ion water drain pipes 22 and 22A are opened to store the alkaline ion water storage tank 2
Store in 5, 25A.

The water that has passed through the two partition walls 5 and 5 can be used as reserve water for producing pure water.

[0025]

Different Embodiments of the Invention Next, different embodiments of the present invention shown in FIGS. 7 to 28 will be described. In addition,
In the description of these different embodiments of the present invention, the same components as those of the first embodiment of the present invention will be denoted by the same reference numerals and redundant description will be omitted.

The second embodiment of the present invention shown in FIGS. 7 and 8 is mainly different from the first embodiment of the present invention in that the inside of the electrolysis chamber 3A in the central portion of the electrolytic cell 1 is different. As described above, at least two positive electrodes 14A, 14A, 14A, which are formed by coating titanium with a large number of holes 28 with platinum plating, and in the embodiment of the present invention, three positive electrodes 14A, 14A, 14A, are arranged in parallel at a predetermined interval. Formed positive electrodes 14A, 14A, 14A
By arranging 3 sheets in parallel at a predetermined interval, the conductivity is improved, and it can be used for electrolysis of water containing heavy metals, and ions can be moved by the large number of holes 28 in the positive electrodes 14A, 14A, 14A. Therefore, it is possible to provide an ion water desalination apparatus 27A capable of easily producing strong acid ion water and strong alkali ion water.

The third embodiment of the present invention shown in FIGS. 9 and 10 is mainly different from the second embodiment of the present invention in that the inside of the electrolytic chamber 3A in the central portion of the electrolytic cell 1 is different. At least two or more positive electrodes 14B, 14B, 1 in the embodiment of the present invention, which are formed by weaving or knitting the titanium-coated platinum-plated wire material 29 to form a mesh shape.
Even with the ion water desalination apparatus 27B configured in this way, the same effects as those of the second embodiment of the present invention can be obtained in that the 4B are arranged in parallel at a predetermined interval.

The fourth embodiment of the present invention shown in FIGS. 11 and 12 is mainly different from the second embodiment of the present invention in that the inside of the electrolytic chamber 3A in the central portion of the electrolytic cell 1 is different. A positive electrode 14 formed by weaving or knitting a wire 29 coated with titanium and platinum plating to form a cylindrical mesh.
In view of the provision of C, the ion water desalination apparatus 27C having the above-described structure can also obtain the same operational effect as that of the second embodiment of the present invention.

The fifth embodiment of the present invention shown in FIGS. 13 and 14 is mainly different from the first embodiment of the present invention in that the electrolysis chambers 3 and 3 on both sides of the electrolytic cell 1 are different from each other. Electrode plates 15a, 15a in which a perforated plate obtained by coating titanium with a large number of holes 28 formed therein by platinum plating is formed into an elliptic cylinder shape.
In terms of using the fixed negative electrode 15 and the movable negative electrode 15A, the ion water desalination apparatus 27D configured in this way has the same effect as that of the first embodiment of the present invention. can get.

The sixth embodiment of the present invention shown in FIGS. 15 and 16 is mainly different from the fifth embodiment of the present invention in that a wire 29 made of titanium coated with platinum is woven. In the point that the fixed negative electrode 15 and the movable negative electrode 15A using the elliptic cylindrical mesh-shaped electrode plates 15b and 15b are used by knitting or the like, the ion water desalination apparatus 27E configured in this way also has The same effects as those of the fifth embodiment of the present invention can be obtained.

The seventh embodiment of the present invention shown in FIGS. 17 and 18 is mainly different from the first embodiment of the present invention in that the negative electrodes 15 and 15 on both sides are connected to the electrolytic cell 1.
Fixedly installed in the electrolysis tank 1 with the positive electrode 14D
In addition, the positive electrode support member 45 can be attached by the lock bolts 46, 46 so that it can be positioned at any position in the electrolysis chamber 3A. The same effect as that of the first embodiment of the invention can be obtained.

The eighth embodiment of the present invention shown in FIGS. 19 to 21 is mainly different from the first embodiment of the present invention in that the negative electrode support member 43 is disposed above the electrolytic cell 1. It is mounted so as to be slidable, and a screw shaft 31 that is screwed into a screw hole 30 formed in substantially the central portion of the negative electrode support member 43 can be rotated normally or reversely by a forward / reverse rotation motor 32 attached to the electrolytic cell 1. An ion water desalination apparatus 27G configured in this manner in terms of using the electrode moving apparatus 33.
In this case, the same effect as that of the first embodiment of the present invention can be obtained, and the negative electrode support member 43 is slid by the negative electrode moving device 33 so that the electrolytic chamber 3 in the electrolytic cell 1 can be moved. The opening is enlarged and electrolysis is performed to easily store clothes or the like to which a substance that can be removed is attached in the electrolysis chamber 3, and then the negative electrode support member 43 is moved to a predetermined position to generate electricity. Decomposition can be done.

In the ninth embodiment of the present invention shown in FIGS. 22 to 25, the main difference from the fifth embodiment of the present invention is two partition walls 5A and 5A. Each of the partition walls 5A and 5A has a channel-shaped fixed frame 36 in which a water passage 34 capable of supplying water for increasing the ion concentration is formed on one side wall and a drainage port 35 is formed on the other side wall. And a pair of partition wall main bodies 10 and 10 having a cation exchange membrane 8 and an anion exchange membrane 9 fixed by a plurality of screws 37 so as to cover both side surfaces of the fixed frame 36, and the pair of partition walls. Wall body 1
In the fixed frame 36 covered with 0 and 10, at least one pressure equalizing plate 38, 38, 38 is formed of three perforated plates at predetermined intervals in the embodiment of the present invention. . Even if the ion water desalination apparatus 27H using the partition walls 5A and 5A configured as described above is used, the same operation and effect as those of the fifth embodiment of the present invention can be obtained, and two partition walls 5A are provided. Since the water for increasing the ion concentration supplied to the inside of 5A sequentially flows from the lower part to the upper part, the ions of the water can be efficiently moved.

The tenth aspect of the present invention shown in FIGS. 26 to 28.
In the embodiment of the present invention, the difference from the ninth embodiment of the present invention is mainly that the drainage ports 3 of the two partition walls 5A and 5A are different.
The overflow water drained from Nos. 5 and 35 is used for the hose 39.
The overflow water recovery tank 40 can be recovered via the
0 of overflow water is supplied by the overflow water supply device 43 with the hose 42 and the pump 41 interposed.
By supplying the ionized water to the interior of A, the ionized water demineralizer 27I configured as described above is used to increase the ion concentration, and overflow water having a pH of 5 to 6 is used as acidic ions. It is possible to efficiently produce acidic ionized water by supplying it to the electrolysis chamber 3A for producing water, and to eliminate water to be discharged.

[0035]

As is apparent from the above description, the following effects can be obtained in the present invention.

(1) An electrolyzer capable of performing electrolysis, two partition walls provided with an ion exchange membrane arranged so that the interior of the electrolyzer is divided into three electrolysis chambers, and the electrolyzer. Of the positive electrode provided in the electrolysis chamber at the center of the electrolysis chamber, and the negative electrode provided with the positive electrodes provided at the electrolysis chambers at both sides of the electrolyzer, respectively, to which half of the current is applied. In the water device, either one of the positive electrode and the negative electrodes on both sides can be moved and adjusted so that the distance between the positive electrode and the negative electrodes on both sides can be changed. It is possible to create water and three kinds of ionized water with different pH. Therefore, three types of ionized water can be efficiently produced, and the cost can be reduced.

(2) Since only one of the positive electrode and the negative electrodes on both sides can be moved and adjusted by the above (1), it can be easily manufactured, and
Different alkaline ionized water can be easily created.

(3) According to the above item (1), the amount of hydrogen ions produced can be balanced by controlling the amount of electricity supplied. Therefore, the target pH control of the ionized water can be performed. Further, anions and cations that have undergone charge transfer due to electrolytic reaction can be separated and collected by the ion exchange membrane.

(4) According to the second aspect, the same effects as the above (1) to (3) can be obtained, and two partition walls are provided with a cation exchange membrane and an anion exchange membrane, respectively. It can be generated in acidic acidic water and alkaline ionized water.

(5) Claims 3 and 4 are the above (1) to (4).
In addition to obtaining the same effect as above, it is possible to increase the amount of electricity supplied by the water supplied to the two partition walls, promote the hydrogen ion production amount, and adjust the balance of the decrease, thereby increasing the ion concentration.

(6) Claims 4, 5, 6, and 7 are defined in the above (1).
~ The same effect as in (4) is obtained, and at least two positive electrodes or a positive electrode or negative electrode formed in a cylindrical mesh shape are used, in which a large number of holes are formed or a mesh shape is formed. Since it has a good conductivity, it can be used for the electrolysis of water containing heavy metals, and it also enables the movement of ions at the positive electrode, making it easy to produce strong acid ion water and strong alkaline ion water. it can.

[Brief description of drawings]

FIG. 1 is a plan view of a first embodiment of the present invention.

FIG. 2 is a front view of the first embodiment of the present invention.

FIG. 3 is an enlarged sectional view taken along line 3-3 of FIG.

FIG. 4 is an exploded perspective view of the partition wall according to the first embodiment of this invention.

FIG. 5 is a partially cutaway explanatory view of the partition wall according to the first embodiment of this invention.

FIG. 6 is an explanatory diagram during electrolysis according to the first embodiment of this invention.

FIG. 7 is a plan view of the second embodiment of the present invention.

FIG. 8 is an explanatory diagram of a positive electrode according to a second embodiment of the present invention.

FIG. 9 is a plan view of the third embodiment of the present invention.

FIG. 10 is an explanatory diagram of a positive electrode according to a third embodiment of the present invention.

FIG. 11 is a plan view of the fourth embodiment of the present invention.

FIG. 12 is an explanatory diagram of a positive electrode according to a fourth embodiment of the present invention.

FIG. 13 is a plan view of the fifth embodiment of the present invention.

FIG. 14 is an explanatory diagram of a negative electrode according to a fifth embodiment of the present invention.

FIG. 15 is a plan view of the sixth embodiment of the present invention.

FIG. 16 is an explanatory diagram of a negative electrode according to a sixth embodiment of the present invention.

FIG. 17 is a plan view of the seventh embodiment of the present invention.

FIG. 18 is a front view of the seventh embodiment of the present invention.

FIG. 19 is a plan view of the eighth embodiment of the present invention.

20 is an enlarged cross-sectional view taken along line 20-20 of FIG.

FIG. 21 is an explanatory diagram of a moving state of the negative electrode according to the eighth embodiment of the present invention.

FIG. 22 is a plan view of the ninth embodiment of the present invention.

FIG. 23 is a front view of the ninth embodiment of the present invention.

24 is an enlarged cross-sectional view taken along the line 24-24 in FIG.

FIG. 25 is an exploded perspective view of a partition wall according to a ninth embodiment of this invention.

FIG. 26 is a plan view of the tenth embodiment of the present invention.

FIG. 27 is a front view of the tenth embodiment of the present invention.

FIG. 28 is an explanatory diagram of an overflow water supply device according to the tenth embodiment of the present invention.

[Explanation of symbols]

1: electrolysis tank, 2: machine frame, 3A: electrolysis chamber, 4: supporting piece, 5A: partition wall, 6:
Sealing material, 7: Pressing tool, 8: Cation exchange membrane, 9: Anion exchange membrane, 10: Partition wall body, 1
1: Water chamber, 12: Frame body, 13: Water supply device, 14, 14A to 14D: Positive electrode, 15: Fixed negative electrode, 15A: Movable negative electrode, 16: Dissolved water supply device, 17: Branch pipe, 18 : On-off valve, 1
9: Acid ion water recovery device, 20: Acid ion water storage tank, 21: Open / close valve, 22 and 22A: Alkaline ion water recovery device, 23: Open / close valve, 24:
Alkaline ion water drain pipe, 25: Alkaline ion water storage tank, 26: Voltage control device, 27, 27A to 27I:
Ion water demineralizer, 28: many holes, 29: wire rod, 30: screw hole, 31: screw shaft, 3
2: forward / reverse rotation motor, 33: negative electrode moving device, 34:
Water channel, 35: drain port, 36: fixed frame, 37: screw, 38: pressure equalizing plate, 39:
Hose, 40: Overflow water recovery tank, 41: Pump, 42: Supply hose, 43: Cathode support member, 44: Rock bolt.

Claims (8)

(57) [Claims] 1. An electrolytic cell capable of performing electrolysis, two partition walls provided with an ion exchange membrane arranged so that the interior of the electrolytic cell is partitioned into three electrolytic chambers, and the electrolytic cell of the electrolytic cell. Ionized water desalination consisting of a positive electrode provided in a central electrolysis chamber and a negative electrode provided with electrolysis chambers provided on both sides of the electrolysis cell, to which half of the current flowing to the positive electrode is respectively passed. In the device, one of the positive electrode and the negative electrodes on both sides can be moved and adjusted so that the distance between the positive electrode and the negative electrodes on both sides can be changed. Ion water demineralizer. 2. An electrolytic cell capable of performing electrolysis, and two partition walls provided with a cation exchange membrane and an anion exchange membrane arranged so that the interior of the electrolytic cell is partitioned into three electrolytic chambers. And a positive electrode provided in the electrolysis chamber at the center of the electrolytic cell, and a negative electrode to which half of the current flowing to the positive electrodes provided in the electrolysis chambers at both sides of the electrolytic cell are respectively passed. In the ion water desalination apparatus consisting of, the distance between the positive electrode and the negative electrodes on both sides can be changed by adjusting the movement of one of the positive electrode and the negative electrodes on both sides. An ion water desalination apparatus characterized in that 3. A pair of partition walls having a cation exchange membrane and an anion exchange membrane arranged so that a water chamber can be formed in the central portion of the two partition walls, and the pair of partition wall bodies are fixed. 3. An ion water production system according to claim 1, wherein the ion water production system comprises a fixing device for supplying water and a water supply device for supplying water for increasing ion concentration into the water chamber between the pair of partition wall bodies. Water equipment. 4. The two partition walls have a box-shaped partition wall body having a cation exchange membrane and an anion exchange membrane on both sides, and water for increasing the ion concentration is supplied into the partition wall body from below. Water supply device and at least one in the partition wall body
A pressure equalizing plate for equalizing the pressure of the water supplied into the partition wall body, which is attached by one or more sheets, and an overflow water recovery device attached to the upper part of the partition wall body. The ionized water desalination apparatus according to claim 1 or 2, which is characterized. 5. The positive electrode is composed of a mesh arranged in parallel at a predetermined interval or at least two or more electrode plates having a large number of holes formed therein. Ionized water demineralizer according to item. 6. The ionized water according to claim 1, wherein the positive electrode is composed of a mesh or a cylindrical electrode plate having a large number of holes formed therein. Desalination equipment. 7. The ionized water according to claim 1, wherein the negative electrode is composed of a mesh or a tubular electrode plate having a large number of holes formed therein. Desalination equipment. 8. A partition wall for partitioning the interior of an electrolytic cell for electrolyzing an ionized water producing apparatus into an electrolysis chamber, and a box-shaped partition wall having cation exchange membranes and anion exchange membranes on both sides of the partition wall. The main body, a water supply device for supplying water for increasing the ion concentration from the lower portion into the main body of the partition wall, and the water supplied into the main body of the partition wall which is attached to at least one sheet in the main body of the partition wall. A partition wall for an ionized water desalination device, comprising: a pressure equalizing plate for equalizing pressure and an overflow water recovery device attached to an upper portion of the partition wall body.