JPH0871562A - Ionic water generator - Google Patents

Abstract

PURPOSE: To prevent ionic water electrolyzed in an electrolytic bath from stagnating and to improve the efficiency of electrolysis. CONSTITUTION: In a cylindrical electrolytic bath 7, both electrodes 11, 12 and a diaphragm 14, which is placed between the electrodes, are arranged concentriacally. The diaphragm 14 is supported by spiral members 18a, 18b located respectively outside and inside the diaphragm 14 to face the anode 11 and the cathode 12. In this way, water is arranged to flow smoothly in the electrolytic bath 7 along the outside and inside spiral members 18a, 18b. Additionally, since the spiral members 18a, 18b are formed in the direction opposite to each other, the diaphragm is reinforced adequately.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an ionized water producing apparatus for producing alkaline ionized water and acidic ionized water by electrolyzing water mainly used as drinking water.

[0002]

2. Description of the Related Art Conventionally, as shown in FIGS. 6 and 7, this type of ionized water producing apparatus has a body of the ionized water producing apparatus in which a water purification cartridge 1 as a purification member and a pair of electrodes 11 are provided. And 12 are provided side by side. The water purification cartridge 1 is integrally formed of a material such as plastic, and is filled with an activated carbon filter 6 held by a hollow fiber filter 4 and a non-woven fabric 5 inside. The water introduced to the inflow port is passed through the activated carbon filter 6 through the nonwoven fabric 5 to remove organic substances and the like. The electrodes 11 and 12
Are arranged concentrically with a cylindrical diaphragm 14 sandwiched inside the electrolytic cell 7, and the diaphragm 14 is prevented from moving in a preset flow path by running water by a support frame 15 formed in a lattice shape. Is held as.

The tap water is supplied to the water purification cartridge 1 through the water channel 3, and the water supplied to the water purification cartridge 1 is purified by passing through the activated carbon filter 6 and the hollow fiber membrane filter 4, and then the water channel 2 To the inside of the electrolytic cell 7. The water sent into the electrolyzer 7 is electrolyzed by the pair of electrodes 11 and 12, alkaline ionized water is generated on the negative electrode 12 side, and acidic ionized water is generated on the positive electrode 11 side. Then, the alkaline ionized water is discharged through the water channel 8. On the other hand, the acidic ionized water is discharged to the outside of the main body through the water channel 9.

[0004]

However, in the conventional ionized water generator as described above, as shown in FIG. 7, since the support frame 15 of the diaphragm 14 is formed in a grid pattern, the inside of the electrolytic cell 7 is prevented. The electrolyzed alkaline ionized water and acidic ionized water in 1 flow from the water channel 2 to the water channel 8 or the water channel 9 along the grid-like portion. For this reason, there is a problem in that the flow is stalled at a place far from the water channel 2, the water channel 8 and the water channel 9, and gas and scale generated during electrolysis are retained to lower the electrolysis efficiency.

The present invention has been made to solve the above-mentioned problems, and it is possible to prevent retention of ionized water electrolyzed inside the electrolytic cell, improve electrolysis efficiency, and firmly hold the diaphragm. It is an object of the present invention to provide an ionized water generator capable of performing

[0006]

In order to achieve this object, an ionized water producing apparatus of the present invention comprises a negative electrode and a positive electrode which are arranged in an electrolytic cell at positions facing each other through a cylindrical diaphragm. In an ionized water generator for generating alkaline ionized water on the side of the negative electrode by energizing with, a spiral extending along the cylindrical axis of the diaphragm on the inner and outer surfaces of the diaphragm facing the negative electrode and the positive electrode, respectively. The member is provided.

Further, in the ionized water producing apparatus according to the second aspect, the inner and outer spiral members are formed in directions opposite to each other.

Further, in the ionized water producing apparatus according to the third aspect of the present invention, rectifying pieces for inducing the flow of the ionized water are formed on both the spiral members.

[0009]

In the ionized water producing apparatus of the present invention having the above construction, raw water is supplied to the electrolytic cell, and the negative electrode and the anode electrode in the electrolytic cell are energized to electrolyze the raw water. The cylindrical diaphragm prevents the alkaline ionized water generated at the cathode electrode and the acidic ionized water generated at the anode electrode from mixing in the electrolytic cell. Both ionic water generated by electrolysis flow in the electrolytic cell along a spiral member provided on the inner and outer surfaces of the diaphragm.

Further, since the inner and outer spiral members are formed in opposite directions, the partition wall is strongly held.

Further, the straightening pieces provided on the inner and outer spiral members guide the flow of the respective ionized water.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the ionized water generator of the present invention will be described below with reference to the drawings.

First, the structure of the ionized water generator will be described with reference to FIGS. 1 and 2.

A water purification cartridge 1 as a purification member and an electrolytic cell 7 having a pair of electrodes 11 and 12 are juxtaposed in the main body of the ionized water producing apparatus, and a water channel 2 connecting them is formed. It is composed of water channels 8 and 9 for discharging ion water, and a water channel 3 for supplying tap water into the apparatus main body.

The water purification cartridge 1 includes a container 31 and
The hollow fiber filter 4 contained in the container 31, the nonwoven fabric 5, and the activated carbon filter 6 are included. Container 3
The inside of 1 is partitioned by a non-woven fabric 5 arranged at intervals in the vertical direction, and an activated carbon filter 6 is placed between the non-woven fabrics 5.
Is filled. Above the activated carbon filter 6,
The hollow fiber filter 4 is arranged. A water channel 3 is connected to the bottom of the water purification cartridge 1 so that a water source (not shown) may be connected to the water channel 3 via the water channel 3.
Water is supplied inside.

A water channel 2 is formed in the water purification cartridge 1 so as to penetrate the central portion thereof, and the water passing through the activated carbon filter 6 and the hollow fiber filter 4 flows into the water channel 2. It flows into the electrolytic cell 7 described later.

Next, the structure of the electrolytic cell 7 will be described with reference to FIG. Inside the electrolyzer 7, an electrolyzer case 1 is provided.
The outer cylindrical electrode 11 disposed inside the outer outer wall 10a of 0 at a predetermined required interval, and the electrolytic cell case 1
The inner cylindrical electrodes 12 arranged from the inner outer wall 10b of 0 at a predetermined interval form a pair of electrodes, and one end of each is exposed on the upper surface of the electrolytic cell case 10 to form a terminal 13.

The outer cylindrical electrode 11 and the inner cylindrical electrode 12
A cylindrical partition wall 14 is disposed between the two, and the partition wall 14 partitions the interior of the electrolytic cell 7 into two chambers, specifically, an inner alkaline ion chamber and an outer acidic ion chamber. Has been. The partition wall 14 is made of, for example, a non-woven fabric made of polyester, and extremely small water permeation holes (about 2 μm) are formed around the partition wall 14. On the upper surface of the electrolytic cell case 10, the alkaline ion water discharge passage 8 and the acidic ion water discharge passage 9 are provided at positions corresponding to the alkaline ion chamber and the acidic ion chamber, respectively.

Next, the structure of the unit of the partition wall 14 and the support frame 15 holding it will be described with reference to FIGS.

The support frame 15 includes outer and inner cylindrical portions 16a and 16b located above the partition wall 14 and outer and inner cylindrical portions 17a and 1b located below the partition wall 14.
7b and their upper and lower cylindrical portions 16a, 16b, 17a,
A plurality of outer and inner spiral members 18a, 18b located between 17b and extending along the cylindrical axis of the diaphragm 14 and rectifying pieces 19a formed on both spiral members 18a, 18b for guiding the flow of ion water. , 19b.

The support frame 15 is made of a synthetic resin material, and the outer cylindrical portion 16a,
17a, the outer spiral member 18a, and the rectifying piece 18a are integrally molded from the outside of the partition wall 14 and the inner cylindrical portion 16
b, 17b, the inner spiral member 18b, the rectifying piece 18b,
It is integrally molded from the inside of the partition wall 14 to form one partition unit. A plurality of outer spiral members 18a and a plurality of inner spiral members 18b are formed at intervals, and as shown in FIGS. 4 and 5, are formed in opposite directions.

Next, the operation of the ionized water generator having the above-mentioned structure will be described with reference to FIGS. 1 to 5.

Purified water cartridge 1 from the raw water inflow passage 3
The tap water supplied to is passed through the activated carbon filter 6 through the non-woven fabric 5 to remove organic substances by adsorption. Next, by passing through the hollow fiber filter 4 filled in the upper part of the water purification cartridge 1, fine impurities are removed and purification is performed. The purified water purified in the purified water cartridge 1 is discharged from the purified water outflow passage 2 and supplied to the electrolytic cell 7. The purified water supplied to the electrolytic cell 7 is electrolyzed by applying a DC voltage to the terminal 13 exposed on the upper part of the electrolytic cell 7 with the outer cylindrical electrode 11 as a positive electrode and the inner cylindrical electrode 12 as a negative electrode. It is supposed to be done. By the electrolysis, alkaline ionized water is generated in the alkaline ion chamber of the electrolytic cell 7 and acidic water is generated in the acidic ion chamber.

The generated alkaline ionized water and acidic ionized water pass through an alkaline ionized water discharge passage 8 and an acidic ionized water discharge passage 9 provided in the upper part of the electrolytic bath 7, and the electrolytic bath 7 is discharged.
More discharged and used. At this time, since the rectifying pieces 19a and 19b of the support frame 15 also function as spacers between the outer tubular electrode 11 and the inner tubular electrode 12 inside the electrolytic cell 7, the purified water supplied to the electrolytic cell 7 is an inner spiral. It is ionized while flowing along the linear member 18b and the outer spiral member 18a. Therefore, the flow of water becomes uniform inside the electrolysis tank 7, and it is possible to prevent the problem that the gas or scale generated by electrolysis stays in the parts far from each water channel and reduces the electrolysis efficiency. it can.

Further, in this embodiment, since the diaphragm 14 is supported by the spiral members 18a and 18b in the opposite directions, the diaphragm 1 can be formed even if the width of the spiral members 18a and 18b is narrowed.
4 can be firmly held, and since the area of the diaphragm 14 can be made large, the efficiency of ionization is improved.

In the above-described embodiment, a plurality of scattered rectifying pieces 19a, 19b are arranged in a spiral shape. However, streak-shaped projections continuous along the spiral members 18a, 18b may be used. Incidentally, by making them scattered, it becomes easier for gas to escape upward from the intermittent portions of the rectifying pieces 19a, 19b.

When the diaphragm 14 itself has strength and can maintain its shape, the inner surface and the outer surface of the cylindrical diaphragm 14 are provided with spiral concavo-convex portions opposite to each other.
Even if it is formed so as to project from the surface of the membrane, the strength of the diaphragm 14 itself is increased, and as described above, the ionic water can smoothly flow.

[0028]

As is apparent from the above description,
In the ionized water generator of the present invention, both ionized water generated by electrolysis flows in the electrolytic cell along the spiral members on the inner and outer surfaces of the diaphragm, so that the flow in the electrolytic cell becomes uniform. The electrolysis efficiency can be increased.

Moreover, in the ionized water generator according to the second aspect of the present invention, since both spiral members are formed in opposite directions, the diaphragm can be strongly held.

Further, the rectifying piece provided on the spiral member is
Since the flow of both ionized water is induced, the flow inside the electrolytic cell can be made more uniform, and the electrolysis efficiency can be further enhanced.

[Brief description of drawings]

FIG. 1 is a sectional view showing an embodiment of the present invention.

FIG. 2 is an enlarged sectional view of the electrolytic cell of the present invention.

FIG. 3 is a perspective view of a unit of the partition wall and its supporting frame of the present invention.

4 is a development view of the unit shown in FIG. 3 as viewed from the outside.

5 is an enlarged cross-sectional view taken along the line AA of FIG.

FIG. 6 is a cross-sectional view showing a conventional ionized water generator.

FIG. 7 is a perspective view of a conventional partition and its supporting frame unit.

[Explanation of symbols]

 7 Electrolyzer 11 Outside cylindrical electrode 12 Inside cylindrical electrode 14 Partition wall 15 Support frame 18a Outside spiral member 18b Inside spiral member 19a Rectifying piece 19b Rectifying piece

Claims (3)

[Claims] 1. An electric current is applied to a negative electrode and a positive electrode, which are arranged in a position facing each other through a cylindrical diaphragm in an electrolytic cell,
In an ionized water generator for generating alkaline ionized water on the negative electrode side, a spiral member extending along the cylindrical axis of the diaphragm on the inner side surface and the outer side surface of the diaphragm facing the negative electrode and the positive electrode, respectively. An ionized water generation device characterized by being provided with. 2. The ionized water generator according to claim 1, wherein the inner and outer spiral members are formed in directions opposite to each other. 3. The ionized water generator according to claim 1, wherein rectifying pieces for guiding the flow of ionized water are formed on the inner and outer spiral members, respectively.