JP2002177970A - Storage water purification method and purification device - Google Patents

Abstract

(57) [Problem] To provide a method and an apparatus for purifying stored water for removing harmful substances in a water storage tank. SOLUTION: A step of supplying storage water from a water storage tank to a container, a step of circulating water in the container, a step of colliding the circulated water with a silicon-like molded body having semiconductor characteristics, And returning the water to the water storage tank.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method and an apparatus for purifying stored water, and more particularly to a method for purifying stored water used for living water, such as drinking water for apartment houses, using a silicon-based molded body having semiconductor characteristics. The present invention relates to a method and a device for purifying stored water that is chemically purified.

[0002]

2. Description of the Related Art Conventionally, in order to supply living water to a residential apartment such as an apartment, water is stored in a water storage tank, and the stored water is supplied to each of the living quarters.
Living water stored in this way is activated carbon,
Using a porous material such as zeolite or activated alumina, or a high molecular compound such as an ion exchange resin or an ion exchange membrane, water is passed directly from the water storage tank, and purification is performed by trapping harmful substances in the pores of these filter media. ing.

[0003] Purification of domestic water is also performed by using a bactericide such as an inorganic chlorine compound in a water storage tank.

[0004] However, in the conventionally known filter media, there is a bias in the performance of capturing and adsorbing harmful substances depending on each of the filter media. There was a problem that it was not possible to maintain and provide a stable purification action. Also, in order to use the filter medium for a long period of time, it was necessary to periodically inspect and clean the inside of the water tank so as to minimize harmful substances in the water tank.

[0005] In addition, when a bactericide such as an inorganic chlorine compound is used, the smell of chlorine remains. Therefore, it is necessary to install a water purifier individually in each living space or to remove the smell by boiling once. It was generating labor and costs.

[0006]

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problem, and has the ability to remove harmful substances irrespective of the kind of harmful substances, and has a long removal ability. An object of the present invention is to provide a filter medium that can be maintained for a period of time, and a method and a device for purifying stored water that can also remove harmful substances in a water tank.

[0007]

The above object of the present invention is achieved by a method and a device for purifying stored water according to the present invention.

That is, according to the first aspect of the present invention, a step of supplying water to the container from the water storage tank, a step of circulating the water in the container, and a step of circulating the circulated water with a silicon material having semiconductor characteristics. A method for purifying stored water is provided, which includes a step of colliding with a molded article and a step of returning water in a container to a water storage tank.

According to the invention of claim 2 of the present invention, the silicon-based molded body having the above-mentioned semiconductor characteristics has 5 to 60% by mass of silicon having semiconductor characteristics and 40 to 95% of metallic silicon.
Provided is a method for purifying stored water, characterized in that the water content is contained by mass%.

According to the invention of claim 3 of the present invention, the silicon-containing molded article having the above-mentioned semiconductor properties further comprises 1 to 10% by mass of tourmaline and 10 to 40% by mass of titanium oxide.
And 2 to 15% by mass of silver zeolite and 0.5 to 5% of silver.
% By mass of the stored water.

According to a fourth aspect of the present invention, there is provided a method for purifying stored water, characterized by mixing air with the circulating water.

According to a fifth aspect of the present invention, there is provided a method for purifying stored water, wherein the water supplied from the water storage tank is domestic water.

According to the invention of claim 6 of the present invention, a container for accommodating water supplied from a water storage tank, a circulating device for circulating water in the container, a silicon-like molded product having semiconductor characteristics, And a spray device for spraying water circulated toward the molded body.

According to the invention of claim 7 of the present invention, the siliconaceous molded body having the above-mentioned semiconductor properties is composed of 5 to 60% by mass of silicon having semiconductor properties and 40 to 95% of metallic silicon.
The present invention provides a storage water purifying device characterized by containing by mass%.

According to the invention of claim 8 of the present invention, the silicon-containing molded article having the above-mentioned semiconductor properties further comprises 1 to 10% by mass of tourmaline and 10 to 40% by mass of titanium oxide.
And 2 to 15% by mass of silver zeolite and 0.5 to 5% of silver.
% By mass of the stored water.

According to a ninth aspect of the present invention, there is provided an apparatus for purifying stored water, comprising an air supply device for supplying air to the circulating water.

[0017]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described in detail with reference to the drawings. An embodiment of the method for purifying stored water according to the present invention will be described with reference to FIGS. 1, 2, and 3. FIG.

FIG. 1 is a view showing a first embodiment of the method for purifying stored water according to the present invention. In the embodiment shown in FIG. 1, the purification device 1 of the present invention is installed near a water storage tank 2 installed on the roof of an apartment house such as an apartment, and is connected to the water storage tank 2 via a line 3. Further, the water storage tank 2 is installed at a higher position with respect to the purification device 1 of the present invention, and the water 4 stored in the water storage tank 2 is supplied to the purification device 1 of the present invention through the line 3. In the purification device 1 of the present invention, the water in the purification device 1 is circulated, and the water supplied from the water storage tank 2 collides with the circulated water and is purified by colliding with the silicon-based molded body.

Further, the purifying apparatus 1 of the present invention comprises a water tank 2
The water purified by the purification device 1 of the present invention is returned to the water storage tank 2 through the line 5. Pump 6 installed in the middle of line 5
Pumps water purified by the purification device 1 of the present invention to the water storage tank 2. In addition, by circulating water between the purification device 1 of the present invention and the water storage tank 2 using the pump 6, the water storage 4 in the water storage tank 2 is purified. The purified water stored in the water storage tank 2 is sent to each living quarter through a line 7 and used as drinking water or the like.

FIG. 2 is a view showing a second embodiment of the method for purifying stored water according to the present invention. In the embodiment shown in FIG. 2, the water storage tank 2 is installed on the roof of an apartment house such as an apartment, the purification device 1 of the present invention is installed on the ground, and the water storage 4 in the water storage tank 2 is supplied through the line 3. ing. As shown in FIG. 2, the water tank 2 and the purification device 1 of the present invention
When there is a difference in height, water supplied from the water storage tank 2 to the purification device 1 of the present invention through the line 3 may flow out of a required amount, and the line 3 is provided with a valve 8 or the like.
The amount of water supplied to the purification device 1 can be controlled.

As shown in FIG. 2, the purifying apparatus 1 of the present invention communicates with the water tank 2 through a line 5 via a pump 6, and the water purified by the purifying apparatus 1 of the present invention is supplied to a pump 5. 6, the water is pumped to the water tank 2 installed on the roof of the apartment house. Further, by circulating water between the purifying apparatus 1 of the present invention and the water storage tank 2 using the pump 6, the water storage 4 in the water storage tank 2 is purified. The purified water stored in the water storage tank 2 is sent to each living quarter through a line 7 and used as drinking water or the like.

FIG. 3 is a view showing a third embodiment of the method of purifying stored water according to the present invention. In the embodiment shown in FIG. 3, the water storage tank 2 is installed in a low place such as underground, and the purification device 1 of the present invention is installed in a position higher than the water storage tank 2 such as on the ground. The purification device 1 of the present invention is connected to the water tank 2 via the pump 6 by the line 3,
The water 4 stored in the water tank 2 is pumped to the purification device 1 of the present invention through the line 3 using the pump 6.

The purifying apparatus 1 shown in FIG.
The water purified by the purification device 1 of the present invention is returned to the water storage tank 2 through the line 5. When the purification device 1 of the present invention is installed at a high position with a height difference with respect to the water tank 2, a valve or the like is provided in the line 5 to control the amount of water returned from the purification device 1 of the present invention. Can be. In addition, by circulating water between the purification device 1 of the present invention and the water storage tank 2 using the pump 6, the water storage 4 in the water storage tank 2 is purified. The purified water 4 in the water tank 2 is sent to each living space through a line 7 via a pump 9 and used as drinking water. In the embodiment shown in FIG. 3, it is also possible to adopt a configuration in which well water is pumped up by a pump, purified by the purification device 1 of the present invention, and supplied to a separately provided water tank.

Next, the circulation of water in the purification method of the present invention will be described with reference to FIG. Note that the same circulation control can be used in the embodiment described with reference to FIGS. In FIG. 4, the water tank 2 (not shown)
The internal water 4 is supplied to the lower part of the container 10 through the line 3. The water supplied from the water storage tank 2 (not shown) and the water flow injected from the injection device 11 are supplied to the lower part of the container 10. The supplied water and the water flow collide with the silicon-based molded body 12. The purified water is purified, and the purified water is pushed up inside the container 10. In addition, the supplied water and the container 1
The water staying in the lower part of the cylinder 0 collides with the silicon molded body 12 under the force of the water flow injected from the injection device 11.

In the upper part of the container 10 shown in FIG.
The purified water pushed up to the upper part in the container 10 overflows and is returned to the water storage tank 2 (not shown) through the line 5. Further, a line 13 branches off from the line 5, and valves 14 a and 14 b are disposed on the line 5 and the line 13 after the branch. Further, the water purified in the container 10 can be circulated again into the container 10 through the line 13 by opening the valve 14b. Also, valve 14
By adjusting the opening degrees of a and 14b, it is possible to control the purified water returned to the water storage tank 2 (not shown) and the flow rate of the circulating water returned to the container 10. Although the valves 14a and 14b may be manual valves, it is also possible to control the flow rate of purified water and the flow rate of circulating water returned from the container 10 to the water storage tank 2 (not shown) by using a control valve.

Hereinafter, control of water circulation using the valves 14a and 14b will be described. Valves 14a, 14 shown in FIG.
In the control of the circulation of water by b, the valves 14a and 14b are opened, the water purified in the container 10 is circulated to the circulation device using the circulation pump 15, and the water purified in the container 10 is not shown. It is returned to the water storage tank 2. The valve 16 is opened to supply the water 4 from the water tank 2 (not shown) to the container 10.

The valve 16 shown in FIG. 4 may be a manual valve, or a control valve may be used to provide a liquid level gauge in the container 10 to control the amount of water supplied through the line 3. When the valve 8 is provided in the line 3 in the method of purifying the stored water shown in FIG. 2, the valve 8 shown in FIG.
Can be shared with the valve 16.

In the control of water circulation by the valves 14a and 14b shown in FIG. 5, the valve 14a is closed, the valve 14b is opened, and
By closing 6 and circulating the water in the container 10 using the circulation pump 15, the water in the container 10 is purified. As shown in FIG. 5, the valve 14a is closed, and the valve 16 is opened to supply the water 4 (not shown) to the container 10 through the line 3. After the storage water 4 (not shown) is supplied into the container 10 until it overflows from the line 5 provided at the upper portion of the container 10, the valve 16 is closed. The water supplied into the container 10 is circulated through the line 13 by activating the circulation pump 15.

The water circulated through the line 13 is supplied to the injection device 11 using a circulation pump 15, and the air supply device 1 installed inside the injection device 11 and outside the container 10.
After being mixed with the air injected from 7, the mixture is injected toward the silicon-based molded body 12. By mixing air, water can be purified more efficiently. The water remaining in the lower portion of the container 10 collides with the water flow injected from the injection device 11 and is purified by colliding with the silicon molded body 12. The water supplied into the container 10 is supplied to the line 1 as shown in FIG.
3 for purification. In addition, while the valve 14a is closed and the water in the container 10 is circulating, the valve 16 is closed and the supply of the unillustrated water 4 to the container 10 is stopped.

In the present invention, the water quality in the upper part of the container 10 is analyzed at predetermined intervals, and when the water quality exceeds a reference value or at an early stage, the valves 14a and 16 are closed as shown in FIG. Then, the water in the container 10 is circulated and purified. After confirming that the water quality is below the reference value,
By opening the valve 14a and the valve 16 as shown in (1), the reservoir 4 can be supplied from the reservoir 2 (not shown), and the purified water in the container 10 can be returned to the reservoir 2 (not shown).

Further, as shown in FIG. 4, even when the purified water is continuously returned to the water tank 2 (not shown),
A portion of the water purified within can be circulated through line 13 with valve 14b open and supplied along with the water supplied into vessel 10 through line 3. Valve 14a
In addition to using a control valve to control the flow rate of purified water, it is also possible to provide an analyzer for analyzing water quality in the container 10 and control the amount of purified water returned through the line 5 It is.

FIG. 6 is a sectional view of the purification device 1 of the present invention. In the purification device 1 of the present invention shown in FIG. 6, a water storage 4 (not shown) is supplied to a lower portion inside the container 10. Container 1
A line 3 is provided below the line 0, and a filter 18 is provided in the middle of the line 3, so that relatively large impurities such as rust contained in water can be collected.

As will be described later, when the water to be purified in the present invention contains chlorine, salts may be generated by the siliceous molded body 12. In order to collect such salts, a filter 19 is provided in the line 5 provided at the upper part of the container 10, and the water stream injected from the injection device 11 collides with the silicon-based molded body 12. It is configured to collect the generated salts. However, the filter 19 need not be provided as long as no salts to be collected are generated in the present invention. Further, a film or the like can be used for the filter 19 in addition to the filter.

In the line 13 shown in FIG. 6, a circulating pump 15 is provided as a circulating device, and circulating water is pressure-fed to the container 10 by the circulating pump 15. A line 20 downstream of the circulation pump 15 includes a ferromagnetic stationary fluid mixer 21.
Is installed, and the injection device 11 installed in the lower part of the container 10
And a line 22. In the present invention, it is not always necessary to provide the ferromagnetic static fluid mixer 21, and another mixer can be used as long as it can appropriately purify water. Further, the mixer may not be used at all.

An air supply device 17 is provided outside the container 10 shown in FIG. 6, and is communicated with a spray device 11 installed at a lower portion inside the container 10 by a line 23. In the present invention, it is not always necessary to provide the air supply device 17, but it is preferable to install the air supply device 17 in order to purify water more efficiently. In the injection device 11, the air press-fitted by the air supply device 17 and the circulating water pumped from the circulation pump 15 are mixed. Depending on the pressure required for the air to mix with the circulating water in the injection device 11, the air supply device 17 has, in addition to a blower,
A fan or a compressor can be used. further,
Instead of air, an oxygen cylinder can be connected to the line 23 to supply oxygen.

The control of the circulation of water in the first embodiment of the purification device 1 of the present invention shown in FIG.
The water that overflows from the upper part inside 0 is pumped by the circulation pump 15 through the line 13 and is injected by the injection device 11. As the injection device 11, as shown in FIG. 6, a device that can be injected by water pressure and air pressure obtained from the circulation pump 15 and the air supply device 17 can be used.
Further, by using the injection device 11 having a motor in which the circulation device and the injection device are integrated, it is possible to suck and inject water from the line 13 without providing the circulation pump 15. This motor may be installed in the container 10 using a waterproof one, or the motor alone
It is also possible to install it outside of 0.

FIG. 7 is a sectional view of a purification device 1 according to a second embodiment of the present invention. In the purification device 1 shown in FIG. 7, the injection device 11 installed in the lower part of the container 10 includes:
The circulation device and the injection device are integrated, a motor 24 is provided, and a line 13 for sucking water from the upper portion of the container 10 is provided in the container 10. Container 1
The water that has been purified and overflowed within 0 is returned to the water tank 2 (not shown) through the line 5. The return amount of the purified water can be controlled by the valve 14a.

In the circulation of the water in the container 10 shown in FIG. 7, the water sucked through the line 13 provided in the container 10 is supplied to the injection device 11 and
After being mixed with the air supplied from the air supply device 17 in the inside, it is injected toward the silicon-based molded body 12. A valve may be provided in the line 13 in the container 10 to adjust the suction amount to the injection device 11, or a motor capable of controlling the number of rotations may be used, and the number of rotations of the motor 24 may be adjusted to be adjusted. You can also. Further, as shown in FIG. 7, the motor 24 can be installed outside the container 10,
It is also possible to install the inside of the container 10 using a waterproof one.

The silicon molding 12 used in the present invention comprises:
It is also possible to use silicon having semiconductor characteristics alone. However, from the viewpoints of cost and manufacturability, it has been found that sufficient purification characteristics can be imparted even when using a mixture of 5 to 60% by mass with metallic silicon based on the mass of the siliconaceous molded body 12. Was done. Further, from the viewpoint of removing harmful substances, it is preferable to form the silicon molded body 12 using an additive substance such as tourmaline, titanium oxide, silver zeolite, or silver. According to the present invention, the above-mentioned siliconaceous molded body 12 contains 5 to 60% by mass of silicon having semiconductor characteristics and 40 to 9% of metallic silicon.
5% by mass, tourmaline 1 to 10% by mass, titanium oxide 1
0 to 40% by mass, 2 to 15% by mass of silver zeolite, 0.1% of silver.
It has been found that the addition of 5 to 5% by mass gives more preferable purification characteristics.

The role of the above-mentioned additives in the purification characteristics is not clear and does not exceed the estimated range, but the electrolytic reaction generated by the silicon-based molded body 12 functioning as a photocatalyst in the presence of light. The electrolytic reaction in the presence of water or ions contained in the supplied air, and the electrolytic reaction caused by applying stress from the injection device 11 to the crystal of the silicon-based molded body 12 are the silicon-based molded body of the present invention. It is presumed that the purification characteristics according to No. 12 are given.

For this reason, the silicon molded body 12 used in the purification apparatus 1 of the present invention can be effectively used even when the storage water contains an undesired organic chlorine compound such as trichloroethylene, tetrachloroethylene, or trihalomethane as drinking water. It is possible to purify. In the present invention, trichloroethylene, tetrachloroethylene,
An organochlorine compound such as trihalomethane contacts the silicon-like molded body 12 as a jet. Organochlorine compounds such as trichlorethylene are directly decomposed by the silicon molding 12 into chlorine gas, carbon dioxide gas and water. The generated chlorine gas reacts with metal ions and the like contained in the silicon-based molded body 12 and the like to generate salts, which are collected by the filter 19 and removed from water.

The method for producing the silicon-based molded body 12 used in the present invention can be obtained by firing a composition containing granular silicon having semiconductor properties and granular metallic silicon. Silicony molded body 12 used in the present invention
Can be obtained by firing a composition containing two types of silicon, as described above. However, from the viewpoint of manufacturing cost and performance, a composition range and various additives are added as described above. Is preferably performed.

The method for producing the silicon-based molded body 12 used in the present invention will be described in detail. First, 5 to 60% by mass of granular silicon having semiconductor characteristics, 40 to 95% by mass of granular metallic silicon, and tourmaline Composition containing 1 to 10% by mass, 10 to 40% by mass of titanium oxide, 2 to 15% by mass of silver zeolite, 0.5 to 5% by mass of silver, and 0.5 to 5% by mass of anhydrous sodium silicate Kneading, and
Molding the kneaded composition to form a molded article. For this purpose, any known pulverizing / mixing means can be used. Next, the molded body thus obtained is heated at 700 ° C. in a non-oxidizing atmosphere.
Sinter at a temperature of 1400 ° C. This sintering can be performed in a non-oxidizing atmosphere using a device such as an electric furnace, but by performing firing during charcoal firing in a charcoal kiln, the carbon infiltration or fixation step and firing are performed simultaneously. It is particularly preferable because it can be used.

Next, conductive carbon is contained in the silicon molded body 12 used in the present invention. This infiltration process
Charcoal kilns for producing bamboo charcoal are particularly preferred in that they produce good graphite soot. However, the silicon-based molded body 12 used in the present invention can be fired by generating a similar atmosphere in an electric furnace.

In the silicon-based molded body 12 used in the present invention, the non-oxidizing atmosphere refers to an atmosphere that does not contain at least an oxidizing gas such as oxygen.
It refers to an environment mainly containing gases such as N ₂ and CO ₂ .

The silicon-based molded body 12 used in the present invention comprises:
It is thought that it contains silicon having semiconductor properties and does not adsorb pollutants, but mainly decomposes electrochemically, and removes pollutants by adsorbing components such as heavy metals. Therefore, the characteristics of the silicon-based molded body 12 used in the present invention are good, and these characteristics are maintained for a long period of time without deterioration.

FIG. 8 is a plan view of the purification device 1 of the present invention shown in FIG. In the purification device 1 of the present invention shown in FIG. 8, two injection devices 25 a and 25 b and two silicon-like molded bodies 26 a and 26 b are installed inside the container 10. Since two injection devices 25a, 25b and two silicon-like molded bodies 26a, 26b are installed inside the container 10, the circulation pumps 27a, 27
b, two ferromagnetic static fluid mixers 28a and 28b and two air supply devices 29a and 29b are also provided. In addition, a partition wall 30 is provided at the center between the injection device 25a and the injection device 25b, and between the silicon-based molded body 26a and the silicon-based molded body 26b so that the injected water flows do not interfere with each other.
Is provided.

By using the opposed arrangement shown in FIG. 8, it is possible to purify water more efficiently. However, in the present invention, as long as one injection device 25a, 25b and one silicon-based molded body 26a, 26b can perform sufficient purification, it is not always necessary to provide two units as a pair. Further, the above-described facing arrangement is the same as that of FIG.
Can be used also in the purification device 1 shown in FIG.

Further, in the purification apparatus 1 of the present invention shown in FIG. 8, triangular prisms are used as the silicon moldings 26a and 26b. However, in the present invention, the shapes of the silicon-based molded bodies 26a and 26b are cylindrical,
It may be a quadrangular prism or a flat plate. Injection device 2
In order to increase the area of collision with the water stream injected from 5a, 25b and to remove harmful substances efficiently, the collision surface between silicon-like molded bodies 26a, 26b and water must be flat. Is preferred from the viewpoint of efficiently using the stress caused by the water flow. In addition, the flat surfaces of the silicon-based molded bodies 26a and 26b may be installed so as to face the injection ports of the injection devices 25a and 25b. However, in the present invention, it is more preferable to stir the inside of the container 10 by making the flat surfaces of the silicon-based molded bodies 26a and 26b be angled with respect to the water flow and reflecting the flat surfaces of the silicon-based molded bodies 26a and 26b.

Further, as shown in FIG.
It is preferable to dispose the line 3 on the side and supply the water 4 (not shown) so as to be in the same direction as the injection direction of the injection device 25a. Even when the purifying apparatus 1 of the present invention has only one injection device and one siliceous molded body, the silicon molded bodies 26a and 26b are provided with the above angle,
Alternatively, it is preferable to dispose the line 3 in the same direction as the ejection direction of the ejection devices 25a and 25b.

Although the present invention has been described based on the embodiment shown in the drawings, the present invention is not limited to the above-described embodiment, but includes a circulating means, an injection device,
Any known valve and circulation control method can be used.

[0052]

As described above, according to the present invention, a step of supplying water from a water storage tank to a container, a step of circulating the water in the container, and a step of forming the circulated water into a silicon material having semiconductor characteristics. A method for purifying stored water including a step of colliding with a body and a step of returning water in a container to a water storage tank, and a purification device for performing the purification method are provided. Using the purification device of the present invention, by performing the purification method of the present invention, has the ability to remove harmful substances regardless of the type of harmful substances,
Further, it is possible to provide a filter medium capable of maintaining the removal ability for a long time, and it is also possible to remove harmful substances in the water storage tank. Therefore, there is no need to periodically inspect and clean the inside of the water storage tank, and it is not necessary to separately install a water purifier or the like in each living space.

[Brief description of the drawings]

FIG. 1 is a view showing an embodiment in a case where a water storage tank is installed at a position higher than a purification device of the present invention in the purification method of the present invention.

FIG. 2 is a view showing an embodiment in which a water storage tank is installed at a position higher than the purification device of the present invention and a height difference between the water storage tank and the purification device is large in the purification method of the present invention.

FIG. 3 is a view showing an embodiment in a case where a water storage tank is installed at a lower position than the purification device of the present invention in the purification method of the present invention.

FIG. 4 is a cross-sectional view of the purification apparatus of the present invention, showing circulation of water in the purification method of the present invention.

FIG. 5 is a cross-sectional view showing an embodiment of water circulation control in the purification method of the present invention.

FIG. 6 is a cross-sectional view of the purification device of the present invention.

FIG. 7 is a cross-sectional view of an injection device and a purification device in which a line is changed according to the present invention.

FIG. 8 is a plan view of the purification device of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Purification apparatus 2 ... Water storage tank 3 ... Line 4 ... Water storage 5 ... Line 6 ... Pump 7 ... Line 8 ... Valve 9 ... Pump 10 ... Container 11 ... Injection apparatus 12 ... Silicon molding 13 ... Line 14a, 14b ... Valve 15 Circulating pump 16 Valve 17 Air supply device 18 Filter 19 Filter 20 Line 21 Ferromagnetic stationary fluid mixer 22 Line 23 Line 24 Motor 25a, 25b Injector 26a, 26b Silicon-based moldings 27a, 27b: Circulating pumps 28a, 28b: Ferromagnetic stationary fluid mixers 29a, 29b: Air supply device 30: Partition wall

──────────────────────────────────────────────────の Continued on the front page (51) Int.Cl. ⁷ Identification symbol FI Theme coat ゛ (Reference) C02F 1/68 530 C02F 1/68 530B E03B 1/00 E03B 1/00 Z 11/00 11/00 Z

Claims (9)

[Claims] Providing water to a container from a water reservoir;
Circulating the water in the container, colliding the circulated water with a silicon-based molded article having semiconductor characteristics, and returning the water in the container to a water storage tank, . 2. The method for purifying water storage according to claim 1, wherein the silicon-based molded body having semiconductor characteristics contains 5 to 60% by mass of silicon having semiconductor characteristics and 40 to 95% by mass of metallic silicon. 3. The silicon-based molded product having semiconductor properties further comprises 1 to 10% by mass of tourmaline, 10 to 40% by mass of titanium oxide, and 2 to 15% by mass of silver zeolite.
The method for purifying water storage according to claim 2, comprising 0.5 to 5% by mass of silver. 4. The method for purifying stored water according to claim 1, wherein air is mixed with the circulated water. 5. The method for purifying stored water according to claim 1, wherein the water supplied from the water storage tank is domestic water. 6. A container for accommodating water supplied from a water storage tank, a circulating device for circulating water in the container, a silicon-like molded product having semiconductor characteristics, and An apparatus for purifying stored water, comprising: an injection device for injecting water. 7. The method according to claim 6, wherein the silicon molding having semiconductor properties contains 5 to 60% by weight of silicon having semiconductor properties and 40 to 95% by weight of metallic silicon. Storage water purification device. 8. The siliconaceous molded product having semiconductor properties further comprises 1 to 10% by mass of tourmaline, 10 to 40% by mass of titanium oxide, and 2 to 15% by mass of silver zeolite.
The water purifying apparatus according to claim 7, comprising 0.5 to 5% by mass of silver. 9. The storage water purifying apparatus according to claim 6, further comprising an air supply device for supplying air to the circulating water.