JP2530768Y2 - Water purification equipment - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a water purification device for purifying water using ozone.

[0002]

2. Description of the Related Art A conventional method for sterilizing or purifying water in a water tank with ozone is as follows. As shown in FIG. 3, a pump a guides water in a water tank b to an ozone-dissolving water tank c, and an ozone generator d. The ozone generated in step (1) is led to the above-mentioned ozone dissolving water tank c together with the pressurized air blown by the air compressor e, and ejected from the diffuser f to bubble and dissolve. Also, JP-A-52-7874
Is perpendicular to the treated water flowing down from above the catalyst layer.
Ozone is passed through the catalyst layer to purify
A water-gas contact device is disclosed.

[0003]

[Problem to be solved by the invention] However, FIG.
According to the method shown , in order to increase the dissolving efficiency of ozone in water, a large ozone dissolving water tank having a deep water depth is required to prolong the contact time of ozone and water. Further, if the purified water in which ozone is dissolved is returned to the water tank b as it is, the ozone concentration in the water tank b increases, and there is a possibility that the sealing member such as a living thing or rubber may be harmed. Therefore, it is necessary to provide an ozone decomposition catalyst g for decomposing ozone in water. In addition, an ozone decomposing catalyst h for decomposing ozone discharged without dissolving in water and releasing the ozone to the outside air is required, and there is a problem that the entire apparatus becomes large. Further, in the above method, the ratio of ozone dissolved in water is 40 to 70%.
And the efficiency is low. In addition, Japanese Unexamined Patent Publication
The gas-liquid contact device disclosed in Japanese Patent Publication No.
Flow through the treated water at right angles to the flow direction of the treated water.
For this reason, partition the catalyst layer into layers, and
A filter is provided at the other end and an ozone inflow passage
Must be formed, and the configuration becomes complicated. The present invention has been made to solve the above problems, and an object of the present invention is to provide a water purification device that has high purification efficiency and can reduce the size of the device.

[0004]

As specific means for achieving the above object, according to the solution to ## and the ozone reaction chamber having an opening at the bottom, with closing the bottom opening of the ozone reaction chamber, O
A gas-permeable ozonolysis catalyst arranged to form a space in the upper part of the reaction chamber, and water to be purified in the space.
A spray nozzle arranged to spray water and the space
And an ozone supply means for supplying ozone therein.

[0005]

[Operation] The operation of the above-mentioned water purification device is as follows. The ozone supplied to the space above the ozone reaction chamber by the ozone supply means contains fine water droplets from the spray nozzle in the space.
And mixed with the water to be purified which has been sprinkled. Mixed water
Ozone Ji oxygen decomposed nascent raw when passing through the breathable ozonolysis catalyst in, to flow down the ozone decomposing catalyst
Water. Ozone decomposed into oxygen is exhausted from the ozone reaction chamber to the atmosphere.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described with reference to the accompanying drawings. FIG. 1 is a schematic configuration diagram of a system for sterilizing and purifying water in a water tank using the water purification device A of the present invention. Water purification device A
Ozone generator 1, ozone reaction chamber 2, ozone decomposition catalyst 3,
It comprises an air compressor 4 and a spray nozzle 5 and the like. The ozone reaction chamber 2 is provided with an opening 2a with an open bottom, and an ozone decomposition catalyst 3 is arranged so as to close the opening 2a. As the ozone decomposition catalyst 3, a catalyst filled with a metal oxide such as manganese dioxide or silicon dioxide while ensuring air permeability, or a catalyst utilizing activated carbon is used. Ozone reaction
In the chamber 2, a space 2b is formed above the ozone decomposition catalyst 3.
Then, the spray nozzle 5 is disposed in the space 2b . Soshi
Then , the ozone inflow pipe 6 is connected to the center of the ceiling and connected to the ozone generator 1. The air compressor 4 is arranged before the ozone generator 1.

A water absorption pipe 8 is inserted through the lower side of the water tank 7, and a strainer 9 is connected to the water absorption pipe 8 and connected to a pump 10. The discharge port of the pump 10 and the spray nozzle 5 are connected by a pipe 11.

The operation of the sterilizing and purifying system having the above configuration will be described below. The ozone generated by the ozone generator 1 is mixed with the pressurized air from the air compressor 4 and sent through the ozone inflow pipe 6 into the space 2b of the ozone reaction chamber 2. On the other hand, the water in the water tank 7 is absorbed by a pump 10 through a water absorption pipe 8, and is discharged to a pipe 11 after removing large floating dust and the like by a strainer 9. Is sprayed in the space 2b .

The mixed gas of ozone and pressurized air supplied to the space 2b of the ozone reaction chamber 2 mixes with fine water droplets sprayed from the spray nozzle 5, and the ozone decomposition catalyst 3
Pass through. At this time, the ozone is decomposed to O ₃ → O
A chemical change of ₂ + O. Is generated, and very strong nascent oxygen "O." of oxidizing power is generated. Organic substances and microorganisms contained in the water flowing down in the ozone decomposition catalyst 3 are oxidized and purified or sterilized by the above-mentioned oxygen "O." The water passing through the ozonolysis catalyst 3 is supplied to the opening 2 at the bottom of the ozone reaction chamber 2.
a into a water tank 7 in the form of a shower. And
Pressurized air containing oxygen in which ozone is decomposed is also present in the opening 2
The gas is exhausted from a (see FIG. 2).

As the ozone decomposing catalyst 3, a catalyst using a metal oxide such as manganese dioxide or silicon dioxide or activated carbon is used, so that the ozone decomposing efficiency is about 90%.
% And high. For this reason, the oxidizing power and the bactericidal power by the oxygen “O •” in the nascent period are strong, and the water purification efficiency is also increased.

[0011]

[Effect of the invention] The present invention has a configuration described above, supplies the ozone into the space formed in the upper portion of the ozone reaction chamber, the to be purified water was sprinkled with a spray nozzle, in advance
Ozone and to form a gas-liquid contact state of mixture of the water passed through the ozone decomposition catalyst, since it is intended to clean water by nascent oxygen generated is decomposed by the ozone decomposition catalyst, issued
The rate of contact with oxygen during the growing period increases, and water purification efficiency improves.
You. Also, a large deep water tank for dissolving ozone, an ozone decomposition catalyst for decomposing ozone dissolved in reflux water to the water tank, and decomposing ozone discharged without dissolving in water and releasing it to the outside air Ozone decomposition catalyst is unnecessary
In addition to partitioning the catalyst layer into layers,
Provide filters at alternating ends of the compartment and
Since there is no need to form a zonal inflow passage, there is an excellent effect that the entire apparatus can be simplified and miniaturized.

[Brief description of the drawings]

FIG. 1 is a schematic configuration diagram of a sterilization and purification system using the water purification device of the present invention.

FIG. 2 is an enlarged sectional view of an ozone reaction chamber.

FIG. 3 is a schematic configuration diagram of a conventional sterilization and purification system.

[Explanation of symbols]

1. . . Ozone generator, 2. . . Ozone reaction chamber, 2
a. . . Opening, 2b. . . Space , 3. . . Ozone decomposition catalyst, 5. . . Spray nozzle, 7. . . Aquarium,
A. . . Water purification equipment.

──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. ⁶ Identification code Agency reference number FI Technical indication location C02F 1/50 550 C02F 1/50 550B 560 560Z

Claims (1)

(57) [Scope of request for utility model registration] 1. A ozone reaction chamber having an opening at the bottom, with closing the bottom opening of the ozone reaction chamber, ozone reaction
A gas-permeable ozonolysis catalyst arranged so as to form a space in the upper part of the reaction chamber, and water to be purified in the space
A water purification device , comprising: a spray nozzle provided to perform the cleaning; and ozone supply means for supplying ozone into the space .