JP2006142270A - Environment cleaning apparatus provided with guiding plate - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To solve such a problem that the attainment of deodorization, sterilization and decomposition of a contaminant by ozone, ultraviolet rays and photocatalysis can not be expected if conditions such as the ozone concentration of a certain value or larger, the ultraviolet illuminance of a certain value or larger and the time necessary for photocatalysis are fulfilled and particularly the photocatalysis of a photocatalyst is advanced so slowly that the contact time specified by the minute or longer is required to attain deodorization, sterilization and decomposition of the contaminant even under irradiation of ultraviolet rays. <P>SOLUTION: A cold cathode tube for emitting ultraviolet rays of 185 nm is used as a light source for ensuring the ozone concentration and ultraviolet illuminance necessary for deodorization, sterilization and decomposition of the contaminant. A spiral guiding plate is arranged around the cold cathode tube. A guiding cylinder is arranged to surround the outer periphery of the guiding plate. The object to be treated is moved along the guiding plate while being whirled in an atmosphere of the ensured ozone concentration and ultraviolet illuminance on the inside of the guiding cylinder. As a result, an effective treatment distance can be extended. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  Technical fields related to environmental purification equipment such as deodorization, sterilization and decomposition of pollutants using air, water and photocatalysis.

Recent purification devices for living environments such as air purifiers, sterilizers, and water purification devices are mainly methods that do not generate secondary environmental pollution such as photocatalytic reaction by TiO2 and ozone treatment, especially TiO2 photocatalysts. Is used not only in sterilization but also in a wide variety of fields because of its effects such as decomposition of pollutants.
However, the photocatalytic reaction is disadvantageous in that the reaction does not take place and the reaction is slow unless the raw material and the catalyst are in direct contact under irradiation of light energy such as ultraviolet rays.

A practical air cleaning device with a photocatalytic function is equipped with a honeycomb structure, fiber filter, and other filters with a photocatalyst facing the ultraviolet irradiation surface, and unprocessed air is passed through the minute gap to form a photocatalyst. The catalytic reaction area is increased by bringing them into contact with each other, thereby enhancing the purification treatment effect.
However, due to structural defects such as the fact that the light energy that excites the photocatalytic reaction can reach only a short distance from the surface and the photocatalytic reaction only works on the irradiated surface facing the light source, the distance that the photocatalyst reacts is Insufficient purification treatment has a drawback that the photocatalytic effect cannot be exhibited unless it passes through a plurality of passes.

In the present invention, the effective irradiation area of the light source is expanded, the contact distance between the untreated substance and the photocatalyst is increased, and the photocatalytic reaction time is improved.
Surround the light source that excites the photocatalytic reaction with a spiral guide plate with a photocatalyst on the surface, and enclose the guide plate so as to wrap around the outer periphery of the light source. The effective irradiation surface with respect to the photocatalyst was enlarged by moving it so as to extend the distance at which the untreated substance and the photocatalyst reacted.

In the present invention, a spiral guide plate with a photocatalyst is arranged on the outer periphery of a light source that excites a photocatalytic reaction, and further surrounded by a plate with a photocatalyst on the inside so as to wrap the guide plate, The light energy of the circumference was taken as the effective range of the catalytic reaction.
Furthermore, since the untreated fluid cannot move straight because of the spiral guide plate, it moves while turning around the light source along the guide plate. Since the contact distance between the photocatalyst and the reaction time can be extended, the photocatalytic effect is improved.

FIG. 1 and FIG. 2 show schematic structural diagrams as an embodiment of the present invention.
The schematic structural diagram of “FIG. 1” is an example of an air purifier, and the inside of one housing is partitioned by four partition walls supporting nine guide cylinders, and untreated air is sucked by three intake blowers.
All of the sucked untreated air is blocked by 4 partitions and introduced into the 9 guide cylinders, and moves while swirling along the 8 guide plates. Processing such as disassembly is performed simultaneously.
Even in a deodorizing and sterilizing device that does not use a photocatalyst, the inside of the 9 guide cylinder is moved while turning by the action of the spiral guide plate 8, so that the processing distance is extended and the purification capacity of the device is improved.
The schematic structural diagram of “FIG. 2” shows a cold cathode tube or ultraviolet lamp covered with a transparent 2 ′ waterproof jacket made of a material that does not absorb ultraviolet rays in the center of a 1 ′ tank sealed in an example of water purification treatment, and a photocatalyst around it. Attach a spiral 3 'guide plate.
In the 2 'waterproof jacket, ozone is generated by ultraviolet energy, but it is introduced into one tank via a 5' ozone pump.
Untreated water is introduced from the input cock into the 1 'tank and swiveled around the 2' waterproof jacket along the 3 'guide plate, and purified by ultraviolet sterilization, ozone water treatment, photocatalytic reaction, etc. Treat and remove from the output cock as purified treated water.

An air cleaner according to an embodiment of the present invention will be described with reference to the schematic structural diagram of FIG.
The air purifier shown in the schematic diagram of “Fig. 1” is not only deodorized by ozone or ultraviolet rays and sterilization of virus bacteria, but also the decomposition of toxins produced when the bacteria are killed by the photocatalytic action of TiO2, and chemical substances such as sick house syndrome Disassembly is also possible.
The 9 guide cylinders are fixed to the inside of one housing with 4 partition walls, but the surroundings are also shielded so that the air before processing cannot pass from other than inside the 9 guide cylinders.
The 7 cold cathode tubes are fixed to the center of the 9 guide tube by 6 lamp supports, and the spiral 8 guide plates are arranged on the outer periphery of the 7 cold cathode tubes.
The 8 guide plate is a continuous spiral thin plate with a TiO2 photocatalyst attached to the surface, and a linear inner diameter space to which a 7 cold cathode tube is attached is secured at the center.
The outer periphery of the 8 guide plate is in contact with the inner surface of the 9 guide tube so that it does not rattle in the radial direction or is fixed to the inside of the 9 guide tube.
The material of the 8 guide plate may be any material, such as metal, ceramics, PET resin, etc., as long as the shape retention can be ensured, and the method of attaching TiO 2 is not limited to coating, baking, and other methods such as mixture.
When a high voltage electric field is supplied from a 5 high voltage power source via a 6 lamp support, the 7 cold cathode tube is turned on and emits 185 nm ultraviolet light, and ozone is generated by the light energy.
Untreated air indicated by an arrow is sucked by a 3 blower, filtered dust and dust by a 2 filter, and then introduced into a 9 guide cylinder.
TiO2 attached to the inside of the 9 guide tube and the 8 guide plate under the ultraviolet rays irradiated by the 7 cold cathode tube while moving around the 8 cold plate while being swung straight around the 9 guide tube. The photocatalytic reaction is excited upon contact with the 11 photocatalyst.
Untreated air purifies the air by performing various sterilization, deodorization, and decomposition of pollutants by photocatalysis, ultraviolet rays and ozone in the 9 guide cylinders.

In the air purifier shown in the schematic diagram of FIG. 1 shown in the embodiment of the present invention, the air introduced into one housing always moves while turning in the nine guide cylinders.
Untreated air is purified by strong UV sterilization, ozone sterilization, deodorization, and photocatalytic oxidative decomposition, so it is considered to be very effective for deodorization and virus-based sterilization. The effect is expected as an air purifier for food and food.
In addition, the 8 guide plates not only increase the effective range of UV irradiation even when a photocatalyst is not attached, but also extend the distance of UV and ozone atmosphere, so it is possible to improve purification efficiency such as deodorization and sterilization. is there.

    It is the schematic structure figure which showed the structure of the air cleaner of one Example of this invention.

    It is the schematic structure figure which showed the structure of the water purification processor of one Example of this invention.

Explanation of symbols

"Figure 1"
DESCRIPTION OF SYMBOLS 1 Case cross section 6 Lamp support 11 Photocatalyst 2 Filter 7 Cold cathode tube 3 Blower 8 Guide plate 4 Bulkhead 9 Guide tube 5 High voltage power supply 10 Guide plate holder “FIG. 2”
1 'section of tank 2' waterproof jacket 3 'guide plate 4' photocatalyst 5 'ozone pump

Claims (2)

  Surrounds the outer periphery of a light source that emits ultraviolet rays, such as a cold-cathode tube and an ultraviolet lamp, and has a spiral guide plate between the inside of the enclosure and the light source, and moves unprocessed fluid around the light source along the guide plate Environmental purification equipment to purify while.   A light source that excites a photocatalytic reaction, such as a fluorescent lamp, a cold cathode tube, or a black light, is surrounded by a material having a photocatalytic action on its inner surface, and a spiral guide plate having a photocatalytic action is disposed between the inside of the enclosure and the light source. Environmental purification equipment that performs deodorization, sterilization, and decomposition of pollutants by UV, ozone and photocatalytic reactions while moving the processing fluid along the guide plate.

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