JPS60161755A - Electrostatic air purifier - Google Patents

Abstract

PURPOSE:To obtain a large amount of an air volume by reduced electric power by reducing an ozone amount and air passing resistance, by providing an electrode for vaporizing an ozone treating solution in an air passage and making a vaporization amount controllable. CONSTITUTION:When a corona current is flowed from corona generation electrodes 11, 11' to opposed electrodes 12, 12', ion wind is generated in an ionization part. At the same time, high voltage is applied between the aforementioned electrodes 11, 11' and electrode 19 for spraying an ozone treating solution 20 and said ozone treating solution 20 is sucked and atomized, and reacted with ozone in the aforementioned ion wind to eliminate ozone. The aforementioned electrode 19 is provided so as to be opposed to a vaporization port provided so as to vaporize the treating solution 20 and ion wind is formed at the vaporization part. In this case, the treating solution 20 becomes much when the ion wind is generated while becomes small at the time of stoppage and a vaporization amount is automatically controlled and dust in air is collected by a charged dust collection part. Therefore, ozone generated by corona is not adsorbed by activated carbon and purified air is blown from a blowing port 16.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention relates to an electrostatic air cleaner used for general households, automobiles, clean rooms, and the like.

Configuration and Problems of Conventional Example As an example of this type of air cleaner, an air cleaner using ion wind generation will be described.

In order to make the ion wind stronger than a certain level, it was necessary to flow a large amount of ion current. However, due to the flow of ionic current, ozone is generated, which has a negative impact on the human body and the parts used, so an attempt was made to remove ozone using activated carbon, but the ionic wind force was weak, and the basic characteristics such as the fact that the air volume could not be produced due to activated carbon. Ionic wind was not put into practical use because it also damaged the

A conventional example of an ion wind air cleaner will be explained using FIG.

(1), (1, (1') is an ionization line, (2), (
2')... are the opposing ground electrodes of the ionization lines (1), (1')..., (3), (3')... are the high voltage electrodes, (4
) is breathable activated carbon, (6) is the ventilation port, (5) is the intake port,
(Force is Pode. Ionization ray (1), (1...
and the opposing ground electrodes (2), (2')... Although not shown, a high voltage is applied between them so that a corona current flows. Also, the opposing ground electrodes (2)゛, (2')・
. . . and the high voltage electrodes (3), (3') . . . A high voltage is also applied to form a high electric field.

In this configuration, ionization lines (1), (1')...
When a corona current flows between the opposing electrodes (2) and (2'), ions collide with the air and cause friction.
The air is swept away and a wind is created. This is the ionic wind. These ions also charge the dust in the air, forming a high electric field with the counter electrodes (2), (2')... and the high voltage electrodes (3), (
Flows in between 3'>-. The charged dust receives electrostatic force from the electric field, and the electrodes (2χ, (2')..., (3
), (Three...).Furthermore, ozone generated by the corona is adsorbed by the breathable activated carbon (4), and the air is blown as clean air from the air outlet (6).

Activated carbon (4) increases ventilation resistance and reduces air volume. In order to prevent this reduction in air volume, the ion current is further increased, but corona also increases, and it is necessary to increase the contact area of activated carbon, which increases ventilation resistance. There were problems such as the large size and the impossibility of practical use.

OBJECTS OF THE INVENTION The object of the present invention is to solve these conventional problems, improve the air volume, and reduce the cost and size.

Structure of the Invention The electrostatic air cleaner of the present invention has an ionization section composed of a corona generating electrode and a counter electrode, and a dust collection section that forms a high electric field behind the ionization section. A ventilation means is provided for ventilation in the order of the parts, an ozonated liquid is arranged in a part of the ventilation passage, a liquid vaporizing port is provided for vaporizing the ozonated liquid, and an electrode is provided opposite the liquid vaporizing port. , characterized in that a voltage is applied between the liquid vaporization port and the counter electrode to form an ion wind in the liquid vaporization port, and as the counter electrode of the liquid vaporization port described in No. 01, the electrode of the ionization part or the dust collection part is used. By applying a voltage between the liquid vaporization port and the opposing electrode and allowing ionic wind to flow through the liquid vaporization port, the amount of ozone is reduced and ventilation resistance is low.
A large amount of air can be obtained with a small amount of electricity.

DESCRIPTION OF EMBODIMENTS One embodiment of the electrostatic air cleaner of the present invention will be described.

FIG. 2 shows a sectional view of an embodiment of the electrostatic air cleaner of the present invention.

In the figure, (11), (11')... are ionization lines, (12), (12... are ionization lines (11), (
11')..., opposing ground electrodes, (13), (13'
) ... is a high-voltage electrode, (l is an inlet, (1G+ is an air outlet, (I71 is a poday, α is a liquid guiding path that introduces the ozone treatment liquid (4) into the ventilation path, (II is an ionization line) (11)
, (11')... An ozone treatment liquid spraying electrode provided opposite to the group, and an ionization electrode (n), (11')...
・High voltage is applied between.

In the present invention, in the above configuration, the operation of generating the ion wind and collecting the dust in the air in the dust collecting section is the same as in the conventional example. However, the ionization electrode (11), (H/)
Because a high voltage is applied to the atomizing electrode wheel, the ozone treatment liquid is sucked, ejected, and atomized.

The ozone generated in the ionization section reacts with the sprayed and vaporized ozone treatment liquid and disappears. In this way, by applying a high voltage to the part facing the introduction path α for the ozone treatment liquid (A), the ozone treatment liquid (A) is atomized into the passage or vaporized by the ventilation air. Therefore, the amount of ozone treatment liquid increases when the ion wind is generated and decreases when the ion wind is stopped, and the amount of vaporization can be automatically controlled.

In the embodiment, an ion wind type electrostatic air cleaner has been described, but similar effects can be obtained in an electrostatic air cleaner that uses a fan or a motor for ventilation.

In the above embodiment, the ionizing wire was used as the counter electrode for atomizing the ozonated liquid, but a special atomizing electrode or an electrode on the dust collecting part side may be used. It is sufficient to form an electric field between the vaporizing port and the counter electrode to atomize or vaporize the liquid, and there is no pressure drop in the activated carbon, and the activated carbon can be produced in a small size and at a low cost.

Effects of the Invention As is clear from the above embodiments, the electrostatic air cleaner of the present invention is provided with an electrode for atomizing and vaporizing the ozonated liquid in the ventilation volume, increasing the amount of liquid vaporized, and It is possible to make a large difference between the time when the process stops and when the process is stopped, and the amount of vaporization can be controlled by minimizing the outflow of the processing liquid when the process is stopped and controlling the electric field.

Further, since the electrode of the ionization section, the electrode of the dust collection section, etc. can be used in common as the counter electrode for vaporization, there is no need for special equipment.

This produces effects such as being able to produce a large air volume with little pressure loss in a small size and at low cost.

[Brief explanation of the drawing]

FIG. 1 is a sectional view of a conventional electrostatic air cleaner, and FIG. 2 is a sectional view of an embodiment of the electrostatic air cleaner of the present invention. 11.11'...: Ionization [12,12'...:
Opposing ground electrode 13.13'...: High voltage electrode 15:
Intake port 16: Air blower 017: Body 18: Liquid guiding path 1
9: Atomizing electrode 20 Niosin treatment liquid Patent applicant Isao Abe, Patent attorney Matsushita Electric Industrial Co., Ltd. Figure 1

Claims (1)

[Scope of Claims] 1. A ventilation system that has an ionization section composed of a corona generating electrode and a counter electrode, and a dust collection section that forms a high electric field behind the ionization section, and that ventilates the ionization section and the dust collection section in that order. means is provided, an ozonated liquid is disposed in a part of the ventilation passage, a liquid vaporizing port for vaporizing the ozonated liquid is provided, an electrode is provided opposite to the liquid vaporizing port, and an electrode is provided opposite to the liquid vaporizing port. An electrostatic air purifier characterized by applying voltage between electrodes to form ionic wind at a liquid vaporizing port. 2. The electrostatic air cleaner according to claim 1, wherein the electrode of the ionization section or the dust collection section is used as the counter electrode of the liquid vaporizing port.