KR101833607B1 - Electrostatic precipitator - Google Patents

Abstract

The electrostatic precipitator according to the present invention includes a body unit disposed on a flow path of air containing contaminants, a plurality of electrode lines provided on one side of the body unit and having a specific pattern, And a collecting unit provided on the other side of the body unit facing the electrode line for collecting contaminants in the charged air by the collecting fluid. According to such a configuration, a separate draining process is unnecessary, and the efficiency can contribute to improvement of the collection efficiency of the contaminants.

Description

ELECTROSTATIC PRECIPITATOR

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to an electric dust collector, and more particularly, to an electric dust collector capable of collecting contaminants in air without a dust removing process.

Recently, due to continuous industrial development and the introduction of smog from China, the amount of fine dust floating in the air has increased greatly. These fine dusts are not only cause respiration and cardiovascular diseases when they are inhaled into the human body, but exacerbate allergic diseases such as asthma and atopic dermatitis. Accordingly, in recent years, there has been a rapid increase in the demand for an electrostatic precipitator for collecting contaminants, such as fine dust particles floating in the air.

On the other hand, the electrostatic precipitator for collecting pollutants in the air has a relatively low energy use compared to the floating particle capturing methods such as impactor, impinge and cyclone using inertia, and the pollutant such as bio-aerosol So that the physical damage of the microfluidic device is less. In addition, the electrostatic precipitator has the advantage of efficiently collecting nano-sized particles such as viruses.

Such an electrostatic precipitator requires a draining process for removing contaminants collected after a predetermined period of use. Specifically, a general electrostatic precipitator removes contaminants adhering to the dust collecting plate by using a chattering method in which a weight falls freely at a predetermined height and a shock is applied to the dust collecting plate in which the contaminants are collected.

However, the electrostatic precipitator to which such a chattering method is applied is required to be periodically stopped for collection, and thus the efficiency is low. In addition, the contaminants separated from the dust collecting plate during the chasing process are re-scattered, resulting in a drop in dust collection efficiency. Therefore, in recent years, researches on methods for improving the inefficiency due to the exhaustion process of pollutants have been continuously carried out.

-. Korean Patent Laid-Open No. 10-2012-0086384 (Publication date: Aug. 03, 2012)

SUMMARY OF THE INVENTION It is an object of the present invention to provide an electric dust collector capable of improving the efficiency of collecting contaminants in the air by eliminating the need for a separate dust removal process.

According to an aspect of the present invention, there is provided an electric dust collecting apparatus including a charging unit disposed on a flow path of air containing contaminants to electrically charge contaminants in the air, And a collecting unit for collecting the collecting fluid.

According to one aspect of the present invention, the air conditioner further includes a hollow body unit having an air inlet and an air outlet through which the air containing the pollutants are introduced and discharged, and installed on the path of the air containing the pollutants, The collecting units are arranged to face each other with respect to the body unit, and the collecting unit is disposed at a lower portion in the gravity direction than the charging unit.

According to one aspect of the present invention, the charging unit includes a plurality of electrode lines provided in the body unit, and an anode (+) or a cathode (-) to the plurality of electrode lines to generate a corona discharge .

According to one aspect, the plurality of electrode lines have a straight or curved shape arranged in parallel so as to be spaced apart from each other at regular intervals.

According to one aspect, the plurality of electrode lines include a plurality of first electrode lines spaced apart from each other by a predetermined distance, and a plurality of second electrode lines spaced apart from each other at a predetermined interval in a direction intersecting the first electrode lines do.

According to one aspect, the plurality of electrode lines have a plurality of concentric circular or polygonal shapes having the same center but different diameters.

According to one aspect of the present invention, the collecting unit includes a collecting water tank provided to communicate with the body unit, the collecting water tank having a supply port and a discharge port for the collecting fluid, and a circulation unit for circulating the collecting fluid continuously into and out of the collecting water tank.

According to one aspect of the present invention, a filter unit for separating the contaminants from the collection fluid discharged from the collection water tank is provided between the collection water tank and the circulation unit.

According to one aspect, the filter unit includes a trapping filter provided between an outlet of the trapping water tank and the circulation unit, and a storage body storing the polluted material filtered by the trapping filter.

According to one aspect, the trapping filter and the storage body are formed integrally with each other.

According to one aspect of the present invention, a plurality of dust collecting units each including the charging unit and the collecting unit are provided, and the plurality of dust collecting units are arranged in parallel to each other in the horizontal direction and connected in series or mutually connected in parallel in the vertical direction .

An electrostatic precipitator according to a preferred embodiment of the present invention includes a body unit disposed on a flow path of air containing contaminants and a plurality of electrode lines patterned on one side of the body unit, And a collecting unit provided on the other side of the body unit facing the electrode line for collecting contaminants in the charged air by the collecting fluid.

According to one aspect, the charging unit includes an application unit for applying a positive electrode (+) or a negative electrode (-) to the plurality of electrode lines to generate a corona discharge.

According to one aspect, the plurality of electrode lines have a straight or curved shape arranged in parallel so as to be spaced apart from each other at regular intervals.

According to one aspect, the plurality of electrode lines include a plurality of first electrode lines spaced apart from each other by a predetermined distance, and a plurality of second electrode lines spaced apart from each other at a predetermined interval in a direction intersecting the first electrode lines do.

According to one aspect, the plurality of electrode lines have a plurality of concentric circular or polygonal shapes having the same center but different diameters.

According to one aspect of the present invention, the collecting unit includes a collecting water tank communicating with the body unit, the collecting water tank having a supply port and a discharge port for the collecting fluid, and a circulation unit for circulating the collecting fluid continuously into and out of the collecting water tank .

According to one aspect of the present invention, a filter unit for separating the contaminants from the collection fluid discharged from the collection water tank is provided between the collection water tank and the circulation unit.

According to one aspect of the present invention, the filter unit includes a trapping filter provided between an outlet of the trapping water tank and the circulation unit, and a storage body for storing the contaminants filtered by the trapping filter, Are formed integrally with each other.

According to one aspect of the present invention, a plurality of dust collecting units each including the body unit, the charging unit and the collecting unit are provided, and the plurality of dust collecting units are arranged in parallel in the horizontal direction and connected in series, Lt; / RTI >

According to the present invention having the above-described configuration, first, since the driving stop for draining the collected pollutants in the collecting process is not necessary, the problem of the conventional efficiency deterioration due to the driving stop can be improved.

Secondly, since a separate draining process is not required, it is possible to suppress the occurrence of re-scattering of contaminants that may occur during the draining process.

Third, since the collection fluid that collects the pollutants can be continuously circulated and reused, the efficiency can be improved.

Fourth, since the collected pollutants can be filtered from the collection fluid, it is possible to contribute to improvement of use efficiency of the collection fluid.

Fifth, since a plurality of dust collecting units each including a charging unit and a collecting unit are provided and connected in series or parallel to each other, the collection rate of contaminants can be improved even in an extremely polluted environment where the concentration of the pollutant is high.

1 is a perspective view schematically showing an electric dust collector according to a first preferred embodiment of the present invention,
FIG. 2 is a cross-sectional view schematically showing the electric dust collector according to the first preferred embodiment shown in FIG. 1,
Figs. 3 to 5 are plan views schematically showing various modifications of the electrode line shown in Fig. 1,
6 is a flowchart sequentially showing the collecting operation of the electric dust collector according to the first embodiment of the present invention,
7 is a cross-sectional view schematically showing an electric dust collector according to a second embodiment of the present invention,
8 is a cross-sectional view schematically showing an electric dust collector according to a third preferred embodiment of the present invention,
9 is a cross-sectional view schematically showing an electric dust collector according to a fourth preferred embodiment of the present invention.

Hereinafter, a preferred embodiment of the present invention will be described with reference to the accompanying drawings.

Referring to FIG. 1, an electrostatic precipitator 1 according to a first preferred embodiment of the present invention includes a body unit 10, a charging unit 20, and a collecting unit 30.

For reference, the electric dust collector 1 described in the present invention collects contaminant B, which is a bio-aerosol floating in air (A) such as dust.

The body unit 10 is a body of the electric dust collector 1 in which air A containing contaminants B is introduced and discharged. The body unit 10 includes a collecting body 11 installed on the path of the air A and an air inlet 12 formed to penetrate the collecting body 11 so as to face each other and to introduce and discharge the air A, And an air outlet 13.

As shown in FIG. 2, the body unit 10 has a hollow, substantially rectangular parallelepiped shape with a hollow interior, and the open air inlet 12 and the air outlet 13 face each other. The shape and size of the body unit 10 are not limited to the illustrated examples, and may be variously changed depending on the collection environment of the pollutant B.

The charging unit 20 is disposed on the flow path of the air A containing the contaminant B to electrically charge the contaminant B in the air A. [ 1 and 2, the charging unit 20 includes a plurality of electrode lines 21 and an application unit 22, which are provided on an upper portion of the body unit 10.

The plurality of electrode lines 21 are provided on the collecting body 11 of the body unit 10 and are patterned with a predetermined pattern. In the present embodiment, a plurality of electrode lines 21 are shown and exemplified as having a plurality of straight lines spaced apart at equal intervals. However, the present invention is not limited thereto, and various modifications as shown in Figs. 3 to 5 are possible.

Specifically, as shown in FIG. 3, a plurality of first electrode lines 121a spaced apart from one another by a predetermined distance, and a plurality of second electrodes 121a spaced apart from one another in a direction crossing the plurality of first electrode lines 121a, A modification of the electrode line 121 including the line 121b is also possible.

As shown in Fig. 4, a plurality of electrode lines 221 may have a plurality of concentric circles having the same center but different diameters, or a modification of the electrode line 321 having a plurality of concentric polygonal shapes as shown in Fig. 5 Do. In addition, although not shown in detail, another modification is also possible in which the plurality of electrode lines 21, 121, 221, and 321 have a curved shape, at least a part of which is not a straight line, having a curvature.

The application unit 22 applies a positive electrode or a negative electrode to the plurality of electrode lines 21 to generate a corona discharge. More specifically, the application unit 22 generates a corona discharge by applying a high voltage to the plurality of electrode lines 21, and the generated ions charge the contaminants B, which are particles in the air A,. As a result, the contaminant B in the charged air (A) is collected by the collecting unit 30 to be described later by an electric force.

The collecting unit (30) collects the contaminant (B) in the charged air (A) into the collecting fluid (W). The collection unit 30 includes a collection water tank 31 and a circulation unit 32 as shown in Fig.

The collection water tank 31 is a bath arranged to communicate with the lower part of the body unit 10 and provided with a supply port 31a and an outlet port 31b for the collection fluid W. The collecting water tank 31 is integrally formed at an open lower portion of the body unit 10 and is arranged to face a charging unit 20 including an electrode line 21. [ The collection water tank 31 is provided so that the collection fluid W flows in parallel with the inflow direction of the air A. The supply port 31a and the discharge port 31b of the trapping water tank 31 are arranged in parallel with the air inlet 12 and the air outlet 13 of the collecting body 11. [

The circulation unit 32 continuously circulates the collection fluid W to and from the collection water tank 31. The circulation unit 32 includes fluid circulation means such as a circulation pump to supply the collection fluid W to the supply port 31a of the collection water tank 31 and to collect the collected water W from the collection water tank 31, The fluid W is supplied and recirculated.

For reference, the circulation unit 32 may process the collected fluid W discharged from the trapped water tank 31 through a reduction process and re-supply it to the trapped water tank 31.

The collecting operation of the electric dust collector 1 according to the present invention having the above-described configuration will be described with reference to Figs. 2 and 6. Fig.

2 and 6, the air A is introduced into the collecting body 11 through the air inlet 12 of the collecting unit 30 (200). The inflow air A is corona discharged by the plurality of electrode lines 21 of the charging unit 20 so that the contaminants B in the air A are charged and collected by the collecting unit 30 300). That is, the charged contaminants B move toward the trapping water tank 31 of the trapping unit 30 facing the charging unit 20 and are collected by the trapping fluid W of the trapping water tank 31. The collection fluid W is circulated in one direction through the supply port 31a and the discharge port 31b of the trapping water tank 31 to be reused (400).

On the other hand, referring to Fig. 7, an electric dust collector 100 according to a second embodiment of the present invention is schematically shown.

7, the electrostatic precipitator 100 according to the second embodiment includes a body unit 10, a charging unit 20, and a collecting unit 130. Here, the body unit 10 and the charging unit 20 are the same as those of the electric dust collector 1 according to the first embodiment described with reference to Figs. 1 and 2. Accordingly, the structures of the body unit 10 and the charging unit 20 of the electric dust collector 100 according to the second embodiment described with reference to Fig. 7 are given the same reference numerals as those in Figs. 1 and 2, A detailed description will be omitted.

The collecting unit 130 according to the second embodiment includes a collecting water tank 131, a circulating unit 132, and a filter unit 133. The collection water tank 131 includes an inlet port (not shown) and an outlet port 131b for the collection fluid W and is installed at a lower portion of the collection body 11. The circulation unit 132 is connected to the collection fluid W, To the inside and outside of the water collecting tank (131). The constructions of the trapping water tank 131 and the circulation unit 132 are similar to those of the first embodiment described above.

The filter unit 133 is provided between the trapping water tank 131 and the circulation unit 132 and separates contaminants from the trapped fluid W discharged from the trapping water tank 131. More specifically, the filter unit 133 includes a collecting filter 134 provided between the discharge port 131b of the collecting water tank 131 and the circulating unit 132, a pollutant filter 134 filtered by the collecting filter 134, (B). At this time, the collecting filter 134 and the storage body 135 are integrally formed. A separate discharge line for discharging contaminants B stored in the storage body 135 may be provided in the storage body 135.

The contaminant B contained in the trapped fluid W discharged from the trapping water tank 131 is filtered through the filter unit 133 and is then discharged through the circulation unit 132 to the trap water tank 131 ). ≪ / RTI > Thus, the efficiency of filtration of the collection fluid W can be improved.

Referring to FIG. 8, an electric dust collector 500 according to a third preferred embodiment of the present invention is schematically shown.

As shown in FIG. 8, the electric dust collector 500 according to the third embodiment includes a plurality of dust collectors 510, 520, and 530 arranged in parallel to each other in the horizontal direction. In the third embodiment, the plurality of dust collecting units 510, 520, and 530 include the first through third dust collecting units 510, 520, and 530.

The first to third dust collecting units 510, 520 and 530 include a body unit 10, a charging unit 20, and a collecting unit 30, and are arranged side by side. 1 and 2, the structure of the body unit 10, the charging unit 20, and the collecting unit 30 is the same as that of the first embodiment described with reference to FIGS. 1 and 2. Therefore, And a detailed description thereof will be omitted.

The electric dust collecting apparatus 500 according to the third embodiment is provided with first to third dust collecting units 510, 520 and 530 connected in series in parallel with the flow of the air A. The first to third dust collecting parts 510, 520 and 530 are connected in series so that the air A discharged from the first dust collecting part 510 flows into the second dust collecting part 520, The air A discharged from the first dust collector 520 flows into the third dust collector 530. That is, according to the third embodiment, the contaminant B of the air A is collected into the collecting fluid W in three stages.

The collection fluid W may be independently supplied and discharged from the circulation unit 32 to the collection water tanks 31 of the first to third dust collectors 510, 520 and 530. The collecting water tanks 31 of the first to third dust collecting units 510, 520 and 530 are provided so as to communicate with each other so that the collecting fluid W passes through the first to third dust collecting units 510, (520) and (530) sequentially. Further, a plurality of the circulation units 32 may be provided corresponding to the first, second, third, and fourth dust collection units 510, 520, 530 and may be independently driven.

When the electric dust collector 500 according to the third embodiment is applied to an extremely polluted area such as an environment with a high dust concentration, the collection rate of the pollutant B per hour can be increased and the efficiency is improved.

Referring to FIG. 9, an electric dust collector 600 according to a fourth preferred embodiment of the present invention is schematically shown.

As shown in FIG. 9, the electric dust collector 600 according to the fourth embodiment includes a plurality of dust collecting units 610, 620, and 630 stacked in a mutually perpendicular direction. 6A and 6B illustrate that the plurality of dust collecting units 610, 620 and 630 include the first to third dust collecting units 610, 620, and 630, respectively, as in the third embodiment described above, It is to be understood that the number provided is not limited to the illustrated example.

The first to third dust collecting units 610, 620 and 630 include a body unit 10, a charging unit 20 and a collecting unit 30, respectively. 1 and 2, the structure of the body unit 10, the charging unit 20, and the collecting unit 30 is the same as that of the first embodiment described with reference to FIGS. 1 and 2. Therefore, And a detailed description thereof will be omitted.

The electrostatic precipitator 600 according to the fourth preferred embodiment of the present invention includes first to third dust collecting units 610, 620 and 630 stacked on each other and connected to each other in parallel. Since the first through third dust collectors 610 620 and 630 include the body unit 10, the charging unit 20 and the collecting unit 30 and are stacked in parallel to each other, It is possible to increase the amount of the pollutant B to be collected. That is, the collection efficiency of the pollutant B per hour is increased by the first to third dust collectors 610, 620, and 630, thereby improving the efficiency.

9, the first to third dust collecting units 610, 620 and 630 circulate the collecting fluid W by one circulating unit 32 and circulate the collected fluid W to one applying unit 22 But the present invention is not limited thereto. That is, a plurality of circulation units 32 and application units 22 may be provided corresponding to the number of the first to third dust collectors 610, 620, and 630.

The electric dust collectors 500 and 600 according to the third and fourth embodiments described above with reference to FIGS. 8 and 9 have the body unit 10, the charging unit 20, and the collecting unit 30, A plurality of dust collecting units 510 to 530 (610 to 630) including the respective dust collecting units can collect the pollutant B in the air A independently. In addition, the electric dust collectors 500 and 600 according to the third and fourth embodiments are configured such that as the plurality of dust collectors 510 to 530 and 610 to 630 are modularized, Or the number of the dust collecting units 510 to 530 (610 to 630) connected in parallel may be variously changed.

For reference, in the third and fourth embodiments, a plurality of dust collecting units 510 to 530 (610 to 630) are arranged in parallel or in parallel and arranged in parallel, but the present invention is not limited thereto . For example, the plurality of dust collecting units 510 to 530 (610 to 630) may be arranged in parallel to one another and may be stacked and arranged in parallel.

Although the present invention has been described with reference to the preferred embodiments thereof, it will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit and scope of the invention as defined in the following claims. It can be understood that

1, 100: Electric dust collector
10: Body unit
20: Charging unit
21, 121, 221, 321: electrode lines
22:
30, 130: collection unit
31, 131: collection tank
32, 132: circulation part
133:

Claims (20)

A charging unit disposed on a flow path of air containing contaminants to electrically charge contaminants in the air; And
A collecting unit for collecting the polluted material in the charged air as a collecting fluid;
/ RTI >
Further comprising a hollow body unit having an air inlet and an air outlet through which air containing the contaminant is introduced and discharged and installed on the path of air containing the contaminant,
Wherein the charging unit and the collecting unit are provided so as to face each other with respect to the body unit, wherein the collecting unit is disposed below the charging unit in the gravity direction,
The collecting unit includes:
A collection water tank provided to communicate with the body unit and provided with a supply port and an outlet port for the collection fluid; And
And a circulation unit for continuously circulating the collection fluid to the inside and outside of the collection water tank,
A filter unit for separating the contaminants from the trapped fluid discharged from the trapping water tank is provided between the trapping water tank and the circulation unit,
The filter unit includes:
A collecting filter provided between an outlet of the collecting water tank and the circulation unit; And
And a storage body for storing the pollutants filtered by the collection filter,
The charging unit includes:
A plurality of electrode lines provided on the body unit; And
And applying an anode (+) or a cathode (-) to the plurality of electrode lines to generate a corona discharge,
A plurality of dust collecting units each including the charging unit and the collecting unit,
Wherein the plurality of dust collecting units are arranged in parallel to each other in a horizontal direction and are connected in series or vertically stacked and connected in parallel.
delete delete The method according to claim 1,
Wherein the plurality of electrode lines are arranged in a line so as to be spaced apart from each other at regular intervals.
The method according to claim 1,
Wherein the plurality of electrode lines
A plurality of first electrode lines spaced apart from each other at regular intervals; And
A plurality of second electrode lines spaced apart from each other by a predetermined distance in a direction crossing the first electrode lines;
And an electric dust collector.
The method according to claim 1,
Wherein the plurality of electrode lines have a plurality of concentric circular or polygonal shapes having the same center but different diameters.
delete delete delete The method according to claim 1,
Wherein the collecting filter and the storage body are formed integrally with each other.
delete A body unit disposed on a flow path of air containing contaminants;
A charging unit electrically charging the contaminants in the air by including a plurality of electrode lines patterned on one side of the body unit; And
A collecting unit provided on the other side of the body unit facing the electrode line for collecting contaminants in the charged air as collected fluid;
/ RTI >
The collecting unit includes:
A collection water tank provided to communicate with the body unit and provided with a supply port and an outlet port for the collection fluid; And
And a circulation unit for continuously circulating the collection fluid to the inside and outside of the collection water tank,
A filter unit for separating the contaminants from the trapped fluid discharged from the trapping water tank is provided between the trapping water tank and the circulation unit,
The filter unit includes:
A collecting filter provided between an outlet of the collecting water tank and the circulation unit; And
And a storage body for storing the pollutants filtered by the collection filter,
Wherein the trapping filter and the storage body are formed integrally with each other,
Wherein the charging unit includes an application unit for applying a positive (+) or negative (-) voltage to the plurality of electrode lines to generate a corona discharge,
A plurality of dust collecting units each including the body unit, the charging unit, and the collecting unit,
Wherein the plurality of dust collecting units are arranged in parallel to each other in a horizontal direction and are connected in series or vertically stacked and connected in parallel.
delete 13. The method of claim 12,
Wherein the plurality of electrode lines are arranged in a line so as to be spaced apart from each other at regular intervals.
13. The method of claim 12,
Wherein the plurality of electrode lines
A plurality of first electrode lines spaced apart from each other at regular intervals; And
A plurality of second electrode lines spaced apart from each other by a predetermined distance in a direction crossing the first electrode lines;
And an electric dust collector.
13. The method of claim 12,
Wherein the plurality of electrode lines have a plurality of concentric circular or polygonal shapes having the same center but different diameters.
delete delete delete delete

Images