KR102212450B1 - Simultaneous reduction device for noise and fine dust - Google Patents

Abstract

Disclosed are an apparatus for simultaneously reducing noise and fine dust generated from a subway station and a tunnel. According to one embodiment of the present invention, the apparatus comprises: a frame (110); a pre-filter (120) having a structure for inducing fine dust (4) of the air (1) flowing into the inside of the frame (110) along an inlet to fall to the lower part of the frame (110) by a collision, and for attenuating sound waves (3) generated from an external noise source; an electric dust collector (130); a sound absorbing material (150); an air layer (140) formed between the electric dust collector (130) and the sound absorbing material (150); and a washing unit (160) removing the fine dust (4), which falls to the lower part of the frame (110) after being collected by the pre-filter (120), the electric dust collecting unit (130), and the sound absorbing material (150), by spraying water or high-pressure gas.

Description

Simultaneous reduction device for noise and fine dust}

The present invention relates to a device for reducing noise and fine dust at the same time, and more particularly, to reduce noise and fine dust generated in underground stations and tunnels at the same time while having a material and configuration that meets the performance standards required in the railway field. It relates to a device for simultaneously reducing noise and fine dust.

In general, when trains and subways running high-speed railroads pass through underground stations and tunnels, it is expected that many problems will occur due to noise and fine dust. To prevent this in advance, it is necessary to reduce noise and fine dust. Countermeasures are essential.

In particular, in the case of underground stations, the distance between the railroad and the platform is close, and there are many cases where the railroad passes through the platform.Therefore, complaints about noise caused by railroad operation and fine dust caused by moving or stopping the train are increasing.

To prepare for such complaints or to reduce noise and fine dust at the same time, conventional technologies include photocatalyst coating technology on soundproof walls, technology that utilizes planting materials, technology that incorporates dust collection filters, and inertial filters that induce diffraction and interference. Technology, etc.

First, as a technology for applying a photocatalyst to a conventional soundproof wall, Korean Utility Model Publication No. 20-0356775 (polycarbonate coated with a photocatalyst) has been disclosed. In this case, a liquid photocatalyst raw material is applied to the entire surface of the polycarbonate and dried to form a photocatalyst coating layer in the form of a film. However, the prior art removes viruses, bacteria, and precursors of fine dust with the oxidative decomposition power generated when irradiated with light.However, if there is no light source for irradiating light, there is no effect. There is a problem that is difficult to do.

In addition, as a technology for utilizing planting materials for conventional soundproof walls, Korean Patent Publication No. 10-0970945 (environmentally friendly greening soundproof walls using planting pots and vegetation inducing members) has been disclosed. This is constituted by a soundproof wall including a water tray for installing a planting pot on a plurality of pillars, in which a plant such as a plant is planted, and continuously installed above the pillars to supply water to the planting pots. However, the prior art requires careful management of plants planted in planting pots, requires a management cost for such management, and has a problem that spoils the aesthetics when the management of the plants is insufficient.

In addition, as a technology for embedding a conventional dust collecting filter, Korean Patent Laid-Open Publication No. 10-2015-0069208 (multifunctional soundproof wall having an air quality improvement function) has been disclosed. This consists of a soundproof wall installed upright along a roadside or trackside, and a cyclone dust collector-based air purification means installed on the soundproofing wall to remove scattered dust generated when a car or train runs along a road or track. However, the conventional technology requires frequent replacement and cleaning of the filter of the cyclone dust collector, and thus it is difficult to apply widely. In particular, in the railway field, there is a problem in that the utilization of the technology is low due to concerns about the safety of workers.

In addition, the technology incorporating an inertial filter that induces diffraction and interference has been designed to be advantageous for noise reduction, but the effect of noise reduction is very low, and there is a problem in that the reduction efficiency of fine dust is poor.

Republic of Korea Utility Model Publication No. 20-0356775 Republic of Korea Patent Publication No. 10-0970945 Republic of Korea Patent Publication No. 10-0970945

The present invention has been devised to solve the above problems, and is equipped with a material and configuration that satisfies the performance standards required in the railway field, while simultaneously reducing noise and fine dust generated in underground stations and tunnels. An object of the present invention is to provide a device for reducing dust simultaneously.

In addition, the present invention is a pre-filter that attenuates sound waves and reduces fine dust, an electric dust collecting unit that serves as a guide vane while collecting fine dust with ions generated by corona discharge, an air layer for sound insulation, and a fine dust while absorbing sound waves. An object of the present invention is to provide an apparatus for simultaneously reducing fine dust including a sound absorbing material to collect dust.

On the other hand, the technical problem to be achieved in the present invention is not limited to the technical problems mentioned above, and other technical problems not mentioned are clearly understood by those of ordinary skill in the technical field to which the present invention belongs from the following description. Can be.

As a technical means for achieving the above object, the simultaneous noise reduction device according to an embodiment of the present invention has at least one inlet through which air (1) containing fine dust is introduced, and is formed on the other side. A frame 110 having one or more outlets from which the clean air 2 from which the dust is removed is formed; It is provided inside the frame 110 and induces the fine dust 4 of the air 1 flowing into the frame 110 along the inlet to fall to the lower portion of the frame 110 through collision, A pre-filter 120 having a structure for attenuating the sound waves 3 generated from the noise source; An electric dust collecting unit 130 provided inside the frame 110 to collect fine dust 4 contained in the air 1 by emitting electricity toward the air 1 that has passed through the pre-filter 120; It is provided inside the frame 110, and at least one sound-absorbing hole 151 for absorbing the sound wave 3 is formed, and the fine dust 4 contained in the air 1 passing through the electric dust collecting unit 130 A sound absorbing material 150 for collecting fine dust 4 through electricity of the electric dust collecting unit 130 while removing the precursor; An air layer 140 formed between the electric dust collector 130 and the sound absorbing material 150; And a washing unit ( 160); includes.

In addition, the frame 110 is applied with a voltage of a pole opposite to the positive or negative pole of the electric precipitator 120 through contact with the electric precipitator 120 to collect the fine dust 4 falling downward. .

In addition, the pre-filter 120 is formed to be curved toward the flow direction of the air (1), the first filter member 121 for inducing the air (1) to flow toward the electric dust collecting unit 130; The first filter member 121 is formed to be curved in a first direction from one side of the first filter member 121, and the electric dust collecting unit 130 is formed along the first filter member 121 or fine dust contained in the air 1 introduced from the outside. A second filter member 122 for inducing the fine dust 4 to fall to the lower portion of the frame 110 by colliding the fine dust 4 contained in the air 1 flowing toward it; And fine dust 4 or frame 110 included in the air 1 that is formed to be curved from the other side of the first filter member 121 toward the second direction, and is guided along the first filter member 121. Includes; a third filter member 123 for inducing the fine dust 4 to fall to the lower portion of the frame 110 by colliding with the fine dust 4 moving backward toward the inlet of the frame 110 from the inside of I can.

In addition, the first filter member 121 is formed to be curved so that the central portion protrudes toward the first direction to form a mountain 121 ′, and the third filter member 123 protrudes toward the first direction to reduce the separation distance. ) Together with the sound wave (3).

In addition, the second filter member 122 may be formed to extend to be bent so that the central portion protrudes toward the flow direction of the air 1.

In addition, the third filter member 123 may be formed to extend to be curved so that the central portion of the filter member 123 protrudes from the inside of the frame 110 toward the direction in which the fine dust 4 travels backward.

Further, the electric dust collecting unit 130 may include a voltage applying member 131 for applying a voltage of a positive or negative pole; A plurality of discharge panels 132 having the same pole as the voltage applying member 131 through contact with the voltage applying member 131; A plurality of dust collecting panels 133 collecting fine dust 4 contained in the air 1 passing through the pre-filter 120 while having a pole opposite to the voltage applying member 131 by the discharge panel 132 ; A penetrating member 134 extending through a groove formed in the dust collecting panel 133; And a fixing member 135 which is fastened to a part of the upper side and a part of the lower side of the dust collecting panel 133, respectively, and fixes the dust collecting panel 133.

In addition, the discharge panel 132 and the dust collecting panel 133 may be inclined at 35 to 55° in the flow direction of the air 1.

In addition, the sound absorbing material 150 is at least one of a photocatalyst for generating hydroxyl radicals on one side adjacent to the electric dust collecting unit 130, and graphene, carbon nanotubes, and a metal coating material for applying a voltage of the electric dust collecting unit 130 Can be applied.

In addition, the device for reducing noise and fine dust at the same time may have a sound absorption rate of NRC 0.7 or higher and a reduction efficiency of PM 2.5 through the pre-filter 120, the electric dust collecting unit 130, the air layer 140, and the sound absorbing material 150.

In addition, the thickness of the pre-filter 120, the electric dust collecting unit 130, the air layer 140, and the sound absorbing material 150 may be 100 cm or less based on the flow direction of the air 1.

According to an embodiment of the present invention, it is possible to provide an apparatus for simultaneously reducing noise and fine dust using a pre-filter capable of reducing fine dust by inducing collision of fine dust particles while attenuating the diffraction of sound waves and noise.

And according to an embodiment of the present invention, by applying a material for applying the voltage of the electric dust collector to the sound absorbing material, it is possible to provide an apparatus for simultaneously reducing noise and fine dust including a sound absorbing material capable of absorbing noise as well as collecting fine dust.

In addition, according to an embodiment of the present invention, it is possible to provide an apparatus for simultaneously reducing noise and fine dust that secures a sound absorption rate of 0.7 or more NRC and a reduction efficiency of ultrafine dust of PM 2.5 by 30% or more.

On the other hand, the effects obtainable in the present invention are not limited to the above-mentioned effects, and other effects not mentioned will be clearly understood by those of ordinary skill in the art from the following description. I will be able to.

1 is a side cross-sectional view showing the configuration of a simultaneous noise reduction device according to an embodiment of the present invention.
2 is a diagram illustrating a process of attenuating noise generated from a noise source by the pre-filter.
3 is a diagram illustrating a process in which the pre-filter drops fine dust downward.
4 is a perspective view showing a configuration of an electric dust collecting unit.
5 is a view showing the inclination of the discharge panel and the dust collecting panel.
6 is a block diagram showing a configuration connected to a simultaneous noise reduction device.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those of ordinary skill in the art may easily implement the present invention. However, since the description of the present invention is merely an embodiment for structural or functional description, the rights of the present invention (the scope should not be construed as being limited by the embodiment described in the text. That is, the embodiment is variously modified. Since this is possible and may have various forms, it should be understood that the scope of the present invention includes equivalents capable of realizing the technical idea In addition, the object or effect presented in the present invention should be included in all of the specific embodiments. Since it does not mean that only such effects should be included, the scope of the present invention should not be understood as being limited thereby.

The meaning of the terms described in the present invention should be understood as follows.

Terms such as "first" and "second" are used to distinguish one component from other components, and the scope of rights is not limited by these terms. For example, a first component may be referred to as a second component, and similarly, a second component may be referred to as a first component. When a component is referred to as being "connected" to another component, it should be understood that although it may be directly connected to the other component, another component may exist in the middle. On the other hand, when it is mentioned that a component is "directly connected" to another component, it should be understood that there is no other component in the middle. On the other hand, other expressions describing the relationship between the constituent elements, that is, "between" and "just between" or "neighboring to" and "directly neighboring to" should be interpreted as well.

Singular expressions are to be understood as including plural expressions unless the context clearly indicates otherwise, and terms such as "comprises" or "have" refer to specified features, numbers, steps, actions, components, parts, or It is to be understood that it is intended to designate that a combination exists and does not preclude the presence or addition of one or more other features or numbers, steps, actions, components, parts, or combinations thereof.

All terms used herein have the same meaning as commonly understood by one of ordinary skill in the field to which the present invention belongs, unless otherwise defined. Terms defined in a commonly used dictionary should be interpreted as having the meaning of the related technology in context, and cannot be interpreted as having an ideal or excessively formal meaning unless explicitly defined in the present invention.

Hereinafter, an apparatus 100 for simultaneously reducing fine dust and noise according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

1 is a side cross-sectional view showing the configuration of a simultaneous noise reduction device according to an embodiment of the present invention, Figure 2 is a view showing a process of attenuating the noise generated from the pre-filter, Figure 3 is a pre-filter It is a diagram showing a process of dropping fine dust downward, FIG. 4 is a perspective view showing the configuration of an electric dust collecting unit, FIG. 5 is a diagram showing the inclination of the discharge panel and the dust collecting panel, and FIG. It is a block diagram showing the connected configuration.

Referring to FIG. 1, the simultaneous noise reduction device 100 according to an embodiment of the present invention is a device that simultaneously reduces noise and fine dust generated in underground stations and tunnels, and includes a frame 110 and a pre-filter 120. It is configured to include an electric dust collecting unit 130, an air layer 140, a sound absorbing material 150, and a washing unit 160. Here, the external noise source generating noise and the object generating fine dust mean a train, a subway, etc. running on a railway.

Referring to FIG. 1, the frame 110 includes a pre-filter 120, an electric dust collecting unit 130, an air layer 140, and a sound absorbing material 150, and a washing unit 160 is provided at a lower portion of one side. .

In addition, the frame 110 has at least one inlet through which air 1 containing fine dust is introduced, so that the air 1 containing fine dust is introduced into the frame 110, and clean air 2 is supplied to the other side. At least one discharge port for discharging is formed so that the clean air 2 is discharged in the other direction.

In addition, the frame 110 is made of a material to which voltage is applied. Through this, the frame 110 is applied with a voltage from the electric dust collecting unit 130 or the dust collecting device 200 to have a pole opposite to the positive or negative pole of the electric dust collecting unit 130 or the dust collecting device, and the prefilter 120 ), the fine dust 4 falling to the lower portion of the frame 110 by the electric dust collecting unit 130 and the sound absorbing material 150 is collected.

Here, it is preferable that the frame 110 is made of a material to which a voltage is applied in order to collect the fine dust 4 falling downward.

The pre-filter 120 is located closest to the inlet of the frame 110, and induces the diffraction of the incoming sound wave 3 generated from an object generating noise and fine dust (eg, train, subway, etc.) (3) It is made of a special structure to induce the collision of the fine dust (4) contained in the air (1) while attenuating (3) to drop the fine dust (4) under the frame (110).

2 to 3, the pre-filter 120 of a special structure is configured to include a first filter member 121, a second filter member 122, and a third filter member 123.

Furthermore, the first filter member 121, the second filter member 122, and the third filter member 123 are used for the collision of fine dust 4 contained in the air 1 and the attenuation of the sound wave 3 It would be desirable to be provided in plural.

The first filter member 121 is formed to be curved in the other direction, which is the flow direction of the air 1 including fine dust, to guide the air 1 containing fine dust to the electric dust collecting unit 130.

In addition, a central portion of the first filter member 121 protrudes in a first direction, which is a direction in which the second filter member 122 is extended, thereby forming a mountain 121 ′. In this way, the formation of the acid 121 ′ in the first filter member 121 is a separation distance while the first filter member 121 guides the air 1 containing fine dust to the third filter member 123 This is to attenuate the sound wave 3 colliding with the reduced third filter member 123.

In addition, the sound waves 3a colliding with the first filter member 121 and the third filter member 123 may pass through the prefilter 120 while noise is attenuated by the collision.

The second filter member 122 follows the fine dust 4 or the first filter member 122 of the air 1 containing fine dust flowing into the frame 110 along the inlet of the frame 110 The first filter member 121 from one side of the first filter member 121 to induce the fine dust 4 contained in the air 1 flowing toward the electric dust collecting unit 130 to fall to the lower portion of the frame 110 based on the collision. It extends to be curved toward the direction.

In addition, the central portion of the second filter member 122 protrudes in the other direction, which is the flow direction of the air 1 containing fine dust to form a mountain 122 ′. In this way, the formation of the acid 122 ′ in the second filter member 122 reduces the number of collisions of the fine dust 4 by reducing the separation distance between the first filter member 121 and the second filter member 122. It is to increase the fine dust 4 to fall below the frame 110 as much as possible.

The third filter member 123 is the fine dust 4 of the air 1 containing the fine dust guided along the first filter member 121 or the fine dust 4 running backward toward the inlet of the frame 110 Is formed to be bent in a second direction from the other side of the first filter member 121 in order to induce falling to the lower portion of the frame 110 based on the collision.

In addition, the central portion of the third filter member 123 protrudes in one direction backward toward the inlet of the frame 110 to form a mountain 123 ′. In this way, the acid 123' is formed in the third filter member 123 by reducing the separation distance between the first filter member 121 and the third filter member 123, which is a medium for noise attenuation. It is to attenuate the sound wave (3) as much as possible by increasing the number of collisions.

The electric dust collecting unit 130 is located on the rear side of the pre-filter 120, and discharges electricity toward the air 1 containing fine dust passing through the pre-filter 120 to generate fine dust (4) based on corona discharge. Collect. Here, the corona discharge refers to an electrical discharge generated by ionization of a fluid around a conductor.

4 to 5, the electric dust collecting unit 130 is configured to include a voltage applying member 131, a discharge panel 132, a dust collecting panel 133, a penetrating member 134, and a fixing member 135. .

The voltage applying member 131 makes physical contact with the discharge panel 132 in order to apply a voltage of positive or negative pole to the discharge panel 132.

Furthermore, the voltage applying member 131 is provided in plurality to shorten the corona discharge time of the discharge panel 132 and increase the dust collection efficiency of the fine dust 4, so that a plurality of physical contact with the discharge panel 132 can be made. have.

The discharge panel 132 has the same positive or negative pole as the voltage applying member 131 through physical contact with the voltage applying member 131, through which fine dust from the air 1 passing through the prefilter 120 (4) It generates ions for collecting dust.

When the discharge panel 132 is discharged to the same positive or negative pole as the voltage applying member 131, the dust collecting panel 133 has a pole opposite to that of the voltage applying member 131 and the discharge panel 132. Fine dust 4 is collected from the air 1 that has passed through the filter 120.

And the dust collecting panel 133 continuously collects the fine dust 4, so that the size of the fine dust 4 to be collected increases, and the fine dust 4 is transferred to the frame 110 by gravity. Fall down.

Furthermore, the discharge panel 132 and the dust collecting panel 133 may be inclined at a predetermined angle θ to perform a damping effect of the sound wave 3 and a role of a guide vane. Here, the guide vane refers to a device capable of increasing or decreasing the amount of fluid by rotating the fluid by the action of the wing.

In addition, the discharge panel 132 and the dust collecting panel 133 are inclined at 35 to 55° (45±10°) based on the flow direction of the air 1 passing through the prefilter 120. In this case, the discharge panel 132 may be inclined through the voltage applying member 131, and the dust collecting panel 133 may be inclined through the through member 134.

In addition, the discharge panel 132 and the dust collecting panel 133 are provided in plural, but are alternately arranged. Through this, the dust collecting panel 132 has a plus or a minus pole by one or more discharge panels 132, and the plus or minus pole is more easily achieved than when having a plus or minus pole by one discharge panel 132. Can have. As a specific example, the first dust collecting panel 133a has a positive or negative pole by the first discharge panel 132a and the second discharge panel 132b, compared to when having electrodes by one discharge panel 132. All can have electrodes in a short time.

The penetrating member 134 is formed to extend through the grooves respectively formed on the upper and lower sides of the dust collecting panel 133.

The fixing member 135 is fastened to an upper part and a lower part of the dust collecting panel 133, respectively, and fixes the dust collecting panel 133 at a predetermined angle through this.

Referring back to FIG. 1, the air layer 140 is formed between the electric dust collecting unit 130 and the sound absorbing material 150, and the electric dust collecting unit 130 and the sound absorbing material 150 may be separated by 10 cm or more.

The air layer 140 is a space formed for sound insulation of the sound waves 3 that have passed through the electric dust collecting unit 130, and the pre-filter 110, which can insert the operator's hand or replacement device, the electric dust collecting unit 130, and the sound absorbing material It is a space for replacement of 150.

However, the air layer 140 is not limited to being formed between the electric dust collecting unit 130 and the sound absorbing material 150, and between the one side of the frame 110 in which the inlet port is formed and the prefilter 120, the prefilter ( An additional air layer may be formed between the 120) and the electric precipitator 130, and such an additional air layer may be secured at least 10 cm.

Through this, a space for replacement of the pre-filter 120, the electric dust collector 130, and the sound-absorbing material 150 is provided, and a space for sound insulation of the sound wave 3 is provided, and the air 1 containing fine dust is As the flow distance increases, the noise reduction effect may increase and the removal (dust collection) time of the fine dust 4 may increase.

Referring to FIG. 1, the sound absorbing material 150 is spaced apart from the electric dust collecting unit 130 with the air layer 140 interposed therebetween, and a sound absorbing hole () on one side adjacent to the electric dust collecting unit 130 in order to absorb sound waves 3 151) is formed.

In addition, a photocatalyst is applied to one side of the sound absorbing material 150 to remove viruses, bacteria, and precursors of the fine dust 4. Such a photocatalyst generates hydroxyl radicals by light irradiated from a light source (not shown) and can remove viruses, bacteria, and precursors of fine dust 4 through oxidative decomposition.

In addition, the sound absorbing material 150 is a carbon material such as graphene, carbon nanotubes, and metal on one side and the inner surface of the sound absorbing port 151 to collect fine dust 4 from the air 1 passing through the air layer 140. One of the coatings is applied. Through the application of the dust collecting material, the sound-absorbing material 150 is applied with a voltage from the voltage applying member 131 or the dust collecting device 200 to perform the function of the electric dust collecting unit 130, and collects the fine dust 4 to collect the frame 110 Fall to the bottom of ).

In addition, the clean air 2 from which the fine dust 4 has been removed by the sound absorbing material 150 remains in the air layer 140 when the process of reducing the sound waves 3 and the air 1 containing fine dust is completed, It may be discharged through a separate clean air outlet (not shown) formed on one side of (110).

On the other hand, the sound absorbing material 150, as shown in Figure 6, when the simultaneous noise reduction device 100 of the present invention is connected to the dust collector 200, the air (1) collecting the fine dust (4) A first outlet (not shown) penetrating through one side and the other side may be formed in order to pass through the dust collecting device 200.

In contrast, when the device 100 for reducing noise and fine dust of the present invention is connected to the dust collecting device 200, the sound absorbing material 150 may be excluded from the device 100 for simultaneously reducing noise and fine dust. Through this, the air 1 containing fine dust passing through the electric dust collecting unit 130 may flow toward the dust collecting device 200 after passing through the air layer 140.

The pre-filter 120, the electric dust collector 130, the air layer 140, and the sound absorbing material 150 may have a thickness of 100 cm or less based on the flow direction of the air 1 containing fine dust. This is to ensure that the simultaneous noise reduction device 100 of the present invention has a sound absorption rate of 0.7 or more and a reduction efficiency of ultrafine dust of less than 2.5 PM through the above configuration. It is for sake.

That is, the device 100 for reducing noise and fine dust of the present invention secures 30% or more of the reduction efficiency of ultra-fine dust with PM 2.5 or less, and it is understood that the fine dust 4 to be reduced includes ultra-fine dust. Would be desirable.

Referring to FIG. 1, the washing unit 160 is collected by the pre-filter 120, the electric precipitator 130, and the sound absorbing material 150, so that water or high pressure is applied to the fine dust 4 falling below the frame 110. Remove by spraying gas.

In addition, the frame 110 may have a second outlet (not shown) formed on the other side for discharging fine dust 4 removed by water or high-pressure gas sprayed from the washing unit 160 to the outside.

On the other hand, the simultaneous noise and fine dust reduction apparatus 100 of the present invention detects the fine dust 4 dropped to the lower portion of the frame 110 in order to set the time when the washing unit 160 sprays water or high-pressure gas. It would be desirable to include a sensor (not shown) and a control unit (not shown).

Furthermore, the controller (not shown) may control the timing of applying the voltage to the electric precipitator 130 as well as the washing unit 160.

Detailed description of the preferred embodiments of the present invention disclosed as described above has been provided to enable those skilled in the art to implement and implement the present invention. Although the above has been described with reference to preferred embodiments of the present invention, those skilled in the art will appreciate that various modifications and changes can be made to the present invention without departing from the scope of the present invention. For example, a person skilled in the art may use the components described in the above-described embodiments in a manner that combines them with each other. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

The present invention may be embodied in other specific forms without departing from the spirit and essential features of the present invention. Therefore, the detailed description above should not be construed as restrictive in all respects and should be considered as illustrative. The scope of the present invention should be determined by reasonable interpretation of the appended claims, and all changes within the equivalent scope of the present invention are included in the scope of the present invention. The invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein. In addition, an embodiment may be configured by combining claims that do not have an explicit citation relationship in the claims or may be included as a new claim by amendment after filing.

1: air containing fine dust,
2: clean air,
3: sound waves,
4: fine dust,
100: noise and fine dust simultaneous reduction device,
110: frame,
120: prefilter,
121: first filter member,
121': mountain,
122: second filter member,
123: third filter member,
130: electric dust collecting unit,
131: voltage applying member,
132: discharge panel,
133: dust collecting panel,
134: penetrating member,
135: fixing member,
140: air layer,
150: sound absorbing material,
151: metal coating material,
160: washing unit,
200: dust collector.

Claims (11)

In the simultaneous noise reduction device for fine dust and noise generated in underground stations and tunnels,
A frame 110 having at least one inlet port through which air 1 containing fine dust is introduced, and at least one outlet at the other side through which the clean air 2 from which the fine dust is removed is formed;
It is provided inside the frame 110 and guides the fine dust 4 of the air 1 flowing into the frame 110 along the inlet to fall to the bottom of the frame 110 through collision And a pre-filter 120 having a structure to attenuate sound waves 3 generated from an external noise source;
An electric dust collecting unit 130 provided inside the frame 110 to collect fine dust 4 contained in the air 1 by releasing electricity toward the air 1 that has passed through the pre-filter 120 );
It is provided inside the frame 110, at least one sound-absorbing hole 151 for absorbing the sound wave 3 is formed, and fine dust contained in the air 1 passing through the electric dust collecting unit 130 ( A sound absorbing material 150 for collecting the fine dust 4 through electricity from the electric dust collecting unit 130 while removing the precursor of 4);
An air layer 140 formed between the electric dust collector 130 and the sound absorbing material 150; And
After being collected by the pre-filter 120, the electric dust collecting unit 130, and the sound-absorbing material 150, the fine dust 4 that falls below the frame 110 is removed by spraying water or high-pressure gas. Washing unit 160; simultaneous noise reduction device comprising a. The method of claim 1,
The frame 110,
Noise and fine dust, characterized in that it collects fine dust 4 falling downward by being applied with a voltage of a pole opposite to the positive or negative pole of the electric dust collecting part 130 through contact with the electric dust collecting part 130 Simultaneous abatement device. The method of claim 1,
The pre-filter 120,
A first filter member 121 that extends to be curved toward the flow direction of the air 1 and guides the air 1 to flow toward the electric precipitator 130;
The electric dust collecting unit is formed to extend from one side of the first filter member 121 to be bent in a first direction, and includes fine dust contained in the air (1) introduced from the outside or along the first filter member 121 A second filter member 122 for inducing the fine dust 4 to fall to the lower portion of the frame 110 by colliding with the fine dust 4 contained in the air 1 flowing toward the 130; And
The first filter member 121 is formed to be curved in a second direction from the other side, and the fine dust 4 or the frame included in the air 1 guided along the first filter member 121 The third filter member 123 for inducing the fine dust 4 to fall to the lower portion of the frame 110 by colliding with the fine dust 4 traveling from the inside of the frame 110 toward the inlet of the frame 110 ); Simultaneous noise reduction device comprising a. The method of claim 3,
The first filter member 121,
The sound wave (3) together with the third filter member 123, which is formed to be curved so that the central portion protrudes toward the first direction to form a mountain 121 ′, and protrudes toward the first direction to reduce the separation distance. ) Simultaneous noise reduction device, characterized in that attenuating. The method of claim 3,
The second filter member 122,
Simultaneous noise and fine dust reduction device, characterized in that the central portion is formed to be curved to protrude toward the flow direction of the air (1). The method of claim 3,
The third filter member 123,
A device for simultaneously reducing noise and fine dust, characterized in that the central portion is formed to be curved to protrude from the inside of the frame 110 in a direction in which the fine dust 4 travels backward. The method of claim 1,
The electric dust collecting unit 130,
A voltage applying member 131 for applying a voltage of a positive or negative pole;
A plurality of discharge panels 132 having the same pole as the voltage applying member 131 through contact with the voltage applying member 131;
A plurality of dust collecting panels that have a pole opposite to the voltage applying member 131 by the discharge panel 132 and collect fine dust 4 contained in the air 1 that has passed through the pre-filter 120 (133);
A penetrating member 134 extending through the groove formed in the dust collecting panel 133; And
And a fixing member (135) fastened to a portion of the upper and lower portions of the dust collecting panel (133) and fixing the dust collecting panel (133). The method of claim 7,
The discharge panel 132 and the dust collection panel 133,
Simultaneous noise reduction device, characterized in that inclined to 35 ~ 55 ° in the flow direction of the air (1). The method of claim 1,
The sound-absorbing material 150,
A photocatalyst for generating hydroxyl radicals and at least one of graphene, carbon nanotubes, and a metal coating material for applying the voltage of the electrostatic precipitator 130 to one side adjacent to the electrostatic precipitator 130 is applied. Simultaneous noise reduction device for fine dust. The method of claim 1,
The simultaneous noise reduction device for fine dust,
Through the pre-filter 120, the electric dust collector 130, the air layer 140, and the sound-absorbing material 150, the sound absorption rate of NRC 0.7 or higher and the reduction efficiency of PM 2.5 are 30% or more. Device. The method of claim 1,
Noise and fine dust, characterized in that the thickness of the pre-filter 120, the electric dust collector 130, the air layer 140, and the sound absorbing material 150 is 100 cm or less based on the flow direction of the air (1). Abatement device.

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