KR20190061173A - TAR AND VOCs COMPLEX TREATING SYSTEM AND METHOD OF COMPLEX TREATING TAR AND VOCs USING THE SAME - Google Patents

Abstract

The present invention relates to a combined treatment system of tar and volatile organic compounds, and a combined method for treating tar and volatile organic compounds using the same. The combined treatment system comprises: a tar removal unit for removing tar among the introduced tar and volatile organic compounds (VOCs); and a VOCs adsorption unit connected to the tar removal unit to remove VOCs. The tar removal unit comprises: a filter unit for filtering tar; a heat exchanger connected to the filter unit and performing heat exchange between the air provided to the filter unit and the cleaned air of the filter unit; and a first catalyst unit for removing harmful substances from the air which has been cleaned by the filter unit.

Description

TECHNICAL FIELD The present invention relates to a combined treatment system of tar and a volatile organic compound, and a combined treatment method of tar and a volatile organic compound using the same. BACKGROUND OF THE INVENTION 1. Field of the Invention [0001]

TECHNICAL FIELD The present invention relates to a tar and a volatile organic compound complex treatment system, and a tar and a combined treatment method of a volatile organic compound using the same, and more particularly, to a tar and a volatile organic compound compound treatment system using a tar and a volatile organic compound produced through a coating process, The present invention relates to a combined treatment system of tar and a volatile organic compound for reducing toxic substances generated in the course of gasification, and to a combined treatment method of tar and volatile organic compounds using the same.

Tar is a viscous, mainly liquid, harmful substance that occurs when destructive distillation of organic matter occurs. Volatile organic compounds (VOCs) are substances that belong to specific air pollutants together with heavy metals .

Such tar or volatile organic compounds are generated through processes such as a coating process, a printing process, and a semiconductor manufacturing process, and are various harmful substances harmful to the human body and are being developed for reducing the tar.

Particularly, as a method of treating volatile organic compounds, a combustion method (thermal oxidation method), a biological treatment method, an adsorption method, a catalytic oxidation method, and an agro-oxidative method are applied. In particular, It has many advantages as a method of adsorbing and desorbing organic compounds and is widely used as a treatment method of volatile organic compounds.

On the other hand, Korean Patent No. 10-1162094 discloses a technique for removing volatile organic compounds and odorous substances using microwaves, Korean Patent No. 10-0372186 discloses a decomposition apparatus for decomposing environmentally harmful compounds, Korean Patent No. 10-0889639 discloses a technique for treating volatile organic compounds.

As described above, techniques for removing harmful substances such as tar and volatile organic compounds have been developed in various forms, but in particular, in the case of filtering technology as a technique for removing tar, the removal efficiency decreases as harmful substances accumulate in the filter , The filter must be replaced, and the like.

Korean Patent No. 10-1162094 Korean Patent No. 10-0372186 Korean Patent No. 10-0889639

SUMMARY OF THE INVENTION Accordingly, the present invention has been made in view of the above problems, and it is an object of the present invention to provide a method and apparatus for removing toxic substances accumulated in a filter periodically while removing harmful substances, And more particularly to a tar and volatile organic compound combined treatment system capable of removing substances more effectively.

It is another object of the present invention to provide a combined treatment method of tar and volatile organic compounds using the combined treatment system of tar and volatile organic compounds.

In order to accomplish the object of the present invention, a combined treatment system according to an embodiment of the present invention includes a tar removal unit for removing tar among imported tar and volatile organic compounds (VOCs), and a tar removal unit connected to the tar removal unit to remove volatile organic compounds And a VOC absorption unit for removing the VOCs. Wherein the tar removal unit comprises a filter unit for filtering tar, a heat exchanger connected to the filter unit, for performing heat exchange between the air provided to the filter unit and the cleaned air of the filter unit, And a first catalyst unit for removing harmful substances from the air.

In one embodiment, the apparatus may further include a differential pressure measuring unit connected to both ends of the tar removing unit to measure a differential pressure of the tar removing unit.

In one embodiment, when the differential pressure measured by the differential pressure measurement unit is equal to or greater than a set value, the tar removal unit may stop the filtering operation and air may be supplied to the filter unit.

In one embodiment, at least two of the tar removal units are connected through a valve portion, and the tar and volatile organic compounds may be introduced into the tar removal unit selected by the valve portion.

In one embodiment, the differential pressure measuring unit may be connected to both ends of each of the two or more tar eliminating units to measure the differential pressure of each of the tar eliminating units.

In one embodiment, when the differential pressure measured by the differential pressure measuring unit is equal to or greater than a predetermined value, the tar unit removes the tar and the volatile organic compounds from the tar removal unit, May be provided.

In one embodiment, the flow direction of tar and volatile organic compounds (VOCs) in the filter unit and the flow direction of air provided to the filter unit may be opposite to each other.

In one embodiment, there is provided an apparatus for removing volatile organic compounds desorbed from the desorption unit, comprising: an activated carbon particle that is introduced into the VOCs adsorption unit and adsorbs volatile organic compounds; a desorption unit that desorbs the volatile organic compounds adsorbed by the activated carbon particles; 2 < / RTI > catalyst unit.

In one embodiment, the tar removal unit may further include a microwave providing unit for providing a microwave to the filter unit.

According to another aspect of the present invention, there is provided a combined processing system including at least two tar removal units, differential pressure measurement units, and VOCs adsorption units. The tar removal units remove tar among the incoming tar and volatile organic compounds (VOCs). The differential pressure measuring units are connected to both ends of each of the tar eliminating units to measure the differential pressure of each of the tar eliminating units. The VOCs adsorption unit is connected to the tar removal units to remove volatile organic compounds. When the differential pressure measured by the differential pressure measuring unit is equal to or greater than a predetermined value, the tar and volatile organic compounds are prevented from flowing into the tar removing unit, and air is supplied to the tar removing unit to be cleaned.

In one embodiment, one end of each of the tar removal units is connected, and the inflow and outflow of the tar and the volatile organic compound into the tar removal unit can be controlled.

In the combined treatment method according to one embodiment for realizing another object of the present invention described above, tar and a volatile organic compound are introduced first. The differential pressure of the tar removal unit is measured. If the measured differential pressure is less than the set value, the tar removal unit removes the tar through filtering. The VOCs adsorption unit connected to the tar removal unit removes volatile organic compounds. If the measured differential pressure is equal to or greater than the set value, the filtering operation of the tar removal unit is stopped and air is supplied to the tar removal unit to be cleaned.

In one embodiment, at least two of the tar removal units are provided and the filtering operation of the tar removal unit is stopped and cleaned when the measured differential pressure is above a set value, and when the measured differential pressure is less than the set value, Can remove tar through filtering.

In one embodiment, the filter unit of the tar removal unit is provided with air to be cleaned, and the cleaned air of the filter unit is passed through the first catalyst unit after the temperature is reduced through heat exchange, have.

According to the embodiments of the present invention, tar and volatile organic compounds can be all eliminated or reduced through a continuous treatment process, and various harmful substances can be effectively treated.

In the case of the tar removing unit, separate air is circulated to remove the harmful substances accumulated in the filter, and the heated air passing through the filter is heat-exchanged with air at room temperature to maintain the temperature at which the tar removing catalyst can effectively function To effectively remove harmful substances from the catalyst.

In addition, the filter unit can be periodically cleaned based on the differential pressure between both ends of the tar removal unit, and the replacement of the filter unit can be omitted, and the toxic substance reduction efficiency can be maintained.

In particular, in the state that at least two tar removing units are connected through the valve unit, the tar removing unit with an increased differential pressure performs the cleaning by blocking the entry of the harmful substances, while the filtering is performed by drawing the toxic substances into the other tar removing units When the filter unit is replaced or cleaned, harmful substances can be treated continuously without stopping the treatment of the harmful substances, which is effective.

In addition, since the tar is removed, the volatile organic compounds are removed through adsorption and desorption through separate VOCs adsorption units, so that all the harmful substances contained in tar and volatile organic compounds can be removed or reduced by a continuous process.

1 is a schematic diagram showing a combined treatment system of tar and a volatile organic compound according to an embodiment of the present invention.
Fig. 2 is a schematic diagram showing the filter unit and the microwave providing unit of Fig. 1. Fig.
3 is a schematic diagram showing a combined treatment system of tar and a volatile organic compound according to another embodiment of the present invention.
Fig. 4 is a schematic diagram showing the tar removal unit of Fig. 3;
FIG. 5 is a flowchart illustrating a combined treatment method of tar and a volatile organic compound using the tar and volatile organic compound combined treatment system of FIG. 3. FIG.

While the present invention has been described in connection with what is presently considered to be the most practical and preferred embodiment, it is to be understood that the invention is not limited to the disclosed embodiments. It is to be understood, however, that the invention is not intended to be limited to the particular forms disclosed, but on the contrary, is intended to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention. Like reference numerals are used for like elements in describing each drawing. The terms first, second, etc. may be used to describe various components, but the components should not be limited by the terms.

The terms are used only for the purpose of distinguishing one component from another. The terminology used in this application is used only to describe a specific embodiment and is not intended to limit the invention. The singular expressions include plural expressions unless the context clearly dictates otherwise.

In the present application, the term " comprises " or " comprising ", etc. is intended to specify that there is a stated feature, figure, step, operation, component, But do not preclude the presence or addition of one or more other features, integers, steps, operations, components, parts, or combinations thereof.

Unless defined otherwise, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. Terms such as those defined in commonly used dictionaries are to be interpreted as having a meaning consistent with the contextual meaning of the related art and are to be interpreted as either ideal or overly formal in the sense of the present application Do not.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a schematic diagram showing a combined treatment system of tar and a volatile organic compound according to an embodiment of the present invention. Fig. 2 is a schematic diagram showing the filter unit and the microwave providing unit of Fig. 1. Fig.

1 and 2, a combined treatment system of tar and a volatile organic compound (VOCs) (hereinafter referred to as a combined treatment system) 10 according to the present embodiment includes a tar removal unit 100, a differential pressure measurement unit 200 A VOCs adsorption unit 300, an activated carbon particle 400, a desorption unit 500, and a second catalyst unit 600.

The tar removal unit 100 removes tar among the introduced tar and the volatile organic compounds 20 and removes Tar from the filter unit 110, the microwave providing unit 120, the heat exchanger 130, (140).

In this case, the Tar includes dust and is regarded as a liquid material. Hereinafter, Tar is referred to as tar but may be extended to a liquid material including dust.

Similarly, the volatile organic compound is regarded as a gaseous substance, hereinafter referred to as a volatile organic compound, but its range can be expanded to a gaseous substance.

The filter unit 110 filters tar of the tar and the volatile organic compound 20. The filter unit 110 includes a chamber 111 and a filter 111 fixed to the center of the chamber 111, (112).

 First and second openings 113 and 114 are formed on both sides of the chamber 111 facing each other and the filter unit 112 is connected to the first and second openings 113 and 114 Both end faces are fixed to be positioned.

Accordingly, the tar and the volatile organic compound 20 flow through the first opening 113, pass through the filter unit 112, and then flow out through the second opening 114. In this process, Is filtered by the filter unit (112).

Fresh air 30 flows through the second opening 114 and flows out through the first opening 113 while containing filtered tar in the filter unit 112, as will be described later. Thus, the tar of the filter portion 112 is removed by the air 30, and the filter portion 112 is cleaned.

2, the microwave providing unit 120 is disposed adjacent to the filter unit 110. The microwave providing unit 120 is disposed above or below the chamber 111, for example, To generate microwaves.

That is, the microwave providing unit 120 supplies microwaves to the filter unit 112 to heat the filter unit 112, for example, in the range of 700 ° C. to 1,000 ° C. and pass through the filter unit 112 Thereby facilitating the adsorption of tar on the tar.

The heat exchanger 130 passes the fresh air 30 before being supplied to the filter unit 112 and passes through the filter unit 112 to simultaneously pass air 31 containing tar, Heat exchange occurs between the fresh air 30 and the air 31 containing the tar.

That is, as described above, since the filter unit 112 is heated by the microwave providing unit 120, the air 31 that has passed through the filter unit 112 is also heated. Therefore, the fresh air 30 in the heat exchanger 130 comes into contact with and is heat-exchanged, and the temperature of the air 31 containing the tar is lowered.

Meanwhile, the first catalyst unit 140 may be a catalyst for removing tar contained in the air 31 when the air 31 containing the tar passes through, for example, a noble metal catalyst.

In this case, when the first catalyst unit 140 is a precious metal catalyst, the effective driving condition is preferably 200 ° C or less. That is, when the air 31 containing tar is introduced into the first catalyst unit 140 through the filter unit 112, it may be difficult to effectively remove the tar because of the high temperature.

Therefore, as in the present embodiment, the air 31 containing the tar is passed through the heat exchanger 130 and the temperature is lowered through heat exchange with the fresh air 30. Thereafter, the first catalyst unit 140, The first catalyst unit 140 can be effectively driven to effectively remove the tar from the air 31. As a result,

The differential pressure measuring unit 200 measures the differential pressure between both ends of the filter unit 110, that is, the pressure of the introduced tar and the volatile organic compound 20, the pressure of the tar and the volatile organic compound Is measured.

In this case, harmful substances are removed around the tar through the filter unit 110, so that by measuring the differential pressure between both ends of the filter unit 110, the amount of harmful substances removed by the filter unit 110 Can be predicted. Thus, it is possible to monitor whether the filter unit 110 effectively removes harmful substances.

Especially. Since the filter unit 112 of the filter unit 110 accumulates harmful substances such as tar as the filtering time elapses, the filtering efficiency is reduced.

Therefore, as in the present embodiment, by measuring the difference in pressure between both ends of the filter unit 110 through the differential pressure measuring unit 200, the degree of harmful substances such as tar, which are accumulated in the filter unit 110, Can be predicted.

Thus, in the present embodiment, the difference in pressure between both ends of the filter unit 110 measured by the differential pressure measuring unit 200 is equal to or larger than a set value (a value that is determined to be unable to perform effective filtering of the filter unit, The flow of the tar and the volatile organic compound 20 into the filter unit 110 is stopped.

When the tar and the volatile organic compound 20 into the filter unit 110 are stopped, the fresh air 30 flows into the filter unit 110 of the filter unit 110 through the filter unit 112, A cleaning operation for removing harmful substances such as tar accumulated in the cleaning unit 112 is performed. In this case, the cleaning operation through the fresh air 30 is the same as that described above in detail, and a duplicate description will be omitted.

When the cleaning operation of the filter unit 110 is completed through the air 30, the tar and the volatile organic compounds 20 are introduced into the filter unit 110 again, and the filtering operation is performed again .

The differential pressure measuring unit 200 continuously measures the differential pressure between both ends of the filter unit 110 and monitors whether or not the differential pressure between both ends of the filter unit 110 is equal to or greater than a set value.

The tar and the volatile organic compound 20 that have passed through the tar removal unit 100 are removed from the tar to leave only the volatile organic compound 22. The residual volatile organic compound 22 is adsorbed on the VOCs Unit 300 as shown in FIG.

In this case, the activated carbon particles 400 flow into the VOCs adsorption unit 300 to adsorb and remove the VOCs. As a result, the gas that has passed through the VOCs adsorption unit 300 passes through the clean gas 23 ).

Meanwhile, the activated carbon particles 400 are supplied to the desorption unit 500 while the VOCs are adsorbed, and the VOCs are desorbed from the desorption unit 500. That is, the activated carbon particles 400 are circulated repeatedly by adsorbing and desorbing the VOCs between the VOCs adsorption unit 300 and the desorption unit 500.

Further, the hot air 40 flows into the desorption unit 500 to guide the VOCs desorbed to the desorption unit 500 to the second catalyst unit 600, 600, the VOCs are oxidized and finally removed.

As described above, the tar and the volatile organic compounds are sequentially removed through the addition treatment system 10, and the clean gas is discharged to the outside.

3 is a schematic diagram showing a combined treatment system of tar and a volatile organic compound according to another embodiment of the present invention. Fig. 4 is a schematic diagram showing the tar removal unit of Fig. 3;

The combined treatment system 11 (hereinafter referred to as a combined treatment system) of the present embodiment includes a plurality of tar removal units, which are the same as the combined treatment system described with reference to FIGS. 1 and 2, except that two or more tar removal units are included. The same reference numerals are used for the same constituent elements, and redundant explanations are omitted.

Referring to FIGS. 3 and 4, the combined treatment system 11 in this embodiment further includes at least two tar removal units 101, 102 and a valve unit 700.

In this case, as shown in FIG. 4, the components of each of the tar removing units 101 and 102 are substantially the same as those of the tar removing unit 100 described with reference to FIGS. 1 and 2, It is omitted.

3, two tar removal units are connected to each other through the valve unit 700. However, three or more tar removal units may be connected to the valve unit 700 through the valve unit 700, The stages can be connected to each other.

In the present embodiment, when the two tar removing units are connected, the valve unit 700 is driven to introduce the tar and the volatile organic compounds 20 into only one of the tar removing units, If the tar removing units are connected, at least one or more tar removing units may be opened except for the tar removing unit being cleaned, so that the tar and the volatile organic compounds 20 may be introduced.

As shown in the figure, in the case where two tar removal units are provided, the tar unit and the volatile organic compound 20 are prevented from flowing into the tar removal unit by the valve unit 700, And the other tar removal unit is opened by the valve unit 700 so that the introduction of the tar and the volatile organic compound 20 can be performed.

Alternatively, if three or more tar removal units are provided, cleaning is performed in the tar removal unit in which the tar and volatile organic compounds 20 are blocked by the valve unit 700, Filtering may be performed in the removal units.

Further, after the tar and the volatile organic compound 20 are opened and filtered by the valve unit 700, the tar and the volatile organic compound 20 remain only in the volatile organic compound 22, VOCs adsorption unit 300, and the removal of the volatile organic compounds thereafter is the same as that described in Figs. 1 and 2.

Referring again to FIG. 3, when one end of the two first and second tar removal units 101 and 102 is connected to the valve unit 700 as shown, the first and second differential pressure measurement The first and second tar removal units 101 and 102 measure differential pressures at both ends of the first and second tar removal units 101 and 102, respectively.

When the measured differential pressure of the first and second tar removal units 101 and 102 is equal to or greater than the set value, the valve unit 700 operates to remove the tar and the volatile organic compounds 20 Is blocked.

1 and 2, the fresh air 30 passes through the heat exchanger 130 and the filter unit 110 (not shown) ) To remove harmful substances such as tar accumulated in the filter unit to perform a cleaning operation on the filter unit.

When the cleaning operation for the tar removal unit is completed, the valve unit 700 is operated to open the introduction of the tar and the volatile organic compounds 20, so that the two tar removal units 101, 102) can simultaneously perform filtering on the tar and the volatile organic compound (20).

Alternatively, even if the execution of the cleaning operation is completed with respect to the tar removal unit (for example, the first tar removal unit 101), another tar removal unit (for example, the second tar removal unit 102) If the differential pressure between both ends of the first tar removing unit 101 is maintained to be smaller than the set value, the first tar removing unit 101 ) And the introduction of the tar and the volatile organic compound (20) can be maintained. Then, when the differential pressure between both ends of the second tar removal unit 102 becomes equal to or greater than a predetermined value, the tar and the volatile organic compound 20 are prevented from flowing into the second tar removal unit 102, The tar and the volatile organic compound 20 may be introduced into the first tar removing unit 101 having completed the cleaning operation.

As described above, when the two tar removing units are provided, the cleaning process and the filtering process are alternately performed, so that the tar and the volatile organic compound 20 can be continuously introduced It is possible to continuously remove harmful substances such as tar continuously.

FIG. 5 is a flowchart illustrating a combined treatment method of tar and a volatile organic compound using the tar and volatile organic compound combined treatment system of FIG. 3. FIG.

5, in the composite tar and volatile organic compound processing method using the combined treatment system 11, the tar and the volatile organic compound 20 are first introduced into the first tar removal unit 101 or the second tar removal unit 101, And enters the tar removal unit 102 (step S10).

In this case, the tar and the volatile organic compound 20 may be introduced into any or all of the first and second tar removal units 101 and 102, and may be filtered.

The differential pressures of both ends of the first and second tar removal units 101 and 102 are continuously monitored and measured by the first and second differential pressure measurement units 201 and 202, respectively (step S20).

Thereafter, if the differential pressure measured by the first and second differential pressure measurement units 201 and 202 becomes equal to or greater than the preset value (step S30), the introduction of the tar and the volatile organic compound 20 into the tar removal unit (Hereinafter, it is assumed that the first tar removing unit 101 is blocked from flowing into the first tar removing unit 101 for convenience of explanation).

At this time, if the tar and the volatile organic compounds 20 flow into only the first tar removing unit 101, while the flow of the tar and the volatile organic compounds 20 into the first tar removing unit 101 is blocked, 102 are opened and the tar and the volatile organic compound 20 are introduced (step S60).

Alternatively, if the tar and the volatile organic compounds 20 are introduced into both of the first and second tar removing units 101 and 102, only the inflow of the tar and the volatile organic compounds 20 into the first tar removing unit 101 is interrupted, The inflow into the second tar removal unit 102 is maintained.

Thereafter, the tar and the volatile organic compounds 20 flowing into the second tar removing unit 102 are filtered to remove harmful substances including tar (step S40).

Further, the tar and the volatile organic compound 20 that have passed through the second tar removal unit 102 remain only the volatile organic compound 22, and the volatile organic compound 22 is removed through the subsequent VOC adsorption unit 300 or the like. The clean gas 22 is also removed and the clean gas 23 is discharged (step S50).

Meanwhile, the first tar removing unit 101 in which the tar and the volatile organic compound 20 are blocked from flowing is subjected to a cleaning process (step S70). Since the cleaning process is the same as that described above, a detailed description thereof will be omitted do.

When the first tar remover unit 101 having completed the cleaning process is maintained in the standby state (step S80) and the differential pressure at both ends of the second tar remover unit 102 is equal to or greater than the set value The tar and the volatile organic compound 20 flow into the first tar removing unit 101 again to perform filtering on the tar and the volatile organic compound 20. [

According to the embodiments of the present invention as described above, tar and volatile organic compounds can be all removed or reduced through a continuous treatment process, and various toxic substances can be effectively treated.

In the case of the tar removing unit, separate air is circulated to remove the harmful substances accumulated in the filter, and the heated air passing through the filter is heat-exchanged with air at room temperature to maintain the temperature at which the tar removing catalyst can effectively function To effectively remove harmful substances from the catalyst.

In addition, the filter unit can be periodically cleaned based on the differential pressure between both ends of the tar removal unit, and the replacement of the filter unit can be omitted, and the toxic substance reduction efficiency can be maintained.

In particular, in the state that at least two tar removing units are connected through the valve unit, the tar removing unit with an increased differential pressure performs the cleaning by blocking the entry of the harmful substances, while the filtering is performed by drawing the toxic substances into the other tar removing units When the filter unit is replaced or cleaned, harmful substances can be treated continuously without stopping the treatment of the harmful substances, which is effective.

In addition, since the tar is removed, the volatile organic compounds are removed through adsorption and desorption through separate VOCs adsorption units, so that all the harmful substances contained in tar and volatile organic compounds can be removed or reduced by a continuous process.

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 or scope of the present invention as defined by the following claims. It can be understood that it is possible.

INDUSTRIAL APPLICABILITY The combined treatment system of tar and volatile organic compounds according to the present invention and the combined treatment method of tar and volatile organic compounds using the same have industrial applicability that can be used for reducing or eliminating tar and volatile organic compounds.

10, 11: Complex treatment system of tar and volatile organic compounds
100, 101, 102: Tar removal unit
110: filter unit 130: heat exchanger
120: microwave providing unit 140: first catalytic unit
200, 201, 202: differential pressure measuring unit
300: VOCs adsorption unit 400: activated carbon particles
500: Desorption unit 600: Second catalyst unit

Claims (14)

A tar removal unit for removing tar among the introduced tar and volatile organic compounds (VOCs), and a VOCs absorption unit connected to the tar removal unit for removing volatile organic compounds,
The tar removing unit includes:
A filter unit for filtering the tar;
A heat exchanger connected to the filter unit and performing heat exchange between the air provided to the filter unit and the cleaned air of the filter unit; And
And a first catalyst unit for removing harmful substances from the air that has been cleaned by the filter unit. The method according to claim 1,
And a differential pressure measuring unit connected to both ends of the tar removing unit and measuring a differential pressure of the tar removing unit. 3. The method of claim 2,
Wherein the tar removal unit stops the filtering operation and air is supplied to the filter unit when the differential pressure measured by the differential pressure measurement unit is equal to or larger than a set value. 3. The method of claim 2,
Wherein at least two of the tar removal units are connected through a valve portion, and the tar and volatile organic compounds are introduced into the tar removal unit selected by the valve portion. 5. The method of claim 4,
Wherein the differential pressure measuring unit is connected to both ends of each of the two or more tar eliminating units to measure the differential pressure of each of the tar eliminating units. 6. The method of claim 5,
Wherein when the differential pressure measured by the differential pressure measuring unit is equal to or greater than a predetermined value, the tar unit is blocked by the valve unit from entering the tar and the volatile organic compound, and air is supplied to the filter unit of the tar removal unit . The method according to claim 1,
Wherein the flow direction of tar and volatile organic compounds (VOCs) in the filter unit and the flow direction of air supplied to the filter unit are opposite to each other. The method according to claim 1,
Activated carbon particles that are introduced into the VOCs adsorption unit and adsorb the volatile organic compounds;
A desorption unit for desorbing the volatile organic compound adsorbed by the activated carbon particles; And
And a second catalyst unit for removing volatile organic compounds desorbed from the desorption unit. The apparatus as claimed in claim 1,
Further comprising a microwave providing unit for supplying a microwave to the filter unit. At least two tar removal units for removing tar among the introduced tar and volatile organic compounds (VOCs);
Differential pressure measuring units connected to both ends of each of the tar eliminating units to measure a differential pressure of each of the tar eliminating units; And
And a VOCs adsorption unit connected to the tar removal units to remove volatile organic compounds,
Wherein when the differential pressure measured by the differential pressure measuring unit is equal to or greater than a set value, the introduction of the tar and the volatile organic compound into the tar removing unit is blocked, and air is supplied to the tar removing unit to be cleaned. 11. The method of claim 10,
Further comprising a valve portion connected to one end of each of the tar removing units and controlling the flow of the tar and the volatile organic compounds into the tar removing unit. Introducing tar and volatile organic compounds;
Measuring a differential pressure of the tar removal unit;
Removing tar from the tar removal unit through filtering if the measured differential pressure is less than a set value; And
Wherein the VOCs adsorption unit connected to the tar removal unit removes volatile organic compounds,
Wherein when the measured differential pressure is equal to or greater than a set value, the filtering operation of the tar removal unit is stopped and air is supplied to the tar removal unit to be cleaned. 13. The method of claim 12,
At least two tar removal units are provided,
Wherein the filtering operation of the tar removal unit in which the measured differential pressure is equal to or greater than the set value is stopped and cleaned and the tar removal unit in which the measured differential pressure is smaller than the set value removes the tar through filtering. 13. The method of claim 12,
Characterized in that air is supplied to the filter unit of the tar removal unit to clean the filter unit and the air that has been cleaned through the filter unit is passed through the first catalyst unit after the temperature is reduced through heat exchange and toxic substances are removed Way.

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