KR20180056357A - A device for removing harmful substances with a structure for treating harmful substances using a catalyst - Google Patents

Abstract

The present invention relates to a device for removing harmful substances having a structure for treating harmful substances using a catalyst, and more particularly, to a device for removing harmful substances contained in harmful gas, which comprises: a high temperature and high static pressure air pump supplying hot air generated by a heater to a desorption (regeneration) zone of a rotor; a catalytic device (heater built-in) removing the harmful substances discharged together with hot air supplied to the rotor; and a re-supply line activating the catalytic action in the catalytic device, and thus the hot air discharged from the catalytic device from which the harmful substances are removed is circulated with the circulating fan and is recycled to the desorption (recovery) zone of the rotor to recycle the heat, thereby improving the thermal efficiency.

Description

TECHNICAL FIELD [0001] The present invention relates to a device for removing a harmful substance using a catalyst,

More particularly, the present invention relates to an apparatus for removing a harmful substance (voc) using a catalyst. More particularly, the present invention relates to an apparatus for removing a harmful substance (voc) It is a system that improves the energy saving effect by recycling the heat of the air from which the harmful substances have been removed. In addition, in order to optimize the catalytic reaction activity in the catalyst device for removing harmful substances, a windpipe is installed This is a system that can constantly supply a certain amount of fresh air and maximizes the purification efficiency by discharging the air discharged from the windpipe to the inlet side of the rotor again to purify the harmful substance using the low temperature catalyst (voc) treatment structure.

Generally, harmful substances such as volatile organic compounds (VOCs) and inorganic compounds are generated in a process of spraying, coating, and adhering a coating material on a body to be painted in semiconductors, LCDs, films, .

These harmful substances not only cause a worse work environment such as causing diseases to workers, but also cause environmental pollution when they are released into the atmosphere. In recent years, the Ministry of Environment strictly limits the emission of harmful gases, for example, by drastically strengthening the emission standard for air pollutants in the workplace.

Accordingly, there is a desperate need to develop an exhaust gas treatment device for manufacturing semiconductor, LCD, film and other products, for improving the working environment for a workplace equipped with coating facilities, and for removing harmful substances from exhaust gas discharged from painting equipment .

Recently, a technique of concentrating and removing a volatile organic compound (VOC) contained in a harmful gas by a rotor using zeolite has been disclosed, and a method of removing harmful gas adsorbed on a zeolite of a rotor by hot air Detached, and removed.

However, in recent technology for removing toxic substances, there is a problem that excessive heat is generated due to use of enormous heat when a hot air device for supplying heat is driven to remove harmful substances adsorbed on the zeolite of the rotor, There is a problem that harmful substances are left in the gas treated with the rotor because the harmful substances can not be removed by 100%, and the worker worries the health of the user.

The above-mentioned invention means the background art of the technical field to which the present invention belongs, and does not mean the prior art.

The present invention is an invention which newly improves a conventional simple rotor concentrator as a system which can dramatically reduce the operating cost due to excessive energy use of the technology of concentrating and processing with a rotor using a conventional zeolite .

Korean Patent Laid-Open No. 10-2009-0130320 (December 22, 2009) Korean Patent Publication No. 10-2009-0073060 (2009.07.02.) Japanese Unexamined Patent Application Publication No. 2004-041847 (Feb.

SUMMARY OF THE INVENTION The present invention has been made in order to solve the above-described problems of the prior art, and it is an object of the present invention to provide a method for removing a harmful substance of an introduced harmful gas, A device for discharging fresh air into the rotor inlet portion and supplying the fresh air to the catalytic device through the cooling zone and a destructive treatment process through the catalytic device. The hot air having the purified air is continuously circulated by using an air pump (EN) A device for removing harmful substances having a structure for treating harmful substances using a catalyst capable of improving thermal efficiency and maximizing the efficiency of removing harmful substances from harmful gases by recycling them as a heat source in a rotor (during regeneration) .

The present invention relates to an apparatus for removing toxic substances contained in noxious gases, wherein the housing body is provided with an inlet through which noxious gas and air are introduced and an outlet through which clean gas from which harmful substances from noxious gas are removed is discharged, A low temperature catalytic device installed inside or outside the housing main body, a heater installed at the front end of the catalytic device, and a heater, which receives the air and blows out the hot air generated in the heater, And the control system of the air pump (circulating fan) and the control system thereof, that is, the activation conditions of the catalytic action vary depending on the concentration or the state of the harmful substances. Therefore, a windpipe is installed. According to the technical conditions, the gas discharged from the low-temperature catalytic converter is supplied to the rotor or discharged to the outside Phosphorus.

Further, a circulation line is further provided in the catalytic device so as to be connected to the air pump (circulation fan), so that the harmful substances are removed and the heated gas and the heated air are delivered to the desorption (recovery zone) of the zeolite rotor So that the heat is circulated and supplied.

Further, in order to solve the problem of deactivation of the catalytic device by adjusting the amount of air in the windpipe and the circulation line, a damper for controlling the air volume is installed in the windpipe and the circulation line installed in the catalytic device .

Further, the housing body is further provided with a guide portion for guiding hot air and air to the rotor.

A device for removing harmful substances using a catalyst according to the present invention is a device for removing harmful substances of harmful gas introduced thereinto by a destructive treatment method and then a heat source of the air is supplied to a heat source , It is possible to maximize the energy saving by recycling more than 90%, and by installing the circulation line for recycling, it is possible to improve the heat consumption efficiency of existing equipment and maximize the removal efficiency of harmful substances.

FIG. 1 is a schematic view showing an apparatus for removing harmful substances using a catalyst according to the present invention. FIG.
FIG. 2 is a view showing a rear surface of a rotor in a device for removing harmful substances using a catalyst according to the present invention. FIG.
3 is a view illustrating an operation process of the apparatus for removing harmful substances using the catalyst according to the present invention.
FIG. 4 is a view showing an operation state of FIG. 2 in an apparatus for removing harmful substances using a catalyst according to the present invention.
FIG. 5 is a view showing another operation state of the apparatus for removing harmful substances using a catalyst according to the present invention. FIG.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, preferred embodiments of a device for removing harmful substances using a catalyst according to the present invention will be described with reference to the accompanying drawings. In this process, the thicknesses of the lines and the sizes of the components shown in the drawings may be exaggerated for clarity and convenience of explanation. In addition, the terms described below are defined in consideration of the functions of the present invention, which may vary depending on the intention or custom of the user, the operator. Therefore, definitions of these terms should be made based on the contents throughout this specification.

In addition, the following embodiments are not intended to limit the scope of the present invention, but merely as an example, and various embodiments may be implemented through the present invention.

FIG. 1 is a schematic view showing a device for removing harmful substances using a catalyst according to the present invention. FIG. 2 is a schematic view of a device for removing harmful substances using a catalyst according to the present invention. FIG. 3 is a view illustrating an operation process of the apparatus for removing harmful substances using a catalyst according to the present invention, and FIG. 4 is a view showing the structure of the apparatus for treating harmful substances using a catalyst according to the present invention FIG. 5 is a view showing another operation state of the apparatus for removing harmful substances using a catalyst according to the present invention. FIG.

As shown in the figure, the apparatus 10 for removing harmful substances using a catalyst according to the present invention (hereinafter referred to as a harmful substance removal apparatus for convenience of description) removes harmful substances contained in the incoming harmful gas The apparatus for removing harmful substances 10 includes a housing main body 20, a rotor 30, a regenerative heater 40, and air A pump 50, a catalytic device 60 and a re-supply line 70.

The housing main body 20 has a rectangular housing structure made of a metal material or a synthetic resin material, and an installation space is formed therein. The housing main body 20 is provided with an inlet 21 at one side for introducing noxious gas and air and an outlet 22 at the other side for discharging the clean gas from which noxious substances of the noxious gas have been removed.

It is preferable that the inlet port 21 and the outlet port 22 formed in the housing main body 20 form a sieve net.

The inflow pen is installed in the housing main body 20 for supplying the harmful gas containing the harmful substances to the rotor 30, for the fixed pressure, high temperature.

The rotor 30 is installed inside the housing main body 20 to absorb harmful substances of the introduced noxious gas.

A driving motor is provided in the housing main body 20 to rotate the rotor 30. The rotor 30 is provided with an adsorbent such as zeolite so as to adsorb harmful substances of harmful gas therein, do. The adsorbent may be any one which adsorbs harmful substances such as volatile organic compounds (VOC) contained in harmful gases in addition to zeonite.

Further, since the rotor 30 is generally used to adsorb harmful substances of harmful gas, a detailed description thereof will be omitted.

At this time, the housing main body 20 is provided with a guide portion 23, the guide portion 23 includes a front frame 231 screwed or welded to be disposed on the front surface of the rotor 30, And a rear frame to be screwed or welded so as to be disposed on the rear surface of the rear panel 30. The front frame frame 231 and the rear frame frame 232 are formed with through holes 231a and 232a so that noxious gas can pass therethrough and cooling air holes 231b and 232b are formed so that air passes therethrough, And the heat holes 231c and 232c are formed so as to pass therethrough.

An air supply pipe is further provided in the housing main body 20 and one end of the air supply pipe is connected to one surface of the housing main body 20. An air pump 50 is installed at one end of the air supply pipe And the other end of the air supply pipe is screwed or welded so as to communicate with an air hole formed in the front frame frame 231 to receive air from the air pump 50. [

The air pump 50 is also referred to as a circulating fan, and the air pump 50 is used in the present invention.

The regenerative heater 40 is screwed or welded to the inner surface of the housing body 20 so as to face the heat hole of the rear frame frame 232.

The regenerative heater 40 is preferably formed of heat rays of a coil structure.

The air pump 50 receives the air and ejects the air to the regenerative heater 40 to supply hot air generated from the regenerative heater 40 to the rotor 30.

The air of the air pump 50 is heated while passing through the regenerative heater 40 to form hot air. The hot air is introduced into the air hole of the rear frame so that the harmful substances adsorbed on the rotor 30 are removed The hot air containing the harmful substances is discharged to the catalytic device 60. The catalytic device 60 includes a catalytic converter 60,

At this time, it is preferable that the position of the air pump 50 is installed between the rotor 30 and the catalyst device 60 at all times.

Although not shown in the drawing, it is preferable to provide a heater for compensation and a catalyst cell in the catalyst device 60 to activate stable catalytic action.

At this time, it is preferable that the heat hole formed in the front frame is connected to the catalytic device 60 by a heat engine.

The air hole of the front frame 231 may be connected to the air pump 50 through an air pipe.

The catalytic device 60 is filled with a catalyst material to remove harmful substances included in the hot air transferred from the rotor 30 by a destructive treatment method.

Here, the destruction treatment method is a method in which voc is decomposed into a chemical element existing in nature since the voc is combined with a complex of an organic material. The reaction mechanism of VRS can be seen in the following Table 1 .

That is, it refers to a method of decomposing into carbon dioxide and water as described above.

The re-supply line 70 is made of a normal pipe and discharges a part of the gas discharged from the catalytic device 60 so as to be desorbed for cooling the rotor 30 heated in the air hole 231c Regeneration dampers 71 and 81 for maximizing the activation of the catalytic action in the catalytic converter 60 are installed in the air hole 231b, And is supplied to the rotor (30) through the inlet (21).

That is, the harmful substance contained in the noxious gas that has not been removed from the catalytic device 60 is discharged again into the housing main body 20 and adsorbed to the rotor 30, And is introduced into the catalyst device 60 to remove harmful substances.

At this time, the regeneration damper 71 is further installed in the re-supply line 70 to operate the damper for regulating the air volume, thereby maximizing the catalyst activation of the catalyst device 60.

When the harmful substance is detected in the hot air discharged from the catalytic device 60, the harmful substance detection sensor is further provided in the re-supply line 70, and the valve 71 is controlled by the control unit, The detection sensor transmits the signal to the control unit to open the valve 71 and closes the valve 71 when no harmful substance is detected.

On the other hand, the re-supply line 70 is called a windpipe or pore, and it is assumed that the re-supply line 70 is unified in the present invention.

The catalytic device 60 is further provided with a circulation line 80 having a pipe structure connected to the air pump 50 so that harmful substances are removed and heated gas and heated air are delivered to the air pump 50 So that the heat is circulated and supplied.

That is, one end of the re-supply line 70 is connected to the catalyst device 60 and the other end thereof is connected to the air pump 50 so that fresh air to the catalyst device 60 is supplied to the air pump 50 So that the catalytic action of the catalytic device 60 is enhanced.

The control damper 81 is further provided in the circulation line 80 to control the flow rate of the circulation line 80 so that the control damper 71 and the circulation line 80 A predetermined amount of air is discharged to the re-supply line 70 by using the adjusting damper 81 of the line 80 so that fresh air is uniformly supplied to the cooling air holes 231b and supplied to the air pump 50 .

As described above, the apparatus for removing toxic substances having a structure for treating harmful substances using the catalyst according to the present invention has a structure in which harmful gas containing harmful substances flows into the housing main body 20 and harmful substances are adsorbed by the rotor 30 The hot air supplied to the air hole 231c in the rotor 30 is recycled by the circulation line and the catalytic device 60 is provided so that the harmful substance voc which moves together with the hot air is treated by the destruction treatment method And is smoothly supplied to the air hole 231b provided in the rotor 30 through the re-hole line 70 for maximizing the catalytic action of the catalytic device 60. Thus, by recycling the hot air, .

In the apparatus for removing harmful substances using a catalyst according to the present invention, the harmful substances of the harmful gas introduced are removed by a destructive treatment method, and the gas having a high temperature is removed from the desorption (regeneration) air of the rotor The heat efficiency is improved by recycling the heat using the air pump 50 as the hole 231c and the excessive processing cost due to the heat consumption generated in the related art is not generated.

It will be apparent to those skilled in the art that various modifications and equivalent arrangements may be made therein without departing from the scope of the present invention as defined by the appended claims and their equivalents. . Therefore, it is to be understood that the present invention is not limited to the above-described embodiments. Accordingly, the true scope of the present invention should be determined by the technical idea of the appended claims. It is also to be understood that the invention includes all modifications, equivalents, and alternatives falling within the spirit and scope of the invention as defined by the appended claims.

10: Hazardous substance removal device 20: Housing body
30: rotor 40: regenerative heater
50: air pump 60: catalytic device (catalyst + heater)
70: Re-supply line 80: Circulation line
21: inlet 22: outlet
23: guide portion 231: front frame frame
231a: suction through hole 231b: cooling air hole
231c: Removal (regeneration) air hole
232: Rear frame frame 232a: Suction through hole
232b: Cooling air hole 232c: Removing (regenerating) Opening hole
71: Adjustable damper valve
81: Adjustable damper

Claims (7)

A harmful substance removal device for removing harmful substances contained in harmful gas,
A housing main body provided with an inlet through which the harmful gas and air are introduced and an outlet through which the clean gas from which harmful substances from the harmful gas are removed is discharged,
A rotor installed inside the housing main body to absorb harmful substances of the introduced noxious gas;
A heater installed in the housing main body,
An air pump that receives the air and ejects the air to the heater to supply hot air generated from the heater to the rotor;
A catalytic device for removing harmful substances discharged together with hot air supplied to the rotor,
And a re-supply line for supplying the gas discharged from the catalytic device to the rotor again.
The method according to claim 1,
Wherein the catalyst is further provided with a circulation line connected to the air pump so that the harmful substances are removed and the heated gas and the heated air are delivered to the air pump so that the heat is circulated and supplied. A device for removing harmful substances using a structure for treating harmful substances.
The method according to claim 1,
Wherein a valve is further provided in the circulation line installed in the re-supply line and the catalyst device to open and close the re-supply line and the circulation line.
The method according to claim 1,
Wherein the housing body is further provided with a guide portion for guiding hot air and air to the rotor.
The method according to claim 1,
Wherein the catalytic device is filled with a catalyst material to remove harmful substances contained in the hot air transferred from the rotor by destructive treatment to decompose the harmful substances into carbon dioxide and moisture. Device.
The method according to claim 1,
Wherein the air pump is installed at an intermediate portion between the rotor and the catalyst device.
The method according to claim 1,
Wherein the catalytic device further comprises a heater for compensation and a catalyst cell therein, so that stable catalytic action is activated.

Images