KR101102931B1 - Hybrid filter system - Google Patents

Abstract

Modular rotary low-concentration VOC gas concentrator 100 of the present invention includes a plurality of adsorbent bed 10 (Fig. 3) for storing the adsorbent, and a plurality of the adsorbent bed (10) around the rotary shaft 22 to be modularized Cylindrical rotary reactor 20, the fixed body 30 is inserted into the rotary shaft 22 and attached to both ends of the rotary reactor 20, and the rotary reactor 20 and the fixed body 30 The sealing unit (FIG. 5) which seals between and the drive means for rotating the rotary reactor 20 at a predetermined angle to exchange the position of each bed 10 at regular intervals, the rotary reactor and the fixed body Even if the heat-resistant magnet rubber, which has been precisely processed and rotated between them, is prevented from leaking to the rotating body by being coupled to each other by a magnetic force at a desired position, and a timer and air for setting the rotation interval can be set. Through the supplied solenoid valve By operating the pneumatic cylinder and pushing the gear member for a certain time and length, the rotating body is rotated at the correct rotation angle, so that the fixing body and the rotating body are aligned at the correct position, the sealing is coupled by magnetic force by heat-resistant magnet rubber. It is possible to use the modular adsorbent bed, which is easy to install and dismantle, so that it is easy to replace the adsorbent, which has the advantage of high compatibility and convenient maintenance and repair.

Adsorbent Bed, Modular, Rotary Reactor, Heat Resistant Magnetic Rubber, Fixture

Description

Modular Rotary Low Concentration VOC Gas Concentrator {HYBRID FILTER SYSTEM}

The present invention relates to a modular rotary low concentration VOC gas concentrator, and more particularly, in the treatment of volatile organic compound gas generated in an industrial site, a process of desorbing a low concentration of VOC gas using an adsorbent and concentrating it at a high concentration. The present invention relates to a modular rotary low concentration VOC gas concentrator that can be treated with a device.

As is well known, Volatile Organic Compound (VOC) is a general term for hydrocarbon compounds having a vapor pressure of 10 ^-2 kPa or more, and various industrial processes, laundry, printing shops, coating facilities and gas stations are the main sources of emissions. In addition, it is not only harmful to the human body but also causes various problems such as air pollution, water pollution, and odor environmental hormones as a causative agent of urban smog.

Therefore, the VOC material is removed by applying various methods. Accordingly, there is an urgent need for the development of a system that can increase the efficiency of removing VOCs in accordance with environmental regulations.

As a representative example, FIG. 1 shows a configuration of a VOC treatment apparatus using a honeycomb adsorption catalyst element having both adsorption and catalytic oxidation of volatile organic compounds. As shown in FIG. 1, the honeycomb adsorption catalyst element 1 and the honeycomb adsorption catalyst element 1, which adsorb the VOC adsorbent and the catalyst and carry the VOC adsorption and catalytic combustion at the same time, are adsorbed and heated. Separation equipment (5) for separating regeneration, catalytic combustion, and cooling zone, rotary motor (2) for rotating the honeycomb adsorption catalyst element (1) at a constant speed, and supplying exhaust air to the adsorption zone of the honeycomb adsorption catalyst element. And a condensate supply blower (3) and a concentrated air blower (4) for supplying the degassed concentrated VOC to the catalytic combustion zone and for supplying a heat source obtained by combustion in the catalytic combustion zone to the regeneration zone. By using a single honeycomb adsorption catalyst element having a catalytic oxidation function at the same time, a separate catalytic combustion device is not required, thus miniaturizing the device, stable and economical operation, and reducing the equipment cost. Air has the advantage of removing VOC in a very compact configuration.

However, if adsorption, desorption and cooling are applied as a rotary device in this manner, the sealing of the rotary part due to rotation is insufficient, resulting in inflow of external air and outflow of internal air. When the whole is rotated using a motor, the respective adsorption, desorption and cooling exchanges are not precisely performed, and the fluid of each region is mixed, thereby reducing the efficiency of the apparatus.

As another example, Korean Patent Registration No. 10-0578106 entitled "Adsorption / catalyzed VOC Removal System for Low Concentration VOC Treatment" has an independent adsorbent layer and an oxidation catalyst layer to allow VOCs to be discharged at low concentration in the adsorbent layer. Independent adsorption / catalyst ring VOC removal system that concentrates and decomposes the temperature by gradually desorption from the oxidation catalyst layer, and the adsorption and catalytic oxidation occurs periodically in one adsorption / catalyst layer in which a catalytic function is introduced into the hydrophobic zeolite adsorbent. Although an integrated dual function adsorption / catalyzed VOC removal system has been disclosed, such a removal system using an adsorbent is not compatible with other adsorbents and is not easy to replace.

Accordingly, it is an object of the present invention to provide a modular rotary low concentration VOC gas concentrator that is easy to process at a later stage by being concentrated and discharged using an adsorbent in a process in which low concentration of VOC gas is discharged.

Another object of the present invention is to provide a modular rotary low-concentration VOC gas concentrator that can process a process of desorbing and concentrating a low concentration of VOC gas adsorbed by heated air into a single device.

Modular rotary low concentration VOC gas concentrator of the present invention for achieving the above object is an adsorbent bed for storing the adsorbent, a cylindrical rotary reactor for modularizing the plurality of the adsorbent bed around the rotating shaft, and on the rotating shaft A fixed body inserted into and attached to both ends of the rotary reactor, a sealing unit sealing between the rotary reactor and the fixed bodies, and rotating the rotary reactor at a predetermined angle to exchange positions of the respective beds at regular intervals. It includes a drive means for.

Modular adsorbent beds each consist of 45 °, 270 ° adsorption zone for adsorbing low concentrations of VOC gas, and 45 ° desorption for desorbing the adsorbed materials and lowering the temperature of each heated bed. And a cooling zone.

One side is installed in the rotary reactor so as to seal the sealing portion to be engaged with each other, the other side is positioned to correspond between the modular adsorbent bed, the pair of protrusions installed in the fixed body, any one protrusion is configured to have an inclined surface, the protrusion It is preferable that these are heat resistant magnetic rubbers.

In the present invention, the drive means has a plurality of teeth formed on the circumferential surface, the gear member attached to the rotating shaft in which any one of the fixed body is inserted, the pneumatic cylinder for rotating the gear member, and to operate the pneumatic cylinder An air compressor and a timer for periodically operating the air compressor are included.

According to the present invention, even though the heat-resistant magnet rubber, which is precisely processed and fixed between the rotary reactor and the fixed body, is rotated by magnetic force with each other at a desired position, there is no leakage phenomenon. It has the effect of preventing the leakage of the whole.

In addition, the present invention by operating the pneumatic cylinder through a timer and a solenoid valve for supplying air to set the rotation interval by pushing the gear member in a certain time and length while rotating the rotating body at the exact angle of rotation and the fixed body and the rotating body Is fitted at the correct position, it becomes possible to seal by magnetic force by heat-resistant magnet rubber, and it is easy to replace the adsorbent by using the modular adsorbent bed which is easy to install and dismantle, so it is effective to cope with various low concentration gas. By applying this good adsorbent, it can be operated as an adsorbent suitable for various processes, which has the advantage of high compatibility and convenient maintenance and repair.

Hereinafter, with reference to the accompanying drawings will be described in detail the operation of an embodiment according to the present invention.

Figure 2 shows the configuration of the modular rotary low concentration VOC gas concentrator of the present invention, Figure 3 shows the modular adsorbent bed of Figure 2, Figure 4 shows a rotating method using a pneumatic cylinder, Figure 5 shows a rotary reactor and The sealing structure of a fixed body is shown in detail.

As shown in FIG. 2, the modular rotary low concentration VOC gas concentrator 100 according to the present invention includes an adsorbent bed 10 (FIG. 3) for storing an adsorbent, and an adsorbent bed around the rotating shaft 22. Cylindrical rotary reactor (20) to modularize and embed a plurality of 10), the fixed body 30 is inserted into the rotary shaft 22 and attached to both ends of the rotary reactor 20, and the rotary reactor 20 And the sealing unit 60 (FIG. 5) sealing between the fixing bodies 30 and rotating the rotary reactor 20 at a predetermined angle so as to exchange positions of the respective beds 10 at regular intervals. It includes a drive means for.

The adsorbent beds 10 modularized in the rotary reactor 20 may be composed of eight and 45 ° respectively, and as shown in the fixture 30 on one side in FIG. Adsorption zones 12 for adsorbing ions, desorbing zones 14 for desorbing the adsorbed material at 45 degrees, and cooling zones 16 for lowering the temperature of each heated bed 10; Can be done.

In the present invention, as the driving means for rotating the rotary reactor 20, the gear member 42 is attached to one end of the rotating shaft 22 is fixed to the fixed body 30. As shown in FIG. 4, the gear member 42 may have a plurality of teeth 41 formed on the circumferential surface thereof, and eight of the gear members 42 may be formed at 45 degrees. This gear member 42 is rotated by the operation of the pneumatic cylinder 44, this pneumatic cylinder 44 is operated by an air compressor (46). The air compressor 46 may be operated periodically by the timer 50. When the pneumatic cylinder 44 pushes one of the teeth 41 of the gear member 42, the rotating shaft 22 rotates, and as a result, the position of each adsorbent bed 10 embedded in the rotary reactor 20 Is exchanged, and this position exchange can be performed by the timer 50 at regular intervals.

FIG. 5 shows a sealing unit 60 for sealing between the rotary reactor 20 and the stationary bodies 30. The sealing part 60 is positioned to correspond between each of the adsorbent beds 10 modularized as a pair of protrusions 62 and 64 made of heat-resistant magnetic rubber, and as engaged with each other by magnetic force, the rotary reactor 20 and The fixture 30 is sealed. The protrusion 62 attached to the rotary reactor 20 is configured to have an inclined surface 61, and the protrusion 64 attached to the fixed body 30 is configured to have a rectangular parallelepiped shape. When the positions of the respective adsorbent beds 10 in the rotary reactor 20 are exchanged by the operation of the pneumatic cylinder 44, when the pneumatic cylinder 44 pushes the gear member 42, the rotary shaft 22 rotates. Accordingly, the stationary side projection 64 sequentially passes through the inclined surface 61 of the rotor side projection 62 as shown in FIGS. 5A, 5B, and 5C, and touches the projection 62 positioned next time. And, since it is precisely positioned between the adsorbent bed 10, and then coupled by a magnetic force, there is no leakage even if the rotary reactor 20 is rotated.

Referring to the operation of the modular rotary low concentration VOC gas concentrator of the present invention configured as described above are as follows.

In the modular rotary low concentration VOC gas concentrator 100 of the present invention, six adsorption zones 12 are formed while eight rotary beds 10 are modularly rotated in a cylindrical rotary reactor 10 stepwise by a timer 50. Adsorption is performed at, and desorption is performed at one desorption zone 14, and cooling is performed at one cooling zone 16. When CO or polluted gas discharged at a low concentration flows into the adsorption zone 12 in the rotary reactor 20 as shown by the dotted line in FIG. 2 by the operation of the adsorption blower 32, the adsorbent of the adsorption zone 12 While passing through the beds 10, the VOC is adsorbed to the adsorbent bed 10, and the clean gas to which the VOC is adsorbed is discharged through the pipe at the rear end of the adsorption region, as shown by the solid line.

On the other hand, the adsorbent bed 10 of the adsorption zone 12 adsorbed for a certain time is rotated by one bed to desorb and discharge the adsorbed gas together with the heated air. The desorption gas discharged together with the air by the operation of the desorption blower 34 is concentrated much higher than the concentration of the inlet gas, so that it can be utilized as a fuel source or to facilitate the processing thereof. This desorption process is achieved by rotating the rotary reactor 20 by one bed through the operation of the timer 50. That is, after the time for adsorbing the VOC to one adsorbent bed 10 by the timer 50 has elapsed, the air compressor 46 is operated, whereby the pneumatic cylinder 44 is operated so that the gear member 42 is operated. When pushing the teeth 41 of, the adsorbent bed 10 of the adsorption zone 12 is rotated to the desorption zone 14, the adsorption with the air heated by the operation of the desorption blower 34 Degassed gas.

As described above, one bed 10 in which the desorption process is performed for a predetermined time is rotated back to the cooling zone 16 to operate the bed 10 through air at room temperature through the heat exchanger 38 through the operation of the cold air blower 36. It will lower the temperature inside. The adsorbent in the cooled bed 10 can be regenerated and adsorption can be made in the adsorption zone 12 again, and the adsorption, desorption and cooling processes are continuously operated.

In the present invention, a pair of protrusions 62 and 64 made of heat-resistant magnet rubber are coupled to the sealing portion 60 between the rotary reactor 20 and the fixed body 30 at both ends thereof, and the adsorbent bed ( 10, the rotary reactor 20 rotates for exchange to the adsorption-desorption cooling zones 12, 14 and 16, so that the inflow of outside air and the outflow of internal air It does not occur.

What has been described above is just one preferred embodiment of the modular rotary low concentration VOC gas concentrator according to the present invention, and the present invention is not limited to the above-described embodiment, as claimed in the following claims. Without departing from the gist of the invention, anyone of ordinary skill in the art to which the present invention will have the technical spirit of the present invention to the extent that various modifications can be made.

1 is a conceptual diagram showing a desorption-type gas treatment apparatus according to the prior art,

Figure 2 is an exploded perspective view showing the configuration of the modular rotary low concentration VOC gas concentrator of the present invention,

3 is a detailed view showing the modular adsorbent bed of FIG.

4 is a schematic view showing a method of rotating a rotary reactor using a pneumatic cylinder,

5 is a detailed view showing a configuration for sealing the rotary reactor and the fixed body.

<Explanation of symbols for major symbols in the drawings>

10: adsorbent bed 12: adsorption zone

14: removal zone 16: cooling zone

20: rotary reactor 22: rotating shaft

30: fixed body 32: adsorption blower

34: removable blower 36: cooling blower

38: heat exchanger 41: tooth part

42: gear member 44: discharge line

46: air compressor 50: timer

61: slope 62,64: projection

Claims (5)

Modular rotary low concentration VOC gas concentrator An adsorbent bed for storing the adsorbent, A cylindrical rotary reactor having a plurality of the adsorbent beds modularized and built around a rotating shaft; A fixed body inserted into the rotary shaft and attached to both ends of the rotary reactor, A sealing part for sealing between the rotary reactor and the fixtures; It includes a drive means for rotating the rotary reactor at a predetermined angle to exchange the position of each bed at regular intervals, One side is installed in the rotary reactor so that the sealing portion is engaged with each other, and the other side is positioned so as to correspond to the module of the adsorbent bed. Which one of the protrusions to have a slope Modular rotary low concentration VOC gas concentrator. The method of claim 1, The modular adsorbent beds each consist of 45 °, a 270 ° adsorption zone for adsorbing low concentrations of VOC gas, and a 45 ° degree for desorbing the adsorbed material and lowering the temperature of each heated bed. Desorption zone and cooling zone Modular rotary low concentration VOC gas concentrator. delete The method of claim 1, The protrusions are characterized in that the heat-resistant magnetic rubber Modular rotary low concentration VOC gas concentrator. The method of claim 1, The driving means A gear member is formed on the circumferential surface of the gear member, and the gear member is attached to the rotating shaft into which the fixed body is inserted. A pneumatic cylinder for rotating the gear member; An air compressor for operating the pneumatic cylinder, A timer for periodically operating the air compressor; Modular rotary low concentration VOC gas concentrator.

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