CN216062625U - Activated carbon adsorption device suitable for large air volume and low floor area - Google Patents
Activated carbon adsorption device suitable for large air volume and low floor area Download PDFInfo
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- CN216062625U CN216062625U CN202121195584.4U CN202121195584U CN216062625U CN 216062625 U CN216062625 U CN 216062625U CN 202121195584 U CN202121195584 U CN 202121195584U CN 216062625 U CN216062625 U CN 216062625U
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Abstract
The invention discloses an active carbon adsorption device suitable for large air volume and low floor area.A device tank body is of an internal and external double-cylinder structure and comprises an outer cylinder and an inner cylinder, wherein the outer cylinder is respectively provided with an air inlet and an air outlet; the side surface of the inner cylinder is surrounded by double-layer grid nets, and the space between the double-layer grid nets is filled with adsorption medium active carbon; the top of the inner cylinder is completely blocked, and an air inlet is reserved at the bottom of the inner cylinder and is connected and communicated with the air inlet of the outer cylinder, so that the gas is discharged after being treated by an adsorption bed on the side surface of the inner cylinder after entering the inner cylinder. The invention is beneficial to the application of the activated carbon adsorption equipment under the requirement of large-air-volume VOCs waste gas treatment, reduces the occupied area and space occupation, is beneficial to optimizing the overall arrangement of the system, greatly reduces the size of the common equipment under the same condition and reduces the equipment cost.
Description
Technical Field
The invention belongs to the technical field of industrial waste gas treatment, and particularly relates to an activated carbon adsorption device suitable for large air volume and low floor area.
Background
The active carbon (granular carbon, honeycomb carbon and the like) is used as an adsorbent to effectively remove organic matters in the waste gas, the active carbon has long adsorption saturation period, and a matched desorption system can ensure the reuse of the active carbon and is generally suitable for the treatment of the waste gas with medium and low concentration. According to the traditional activated carbon adsorption device, adsorption air flow enters from top to bottom on a line, an activated carbon bed layer is arranged on the windward side, and the adsorption sectional area in unit occupied area is small. Under great amount of wind operating mode, in order to guarantee sufficient gas velocity of flow, need increase the windward side and adsorb the sectional area, traditional operation mode is the box size of increase activated carbon adsorption box, increases substantially area and input cost simultaneously. In the limited region in installation place, often can't arrange and then reform transform original place because of the too big of active carbon equipment size.
Disclosure of Invention
The invention aims to provide an activated carbon adsorption device which is suitable for large air volume and low floor area.
The technical solution for realizing the purpose of the invention is as follows: an active carbon adsorption device suitable for large air volume and low floor area is characterized in that a tank body of the device is of an inner-outer double-cylinder structure and comprises an outer cylinder and an inner cylinder, wherein the outer cylinder is respectively provided with an air inlet and an air outlet, the air inlet is arranged on the side surface of the middle lower part of the outer cylinder, and the air outlet is arranged at the top of the outer cylinder; the side surface of the inner cylinder is surrounded by double-layer grid nets, and the space between the double-layer grid nets is filled with adsorption medium active carbon; the top of the inner cylinder is completely blocked, and an air inlet is reserved at the bottom of the inner cylinder and is connected and communicated with an air inlet of the outer cylinder, so that the gas is discharged after being treated by an adsorption bed on the side surface of the inner cylinder after entering the inner cylinder.
Further, a desorption gas inlet and a desorption gas outlet are formed in the outer cylinder of the adsorption device, and a formed desorption gas circulation path is opposite to the adsorption gas.
Furthermore, a drain hole is arranged at the lowest point of the outer cylinder of the adsorption device, and if the desorption gas is water vapor, the condensate for discharging the water vapor is periodically opened.
Further, the inner cylinder structure is changed according to the form of the activated carbon, if the adsorption medium activated carbon adopts granular activated carbon, the inner cylinder adopts a cylindrical structure, and if the adsorption medium activated carbon is honeycomb activated carbon, the inner cylinder adopts a square structure.
Furthermore, the top of the outer cylinder is provided with 1 charging hole, and the charging hole is connected with the top of the inner cylinder, so that adsorption media active carbon can be conveniently charged; the side of outer cylinder bottom sets up 2 discharge openings, and the discharge opening is connected with the inner tube, conveniently changes and adsorbs the medium active carbon.
Furthermore, a blocking structure is arranged at the connection part of the charging opening, the discharging opening and the inner cylinder, the blocking structure is opened to block the charging or discharging when the materials are loaded and unloaded, and the blocking structure is opened to block the communication between the inner cylinder and the charging opening and the discharging opening during the non-loading and unloading periods.
Furthermore, a vibrating device is additionally arranged at the discharge port and used for cleaning residual adsorption media activated carbon and regulating the adsorption media activated carbon in the charging process.
Furthermore, an access hole or an access door is arranged on the outer cylinder.
Compared with the prior art, the invention has the advantages that: 1) the active carbon adsorption box is of an inner-outer double-cylinder structure, and the annular adsorption bed is introduced, so that the adsorption sectional area in unit occupied area is increased, the occupied area is favorably reduced, and the system arrangement is optimized; 2) the active carbon adsorption box is of an inner-outer double-cylinder structure, so that the space utilization rate of the active carbon adsorption box body is increased, the size and the material of equipment under the same working conditions are greatly reduced, and the equipment investment cost is reduced.
Drawings
FIG. 1 is a front view of the structure of an activated carbon adsorption unit of the present invention.
FIG. 2 is a sectional top view of an activated carbon adsorption unit of the present invention.
In the figure: the device comprises an outer cylinder 1, an outer cylinder 2, an outer cylinder 3, an outer cylinder gas outlet 3, an inner cylinder 4, an adsorption medium active carbon 5, an inner cylinder 6, a charging opening 7, a discharging opening 8, a desorption gas inlet 9, a desorption gas outlet 10 and a discharge and sprinkling opening 11.
Detailed Description
The invention will be further explained with reference to the drawings and the specific examples.
As shown in fig. 1-2, an activated carbon adsorption device suitable for large air volume and low floor space comprises an inner-outer double-layer structure, including an outer cylinder 1 and an inner cylinder 4, wherein the outer cylinder 1 is provided with an air inlet 2 and an air outlet 3, respectively, the air inlet 2 is arranged on the side surface of the middle lower part, and the air outlet 3 is arranged on the top of a tank body; an inner cylinder 4 is arranged in the adsorption device, the side surface of the inner cylinder 4 is surrounded by double-layer grid nets, and adsorption medium active carbon 5 is filled in the space between the double-layer grid nets; the top of the inner cylinder 4 is completely sealed, and an air inlet 6 is reserved at the bottom and is connected and communicated with the air inlet 2 of the outer cylinder; the top of the outer cylinder is provided with 1 charging hole 7, and the charging hole 7 is required to be connected with the top of the inner cylinder 4, so that the adsorption media active carbon 5 can be conveniently filled; 2 discharge openings 8 are formed in the side face of the bottom of the outer cylinder 1, and the discharge openings 8 are required to be connected with the inner cylinder 4, so that the adsorption of the media active carbon is convenient to replace; in order to meet the desorption requirements of some processes, a desorption gas inlet 9 and a desorption gas outlet 10 can be additionally arranged on the outer cylinder 1 of the adsorption device, and the flow path of the desorption gas is opposite to that of the adsorption gas; the lowest point of the outer cylinder 1 of the adsorption device is provided with a drain and shower opening 11.
In the invention, the top of the inner cylinder 4 and the top of the inner cavity of the inner cylinder are required to be completely sealed, and the bottom of the inner cylinder 4 is required to be completely sealed except the air inlet 6, so that the gas is ensured to be discharged after being treated by the adsorption bed layer on the side surface of the inner cylinder after entering the inner cylinder. An air inlet 6 at the bottom of the inner cylinder 4 is uniquely connected with an air inlet 2 on the outer cylinder 1, so that the air can only enter the inner cylinder after entering from the air inlet 2 of the outer cylinder and must be treated by an adsorption bed layer; and the only path of gas flow is the outer cylinder gas inlet 2, the inner cylinder gas inlet 6, the adsorption media active carbon 5 and the outer cylinder gas outlet 3.
The specific process flow is as follows: when the working condition is adsorbed, the waste gas enters the inner cylinder from the air inlet 2 of the outer cylinder and then passes through the annular adsorption bed, the adsorption medium active carbon 5 such as active carbon filled in the annular adsorption bed fully adsorbs VOCs components in the waste gas, and purified gas after the VOCs components are removed through adsorption is upwards diffused and discharged to a subsequent chimney or equipment through the air outlet 3 of the outer cylinder; in the desorption working condition, after high-temperature desorption gas nitrogen or water vapor enters from a desorption gas inlet 9, the high-temperature desorption gas nitrogen or water vapor passes through the annular adsorption bed to take out organic matter components adsorbed on the adsorption medium active carbon 5, so that the adsorption capacity and adsorption capacity of the adsorption medium active carbon 5 are recovered, and then the high-temperature desorption gas nitrogen or water vapor is discharged to subsequent high-concentration centralized treatment equipment such as condensation, catalysis, incineration and the like through a desorption gas outlet 10; when the adsorption media active carbon is replaced, firstly, the discharge opening 8 and the separation between the discharge opening and the adsorption bed 4 are opened, the old adsorption media active carbon 5 is discharged under the action of gravity, after the adsorption media active carbon is cleaned, the discharge opening 8 and the separation between the discharge opening and the adsorption bed 4 are closed, the charging opening 7 and the separation between the charging opening and the adsorption bed 4 are opened, and new adsorption media active carbon 5 is poured.
As a specific embodiment, the structure of the outer cylinder 1 and the inner cylinder 4 of the device is not limited, on one hand, the structure is changed according to the form of the adsorption medium active carbon 5, if the granular carbon is used as the adsorption medium active carbon, a cylindrical structure is recommended to avoid filling dead corners, and if the honeycomb carbon is used as the adsorption medium active carbon, a cuboid structure is recommended to cater for the conventional structure of the honeycomb carbon; on the other hand, the inner and outer cylinder type structures are selected according to the actual arrangement or appearance requirements.
As a specific embodiment, the discharge opening 8 is not fixed, a vibration device can be added to facilitate the more thorough cleaning of the residual adsorption media activated carbon 5, and the vibration device is beneficial to the regulation of the adsorption media activated carbon 5 in the charging process. A blocking structure can be additionally arranged at the connecting positions of the charging opening (7), the discharging opening 8 and the inner cylinder 4, the blocking structure is opened to block charging or discharging when materials are loaded and unloaded, and the connecting positions of the inner cylinder 4, the charging opening 7 and the discharging opening 8 are blocked during non-loading and unloading. The charging opening 7 and the discharging opening 8 may be modified to be an access opening or an access door if required.
In a specific embodiment, the arrangement of the drain 11 determines whether to retain the desorbed gas according to the nature of the desorbed gas, if the desorbed gas is water vapor, the drain 11 needs to be retained, and the condensate discharging the water vapor is periodically opened; if the desorption gas is nitrogen, the drain 11 is not needed.
As a specific implementation mode, according to the actual design requirement, the air inlet 2 and the air outlet 3 of the outer cylinder of the device can be mutually adjusted and rotated, and the functions of the device are not affected; the desorption gas inlet 9 and the desorption gas outlet 10 of the device can also be mutually adjusted and rotated, and the functions of the device are not affected.
In conclusion, the invention adopts an annular structure with the inner and outer cylinders, is favorable for the application of the activated carbon adsorption equipment under the requirement of VOCs waste gas treatment with large air volume, reduces the occupied area and the occupied space, is favorable for optimizing the overall arrangement of a system, greatly reduces the size of common equipment under the same condition and reduces the equipment cost.
It should be understood that the above-described specific embodiments are merely illustrative of the present invention and are not intended to limit the present invention. Obvious variations or modifications which are within the spirit of the invention are possible within the scope of the invention.
Claims (8)
1. The activated carbon adsorption device suitable for large air volume and low floor area is characterized in that a tank body of the device is of an inner-outer double-cylinder structure and comprises an outer cylinder (1) and an inner cylinder (4), wherein the outer cylinder (1) is respectively provided with an air inlet (2) and an air outlet (3), the air inlet (2) is arranged on the side surface of the middle lower part of the outer cylinder (1), and the air outlet (3) is arranged at the top of the outer cylinder (1); the side surface of the inner cylinder (4) is surrounded by double-layer grid nets, and the space between the double-layer grid nets is filled with adsorption medium active carbon (5); the top of the inner cylinder (4) is completely blocked, and an air inlet (6) is reserved at the bottom and is connected and communicated with the air inlet (2) of the outer cylinder, so that the gas is discharged after being treated by the adsorption bed on the side surface of the inner cylinder after entering the inner cylinder.
2. The activated carbon adsorption device suitable for large air volume and low floor space according to claim 1, wherein a desorption gas inlet (9) and a desorption gas outlet (10) are provided in the outer cylinder (1) of the adsorption device, and a desorption gas flow path is formed opposite to the adsorption gas.
3. The activated carbon adsorption device suitable for large air volume and low floor area according to claim 1, characterized in that a drain port (11) is provided at the lowest point of the outer cylinder (1) of the adsorption device, and if the desorption gas is steam, the condensate discharging the steam is periodically opened.
4. The activated carbon adsorption device according to claim 1, characterized in that the structure of the inner cylinder (4) is changed according to the activated carbon form, if the adsorption media activated carbon (5) is granular activated carbon, the inner cylinder is in a cylindrical structure, and if the adsorption media activated carbon is honeycomb activated carbon, the inner cylinder is in a square structure.
5. The activated carbon adsorption device of claim 1, characterized in that the top of the outer cylinder is provided with 1 charging hole (7), and the charging hole (7) is connected with the top of the inner cylinder (4) to facilitate the charging of adsorption media activated carbon (5); the lateral surface of the bottom of the outer cylinder (1) is provided with 2 discharge openings (8), and the discharge openings (8) are connected with the inner cylinder (4), so that the adsorption medium is convenient to replace.
6. The activated carbon adsorption device according to claim 5, wherein a blocking structure is provided at the junction of the charging port (7), the discharging port (8) and the inner cylinder (4), and is opened to block charging or discharging when charging or discharging the material, and to block the communication of the inner cylinder (4) with the charging port (7) and the discharging port (8) during non-charging or non-discharging.
7. The activated carbon adsorption device according to claim 5, characterized in that a vibrating device is added at the discharge opening (8) for cleaning residual adsorption media activated carbon (5) and regulating the adsorption media activated carbon (5) in the charging process.
8. The activated carbon adsorption device according to claim 1, wherein an access opening or an access door is provided on the outer cylinder (1).
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| CN202121195584.4U CN216062625U (en) | 2021-05-31 | 2021-05-31 | Activated carbon adsorption device suitable for large air volume and low floor area |
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| CN202121195584.4U CN216062625U (en) | 2021-05-31 | 2021-05-31 | Activated carbon adsorption device suitable for large air volume and low floor area |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113230821A (en) * | 2021-05-31 | 2021-08-10 | 扬州海通电子科技有限公司 | Activated carbon adsorption device suitable for large air volume and low floor area |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113230821A (en) * | 2021-05-31 | 2021-08-10 | 扬州海通电子科技有限公司 | Activated carbon adsorption device suitable for large air volume and low floor area |
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