Low-temperature activated carbon regeneration device

By combining a horizontal tank, a blower, a heating element, and a photocatalytic regeneration system, the regeneration of low-temperature activated carbon was achieved, solving the problems of frequent activated carbon replacement and high energy consumption, and reducing operating costs and energy consumption.

CN223602274UActive Publication Date: 2025-11-28DONGGUAN MICRO GREEN SCI & TECH CO LTD
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Patent Information

Application Number
CN202423136458.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-18
Publication Date
2025-11-28
Estimated Expiration
2034-12-18

AI Technical Summary

Technical Problem

Existing activated carbon adsorption methods for treating organic waste gas require frequent replacement of activated carbon, resulting in high operating costs. Furthermore, the desorption process is energy-intensive, and the resulting organic wastewater is not conducive to purification.

Method used

The system employs a horizontal tank, a fan, a heating element, and a photocatalytic regeneration system, which are connected sequentially via a delivery pipe. The heating element heats the activated carbon to release organic waste gas, which is then degraded by the photocatalytic regeneration system, thus achieving low-temperature activated carbon regeneration.

Benefits of technology

This avoids the need for frequent replacement of activated carbon, reduces material costs, and improves energy efficiency and reduces energy consumption through the thermal insulation coating.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of activated carbon regeneration, in particular to a low-temperature activated carbon regeneration device which comprises a horizontal tank body, a fan, a heating component and a photocatalytic regeneration system which are sequentially communicated end to end by virtue of a conveying pipe, openings used for treating organic waste gas in a normal circulation mode are formed in the two ends of the horizontal tank body correspondingly, first valves are arranged on the openings in the two ends of the horizontal tank body correspondingly, and when the low-temperature activated carbon regeneration device needs to regenerate activated carbon, the two first valves are closed; the low-temperature activated carbon regeneration device forms internal circulation under the action of the fan to purify organic waste gas, the heating assembly heats to promote activated carbon to separate out the organic waste gas, and the photocatalytic regeneration system performs photocatalytic degradation on the organic waste gas, so that low-temperature activated carbon regeneration is realized, frequent replacement of the activated carbon is avoided, and the material cost is reduced. In addition, the outer wall of the conveying pipe is coated with the heat preservation and heat insulation coating, energy can be fully utilized, and energy consumption is reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to activated carbon regeneration technical field, concretely relates to a low temperature activated carbon regeneration device. BACKGROUND

[0002] Organic waste gas treatment refers to the treatment work of adsorbing, filtering and purifying the organic waste gas generated in the industrial production process. Common organic waste gas treatment includes formaldehyde organic waste gas treatment, benzene series organic waste gas treatment such as benzene, toluene, xylene, acetone butanone organic waste gas treatment, ethyl acetate waste gas treatment, oil mist organic waste gas treatment, furfural organic waste gas treatment, styrene, acrylic acid organic waste gas treatment, resin organic waste gas treatment, additive organic waste gas treatment, paint mist organic waste gas treatment, and Tianna water organic waste gas treatment and other air purification treatment methods containing carbon, hydrogen, oxygen and other organic matters.

[0003] The commonly used method for organic waste gas treatment is organic waste gas activated carbon adsorption treatment, catalytic combustion, catalytic oxidation, acid-base neutralization, plasma and other principles. The commonly used organic waste gas activated carbon adsorption treatment method can reach more than 95% purification rate through activated carbon adsorption of organic waste gas, and the equipment is simple and the investment is small, but the activated carbon needs to be replaced frequently, which increases the work procedures such as loading, unloading, transportation and replacement, resulting in increased operation cost. If the desorption regeneration is carried out by using superheated steam back flushing after approaching saturation, it is required to provide necessary steam quantity, which consumes a lot of energy, and the organic sewage generated by desorption is not conducive to purification. SUMMARY

[0004] In order to overcome the shortcomings and deficiencies in the prior art, the purpose of the utility model is to provide a low temperature activated carbon regeneration device.

[0005] The utility model discloses a low temperature activated carbon regeneration device, including horizontal tank body, fan, heating assembly and photocatalytic regeneration system, the one end lateral wall of horizontal tank body, fan, heating assembly, photocatalytic regeneration system and the other end lateral wall of horizontal tank body are communicated in proper order through the conveying pipe, the both ends of horizontal tank body are all set up the opening for the normal flow processing organic waste gas, the opening of both ends of horizontal tank body all is provided with first valve, the outer wall of conveying pipe is coated with heat preservation and heat insulation coating, the horizontal tank body is used for containing activated carbon, and the photocatalytic regeneration system is used for photocatalytic degradation organic waste gas.

[0006] Preferably, the conveying pipe between the horizontal tank body and the fan, and the conveying pipe between the photocatalytic regeneration system and the horizontal tank body are both provided with a second valve.

[0007] Preferably, the horizontal tank body is hinged with a tank cover for taking and placing activated carbon, and the outer periphery of the tank cover is attached with a sealing ring for sealing cooperation with the horizontal tank body.

[0008] Preferably, the heating assembly comprises a first box, a first sealing cover detachably arranged on the top of the first box, and an electric heating tube arranged in the first box, and the first box is provided with first through holes at both ends thereof for communicating with the conveying pipe.

[0009] Preferably, the photocatalytic regeneration system comprises a second box, a second sealing cover detachably arranged on the top of the second box, a plurality of photocatalytic plates arranged in the second box at intervals, and a photocatalytic light source arranged in the second box and between two adjacent photocatalytic plates, and the second box is provided with second through holes at both ends thereof for communicating with the conveying pipe, and the photocatalytic light source and the photocatalytic plates cooperate to photocatalytically degrade the organic waste gas.

[0010] Preferably, the heat insulation coating is a composite silicate heat insulation coating.

[0011] The low-temperature activated carbon regeneration device has the advantages that the low-temperature activated carbon regeneration device is connected in sequence from the head to the tail by means of the conveying pipe, and the two ends of the horizontal tank body are both provided with openings for normal circulation and treatment of the organic waste gas, and the two openings are both provided with first valves, so that when the low-temperature activated carbon regeneration device is needed to normally treat the organic waste gas, the two first valves are opened, the organic waste gas enters the horizontal tank body from one end of the horizontal tank body, the activated carbon arranged in the horizontal tank body is used to adsorb the organic waste gas, and then the purified air is discharged from the other end of the horizontal tank body; when the low-temperature activated carbon regeneration device is needed to regenerate the activated carbon, the two first valves are closed, so that the low-temperature activated carbon regeneration device forms an internal circulation under the action of the fan to purify and treat the organic waste gas, the heating assembly is used to heat and promote the activated carbon to release the organic waste gas, and then the photocatalytic regeneration system is used to photocatalytically degrade the organic waste gas, so that the low-temperature activated carbon regeneration is realized, the activated carbon is not needed to be frequently replaced, and the material cost is reduced; in addition, the outer wall of the conveying pipe is coated with the heat insulation coating, so that the energy is fully utilized, and the energy consumption is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 is a structural schematic view of the utility model;

[0013] The signs are: 1, horizontal tank body; 2, fan; 3, heating assembly; 31, first box; 32, first sealing cover; 33, electric heating tube; 4, photocatalytic regeneration system; 41, second box; 42, second sealing cover; 43, photocatalytic plate; 44, photocatalytic light source; 5, first valve; 6, conveying pipe; 7, second valve; 8, tank cover. DETAILED DESCRIPTION

[0014] For the convenience of those skilled in the art to understand, the utility model is further explained below in combination with examples and drawings, and the content mentioned in the implementation mode is not a limitation of the utility model.

[0015] As Figure 1 Indicated, a low-temperature activated carbon regeneration device, including horizontal tank body 1, fan 2, heating assembly 3 and photocatalytic regeneration system 4, one end lateral wall of horizontal tank body 1, fan 2, heating assembly 3, photocatalytic regeneration system 4 and the other end lateral wall of horizontal tank body 1 are sequentially communicated by conveying pipe 6, the opening for normal flow processing organic waste gas is set up at both ends of horizontal tank body 1, and the first valve 5 is arranged at the opening of both ends of horizontal tank body 1, the outer wall of conveying pipe 6 is coated with heat insulation coating (not shown in the drawing), horizontal tank body 1 is used to contain activated carbon, and photocatalytic regeneration system 4 is used for photocatalytic degradation of organic waste gas.

[0016] The low-temperature activated carbon regeneration device adopts horizontal tank body 1, fan 2, heating assembly 3 and photocatalytic regeneration system 4, and sequentially communicates horizontal tank body 1, fan 2, heating assembly 3 and photocatalytic regeneration system 4 by conveying pipe 6, the opening for normal flow processing organic waste gas is set up at both ends of horizontal tank body 1, and the first valve 5 is arranged at the opening of both ends of horizontal tank body 1, when the low-temperature activated carbon regeneration device needs to normally process organic waste gas, two first valves 5 are opened, organic waste gas enters horizontal tank body 1 through one end of horizontal tank body 1, and the activated carbon contained in horizontal tank body 1 is used to adsorb organic waste gas, and then purified air is discharged from the other end of horizontal tank body 1, when the low-temperature activated carbon regeneration device needs to regenerate activated carbon, two first valves 5 are closed, so that the low-temperature activated carbon regeneration device forms internal circulation under the action of fan 2 to purify and process organic waste gas, heating assembly 3 is heated to promote activated carbon to release organic waste gas, and then photocatalytic regeneration system 4 is used to photocatalytically degrade organic waste gas, thereby realizing low-temperature activated carbon regeneration, avoiding frequent replacement of activated carbon and reducing material cost, in addition, the outer wall of conveying pipe 6 is coated with heat insulation coating, which is more conducive to full use of energy and reduces energy consumption.

[0017] Further, the conveying pipe 6 between horizontal tank body 1 and fan 2 and the conveying pipe 6 between photocatalytic regeneration system 4 and horizontal tank body 1 are provided with second valves 7, when photocatalytic regeneration system 4 is not needed to photocatalyze organic waste gas, two second valves 7 are closed, and two first valves 5 are opened, so as to directly use the activated carbon contained in horizontal tank body 1 to adsorb organic waste gas.

[0018] Further, the horizontal tank body 1 is hinged with a tank cover 8 for taking and placing activated carbon, and a sealing ring (not shown in the figure) is attached to the outer periphery of the tank cover 8 for sealing cooperation with the horizontal tank body 1. The gap between the tank cover 8 and the horizontal tank body 1 is sealed by the sealing ring, so as to avoid overflow of organic waste gas from the gap between the tank cover 8 and the horizontal tank body 1.

[0019] Further, the heating assembly 3 comprises a first box body 31, a first sealing cover 32 detachably arranged on the top of the first box body 31, and an electric heating tube 33 arranged in the first box body 31, and first through holes (not shown in the figure) are formed at both ends of the first box body 31 for communication with the conveying pipe 6. In actual use, the thermocouple temperature sensor and the electric heating tube 33 are electrically connected with the PLC controller, the detection end of the thermocouple temperature sensor is inserted into the horizontal tank body 1 for detecting the internal temperature of the horizontal tank body 1, and the PLC controller controls the on-off of the electric heating tube 33, so as to avoid continuous heating of the electric heating tube 33 and excessive internal temperature of the horizontal tank body 1.

[0020] Further, the photocatalytic regeneration system 4 comprises a second box body 41, a second sealing cover 42 detachably arranged on the top of the second box body 41, a plurality of photocatalytic plates 43 arranged at intervals in the second box body 41, and a photocatalytic light source 44 arranged in the second box body 41 and between adjacent two photocatalytic plates 43, and second through holes (not shown in the figure) are formed at both ends of the second box body 41 for communication with the conveying pipe 6, and the photocatalytic light source 44 and the photocatalytic plate 43 cooperate to photocatalytically degrade organic waste gas. The photocatalytic plate 43 is a prior art, which is only applied here, such as a honeycomb plate sprayed with titanium dioxide visible light photocatalyst; and the photocatalytic light source 44 is an LED lamp.

[0021] Further, the heat-insulating coating is a composite silicate heat-insulating coating.

[0022] The above embodiment is a preferred implementation scheme of the present application, and in addition to this, the present application can also be implemented in other ways, and any obvious replacement without departing from the concept of the present application is within the protection scope of the present application.

Claims

1. A low-temperature activated carbon regeneration apparatus, characterized by: The application relates to a horizontal tank body, a fan, a heating assembly and a photocatalytic regeneration system, one end of the horizontal tank body is connected with the fan, the heating assembly and the photocatalytic regeneration system through conveying pipes in sequence, the other end of the horizontal tank body is connected with the conveying pipes in sequence, the horizontal tank body is provided with openings at two ends for normal circulation of organic waste gas, the openings at the two ends of the horizontal tank body are provided with first valves, the outer wall of the conveying pipes is coated with a heat insulation coating, the horizontal tank body is used for containing activated carbon, and the photocatalytic regeneration system is used for photocatalytic degradation of organic waste gas.

2. The low-temperature activated carbon regeneration device according to claim 1, characterized in that: The conveying pipes between the horizontal tank body and the fan and between the photocatalytic regeneration system and the horizontal tank body are provided with second valves.

3. The low-temperature activated carbon regeneration device according to claim 1, characterized in that: The horizontal tank body is hinged with a tank cover for taking and placing activated carbon, and the outer periphery of the tank cover is attached with a sealing ring for sealing cooperation with the horizontal tank body.

4. The low-temperature activated carbon regeneration device according to claim 1, characterized in that: The heating assembly comprises a first box body, a first sealing cover detachably arranged on the top of the first box body, and an electric heating pipe arranged in the first box body, and the two ends of the first box body are provided with first through holes for communication with the conveying pipes.

5. The low-temperature activated carbon regeneration device according to claim 1, characterized in that: The photocatalytic regeneration system comprises a second box body, a second sealing cover detachably arranged on the top of the second box body, a plurality of photocatalytic plates arranged in the second box body at intervals, and a photocatalytic light source arranged in the second box body and between two adjacent photocatalytic plates, and the two ends of the second box body are provided with second through holes for communication with the conveying pipes, and the photocatalytic light source and the photocatalytic plates are used for photocatalytic degradation of organic waste gas.

6. The low-temperature activated carbon regeneration device according to claim 1, characterized in that: The heat insulation coating is a composite silicate heat insulation coating.

Citation Information

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