Volatile organic compound catalytic combustion purification equipment and treatment method thereof

Abstract

The invention relates to the related technical field of air purification, discloses volatile organic compound catalytic combustion purification equipment and a treatment method thereof, and aims to solve the problem that activated carbon plates are heated unevenly due to the fact that the positions of the multiple layers of activated carbon plates are fixed. Moreover, when the waste gas is purified, the frame is pushed by the hydraulic cylinder to enable the activated carbon plates to be close to the air inlet horn part, so that the input waste gas can be effectively purified; after the activated carbon plates are gradually saturated, high-temperature air flow is blown into the activated carbon box by utilizing the desorption input pipe, and the activated carbon plates are slowly reset by virtue of a piston rod in the hydraulic cylinder, so that the activated carbon plates are pulled to sequentially pass through the desorption input pipe to be subjected to high-temperature impact, each activated carbon plate is ensured to be subjected to high-temperature action, and finally, the effect of sequentially heating the movable carbon plates is realized.

Description

Technical Field

[0001] The present invention relates to the technical field related to air purification, and in particular to a volatile organic compound catalytic combustion purification device and a treatment method thereof. Background Art

[0002] Catalytic combustion purification equipment is an environmentally friendly device that efficiently treats industrial organic waste gas. It uses catalysts to oxidize and decompose organic matter into carbon dioxide and water at a lower temperature, which is both environmentally friendly and economical.

[0003] Currently, during the actual operation of the volatile organic compound catalytic combustion purification system, the VOCS organic waste gas first enters the water spray system to perform a preliminary filtration of odor and dust. After this step, most of the odor and particulate matter in the waste gas are removed. The wastewater generated during the water spray process is discharged into the water electrolysis equipment for recycling and reuse, maximizing the utilization of water resources.

[0004] After initial filtration, the exhaust gas enters the pre-treatment filtration equipment, where impurities such as water, gasoline, and dust are further removed. After pre-treatment filtration, the exhaust gas enters the activated carbon tank. As the VOCS organic waste gas passes through the activated carbon layer, the organic components in the exhaust gas are rapidly adsorbed into the micropores of the activated carbon, achieving concentration and filtration. After this series of treatments, the clean gas is discharged in compliance with emission standards through the fan, providing fresh air to the surrounding environment.

[0005] However, after a period of adsorption of VOCS waste gas, activated carbon will gradually reach a saturated state. At this point, its adsorption capacity will drop significantly. Therefore, in order to restore the adsorption performance of the activated carbon, it needs to be desorbed and regenerated. In the existing activated carbon desorption process, a fan is used to transport high-temperature air to the activated carbon box that needs to be desorbed. This high-temperature air can blow out the high-concentration VOCS organic waste gas adsorbed in the micropores of the activated carbon. The high-concentration VOCS organic waste gas that has been blown out will then enter the catalytic combustion furnace. In the catalytic combustion furnace, the VOCS organic waste gas is decomposed into carbon dioxide and water vapor through a catalytic combustion reaction under the action of the catalyst, thereby achieving harmless treatment of the waste gas.

[0006] However, in practice, the reverse-input high-temperature airflow into the activated carbon chamber must pass through multiple activated carbon plates in sequence, resulting in significant differences in the heating conditions of the activated carbon plates at different locations. Activated carbon plates near the air source are directly impacted by the high-temperature airflow, heating rapidly and over a long period of time. Activated carbon plates further from the air source, on the other hand, receive heat only gradually through conduction and convection, resulting in a much slower heating process. This uneven heating ultimately leads to a series of adverse consequences. Activated carbon near the air source can heat up too quickly and excessively, damaging its microporous structure and reducing adsorption efficiency. More seriously, excessively high temperatures can even pose a risk of combustion, posing a significant threat to equipment and personnel safety. Activated carbon further from the air source may not heat up sufficiently, preventing it from fully desorbing adsorbed pollutants. This results in incomplete desorption, and any remaining pollutants can affect the activated carbon's regeneration, preventing it from returning to its optimal adsorption state. This, in turn, impacts the efficiency and stability of the entire catalytic combustion purification system. Summary of the Invention

[0007] The present invention proposes a volatile organic compound catalytic combustion purification device and a treatment method thereof, which has the advantage of sequential heating of movable carbon plates, and is used to solve the problem of uneven heating of the activated carbon plates caused by the fixed positions of the multi-layer activated carbon plates proposed in the above background technology.

[0008] To achieve the above-mentioned objectives, the present invention adopts the following technical solutions: a volatile organic compound catalytic combustion purification device, comprising: an activated carbon box with air intake horns and exhaust horns symmetrically arranged on the left and right ends, the left end of the activated carbon box is fixedly connected to a desorption output pipe located below the air intake horn, and the middle of the bottom end is fixedly connected to a desorption input pipe; a frame is movably installed on the inner side of the activated carbon box, and an activated carbon plate is movably installed on the inner side of the frame; a hydraulic cylinder is installed on the right end of the activated carbon box, and a piston rod fixedly connected to the frame is movably installed inside; the hydraulic cylinder drives the piston rod to retract / release to realize the movement of the frame along the inner side of the activated carbon box, and drives the activated carbon plate to move left and right above the desorption input pipe, so that the high temperature input by the desorption input pipe can perform high-temperature desorption on the activated carbon plate in turn.

[0009] Furthermore, a rectangular groove for installing an activated carbon plate is opened on the top inner side of the frame.

[0010] Furthermore, electromagnetic on-off valves are provided on the air intake horn, the exhaust horn, the desorption output pipe and the desorption input pipe.

[0011] Furthermore, the hydraulic cylinder adopts a double-acting hydraulic cylinder.

[0012] Furthermore, the hydraulic cylinder adopts a single-acting hydraulic cylinder, an oil pipe is provided at the right end of the hydraulic cylinder, a spring is provided between the piston rod and the hydraulic cylinder, and a one-way exhaust valve and a damping hole are provided on the side of the hydraulic cylinder.

[0013] Further, the detection frame is movably arranged in the middle of the inner side of the activated carbon box, a round rod is fixed on the side of the detection frame, and the detection frame is movably connected to the bottom of the activated carbon box, and a spring is arranged outside the round rod between the detection frame and the bottom of the activated carbon box; a gas blocking piston is fixedly arranged at the bottom of the round rod, an adjusting pipe is fixedly arranged at the bottom of the activated carbon box, and one end of the adjusting pipe is fixed in the damping hole, and the gas blocking piston is lowered to block the adjusting pipe.

[0014] Further, the side of the detection frame is in the shape of a right trapezoid.

[0015] Further, a detection switch is fixedly arranged below the detection frame at the bottom of the activated carbon box, and an air inlet assembly for controlling the input of external air into the hydraulic cylinder is fixedly arranged outside the hydraulic cylinder.

[0016] Further, the air inlet assembly mainly comprises an adjusting cylinder, an adjusting piston and an electric push rod, the adjusting cylinder is fixed on the side of the hydraulic cylinder and communicates with the hydraulic cylinder, the adjusting piston is movably arranged in the adjusting cylinder, a spring is arranged between the adjusting piston and the adjusting cylinder, and the electric push rod is fixedly arranged at the end of the adjusting cylinder and pushes the adjusting piston away from the opening of the adjusting cylinder.

[0017] A treatment method of a volatile organic compound catalytic combustion purification device, comprising the following steps:

[0018] S1, the electromagnetic on-off valve blocks the desorption output pipe and the desorption input pipe, at this time, the electromagnetic on-off valves on the air inlet horn and the air outlet horn are connected.

[0019] S2, the exhaust gas enters the inside of the activated carbon box, and is discharged from the air outlet horn after being purified by the activated carbon plate.

[0020] S3, when the activated carbon plate is desorbed, the electromagnetic on-off valve blocks the air inlet horn and the air outlet horn, and connects the desorption output pipe and the desorption input pipe.

[0021] S4, the fan blows the high-temperature airflow into the inside of the activated carbon box, and the airflow impacts the activated carbon plate in the reverse direction from right to left.

[0022] S5, the hydraulic control makes the hydraulic cylinder slowly retract the piston rod, the frame drives the activated carbon plate to move to the right side, and the activated carbon plate on the right side sequentially passes through the desorption input pipe.

[0023] S6, the frame continues to drive the activated carbon plate to move to the right at a slow speed, and the high-temperature airflow input by the desorption input pipe flows to the left in sequence, so that the activated carbon plate on the frame is impacted by the high-temperature airflow for desorption.

[0024] The present application has the following beneficial effects:

[0025] The present invention provides a volatile organic compound (VOC) catalytic combustion purification device and treatment method. The device mounts multiple activated carbon plates on a frame structure. The frame's precise positioning and support ensures that the plates are evenly spaced. This equidistant arrangement not only facilitates uniform exhaust gas flow between the plates but also maximizes the adsorption and purification efficiency of each plate, laying a solid foundation for subsequent efficient exhaust gas purification.

[0026] During the exhaust gas purification phase, the hydraulic cylinder generates a driving force that pushes the frame and multiple activated carbon plates toward the intake horn. When the activated carbon plates approach this area, they fully contact the incoming exhaust gas, effectively adsorbing and purifying volatile organic compounds (VOCs) in the exhaust gas, significantly improving the efficiency and quality of exhaust gas purification.

[0027] Over time, the activated carbon plates gradually become saturated with adsorption, necessitating desorption and regeneration. During the desorption process, a high-temperature airflow is blown into the activated carbon chamber through the desorption inlet pipe. This high-temperature airflow carries a significant amount of heat energy, which desorbs volatile organic compounds adsorbed on the activated carbon plates. Simultaneously, the piston rod in the hydraulic cylinder slowly resets, and driven by the piston rod, the frame pulls the activated carbon plates through the desorption inlet pipe. During this process, each activated carbon plate is evenly impacted by the high-temperature airflow, ensuring that the high temperature reaches every plate and preventing incomplete desorption due to uneven heating. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the present disclosure and, together with the description, serve to explain the principles of the present disclosure.

[0029] The present invention can be more clearly understood from the following detailed description with reference to the accompanying drawings, in which:

[0030] Figure 1 This is a schematic diagram of the overall external three-dimensional structure of the present invention;

[0031] Figure 2 This is a schematic diagram of the overall internal three-dimensional structure of the present invention;

[0032] Figure 3 This is a schematic diagram of the overall internal planar cross-sectional structure of the present invention;

[0033] Figure 4 This is a schematic diagram of the internal three-dimensional structure of the hydraulic cylinder of the present invention;

[0034] Figure 5 Schematic diagram of the air purification airflow state in the present invention;

[0035] Figure 6Schematic diagram of the airflow state during the continuous desorption process of the activated carbon plate in the present invention;

[0036] Figure 7 Schematic diagram of the airflow state during key desorption of the activated carbon plate in the present invention.

[0037] In the figure: 1. Activated carbon box; 101. Air intake horn; 102. Exhaust horn; 2. Desorption output pipe; 3. Desorption input pipe; 4. Hydraulic cylinder; 401. Damping hole; 5. Frame; 6. Activated carbon plate; 7. Piston rod; 8. Detection frame; 9. Air blocking piston; 10. Adjustment pipe; 11. One-way exhaust valve; 12. Air intake assembly; 120. Adjustment cylinder; 121. Adjustment piston; 122. Electric push rod; 13. Detection switch. DETAILED DESCRIPTION

[0038] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. All other embodiments obtained by ordinary technicians in this field based on the embodiments of the present invention without making any creative efforts shall fall within the scope of protection of the present invention.

[0039] For example 1, please refer to Figure 1 As can be seen, the activated carbon box 1 is fixed in place using legs to provide support for other components. An intake horn 101 for exhaust gas is fixedly connected to the left end of the activated carbon box 1. After being purified inside the activated carbon box 1, the exhaust gas is finally discharged outward through an exhaust horn 102 fixedly connected to the right side of the activated carbon box 1.

[0040] Combine Figure 1 and Figure 2 It can be clearly seen that a frame 5 is movably mounted inside the activated carbon box 1, and the frame 5 can only reciprocate left and right along the inside of the activated carbon box 1. An activated carbon plate 6 is movably mounted inside the frame 5. Figure 2 As can be seen in the figure, a rectangular groove is defined on the inner top of frame 5. This not only limits the installation position of activated carbon plates 6 but also restricts their vertical movement along frame 5. Furthermore, the rectangular groove constrains the placement of multiple activated carbon plates 6 at equal distances. This application uses eight activated carbon plates as an example; however, the number of activated carbon plates 6 can be adjusted as needed in actual use.

[0041] In the process of application, in order to achieve the desorption of activated carbon plate 6, according to Figure 1 and Figure 3It can be clearly seen that the left end of the activated carbon box 1 is fixedly installed with a desorption output pipe 2 located below the air intake horn 101, and the middle of the bottom end of the activated carbon box 1 is fixedly connected to the desorption input pipe 3. In actual operation, the air intake horn 101, the exhaust horn 102, the desorption output pipe 2 and the desorption input pipe 3 are all equipped with electromagnetic on-off valves to enable the channels to be connected as needed. Figure 2 As shown, a hydraulic cylinder 4 is fixedly mounted on the right end of the activated carbon box 1, and a piston rod 7 is sealably mounted inside the hydraulic cylinder 4. More specifically, in this embodiment, the hydraulic cylinder 4 is a double-acting hydraulic cylinder. The hydraulic oil is applied to different chambers on the left and right sides of the piston rod 7 to extend and retract the piston rod 7. The end of the piston rod 7 is fixedly connected to the frame 5 to ensure that the frame 5 can be moved left and right synchronously during the movement of the piston rod 7.

[0042] In actual application, when exhaust gas needs to be purified, the desorption output pipe 2 and the desorption input pipe 3 are blocked according to the electromagnetic on-off valve. At the same time, the hydraulic control system causes the hydraulic cylinder 4 to push the piston rod 7 out, forcing the frame 5 to approach the air intake horn 101. The exhaust gas enters the activated carbon box 1 and is purified when passing through the activated carbon plate 6. The purified air flow is discharged from the exhaust horn 102. Figure 5 Status shown.

[0043] When the activated carbon plate 6 is saturated and needs to be desorbed, the electromagnetic on-off valve is used to block the air intake horn 101 and the exhaust horn 102. The desorption output pipe 2 and the desorption input pipe 3 are then connected. Then, the fan blows the high-temperature airflow into the activated carbon box 1. At this time, the airflow flows from right to left, and the activated carbon plate 6 is subjected to reverse high-temperature impact in turn. During this process, the hydraulic cylinder 4 slowly retracts the piston rod 7 according to the hydraulic control. During this process, the frame 5 drives the activated carbon plate 6 to move to the right, as shown in FIG. Figure 3 As shown, the activated carbon plates 6 on the right side pass through the desorption inlet pipe 3 in sequence, so as to prevent the rightmost activated carbon plate 6 from being damaged or catching fire due to long-term high temperature impact.

[0044] As the frame 5 drives the activated carbon plate 6 to move slowly to the right, Figure 6 As shown, since the exhaust horn 102 on the right is blocked, the activated carbon plate 6 passing through the desorption input pipe 3 will not be excessively impacted by high temperature, and the high-temperature airflow input in the desorption input pipe 3 flows to the left in turn, and finally all the activated carbon plates 6 on the frame 5 are impacted by the high-temperature airflow, ensuring that each activated carbon plate 6 can perform effective high-temperature desorption.

[0045] The second embodiment is another design of the hydraulic cylinder 4 in the first embodiment, please refer to Figure 3 and Figure 4The hydraulic cylinder 4 is a single-acting hydraulic cylinder. Specifically, an oil pipe is provided at the right end of the hydraulic cylinder 4. When the hydraulic system injects hydraulic oil from the right end of the hydraulic cylinder 4, the piston rod 7 in the hydraulic cylinder 4 is pushed out under pressure, ultimately pushing the activated carbon plate 6 toward the air intake horn 101. To retract the piston rod 7, a spring is provided between the piston rod 7 and the hydraulic cylinder 4. When the piston rod 7 is extended, the spring is compressed. When the hydraulic oil supply to the hydraulic cylinder 4 stops, the piston rod 7 is pushed back into the hydraulic cylinder 4 by the spring.

[0046] On this basis, a one-way exhaust valve 11 and a damping hole 401 are provided on the side of the hydraulic cylinder 4. When the piston rod 7 is extended, the air inside the hydraulic cylinder 4 is quickly exhausted from the one-way exhaust valve 11. When the piston rod 7 is pushed by the spring and retracted into the hydraulic cylinder 4, the external air can only slowly enter the hydraulic cylinder 4 through the damping hole 401. In actual application, when the activated carbon plate 6 needs to be desorbed, the desorption output pipe 2 and the desorption input pipe 3 are opened, and the desorption input pipe 3 is used to input high-temperature airflow into the activated carbon box 1. After the hydraulic oil is stopped from being input into the hydraulic cylinder 4, the piston rod 7 in the hydraulic cylinder 4 moves to the right under the push of the spring, and the piston rod 7 drives the frame 5 to move slowly to the right, so that the activated carbon plates 6 pass through the desorption input pipe 3 in sequence, thereby completing the high-temperature desorption of the activated carbon plates 6 in sequence as described in Example 1.

[0047] The third embodiment is a further improvement on the second embodiment. Figure 2 and Figure 3 It can be seen that a detection frame 8 is movably installed in the middle of the inner side of the activated carbon box 1, and the side shape of the detection frame 8 is a right-angled trapezoid. The side of the detection frame 8 extends from the bottom of the activated carbon box 1 and is movably installed at the bottom of the activated carbon box 1 based on the round rod on the outside of the detection frame 8. When the detection frame 8 moves up and down, it can drive the round rod to move up and down synchronously. A spring located on the outside of the round rod is set between the detection frame 8 and the bottom of the activated carbon box 1. Initially, the detection frame 8 is pushed by the spring, so that it always has an upward trend until the detection frame 8 reaches the top limit, that is, Figure 3 Position shown.

[0048] Furthermore, a gas blocking piston 9 is fixedly mounted on the bottom of the round rod. Correspondingly, an adjustment tube 10 is fixedly mounted on the bottom of the activated carbon box 1, with one end of the adjustment tube 10 fixed in the damping hole 401. Initially, the spring pushes the detection frame 8 upward, driving the gas blocking piston 9 upward synchronously. At this time, the gas blocking piston 9 does not block the adjustment tube 10.

[0049] In the actual application process, the exhaust gas enters the activated carbon box 1 for purification, thereby achieving the above-mentioned embodiment 1 and Figure 5 working status.

[0050] When the activated carbon plate 6 needs to be desorbed, the electromagnetic on-off valves on the air intake horn 101 and the exhaust horn 102 are blocked, and the electromagnetic on-off valves on the desorption output pipe 2 and the desorption input pipe 3 are opened. At this time, high-temperature air enters the activated carbon box 1 through the desorption input pipe 3, and passes through the activated carbon plate 6 in turn, and is finally discharged from the desorption output pipe 2.

[0051] After that, the hydraulic control system stops supplying lubricating oil to the right end of the hydraulic cylinder 4. The piston rod 7 is retracted into the hydraulic cylinder 4 by the spring, and the piston rod 7 simultaneously pulls the frame 5 to the right. During this process, the external air flow slowly flows into the inner cavity of the hydraulic cylinder 4 through the adjustment pipe 10.

[0052] When the frame 5 drives the activated carbon plate 6 through the detection frame 8, the activated carbon plate 6 will be pressed above the detection frame 8 due to gravity. According to common sense, the core principle of activated carbon in purifying air or treating exhaust gas is physical adsorption. Its developed internal microporous structure provides a huge specific surface area. When gas molecules contact the activated carbon, the van der Waals force between the molecules will capture and fix them in the pores. This process is similar to a sponge absorbing water. As the adsorbed pollutant molecules continue to accumulate, the overall weight of the activated carbon will gradually increase. Based on this, at the beginning of assembly, the spring can detect whether the activated carbon plate 6 is overweight. When the weight of the activated carbon plate 6 is greater than the design requirement, it means that the activated carbon plate 6 is relatively saturated. At this time, the activated carbon plate 6 squeezes the detection frame 8 downward, causing the detection frame 8 to drive the air blocking piston 9 downward until the air blocking piston 9 blocks the adjustment tube 10. During this process, since the external airflow can only be input into the inner cavity of the hydraulic cylinder 4 through the adjustment tube 10, when the air blocking piston 9 blocks the adjustment tube 10, it will also prevent the piston rod 7 from moving to the right, forcing the activated carbon plate 6 to always remain above the detection rack 8. At this time, the high-temperature airflow blown out through the desorption input pipe 3 continues to act on the activated carbon plate 6 above the detection rack 8, thereby prolonging the high-temperature impact on the activated carbon plate 6.

[0053] When the activated carbon plate 6 is desorbed, it returns to its initial weight, the spring pushes the detection frame 8 upward, the air blocking piston 9 no longer blocks the adjustment tube 10, and the external air enters the hydraulic cylinder 4 from the adjustment tube 10 again. The piston rod 7 in the hydraulic cylinder 4 slowly pulls the activated carbon plate 6 to recover again until the desorption input pipe 3 performs high-temperature desorption on all the activated carbon plates 6 in turn.

[0054] Example 4 is a supplement to the example. On this basis, combined with Figure 3 and Figure 4It can be seen that a detection switch 13 located below the detection frame 8 is fixedly installed at the bottom of the activated carbon box 1. When the detection frame 8 descends and the adjustment tube 10 is blocked by the air blocking piston 9, the detection switch 13 is turned on and an electrical signal is input to the control system, which is generally a programmable controller. An air intake assembly 12 for controlling the input of external air into the hydraulic cylinder 4 is fixedly installed on the outside of the hydraulic cylinder 4. The air intake assembly 12 mainly includes an adjustment cylinder 120, an adjustment piston 121 and an electric push rod 122. Among them, the adjustment cylinder 120 is fixed to the side of the hydraulic cylinder 4 and is connected to it. The adjustment piston 121 is movably installed inside the adjustment cylinder 120, and a spring is provided between the adjustment piston 121 and the adjustment cylinder 120. Under normal conditions, the spring pushes the adjustment piston 121 to block the opening of the adjustment cylinder 120. An electric push rod 122 is fixedly installed at the end of the adjusting cylinder 120 to push the adjusting piston 121 away from the opening of the adjusting cylinder 120. When the electric push rod 122 reaches the adjusting piston 121, it will move the adjusting piston 121 away from the opening of the adjusting cylinder 120 and connect the opening of the adjusting cylinder 120.

[0055] In the actual application process, when the gas blocking piston 9 blocks the adjustment tube 10, Figure 7 The state shown. The external airflow cannot enter the hydraulic cylinder 4 through the adjustment tube 10. At this time, the frame 5 cannot move to the right. The detection frame 8 moves downward and presses the detection switch 13 at the same time. The detection switch 13 sends an electrical signal to the control system, and the control system starts timing. If the activated carbon plate 6 does not release the pressure on the detection frame 8 within the set time, the control system will push the adjustment piston 121 downward through the electric push rod 122, so that the adjustment piston 121 releases the blockage of the opening of the adjustment cylinder 120. The external airflow enters the hydraulic cylinder 4 according to the adjustment cylinder 120. The piston rod 7 continues to pull the frame 5 to the right under the push of the spring until the activated carbon plate 6 is separated from the detection frame 8, and the detection frame 8 releases the pressure on the detection switch 13. After the pressure is released, the detection switch 13 sends an electrical signal to the control system again, which eventually causes the electric push rod 122 to release the push on the adjustment piston 121. The adjustment piston 121 is pushed by the spring to seal the opening of the adjustment cylinder 120 again.

[0056] In this way, the controller is adjusted to prevent the activated carbon plate 6 from being on the detection rack 8 for a long time and undergoing high-temperature desorption, thereby preventing the activated carbon plate 6 from being exposed to long-term high temperature and catching fire or being damaged.

Claims

1. A volatile organic compound catalytic combustion purification device, characterized in that: include: An air intake horn (101) and an exhaust horn (102) are symmetrically arranged at the left and right ends of the activated carbon box (1); the left end of the activated carbon box (1) is fixedly connected to a desorption output pipe (2) located below the air intake horn (101); and the middle of the bottom end is fixedly connected to a desorption input pipe (3); A frame (5) is movably mounted on the inner side of the activated carbon box (1), and an activated carbon plate (6) is movably mounted on the inner side of the frame (5); A hydraulic cylinder (4) is installed at the right end of the activated carbon box (1), and a piston rod (7) fixedly connected to the frame (5) is movably installed inside; the hydraulic cylinder (4) drives the piston rod (7) to retract / release to realize the movement of the frame (5) along the inner side of the activated carbon box (1), and drives the activated carbon plate (6) to move left and right above the desorption input pipe (3), so that the high temperature input from the desorption input pipe (3) can sequentially desorb the activated carbon plate (6) at high temperature.

2. The volatile organic compound catalytic combustion purification equipment according to claim 1, characterized in that: A rectangular groove for mounting the activated carbon plate (6) is provided on the inner top of the frame (5).

3. The volatile organic compound catalytic combustion purification equipment according to claim 1, characterized in that: Electromagnetic on-off valves are provided on the air intake horn (101), the exhaust horn (102), the desorption output pipe (2) and the desorption input pipe (3).

4. The volatile organic compound catalytic combustion purification equipment according to claim 1, characterized in that: The hydraulic cylinder (4) adopts a double-acting hydraulic cylinder.

5. The volatile organic compound catalytic combustion purification equipment according to claim 1, characterized in that: The hydraulic cylinder (4) is a single-acting hydraulic cylinder. An oil delivery pipe is provided at the right end of the hydraulic cylinder (4). A spring is provided between the piston rod (7) and the hydraulic cylinder (4). A one-way exhaust valve (11) and a damping hole (401) are provided on the side of the hydraulic cylinder (4).

6. The volatile organic compound catalytic combustion purification equipment according to claim 5, characterized in that: A detection frame (8) is movably mounted in the middle of the inner side of the activated carbon box (1); a round rod fixed on the side of the detection frame (8) is movably connected to the bottom of the activated carbon box (1); and a spring located on the outer side of the round rod is provided between the detection frame (8) and the bottom of the activated carbon box (1); A gas blocking piston (9) is fixedly mounted on the bottom of the round rod, an adjustment tube (10) is fixedly mounted on the bottom of the activated carbon box (1), and one end of the adjustment tube (10) is fixed in the damping hole (401). When the gas blocking piston (9) moves downward, the adjustment tube (10) is blocked.

7. The volatile organic compound catalytic combustion purification equipment according to claim 6, characterized in that: The side shape of the detection frame (8) is a right-angled trapezoid.

8. The volatile organic compound catalytic combustion purification equipment according to claim 6, characterized in that: A detection switch (13) located below the detection frame (8) is fixedly mounted on the bottom of the activated carbon box (1), and an air intake assembly (12) for controlling the input of external air into the interior of the hydraulic cylinder (4) is fixedly mounted on the outside of the hydraulic cylinder (4).

9. The volatile organic compound catalytic combustion purification equipment according to claim 8, characterized in that: The air intake assembly (12) mainly includes an adjusting cylinder (120), an adjusting piston (121) and an electric push rod (122). The adjusting cylinder (120) is fixed to the side of the hydraulic cylinder (4) and is connected thereto. The adjusting piston (121) is movably mounted inside the adjusting cylinder (120), and a spring is provided between the adjusting piston (121) and the adjusting cylinder (120). The electric push rod (122) is fixedly mounted at the end of the adjusting cylinder (120) to push the adjusting piston (121) away from the opening of the adjusting cylinder (120).

10. A treatment method for volatile organic compound catalytic combustion purification equipment according to claim 3, characterized in that: The following steps are involved: S1, the electromagnetic on-off valve blocks the desorption output pipe (2) and the desorption input pipe (3), at which time the electromagnetic on-off valves on the intake horn (101) and the exhaust horn (102) are turned on; S2, the exhaust gas enters the activated carbon box (1), is purified by the activated carbon plate (6), and is discharged from the exhaust horn (102); S3, when the activated carbon plate is desorbed, the electromagnetic on-off valve blocks the air inlet horn (101) and the exhaust horn (102), and connects the desorption output pipe (2) and the desorption input pipe (3); S4, the fan blows the high-temperature airflow into the activated carbon box (1), and the airflow impacts the activated carbon plate (6) in the reverse direction from right to left; S5, hydraulic control causes the hydraulic cylinder (4) to slowly retract the piston rod (7), and the frame (5) drives the activated carbon plate (6) to move to the right, and the activated carbon plate (6) on the right passes through the desorption input pipe (3) in sequence; S6. The frame (5) continues to drive the activated carbon plate (6) to move slowly to the right, and the high-temperature airflow input from the desorption input pipe (3) flows to the left in sequence, so that the activated carbon plates (6) on the frame (5) are all impacted by the high-temperature airflow for desorption.

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