A durene production waste gas purification device

Abstract

The application provides a durene production waste gas purification equipment, and relates to the technical field of waste gas purification. The equipment comprises a purification box, a water tank, a UV photolysis box and a heating box are arranged in the purification box, a condensation structure and a movable block are arranged in the water tank, a movable pipe is arranged in the movable block, an air inlet pipe is fixed to one side of the purification box, the air inlet pipe and the condensation structure correspond to the movable pipe, a plurality of mounting racks are arranged in the UV photolysis box, a purification structure is arranged in the mounting rack, a clamping fixing structure is arranged between the mounting rack and the UV photolysis box, the water tank, the UV photolysis box and the heating box are arranged in the purification box, the condensation structure is arranged in the water tank, the waste gas can be purified through the UV photolysis box, the waste gas can be heated and purified through the heating box, the waste gas can be condensed and purified through the condensation structure, and the waste gas can be directly introduced into water for purification, so that the waste gas generated during durene production can be better purified.

Description

Technical Field

[0001] This invention relates to the field of waste gas purification technology, specifically to a waste gas purification device for mesitylene production. Background Technology

[0002] Mesitylene and its processed products are widely used in the production of organic chemicals, pharmaceuticals, explosives, and synthetic fibers. Due to its harmful effects on humans, reducing the concentration of mesitylene in exhaust gases has become a crucial issue for mesitylene production units. Currently, most methods for purifying waste gas generated during mesitylene production utilize UV ​​photolysis. While UV photolysis can degrade and convert waste gas into low-molecular-weight compounds, water, and carbon dioxide, the continuous flow of the gas during use makes complete purification by UV photolysis impossible. Furthermore, the photocatalytic effect of UV photolysis decreases with use. Once this decrease reaches a certain level, the purification effect becomes poor, resulting in exhaust gases containing large amounts of harmful substances, causing environmental pollution and impacting worker health.

[0003] Therefore, the present invention provides a waste gas purification device for mesitylene production. Summary of the Invention

[0004] To address the shortcomings of existing technologies, the present invention aims to provide a waste gas purification device for mesitylene production, solving the problems mentioned in the background section. This invention can effectively purify the waste gas generated during mesitylene production, ensuring a high purification effect. Multiple purification methods ensure thorough purification, preventing harmful substances in the discharged waste gas from polluting the air and protecting the working environment for workers. It also ensures the purification effect of the photocatalytic filter and catalyst filter, allowing for replacement of the catalyst filter during waste gas purification, thus preventing the replacement from affecting the purification efficiency and guaranteeing the purification effect. Furthermore, it facilitates the selection of waste gas purification methods, improving the flexibility of the device. By installing a first valve and a second valve in the drain pipe, the waste gas can be condensed and purified simultaneously while the condensate is discharged, improving the efficiency of condensate discharge without affecting the waste gas purification and preventing leaks.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a purification device for waste gas from the production of mesitylene, comprising a purification chamber, a water tank, a UV photolysis chamber, and a heating chamber. The water tank contains a condensation structure and a movable block, and the movable block contains a movable pipe. An air inlet pipe is fixed to one side of the purification chamber, and both the air inlet pipe and the condensation structure correspond to the movable pipe. The UV photolysis chamber contains multiple mounting brackets, each containing a purification structure. A snap-fit ​​fixing structure is installed between the mounting brackets and the UV photolysis chamber. A turntable rotates within the heating chamber, and a catalytic structure is mounted on the turntable. A heating structure is also installed within the heating chamber. An air outlet pipe is mounted on the purification chamber, connecting to the heating chamber and corresponding to the movable pipe. A blocking structure is installed within the movable pipe.

[0006] Furthermore, the condensation structure includes a condenser tube connected to the air inlet pipe, which has an S-shaped structure. Multiple drain pipes are fixed at the bottom of the condenser tube, and a first valve and a second valve are fixed inside the drain pipes. The water tank is filled with water, and an inlet and an outlet are provided on one side of the water tank. Both the inlet and outlet are connected to the water tank, and the water level in the water tank is below the air inlet pipe.

[0007] Furthermore, the top of the water tank has a first connecting port, the side of the UV photolysis box has multiple air inlets, the top of the purification box has a disassembly groove corresponding to the mounting bracket, the mounting bracket includes an upper bracket and a lower bracket, the purification structure includes a photocatalytic filter plate and multiple UV lamps fixed between the upper bracket and the lower bracket, the snap-fit ​​fixing structure includes multiple clips fixed on the upper bracket, and the UV photolysis box has multiple slots corresponding to the clips.

[0008] Furthermore, a connecting pipe is fixed between the UV photolysis box and the heating box, and the connecting pipe is connected to both the UV photolysis box and the heating box. A fan is fixed inside the connecting pipe.

[0009] Furthermore, a drive chamber is provided inside the heating box, and a motor is fixed inside the drive chamber. The output end of the motor is fixedly connected to the turntable. Multiple partitions are fixed on the turntable, and the partitions correspond to the catalytic structure. The catalytic structure includes multiple catalyst filter plates. A sliding groove is provided between two adjacent partitions, and the sliding groove corresponds to the catalyst filter plate.

[0010] Furthermore, a mounting block is fixed to the top of the catalyst filter plate, and a slot is provided in the mounting block. A disassembly rod is slidably fitted on the purification box, and an insertion block is fixed to the end of the disassembly rod. An electromagnet is installed in the insertion block, and the insertion block corresponds to the slot. A clamping block is elastically fitted in the mounting block, and the clamping block corresponds to the insertion block and the catalyst filter plate. Grooves are provided on both sides of the slot, and the grooves correspond to the clamping blocks. A first spring is fixed between the grooves and the clamping blocks.

[0011] Furthermore, a connecting pipe is installed between the air outlet pipe and the movable pipe. The two ends of the connecting pipe are threaded into the air outlet pipe and the movable pipe, respectively. The connecting pipe is a flexible hose, and the plugging structure corresponds to the connecting pipe.

[0012] Furthermore, the blocking structure includes a blocking block and a baffle installed inside the movable tube. The blocking block has a conical structure, the baffle is fixedly connected to the movable tube, a blocking plate is fixed on the blocking block, a plurality of second springs are fixed between the blocking plate and the baffle, a second connecting port is opened inside the baffle, the second connecting port corresponds to the blocking block, and a plurality of third connecting ports are opened inside the blocking plate.

[0013] Furthermore, one end of the movable tube is fixed to the opposite outer side of the purification box, and the other end of the movable tube is located inside the water tank. The movable tube is slidably connected to the movable block, which is located between the air inlet pipe and the condenser pipe. The movable block is fixedly connected to the air inlet pipe and the condenser pipe, and a communication structure is provided inside the movable tube.

[0014] Furthermore, the communication structure includes a fourth communication port and a fifth communication port opened in the movable tube. The fourth communication port is connected to the air intake pipe, and the fifth communication port is connected to the condenser pipe. A sixth communication port is opened in the movable tube, which corresponds to the air intake pipe and is located above the fourth communication port.

[0015] The beneficial effects of this invention are:

[0016] 1. The purification chamber is equipped with a water tank, a UV photolysis chamber, and a heating chamber. A condensation structure is installed in the water tank. The waste gas can be purified through the UV photolysis chamber, heated and purified through the heating chamber, and condensed and purified through the condensation structure. Alternatively, the waste gas can be directly passed into the water for purification. This method effectively purifies the waste gas generated during the production of mesitylene, ensuring a high purification effect. Multiple purification methods ensure relatively complete purification of the waste gas, preventing harmful substances in the discharged waste gas from polluting the air and protecting the working environment of the workers.

[0017] 2. A snap-fit ​​fixing structure is installed between the mounting frame and the UV photolysis box, a catalytic structure is installed on the turntable, and a disassembly rod is slidably installed on the purification box. This allows for the disassembly and replacement of the photocatalytic filter plate and the catalyst filter plate, thereby ensuring the purification effect of the photocatalytic filter plate and the catalyst filter plate on the exhaust gas. Furthermore, the catalyst filter plate can be replaced during the purification of exhaust gas, thus preventing the replacement of the catalyst filter plate from affecting the efficiency of exhaust gas purification and ensuring the effect of exhaust gas purification.

[0018] 3. Install a movable block inside the water tank, and install a movable pipe inside the movable block. The exhaust gas can be circulated through the movable pipe, thereby ensuring the purification effect of the exhaust gas. Furthermore, the exhaust gas can be condensed and purified or directly purified by passing it into the water by sliding the movable pipe, which makes it convenient to select the exhaust gas purification method and improves the flexibility of the device.

[0019] 4. Install the first valve and the second valve in the drain pipe. By opening the first valve and the second valve in sequence, the exhaust gas can be condensed and purified while the condensate generated is discharged, thereby improving the efficiency of condensate discharge and not affecting the purification of exhaust gas, thus preventing gas leakage. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the overall assembly three-dimensional structure of a mesitylene production waste gas purification device according to the present invention.

[0021] Figure 2 This is a schematic diagram of the overall assembly cross-sectional structure of a mesitylene production waste gas purification device according to the present invention.

[0022] Figure 3 for Figure 2 A schematic diagram at point A in the middle;

[0023] Figure 4 for Figure 2 A schematic diagram at point B in the middle;

[0024] Figure 5 for Figure 2 A schematic diagram at point C in the middle;

[0025] Figure 6 This is a schematic diagram of the assembled three-dimensional structure of the UV photolysis box in a purifying device for mesitylene production waste gas according to the present invention.

[0026] Figure 7 This is a schematic diagram of the three-dimensional assembly structure of UV lamp tubes and photocatalytic filter plates in a pyroxene production waste gas purification device of the present invention.

[0027] Figure 8 This is a schematic diagram of the three-dimensional assembly structure of the condenser tube in a pyroxene production waste gas purification device according to the present invention.

[0028] Figure 9 This is a schematic diagram of the assembly cross-sectional structure of the heating box in a mesitylene production waste gas purification device of the present invention;

[0029] Figure 10 This is a schematic diagram of the assembly cross-sectional structure of the heating box and the purification box in a mesitylene production waste gas purification device of the present invention.

[0030] In the diagram: 1. Purification chamber; 2. Water tank; 3. Air inlet pipe; 4. Movable block; 5. Condenser pipe; 6. Drain pipe; 7. First valve; 8. Second valve; 9. First connecting port; 10. UV photolysis chamber; 11. Air inlet; 12. Disassembly slot; 13. Upper support; 14. Lower support; 15. UV lamp; 16. Photocatalytic filter plate; 17. Locking block; 18. Locking slot; 19. Connecting pipe; 20. Fan; 21. Motor; 22. Drive chamber; 23. Turntable; 24. Heating tube; 25. Partition plate; 6. Slide groove; 27. Catalyst filter plate; 28. Groove; 29. ​​First spring; 30. Clamping block; 31. Disassembly rod; 33. Electromagnet; 34. Mounting block; 35. Air outlet pipe; 36. Movable pipe; 37. Second connecting port; 38. Third connecting port; 39. Fourth connecting port; 40. Blocking block; 41. Fifth connecting port; 48. Sixth connecting port; 49. Baffle; 50. Second spring; 51. Blocking plate; 52. Water inlet; 53. Water outlet; 54. Slot; 55. Insert block; 56. Heating box. Detailed Implementation

[0031] To make the technical means, creative features, objectives and effects of this invention easier to understand, the invention will be further described below in conjunction with specific embodiments.

[0032] Please see Figures 1 to 10 This invention provides a technical solution: a purification device for waste gas from the production of mesitylene, comprising a purification chamber 1, wherein the purification chamber 1 is equipped with a water tank 2, a UV photolysis chamber 10, and a heating chamber 56. The water tank 2 is equipped with a condensation structure and a movable block 4, and the movable block 4 is equipped with a movable pipe 36. An air inlet pipe 3 is fixed on one side of the purification chamber 1, and the air inlet pipe 3 and the condensation structure are corresponding to the movable pipe 36. The UV photolysis chamber 10 is equipped with multiple mounting brackets, and the mounting brackets are equipped with purification structures. A snap-fit ​​fixing structure is installed between the mounting brackets and the UV photolysis chamber 10. A turntable 23 is rotatably fitted inside the heating chamber 56, and a catalytic structure is installed on the turntable 23. A heating structure is installed inside the heating chamber 56. An air outlet pipe 35 is installed on the purification chamber 1, and the air outlet pipe 35 is connected to the heating chamber 56. The air outlet pipe 35 is corresponding to the movable pipe 36, and a blocking structure is installed inside the movable pipe 36.

[0033] In this embodiment, the condensation structure includes a condenser pipe 5, which is connected to the air inlet pipe 3 and has an S-shaped structure. Multiple drain pipes 6 are fixed at the bottom of the condenser pipe 5. A first valve 7 and a second valve 8 are fixed inside the drain pipes 6. The water tank 2 is filled with water. An inlet 52 and an outlet 53 are opened on one side of the water tank 2. Both the inlet 52 and the outlet 53 are connected to the water tank 2. The water level in the water tank 2 is below the air inlet pipe 3.

[0034] Specifically, water can be added to the water tank 2 through the inlet 52 and discharged through the outlet 53. For condensation purification, the water in the water tank 2 can cool the gas in the condenser tube 5, thus achieving a certain condensation effect and purifying the xylene waste gas through condensation. For waste gas directly purified by water, water enters through the inlet 52 and exits through the outlet 53, ensuring water flow and thus guaranteeing the purification effect on the waste gas. This allows the water flow to effectively purify the waste gas, reducing the content of harmful substances in the waste gas. Wastewater can be discharged through the outlet 53, facilitating wastewater treatment. The condenser tube can be drained through the drain pipe 6. The condensate generated during condensation is discharged to prevent it from remaining inside the condenser tube 5, thus preventing it from affecting the condensation process and ensuring the condensation effect. This, in turn, guarantees the treatment effect on the xylene waste gas. When discharging the condensate, the first valve 7 and the second valve 8 can be opened indirectly, allowing the condensate to flow from the condenser tube 5 to between the first valve 7 and the second valve 8. Then, the first valve 7 is closed and the second valve 8 is opened, allowing the condensate between the first valve 7 and the second valve 8 to flow out. This allows the condensate to be discharged under sealed conditions, thus achieving simultaneous condensation and condensate discharge, improving the condensation efficiency, thereby enhancing the purification efficiency of the xylene waste gas and ensuring the condensation purification effect.

[0035] The top of the water tank 2 has a first connecting port 9, the side of the UV photolysis box 10 has multiple air inlets 11, the top of the purification box 1 has a disassembly groove 12, the disassembly groove 12 corresponds to the mounting bracket, the mounting bracket includes an upper bracket 13 and a lower bracket 14, the purification structure includes a photocatalytic filter plate 16 fixed between the upper bracket 13 and the lower bracket 14 and multiple UV lamps 15, the snap-fit ​​fixing structure includes multiple snap-fit ​​blocks 17 fixed on the upper bracket 13, and multiple snap-fit ​​slots 18 are opened inside the UV photolysis box 10, the snap-fit ​​slots 18 correspond to the snap-fit ​​blocks 17.

[0036] Specifically, for condensation purification, the exhaust gas is blown out from the condenser pipe 5 and enters the water tank 2 above the water surface. The exhaust gas then exits through the first connecting port 9 and enters the UV photolysis chamber 10 through the air inlet 11. The UV photolysis chamber 10 then performs photolysis on the condensed and purified exhaust gas, thereby improving the treatment effect. For exhaust gas directly purified in water, the exhaust gas is purified in the water, then blown out and to the water surface. It then enters the UV photolysis chamber 10 through the first connecting port 9 and the air inlet 11, where it is further purified. When the UV lamp 15 is powered on, it emits light, which, in conjunction with the photocatalytic filter plate 16, improves the photolysis effect on mesitylene waste gas. When the photocatalytic filter plate 16 needs to be replaced, the mounting bracket is pulled upwards, causing the locking block 17 to separate from the locking slot 18, thereby pulling out the upper bracket 13. Simultaneously, the lower bracket 14 can be pulled out, allowing the photocatalytic filter plate 16 to be easily replaced. This ensures the photolysis effect of the photocatalytic filter plate 16, thereby guaranteeing the treatment effect of waste gas and improving the treatment efficiency of waste gas.

[0037] A connecting pipe 19 is fixed between the UV photolysis chamber 10 and the heating chamber 56. The connecting pipe 19 is connected to the UV photolysis chamber 10 and the heating chamber 56. A fan 20 is fixed inside the connecting pipe 19.

[0038] Specifically, the exhaust gas purified by the UV photolysis chamber 10 enters the connecting pipe 19. When the fan 20 is started, the exhaust gas is blown into the heating chamber 56, which facilitates the heating and purification of the exhaust gas. The fan 20 ensures the circulation of the exhaust gas and improves work efficiency.

[0039] The heating chamber 56 has a drive chamber 22, and a motor 21 is fixed inside the drive chamber 22. The output end of the motor 21 is fixedly connected to the turntable 23. Multiple partitions 25 are fixed on the turntable 23. The partitions 25 correspond to the catalytic structure. The catalytic structure includes multiple catalyst filter plates 27. A sliding groove 26 is opened between two adjacent partitions 25. The sliding groove 26 corresponds to the catalyst filter plate 27. Multiple heating tubes 24 are fixed inside the heating chamber 56.

[0040] Specifically, the exhaust gas entering the heating chamber 56 can be heated by the heating pipe 24. The exhaust gas comes into contact with the catalyst filter plate 27, and a rapid oxidation-reduction reaction occurs in the hotter environment, thereby purifying the exhaust gas. One catalyst filter plate 27 can be removed individually, allowing the other catalyst filter plates 27 to achieve a good purification effect. This facilitates the replacement of the catalyst filter plates 27 without reducing the efficiency of the purification process. During purification, the motor 21 is started, causing the turntable 23 to rotate, which in turn rotates the multiple partitions 25 and the catalyst filter plates 27 on the turntable 23. This ensures that the catalyst filter plates 27 are evenly in contact with the exhaust gas, guaranteeing that each catalyst filter plate 27 is fully utilized, reducing waste from pressing the catalyst filter plates 27, thereby reducing purification costs. Furthermore, the full contact between the catalyst filter plates 27 and the exhaust gas ensures the purification effect and further reduces the content of harmful substances in the exhaust gas.

[0041] A mounting block 34 is fixed to the top of the catalyst filter plate 27. A slot 54 is provided in the mounting block 34. A disassembly rod 31 is slidably fitted on the purification box 1. An insertion block 55 is fixed to the end of the disassembly rod 31. An electromagnet 33 is installed in the insertion block 55. The insertion block 55 corresponds to the slot 54. A clamping block 30 is elastically fitted in the mounting block 34. The clamping block 30 corresponds to the insertion block 55 and the catalyst filter plate 27. Grooves 28 are provided on both sides of the slot 54. The grooves 28 correspond to the clamping blocks 30. A first spring 29 is fixed between the grooves 28 and the clamping blocks 30.

[0042] Specifically, when the catalyst filter plate 27 needs to be disassembled and replaced, the disassembly rod 31 is slid downwards, causing the insertion block 55 to move downwards and enter the slot 54. The electromagnet 33 is energized, causing the insertion block 55 to adhere to and fix the mounting block 34. Then, the disassembly rod 31 is pulled upwards, causing the mounting block 34 to move upwards and thus pull the mounting block 34 outwards, thereby pulling the catalyst filter plate 27 outwards. This allows for the disassembly and replacement of the catalyst filter plate 27. During the pulling process, the first spring 29 constantly pushes the clamping block 30 to contact the mounting block 34 or the catalyst filter plate 27. The clamping block 30 squeezes the catalyst filter plate 27, which can prevent air leakage between the catalyst filter plate 27 and the heating box 56 to a certain extent, thus ensuring the sealing effect. This allows for the disassembly and replacement of the catalyst filter plate 27 while heating and purifying.

[0043] A connecting pipe is installed between the air outlet pipe 35 and the movable pipe 36. The two ends of the connecting pipe are threaded into the air outlet pipe 35 and the movable pipe 36 respectively. The connecting pipe is a flexible hose, and the plugging structure corresponds to the connecting pipe.

[0044] Specifically, for waste gas that needs to be circulated and purified, the connecting pipe is connected to the outlet pipe 35 and the movable pipe 36, so that the outlet pipe 35 and the movable pipe 36 are connected through the connecting pipe. At this time, the waste gas blown out from the outlet pipe 35 enters the movable pipe 36, and then enters the condenser pipe 5 or water again, so that the waste gas can be purified again, further improving the purification effect of the waste gas, thereby preventing the exhaust waste gas from containing harmful substances that pollute the air. Alternatively, the hotter waste gas can be passed into the condenser pipe 5 for cooling, and the first valve 7 and the second valve 8, which are located further away, can be opened to exhaust the gas, thereby cooling the waste gas that needs to be discharged, thus recovering the heating energy and reducing energy waste.

[0045] The blocking structure includes a blocking block 40 installed in the movable tube 36 and a baffle 49. The blocking block 40 has a conical structure. The baffle 49 is fixedly connected to the movable tube 36. A blocking plate 51 is fixed on the blocking block 40. Multiple second springs 50 are fixed between the blocking plate 51 and the baffle 49. A second connecting port 37 is opened in the baffle 49, and the second connecting port 37 corresponds to the blocking block 40. Multiple third connecting ports 38 are opened in the blocking plate 51.

[0046] Specifically, when the connecting pipe is connected, the connecting pipe presses down on the blocking plate 51, causing the blocking plate 51 to move the blocking block 40 downwards. The second spring 50 is compressed, creating a gap between the blocking block 40 and the second connecting port 37. This allows the second connecting port 37 and the third connecting port 38 to connect, ensuring the circulation of exhaust gas. When the connecting pipe is not connected, the second spring 50 rebounds and pushes the blocking block 40 to completely block the second connecting port 37, thus sealing the movable pipe 36 and preventing exhaust gas from being directly discharged from the movable pipe 36, ensuring the purification effect of the exhaust gas.

[0047] One end of the movable tube 36 is fixed to the outer side of the purification box 1, and the other end of the movable tube 36 is located inside the water tank 2. The movable tube 36 is slidably connected to the movable block 4, which is located between the air inlet pipe 3 and the condenser pipe 5. The movable block 4 is fixedly connected to the air inlet pipe 3 and the condenser pipe 5. A connecting structure is provided inside the movable tube 36, including a fourth connecting port 39 and a fifth connecting port 41. The fourth connecting port 39 is connected to the air inlet pipe 3, and the fifth connecting port 41 is connected to the condenser pipe 5. A sixth connecting port 48 is provided inside the movable tube 36, which corresponds to the air inlet pipe 3 and is located above the fourth connecting port 39.

[0048] Specifically, during condensation purification, exhaust gas is introduced through the inlet pipe 3, enters the fourth connecting port 39, and is then blown out from the fifth connecting port 41, thus entering the condenser pipe 5 for condensation purification. When it is necessary to directly purify the exhaust gas in water, the movable pipe 36 is slid downwards, causing it to move downwards and connecting the sixth connecting port 48 to the inlet pipe 3. At this time, both the fourth connecting port 39 and the fifth connecting port 41 are located in the water body, allowing the exhaust gas to be blown from the inlet pipe 3 into the sixth connecting port 48, and then into the water through the fourth connecting port 39 and the fifth connecting port 41, thus purifying the exhaust gas with water.

[0049] Workflow: When exhaust gas purification is required, exhaust gas is introduced through inlet pipe 3, enters the fourth connecting port 39, and then is blown out from the fifth connecting port 41, thus entering the condenser pipe 5. The exhaust gas is then purified by condensation through the condenser pipe 5. Water is added to the water tank 2 through inlet 52 and discharged through outlet 53. During condensation purification, the water in the water tank 2 cools the gas in the condenser pipe 5, achieving a certain condensation effect. This condensation process purifies the para-methylenetetramethylbenzene exhaust gas. The condensate produced by condensation in the condenser pipe 5 is discharged through drain pipe 6 to prevent condensate from remaining in the condenser pipe 5 and affecting the condensation process, ensuring the condensation effect and guaranteeing the purification of the para-methylenetetramethylbenzene exhaust gas. To improve the treatment effect, when discharging condensate, the first valve 7 and the second valve 8 can be opened indirectly, allowing condensate to flow from the condenser pipe 5 to between the first valve 7 and the second valve 8. Then, the first valve 7 is closed and the second valve 8 is opened, allowing the condensate between the first valve 7 and the second valve 8 to flow out. This allows for the discharge of condensate under sealed conditions, achieving simultaneous condensation and condensate discharge. Then, the exhaust gas is blown out through the condenser pipe 5 and enters the water tank 2 above the water surface. The exhaust gas is blown out through the first connecting port 9 and then enters the UV photolysis chamber 10 through the air inlet 11. The UV photolysis chamber 10 then performs photolysis on the condensed and purified exhaust gas, thereby improving the exhaust gas treatment effect. The UV lamp 15 is then energized, allowing the UV... Lamp 15 emits light, thus working in conjunction with photocatalytic filter plate 16 to improve the photolysis effect on mesitylene waste gas. When photocatalytic filter plate 16 needs to be replaced, pull the mounting bracket upwards to separate the locking block 17 from the locking slot 18, thereby pulling out the upper bracket 13 and simultaneously pulling out the lower bracket 14, allowing the photocatalytic filter plate 16 to be easily replaced. The waste gas purified by the UV photolysis chamber 10 then enters the connecting pipe 19. Starting the fan 20 blows the waste gas into the heating chamber 56 for heating and purification. The waste gas entering the heating chamber 56 can be heated by the heating pipe 24. The waste gas is connected to the catalyst filter plate 27. In a relatively hot environment, the catalyst filter plate 27 undergoes a rapid oxidation-reduction reaction, thereby purifying the exhaust gas. One catalyst filter plate 27 can be removed individually, allowing the other catalyst filter plates 27 to maintain their purification effect. This facilitates replacement of the catalyst filter plate 27. To remove or replace the catalyst filter plate 27, slide the removal rod 31 downwards, causing the insertion block 55 to move downwards and enter the slot 54. Energize the electromagnet 33, causing the insertion block 55 to adhere to and fix the mounting block 34. Then, pull the removal rod 31 upwards, causing the mounting block 34 to move upwards, thus pulling the mounting block 34 outwards, and consequently, pulling out the catalyst filter plate 27.This allows for the disassembly and replacement of the catalyst filter plate 27. During the pulling process, the first spring 29 continuously pushes the clamping block 30 into contact with the mounting block 34 or the catalyst filter plate 27. The clamping block 30 compresses the catalyst filter plate 27, which can, to a certain extent, prevent air leakage from the gap between the catalyst filter plate 27 and the heating box 56, ensuring a sealing effect.

[0050] For waste gas directly purified by water, the movable pipe 36 is slid downwards, causing it to move downwards and connect the sixth connecting port 48 to the air inlet pipe 3. At this time, the fourth connecting port 39 and the fifth connecting port 41 are both located in the water body, allowing the waste gas to be blown from the air inlet pipe 3 into the sixth connecting port 48, and then into the water through the fourth connecting port 39 and the fifth connecting port 41. Water enters through the water inlet 52 and exits through the water outlet 53, ensuring water flow and thus guaranteeing the purification effect on the waste gas. This allows the water flow to effectively purify the waste gas, reducing the content of harmful substances in the waste gas. Wastewater can also be discharged through the water outlet 53, facilitating wastewater treatment. The waste gas is blown out of the water and then enters the UV photolysis box 10 and the heating box 56 for further treatment, thus achieving better purification of the waste gas.

[0051] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A purification device for waste gas from the production of mesitylene, comprising a purification chamber (1), characterized in that, The purification chamber (1) is equipped with a water tank (2), a UV photolysis chamber (10), and a heating chamber (56). The water tank (2) is equipped with a condensation structure and a movable block (4). The movable block (4) is equipped with a movable tube (36). An air inlet pipe (3) is fixed on one side of the purification chamber (1). The air inlet pipe (3) and the condensation structure are corresponding to the movable tube (36). The UV photolysis chamber (10) is equipped with multiple mounting brackets. The mounting brackets are equipped with purification structures. A snap-fit ​​fixing structure is installed between the mounting brackets and the UV photolysis chamber (10). The heating chamber (56) is equipped with a rotating turntable (23). A catalytic structure is installed on the turntable (23). The heating chamber (56) is equipped with a heating structure. The purification chamber (1) is equipped with an air outlet pipe (35). (35) is connected to the heating box (56). The air outlet pipe (35) corresponds to the movable pipe (36). The movable pipe (36) is equipped with a blocking structure. The condensation structure includes a condenser pipe (5). The condenser pipe (5) is connected to the air inlet pipe (3) and is an S-shaped structure. Multiple drain pipes (6) are fixed at the bottom of the condenser pipe (5). A first valve (7) and a second valve (8) are fixed inside the drain pipe (6). The water tank (2) is filled with water. An inlet (52) and an outlet (53) are opened on one side of the water tank (2). The inlet (52) and the outlet (53) are both connected to the water tank (2). The water level in the water tank (2) is below the air inlet pipe (3). A first connecting port (9) is opened at the top of the water tank (2). UV photolysis box (10) Multiple air inlets (11) are provided on the side. A disassembly groove (12) is provided on the top of the purification box (1). The disassembly groove (12) corresponds to the mounting frame. The mounting frame includes an upper bracket (13) and a lower bracket (14). The purification structure includes a photocatalytic filter plate (16) and multiple UV lamps (15) fixed between the upper bracket (13) and the lower bracket (14). The snap-fit ​​fixing structure includes multiple clips (17) fixed on the upper bracket (13). Multiple slots (18) are provided inside the UV photolysis box (10). The slots (18) correspond to the clips (17). A connecting pipe (19) is fixed between the UV photolysis box (10) and the heating box (56). The connecting pipe (19) is connected to the UV photolysis box (10) and the heating box (56). 56) Connected, a fan (20) is fixed inside the connecting pipe (19), a drive chamber (22) is opened inside the heating box (56), a motor (21) is fixed inside the drive chamber (22), the output end of the motor (21) is fixedly connected to the turntable (23), a number of partitions (25) are fixed on the turntable (23), the partitions (25) correspond to the catalytic structure, the catalytic structure includes a number of catalyst filter plates (27), a sliding groove (26) is opened between two adjacent partitions (25), the sliding groove (26) corresponds to the catalyst filter plate (27), an installation block (34) is fixed on the top of the catalyst filter plate (27), a slot (54) is opened in the installation block (34), and a disassembly rod (31) is slidably fitted on the purification box (1).The end of the disassembly rod (31) is fixed with a plug (55), and an electromagnet (33) is installed inside the plug (55). The plug (55) corresponds to the slot (54). A clamping block (30) is elastically fitted inside the mounting block (34). The clamping block (30) corresponds to the plug (55) and the catalyst filter plate (27). Grooves (28) are provided on both sides of the slot (54). The grooves (28) correspond to the clamping blocks (30). A first spring (29) is fixed between the grooves (28) and the clamping blocks (30). A connecting pipe is installed between the exhaust pipe (35) and the movable pipe (36). The two ends of the connecting pipe are threaded to the exhaust pipe (35) and the movable pipe (36) respectively. The connecting pipe is a flexible hose. The blocking structure corresponds to the connecting pipe. The blocking structure includes a plug (40) and a baffle installed inside the movable pipe (36). 49), the block (40) is a conical structure, the baffle (49) is fixedly connected to the movable tube (36), the block (40) is fixed with a block plate (51), and multiple second springs (50) are fixed between the block plate (51) and the baffle (49). A second connecting port (37) is opened in the baffle (49), and the second connecting port (37) corresponds to the block (40). Multiple third connecting ports (38) are opened in the block plate (51). One end of the movable tube (36) is located on the opposite outer side of the purification box (1), and the other end of the movable tube (36) is located in the water tank (2). The movable tube (36) is slidably connected to the movable block (4). The movable block (4) is located between the air inlet pipe (3) and the condenser pipe (5). The movable block (4) is fixedly connected to the air inlet pipe (3) and the condenser pipe (5). A connecting structure is opened in the movable tube (36).

2. The waste gas purification equipment for mesitylene production according to claim 1, characterized in that: The communication structure includes a fourth communication port (39) and a fifth communication port (41) opened in the movable tube (36). The fourth communication port (39) is connected to the air intake pipe (3), and the fifth communication port (41) is connected to the condenser pipe (5). A sixth communication port (48) is opened in the movable tube (36). The sixth communication port (48) corresponds to the air intake pipe (3) and is located above the fourth communication port (39).

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