Energy-saving and environment-friendly pharmaceutical waste gas treatment equipment

Abstract

The invention relates to the field of pharmaceutical waste gas treatment equipment, and discloses energy-saving and environment-friendly pharmaceutical waste gas treatment equipment which comprises a first treatment chamber. A plurality of heat exchange plates are evenly and fixedly installed in the folding type coil air pipe, the heat exchange plates divide the interior of the folding type coil air pipe into air flow channels and water flow channels which are arranged in a staggered mode, a catalysis ring body is arranged on the other side of the interior of the first treatment chamber, and a plurality of honeycomb holes are formed in the catalysis ring body; a second treatment chamber is fixedly mounted on one side of the first treatment chamber, and the second treatment chamber is communicated with the inner side end of the bottom of the first treatment chamber through a communicating pipe. Efficient heat exchange cooling is achieved through the folding type coil air pipe, mechanical linkage energy saving is achieved through combustion heat energy, catalytic combustion, multi-stage purification and automatic adjustment are combined, energy consumption is reduced, the service life of a medium is prolonged, and it is ensured that waste gas treatment reaches the standard efficiently and comprehensively.

Description

Technical Field

[0001] The present invention relates to the field of pharmaceutical waste gas treatment equipment, in particular to energy-saving and environmentally friendly pharmaceutical waste gas treatment equipment. Background Art

[0002] The pharmaceutical industry generates waste gases with complex compositions and high levels of pollution during production. Directly discharging these gases without effective treatment not only severely pollutes the atmosphere but can also harm human health. With increasingly stringent environmental protection requirements, efficient, energy-saving, and environmentally friendly pharmaceutical waste gas treatment technologies have become a key issue that the industry urgently needs to address.

[0003] Currently, traditional pharmaceutical waste gas treatment equipment has numerous shortcomings in practical application. For one thing, waste gas often contains high-temperature components, and existing cooling treatment equipment has low heat exchange efficiency, failing to quickly cool the waste gas to an appropriate temperature range. This results in the subsequent use of adsorbents or catalysts, which are exposed to high temperatures for a long time, leading to performance degradation and shortened service life. Furthermore, water vapor in the high-temperature waste gas is difficult to effectively condense and remove, which can easily cause clogging of the adsorption material, affecting the stability and effectiveness of the entire treatment process.

[0004] On the other hand, in the catalytic combustion treatment of exhaust gas, the structural design of traditional catalytic devices is not rational. For example, the contact area between the gas and the catalyst in the catalytic reaction chamber is limited, resulting in low heat exchange efficiency, which leads to incomplete combustion reaction. This not only increases energy consumption but also makes it difficult to completely decompose pollutants in the exhaust gas. Moreover, the excess heat generated during the combustion process is often directly wasted and not effectively utilized, increasing the operating costs of the equipment.

[0005] Furthermore, traditional treatment equipment also has shortcomings in its multi-stage exhaust gas purification. There is a lack of systematic and comprehensive treatment solutions for sulfur and nitrogen pollutants, acidic and alkaline gases, and volatile organic compounds in the exhaust gas. The single-minded treatment process makes it difficult to ensure the effective removal of all types of pollutants, resulting in exhaust gases failing to meet increasingly stringent environmental emission standards. Furthermore, during operation, the equipment struggles to automatically maintain the wetness of desulfurization and denitrification packing, requiring frequent manual adjustments. This increases maintenance workload and costs, and also impacts operational stability. Summary of the Invention

[0006] In response to the shortcomings of the existing technology, the present invention provides an energy-saving and environmentally friendly pharmaceutical waste gas treatment equipment, which solves the problems of low heat exchange efficiency, high energy consumption, incomplete purification, and manual maintenance of fillers in traditional pharmaceutical waste gas treatment equipment. It achieves efficient cooling, catalytic combustion energy saving, multi-stage purification and automatic adjustment to ensure that waste gas emissions meet emission standards.

[0007] To achieve the above objectives, the present invention is implemented through the following technical solutions: an energy-saving and environmentally friendly pharmaceutical waste gas treatment equipment, comprising a first treatment chamber, a foldable coiled air duct is fixedly installed on one side of the interior of the first treatment chamber, a plurality of heat exchange plates are evenly fixedly installed on the interior of the foldable coiled air duct, and the heat exchange plates divide the interior of the foldable coiled air duct into air flow channels and water flow channels that are staggered with each other, an igniter is fixedly installed on the inner middle part of the first treatment chamber, a catalytic ring body is provided on the other side of the interior of the first treatment chamber, a plurality of honeycomb holes are provided inside the catalytic ring body, a second treatment chamber is fixedly installed on one side of the first treatment chamber, the second treatment chamber is connected to the inner side end of the bottom of the first treatment chamber through a connecting pipe, water troughs are provided on both sides of the inner top of the second treatment chamber, a short shaft is movably installed on the inner top of the water trough, and a multi-leaf brush plate is fixedly installed on the bottom end of the short shaft, a partition is fixedly installed on the inner middle part of the second treatment chamber, and desulfurization and denitrification fillers are fixedly installed at positions on both sides of the partition in the interior of the second treatment chamber.

[0008] Preferably, guide plates are fixedly installed on the upper and lower sides of the interior of the air flow channel near the corners, one end of the water flow channel is connected through a multi-way pipe and a cooling water inlet pipe is fixedly installed on the outer end of the multi-way pipe, the other end of the water flow channel is connected through a multi-way pipe and a cooling water outlet pipe is fixedly installed on the outer end of the multi-way pipe, an air inlet pipe is fixedly installed at the top opening of the foldable coil air duct and the end of the air inlet pipe extends to the outside of the first treatment chamber, an air outlet is provided at the bottom end of the foldable coil air duct and an air outlet pipe is fixedly installed at the end of the air outlet and the end of the air outlet pipe extends to the interior of the catalytic ring body.

[0009] Preferably, a movable shaft is movably mounted on one side of the inner top of the first treatment chamber close to the catalytic ring body and the bottom end of the movable shaft is fixedly mounted on one end of the catalytic ring body, and the other end of the movable shaft extends to the outside of the first treatment chamber and is fixedly mounted with a first driven bevel gear.

[0010] Preferably, a first chamber is fixedly installed on one side of the first treatment chamber close to the catalytic ring body, a first cylinder body is fixedly installed on the bottom end of the first chamber, a first piston rod is movably installed inside the first cylinder body, a displacer is fixedly installed on the bottom end of the first piston rod, a second cylinder body is fixedly installed on one end of the first treatment chamber close to the displacer, a second chamber is fixedly installed on the bottom end of the second cylinder body, the first chamber and the second chamber are connected by a return pipe, a plurality of cooling fins are fixedly installed on the outer diameter of the second chamber, a piston block is movably installed inside the second cylinder body, and a second piston rod is fixedly installed on the middle part of the top end of the piston block.

[0011] Preferably, a transmission shaft is movably mounted on the top of the first processing chamber through a bearing seat, a first cam is fixedly mounted on the outer diameter of one side of the transmission shaft, a first connecting rod is movably mounted on the end of the first cam, and the end of the first connecting rod is movably mounted on the top of the first piston rod, a second cam is fixedly mounted on the outer diameter of the other side of the transmission shaft, a second connecting rod is movably mounted on the end of the second cam, and the end of the second connecting rod is movably mounted on the top of the second piston rod, a first driving bevel gear is fixedly mounted on one end of the transmission shaft and the first driving bevel gear is meshed and connected with the inner end of the first driven bevel gear, and a second driving bevel gear is fixedly mounted on the other side of the transmission shaft.

[0012] Preferably, a driven gear is fixedly mounted on the upper outer diameter of the short shaft, a rotating shaft is movably mounted on the middle part of the inner top of the second processing chamber, a driving gear is fixedly mounted on the bottom end of the rotating shaft and both ends of the driving gear are meshed and connected with the inner ends of the two driven gears, the top end of the rotating shaft extends to the outside of the second processing chamber and is fixedly mounted with a second driven bevel gear, and the second driven bevel gear is meshed and connected with the inner end of the second driving bevel gear.

[0013] Preferably, a connecting port is provided at the inner top of the partition, an exhaust pipe is fixedly installed on the side of the bottom of the second treatment chamber away from the first treatment chamber, an activated carbon filter cartridge is fixedly installed inside the exhaust pipe, and the end of the activated carbon filter cartridge is fixedly installed on the input end of the negative pressure fan, and neutralization liquid inlet pipes are fixedly installed on both sides of the front end of the second treatment chamber, and the ends of the neutralization liquid inlet pipes extend to the interior of the water tank on the corresponding side.

[0014] The present invention provides an energy-saving and environmentally friendly pharmaceutical waste gas treatment device. It has the following beneficial effects:

[0015] 1. The present invention combines a foldable coil duct with a heat exchange plate to separate the interior of the coil duct into staggered air flow channels and water flow channels, effectively preventing damage to the subsequent adsorbent or catalyst by high-temperature exhaust gas. At the same time, water is removed by condensation to prevent water vapor from clogging the adsorption material, thereby extending the service life of the relevant treatment medium and ensuring the stable operation of the subsequent treatment process.

[0016] 2. The present invention provides honeycomb holes within the catalytic ring, effectively improving heat exchange efficiency. Exhaust gas is catalytically decomposed into carbon dioxide and water at high temperatures by the catalytic ring. The honeycomb holes increase the contact area between the exhaust gas and the catalyst, enabling a more complete combustion reaction and reducing energy consumption. Furthermore, the excess heat generated by combustion is cleverly utilized by heating the air within the first cylinder, driving a series of mechanical structures to rotate the catalytic ring, further increasing the contact area between the catalytic ring and the exhaust gas. This improves combustion reaction efficiency and ensures a more complete catalytic combustion process, achieving both efficient exhaust gas treatment and energy conservation.

[0017] 3. The present equipment performs multi-stage purification of waste gas. In the second treatment chamber, desulfurization and denitrification packing first removes sulfur and nitrogen pollutants from the waste gas. A multi-blade brush then disperses the neutralizing liquid into fine droplets, which fully contact the waste gas to initiate a neutralization reaction, removing acidic and alkaline waste gases. Finally, activated carbon filtration removes volatile organic compounds and odorous organic compounds. This multi-stage purification approach targets various types of waste gas pollutants from different perspectives, ensuring comprehensive and efficient waste gas treatment and ensuring that the final exhaust gas meets high environmental standards. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 A perspective view of the present invention;

[0019] Figure 2 It is a schematic diagram of the internal structure of the present invention;

[0020] Figure 3 Schematic diagram of the internal structure of the foldable coil air duct in the present invention;

[0021] Figure 4 Schematic diagram of the structure of the catalytic ring body of the present invention;

[0022] Figure 5 Schematic diagram of the internal structure of the first cylinder in the present invention;

[0023] Figure 6 Schematic diagram of the internal structure of the second processing chamber in the present invention.

[0024] Among them, 1. first treatment chamber; 2. foldable coil air duct; 3. heat exchange plate; 4. air flow channel; 5. water flow channel; 6. cooling water inlet pipe; 7. cooling water outlet pipe; 8. guide plate; 9. air outlet; 10. air inlet pipe; 11. air outlet pipe; 12. igniter; 13. catalytic ring; 14. honeycomb hole; 15. movable shaft; 16. first driven bevel gear; 17. first chamber; 18. first cylinder; 19. first piston rod; 20. displacer; 21. second cylinder; 22. second chamber; 23. heat sink fin; 24. piston block; 25. Second piston rod; 26. Transmission shaft; 27. First cam; 28. First connecting rod; 29. ​​Second cam; 30. Second connecting rod; 31. First driving bevel gear; 32. Second driving bevel gear; 33. Second treatment chamber; 34. Connecting pipe; 35. Water tank; 36. Short shaft; 37. Multi-leaf brush plate; 38. Driven gear; 39. Rotating shaft; 40. Driving gear; 41. Second driven bevel gear; 42. Partition; 43. Desulfurization and denitrification filler; 44. Connecting port; 45. Exhaust pipe; 46. Activated carbon filter cartridge; 47. Negative pressure fan; 48. Neutralization liquid inlet pipe. DETAILED DESCRIPTION

[0025] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0026] Example:

[0027] Please see the attached Figure 1 -Attached Figure 6 The embodiment of the present invention provides an energy-saving and environmentally friendly pharmaceutical waste gas treatment device, such as Figure 1 As shown, it includes a first treatment chamber 1, which serves as the starting core space of the entire waste gas treatment process. A foldable coiled air duct 2 is fixedly installed on one side of the interior thereof. The foldable coiled air duct 2 is made of high-temperature resistant and corrosion-resistant metal material, and a number of heat exchange plates 3 are evenly fixedly installed inside the foldable coiled air duct. These heat exchange plates 3 are connected to the inner wall of the coiled air duct through a precision welding process, and the heat exchange plates 3 divide the interior of the foldable coiled air duct 2 into wind channels 4 and water channels 5 that are staggered with each other. Among them, the wind channels 4 are used to guide the flow of pharmaceutical waste gas, and the water channels 5 are responsible for transmitting cooling water. The staggered design of the two creates conditions for efficient heat exchange. An igniter 12 is fixedly installed in the middle of the first treatment chamber 1. The igniter 12 has automatic ignition and flame monitoring functions, and can stably ignite the waste gas for catalytic combustion reaction. A catalytic ring body 13 is provided on the other side of the interior of the first treatment chamber 1. The catalytic ring body 13 is made of special high-temperature resistant ceramic material, and a number of honeycomb holes 14 are opened inside it. One side of the first treatment chamber 1 is fixedly installed A second treatment chamber 33 is provided, and the second treatment chamber 33 is connected to the inner side end of the bottom of the first treatment chamber 1 through a connecting pipe 34. The connecting pipe 34 is used to transport the waste gas that has been preliminarily treated in the first treatment chamber 1 to the second treatment chamber 33. Water tanks 35 are provided on both sides of the inner top of the second treatment chamber 33. The water tanks 35 are used to store the neutralization liquid. The internal space is specially designed to ensure the stability of liquid storage and spraying. The inner top of the water tank 35 is movably installed with a short shaft 36, and the bottom end of the short shaft 36 is fixedly installed. There is a multi-leaf brush plate 37, which is made of high-strength plastic. The blades are at a special tilt angle, which can efficiently disperse the neutralization liquid. A partition 42 is fixedly installed in the middle of the second treatment chamber 33. The partition 42 divides the second treatment chamber 33 into two independent purification areas. The interior of the second treatment chamber 33 is fixed with desulfurization and denitrification fillers 43 on both sides of the partition 42. The desulfurization and denitrification fillers 43 are made of special materials with high activity and strong adsorption, which can effectively remove sulfur and nitrogen pollutants in the exhaust gas.

[0028] In this embodiment, guide plates 8 are fixedly installed on the upper and lower sides of the interior of the wind channel 4 near the corners. The guide plates 8 are arc-shaped and their function is to guide the exhaust gas to flow evenly in the wind channel 4 to avoid dead corners of air flow. One end of the water channel 5 is connected through a multi-way pipe and a cooling water inlet pipe 6 is fixedly installed on the outer end of the multi-way pipe. The cooling water inlet pipe 6 is connected to the external cooling water circulation system for introducing cooling water into the water channel 5; the other end of the water channel 5 is connected through a multi-way pipe and a cooling water outlet pipe 7 is fixedly installed on the outer end of the multi-way pipe. The cooling water outlet pipe 7 discharges the cooling water after absorbing heat. An air inlet pipe 10 is fixedly installed at the top opening of the foldable coil air duct 2, and the end of the air inlet pipe 10 extends to the outside of the first treatment chamber 1. The air inlet pipe 10 is used to connect the waste gas generated in the pharmaceutical production process. An air outlet 9 is provided at the bottom end of the foldable coil air duct 2, and an air outlet pipe 11 is fixedly installed at the end of the air outlet 9, and the end of the air outlet pipe 11 extends to the interior of the catalytic ring body 13. The air outlet pipe 11 transports the cooled waste gas to the catalytic ring body 13 for catalytic combustion.

[0029] Specifically, the waste gas generated by pharmaceutical production is introduced into the foldable coil duct 2 through the air inlet pipe 10, and the air inlet pipe 10 is connected to the waste gas discharge pipe of the pharmaceutical production workshop. At the same time, the negative pressure fan 47 is turned on. The negative pressure fan 47 controls the flow of waste gas in the equipment by generating negative pressure, and then introduces cooling water into the water flow channel 5 through the cooling water inlet pipe 6 and discharges it through the cooling water outlet pipe 7. The cooling water forms a circulating flow in the water flow channel 5, and the waste gas flows in the air flow channel 4. The heat exchange plate 3 and the cooling water are used for sufficient heat exchange and cooling. The spiral design of the foldable coil duct 2 greatly increases the contact area and contact time between the waste gas and the cooling water, and can quickly cool the waste gas to a suitable temperature, effectively avoiding the damage of high-temperature waste gas to the later adsorbent or catalyst. At the same time, during the heat exchange process, the water vapor in the waste gas will condense to achieve the dehydration function, thereby preventing the water vapor generated in the later stage from clogging the adsorption material.

[0030] Furthermore, a movable shaft 15 is movably installed on one side of the inner top of the first treatment chamber 1 close to the catalytic ring body 13, and the bottom end of the movable shaft 15 is fixedly installed on one end of the catalytic ring body 13. The movable shaft 15 is installed on the top of the first treatment chamber 1 through a high-precision bearing and can achieve stable rotation. The other end of the movable shaft 15 extends to the outside of the first treatment chamber 1 and is fixedly installed with a first driven bevel gear 16. The first driven bevel gear 16 is used to engage with the active bevel gear for transmission, thereby driving the catalytic ring body 13 to rotate.

[0031] Furthermore, a first chamber 17 is fixedly installed on one side of the interior of the first treatment chamber 1 close to the catalytic ring body 13. The first chamber 17 is used to store and transmit the heated gas. A first cylinder 18 is fixedly installed on the bottom end of the first chamber 17. The first cylinder 18 is made of high-strength alloy material and can withstand the pressure generated by the expansion of the internal gas. A first piston rod 19 is movably installed inside the first cylinder 18. The first piston rod 19 is sealed to the inner wall of the first cylinder 18 by a precision seal to ensure that the gas does not leak. A displacer 20 is fixedly installed on the bottom end of the first piston rod 19. The displacer 20 is used to promote the flow of gas between the chambers. One end of the first treatment chamber 1 close to the displacer 20 is fixed A second cylinder 21 is fixedly installed, and a second chamber 22 is fixedly installed at the bottom end of the second cylinder 21. The first chamber 17 and the second chamber 22 are connected by a return pipe. The return pipe is used to realize the circulation of gas between the two chambers. A number of heat dissipation fins 23 are fixedly installed on the outer diameter of the second chamber 22. The heat dissipation fins 23 are made of metal material with good thermal conductivity and can quickly dissipate the heat of the gas. A piston block 24 is movably installed inside the second cylinder 21. The piston block 24 and the inner wall of the second cylinder 21 are also sealed by a seal. A second piston rod 25 is fixedly installed in the middle of the top end of the piston block 24. The second piston rod 25 is used to transmit the movement of the piston block 24.

[0032] Furthermore, a transmission shaft 26 is movably mounted on the top of the first processing chamber 1 through a bearing seat. The bearing seat ensures the stability and accuracy of the rotation of the transmission shaft 26. A first cam 27 is fixedly mounted on the outer diameter of one side of the transmission shaft 26. A first connecting rod 28 is movably mounted on the end of the first cam 27. The end of the first connecting rod 28 is movably mounted on the top of the first piston rod 19. Through this connection method, the rotational motion of the first cam 27 can be converted into a linear reciprocating motion of the first piston rod 19. A second cam 29 is fixedly mounted on the outer diameter of the other side of the transmission shaft 26. A second connecting rod 30 is movably installed at the end, and the end of the second connecting rod 30 is movably installed at the top end of the second piston rod 25. Similarly, the rotational movement of the second cam 29 can drive the second piston rod 25 to move. A first driving bevel gear 31 is fixedly installed at one end of the transmission shaft 26, and the first driving bevel gear 31 is meshed and connected with the inner end of the first driven bevel gear 16. Power transmission is achieved through gear meshing, driving the catalytic ring body 13 to rotate. A second driving bevel gear 32 is fixedly installed on the other side of the transmission shaft 26, and the second driving bevel gear 32 is used to transmit power to the second processing chamber 33.

[0033] Specifically, the excess heat generated during combustion is transferred to the first cylinder 18, heating the air in the first cylinder 18. The air in the first cylinder 18 expands rapidly due to the heat, and the pressure generated pushes the displacer 20 to move upward, and drives the first piston rod 19 to move. The first piston rod 19 drives one end of the first connecting rod 28 to move accordingly, so that the other end of the first connecting rod 28 drives the transmission shaft 26 to rotate through the first cam 27. The rotating transmission shaft 26 drives the first piston rod 19 and the displacer 20 downward in the opposite direction through the first cam 27, and the heated gas in the first cylinder 18 is expelled into the second chamber 22 through the first chamber 17 and the return pipe. The gas is quickly dissipated in the second chamber 22 through the heat dissipation fins 23, resulting in the second chamber 22 The internal air pressure decreases, and the external atmospheric pressure pushes the piston block 24 downward, and drives the second cam 29 to rotate through the second piston rod 25 and the second connecting rod 30. At the same time, the displacer 20 is driven to the lower part of the first cylinder body 18, and the gas in the second chamber 22 is reversely expelled into the first cylinder body 18 through the return pipe and the first chamber 17, and absorbs heat and expands again. This process is circulated continuously, driving the transmission shaft 26 to rotate continuously. When the transmission shaft 26 rotates, it drives the first driving bevel gear 31 to rotate. The rotating first driving bevel gear 31 drives the first driven bevel gear 16 and the movable shaft 15 to rotate through meshing transmission, thereby driving the catalytic ring body 13 to rotate continuously. The rotating catalytic ring body 13 further increases the contact surface with the exhaust gas, making the catalytic combustion process more sufficient.

[0034] Furthermore, a driven gear 38 is fixedly mounted on the upper outer diameter of the short shaft 36, and the driven gear 38 is used to mesh with the driving gear for transmission. A rotating shaft 39 is movably mounted in the middle of the inner top of the second processing chamber 33, and the rotating shaft 39 is mounted on the top of the second processing chamber 33 through a bearing to ensure smooth rotation. A driving gear 40 is fixedly mounted on the bottom end of the rotating shaft 39, and both ends of the driving gear 40 are meshed and connected with the inner ends of the two driven gears 38, driving the short shaft 36 and the multi-leaf brush plate 37 to rotate through gear transmission. The top end of the rotating shaft 39 extends to the outside of the second processing chamber 33 and is fixedly mounted with a second driven bevel gear 41. The second driven bevel gear 41 is meshed and connected with the inner end of the second driving bevel gear 32, thereby realizing the transmission of power from the first processing chamber 1 to the second processing chamber 33.

[0035] Furthermore, a connecting port 44 is provided at the inner top of the partition 42, and the connecting port 44 is used to guide the exhaust gas to flow between different purification areas of the second treatment chamber 33. An exhaust duct 45 is fixedly installed on the side of the bottom of the second treatment chamber 33 away from the first treatment chamber 1. The exhaust duct 45 is used to discharge the treated exhaust gas out of the equipment. An activated carbon filter cartridge 46 is fixedly installed inside the exhaust duct 45. The activated carbon filter cartridge 46 adopts highly adsorbable activated carbon material, which can effectively remove volatile organic compounds and odorous organic compounds in the exhaust gas. The end of the activated carbon filter cartridge 46 is fixedly installed at the input end of the negative pressure fan 47. The negative pressure fan 47 provides power for the entire exhaust gas treatment process to ensure that the exhaust gas can flow smoothly in the equipment. Neutralizing liquid inlet pipes 48 are fixedly installed on both sides of the front end of the second treatment chamber 33, and the ends of the neutralizing liquid inlet pipes 48 extend to the interior of the corresponding side water tanks 35. The neutralizing liquid inlet pipes 48 are used to introduce acidic neutralizing liquid and alkaline neutralizing liquid into the water tanks 35 on both sides respectively.

[0036] Specifically, the exhaust gas after combustion treatment enters one side of the interior of the second treatment chamber 33 through the connecting pipe 34, and enters the desulfurization and denitrification filler 43 on one side, and then enters the desulfurization and denitrification filler 43 on the other side through the connecting port 44. At this time, the acidic neutralizing liquid and the alkaline neutralizing liquid are respectively introduced into the two water tanks 35 through the neutralizing liquid inlet pipe 48, and the transmission shaft 26 will also drive the second driving bevel gear 32 to rotate when rotating. The rotating second driving bevel gear 32 drives the second driven bevel gear 41 and the rotating shaft 39 to rotate through meshing transmission, thereby driving the driving gear 40 to rotate. The driving gear 40 will drive the driven gears 38 and the short shaft 36 on both sides to rotate, and then drive the two multi-leaf brush plates 37 to rotate. The high-speed rotating multi-leaf brush plates 37 will beat the neutralizing liquid entering the water tank 35 into fine water droplets, and mix with air to form high-speed water vapor fluid. These water vapor fluids will fully contact with the exhaust gas and undergo a neutralization reaction, effectively removing the acidic and alkaline exhaust gases in the exhaust gas.

[0037] Working principle: First, the waste gas generated by pharmaceutical production is introduced into the foldable coil duct 2 through the air inlet pipe 10. The air inlet pipe 10 is connected to the waste gas discharge pipe of the pharmaceutical production workshop. At the same time, the negative pressure fan 47 is turned on. The negative pressure fan 47 controls the flow of waste gas in the equipment by generating negative pressure. Then, cooling water is introduced into the water flow channel 5 through the cooling water inlet pipe 6 and discharged through the cooling water outlet pipe 7. The cooling water forms a circulation flow in the water flow channel 5, and the waste gas flows in the air flow channel 4. The heat exchange plate 3 and the cooling water are fully cooled by heat exchange. The spiral design of the foldable coil duct 2 greatly increases the contact area and contact time between the waste gas and the cooling water, which can quickly cool the waste gas to a suitable temperature, effectively avoiding the damage of high-temperature waste gas to the later adsorbent or catalyst. At the same time, during the heat exchange process, the water vapor in the exhaust gas will condense to achieve the dehydration function, preventing the water vapor generated later from clogging the adsorption material. The cooled exhaust gas enters the catalytic ring body 13 through the air outlet pipe 11. At this time, the igniter 12 is turned on, and the igniter 12 quickly ignites the exhaust gas, causing the exhaust gas to undergo catalytic combustion inside the catalytic ring body 13. The exhaust gas passes through the catalyst in the catalytic ring body 13 at high temperature and is catalytically decomposed into carbon dioxide and water. The catalytic ring body 13 with the honeycomb hole 14 design increases the contact area between the exhaust gas and the catalyst, significantly reducing energy consumption. In addition, the excess heat generated during combustion will be transferred to the first cylinder body 18, heating the air in the first cylinder body 18. The air in the first cylinder body 18 expands rapidly due to the heat, and the pressure generated pushes the displacer 20 moves upward and drives the first piston rod 19 to move. The first piston rod 19 drives one end of the first connecting rod 28 to move accordingly, so that the other end of the first connecting rod 28 drives the transmission shaft 26 to rotate through the first cam 27. The rotating transmission shaft 26 will reversely drive the first piston rod 19 and the displacer 20 downward through the first cam 27, and discharge the heated gas in the first cylinder body 18 into the second chamber 22 through the first chamber 17 and the return pipe. The gas is quickly dissipated through the heat dissipation fins 23 in the second chamber 22, resulting in a decrease in the air pressure in the second chamber 22. The external atmospheric pressure pushes the piston block 24 downward and drives the second cam 29 to rotate through the second piston rod 25 and the second connecting rod 30. At the same time, the displacer 20 is driven to the bottom of the first cylinder body 18 The gas in the second chamber 22 is reversely expelled into the first cylinder 18 through the reflux pipe and the first chamber 17, and absorbs heat and expands again. This process is circulated continuously, driving the transmission shaft 26 to rotate continuously. When the transmission shaft 26 rotates, it will drive the first active bevel gear 31 to rotate. The rotating first active bevel gear 31 drives the first driven bevel gear 16 and the movable shaft 15 to rotate through meshing transmission, thereby driving the catalytic ring body 13 to rotate continuously. The rotating catalytic ring body 13 further increases the contact surface with the exhaust gas, making the catalytic combustion process more complete. The exhaust gas after combustion treatment enters one side of the interior of the second treatment chamber 33 through the connecting pipe 34, and enters the desulfurization and denitrification filler 43 on one side, and then enters the desulfurization and denitrification filler 43 on the other side through the connecting port 44.At this time, the acidic neutralizing liquid and the alkaline neutralizing liquid are respectively introduced into the two water tanks 35 through the neutralizing liquid inlet pipe 48, and the transmission shaft 26 will also drive the second driving bevel gear 32 to rotate when rotating. The rotating second driving bevel gear 32 drives the second driven bevel gear 41 and the rotating shaft 39 to rotate through meshing transmission, thereby driving the driving gear 40 to rotate. The driving gear 40 will drive the driven gears 38 and the short shaft 36 on both sides to rotate, and then drive the two multi-leaf brush plates 37 to rotate. The high-speed rotating multi-leaf brush plates 37 will break the neutralizing liquid entering the water tank 35 into fine water droplets, and mix with air to form high-speed water vapor fluid, which will fully contact with the exhaust gas and neutralize it. The neutralization reaction effectively removes acidic and alkaline waste gases from the exhaust gas. The neutralization reaction produces salt solution and water. The salt solution will pass through the desulfurization and denitrification filler 43 and fall to the bottom of the second treatment chamber 33 for later collection. The water can keep the filler in a certain moist state. Studies have shown that properly moistened filler can increase the contact efficiency between the gas and the filler by 15%, which helps to improve the contact efficiency between the gas and the filler and promote the desulfurization and denitrification reaction. Finally, the treated exhaust gas is filtered through the activated carbon filter cartridge 46, which can effectively remove volatile organic compounds and odorous organic compounds therein, and is finally discharged through the output end of the negative pressure fan 47.

[0038] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. An energy-saving and environmentally friendly pharmaceutical waste gas treatment device, comprising a first treatment chamber (1), characterized in that: A folding coil air duct (2) is fixedly installed on one side of the interior of the first treatment chamber (1), and a plurality of heat exchange plates (3) are evenly fixedly installed inside the folding coil air duct (2), and the heat exchange plates (3) divide the interior of the folding coil air duct (2) into wind flow channels (4) and water flow channels (5) arranged in a staggered manner. An igniter (12) is fixedly installed in the middle of the interior of the first treatment chamber (1), and a catalytic ring body (13) is provided on the other side of the interior of the first treatment chamber (1), and a plurality of honeycomb holes (14) are opened inside the catalytic ring body (13). One side of the first treatment chamber (1) is fixed A second treatment chamber (33) is installed, and the second treatment chamber (33) is connected to the inner side end of the bottom of the first treatment chamber (1) through a connecting pipe (34). Water troughs (35) are provided on both sides of the inner top of the second treatment chamber (33). A short shaft (36) is movably installed on the inner top of the water trough (35), and a multi-leaf brush plate (37) is fixedly installed on the bottom end of the short shaft (36). A partition (42) is fixedly installed in the middle of the second treatment chamber (33), and desulfurization and denitrification fillers (43) are fixedly installed at positions on both sides of the partition (42) inside the second treatment chamber (33).

2. The energy-saving and environmentally friendly pharmaceutical waste gas treatment equipment according to claim 1 is characterized in that: Guide plates (8) are fixedly installed on the upper and lower sides of the interior of the air flow channel (4) near the corners, one end of the water flow channel (5) is connected through a multi-way pipe and a cooling water inlet pipe (6) is fixedly installed on the outer end of the multi-way pipe, the other end of the water flow channel (5) is connected through a multi-way pipe and a cooling water outlet pipe (7) is fixedly installed on the outer end of the multi-way pipe, an air inlet pipe (10) is fixedly installed at the top opening of the foldable coil air duct (2), and the end of the air inlet pipe (10) extends to the outside of the first treatment chamber (1), an air outlet (9) is opened at the bottom end of the foldable coil air duct (2), and an air outlet pipe (11) is fixedly installed at the end of the air outlet (9), and the end of the air outlet pipe (11) extends to the inside of the catalytic ring body (13).

3. The energy-saving and environmentally friendly pharmaceutical waste gas treatment equipment according to claim 1 is characterized in that: A movable shaft (15) is movably mounted on one side of the inner top of the first processing chamber (1) close to the catalytic ring body (13), and the bottom end of the movable shaft (15) is fixedly mounted on one end of the catalytic ring body (13); the other end of the movable shaft (15) extends to the outside of the first processing chamber (1) and is fixedly mounted with a first driven bevel gear (16).

4. The energy-saving and environmentally friendly pharmaceutical waste gas treatment equipment according to claim 1 is characterized in that: A first chamber (17) is fixedly installed on one side of the first treatment chamber (1) near the catalytic ring body (13), a first cylinder (18) is fixedly installed at the bottom end of the first chamber (17), a first piston rod (19) is movably installed inside the first cylinder (18), a displacer (20) is fixedly installed at the bottom end of the first piston rod (19), a second cylinder (21) is fixedly installed on one end of the first treatment chamber (1) near the displacer (20), a second chamber (22) is fixedly installed at the bottom end of the second cylinder (21), the first chamber (17) and the second chamber (22) are connected through a return pipe, a plurality of heat dissipation fins (23) are fixedly installed on the outer diameter of the second chamber (22), a piston block (24) is movably installed inside the second cylinder (21), and a second piston rod (25) is fixedly installed at the middle of the top end of the piston block (24).

5. The energy-saving and environmentally friendly pharmaceutical waste gas treatment equipment according to claim 4 is characterized in that: A transmission shaft (26) is movably mounted on the top of the first processing chamber (1) through a bearing seat, a first cam (27) is fixedly mounted on the outer diameter of one side of the transmission shaft (26), a first connecting rod (28) is movably mounted on the end of the first cam (27), and the end of the first connecting rod (28) is movably mounted on the top of the first piston rod (19), a second cam (29) is fixedly mounted on the outer diameter of the other side of the transmission shaft (26), a second connecting rod (30) is movably mounted on the end of the second cam (29), and the end of the second connecting rod (30) is movably mounted on the top of the second piston rod (25), a first driving bevel gear (31) is fixedly mounted on one end of the transmission shaft (26), and the first driving bevel gear (31) is meshed and connected with the inner end of the first driven bevel gear (16), and a second driving bevel gear (32) is fixedly mounted on the other side of the transmission shaft (26).

6. The energy-saving and environmentally friendly pharmaceutical waste gas treatment equipment according to claim 1 is characterized in that: A driven gear (38) is fixedly mounted on the outer diameter of the upper side of the short shaft (36); a rotating shaft (39) is movably mounted in the middle of the inner top of the second processing chamber (33); a driving gear (40) is fixedly mounted on the bottom end of the rotating shaft (39); and both ends of the driving gear (40) are meshed and connected with the inner ends of the two driven gears (38); the top end of the rotating shaft (39) extends to the outside of the second processing chamber (33) and is fixedly mounted with a second driven bevel gear (41); and the second driven bevel gear (41) is meshed and connected with the inner end of the second driving bevel gear (32).

7. The energy-saving and environmentally friendly pharmaceutical waste gas treatment equipment according to claim 1 is characterized in that: A connecting port (44) is provided at the inner top of the partition (42); an exhaust pipe (45) is fixedly installed on the side of the bottom of the second treatment chamber (33) away from the first treatment chamber (1); an activated carbon filter cartridge (46) is fixedly installed inside the exhaust pipe (45); the end of the activated carbon filter cartridge (46) is fixedly installed at the input end of the negative pressure fan (47); neutralization liquid inlet pipes (48) are fixedly installed on both sides of the front end of the second treatment chamber (33), and the ends of the neutralization liquid inlet pipes (48) extend to the inside of the water tank (35) on the corresponding side.

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