An exhaust gas treatment device

Abstract

The application discloses a waste gas treatment device, which comprises a butt joint pipeline which can be butt jointed with a smoke outlet of a quenching furnace and a cooling seat arranged on the right side of the butt joint pipeline, one end of the butt joint pipeline is communicated with the cooling seat, the front surface and the back surface of the cooling seat are fixedly connected with supports, the bottom of the support is fixedly connected with a bottom support plate which can be placed on the ground, a serpentine cavity which is used in cooperation with the butt joint pipeline is arranged in the cooling seat, an exhaust pipe is communicated with the end of the serpentine cavity which is far away from the butt joint pipeline, a cooling assembly is arranged on the cooling seat and the exhaust pipe, a purification assembly is arranged on the end of the exhaust pipe which is far away from the serpentine cavity, the cooling assembly comprises a plurality of groups of cavities which are arranged in the cooling seat in sequence along the front-rear direction and are used in cooperation with the serpentine cavity, the front surface of the top of the bottom support plate is fixedly connected with an air pump, the cooling assembly is arranged, the waste gas can be rapidly cooled by using the multi-stage cooling mode, and the safety during the purification treatment of the waste gas in the later period is improved.

Description

Technical Field

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

[0002] Waste gas is generated during the quenching and tempering process of metals, especially after rust has undergone chemical processes such as boron washing and pickling. Boron washing is used to increase the hardness of the metal, and pickling is used to remove impurities such as iron filings from the surface of ferrous materials. However, pickling itself leaves chemical substances on the surface of the metal. When the metal is quenched, these chemical substances will burn, producing substances harmful to the air. In order to avoid direct emission of waste gas, a purification device is needed to pre-treat the waste gas.

[0003] A device for treating oil sludge exhaust gas from a quenching tank, disclosed in publication number "CN216237164U", includes a quenching tank and a shielding cover. Multiple exhaust fans are installed on the shielding cover, and discharge ports are located on both sides of the cover. A support plate is placed inside the quenching tank, and multiple hooks and sedimentation tanks are installed on the support plate. Triangular guide blocks and drain pipes are located at the bottom of the quenching tank. The triangular guide blocks are located in the middle of the quenching tank, and the drain pipes are located on both sides of the quenching tank. A sludge pump is installed outside the quenching tank, and the drain pipes are connected to the sludge pumps. The beneficial effects of this invention are: it can recover the oil fumes generated during quenching and facilitate the removal of oil sludge generated during the use of the quenching tank.

[0004] However, the above-mentioned device still has the following problems during implementation:

[0005] The exhaust gas generated during the quenching and tempering process has a very high temperature. However, traditional exhaust gas treatment devices are ineffective at cooling the exhaust gas and cannot perform multi-stage cooling in a short time. If the exhaust gas cannot be cooled quickly, the high-temperature exhaust gas will come into direct contact with water or alkaline solution. The water or alkaline solution will turn from liquid to gas very quickly under the influence of high temperature, generating a large amount of steam in a short time. Its volume will expand violently, and if the equipment space is limited, there is a risk of explosion, posing a great safety hazard. Summary of the Invention

[0006] The purpose of this invention is to provide a waste gas treatment device to solve the problem mentioned in the background art that traditional waste gas treatment devices have poor cooling effect on waste gas and cannot perform multi-stage cooling of waste gas in a short time.

[0007] To achieve the above objectives, the present invention provides the following technical solution:

[0008] A waste gas treatment device includes a docking pipe that can be connected to the flue gas outlet of a quenching furnace and a cooling seat disposed on the right side of the docking pipe. One end of the docking pipe is connected to the cooling seat. Supports are fixedly connected to the front and back of the cooling seat. A bottom support plate that can be placed on the ground is fixedly connected to the bottom of the support. A serpentine chamber that cooperates with the docking pipe is opened in the cooling seat. An exhaust pipe is connected to the end of the serpentine chamber away from the docking pipe. Cooling components are disposed on the cooling seat and the exhaust pipe. A purification component is disposed at the end of the exhaust pipe away from the serpentine chamber.

[0009] Preferably, the cooling assembly includes multiple cavities sequentially formed within the cooling seat along the front-to-back direction to cooperate with the serpentine chambers. An air pump is fixedly connected to the front of the top of the bottom support plate. The air inlet of the air pump is connected to the air outlet of an external air conditioner. An auxiliary air pipe is connected to the air outlet of the air pump. A U-shaped pipe cooperating with the cavities is connected to the right side of the front of the cooling seat, and one end of the auxiliary air pipe is connected to the U-shaped pipe. Multiple L-shaped flow channels cooperating with the cavities are formed on both sides of the inner cavity of the cooling seat. A first connecting frame cooperating with the cavities is connected to the right side of the back of the cooling seat. Multiple heat dissipation plates cooperating with the serpentine chambers are sequentially embedded in the top and bottom of the cooling seat along the front-to-back direction.

[0010] Preferably, the cooling assembly further includes support legs fixedly connected to the top and bottom of the cooling base. A disc is fixedly connected to one side of the four sets of support legs that are close to each other, and a sealing cylinder is fixedly connected to one side of the disc that is far from each other. An installation column is rotatably installed inside the sealing cylinder. Multiple sets of partitions are uniformly fixedly connected to the surface of the installation column and the partitions are slidably disposed inside the sealing cylinder. One end of the first connecting frame is connected to a bend pipe. Both ends of the bend pipe are connected to a first venturi tube. The end of the first venturi tube that is far from the bend pipe is connected to the sealing cylinder through a first pipe. An exhaust pipe that cooperates with the partitions is connected to the front right side of the sealing cylinder. An extension plate is fixedly connected to one end of the installation column that is close to each other and the extension plate is located inside the disc. A vertical shaft is vertically rotatably installed on the left side of the extension plate. A fan blade and a gear are fixedly connected sequentially from the inside to the outside on the vertical shaft. Multiple sets of teeth that cooperate with the gears are uniformly fixedly connected in a ring on the inner wall of the disc.

[0011] Preferably, the end of the exhaust pipe away from the serpentine chamber is connected to a second venturi tube, and the end of the second venturi tube away from the exhaust pipe is connected to a mixing disc through a second pipe. The mixing disc has a spiral flow channel that communicates with the second pipe. An auxiliary pipe that works with the spiral flow channel is connected to the mixing disc. Two branch pipes are symmetrically connected to the auxiliary pipe in the vertical direction. The end of the branch pipe away from the auxiliary pipe is connected to the second venturi tube.

[0012] Preferably, the purification assembly includes a first purification tank and a second purification tank placed to the right of the mixing plate. The first and second purification tanks are arranged sequentially in a front-to-back direction. An air pump is fixedly connected to the first purification tank. The air pump's suction end is connected to a fixed pipe, and one end of the fixed pipe is connected to the first purification tank. The auxiliary pipe's end away from the mixing plate is connected to a main pipe. One end of the main pipe extends into the first purification tank and is vertical. The end of the main pipe away from the auxiliary pipe is fixedly connected to a diffuser plate via a connecting column. Multiple sets of reinforcing plates are uniformly fixedly connected inside the first purification tank. A spherical cover is fixedly connected to the side of the multiple sets of reinforcing plates that are close to each other, and the diffuser plate is located inside the spherical cover. Multiple sets of spray heads are uniformly inserted inside the spherical cover. The side of the multiple sets of spray heads that are far from each other is connected to a second connecting frame. A liquid outlet pipe is connected to the second connecting frame. A water pump is fixedly connected to the right side of the second purification tank. The water pump's liquid outlet end is connected to the liquid outlet pipe, and the water pump's liquid inlet end is connected to an inlet pipe, with one end of the inlet pipe connected to the bottom of the right side of the second purification tank.

[0013] Preferably, the purification assembly further includes a vertical pipe fixedly connected to the second purification tank, the outlet end of the air pump is connected to a guide pipe and one end of the guide pipe is connected to the vertical pipe, the bottom of the vertical pipe is evenly connected to three sets of branch pipes, the branch pipes are vertically connected to diffuser pipes, each set of diffuser pipes has multiple sets of exhaust holes opened in the up-down direction, the exhaust holes on each set of diffuser pipes are inclined, and the right side of the top of the second purification tank is connected to multiple sets of branch pipes in the front-back direction.

[0014] Preferably, the disc has an annular groove, and one end of the extension plate is slidably disposed in the annular groove.

[0015] Preferably, multiple sets of circular holes are evenly formed on the side of the disk that is far apart from each other.

[0016] Preferably, multiple sets of mounting rings are fixedly connected sequentially along the vertical direction on the docking pipe. Each set of mounting rings has a guide plate rotatably mounted on its left side, and the end of the guide plate away from the mounting ring is rotatably mounted with a mounting plate that can be fixed to the quenching furnace with bolts.

[0017] Compared with the prior art, the beneficial effects of the present invention are:

[0018] 1. By setting up a cooling assembly and utilizing an air pump that can be connected to an external air conditioner, cool air can be transferred into the cavity to quickly and initially cool the exhaust gas flowing in the serpentine chamber. Furthermore, heat dissipation plates can quickly absorb heat from the exhaust gas in the serpentine chamber and conduct it to the outside, facilitating secondary cooling of the exhaust gas. With the assistance of the first venturi tube, the cool air circulating to the bend in the tube can be accelerated and impacted by multiple baffles. The meshing of gears and teeth drives the fan blades to rotate while revolving, blowing air onto the heat dissipation plates for cooling. This accelerates the gas flow rate on the surface of the heat sink, allowing the heat sink to absorb more heat from the serpentine chamber, further improving the cooling effect on the exhaust gas. With the assistance of the second Venturi tube, the movement speed of the exhaust gas can be further increased. As the exhaust gas accelerates, it will also draw in the cold air in the auxiliary air pipe, and continuously mix it in the spiral flow channel. This further mixes the cold air with the exhaust gas after multiple cooling cycles. By using a multi-stage cooling method, the exhaust gas can be cooled down quickly, improving the safety of subsequent exhaust gas purification treatment.

[0019] 2. By setting up purification components and using an air pump, air can be quickly extracted from the first purification tank to create negative pressure, which facilitates rapid traction of the exhaust gas. With the assistance of a diffuser and a water pump, the decelerated exhaust gas can be sprayed to quickly neutralize acidic substances and allow particulate impurities to settle, thus purifying the exhaust gas. As the air pump continues to traction, the exhaust gas after primary purification can be diffused into an alkaline solution through the exhaust port, allowing for further neutralization and purification using the alkaline solution. The overall inclined shape of the exhaust port creates a vortex structure, which can agitate the alkaline solution, allowing for better contact with the exhaust gas and extending the contact time, further improving the purification effect. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the overall structure of the device of the present invention;

[0021] Figure 2 This is a partial side view of the overall structure of the device of the present invention;

[0022] Figure 3 This is a partial exploded view of the cooling assembly of the device of the present invention;

[0023] Figure 4 This is a top sectional view of the cooling base of the device of the present invention;

[0024] Figure 5 This is a partial perspective view of the cooling assembly of the device of the present invention;

[0025] Figure 6 This is a partial top cross-sectional view of the structure of the mixing disk in the device of the present invention;

[0026] Figure 7 This is a cross-sectional view of the first and second purification tanks of the device of the present invention.

[0027] Figure 8 This is a cross-sectional view of the spherical cover of the device of the present invention;

[0028] Figure 9 This is a structural development diagram of the mounting ring, guide plate, and mounting plate of the device of the present invention;

[0029] Figure 10 for Figure 1 Enlarged view of the structure at point A in the middle;

[0030] Figure 11 for Figure 5 Enlarged view of the structure at point B;

[0031] Figure 12 for Figure 7 Enlarged view of the structure at point C.

[0032] In the diagram: 1. Connecting pipe; 2. Cooling seat; 3. Bracket; 4. Bottom support plate; 5. Serpentine chamber; 6. Exhaust pipe; 7. Cavity; 8. Air pump; 9. Auxiliary air pipe; 10. U-shaped pipe; 11. L-shaped flow channel; 12. First connecting frame; 13. Support leg; 14. Disc; 15. Bend; 16. First Venturi tube; 17. Sealing cylinder; 18. Mounting column; 19. Exhaust pipe; 20. Partition plate; 21. Extension plate; 22. Vertical shaft; 23. Gear; 24. Fan blade; 25. Heat sink; 26. Diverter pipe; 27. Second 28. Venturi tube; 29. ​​Mixing disc; 30. Spiral flow channel; 31. Auxiliary pipe; 32. First purification tank; 33. Second purification tank; 34. Air pump; 35. Fixed pipe; 36. Main pipe; 37. Diffuser disc; 38. Reinforcing plate; 39. Spherical cover; 40. Second connecting frame; 41. Spray head; 42. Water pump; 43. Inlet pipe; 44. Outlet pipe; 45. Guide pipe; 46. Vertical pipe; 47. Branch pipe; 48. Diffuser pipe; 49. Mounting ring; 50. Guide plate; 51. Tooth; 52. Exhaust port. Detailed Implementation

[0033] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0034] Please see Figure 1-12 The present invention provides a technical solution:

[0035] Example 1:

[0036] A waste gas treatment device includes a docking pipe 1 that can be connected to the exhaust port of a quenching furnace and a cooling seat 2 located on the right side of the docking pipe 1. One end of the docking pipe 1 is connected to the cooling seat 2. Multiple sets of mounting rings 48 are fixedly connected to the docking pipe 1 in a vertical direction. A guide plate 49 is rotatably mounted on the left side of each set of mounting rings 48. A mounting plate 50 that can be fixed to the quenching furnace by bolts is rotatably mounted on the end of the guide plate 49 away from the mounting rings 48. The design of the mounting rings 48, guide plates 49 and mounting plates 50 can connect the docking pipe 1 to the quenching furnace, improving the overall stability of the docking pipe 1. The front and back of the cooling seat 2 are fixedly connected to the brackets 3. The bottom of the brackets 3 is fixedly connected to the bottom support plate 4 that can be placed on the ground. A serpentine chamber 5 that is used in conjunction with the docking pipe 1 is opened in the cooling seat 2. An exhaust pipe 6 is connected to the end of the serpentine chamber 5 away from the docking pipe 1.

[0037] Cooling components are installed on the cooling base 2 and the exhaust pipe 6. The cooling components include multiple cavities 7 arranged sequentially in the cooling base 2 to cooperate with the serpentine chamber 5. An air pump 8 is fixedly connected to the front of the top of the bottom support plate 4. The air inlet of the air pump 8 is connected to the air outlet of an external air conditioner. An auxiliary air pipe 9 is connected to the air outlet of the air pump 8. A U-shaped pipe 10 that cooperates with the cavity 7 is connected to the right side of the front of the cooling base 2, and one end of the auxiliary air pipe 9 is connected to the U-shaped pipe 10. Multiple sets of cavities 7 are opened on both sides of the inner cavity of the cooling base 2. The L-shaped flow channel 11 used in conjunction with the cooling base 2 has a first connecting frame 12 connected to the cavity 7 on the right side of the back. The air pump 8, which can be connected to an external air conditioner, can transmit cold air into the cavity 7 to quickly and initially cool the exhaust gas flowing in the serpentine chamber 5. The top and bottom of the cooling base 2 are sequentially embedded with multiple sets of heat dissipation plates 25 that are used in conjunction with the serpentine chamber 5. The heat dissipation plates 25 can quickly absorb the heat in the exhaust gas in the serpentine chamber 5 and conduct it to the outside, which is convenient for secondary cooling of the exhaust gas.

[0038] The cooling assembly also includes support legs 13 fixedly connected to the top and bottom of the cooling base 2. A disc 14 is fixedly connected to the side of the four support legs 13 closest to each other. Multiple sets of circular holes are evenly distributed on the side of the disc 14 furthest from each other. The circular holes allow the disc 14 to maintain a certain degree of permeability, preventing interference with normal heat dissipation. A sealing cylinder 17 is fixedly connected to the side of the disc 14 furthest from each other. A mounting post 18 is rotatably mounted inside the sealing cylinder 17. Multiple sets of partitions 20 are evenly fixedly connected to the surface of the mounting post 18, and the partitions 20 are slidably disposed within the sealing cylinder 17. One end of the first connecting frame 12 is connected to a bent pipe 15. Both ends of the bent pipe 15 are connected to first venturi tubes 16. The end of the first venturi tube 16 furthest from the bent pipe 15 is connected to the sealing cylinder 17 via a first pipe. The sealing cylinder 17... The right side is connected to an exhaust pipe 19 that works with the partition 20. An extension plate 21 is fixedly connected to one end of the mounting column 18 that is close to each other, and the extension plate 21 is located inside the disc 14. A vertical shaft 22 is mounted on the left side of the extension plate 21. A fan blade 24 and a gear 23 are fixedly connected from the inside to the outside on the vertical shaft 22. Multiple sets of teeth 51 that work with the gear 23 are evenly fixedly connected in a ring on the inner wall of the disc 14. With the assistance of the first venturi tube 16, the cold air can be accelerated and multiple partitions 20 can be driven to impact each other. The meshing of the gear 23 and the teeth 51 drives the fan blade 24 to rotate while revolving, blowing and cooling the heat sink 25. It can also accelerate the gas flow rate on the surface of the heat sink 25 and accelerate the absorption rate of heat from the exhaust gas in the serpentine chamber 5 by the heat sink 25.

[0039] An annular groove is formed inside the disc 14. One end of the extension plate 21 is slidably disposed within the annular groove. By providing the annular groove, the extension plate 21 can be slidably limited, preventing one end of the extension plate 21 from sagging due to excessive weight, thus affecting the normal meshing of the gear 23 and the teeth 51. The end of the exhaust pipe 6 away from the serpentine chamber 5 is connected to a second venturi tube 27. The end of the second venturi tube 27 away from the exhaust pipe 6 is connected to a mixing disc 28 through a second pipe. A spiral flow channel 29 is formed inside the mixing disc 28, which is interconnected with the second pipe. A device that cooperates with the spiral flow channel 29 is connected to the mixing disc 28. The auxiliary pipe 30 is used, and two branch pipes 26 are symmetrically connected along the vertical direction on the auxiliary air pipe 9. The end of the branch pipe 26 away from the auxiliary air pipe 9 is connected to the second venturi tube 27. The second venturi tube 27 can further accelerate the exhaust gas. While the exhaust gas is accelerated, a certain negative pressure will be formed, which will draw in the cold air in the auxiliary air pipe 9 and continuously mix it in the spiral flow channel 29. This further mixes the cold air with the exhaust gas after multiple cooling. By using the multi-stage cooling method, the exhaust gas can be cooled down quickly, which improves the safety of the subsequent exhaust gas purification treatment.

[0040] Example 2:

[0041] Based on Embodiment 1, this embodiment considers multi-stage purification of the exhaust gas to quickly neutralize or adsorb harmful substances and impurities in the exhaust gas. Therefore, this embodiment sets up a purification component, which includes a first purification tank 31 and a second purification tank 32 placed to the right of the mixing disk 28. The first purification tank 31 and the second purification tank 32 are arranged sequentially in the front-back direction. A suction pump 33 is fixedly connected to the first purification tank 31. The suction end of the suction pump 33 is connected to a fixed pipe 34, and one end of the fixed pipe 34 is connected to the first purification tank 31. The end of the auxiliary pipe 30 away from the mixing disk 28 is connected to a main pipe 35. One end of the main pipe 35 penetrates into the first purification tank 31 and is in a vertical state. The end of the main pipe 35 away from the auxiliary pipe 30 is fixedly connected to a diffuser 36 through a connecting column. Multiple sets of reinforcing plates 37 are uniformly fixedly connected inside the first purification tank 31. A spherical cover 38 is fixedly connected to the side of the multiple sets of reinforcing plates 37 that are close to each other, and the diffuser 36 is located at... Inside the spherical hood 38, multiple sets of spray heads 40 are evenly inserted. A second connecting frame 39 is connected to the side of each set of spray heads 40 that is furthest from each other. An outlet pipe 43 is connected to the second connecting frame 39. A water pump 41 is fixedly connected to the right side of the second purification tank 32. The outlet end of the water pump 41 is connected to the outlet pipe 43, and the inlet end of the water pump 41 is connected to an inlet pipe 42, one end of which is connected to the bottom right side of the second purification tank 32. Using the vacuum pump 33, the first... The air in the purification tank 31 is quickly extracted to create a negative pressure, which can quickly draw the exhaust gas. With the assistance of the diffuser 36, the exhaust gas entering the spherical hood 38 can be slowed down and dispersed. With the assistance of the water pump 41, the alkaline solution in the second purification tank 32 can be transferred to the spray head 40 and sprayed on the decelerated exhaust gas. This facilitates the rapid neutralization of acidic substances in the exhaust gas and allows particulate impurities in the exhaust gas to be settled by water spraying, thereby purifying the exhaust gas.

[0042] The purification assembly also includes a vertical pipe 45 fixedly connected to the second purification tank 32. The outlet of the suction pump 33 is connected to a guide pipe 44, one end of which is connected to the vertical pipe 45. Three sets of branch pipes 46 are evenly connected to the bottom of the vertical pipe 45. Diffuser pipes 47 are vertically connected to the branch pipes 46. Each set of diffuser pipes 47 has multiple sets of exhaust holes 52 arranged sequentially along the vertical direction. The exhaust holes 52 on each set of diffuser pipes 47 are inclined. Multiple sets of branch pipes are sequentially connected to the right side of the top of the second purification tank 32 along the front-back direction. With the continuous traction of the suction pump 33, the exhaust gas after the first-stage purification can be drawn to the second purification tank. The exhaust gas is contained within the second purification tank 32 and diffused into the alkaline solution through the exhaust port 52. This facilitates the further neutralization and purification of the exhaust gas using the alkaline solution. The exhaust port 52 is inclined, forming a vortex structure that can cause the alkaline solution to slosh, allowing for better contact with the exhaust gas and extending the contact time, thus further improving the purification effect. Each set of diffuser tubes 47 has at least three sets of exhaust ports 52. This provides more channels for the flow of exhaust gas and increases the coverage of the vortex, allowing the exhaust gas to come into more sufficient contact with the alkaline solution, thereby further improving the purification effect on harmful substances in the exhaust gas.

[0043] A control box is fixedly connected to the front of the first purification tank 31. The control box is designed to control the electrical components on the device. Both the first purification tank 31 and the second purification tank 32 have drain pipes on their right sides, and valves are installed on these drain pipes to periodically drain the liquid from the first purification tank 31 and the second purification tank 32. A filter screen is embedded at the end of the inlet pipe 42 away from the water pump 41 to filter out impurities in the alkaline solution in the second purification tank 32, preventing impurities from entering the water pump 41 and damaging it. A support is fixedly connected to the second purification tank 32. The inner ring of the support is fixedly connected to the guide tube 44. The design of the support can support and position the guide tube 44, improving the stability of the guide tube 44. A square hole is opened on the side of the bracket 3 that is close to each other. The design of the square hole can help the heat under the cooling seat 2 to be quickly discharged, further improving the cooling effect and cooling speed. The bottom of the mixing plate 28 is fixedly connected to a support that can be fixed to the ground with bolts. The design of the support can support the mixing plate 28, improve the overall stability of the mixing plate 28, and effectively prevent the mixing plate 28 from falling due to excessive weight.

[0044] Working principle: One end of the connecting pipe 1 can be connected to the exhaust port of the quenching furnace, so that the high-temperature exhaust gas can be transferred to the cooling seat 2 through the connecting pipe 1. The user turns on the suction pump 33 through the control box. At this time, the suction pump 33 can use the fixed pipe 34 to extract the gas in the first purification tank 31, so that the inside can be quickly kept in a negative pressure state, thereby generating a certain suction force to assist in the traction of the high-temperature exhaust gas. At this time, the high-temperature exhaust gas can be transferred to the serpentine chamber 5 and discharged from the cooling seat 2 through the exhaust pipe 6. At the same time, the external air cooler can be connected to the air pump 8, and the air pump 8 can be turned on through the control box. At this time, the air pump 8 can transfer the cold air to the cavity 7 through the auxiliary air pipe 9 and the U-shaped pipe 10. With the assistance of multiple sets of L-shaped flow channels 11, the cold air can be quickly transferred to multiple sets of cavities 7 and form a serpentine flow channel structure. At this time, the cold air in the cavity 7 can initially cool down the high-temperature exhaust gas flowing in the serpentine chamber 5.

[0045] Meanwhile, multiple heat dissipation plates 25 can quickly absorb and conduct heat from the exhaust gas in the serpentine chamber 5 to the outside in real time. After absorbing a certain amount of heat, the cold air in the cavity 7 will be transmitted to the first venturi tube 16 through the first connecting frame 12 and the bend 15. At this time, the characteristics of the first venturi tube 16 can be used to accelerate the cold air that has absorbed a certain amount of heat. The accelerated airflow rushes into the sealing cylinder 17 and impacts multiple baffles 20, causing the baffles 20 to rotate around the mounting column 18. This drives the extension plate 21 to rotate, which in turn drives the gear 23 and the fan blade 24 to revolve. At this time, the meshing of the gear 23 and the teeth 51 can drive the fan blade 24 to rotate on its own axis during the revolution, thereby blowing and cooling the heat dissipation plate 25 and accelerating the gas flow rate on the surface of the heat dissipation plate 25, so that the heat dissipation plate 25 can absorb more heat from the serpentine chamber 5.

[0046] At this time, the cooled exhaust gas will be transmitted to the second venturi tube 27 through the exhaust pipe 6. The second venturi tube 27 can accelerate the exhaust gas. At this time, the increased airflow speed can generate negative pressure, which will draw in a portion of the cold air transmitted through the diverter 26 and simultaneously deliver it to the mixing plate 28. At this time, the exhaust gas and cold air will continuously mix in the spiral channel 29, further fully mixing the cold air with the exhaust gas after multiple cooling cycles. At this time, the exhaust gas can be cooled down quickly by using multi-stage cooling.

[0047] Subsequently, the cooled exhaust gas, under the negative pressure of the suction pump 33, is transported through the main pipe 35 to the spherical hood 38, impacting the diffuser 36. The diffuser 36 then slows down and disperses the exhaust gas. The user then activates the water pump 41 via the control box. The water pump 41 transports the alkaline solution from the second purification tank 32 through the inlet pipe 42 to the outlet pipe 43, and then through the second connecting frame 39 to the spray head 40, spraying the slowed exhaust gas. At this time, the alkaline solution rapidly neutralizes the acidic and toxic substances in the exhaust gas and also allows for the water-jet settling of particulate impurities in the exhaust gas. The vacuum pump 33 can draw the exhaust gas after primary purification through the guide pipe 44 into the vertical pipe 45, and then transmit it through the vertical pipe 45 into the branch pipe 46. Finally, the exhaust gas diffuses into the alkaline solution through the exhaust port 52. The exhaust port 52 is inclined and can form a vortex structure, which can drive the alkaline solution to shake, so that the exhaust gas and alkaline solution can come into better contact and prolong the contact time, thereby improving the purification effect. After purification is completed, the gas can be discharged through the branch pipe, and the sewage pipe connected to the first purification tank 31 can periodically discharge the liquid left by spraying in the first purification tank 31.

[0048] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A waste gas treatment device, characterized in that: It includes a docking pipe (1) that can be connected to the exhaust port of a quenching furnace and a cooling seat (2) located on the right side of the docking pipe (1). One end of the docking pipe (1) is connected to the cooling seat (2). The front and back of the cooling seat (2) are fixedly connected to a bracket (3). The bottom of the bracket (3) is fixedly connected to a bottom support plate (4) that can be placed on the ground. The cooling seat (2) has a serpentine chamber (5) that is used in conjunction with the docking pipe (1). The end of the serpentine chamber (5) away from the docking pipe (1) is connected to an exhaust pipe (6). Cooling components are provided on the cooling seat (2) and the exhaust pipe (6). A purification component is provided on the end of the exhaust pipe (6) away from the serpentine chamber (5). The cooling assembly includes multiple cavities (7) arranged sequentially in the cooling seat (2) and used in conjunction with the serpentine chamber (5). An air pump (8) is fixedly connected to the front of the top of the bottom support plate (4). The air inlet of the air pump (8) is connected to the air outlet of an external air conditioner. An auxiliary air pipe (9) is connected to the air outlet of the air pump (8). A U-shaped pipe (10) is connected to the right side of the front of the cooling seat (2) and used in conjunction with the cavity (7), and one end of the auxiliary air pipe (9) is connected to the U-shaped pipe (10). Multiple L-shaped flow channels (11) are arranged on both sides of the inner cavity of the cooling seat (2) and used in conjunction with the cavity (7). A first connecting frame (12) is connected to the right side of the back of the cooling seat (2) and used in conjunction with the cavity (7). Multiple heat dissipation plates (25) are sequentially embedded in the top and bottom of the cooling seat (2) and used in conjunction with the serpentine chamber (5). The cooling assembly also includes support legs (13) fixedly connected to the top and bottom of the cooling base (2). A disc (14) is fixedly connected to one side of each of the four support legs (13) that are close to each other. A sealing cylinder (17) is fixedly connected to one side of each disc (14) that is far from each other. An installation column (18) is rotatably mounted inside the sealing cylinder (17). Multiple sets of partitions (20) are uniformly fixedly connected to the surface of the installation column (18), and the partitions (20) are slidably disposed inside the sealing cylinder (17). One end of the first connecting frame (12) is connected to a bent pipe (15), and both ends of the bent pipe (15) are connected to a first Venturi tube (16). One end of the pipe (16) away from the bend (15) is connected to the sealing cylinder (17) through the first pipe. The front side of the right side of the sealing cylinder (17) is connected to the exhaust pipe (19) that works with the partition (20). The ends of the mounting columns (18) that are close to each other are fixedly connected to the extension plate (21), and the extension plate (21) is located inside the disc (14). The left side of the extension plate (21) is vertically rotatably mounted with a vertical shaft (22). The vertical shaft (22) is fixedly connected from the inside to the outside with a fan blade (24) and a gear (23). The inner wall of the disc (14) is uniformly fixedly connected with multiple sets of teeth (51) that work with the gear (23).

2. The waste gas treatment device according to claim 1, characterized in that: The exhaust pipe (6) is connected to a second venturi tube (27) at one end away from the serpentine chamber (5). The second venturi tube (27) is connected to a mixing plate (28) through a second pipe at one end away from the exhaust pipe (6). A spiral flow channel (29) connected to the second pipe is provided in the mixing plate (28). An auxiliary pipe (30) for use with the spiral flow channel (29) is connected to the mixing plate (28). Two branch pipes (26) are symmetrically connected to the auxiliary air pipe (9) in the vertical direction. The branch pipe (26) is connected to the second venturi tube (27) at one end away from the auxiliary air pipe (9).

3. The waste gas treatment device according to claim 2, characterized in that: The purification assembly includes a first purification tank (31) and a second purification tank (32) placed to the right of the mixing plate (28). The first purification tank (31) and the second purification tank (32) are arranged sequentially in a front-to-back direction. A vacuum pump (33) is fixedly connected to the first purification tank (31). The suction end of the vacuum pump (33) is connected to a fixed pipe (34), and one end of the fixed pipe (34) is connected to the first purification tank (31). The auxiliary pipe (30) is connected to a main pipe (35) at the end away from the mixing plate (28). One end of the main pipe (35) extends into the first purification tank (31) and is vertical. The end of the main pipe (35) away from the auxiliary pipe (30) is fixedly connected to a diffuser plate (36) through a connecting column. Multiple sets of reinforcing plates (37) are uniformly fixedly connected inside the purification tank (31). A spherical cover (38) is fixedly connected to the side of the multiple sets of reinforcing plates (37) that are close to each other, and a diffuser (36) is located inside the spherical cover (38). Multiple sets of spray heads (40) are uniformly inserted inside the spherical cover (38). A second connecting frame (39) is connected to the side of the multiple sets of spray heads (40) that are far apart from each other. An outlet pipe (43) is connected to the second connecting frame (39). A water pump (41) is fixedly connected to the right side of the second purification tank (32). The outlet end of the water pump (41) is connected to the outlet pipe (43). The inlet end of the water pump (41) is connected to the inlet pipe (42), and one end of the inlet pipe (42) is connected to the bottom of the right side of the second purification tank (32).

4. The waste gas treatment device according to claim 3, characterized in that: The purification assembly also includes a vertical pipe (45) fixedly connected to the second purification tank (32). The air outlet of the air pump (33) is connected to a guide pipe (44), and one end of the guide pipe (44) is connected to the vertical pipe (45). Three sets of branch pipes (46) are evenly connected to the bottom of the vertical pipe (45). A diffuser pipe (47) is vertically connected to the branch pipe (46). Multiple sets of exhaust holes (52) are opened in the vertical direction on each set of diffuser pipes (47). The exhaust holes (52) on each set of diffuser pipes (47) are inclined. Multiple sets of branch pipes are connected in the front-back direction on the right side of the top of the second purification tank (32).

5. The waste gas treatment device according to claim 1, characterized in that: The disc (14) has an annular groove, and one end of the extension plate (21) is slidably disposed in the annular groove.

6. The waste gas treatment device according to claim 1, characterized in that: Multiple sets of circular holes are evenly provided on the side of the disk (14) that is far apart from each other.

7. The waste gas treatment device according to claim 1, characterized in that: Multiple sets of mounting rings (48) are fixedly connected in sequence along the vertical direction of the docking pipe (1). A guide plate (49) is rotatably mounted on the left side of each set of mounting rings (48). A mounting plate (50) that can be fixed to the quenching furnace by bolts is rotatably mounted on the end of the guide plate (49) away from the mounting ring (48).

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