A flue gas purification and treatment device and its operation method for carbon black production and processing.

Abstract

This invention belongs to the field of carbon black flue gas purification technology, specifically a flue gas purification device and operating method for carbon black production and processing. The device includes a box, with a discharge hopper fixed to the bottom of the box, a cooling box fixed to one side of the box, an air inlet on the side of the cooling box away from the box, and an air outlet on the side of the box away from the cooling box. By adding a cooling box to one side of the box, the flue gas entering from the air inlet can be cooled by the cooling components inside the cooling box, avoiding direct contact between the high-temperature flue gas and the dust collection bag. By setting a jet cleaning component below the air inlet pipe, in conjunction with an air manifold, electromagnetic pulse valve, air pump, and air delivery component, a composite dust removal structure of high-pressure pulse and low-pressure continuous blowing can be formed. This structure can not only clean the dust collection bag during the online flue gas purification process, but also perform deep cleaning of the dust collection bag during the offline process when the flue gas purification stops, ensuring the dust removal effect of the dust collection bag.

Description

Technical Field

[0001] This invention belongs to the field of carbon black flue gas purification technology, specifically a flue gas purification device and operating method for carbon black production and processing. Background Technology

[0002] Carbon black, an important industrial raw material, is mainly produced from hydrocarbons such as petroleum, asphalt, and natural gas through incomplete combustion or pyrolysis processes. It is widely used in tire manufacturing, electrode manufacturing, plastics, paints, pigments, and many other industrial sectors, occupying a vital position in the industrial production system. Currently, the furnace process is the primary method for carbon black production. Other methods include the tank process, spray process, and combustion pyrolysis process. Regardless of the process used, a large amount of flue gas is generated during production. This flue gas is the main source of pollutants in carbon black production. If it is directly emitted without effective purification, it will cause serious harm to the ecological environment and human health, and will also hinder the green and sustainable development of the carbon black industry. Therefore, bag filters are often used in conjunction with other purification processes to treat the flue gas generated during carbon black production.

[0003] In existing technologies, carbon black flue gas has a high temperature and strong adhesion. When high-temperature flue gas directly enters the bag filter, it can easily damage the dust collection bags, leading to a reduction in the service life of the dust collection bags. In addition, traditional pulse dust collector nozzles are mostly located above the dust collection bag openings, which makes it difficult for the airflow from the nozzles to effectively remove the flue gas dust attached to the bottom of the bag. After long-term use, this can easily cause the dust collection efficiency of the dust collection bags to decrease, thereby affecting the overall flue gas purification effect.

[0004] Therefore, the present invention provides a flue gas purification and treatment device and operating method for carbon black production and processing. Summary of the Invention

[0005] To overcome the shortcomings of existing technologies and solve the problems mentioned in the background section, this invention proposes a flue gas purification and treatment device and its operation method for carbon black production and processing.

[0006] The technical solution applicable to solving the technical problem of this invention is as follows: A flue gas purification and treatment device for carbon black production and processing, comprising a housing, a discharge hopper fixedly connected to the bottom end of the housing, a cooling box fixedly connected to one side of the housing, an air inlet provided on the side of the cooling box away from the housing, an air outlet provided on the side of the housing away from the cooling box, a vent opening at the bottom of the side of the housing near the cooling box, a cooling assembly provided in the inner cavity of the cooling box, and a mounting plate fixedly connected to the inner cavity of the housing, with a plurality of filters evenly fixed to the mounting plate. The dust bag has a mounting plate located below the air outlet. Multiple air inlet pipes are fixedly connected to the top of the inner cavity of the housing. The air inlet pipes are located above the mounting plate. Several air outlet pipes are evenly fixedly connected to the bottom of the air inlet pipes. A blowing assembly is provided at the bottom of the air outlet pipes. An air tank is fixedly installed on the top of the cooling box. One end of the air inlet pipe near the cooling box extends to the outside of the housing and communicates with the air tank. An electromagnetic pulse valve is fixedly installed at the connection between the air inlet pipe and the air tank. An air pump is fixedly installed on the top of the housing. The air pump is connected to the air inlet pipe through an air delivery assembly.

[0007] Preferably, the cooling assembly includes a baffle plate, a water-cooled box, and a water pump. Multiple baffle plates are evenly arranged in the inner cavity of the cooling box, located between the air inlet and the air outlet. The baffle plates are fixedly connected to the inner cavity of the cooling box via a fixing plate. A water-cooled box is fixedly connected to the outer wall of the cooling box. A water pump is fixedly installed on the top of the water-cooled box, and a water pump is fixedly connected to a water suction pipe and a water inlet pipe. The water suction pipe communicates with the inner cavity of the water-cooled box. A water outlet pipe communicates with the bottom of the inner cavity of the water-cooled box. A branch pipe is provided above the baffle plate, with one end extending to the outside of the cooling box and communicating with the water inlet pipe. The bottom of the branch pipe communicates with the top of the inner cavity of the baffle plate. A branch pipe is provided below the baffle plate, with one end extending to the outside of the cooling box and communicating with the water outlet pipe. The top of the branch pipe communicates with the bottom of the inner cavity of the baffle plate. Both branch pipes are fixedly connected to the inner cavity of the cooling box.

[0008] Preferably, the blowing assembly includes a receiving pipe, a diverter block, and an exhaust pipe. The bottom end of the exhaust pipe is rotatably connected to the receiving pipe. A valve body is embedded in the bottom of the receiving pipe, and a valve core is rotatably connected to the valve body. The bottom end of the receiving pipe is fixedly connected to the diverter block, and the bottom end of the diverter block is fixedly connected to the exhaust pipe. The bottom end of the exhaust pipe extends into the inner cavity of the dust collector bag. Multiple sets of nozzles are evenly installed on the outer wall of the exhaust pipe. The nozzles are inclined so that the reaction force generated by the airflow ejected by the nozzles can drive the exhaust pipe to rotate around its own axis. The bottom end of the diverter block is evenly installed with nozzles.

[0009] Preferably, a motor is fixedly installed on the outer wall of the valve body, and the output end of the motor is fixedly connected to the valve core. The valve core has two through slots and one through slot, and the two through slots are symmetrically distributed about the through slot. The flow divider has a through hole and an annular cavity. The through hole is adapted to the through slot. The top of the annular cavity has two connecting pipes, which are adapted to the through slot. The nozzle is connected to the annular cavity, and the exhaust pipe is connected to the through hole.

[0010] Preferably, the top of the inner cavity of the box is provided with a bracket, and several top rods are evenly fixed to the bottom of the bracket. A set of guide plates are fixed to both sides of the bracket. The guide plates are slidably connected to the inner wall of the box. A slider is fixed to one set of guide plates. A mounting frame is fixed to one side of the inner cavity of the box. A reciprocating screw is rotatably connected to the mounting frame. A second motor is fixedly installed on the top of the mounting frame. The output end of the second motor is fixed to the reciprocating screw. The slider is sleeved on the reciprocating screw. The rotation of the reciprocating screw drives the slider to reciprocate. An elastic unit is provided on the receiving pipe, and the top rod is adapted to the elastic unit.

[0011] Preferably, the elastic unit includes a limiting ring, a first fixing ring, and a second fixing ring. The limiting ring and the first fixing ring are fixedly connected to the receiving pipe. The limiting ring is located above the first fixing ring. The portion of the receiving pipe between the limiting ring and the first fixing ring is a flexible tube. Multiple support rods are fixedly connected to the first fixing ring. The top end of each support rod extends above the limiting ring and is fixedly connected to the second fixing ring. The second fixing ring is in contact with the bottom end of the top rod. The support rod is slidably connected to the limiting ring. A spring is sleeved on the support rod. The two ends of the spring are fixedly connected to the limiting ring and the second fixing ring, respectively.

[0012] Preferably, the air supply assembly includes an air supply pipe, a main pipe, and connecting pipes. The air supply pipe is fixedly connected to the air pump. The main pipe is fixedly connected to the outer wall of the box near the cooling box. The end of the air supply pipe away from the air pump is connected to the main pipe. Several connecting pipes are evenly fixedly connected to the bottom end of the main pipe. The bottom end of the connecting pipe is connected to the air inlet pipe. A valve is fixedly installed on the connecting pipe.

[0013] Preferably, the inner cavity of the cooling box is embedded with multiple heat dissipation pipes, which are hollow pipes distributed between the baffles. An air supply pipe is fixedly connected to the first air supply pipe, and a flow guide is fixedly connected to the end of the second air supply pipe away from the first air supply pipe. The flow guide is fixedly connected to the outer wall of the box and is adapted to the heat dissipation pipes. A valve is fixedly installed at the connection between the first air supply pipe and the second air supply pipe.

[0014] Preferably, a plurality of heat dissipation fins are uniformly fixed to the inner wall of the heat dissipation pipe.

[0015] An operating method for a flue gas purification and treatment device for carbon black production and processing, applicable to the aforementioned flue gas purification and treatment device for carbon black production and processing, comprising the following steps:

[0016] S1: After the flue gas purification begins, turn on the water pump and air pump, open valve two and close valve one. The flue gas enters the chamber after being cooled by the baffle plate and heat dissipation pipe in the cooling box, then passes through the dust collection bag for filtration, and finally is discharged from the outlet. During this process, before the electromagnetic pulse valve opens, motor one starts and drives the valve core to rotate, so that the airflow can pass through the channel one to achieve online dust removal.

[0017] S2: When the flue gas purification is stopped and offline cleaning is performed, the water pump and valve 2 are turned off. During this process, the electromagnetic pulse valve and valve 1 are opened alternately. Before the electromagnetic pulse valve is opened, motor 1 drives the valve core to rotate, so that airflow can pass through the through slot 1. Before valve 1 is opened, motor 1 drives the valve core to rotate, so that airflow can pass through the through slot 2, thereby achieving a composite cleaning effect of high-pressure pulse and low-pressure continuous blowing.

[0018] S3: After valve one is opened, motor two starts and drives the reciprocating screw to rotate, which causes the slider to drive the bracket and push rod to move up and down reciprocally. This causes the exhaust pipe to move up and down reciprocally with the cooperation of the push rod and the spring, thus realizing up and down reciprocating purging.

[0019] The beneficial effects of this invention are as follows:

[0020] 1. The present invention discloses a flue gas purification treatment device and operating method for carbon black production and processing. By adding a cooling box on one side of the housing, the flue gas entering from the air inlet can be cooled by the cooling components in the cooling box, thus preventing the high-temperature flue gas from directly contacting the dust collection bag. By setting a jet blowing component below the air inlet pipe, in conjunction with an air manifold, electromagnetic pulse valve, air pump, and air delivery component, a composite dust removal structure of high-pressure pulse and low-pressure continuous blowing can be formed. This structure can not only clean the dust collection bag during the online flue gas purification process, but also complete the deep cleaning of the dust collection bag during the offline process when the flue gas purification stops, ensuring the dust removal effect of the dust collection bag.

[0021] 2. The flue gas purification treatment device and operating method for carbon black production and processing described in this invention uses a second motor to drive a reciprocating screw to rotate, which causes the slider to drive the support and the top rod to move up and down reciprocally. This causes the exhaust pipe to move up and down reciprocally with the cooperation of the top rod and the spring. This allows the second nozzle to perform horizontal rotational blowing while simultaneously performing up and down reciprocating sliding blowing, thus filling the blowing gap between adjacent second nozzles and further improving the cleaning effect on the dust collection bag. Attached Figure Description

[0022] The invention will now be further described with reference to the accompanying drawings.

[0023] Figure 1 This is a perspective view of the present invention;

[0024] Figure 2 This is a schematic diagram of the cooling box of the present invention;

[0025] Figure 3 yes Figure 2 Enlarged view of a portion of point A in the middle;

[0026] Figure 4 yes Figure 2 Enlarged view of a section at point B in the middle;

[0027] Figure 5 This is a schematic diagram of the interior of the housing of the present invention;

[0028] Figure 6 yes Figure 5 Enlarged view of a section at point C;

[0029] Figure 7 yes Figure 5 Enlarged view of a section at point D;

[0030] Figure 8 This is a schematic diagram of the baffle plate and water-cooled box of the present invention;

[0031] Figure 9 This is a schematic diagram of the heat dissipation pipe of the present invention;

[0032] Figure 10 This is a schematic diagram of the receiving pipe of the present invention;

[0033] Figure 11 This is a partial view of the housing of the present invention;

[0034] Figure 12 yes Figure 11 Enlarged view of a section at point E in the middle;

[0035] Figure 13 This is a schematic diagram of the bracket of the present invention.

[0036] In the diagram: 1. Housing; 2. Discharge hopper; 3. Cooling box; 4. Air inlet; 5. Air outlet; 6. Mounting plate; 7. Dust collector bag; 8. Vent; 9. Baffle plate; 10. Fixing plate; 11. Water-cooled box; 12. Water pump; 13. Pumping pipe; 14. Water inlet pipe; 15. Branch pipe one; 16. Heat dissipation pipe; 17. Branch pipe two; 18. Water outlet pipe; 19. Air tank; 20. Air inlet pipe; 21. Electromagnetic pulse valve; 22. Air outlet pipe; 23. Receiving pipe; 24. Valve body; 25. Valve core; 26. Diverter block; 27. Nozzle one; 28. Exhaust pipe; 29. Nozzle 2; 30. Through slot 1; 31. Through slot 2; 32. Motor 1; 33. Through hole; 34. Annular cavity; 35. Limiting ring; 36. Fixing ring 1; 37. Support rod; 38. Fixing ring 2; 39. Spring; 40. Bracket; 41. Top rod; 42. Guide plate; 43. Slider; 44. Mounting bracket; 45. Reciprocating screw; 46. Motor 2; 47. Air pump; 48. Air supply pipe 1; 49. Main pipe; 50. Connecting pipe; 51. Valve 1; 52. Air supply pipe 2; 53. Valve 2; 54. Flow guide; 55. Heat dissipation fins. Detailed Implementation

[0037] 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.

[0038] like Figures 1-13 As shown in the embodiment of the present invention, a flue gas purification device for carbon black production and processing includes a housing 1. A discharge hopper 2 is fixedly connected to the bottom of the housing 1. A cooling box 3 is fixedly connected to one side of the housing 1. An air inlet 4 is provided on the side of the cooling box 3 away from the housing 1, and an air outlet 5 is provided on the side of the housing 1 away from the cooling box 3. A vent 8 is opened at the bottom of the side of the housing 1 near the cooling box 3. A cooling component is provided in the inner cavity of the cooling box 3. An mounting plate 6 is fixedly connected to the inner cavity of the housing 1. A plurality of dust collection bags 7 are evenly fixed on the mounting plate 6. The mounting plate 6 is located at the air outlet 5. Below, multiple air inlet pipes 20 are fixedly connected to the top of the inner cavity of the box 1. The air inlet pipes 20 are located above the mounting plate 6. Several air outlet pipes 22 are evenly fixedly connected to the bottom of the air inlet pipes 20. The bottom end of the air outlet pipes 22 is equipped with a spraying assembly. An air bag 19 is fixedly installed on the top of the cooling box 3. The end of the air inlet pipe 20 near the cooling box 3 extends to the outside of the box 1 and communicates with the air bag 19. An electromagnetic pulse valve 21 is fixedly installed at the connection between the air inlet pipe 20 and the air bag 19. An air pump 47 is fixedly installed on the top of the box 1. The air pump 47 is connected to the air inlet pipe 20 through an air delivery assembly.

[0039] This application takes into account that carbon black flue gas has a high temperature and strong adhesion. When high-temperature flue gas directly enters the bag filter, it easily damages the dust collection bag 7, reducing its service life. Furthermore, traditional pulse jet dust collector nozzles are mostly located above the bag opening of the dust collection bag 7, making it difficult for the airflow from the nozzles to effectively remove the flue gas dust adhering to the bottom of the bag. Long-term use can easily lead to a decrease in the dust collection efficiency of the dust collection bag 7, thus affecting the overall flue gas purification effect. Therefore, this application adds a cooling box 3 to one side of the housing 1, so that... The flue gas entering through the inlet 4 is first cooled by the cooling components in the cooling box 3, preventing the high-temperature flue gas from directly contacting the dust collection bag 7. By setting a jet cleaning component below the inlet pipe 20, together with the air tank 19, electromagnetic pulse valve 21, air pump 47 and air delivery component, a composite dust collection structure of high-pressure pulse and low-pressure continuous blowing can be formed. This structure can not only clean the dust collection bag 7 during the online process of flue gas purification, but also complete the deep cleaning of the dust collection bag 7 during the offline process when flue gas purification stops, ensuring the dust collection effect of the dust collection bag 7.

[0040] During operation, flue gas enters the inner cavity of the cooling box 3 through the air inlet 4, is cooled by the cooling components, and then enters the inner cavity of the box 1 through the air outlet 8. The cooled flue gas is purified by the dust collection bag 7 and then discharged from the box 1 through the air outlet 5. When the box 1 is in the online cleaning process, the air supply component does not supply air to the air inlet pipe 20. Only the electromagnetic pulse valve 21 works. When the electromagnetic pulse valve 21 is open, the air tank 19 supplies air to the air inlet pipe 20, causing the dust collection bag 7 to inflate and shake to remove dust. When the box 1 is in the offline cleaning process, the box 1 no longer purifies the flue gas. The electromagnetic pulse valve 21 and the air supply component work alternately. After the electromagnetic pulse valve 21 opens and completes the high-pressure pulse cleaning, the air supply component starts to supply air to the air inlet pipe 20. The low-pressure airflow generated by the air pump 47 and the air supply component can continuously blow the dust collection bag 7, thoroughly blowing off the dust attached to the fiber gaps of the dust collection bag 7, achieving deep cleaning and ensuring the purification effect of the dust collection bag 7.

[0041] Furthermore, the cooling assembly includes baffles 9, a water-cooled box 11, and a water pump 12. Multiple baffles 9 are evenly arranged in the inner cavity of the cooling box 3, located between the air inlet 4 and the air outlet 8. The baffles 9 are fixedly connected to the inner cavity of the cooling box 3 via a fixing plate 10. The water-cooled box 11 is fixedly connected to the outer wall of the cooling box 3. A water pump 12 is fixedly installed on the top of the water-cooled box 11. A water pump 12 is fixedly connected to the water pump 12 via a water suction pipe 13 and a water inlet pipe 14. The water suction pipe 13 communicates with the inner cavity of the water-cooled box 11. The bottom of the inner cavity is connected to the water outlet pipe 18. A branch pipe 15 is provided above the baffle plate 9. One end of the branch pipe 15 extends to the outside of the cooling box 3 and is connected to the water inlet pipe 14. The bottom of the branch pipe 15 is connected to the top of the inner cavity of the baffle plate 9. A branch pipe 2 17 is provided below the baffle plate 9. One end of the branch pipe 2 17 extends to the outside of the cooling box 3 and is connected to the water outlet pipe 18. The top of the branch pipe 2 17 is connected to the bottom of the inner cavity of the baffle plate 9. Both the branch pipe 15 and the branch pipe 2 17 are fixedly connected to the inner cavity of the cooling box 3.

[0042] During operation, the water pump 12 draws cold water from the water-cooled box 11 through the water suction pipe 13, and then pumps it into the inner cavity of the baffle plate 9 through the water inlet pipe 14 and the branch pipe 15. The cold water flows out from the bottom of the baffle plate 9 and returns to the water-cooled box 11 through the branch pipe 2 17 and the water outlet pipe 18. This process is repeated to complete the water cooling cycle. By setting the baffle plate 9 in the cooling box 3, the flow path of the flue gas after entering the cooling box 3 is increased. With the cold water flowing in the baffle plate 9, the heat of the flue gas can be effectively absorbed, the temperature of the flue gas can be reduced, and the high-temperature flue gas can be prevented from directly contacting the dust collector bag 7 and causing damage to the dust collector bag 7.

[0043] Furthermore, the blowing assembly includes a receiving pipe 23, a diverter block 26, and an exhaust pipe 28. The bottom end of the exhaust pipe 22 is rotatably connected to the receiving pipe 23. A valve body 24 is embedded in the bottom of the receiving pipe 23. A valve core 25 is rotatably connected inside the valve body 24. The bottom end of the receiving pipe 23 is fixedly connected to the diverter block 26. The bottom end of the diverter block 26 is fixedly connected to the exhaust pipe 28. The bottom end of the exhaust pipe 28 extends into the inner cavity of the dust collection bag 7. Multiple sets of nozzles 29 are evenly installed on the outer wall of the exhaust pipe 28. The nozzles 29 are inclined so that the reaction force generated by the airflow from the nozzles 29 can drive the exhaust pipe 28 to rotate around its own axis. Nozzles 27 are evenly installed on the bottom end of the diverter block 26.

[0044] Furthermore, a motor 32 is fixedly installed on the outer wall of the valve body 24. The output end of the motor 32 is fixedly connected to the valve core 25. Two through slots 30 and one through slot 31 are opened on the valve core 25. The two through slots 30 are symmetrically distributed about the through slot 31. A through hole 33 and an annular cavity 34 are opened in the flow divider block 26. The through hole 33 is adapted to the through slot 31. Two connecting pipes are fixedly connected to the top of the annular cavity 34. The connecting pipes are adapted to the through slot 30. The nozzle 27 is connected to the annular cavity 34. The exhaust pipe 28 is connected to the through hole 33.

[0045] It should be noted that the valve body 24 has multiple air holes, which correspond one-to-one with the through groove 30 and through groove 31.

[0046] During operation, before pulse cleaning, motor 32 starts and drives valve core 25 to rotate, aligning the through groove 30 on valve core 25 with the air hole on valve body 24, thus blocking through groove 31. High-pressure gas then enters outlet pipe 22 from inlet pipe 20, passes through receiving pipe 23 and through groove 30, and finally enters the annular cavity 34 of diverter block 26 and is ejected from nozzle 27, completing high-pressure pulse cleaning at the bag opening of dust bag 7. Before low-pressure continuous cleaning, motor 32 drives valve core 25 to rotate. This allows the second through-slot 31 to correspond with the air hole on the valve body 24, and the first through-slot 30 to be blocked by the inner wall of the valve body 24. Then, the air pump 47, in conjunction with the air delivery assembly, sends low-pressure gas into the air inlet pipe 20. The gas then passes through the air outlet pipe 22, the receiving pipe 23, the second through-slot 31, and the through hole 33 into the exhaust pipe 28, and finally sprays out from the second nozzle 29. Because the reaction force generated by the second nozzle 29 when spraying air can drive the exhaust pipe 28 to rotate, the second nozzle 29 can achieve all-round rotation and blowing, which improves the dust removal effect.

[0047] Furthermore, a bracket 40 is provided at the top of the inner cavity of the housing 1. Several top rods 41 are evenly fixed to the bottom of the bracket 40. A set of guide plates 42 are fixed to both sides of the bracket 40. The guide plates 42 are slidably connected to the inner wall of the housing 1. A slider 43 is fixed to one of the guide plates 42. A mounting frame 44 is fixed to one side of the inner cavity of the housing 1. A reciprocating screw 45 is rotatably connected to the mounting frame 44. A second motor 46 is fixedly installed on the top of the mounting frame 44. The output end of the second motor 46 is fixedly connected to the reciprocating screw 45. The slider 43 is sleeved on the reciprocating screw 45. The rotation of the reciprocating screw 45 drives the slider 43 to reciprocate. An elastic unit is provided on the receiving pipe 23. The top rods 41 are adapted to the elastic unit.

[0048] Furthermore, the elastic unit includes a limiting ring 35, a first fixing ring 36, and a second fixing ring 38. The limiting ring 35 and the first fixing ring 36 are fixedly connected to the receiving pipe 23. The limiting ring 35 is located above the first fixing ring 36. The portion of the receiving pipe 23 between the limiting ring 35 and the first fixing ring 36 is a flexible tube. Multiple support rods 37 are fixedly connected to the first fixing ring 36. The top end of the support rod 37 extends above the limiting ring 35 and is fixedly connected to the second fixing ring 38. The second fixing ring 38 is in contact with the bottom end of the top rod 41. The support rod 37 is slidably connected to the limiting ring 35. A spring 39 is sleeved on the support rod 37. The two ends of the spring 39 are fixedly connected to the limiting ring 35 and the second fixing ring 38, respectively.

[0049] During operation, as the air pump 47 works with the air delivery assembly to complete low-pressure dust removal, the second motor 46 starts and drives the reciprocating screw 45 to rotate, causing the slider 43 to drive the guide plate 42 and the bracket 40 to move up and down together. When the bracket 40 slides downward, the top rod 41 moves downward and presses down on the second fixing ring 38, causing the second fixing ring 38 to drive the support rod 37 and the first fixing ring 36 to slide downward. The first fixing ring 36 then stretches the hose portion of the receiving pipe 23, causing the exhaust pipe 28 to slide downward. During this process, the spring 39 is compressed by the second fixing ring 38. When the bracket... When 40 slides upward, the top rod 41 no longer presses down on the fixing ring 38. Under the elastic force of the spring 39, the fixing ring 38 drives the support rod 37 and the fixing ring 36 to slide upward and reset, causing the exhaust pipe 28 to slide upward as well. This process repeats, and the exhaust pipe 28 drives the nozzle 29 to slide up and down repeatedly. Because the exhaust pipe 28 rotates around its own axis under the action of the nozzle 29, the nozzle 29 completes the up and down sliding spraying while performing horizontal rotation spraying, making up the spraying blank area between adjacent nozzles 29, and further improving the cleaning effect on the dust bag 7.

[0050] Furthermore, the air supply assembly includes an air supply pipe 48, a main pipe 49, and connecting pipes 50. The air supply pipe 48 is fixedly connected to the air pump 47. The main pipe 49 is fixedly connected to the outer wall of the housing 1 near the cooling box 3. The end of the air supply pipe 48 away from the air pump 47 is connected to the main pipe 49. Several connecting pipes 50 are evenly fixedly connected to the bottom end of the main pipe 49. The bottom end of the connecting pipe 50 is connected to the air inlet pipe 20. A valve 51 is fixedly installed on the connecting pipe 50.

[0051] During operation, valve 51 is closed during high-pressure pulse cleaning, and valve 51 is opened during low-pressure continuous cleaning. Air pump 47 supplies air to air supply pipe 48. The air enters air inlet pipe 20 through air supply pipe 48, main pipe 49 and connecting pipe 50, and is finally sprayed out from nozzle 29 to complete low-pressure continuous cleaning.

[0052] Furthermore, multiple heat dissipation pipes 16 are embedded in the inner cavity of the cooling box 3. The heat dissipation pipes 16 are hollow pipes and are distributed between the baffles 9. A second air supply pipe 52 is fixedly connected to the first air supply pipe 48. A guide shroud 54 is fixedly connected to the end of the second air supply pipe 52 away from the first air supply pipe 48. The guide shroud 54 is fixedly connected to the outer wall of the box body 1 and is adapted to the heat dissipation pipes 16. A second valve 53 is fixedly installed at the connection between the first air supply pipe 48 and the second air supply pipe 52.

[0053] During operation, when the chamber 1 is in the online cleaning process, valve 1 51 is in the closed state for a long time, valve 2 53 is open, and air pump 47 delivers air into the guide shroud 54 through air delivery pipe 2 52. After leaving the guide shroud 54, the gas passes through the heat dissipation pipe 16 embedded in the cooling chamber 3 and carries away the heat on the heat dissipation pipe 16. When the chamber 1 is in the offline cleaning process, valve 2 53 is in the closed state for a long time, and electromagnetic pulse valve 21 and valve 1 51 are opened alternately to achieve a combined cleaning effect of high-pressure pulse cleaning and low-pressure continuous cleaning. By embedding heat dissipation pipe 16 in the cooling chamber 3, the heat of the high-temperature flue gas entering the cooling chamber 3 can be absorbed, further improving the heat dissipation and cooling effect of the cooling chamber 3 on the flue gas.

[0054] Furthermore, several heat dissipation fins 55 are uniformly fixed to the inner wall of the heat dissipation pipe 16.

[0055] During operation, the heat dissipation fins 55 provided on the inner wall of the heat dissipation pipe 16 facilitate the airflow passing through the heat dissipation pipe 16 to quickly remove heat, ensuring the heat dissipation effect of the heat dissipation pipe 16.

[0056] An operating method for a flue gas purification and treatment device for carbon black production and processing, applicable to the aforementioned flue gas purification and treatment device for carbon black production and processing, comprising the following steps:

[0057] S1: After the flue gas purification begins, water pump 12 and air pump 47 are turned on, valve 2 53 is opened and valve 1 51 is closed. The flue gas is cooled by the baffle plate 9 and heat dissipation pipe 16 in the cooling box 3 and then enters the box 1. It is then filtered by the dust collection bag 7 and finally discharged from the outlet 5. During this process, before the electromagnetic pulse valve 21 is opened, motor 1 32 is started and drives the valve core 25 to rotate, so that the through groove 1 30 can flow air and realize online dust removal.

[0058] S2: When the flue gas purification is stopped and offline cleaning is performed, the water pump 12 and valve 2 53 are turned off. During this process, the electromagnetic pulse valve 21 and valve 1 51 are opened alternately. Before the electromagnetic pulse valve 21 is opened, the motor 1 32 drives the valve core 25 to rotate, so that the airflow can pass through the through slot 1 30. Before the valve 1 51 is opened, the motor 1 32 drives the valve core 25 to rotate, so that the airflow can pass through the through slot 2 31, so as to achieve the composite cleaning effect of high pressure pulse and low pressure continuous blowing.

[0059] S3: After valve 1 51 is opened, motor 2 46 starts and drives the reciprocating screw 45 to rotate, so that the slider 43 drives the bracket 40 and the push rod 41 to move up and down reciprocally, thereby making the exhaust pipe 28 complete the up and down reciprocating motion with the cooperation of the push rod 41 and the spring 39, realizing up and down reciprocating purging.

[0060] The terms "front," "back," "left," "right," "top," and "bottom" all refer to the figures in the accompanying drawings. Figure 1Based on the perspective of the observer, the side of the device facing the observer is defined as the front, the left side of the observer is defined as the left, and so on.

[0061] In the description of this invention, it should be understood that the terms "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limiting the scope of protection of this invention.

[0062] The foregoing has shown and described the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of the invention. Various changes and modifications can be made to the invention without departing from its spirit and scope, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of protection of the present invention is defined by the appended claims and their equivalents.

Claims

1. A flue gas purification and treatment device for carbon black production and processing, characterized in that: The enclosure includes a housing (1), with a discharge hopper (2) fixedly connected to the bottom of the housing (1). A cooling box (3) is fixedly connected to one side of the housing (1). An air inlet (4) is provided on the side of the cooling box (3) away from the housing (1), and an air outlet (5) is provided on the side of the housing (1) away from the cooling box (3). A vent (8) is provided at the bottom of the side of the housing (1) near the cooling box (3). A cooling assembly is provided in the inner cavity of the cooling box (3). An installation plate (6) is fixedly connected to the inner cavity of the housing (1). Several dust collection bags (7) are evenly fixed on the installation plate (6). The installation plate (6) is located below the air outlet (5). The top of the inner cavity of the housing (1) is... Multiple air inlet pipes (20) are fixedly connected to the part. The air inlet pipes (20) are located above the mounting plate (6). Several air outlet pipes (22) are evenly fixedly connected to the bottom of the air inlet pipes (20). The bottom end of the air outlet pipes (22) is provided with a spraying assembly. An air bag (19) is fixedly installed on the top of the cooling box (3). The end of the air inlet pipe (20) near the cooling box (3) extends to the outside of the box body (1) and communicates with the air bag (19). An electromagnetic pulse valve (21) is fixedly installed at the connection between the air inlet pipe (20) and the air bag (19). An air pump (47) is fixedly installed on the top of the box body (1). The air pump (47) is connected to the air inlet pipe (20) through an air delivery assembly.

2. The flue gas purification and treatment device for carbon black production and processing according to claim 1, characterized in that: The cooling assembly includes baffles (9), a water-cooled box (11), and a water pump (12). Multiple baffles (9) are evenly arranged in the inner cavity of the cooling box (3). The baffles (9) are located between the air inlet (4) and the air outlet (8). The baffles (9) are fixedly connected to the inner cavity of the cooling box (3) via a fixing plate (10). A water-cooled box (11) is fixedly connected to the outer wall of the cooling box (3). A water pump (12) is fixedly installed on the top of the water-cooled box (11). A water pump (12) is fixedly connected to the water pump (12) via a water suction pipe (13) and a water inlet pipe (14). The water suction pipe (13) communicates with the inner cavity of the water-cooled box (11). The bottom of the inner cavity of the cooling box (3) is connected to the water outlet pipe (18). A branch pipe (15) is provided above the baffle plate (9). One end of the branch pipe (15) extends to the outside of the cooling box (3) and is connected to the water inlet pipe (14). The bottom of the branch pipe (15) is connected to the top of the inner cavity of the baffle plate (9). A branch pipe (17) is provided below the baffle plate (9). One end of the branch pipe (17) extends to the outside of the cooling box (3) and is connected to the water outlet pipe (18). The top of the branch pipe (17) is connected to the bottom of the inner cavity of the baffle plate (9). Both the branch pipe (15) and the branch pipe (17) are fixedly connected to the inner cavity of the cooling box (3).

3. The flue gas purification and treatment device for carbon black production and processing according to claim 2, characterized in that: The spray assembly includes a receiving pipe (23), a diverter block (26), and an exhaust pipe (28). The bottom end of the exhaust pipe (22) is rotatably connected to the receiving pipe (23). A valve body (24) is embedded in the bottom of the receiving pipe (23). A valve core (25) is rotatably connected inside the valve body (24). The bottom end of the receiving pipe (23) is fixedly connected to the diverter block (26). The bottom end of the diverter block (26) is fixedly connected to the exhaust pipe (28). The bottom end of the exhaust pipe (28) extends into the inner cavity of the dust collection bag (7). Multiple sets of nozzles (29) are evenly installed on the outer wall of the exhaust pipe (28). The nozzles (29) are inclined so that the reaction force generated by the airflow ejected by the nozzles (29) can drive the exhaust pipe (28) to rotate around its own axis. The bottom end of the diverter block (26) is evenly installed with nozzles (27).

4. The flue gas purification and treatment device for carbon black production and processing according to claim 3, characterized in that: A motor (32) is fixedly installed on the outer wall of the valve body (24). The output end of the motor (32) is fixedly connected to the valve core (25). The valve core (25) has two through slots (30) and one through slot (31). The two through slots (30) are symmetrically distributed about the through slot (31). The diverter block (26) has a through hole (33) and an annular cavity (34). The through hole (33) is adapted to the through slot (31). The top of the annular cavity (34) is fixedly connected to two connecting pipes. The connecting pipes are adapted to the through slot (30). The nozzle (27) is connected to the annular cavity (34). The exhaust pipe (28) is connected to the through hole (33).

5. The flue gas purification and treatment device for carbon black production and processing according to claim 4, characterized in that: The top of the inner cavity of the box (1) is provided with a bracket (40). Several top rods (41) are evenly fixed to the bottom of the bracket (40). A set of guide plates (42) are fixed to both sides of the bracket (40). The guide plates (42) are slidably connected to the inner wall of the box (1). A slider (43) is fixed to one of the guide plates (42). A mounting frame (44) is fixed to one side of the inner cavity of the box (1). A reciprocating screw (45) is rotatably connected to the mounting frame (44). A second motor (46) is fixedly installed on the top of the mounting frame (44). The output end of the second motor (46) is fixed to the reciprocating screw (45). The slider (43) is sleeved on the reciprocating screw (45). The reciprocating screw (45) rotates to drive the slider (43) to reciprocate. An elastic unit is provided on the receiving pipe (23). The top rod (41) is adapted to the elastic unit.

6. The flue gas purification and treatment device for carbon black production and processing according to claim 5, characterized in that: The elastic unit includes a limiting ring (35), a first fixing ring (36), and a second fixing ring (38). The limiting ring (35) and the first fixing ring (36) are fixedly connected to the receiving pipe (23). The limiting ring (35) is located above the first fixing ring (36). The part of the receiving pipe (23) between the limiting ring (35) and the first fixing ring (36) is a flexible tube. Multiple support rods (37) are fixedly connected to the first fixing ring (36). The top of the support rod (37) extends above the limiting ring (35) and is fixedly connected to the second fixing ring (38). The second fixing ring (38) is in contact with the bottom end of the top rod (41). The support rod (37) is slidably connected to the limiting ring (35). A spring (39) is sleeved on the support rod (37). The two ends of the spring (39) are fixedly connected to the limiting ring (35) and the second fixing ring (38) respectively.

7. The flue gas purification and treatment device for carbon black production and processing according to claim 6, characterized in that: The air supply assembly includes an air supply pipe (48), a main pipe (49), and a connecting pipe (50). The air pump (47) is fixedly connected to the air supply pipe (48). The main pipe (49) is fixedly connected to the outer wall of the box (1) near the cooling box (3). The end of the air supply pipe (48) away from the air pump (47) is connected to the main pipe (49). Several connecting pipes (50) are evenly fixedly connected to the bottom end of the main pipe (49). The bottom end of the connecting pipe (50) is connected to the air inlet pipe (20). A valve (51) is fixedly installed on the connecting pipe (50).

8. The flue gas purification and treatment device for carbon black production and processing according to claim 7, characterized in that: The cooling box (3) has multiple heat dissipation pipes (16) embedded in its inner cavity. The heat dissipation pipes (16) are hollow pipes and are distributed between the baffles (9). A second air supply pipe (52) is fixedly connected to the first air supply pipe (48). A flow guide (54) is fixedly connected to the end of the second air supply pipe (52) away from the first air supply pipe (48). The flow guide (54) is fixedly connected to the outer wall of the box body (1). The flow guide (54) is adapted to the heat dissipation pipes (16). A valve (53) is fixedly installed at the connection between the first air supply pipe (48) and the second air supply pipe (52).

9. The flue gas purification and treatment device for carbon black production and processing according to claim 8, characterized in that: The inner wall of the heat dissipation pipe (16) is uniformly fixed with several heat dissipation fins (55).

10. An operating method for a flue gas purification and treatment device for carbon black production and processing, characterized in that: This operating method is applicable to the flue gas purification and treatment device for carbon black production and processing as described in claim 9, and the operating method includes the following steps: S1: After starting flue gas purification, turn on the water pump (12) and air pump (47), open valve two (53) and close valve one (51). After the flue gas is cooled by the baffle plate (9) and heat dissipation pipe (16) in the cooling box (3), it enters the box (1), is filtered by the dust bag (7), and is finally discharged from the outlet (5). During this process, before the electromagnetic pulse valve (21) is opened, motor one (32) is started and drives the valve core (25) to rotate, so that the through slot one (30) can circulate airflow and realize online dust removal. S2: When the flue gas purification is stopped and offline cleaning is performed, the water pump (12) and valve two (53) are turned off. During this process, the electromagnetic pulse valve (21) and valve one (51) are opened alternately. Before the electromagnetic pulse valve (21) is opened, the motor one (32) drives the valve core (25) to rotate, so that the airflow can pass through the through slot one (30). Before the valve one (51) is opened, the motor one (32) drives the valve core (25) to rotate, so that the airflow can pass through the through slot two (31), thereby achieving a composite cleaning effect of high pressure pulse and low pressure continuous blowing. S3: After valve one (51) is opened, motor two (46) starts and drives the reciprocating screw (45) to rotate, so that the slider (43) drives the bracket (40) and the push rod (41) to move up and down, thereby making the exhaust pipe (28) complete the up and down reciprocating motion under the cooperation of the push rod (41) and the spring (39) to realize up and down reciprocating purging.

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