Flue gas desulfurization and denitrification treatment device with self-cleaning function

Abstract

The invention discloses a flue gas desulfurization and denitrification treatment device with a self-cleaning function, and relates to the technical field of flue gas treatment.The technical scheme includes that the flue gas desulfurization and denitrification treatment device comprises a reaction tower, a coaxial reversing mechanism is fixedly connected to the upper portion of the reaction tower, and an outer rod and an inner rod arranged in the reaction tower are driven by the coaxial reversing mechanism to rotate reversely; the inner rod is arranged in the outer rod and rotationally connected with the outer rod, the bottom of the outer rod is fixedly connected with a first gear, the first gear is in meshed connection with a seventh gear, the lower portion of the seventh gear is rotationally connected with a rotating rod, the rotating rod is fixedly connected with the inner rod, and the upper portion of the seventh gear is fixedly connected with a first transmission wheel. The outer rod rotates to drive a first gear to rotate, the first gear rotates to drive a seventh gear to rotate so as to drive a first eccentric shaft to rotate, the first eccentric shaft rotates to drive a vibration rod to move up and down in a reciprocating mode, then a scraper is driven to vibrate up and down to shake off impurities attached to the scraper, and the self-cleaning effect of the device is effectively guaranteed.

Description

Technical Field

[0001] The present invention relates to the technical field of flue gas treatment, and in particular to a flue gas desulfurization and denitrification treatment device with a self-cleaning function. Background Art

[0002] The flue gas desulfurization and denitrification treatment device with self-cleaning function is an environmental protection equipment that integrates efficient purification and intelligent maintenance. It achieves in-depth treatment of sulfur dioxide and nitrogen oxides through synergistic removal technology. Its self-cleaning system adopts dynamic pulse backflushing and intelligent monitoring technology, which can automatically remove dust and reaction by-products on the catalyst surface to avoid blockage and efficiency degradation, and ensure long-term stable operation. The device has built-in multi-stage reaction units, combined with wet desulfurization and selective catalytic reduction denitrification processes to achieve ultra-low emission standards while reducing operating energy consumption and labor maintenance costs. The equipment is widely used in power, steel, chemical and other fields, significantly improving flue gas treatment efficiency and helping enterprises achieve green production and sustainable development goals.

[0003] During the actual use of the existing device, when the self-cleaning device cleans the inner wall of the reaction tower through a scraper, a large amount of dust and impurities will adhere to the scraper as the cleaning time increases, which will cause the scraper cleaning effect to decrease, thereby affecting the self-cleaning effect of the device. Therefore, a flue gas desulfurization and denitrification treatment device with a self-cleaning function is proposed. Summary of the Invention

[0004] The purpose of the present invention is to solve the problem in the prior art that when the self-cleaning device cleans the inner wall of the reaction tower through a scraper, a large amount of dust and impurities will adhere to the scraper as the cleaning time increases, which will cause the scraper cleaning effect to decrease, thereby affecting the self-cleaning effect of the device. A flue gas desulfurization and denitrification treatment device with self-cleaning function is proposed.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions: The transmission gear of the present invention is a gear selected from the group consisting of a first gear, a second gear selected from the group consisting of a first gear and a second gear selected from the group consisting of a first gear and a second gear selected from the group consisting of a first gear and a second gear selected from the group consisting of a first gear and a second gear selected from the group consisting of a first gear and a second gear selected from the group consisting of a first gear and a second gear selected from the group consisting of a first gear and a second gear selected from the group consisting of a first gear and a second gear selected from the group consisting of a

[0006] The coaxial reversing mechanism drives the outer rod and the inner rod to reverse. The rotation of the inner rod drives the fixedly connected rotating rod to rotate, and then drives the scraper to scrape along the inner wall of the reaction tower for cleaning. The rotation of the outer rod drives the first gear to rotate, and the rotation of the first gear drives the seventh gear to rotate, and then drives the first eccentric shaft to rotate. The rotation of the first eccentric shaft drives the vibration rod to move up and down, thereby driving the scraper fixedly connected to the outer rod to vibrate up and down, so that dust and impurities attached to the scraper are automatically removed by vibration.

[0007] The above technical solution further includes: The coaxial reversing mechanism comprises a control housing fixedly connected to the top of the reaction tower, a first motor is provided on the upper portion of the control housing, and a control component is provided at the output end of the first motor.

[0008] The control assembly includes a second gear provided at the output end of the first motor, the second gear is meshedly connected to the third gear, the third gear is fixedly connected to the fourth gear, and the fourth gear is rotationally connected to the control housing.

[0009] One side of the fourth gear is meshedly connected to the fifth gear, the fifth gear is meshedly connected to the sixth gear, the lower part of the sixth gear is fixedly connected to an outer rod, and both sides of the outer rod are rotatably connected to spoilers.

[0010] An inner rod is fixedly connected to the lower portion of the fourth gear, the inner rod is rotationally connected to the sixth gear, and spoilers are rotationally connected to both sides of the sixth gear.

[0011] A turbofan is fixedly connected to the upper portion of the inner rod, an air inlet and a feed port are provided on both sides of the turbofan, the air inlet and the feed port are fixedly connected to the reaction tower, and an air outlet is fixedly connected to the bottom of the reaction tower.

[0012] A sieve plate is fixedly connected to the lower part of the reaction tower, and an electric telescopic rod is fixedly connected to the lower part of the reaction tower. A baffle is provided at the output end of the electric telescopic rod, and the baffle is slidably connected to the collection chamber. The collection chamber is fixedly connected to the lower part of the reaction tower. There are two electric telescopic rods, which are provided on both sides of the reaction tower. When the baffle is closed, the joints are tightly connected and no air leakage occurs.

[0013] The bottom of the reaction tower is fixedly connected to a flapping shell, the interior of the flapping shell is rotatably connected to a third transmission wheel, and the third transmission wheel is fixedly connected to the inner rod.

[0014] The third transmission wheel is connected to the second transmission belt, the second transmission belt is connected to the fourth transmission wheel, the fourth transmission wheel is fixedly connected to the second eccentric shaft, the second eccentric shaft is rotatably connected to the second connecting rod, the second connecting rod is rotatably connected to the beating head, and the beating head is slidably connected to the beating shell.

[0015] The present invention has the following beneficial effects: 10. In the present invention, during the reaction process, the coaxial reversing mechanism drives the outer rod and the inner rod to reverse, and the rotation of the inner rod can drive the fixedly connected rotating rod to rotate, and the rotation of the rotating rod can drive the scraper to move along the inner wall of the reaction tower, thereby effectively scraping off the impurities attached to the reaction tower. However, as the use time increases, impurities will also adhere to the upper part of the scraper, thereby affecting the cleaning effect, and the rotation of the outer rod can drive the first gear to rotate, and the rotation of the first gear drives the seventh gear to rotate, and then drives the first eccentric shaft to rotate, and the rotation of the first eccentric shaft drives the vibration rod to move up and down, and then drives the scraper to vibrate up and down to shake off the impurities attached to itself, effectively ensuring the self-cleaning effect of the device.

[0016] 11. In the present invention, the flue gas enters the interior of the reaction tower through the air inlet and reacts with the catalyst entering through the feed port. The sulfur and nitrate in the flue gas are removed and reaction products are generated. The upper part of the outer rod and the inner rod are both provided with spoilers. The spoilers located on the upper and lower layers rotate in opposite directions, which can effectively disturb the flow, thereby delaying the falling time of the flue gas, effectively increasing the reaction time of the flue gas and the catalyst, and improving the desulfurization and denitrification effect of the flue gas. Moreover, the falling impurities can be separated from the flue gas after the reaction under the action of the sieve plate, and the impurities can finally enter the collection chamber for collection. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic structural diagram of a flue gas desulfurization and denitrification treatment device with self-cleaning function proposed by the present invention; Figure 2 Schematic diagram of the internal structure of the reaction tower in the present invention; Figure 3 Schematic diagram of the internal structure of the control housing in the present invention; Figure 4 Schematic diagram of the connection relationship of the rotating rod in the present invention; Figure 5 Schematic diagram of the internal structure of the sieve plate in the present invention; Figure 6 It is a schematic diagram of the internal structure of the flapping shell in the present invention.

[0018] In the figure: 1. reaction tower; 2. air inlet; 3. feed port; 4. air outlet; 5. collecting chamber; 6. electric telescopic rod; 7. first motor; 8. control housing; 9. baffle; 10. spoiler; 11. outer rod; 12. inner rod; 13. scraper; 14. first gear; 15. sieve plate; 16. rotating rod; 17. turbofan; 18. second gear; 19. third gear; 20. fourth gear; 21. fifth gear; 22. sixth gear; 23. seventh gear; 24. first transmission wheel; 25. first transmission belt; 26. second transmission wheel; 27. eighth gear; 28. ninth gear; 29. ​​first eccentric shaft; 30. first connecting rod; 31. vibration rod; 32. flapping housing; 33. flapping head; 34. third transmission wheel; 35. second transmission belt; 36. fourth transmission wheel; 37. second eccentric shaft; 38. second connecting rod. DETAILED DESCRIPTION

[0019] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. 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.

[0020] Example 1 like Figures 1-6As shown, a flue gas desulfurization and denitrification treatment device with a self-cleaning function includes a reaction tower 1, a coaxial reversing mechanism is fixedly connected to the upper part of the reaction tower 1, and the outer rod 11 and the inner rod 12 arranged inside the reaction tower 1 are driven to reverse by the coaxial reversing mechanism. The inner rod 12 is arranged inside the outer rod 11 and is rotatably connected thereto. The bottom of the outer rod 11 is fixedly connected to a first gear 14, and the first gear 14 is meshedly connected to a seventh gear 23. The lower part of the seventh gear 23 is rotatably connected to a rotating rod 16, and the rotating rod 16 is fixedly connected to the inner rod 12. The upper part of the seventh gear 23 is fixed. It is connected to a first transmission wheel 24, the first transmission wheel 24 is transmission-connected to a first transmission belt 25, the first transmission belt 25 is transmission-connected to a second transmission wheel 26, the lower part of the second transmission wheel 26 is fixedly connected to an eighth gear 27, the eighth gear 27 is meshedly connected to a ninth gear 28, the ninth gear 28 is fixedly connected to a first eccentric shaft 29, the first eccentric shaft 29 is rotationally connected to a first connecting rod 30, the first connecting rod 30 is rotationally connected to a vibration rod 31, the lower part of the vibration rod 31 is fixedly connected to a scraper 13, and the scraper 13 is slidingly connected to the rotating rod 16.

[0021] The coaxial reversing mechanism drives the outer rod 11 and the inner rod 12 to reverse. The rotation of the inner rod 12 drives the fixedly connected rotating rod 16 to rotate, thereby driving the scraper 13 to scrape along the inner wall of the reaction tower 1 for cleaning. The rotation of the outer rod 11 drives the first gear 14 to rotate, and the rotation of the first gear 14 drives the seventh gear 23 to rotate, thereby driving the first eccentric shaft 29 to rotate. The rotation of the first eccentric shaft 29 drives the vibration rod 31 to move back and forth up and down, thereby driving the scraper 13 fixedly connected to the outer rod 11 to vibrate up and down, so that the dust and impurities attached to the scraper 13 are automatically fallen off by vibration.

[0022] In this embodiment, during the reaction process, the coaxial reversing mechanism drives the outer rod 11 and the inner rod 12 to rotate in opposite directions. The rotation of the inner rod 12 can drive the fixedly connected rotating rod 16 to rotate, and the rotation of the rotating rod 16 can drive the scraper 13 to rotate along the inner wall of the reaction tower 1, thereby effectively scraping off the impurities attached to the reaction tower 1 and realizing automatic cleaning. However, as the use time increases, impurities will also adhere to the upper part of the scraper 13, thereby affecting the cleaning effect.

[0023] The rotation of the outer rod 11 can drive the fixedly connected first gear 14 to rotate, and the rotation of the first gear 14 drives the meshingly connected seventh gear 23 to rotate. The rotation of the seventh gear 23 drives the fixedly connected first transmission wheel 24 to rotate. The rotation of the first transmission wheel 24 drives the second transmission wheel 26 connected via the first transmission belt 25 to rotate. The rotation of the second transmission wheel 26 can drive the fixedly connected eighth gear 27 to rotate. The rotation of the eighth gear 27 drives the meshingly connected ninth gear 28 to rotate. The rotation of the ninth gear 28 can drive the fixedly connected first eccentric shaft 29 to rotate. The rotation of the first eccentric shaft 29 drives the rotatably connected first connecting rod 30 to rotate. The rotation of the first connecting rod 30 drives the rotatably connected vibration rod 31 to move back and forth up and down, thereby driving the scraper 13 to vibrate up and down, thereby shaking off impurities attached to itself, effectively ensuring the self-cleaning effect of the device.

[0024] Example 2 like Figures 1-6 As shown, the coaxial reversing mechanism includes a control housing 8 fixedly connected to the top of the reaction tower 1, a first motor 7 is provided on the upper part of the control housing 8, and a control component is provided at the output end of the first motor 7. The control component includes a second gear 18 provided at the output end of the first motor 7, the second gear 18 is meshedly connected to the third gear 19, the third gear 19 is fixedly connected to the fourth gear 20, the fourth gear 20 is rotatably connected to the control housing 8, one side of the fourth gear 20 is meshedly connected to the fifth gear 21, the fifth gear 21 is meshedly connected to the sixth gear 22, the lower part of the sixth gear 22 is fixedly connected to the outer rod 11, and the two sides of the outer rod 11 are rotatably connected to the spoiler 10, the lower part of the fourth gear 20 is fixedly connected to the inner rod 12, the inner rod 12 is rotatably connected to the sixth gear 22, and the two sides of the sixth gear 22 are rotatably connected to the spoiler 10.

[0025] The upper part of the inner rod 12 is fixedly connected to a turbofan 17, and an air inlet 2 and a feed port 3 are provided on both sides of the turbofan 17. The air inlet 2 and the feed port 3 are fixedly connected to the reaction tower 1, and the bottom of the reaction tower 1 is fixedly connected to the air outlet 4. The lower part of the reaction tower 1 is fixedly connected to the sieve plate 15. The lower part of the reaction tower 1 is fixedly connected to an electric telescopic rod 6. The output end of the electric telescopic rod 6 is provided with a baffle 9. The baffle 9 is slidably connected to the collection chamber 5. The collection chamber 5 is fixedly connected to the lower part of the reaction tower 1. There are two electric telescopic rods 6, which are provided on both sides of the reaction tower 1. When the baffle 9 is closed, the joints are connected Tight, there will be no air leakage. The bottom of the reaction tower 1 is fixedly connected to a flapping shell 32, and the inside of the flapping shell 32 is rotatably connected to a third transmission wheel 34. The third transmission wheel 34 is fixedly connected to the inner rod 12, and the third transmission wheel 34 is transmission-connected to a second transmission belt 35. The second transmission belt 35 is transmission-connected to a fourth transmission wheel 36. The fourth transmission wheel 36 is fixedly connected to a second eccentric shaft 37. The second eccentric shaft 37 is rotationally connected to a second connecting rod 38. The second connecting rod 38 is rotationally connected to a flapping head 33, and the flapping head 33 is slidingly connected to the flapping shell 32.

[0026] In this embodiment, by starting the first motor 7, the second gear 18 can be driven to rotate, and the rotation of the second gear 18 drives the meshing third gear 19 to rotate, and the rotation of the third gear 19 drives the fixedly connected fourth gear 20 to rotate, and the rotation of the fourth gear 20 drives the meshing fifth gear 21 on one side to rotate, and the rotation of the fifth gear 21 can drive the meshing sixth gear 22 to rotate. Under the connection action of the fifth gear 21, the fourth gear 20 and the sixth gear 22 rotate in opposite directions, thereby also causing the inner rod 12 and the outer rod 11 fixedly connected to the fourth gear 20 and the sixth gear 22 to be coaxially reversed.

[0027] The flue gas enters the reaction tower 1 through the air inlet 2 and reacts with the catalyst entering through the feed port 3. The sulfur and nitrate in the flue gas are removed and reaction products are generated. The outer rod 11 and the inner rod 12 are both provided with spoilers 10 on the upper part. The spoilers 10 located on the upper and lower layers rotate in opposite directions, which can effectively disturb the flow, thereby delaying the falling time of the flue gas, effectively increasing the reaction time of the flue gas and the catalyst, and improving the desulfurization and denitrification effect of the flue gas. The rotation of the turbofan 17 can guide the flue gas after the reaction to move downward, and the falling impurities can be separated from the flue gas after the reaction under the action of the sieve plate 15. The flue gas can be discharged through the air outlet 4. After the reaction of the impurities is completed, the electric telescopic rod 6 is started to drive the baffle 9 to move upward, so that The impurities accumulated at the bottom of the sieve plate 15 enter the collecting chamber 5 for collection. During the screening process of the sieve plate 15, the rotation of the inner rod 12 can also drive the third transmission wheel 34 to rotate. The rotation of the third transmission wheel 34 drives the fourth transmission wheel 36 connected by the second transmission belt 35 to rotate. The rotation of the fourth transmission wheel 36 drives the fixedly connected second eccentric shaft 37 to rotate. The rotation of the second eccentric shaft 37 drives the rotatably connected second connecting rod 38 to rotate. The rotation of the second connecting rod 38 drives the rotatably connected slapping head 33 to move back and forth, so that the sieve plate 15 can be repeatedly slapped, so that the impurities attached to the surface of the sieve plate 15 are knocked off to the bottom of the sieve plate 15, preventing the impurities from blocking the sieve plate 15 and affecting the filtering effect.

[0028] 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. A flue gas desulfurization and denitrification treatment device with a self-cleaning function, comprising a reaction tower (1), characterized in that: The upper portion of the reaction tower (1) is fixedly connected to a coaxial reversing mechanism, and the outer rod (11) and the inner rod (12) arranged inside the reaction tower (1) are driven to reverse by the coaxial reversing mechanism. The inner rod (12) is arranged inside the outer rod (11) and is rotatably connected thereto. The bottom of the outer rod (11) is fixedly connected to a first gear (14), and the first gear (14) is meshedly connected to a seventh gear (23). The lower portion of the seventh gear (23) is rotatably connected to a rotating rod (16), and the rotating rod (16) is fixedly connected to the inner rod (12). The upper portion of the seventh gear (23) is fixedly connected to a first transmission wheel (24), and the first transmission wheel ( 24) is connected to a first transmission belt (25) for transmission, the first transmission belt (25) is connected to a second transmission wheel (26) for transmission, the lower portion of the second transmission wheel (26) is fixedly connected to an eighth gear (27), the eighth gear (27) is meshedly connected to a ninth gear (28), the ninth gear (28) is fixedly connected to a first eccentric shaft (29), the first eccentric shaft (29) is rotatably connected to a first connecting rod (30), the first connecting rod (30) is rotatably connected to a vibration rod (31), the lower portion of the vibration rod (31) is fixedly connected to a scraper (13), the scraper (13) is slidably connected to the rotating rod (16); The coaxial reversing mechanism drives the outer rod (11) and the inner rod (12) to reverse, and the rotation of the inner rod (12) drives the fixedly connected rotating rod (16) to rotate, thereby driving the scraper (13) to scrape along the inner wall of the reaction tower (1) for cleaning, and the rotation of the outer rod (11) drives the first gear (14) to rotate, and the rotation of the first gear (14) drives the seventh gear (23) to rotate, thereby driving the first eccentric shaft (29) to rotate, and the rotation of the first eccentric shaft (29) drives the vibration rod (31) to move up and down, thereby driving the scraper (13) fixedly connected to the outer rod (11) to vibrate up and down, so that dust and impurities attached to the scraper (13) are automatically removed by the vibration.

2. The flue gas desulfurization and denitrification treatment device with self-cleaning function according to claim 1, characterized in that: The coaxial reversing mechanism comprises a control housing (8) fixedly connected to the top of the reaction tower (1); a first motor (7) is provided on the upper portion of the control housing (8); and a control component is provided at the output end of the first motor (7).

3. The flue gas desulfurization and denitrification treatment device with self-cleaning function according to claim 2, characterized in that: The control assembly comprises a second gear (18) provided at the output end of the first motor (7), the second gear (18) being meshedly connected to a third gear (19), the third gear (19) being fixedly connected to a fourth gear (20), and the fourth gear (20) being rotationally connected to the control housing (8).

4. The flue gas desulfurization and denitrification treatment device with self-cleaning function according to claim 3, characterized in that: One side of the fourth gear (20) is meshedly connected to a fifth gear (21), the fifth gear (21) is meshedly connected to a sixth gear (22), the lower portion of the sixth gear (22) is fixedly connected to an outer rod (11), and both sides of the outer rod (11) are rotatably connected to spoilers (10).

5. The flue gas desulfurization and denitrification treatment device with self-cleaning function according to claim 3, characterized in that: The lower portion of the fourth gear (20) is fixedly connected to an inner rod (12), the inner rod (12) is rotationally connected to the sixth gear (22), and spoilers (10) are rotationally connected to both sides of the sixth gear (22).

6. The flue gas desulfurization and denitrification treatment device with self-cleaning function according to claim 5, characterized in that: A turbofan (17) is fixedly connected to the upper portion of the inner rod (12), an air inlet (2) and a feed port (3) are provided on both sides of the turbofan (17), the air inlet (2) and the feed port (3) are fixedly connected to the reaction tower (1), and an air outlet (4) is fixedly connected to the bottom of the reaction tower (1).

7. The flue gas desulfurization and denitrification treatment device with self-cleaning function according to claim 1, characterized in that: A sieve plate (15) is fixedly connected to the lower portion of the reaction tower (1), an electric telescopic rod (6) is fixedly connected to the lower portion of the reaction tower (1), a baffle (9) is provided at the output end of the electric telescopic rod (6), the baffle (9) is slidably connected to the collection chamber (5), and the collection chamber (5) is fixedly connected to the lower portion of the reaction tower (1).

8. The flue gas desulfurization and denitrification treatment device with self-cleaning function according to claim 1, characterized in that: The bottom of the reaction tower (1) is fixedly connected to a flapping shell (32), the interior of the flapping shell (32) is rotatably connected to a third transmission wheel (34), and the third transmission wheel (34) is fixedly connected to the inner rod (12).

9. The flue gas desulfurization and denitrification treatment device with self-cleaning function according to claim 8, characterized in that: The third transmission wheel (34) is transmission-connected to a second transmission belt (35), the second transmission belt (35) is transmission-connected to a fourth transmission wheel (36), and the fourth transmission wheel (36) is fixedly connected to a second eccentric shaft (37).

10. The flue gas desulfurization and denitrification treatment device with self-cleaning function according to claim 9, characterized in that: The second eccentric shaft (37) is rotatably connected to a second connecting rod (38), and the second connecting rod (38) is rotatably connected to a beating head (33). The beating head (33) is slidably connected to the beating housing (32).

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