Desulfurization, dust removal and energy conservation integrated device for tail gas treatment of coal-fired boiler

Abstract

The invention relates to the technical field of tail gas treatment, and provides a desulfurization, dust removal and energy conservation integrated device for coal-fired boiler tail gas treatment, which is convenient for desulfurization and dust removal of tail gas generated by a coal-fired boiler, fully utilizes heat and reduces heat loss, and comprises a tail gas flue, a heat recovery mechanism, a dust removal mechanism and a desulfurization mechanism, the heat recovery mechanism is arranged on the tail gas flue and used for recovering heat on the tail gas flue, the heat recovery mechanism comprises an energy-saving pipe, a water pump and a water outlet pipe, the energy-saving pipe is fixedly connected to the tail gas flue, water is arranged in the energy-saving pipe, the water pump communicates with the energy-saving pipe, the water outlet pipe communicates with the water pump, and the dust removal mechanism is arranged on the tail gas flue. The dust removal mechanism is arranged on the dust removal mechanism and used for removing dust in tail gas, the desulfurization mechanism is arranged on the dust removal mechanism and used for removing sulfur dioxide in the tail gas, the flue pipe communicates with the dust removal box, the desulfurization box communicates with the flue pipe, and the exhaust pipe communicates with the desulfurization box.

Description

Technical Field

[0001] The invention relates to the technical field of tail gas treatment, and in particular to an integrated desulfurization, dust removal and energy-saving device for tail gas treatment of a coal-fired boiler. Background Art

[0002] Coal-fired boilers are indispensable in engineering construction and people's daily life. However, the exhaust gas produced by coal-fired boilers contains a large amount of dust and sulfur dioxide, which will cause air pollution if directly discharged into the air. Therefore, it is necessary to desulfurize and remove dust from the exhaust gas of coal-fired boilers. Summary of the invention

[0003] In view of the problem that the tail gas generated by the coal-fired boiler in the prior art contains a large amount of dust and sulfur dioxide, which will cause air pollution if directly discharged into the air, the present invention provides an integrated desulfurization, dust removal and energy-saving device for treating the tail gas of the coal-fired boiler.

[0004] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: an integrated desulfurization and dust removal energy-saving device for coal-fired boiler exhaust gas treatment, comprising an exhaust gas duct, a heat recovery mechanism, a dust removal mechanism and a desulfurization mechanism, wherein the heat recovery mechanism is arranged on the exhaust gas duct to recover the heat on the exhaust gas duct, the dust removal mechanism is arranged on the exhaust gas duct to remove dust in the exhaust gas, and the desulfurization mechanism is arranged on the dust removal mechanism to remove sulfur dioxide in the exhaust gas.

[0005] Preferably, the heat recovery mechanism includes an energy-saving pipe, a water pump and a water outlet pipe, the energy-saving pipe is fixedly connected to the exhaust flue, and water is arranged in the energy-saving pipe, the water pump is connected to the energy-saving pipe, and the water outlet pipe is connected to the water pump.

[0006] Furthermore, the dust removal mechanism includes a dust removal box, a sliding frame, a sealing door, a sliding drive assembly, a clamping assembly and a filter bag. The dust removal box is connected to the exhaust gas duct, the sliding frame is slidably connected to the dust removal box, the sealing door is fixedly connected to the sliding frame, the sliding drive assembly is arranged on the sealing door for driving the sliding frame to slide, a plurality of clamping assemblies are provided, the clamping assemblies are arranged on the sliding frame, a plurality of filter bags are provided, and a plurality of the filter bags are respectively arranged on a plurality of the clamping assemblies.

[0007] Furthermore, the sliding drive assembly includes a rotating screw, a threaded barrel and a first motor. The rotating screw is rotatably connected to the sealing door, the threaded barrel is threadedly sleeved on the rotating screw, and the threaded barrel is fixedly connected to the dust removal box. The first motor is fixedly installed on the sealing door, and the output end of the first motor passes through the sealing door and is concentrically connected to the rotating screw.

[0008] Furthermore, the clamping assembly includes a fixed plate, a rotating rod, a clamping plate, a rotating gear, a protective box and a driving assembly, wherein four fixed plates are provided, and the fixed plates are fixedly connected to the sliding frame, four rotating rods are provided, and the rotating rods are rotatably connected to the fixed plate, four clamping plates are provided, and the four clamping plates are respectively fixedly mounted on the four rotating rods, four rotating gears are provided, and the four rotating gears are respectively fixedly mounted on the four rotating rods, and the two rotating gears located on one side are meshed with each other, two protective boxes are provided, and the protective boxes are fixedly connected to the fixed plate, and the protective box cover is provided on the rotating gear, and the driving assembly is provided on the fixed plate, for driving the rotating rod to rotate.

[0009] Preferably, on the basis of the above scheme, the driving assembly includes a protection box, a driving rod, a transmission wheel, a transmission belt and a second motor, the protection box is fixedly connected to the two fixed plates located on one side, two driving rods are provided, the driving rods are fixedly connected to the rotating rod, and the driving rod passes through the fixed plate and is rotatably connected to the protection box, two transmission wheels are provided, the two transmission wheels are respectively fixedly mounted on the two driving rods, the transmission belt is transmission-connected between the two transmission wheels, the second motor is fixedly mounted on the protection box, and the output end of the second motor passes through the protection box and is concentrically connected to one of the driving rods.

[0010] Further on the basis of the above scheme, the desulfurization mechanism includes a flue pipe, a desulfurization box, an exhaust pipe, a sliding block, a sliding rod, a sealing plate, an opposing component, a supporting grid, activated carbon particles, a sealing cover and a connecting component, the flue pipe is connected to the dust removal box, the desulfurization box is connected to the flue pipe, the exhaust pipe is connected to the desulfurization box, there are multiple sliding blocks, the sliding blocks are fixedly connected to the desulfurization box, there are multiple sliding rods, the multiple sliding rods are slidably connected to the multiple sliding blocks, there are two sealing plates, the sealing plates are fixedly connected to the multiple sliding rods located on one side, the opposing component is arranged on the desulfurization box, and is used to drive the two sealing plates to move toward each other, the supporting grid is fixedly connected to the sealing plate, the activated carbon particles are arranged in the supporting grid, the sealing cover is arranged on the supporting grid, and the connecting component is arranged between the sealing cover and the supporting grid, and is used to connect the sealing cover to the supporting grid.

[0011] Further on the basis of the above scheme, the opposing components include a fixed frame, a rotating shaft, a rotating gear, a connecting rod, a moving block, a rack and a third motor. The fixed frame is fixedly connected to the desulfurization box, the rotating shaft is rotatably connected between the fixed frame and the desulfurization box, the rotating gear is fixedly sleeved on the rotating shaft, there are two connecting rods, and the two connecting rods are respectively fixedly connected to the two sealing plates, there are two moving blocks, and the two moving blocks are respectively fixedly connected to the two connecting rods, and the moving block is slidably connected to the desulfurization box, there are two racks, and the two racks are respectively fixedly connected to the two connecting rods, and the rack is meshed with the rotating gear, the third motor is fixedly installed on the fixed frame, and the output end of the third motor passes through the fixed frame and is concentrically connected to the rotating shaft.

[0012] Further on the basis of the above scheme, the connecting assembly includes a positioning plate, a positioning block, a clamping block and a telescopic spring, the positioning plate is fixedly connected to the sealing cover, the positioning block is fixedly connected to the supporting grid, and the positioning block is provided with a positioning groove matching the positioning plate, the clamping block is slidably connected to the positioning plate, and the positioning block is provided with a clamping groove matching the clamping block, and the telescopic spring is connected between the clamping block and the positioning plate.

[0013] Specifically, a plurality of partition plates are fixedly connected to the desulfurization box.

[0014] Compared with the known public technology, the present invention provides an integrated desulfurization and dust removal energy-saving device for coal-fired boiler tail gas treatment, which has the following beneficial effects: In the present invention, the heat recovery mechanism recovers the heat on the exhaust flue, the dust removal mechanism removes the dust in the exhaust gas, and the desulfurization mechanism removes the sulfur dioxide in the exhaust gas. Therefore, the desulfurization and dust removal energy-saving integrated device for the exhaust gas treatment of the coal-fired boiler is convenient for desulfurization and dust removal of the exhaust gas generated by the coal-fired boiler, and fully utilizes the heat to reduce heat loss. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the prior art descriptions are briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention, and for ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0016] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2It is a schematic diagram of the structure of the dust removal box, the sliding frame and the filter bag of the present invention; Figure 3 It is a schematic diagram of the structure of the fixed plate, the rotating rod and the clamping plate of the present invention; Figure 4 It is a schematic diagram of the partial cross-section structure of the clamping plate, the protection box and the protection box of the present invention; Figure 5 For the present invention Figure 4 A schematic diagram of the local enlarged structure at point A in the middle; Figure 6 For the present invention Figure 4 A schematic diagram of the local enlarged structure at B in the middle; Figure 7 It is a schematic diagram of a partially exploded cross-section of the structure of the rotating screw, the threaded barrel and the first motor of the present invention; Figure 8 This is a schematic diagram of the structure of the desulfurization box, sealing plate and fixing frame of the present invention; Fig. 9 It is a schematic diagram of a partial cross-section of the structure of the sliding block, the sliding rod and the sealing plate of the present invention; Fig.10 This is a schematic diagram of the structure of the sliding rod, the sealing plate and the supporting grid etc. of the present invention; Fig.11 It is a schematic diagram of a partial cross-section of the structure of the supporting grid, activated carbon particles and sealing cover of the present invention; Fig.12 It is a schematic diagram of a partial cross-section of the structure of the positioning plate, the clamping block and the telescopic spring of the present invention; Fig.13 It is a schematic diagram of the structure of the cooperation of the rotating shaft, rotating gear and connecting rod etc. of the present invention; Fig.14 It is a schematic diagram of the planar structure of the cooperation of the rotating shaft, the rotating gear and the connecting rod of the present invention; Fig.15 It is a front plan view structural diagram of the coordination of the desulfurization box and the partition plate of the present invention.

[0017] The numbers in the figure represent: 1, exhaust flue; 2, energy-saving pipe; 3, water pump; 4, water outlet pipe; 5, dust removal box; 6, sliding frame; 7, sealing door; 8, filter bag; 9, rotating screw; 10, threaded barrel; 11, first motor; 12, fixed plate; 13, rotating rod; 14, clamping plate; 15, rotating gear; 16, protective box; 17, protective box; 18, driving rod; 19, transmission wheel; 20, transmission belt; 21, second motor ; 22. Flue pipe; 23. Desulfurization box; 24. Exhaust pipe; 25. Sliding block; 26. Sliding rod; 27. Sealing plate; 28. Support grid; 29. ​​Activated carbon particles; 30. Sealing cover; 31. Fixed frame; 32. Rotating shaft; 33. Rotating gear; 34. Connecting rod; 35. Moving block; 36. Rack; 37. Third motor; 38. Positioning plate; 39. Positioning block; 40. Block; 41. Telescopic spring; 42. Spacer. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0019] Example 1 See also Figure 1-15 , a desulfurization and dust removal energy-saving integrated device for coal-fired boiler tail gas treatment, including a tail gas flue 1, a heat recovery mechanism, a dust removal mechanism and a desulfurization mechanism. The heat recovery mechanism is arranged on the tail gas flue 1, and is used to recover the heat on the tail gas flue 1. The heat recovery mechanism includes an energy-saving pipe 2, a water pump 3 and a water outlet pipe 4. The energy-saving pipe 2 is fixedly connected to the tail gas flue 1, and water is arranged in the energy-saving pipe 2. The energy-saving pipe 2 is fixedly wound on the tail gas flue 1. The tail gas temperature in the tail gas flue 1 is relatively high, which will increase the water temperature in the energy-saving pipe 2. The water pump 3 is connected to the energy-saving pipe 2, and the water outlet pipe 4 is connected to the water pump 3. The energy-saving pipe 2 is connected to a water supply source. The tail gas in the tail gas flue 1 increases the water temperature in the energy-saving pipe 2. The water pump 3 pumps the water out of the water pump 3 through the water outlet pipe 4 for use, which effectively utilizes the heat and reduces the heat energy consumption.

[0020] See also Figure 1-15The dust removal mechanism is arranged on the exhaust flue 1, and is used to remove dust in the exhaust gas. The dust removal mechanism includes a dust removal box 5, a sliding frame 6, a sealing door 7, a sliding drive assembly, a clamping assembly and a filter bag 8. The dust removal box 5 is connected to the exhaust flue 1, the sliding frame 6 is slidably connected to the dust removal box 5, the sealing door 7 is fixedly connected to the sliding frame 6, and a sealing strip is fixedly connected to the sealing door 7. The sliding drive assembly is arranged on the sealing door 7, and is used to drive the sliding frame 6 to slide. The sliding drive assembly includes a rotating screw 9, a threaded barrel 10 and a first motor 11. The rotating screw 9 is rotatably connected to the sealing door 7, the threaded barrel 10 is threadedly sleeved on the rotating screw 9, and the threaded barrel 10 is fixedly connected to the dust removal box 5, the first motor 11 is fixedly installed on the sealing door 7, and the first The output end of the motor 11 passes through the sealing door 7 and is concentrically connected to the rotating screw 9. The output end of the first motor 11 drives the rotating screw 9 to rotate, and through the cooperation of the threaded cylinder 10, drives the sealing door 7 to move, and the sealing door 7 drives the sliding frame 6 to slide, so as to facilitate the filter bag 8 to be taken away from the dust removal box 5, and then facilitate the cleaning or replacement of the dust removal bag. There are multiple clamping assemblies, which are arranged on the sliding frame 6, and there are multiple filter bags 8. Multiple filter bags 8 are respectively arranged on multiple clamping assemblies. The clamping assembly includes a fixed plate 12, a rotating rod 13, a clamping plate 14, a rotating gear 15, a protective box 16 and a driving assembly. There are four fixed plates 12, which are fixedly connected to the sliding frame 6, and there are four rotating rods 13. The rotating rod 13 is rotatably connected to the fixed plate 12, four clamping plates 14 are provided, and the four clamping plates 14 are respectively fixedly sleeved on the four rotating rods 13, four rotating gears 15 are provided, and the four rotating gears 15 are respectively fixedly sleeved on the four rotating rods 13, and the two rotating gears 15 located on one side are meshed with each other, two protective boxes 16 are provided, and the protective box 16 is fixedly connected to the fixed plate 12, and the protective box 16 cover is arranged on the rotating gear 15, and the driving assembly is arranged on the fixed plate 12, and is used to drive the rotating rod 13 to rotate, and the driving assembly includes a protective box 17, a driving rod 18, a transmission wheel 19, a transmission belt 20 and a second motor 21, and the protective box 17 is fixedly connected to the two fixed plates 12 located on one side, and the driving rod 18 is provided with Two, the driving rod 18 is fixedly connected to the rotating rod 13, and the driving rod 18 passes through the fixed plate 12 and is rotatably connected to the protection box 17. Two transmission wheels 19 are provided, and the two transmission wheels 19 are fixedly sleeved on the two driving rods 18 respectively. The transmission belt 20 is transmission-connected between the two transmission wheels 19. The second motor 21 is fixedly installed on the protection box 17. The output end of the second motor 21 passes through the protection box 17 and is concentrically connected to one of the driving rods 18. The output end of the second motor 21 drives the driving rod 18 located on one side to rotate, and the driving rod 18 drives the transmission wheel 19 located on one side to rotate, and the transmission wheel 19 drives the transmission belt 20 to transmit, and the transmission belt 20 drives the transmission wheel 19 and the driving rod 18 on the other side to rotate.The driving rod 18 rotates to drive the rotating rod 13 located on one side thereof to rotate, the rotating rod 13 drives the rotating gear 15 located on one side thereof to rotate, the rotating gear 15 drives another rotating gear 15 meshing with it to rotate in the opposite direction, thereby driving the two clamping plates 14 to rotate in the opposite direction, making it easy to clamp the filter bag 8, convenient for disassembly, and thus cleaning and replacing the filter bag 8.

[0021] See also Figure 1-15The desulfurization mechanism is arranged on the dust removal mechanism, and is used for removing sulfur dioxide in the tail gas. The desulfurization mechanism includes a flue pipe 22, a desulfurization box 23, an exhaust pipe 24, a sliding block 25, a sliding rod 26, a sealing plate 27, an opposing component, a supporting grid 28, activated carbon particles 29, a sealing cover 30 and a connecting component. The flue pipe 22 is connected to the dust removal box 5, the desulfurization box 23 is connected to the flue pipe 22, and the exhaust pipe 24 is connected to the desulfurization box 23. The tail gas enters the dust removal box 5 through the tail gas flue 1, and the filter bag 8 filters the dust in the tail gas, and then enters the desulfurization box 23 through the flue pipe 22, and the sulfur dioxide in the tail gas is removed by the activated carbon particles 29, and then discharged through the exhaust pipe 24. The sliding block 25 is provided with a plurality of sliding The block 25 is fixedly connected to the desulfurization box 23, a plurality of sliding rods 26 are provided, and the plurality of sliding rods 26 are slidably connected to the plurality of sliding blocks 25, two sealing plates 27 are provided, and the sealing plate 27 is fixedly connected to the plurality of sliding rods 26 located on one side, and the opposite components are provided on the desulfurization box 23, and are used to drive the two sealing plates 27 to move toward each other, and the opposite components include a fixed frame 31, a rotating shaft 32, a rotating gear 33, a connecting rod 34, a moving block 35, a rack 36 and a third motor 37, the fixed frame 31 is fixedly connected to the desulfurization box 23, the rotating shaft 32 is rotatably connected between the fixed frame 31 and the desulfurization box 23, the rotating gear 33 is fixedly sleeved on the rotating shaft 32, and two connecting rods 34 are provided, and the two connecting rods 34 are respectively fixedly connected to the two On the sealing plate 27, two moving blocks 35 are provided, and the two moving blocks 35 are fixedly connected to the two connecting rods 34 respectively, and the moving blocks 35 are slidably connected to the desulfurization box 23. Two racks 36 are provided, and the two racks 36 are fixedly connected to the two connecting rods 34 respectively, and the racks 36 are meshed with the rotating gear 33. The third motor 37 is fixedly installed on the fixed frame 31, and the output end of the third motor 37 passes through the fixed frame 31 and is concentrically connected to the rotating shaft 32. The output end of the third motor 37 drives the rotating shaft 32 to rotate, and the rotating shaft 32 drives the rotating gear 33 to rotate. The rotating gear 33 drives the two racks 36 to move in the opposite direction, thereby driving the two connecting rods 34 to slide in the opposite direction, and the two connecting rods 34 drive the two sealing The plate 27 moves in the opposite direction to facilitate the replacement of the activated carbon particles 29. The support grid 28 is fixedly connected to the sealing plate 27. The activated carbon particles 29 are arranged in the support grid 28. The sealing cover 30 is arranged on the support grid 28. The connecting component is arranged between the sealing cover 30 and the support grid 28, and is used to connect the sealing cover 30 with the support grid 28. The connecting component includes a positioning plate 38, a positioning block 39, a clamping block 40 and a telescopic spring 41. The positioning plate 38 is fixedly connected to the sealing cover 30, the positioning block 39 is fixedly connected to the support grid 28, and a positioning groove matching the positioning plate 38 is provided on the positioning block 39. The clamping block 40 is slidably connected to the positioning plate 38, and a clamping groove matching the clamping block 40 is provided on the positioning block 39.The telescopic spring 41 is connected between the block 40 and the positioning plate 38. When the block 40 is pressed, the telescopic spring 41 elastically contracts, the block 40 is separated from the slot, and the sealing cover 30 is moved upward to drive the positioning plate 38 to separate from the positioning slot, so that the activated carbon particles 29 can be replaced. A plurality of partition plates 42 are fixedly connected to the desulfurization box 23, and the plurality of partition plates 42 are cross-connected to the desulfurization box 23, so that the exhaust gas can stay in the desulfurization box 23 for a longer time, so that the sulfur dioxide in the exhaust gas can be fully adsorbed by the activated carbon particles 29.

[0022] Example 2 In summary, the desulfurization and dust removal energy-saving integrated device for treating tail gas of a coal-fired boiler, when in use, the tail gas enters the dust removal box 5 through the tail gas flue 1, the filter bag 8 filters the dust in the tail gas, and then enters the desulfurization box 23 through the flue pipe 22, the sulfur dioxide in the tail gas is removed by the activated carbon particles 29, and then discharged through the exhaust pipe 24; Connect the energy-saving pipe 2 to the water supply source, the exhaust gas in the exhaust flue 1 raises the water temperature in the energy-saving pipe 2, and the water pump 3 pumps the water out through the outlet pipe 4 for use; When the filter bag 8 needs to be replaced, the output end of the first motor 11 drives the rotating screw 9 to rotate, and through the cooperation of the threaded cylinder 10, the sealing door 7 is driven to move, and the sealing door 7 drives the sliding frame 6 to slide, so that the filter bag 8 is taken away from the dust removal box 5, and the output end of the second motor 21 drives the driving rod 18 located on one side thereof to rotate, and the driving rod 18 drives the transmission wheel 19 located on one side thereof to rotate, and the transmission wheel 19 drives the transmission belt 20 to transmit, and the transmission belt 20 drives the transmission wheel 19 and the driving rod 18 on the other side to rotate, and the driving rod 18 rotates to drive the rotating rod 13 located on one side thereof to rotate, and the rotating rod 13 drives the rotating gear 15 located on one side thereof to rotate, and the rotating gear 15 drives another rotating gear 15 meshed with it to rotate in the opposite direction, thereby driving the two clamping plates 14 to rotate in the opposite direction, so that the filter bag 8 can be removed without clamping, and the old filter bag 8 can be fixed in the same way; When the activated carbon particles 29 need to be replaced, the output end of the third motor 37 drives the rotating shaft 32 to rotate, the rotating shaft 32 drives the rotating gear 33 to rotate, the rotating gear 33 drives the two racks 36 to move in the opposite direction, thereby driving the two connecting rods 34 to slide in the opposite direction, and the two connecting rods 34 drive the two sealing plates 27 to move in the opposite direction, and then the block 40 is pressed, the telescopic spring 41 elastically contracts, the block 40 disengages from the slot, and the sealing cover 30 is moved upward, driving the positioning plate 38 to disengage from the positioning slot, and the activated carbon particles 29 can be replaced.

[0023] Although 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 the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An integrated desulfurization and dust removal energy-saving device for coal-fired boiler tail gas treatment, comprising a tail gas flue (1), characterized in that: Also includes: A heat recovery mechanism, the heat recovery mechanism being arranged on the exhaust gas duct (1) and being used for recovering heat on the exhaust gas duct (1); A dust removal mechanism, the dust removal mechanism is arranged on the exhaust gas duct (1) and is used to remove dust in the exhaust gas, the dust removal mechanism comprises a dust removal box (5), a sliding frame (6), a sealing door (7), a sliding drive assembly, a clamping assembly and a filter bag (8), the dust removal box (5) is connected to the exhaust gas duct (1), the sliding frame (6) is slidably connected to the dust removal box (5), the sealing door (7) is fixedly connected to the sliding frame (6), the sliding drive assembly is arranged on the sealing door (7) and is used to drive the sliding frame (6) to slide, a plurality of the clamping assemblies are provided, the clamping assemblies are arranged on the sliding frame (6), a plurality of the filter bags (8) are provided, and a plurality of the filter bags (8) are respectively arranged on a plurality of the clamping assemblies; A desulfurization mechanism, the desulfurization mechanism is arranged on the dust removal mechanism and is used to remove sulfur dioxide in the exhaust gas. The desulfurization mechanism comprises a flue pipe (22), a desulfurization box (23), an exhaust pipe (24), a sliding block (25), a sliding rod (26), a sealing plate (27), an opposing component, a supporting grid (28), activated carbon particles (29), a sealing cover (30) and a connecting component. The flue pipe (22) is connected to the dust removal box (5), the desulfurization box (23) is connected to the flue pipe (22), the exhaust pipe (24) is connected to the desulfurization box (23), a plurality of sliding blocks (25) are provided, the sliding blocks (25) are fixedly connected to the desulfurization box (23), and a plurality of sliding rods (26) are provided. The plurality of sliding rods (26) are slidably connected to the plurality of sliding blocks (25), two sealing plates (27) are provided, and the sealing plates (27) are fixedly connected to the plurality of sliding rods (26) located on one side, the opposing components are provided on the desulfurization box (23) and are used to drive the two sealing plates (27) to move toward each other, the supporting grid (28) is fixedly connected to the sealing plate (27), the activated carbon particles (29) are provided in the supporting grid (28), the sealing cover (30) is provided on the supporting grid (28), and the connecting component is provided between the sealing cover (30) and the supporting grid (28) and is used to connect the sealing cover (30) and the supporting grid (28).

2. The desulfurization and dust removal energy-saving integrated device for coal-fired boiler tail gas treatment according to claim 1 is characterized in that: The heat recovery mechanism comprises: An energy-saving pipe (2), the energy-saving pipe (2) being fixedly connected to the exhaust gas flue (1), and water being arranged in the energy-saving pipe (2); A water pump (3), the water pump (3) being connected to the energy-saving pipe (2); A water outlet pipe (4), the water outlet pipe (4) being connected to the water pump (3).

3. The desulfurization and dust removal energy-saving integrated device for treating tail gas from a coal-fired boiler according to claim 2 is characterized in that: The driving and sliding assembly comprises: A rotating screw rod (9), wherein the rotating screw rod (9) is rotatably connected to the sealing door (7); A threaded barrel (10), the threaded barrel (10) being threadably sleeved on the rotating screw (9), and the threaded barrel (10) being fixedly connected to the dust removal box (5); A first motor (11), wherein the first motor (11) is fixedly mounted on the sealing door (7), and an output end of the first motor (11) passes through the sealing door (7) and is coaxially connected to the rotating screw (9).

4. The desulfurization and dust removal energy-saving integrated device for treating tail gas from a coal-fired boiler according to claim 3 is characterized in that: The clamping assembly comprises: A fixing plate (12), wherein four fixing plates (12) are provided, and the fixing plates (12) are fixedly connected to the sliding frame (6); Rotating rods (13), four rotating rods (13) are provided, and the rotating rods (13) are rotatably connected to the fixed plate (12); A clamping plate (14), wherein four clamping plates (14) are provided, and the four clamping plates (14) are respectively fixedly sleeved on the four rotating rods (13); Rotating gears (15), wherein four rotating gears (15) are provided, and the four rotating gears (15) are respectively fixedly sleeved on the four rotating rods (13), and the two rotating gears (15) located on one side are meshed with each other; A protection box (16), wherein two protection boxes (16) are provided, the protection boxes (16) are fixedly connected to the fixing plate (12), and the protection boxes (16) are covered on the rotating gear (15); A driving assembly, the driving assembly is arranged on the fixed plate (12) and is used to drive the rotating rod (13) to rotate.

5. The desulfurization and dust removal energy-saving integrated device for treating tail gas from a coal-fired boiler according to claim 4, characterized in that: The drive assembly comprises: A protection box (17), the protection box (17) being fixedly connected to the two fixing plates (12) located on one side; A driving rod (18), wherein two driving rods (18) are provided, wherein the driving rod (18) is fixedly connected to the rotating rod (13), and the driving rod (18) passes through the fixing plate (12) and is rotatably connected to the protection box (17); A transmission wheel (19), wherein two transmission wheels (19) are provided, and the two transmission wheels (19) are respectively fixedly sleeved on the two driving rods (18); A transmission belt (20), the transmission belt (20) being transmission-connected between the two transmission wheels (19); A second motor (21), wherein the second motor (21) is fixedly mounted on the protection box (17), and an output end of the second motor (21) passes through the protection box (17) and is coaxially connected to one of the driving rods (18).

6. The desulfurization and dust removal energy-saving integrated device for treating tail gas from a coal-fired boiler according to claim 5, characterized in that: The facing components include: A fixing frame (31), the fixing frame (31) being fixedly connected to the desulfurization box (23); A rotating shaft (32), the rotating shaft (32) being rotatably connected between the fixing frame (31) and the desulfurization box (23); A rotating gear (33), the rotating gear (33) being fixedly sleeved on the rotating shaft (32); A connecting rod (34), wherein two connecting rods (34) are provided, and the two connecting rods (34) are respectively fixedly connected to the two sealing plates (27); A moving block (35), wherein two moving blocks (35) are provided, and the two moving blocks (35) are respectively fixedly connected to the two connecting rods (34), and the moving blocks (35) are slidably connected to the desulfurization box (23); Racks (36), two racks (36) are provided, the two racks (36) are respectively fixedly connected to the two connecting rods (34), and the racks (36) are meshed with the rotating gear (33); A third motor (37), the third motor (37) being fixedly mounted on the fixing frame (31), the output end of the third motor (37) passing through the fixing frame (31) and being coaxially connected to the rotating shaft (32).

7. The integrated desulfurization and dust removal energy-saving device for coal-fired boiler tail gas treatment according to claim 6 is characterized in that: The connection component comprises: a positioning plate (38), the positioning plate (38) being fixedly connected to the sealing cover (30); A positioning block (39), the positioning block (39) being fixedly connected to the supporting grid (28), and the positioning block (39) being provided with a positioning groove matching the positioning plate (38); a card block (40), the card block (40) being slidably connected to the positioning plate (38), and the positioning block (39) being provided with a card slot matching the card block (40); A telescopic spring (41), wherein the telescopic spring (41) is connected between the clamping block (40) and the positioning plate (38).

8. The desulfurization and dust removal energy-saving integrated device for treating tail gas from a coal-fired boiler according to claim 7, characterized in that: A plurality of partition plates (42) are fixedly connected to the desulfurization box (23).

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