A desulfurization tower demisting device

Abstract

The present invention belongs to the technical field of demisting for desulfurization towers, and specifically is a demisting device for desulfurization towers, comprising two sets of guide rails fixedly installed in a desulfurization tower body, the ends of the guide rails extending to the outside of an installation opening provided in the desulfurization tower body, a demister frame being arranged between the two sets of guide rails, a demister body being placed in the demister frame, guide grooves being provided on both sides of the demister frame, the guide grooves being slidably connected to the guide rails, a limiting groove being provided on one side of the guide rails, limiting pins being fixedly installed on both sides of the demister frame, the ends of the limiting pins being located in the limiting grooves, and through the coordinated setting of the guide rails and the demister frame, the demister body can be installed and disassembled by plugging and unplugging, making the installation and disassembly of the demister body more convenient and improving the replacement efficiency of the demister body by the staff.

Description

Technical Field

[0001] The invention belongs to the technical field of demisting a desulfurization tower, in particular to a demisting device for a desulfurization tower. Background Art

[0002] The desulfurization tower demister is a device installed inside the desulfurization tower to remove haze particles generated during the desulfurization process and purify the flue gas. Its working principle is to use the principles of gravity, inertia, etc. to make small particles and water droplets in the flue gas settle and aggregate into larger particles in the equipment, thereby preventing small particles and water droplets from being discharged to the outside.

[0003] Patent publication number CN117282242A discloses a desulfurization tower for a desulfurization system, including a desulfurization tower body, a plurality of groups of spray pipes are arranged horizontally through the middle of the desulfurization tower body, a spray head is arranged at the lower end of the spray pipe, and a tube bundle dust collector is arranged above the spray pipe; this scheme mixes the desulfurizer sprayed from the spray head with the exhaust gas more evenly through the airflow, so that the exhaust gas and the desulfurizer can fully react, thereby improving the exhaust gas treatment effect.

[0004] In the above scheme, after the tube bundle dust collector has been working for a long time, scale will be formed in the tube bundle dust collector, and the tube bundle dust collector needs to be taken out from the desulfurization tower body for cleaning. After the spare tube bundle dust collector is installed in the desulfurization tower body, the staff then cleans the disassembled tube bundle dust collector. First, during the process of disassembling the tube bundle dust collector, the staff needs to enter the desulfurization tower body to disassemble the tube bundle dust collector. Conversely, the installation of the tube bundle dust collector also requires entering the desulfurization tower body, which makes the installation and disassembly of the tube bundle dust collector more troublesome, resulting in a lot of time wasted on installation and disassembly, and reduces the efficiency of the staff in replacing the tube bundle dust collector. For this reason, the present invention provides a demisting device for a desulfurization tower. Summary of the invention

[0005] In order to make up for the deficiencies of the prior art, at least one technical problem raised in the background technology is solved.

[0006] The technical solution adopted by the present invention to solve the technical problem is as follows: a desulfurization tower demisting device described in the present invention comprises two sets of guide rails fixedly installed in the desulfurization tower body, the ends of the guide rails extend to the outside of the installation opening of the desulfurization tower body, a demisting frame is arranged between the two sets of guide rails, a demisting body is placed in the demisting frame, guide grooves are arranged on both sides of the demisting frame, the guide grooves are slidably connected to the guide rails, a limiting groove is arranged on one side of the guide rail, limiting pins are fixedly installed on both sides of the demisting frame, and the ends of the limiting pins are located in the limiting grooves;

[0007] Through the coordinated setting of the guide rail and the demister frame, the demister body can be installed and disassembled by plugging and unplugging, making the installation and disassembly of the demister body more convenient and improving the replacement efficiency of the demister body by the staff.

[0008] Preferably, the defogger body comprises a positioning box, the positioning box is movably placed in the defogger frame, a plurality of groups of defogger blades are arranged at equal distances in front of the positioning box, two groups of scissor-type telescopic frames are respectively arranged on the upper and lower sides of the plurality of groups of defogger blades, the node at the head end of the scissor-type telescopic frame is hinged to the positioning box, the remaining nodes on the scissor-type telescopic frame are respectively hinged to the plurality of groups of defogger blades, the studs installed in the positioning box are rotatably mounted, the movable plate screwed to the studs, the receiving plate fixedly connected to the movable plate, one end of the receiving plate is fixedly connected to a group of defogger blades, two groups of rectangular sockets are opened on the side of the positioning box close to the defogger blades, the receiving plate is movably plugged into the rectangular sockets, and the movable plate is slidably connected to the inner cavity of the positioning box;

[0009] As the scissor-type telescopic frame continues to extend, the distance between several groups of demister blades is continuously widened until the movable plate is blocked by the inner wall of the positioning box. At this time, the distance between the demister blades is stretched to the maximum. Since the demister blades are pulled apart, the staff's vision is not blocked, and the staff can easily find the dirt on the demister blades, which not only improves the cleaning efficiency of the demister blades, but also makes the cleaning of the demister blades cleaner.

[0010] Preferably, the defogger blade comprises a blade body, the upper and lower sides of the blade body are fixedly connected with a slide bar, two groups of sliding sleeves slidably connected to the slide bar, the sliding sleeve is hinged to the node of the scissor-type telescopic frame, and a movable bar movably installed in the slide bar, two groups of pressure plates are arranged on both sides of the movable bar, a clamping block is arranged on one side of the pressure plate, a spring is arranged between the clamping block and the pressure plate, a clamping groove is opened on both sides of the sliding sleeve, the clamping groove clamps the clamping block, a rectangular groove is opened on the upper side of one end of the slide bar, the end of the movable bar is slidably connected to the rectangular groove, four groups of oblique slide grooves are opened on the movable bar, an avoidance groove is opened on the other side of the pressure plate, the avoidance groove is slidably connected to the movable bar, and a pin shaft is fixedly installed in the avoidance groove, the pin shaft is located in the oblique slide groove, four groups of through holes are opened on the pressure plate, four groups of sliding rods are fixedly installed in the slide bar, the sliding rods are slidably connected to the through holes, one end of the spring is fixedly connected to the clamping block, and the other end of the spring is fixedly connected to the pressure plate;

[0011] The spacing between the card block and the pressure plate is greater than the depth of the slot. Then the blade body is pulled horizontally so that the two sets of slide bars on the blade body slide along the corresponding sliding sleeves. At the same time, the card block on the slide bar is squeezed by the slot, so that the card block moves toward the pressure plate, and the card block compresses the spring until the card block is out of the slot, so that the slide bar can be smoothly out of the sliding sleeve, thereby realizing the disassembly of the blade body, and then the new blade body can be installed along the original route. The setting of the pressure plate, card block and spring makes it possible not only to disassemble the blade body, but also to operate simply and conveniently, so that the staff can replace the blade body easily.

[0012] The beneficial effects of the present invention are as follows:

[0013] 1. Through the coordination of the guide rail and the demister frame, the demister body can be installed and disassembled by plugging and unplugging, making the installation and disassembly of the demister body more convenient and improving the replacement efficiency of the demister body by the staff.

[0014] 2. Use a hexagonal wrench to turn the stud to move the movable plate along the inner cavity of the positioning box toward the direction of the defogger blades. At the same time, the movable plate pushes the two groups of receiving plates to slide along the corresponding rectangular holes, and the receiving plates push a group of defogger blades. A group of defogger blades passes through the node at the head end of the scissors-type telescopic frame to make the entire scissors-type telescopic frame begin to extend. At the same time, several groups of defogger blades continue to extend with the scissors-type telescopic frame, and the spacing between the defogger blades is continuously enlarged until the movable plate is blocked by the inner wall of the positioning box. At this time, the spacing between the defogger blades is pulled to the maximum. Since the defogger blades are pulled apart, the staff's line of sight is not blocked, and the staff can easily find the dirt on the defogger blades, which not only improves the cleaning efficiency of the defogger blades, but also makes the defogger blades cleaner.

[0015] 3. Make the movable bar move inside the slide bar. As the slide bar moves, the avoidance groove on the pressure plate will slide along the slide bar, and the pin shaft in the avoidance groove will slide along the oblique slide groove on the slide bar. Under the guidance of the oblique slide groove, the pressure plate slides along the slide rod in the direction of the card block, so that the distance between the card block and the pressure plate is enlarged until the pressure plate cannot move. At this time, the distance between the card block and the pressure plate is greater than the groove depth of the card groove. Then pull the blade body horizontally to make the two sets of slide bars on the blade body slide along the corresponding sliding sleeves. At the same time, the card block on the slide bar is squeezed by the card groove, so that the card block moves toward the direction of the pressure plate, and the card block compresses the spring until the card block is out of the card groove, so that the slide bar can be smoothly out of the sliding sleeve, thereby realizing the disassembly of the blade body, and then the new blade body can be installed along the original route. The setting of the pressure plate, card block and spring makes the blade body not only disassembled, but also simple and convenient to operate, which is convenient for the staff to replace the blade body. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The present invention will be further described below in conjunction with the accompanying drawings.

[0017] Figure 1 It is a schematic diagram of the structure of the present invention.

[0018] Figure 2 It is a schematic diagram of the structural assembly of the present invention.

[0019] Figure 3 It is a schematic diagram of the combination of the guide rail and the demister frame of the present invention.

[0020] Figure 4 It is a schematic diagram of the combination of the demister frame and the demister body of the present invention.

[0021] Figure 5 The present invention is a schematic diagram of a cross-section of a positioning box, a scissor-type telescopic frame, a stud, a movable plate, and a receiving plate.

[0022] Figure 6 It is a schematic diagram of the combination of the demister blades, scissor-type telescopic frame and receiving plate of the present invention.

[0023] Figure 7 It is a schematic diagram of the assembly of the blade body, the sliding sleeve, the sliding bar, the movable bar and the clamping block of the present invention.

[0024] Figure 8 It is a schematic cross-sectional view of the combination of the sliding sleeve and the sliding bar of the present invention.

[0025] Fig. 9 It is a schematic diagram of the combination of the movable bar, the pressure plate, the spring and the clamping block of the present invention.

[0026] In the figure: 1. guide rail; 101. limit groove; 2. desulfurization tower body; 201. installation port; 3. demister frame; 301. guide groove; 302. limit pin; 4. demister body; 401. positioning box; 4011. rectangular socket; 402. demister blade; 403. scissor-type telescopic frame; 31. node; 404. stud; 405. movable plate; 406. receiving plate; 4021. blade body; 4022. sliding sleeve; 221. slot; 4023. slide bar; 231. rectangular slot; 232. slide bar; 4024. movable bar; 241. oblique slide groove; 4025. pressure plate; 251. through hole; 252. avoidance groove; 253. pin shaft; 4026. spring; 4027. block. DETAILED DESCRIPTION

[0027] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further explained below in conjunction with specific implementation methods. Embodiment 1

[0028] like Figures 1 to 3 As shown, a desulfurization tower demisting device described in an embodiment of the present invention includes two sets of guide rails 1 fixedly installed in the desulfurization tower body 2, and the ends of the guide rails 1 extend to the outside of the installation opening 201 opened in the desulfurization tower body 2. A demister frame 3 is arranged between the two sets of guide rails 1, and a demister body 4 is placed in the demister frame 3. Guide grooves 301 are opened on both sides of the demister frame 3, and the guide grooves 301 are slidably connected to the guide rails 1. A limiting groove 101 is opened on one side of the guide rail 1, and limiting pins 302 are fixedly installed on both sides of the demister frame 3, and the ends of the limiting pins 302 are located in the limiting grooves 101.

[0029] Specifically, the demister frame 3 is fastened to the desulfurization tower body 2 by bolts. When the demister body 4 needs to be cleaned, the bolts are used to release the fixing of the demister frame 3 by a wrench, and then the demister frame 3 is pulled toward the outside of the installation port 201, and the demister body 4 will move with the demister frame 3. During this process, the guide grooves 301 on both sides of the demister frame 3 slide along the corresponding guide rails 1 to guide the movement of the demister frame 3. At the same time, the ends of the two groups of limit pins 302 on the demister frame 3 slide along the corresponding limit grooves 101 respectively until the ends of the limit pins 302 are The limiting groove 101 is unable to move. At this time, the demister frame 3 together with the demister body 4 is completely placed outside the desulfurization tower body 2. The staff can directly take out the demister body 4 from the demister frame 3 for cleaning. After the demister body 4 is cleaned, the demister frame 3 together with the demister body 4 can be installed back in the original way. Compared with the prior art, through the matching setting of the guide rail 1 and the demister frame 3, the demister body 4 can be installed and disassembled by plugging and unplugging, which makes the installation and disassembly of the demister body 4 more convenient and improves the replacement efficiency of the demister body 4 by the staff.

[0030] like Figure 4 and Figure 5 As shown, the defogger body 4 includes a positioning box 401, which is movably placed in the defogger frame 3, and a plurality of groups of defogger blades 402 are equidistantly arranged in front of the positioning box 401, and two groups of scissor-type telescopic frames 403 are respectively arranged on the upper and lower sides of the plurality of groups of defogger blades 402, and the node 31 at the head end of the scissor-type telescopic frame 403 is hinged to the positioning box 401, and the remaining nodes 31 on the scissor-type telescopic frame 403 are respectively hinged to the plurality of groups of defogger blades 402, a stud 404 rotatably installed in the positioning box 401, a movable plate 405 screwed to the stud 404, a receiving plate 406 fixedly connected to the movable plate 405, and one end of the receiving plate 406 is fixedly connected to a group of defogger blades 402, and two groups of rectangular sockets 4011 are opened on the side of the positioning box 401 close to the defogger blades 402, the receiving plate 406 is movably plugged into the rectangular sockets 4011, and the movable plate 405 is slidably connected to the inner cavity of the positioning box 401.

[0031] Specifically, when the defogger body 4 is cleaned, the distance between the blades on the defogger body 4 is relatively small, which not only hinders the staff from cleaning the blades, but also blocks the staff's sight, making it difficult for the staff to find the dirt on the blades, resulting in low cleaning efficiency and difficulty in cleaning the blades. Therefore, after the defogger body 4 is taken out from the defogger frame 3, the stud 404 is rotated by a hexagonal wrench to move the movable plate 405 along the inner cavity of the positioning box 401 toward the defogger blades 402, and at the same time, the movable plate 405 pushes the two sets of receiving plates 406 to slide along the corresponding rectangular sockets 4011, and the receiving plates 406 push one set of defogger blades 402 and one set of defogger blades 402. The defogger blades 402 pass through the node 31 at the front end of the scissor-type telescopic frame 403, causing the entire scissor-type telescopic frame 403 to begin to extend. At the same time, as the scissor-type telescopic frame 403 continues to extend, the distance between the defogger blades 402 is continuously enlarged until the movable plate 405 is blocked by the inner wall of the positioning box 401. At this time, the distance between the defogger blades 402 is pulled to the maximum. Since the defogger blades 402 are pulled apart, the staff's line of sight is not blocked, and the staff can easily find the dirt on the defogger blades 402, which not only improves the cleaning efficiency of the defogger blades 402, but also makes the cleaning inside the defogger blades 402 cleaner. Embodiment 2

[0032] like Figures 6 to 9 As shown, in contrast to Example 1, another embodiment of the present invention is as follows: the demister blade 402 includes a blade body 4021, the upper and lower sides of the blade body 4021 are fixedly connected to a slide bar 4023, two sets of sliding sleeves 4022 slidably connected to the slide bar 4023, the sliding sleeve 4022 is hinged to the node 31 of the scissor-type telescopic frame 403, and an active bar 4024 movably installed in the slide bar 4023, two sets of pressing plates 4025 are arranged on both sides of the active bar 4024, a clamping block 4027 is arranged on one side of the pressing plate 4025, a spring 4026 is arranged between the clamping block 4027 and the pressing plate 4025, and a clamping groove 221 is opened on both sides of the sliding sleeve 4022, and the clamping groove 221 clamps the clamping block 402 7. A rectangular groove 231 is provided on the upper side of one end of the slide bar 4023, and the end of the movable bar 4024 is slidably connected to the rectangular groove 231. Four groups of oblique slide grooves 241 are provided on the movable bar 4024. An avoidance groove 252 is provided on the other side of the pressure plate 4025. The avoidance groove 252 is slidably connected to the movable bar 4024, and a pin shaft 253 is fixedly installed in the avoidance groove 252. The pin shaft 253 is located in the oblique slide groove 241. Four groups of through holes 251 are provided on the pressure plate 4025. Four groups of slide rods 232 are fixedly installed in the slide bar 4023. The slide rods 232 are slidably connected to the through holes 251. One end of the spring 4026 is fixedly connected to the block 4027, and the other end of the spring 4026 is fixedly connected to the pressure plate 4025.

[0033] Specifically, in the initial state, the spring 4026 is in a compressed state, and the depth of the slot 221 is greater than the distance between the block 4027 and the pressure plate 4025. When the defogger blade 402 is cleaned, if the defogger blade 402 is found to be damaged and needs to be replaced, the end of the movable bar 4024 located at the upper and lower sides of one end of the blade body 4021 is pressed by fingers, and the movable bar 4024 is pushed along the rectangular slot 231. The movable bar 4024 moves inside the slide bar 4023. As the slide bar 4023 moves, the avoidance groove 252 on the pressure plate 4025 slides along the slide bar 4023. At the same time, the pin 253 in the avoidance groove 252 slides along the oblique groove 241 on the slide bar 4023. Under the guidance of the oblique groove 241, the pressure plate 4025 slides along the slide bar 232 with the block 4027 on its back, so that the distance between the block 4027 and the pressure plate 4025 is reduced. The blade body 4021 is then pulled laterally so that the two sets of slide bars 4023 on the blade body 4021 slide along the corresponding sliding sleeves 4022. At the same time, the block 4027 on the sliding sleeve 4023 is squeezed by the slot 221, so that the block 4027 moves toward the pressure plate 4025, and the block 4027 compresses the spring 4026 until the block 4027 is disengaged from the slot 221, so that the slide bar 4023 can be smoothly disengaged from the sliding sleeve 4022, thereby realizing the disassembly of the blade body 4021, and then the new blade body 4021 can be installed along the original route. The setting of the pressure plate 4025, the block 4027, and the spring 4026 enables the blade body 4021 to not only be disassembled, but also simple and convenient to operate, which is convenient for the staff to replace the blade body 4021.

[0034] Working principle: Use a wrench to release the bolts that fix the demister frame 3, and then pull the demister frame 3 toward the outside of the installation port 201, and the demister body 4 will move with the demister frame 3. During this process, the guide grooves 301 on both sides of the demister frame 3 slide along the corresponding guide rails 1, guiding the movement of the demister frame 3. At the same time, the ends of the two groups of limit pins 302 on the demister frame 3 slide along the corresponding limit grooves 101 respectively until the ends of the limit pins 302 are unable to move due to the limit grooves 101. At this time, the demister frame 3 together with the demister body 4 are completely placed outside the desulfurization tower body 2, and the staff can directly take the demister body 4 out of the demister frame 3 for cleaning. After the demister body 4 is cleaned, the demister frame 3 together with the demister body 4 can be installed back along the original route;

[0035] After the demister body 4 is taken out from the demister frame 3, the stud 404 is rotated by a hexagonal wrench to move the movable plate 405 along the inner cavity of the positioning box 401 toward the demister blades 402, and at the same time, the movable plate 405 pushes the two groups of receiving plates 406 to slide along the corresponding rectangular sockets 4011, and the receiving plates 406 push a group of demister blades 402, and a group of demister blades 402 passes through the node 31 at the head end of the scissor-type telescopic frame 403 to make the entire scissor-type telescopic frame 403 begin to extend, and at the same time, several groups of demister blades 402 are continuously extended along with the scissor-type telescopic frame 403, and the spacing between the demister blades 402 is continuously enlarged until the movable plate 405 is blocked by the inner wall of the positioning box 401, and at this time, the spacing between the demister blades 402 is pulled to the maximum;

[0036] When cleaning the defogger blade 402, if the defogger blade 402 is found to be damaged and needs to be replaced, press the end portions of the movable bar 4024 located on the upper and lower sides of one end of the blade body 4021 with your fingers, and push the end portions of the movable bar 4024 along the rectangular groove 231 to move the movable bar 4024 inside the slide bar 4023. As the slide bar 4023 moves, the avoidance groove 252 on the pressure plate 4025 slides along the slide bar 4023, and at the same time, the pin shaft 253 in the avoidance groove 252 slides along the oblique slide groove 241 on the slide bar 4023. Under the guidance of the oblique slide groove 241, the pressure plate 4025 slides along the slide rod 232 in the direction of the card block 4027, so that the card block 4027 and the pressure plate 4025 are aligned. 025 is enlarged until the pressure plate 4025 cannot move. At this time, the distance between the block 4027 and the pressure plate 4025 is greater than the depth of the slot 221. Then the blade body 4021 is pulled horizontally to make the two sets of slide bars 4023 on the blade body 4021 slide along the corresponding sliding sleeve 4022. At the same time, the block 4027 on the sliding bar 4023 is squeezed by the slot 221, so that the block 4027 moves toward the pressure plate 4025, and the block 4027 compresses the spring 4026 until the block 4027 is disengaged from the slot 221, so that the slide bar 4023 can be smoothly disengaged from the sliding sleeve 4022, thereby realizing the disassembly of the blade body 4021, and then the new blade body 4021 can be installed along the original route.

[0037] The above shows and describes the basic principles, main features and advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention to be protected. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A desulfurization tower demisting device, comprising two sets of guide rails (1) fixedly installed in a desulfurization tower body (2), wherein the ends of the guide rails (1) extend to the outside of a mounting opening (201) provided in the desulfurization tower body (2), characterized in that: A demister frame (3) is provided between the two groups of guide rails (1), and a demister body (4) is placed in the demister frame (3); Guide grooves (301) are provided on both sides of the demister frame (3), the guide grooves (301) are slidably connected to the guide rails (1), a limiting groove (101) is provided on one side of the guide rail (1), and limiting pins (302) are fixedly installed on both sides of the demister frame (3), and the ends of the limiting pins (302) are located in the limiting grooves (101); The demister body (4) comprises: A positioning box (401), wherein the positioning box (401) is movably placed in the demister frame (3); A plurality of groups of demister blades (402) are arranged at equal distances in front of the positioning box (401); Two groups of scissor-type telescopic frames (403) are respectively arranged on the upper and lower sides of the plurality of groups of demister blades (402); the nodes (31) at the front ends of the scissor-type telescopic frames (403) are hinged to the positioning box (401), and the remaining nodes (31) on the scissor-type telescopic frames (403) are respectively hinged to the plurality of groups of demister blades (402); Rotating a stud (404) installed in the positioning box (401); A movable plate (405) screwed to the stud (404); A receiving plate (406) fixedly connected to the movable plate (405), wherein one end of the receiving plate (406) is fixedly connected to a group of demister blades (402); The demister blade (402) comprises: Blade body (4021); The upper and lower sides of the blade body (4021) are fixedly connected to sliding bars (4023); Two sets of sliding sleeves (4022) slidably connected to the sliding bar (4023), wherein the sliding sleeves (4022) are hinged to the nodes (31) of the scissor-type telescopic frame (403); A movable bar (4024) movably mounted within the slide bar (4023); Two sets of pressing plates (4025) are provided on both sides of the movable bar (4024); A clamping block (4027) is provided on one side of the pressing plate (4025); A spring (4026) is provided between the clamping block (4027) and the pressure plate (4025); clamping grooves (221) are provided on both sides of the sliding sleeve (4022); the clamping grooves (221) are clamped to the clamping block (4027); a rectangular groove (231) is provided on the upper side of one end of the sliding bar (4023); the end of the movable bar (4024) is slidably connected to the rectangular groove (231); four groups of oblique sliding grooves (241) are provided on the movable bar (4024); an avoidance groove (252) is provided on the other side of the pressure plate (4025); The groove (252) is slidably connected to the movable bar (4024), and a pin shaft (253) is fixedly installed in the avoidance groove (252), and the pin shaft (253) is located in the oblique sliding groove (241). Four groups of through holes (251) are opened on the pressure plate (4025), and four groups of sliding rods (232) are fixedly installed in the sliding bar (4023), and the sliding rods (232) are slidably connected to the through holes (251). One end of the spring (4026) is fixedly connected to the block (4027), and the other end of the spring (4026) is fixedly connected to the pressure plate (4025).

2. A desulfurization tower demisting device according to claim 1, characterized in that: Two groups of rectangular plug holes (4011) are provided on a side of the positioning box (401) close to the demister blades (402), and the receiving plate (406) is movably plugged into the rectangular plug holes (4011).

3. A desulfurization tower demisting device according to claim 2, characterized in that: The movable plate (405) is slidably connected to the inner cavity of the positioning box (401).

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