A high concentration sulfur dioxide flue gas reactor

Abstract

The utility model discloses a kind of high-concentration sulfur dioxide flue gas reactors, it is related to sulfur dioxide flue gas processing technical field, including main body, the side lower part of main body is equipped with smoke inlet pipe, the both sides of main body are equipped with flue gas exhaust pipe near top end, the front of main body is hingedly equipped with cabinet door, cabinet door is sealedly connected between main body when closing, the top of main body is equipped with water tank and spraying assembly, the bottom of main body is equipped with pump body A, pump body A output end is connected with conduit, conduit extends to its inside by penetrating smoke inlet pipe bottom;The inside of main body is equipped with connecting seat on both sides, slidingly installed with base between two connecting seats, the top of base is equipped with multiple counterweight. The utility model is because adaptive filter is set as modularization, it is convenient to disassemble and reset installation, to facilitate the cleaning and washing or replacement treatment of adaptive filter, ensure that adaptive filter can normally work, greatly improve its practicality.

Description

Technical Field

[0001] This utility model relates to the field of sulfur dioxide flue gas treatment technology, and in particular to a high-concentration sulfur dioxide flue gas reactor. Background Technology

[0002] Sulfur dioxide is a colorless gas with a pungent odor, its chemical formula is SO2, and it is commonly found in coal and oil combustion and industrial processes. High concentrations of sulfur dioxide not only harm human health but also have serious environmental impacts.

[0003] A desulfurization tower is a core reactor device used to treat sulfur dioxide in industrial waste gas. The desulfurization tower reacts chemically with sulfur dioxide in the flue gas through spraying absorbents (such as limestone slurry, sodium hydroxide, etc.), converting it into harmless or easily treatable substances, thereby significantly reducing the concentration of sulfur dioxide emissions. After treating high concentrations of sulfur dioxide through the desulfurization tower, the formation of acid rain can be effectively reduced, soil, water sources and vegetation can be protected, and ecological balance can be maintained, as follows.

[0004] A search revealed a patent with publication number CN115920616B, which discloses a flue gas desulfurization tower for recovering sulfur dioxide. This tower, belonging to the field of desulfurization towers, features an internal self-adaptive movable plate, a guide rod, and a self-adaptive filter. The self-adaptive movable plate and guide rod are slidably connected in the vertical direction. The self-adaptive filter is arranged around the guide rod, with its lower end fixedly connected to the upper surface of the self-adaptive movable plate and its upper end fixedly connected to the inner wall of the tower. The self-adaptive movable plate has through holes located outside the area surrounding the lower end of the self-adaptive filter. The self-adaptive filter is permeable, absorbent, and elastic. A spray head is fixedly connected to the top of the tower body, and a water tank is fixedly connected to the top of the tower body. A second circulating water pump is connected in series between the outlet of the water tank and the spray head. The second circulating water pump is adapted to pump water from the water tank into the spray head, and the spray head is adapted to spray water onto the space surrounding the self-adaptive filter and onto the self-adaptive filter.

[0005] However, the above-mentioned desulfurization tower still has the following areas for optimization. For example, its adaptive filter element is fixedly installed, which is not convenient for modular installation and disassembly. After a period of operation, the adaptive filter element needs to be cleaned or replaced because the surface mesh or grid of the adaptive filter element may be blocked by particulate matter during long-term use, resulting in a decrease in air permeability and water absorption. Its fixed design makes it inconvenient to disassemble and reinstall, thus making it difficult to clean or replace the adaptive filter element. There is an urgent need for a high-concentration sulfur dioxide flue gas reactor to solve the above technical problems. Utility Model Content

[0006] This utility model discloses a high-concentration sulfur dioxide flue gas reactor. By modularizing the adaptive filter element, after a period of use, workers can wear protective gear, open the housing door, and pull up two levers. Pulling up the levers moves the abutment plate and the limiting block, causing the limiting block to separate from the limiting groove, releasing the limiting fixation on the extension plate, and thus releasing the limiting fixation on the adaptive filter element. This allows for quick and easy removal of the adaptive filter element from the main body for cleaning or replacement. During installation, the levers are kept in the pulled-up position. The adaptive filter element passes through the through groove A from bottom to top until the bottom of the base plate is in contact with the bottom of the base, and the top of the top frame abuts against the bottom of the top seat. The extension plate passes through the through groove C. Then, the pull rod is released, the spring returns, and with the help of the guide rod, the abutment plate and the limiting block are reset until the limiting block engages with the limiting groove inside the extension plate, thus limiting and fixing the extension plate and the adaptive filter element. In summary, because the adaptive filter element is modular, it is easy to disassemble and install, which facilitates cleaning or replacement of the adaptive filter element, ensuring that the adaptive filter element can work normally. In conclusion, the problems in the background technology are solved.

[0007] To solve the above-mentioned technical problems, this utility model is achieved through the following technical solution:

[0008] This utility model discloses a high-concentration sulfur dioxide flue gas reactor, comprising a main body, an inlet pipe located on one side of the lower part of the main body, and exhaust pipes located on both sides of the main body near the top. A door is hinged to the front of the main body, and the door is sealed to the main body when closed. A water tank and a spray assembly are located on the top of the main body. A pump body A is connected to the bottom of the main body, and a conduit is connected to the output end of the pump body A. The conduit extends through the bottom of the inlet pipe into its interior.

[0009] The main body has connecting seats on both sides inside, and a base is slidably installed between the two connecting seats. The top of the base has multiple counterweights. A through groove A is opened in the center of the base. Through grooves B are opened on both sides of through groove A. The main body has a top seat inside, and a through groove C is opened in the top seat. An adaptive filter element is installed between through groove A and through groove C. The bottom and top of the adaptive filter element are respectively provided with a bottom plate and a top frame. The top of the bottom plate abuts against the bottom surface of the base, and the top of the top frame abuts against the bottom surface of the top seat. The size of the top frame is smaller than that of through groove A. Two extension plates are provided in the top frame. The extension plates pass through through groove C. A limiting groove is opened in the extension plate. A limiting component is installed on the top of the top seat. The limiting component matches and engages with the limiting groove. Recycling tanks are fixedly connected to both sides of the main body. The top of the recycling tanks is in close contact with the base and connecting seats. The two recycling tanks are connected by a U-shaped tube, and both recycling tanks are located below through groove B. The recycling tanks are connected to a water tank through a circulation component.

[0010] Furthermore, each of the two connecting seats has a stop on its opposite side, and the stop is located near the top of the connecting seat.

[0011] Furthermore, the spray assembly includes a pump body B, the pump body B having a water intake end connected to a water tank, and the pump body B having a water outlet end connected to a liquid delivery pipe. The liquid delivery pipe extends into the interior of the main body and is located near the top of the interior of the main body. Multiple branch pipes are provided on both sides of the liquid delivery pipe, and a spray nozzle is provided at the bottom of the branch pipe.

[0012] Furthermore, the opposite sides of the two extension plates are attached to the left and right sides of the through groove C, and the front and rear ends of the extension plates are attached to the front and rear sides of the through groove C.

[0013] Furthermore, the limiting component includes a fixing plate, and there are two fixing plates. Both fixing plates are fixedly installed on the top of the top seat. An L-shaped pull rod is provided through both fixing plates. One end of the pull rod is rotatably connected to an abutment plate. A limiting block is provided on one side of the abutment plate. The limiting block matches and engages with the limiting groove. The fixing plate and the abutment plate are connected by multiple springs. A plurality of guide rods are provided on one side of the abutment plate. The guide rods movably pass through the fixing plate.

[0014] Furthermore, the top of the top seat is provided with two limiting seats, and the top of the limiting seats is provided with grooves. The size of the grooves is larger than the size of the pull rod, and the limiting seats are close to the pull rod.

[0015] Furthermore, a support frame is fixedly installed inside the main body, and a support slot is opened inside the support frame. A filter plate is movably fitted in the support slot. A handle is provided on both sides of the top of the filter plate. The filter plate is located between the smoke inlet pipe and the connection between the pump body A and the main body.

[0016] The present invention has the following advantages over the prior art:

[0017] 1. This technical solution modularizes the adaptive filter element, allowing workers to quickly and easily remove it from the main body after a period of use, wearing protective gear and opening the cabinet door. This allows for cleaning or replacement of the adaptive filter element. The modular design facilitates disassembly and reinstallation, making it easy to clean or replace the filter element and ensuring its proper functioning, thus greatly improving its practicality.

[0018] 2. This technical solution, by setting up a support frame and a filter plate, allows the absorbent flowing back from the flue gas pipe to be filtered after a period of operation through the support frame and the filter plate. This prevents impurities and particulate matter in the flue gas from flowing back into the bottom of the main body with the absorbent and clogging the pump body A. Furthermore, the filter plate can be quickly and easily disassembled by opening the door and lifting it with the handle, facilitating cleaning and reinstallation. This saves time and effort and further improves the practicality of the device. Attached Figure Description

[0019] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0020] Figure 1 This is a schematic diagram of the overall three-dimensional structure of this utility model;

[0021] Figure 2 This is a front structural diagram of the present invention;

[0022] Figure 3 This is a schematic diagram of the rear structure of the present invention;

[0023] Figure 4 An exploded view of the base installation structure of this utility model;

[0024] Figure 5 This is an exploded view of the adaptive filter element of this utility model.

[0025] Figure 6 This is a schematic diagram of the tie rod installation structure of this utility model;

[0026] Figure 7This is a schematic diagram of the filter plate installation structure of this utility model;

[0027] Figure 8 This is a schematic diagram of the liquid delivery pipe installation structure of this utility model.

[0028] In the diagram: 1. Main body; 2. Smoke inlet pipe; 3. Smoke outlet pipe; 4. Door; 5. Water tank; 6. Spray assembly; 601. Pump body B; 602. Liquid delivery pipe; 603. Branch pipe; 604. Sprayer head; 7. Pump body A; 8. Guide pipe; 9. Connecting seat; 10. Base; 11. Counterweight; 12. Through groove A; 13. Through groove B; 14. Top seat; 15. Through groove C; 16. Adaptive filter element; 17. Base plate; 8. Top frame; 19. Extension plate; 20. Limiting groove; 21. Limiting assembly; 2101. Fixing plate; 2102. Pull rod; 2103. Abutment plate; 2104. Limiting block; 2105. Spring; 2106. Guide rod; 22. Recycling trough; 23. U-tube; 24. Circulation assembly; 25. Stop block; 26. Limiting seat; 27. Groove; 28. Support bracket; 29. ​​Support slot; 30. Filter plate. Detailed Implementation

[0029] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0030] In the description of this utility model, it should be understood that the terms "surface", "side", "gap", "peripheral", etc., which indicate orientation or positional relationship, are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the components or elements referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0031] Reference Figures 1-8 A high-concentration sulfur dioxide flue gas reactor includes a main body 1, an inlet pipe 2 located on the lower side of one side of the main body 1, and exhaust pipes 3 located on both sides of the main body 1 near the top. A door 4 is hinged to the front of the main body 1, and the door 4 is sealed to the main body 1 when closed. A water tank 5 and a spray assembly 6 are located on the top of the main body 1. A pump body A7 is connected to the bottom of the main body 1, and a conduit 8 is connected to the output end of the pump body A7. The conduit 8 extends through the bottom of the inlet pipe 2 and into its interior.

[0032] Both sides of the main body 1 are provided with connecting seats 9. A base 10 is slidably installed between the two connecting seats 9. The top of the base 10 is provided with multiple counterweights 11. A through groove A12 is opened in the center of the base 10. Through grooves B13 are opened on both sides of the through groove A12. The main body 1 is provided with a top seat 14. A through groove C15 is opened in the top seat 14. An adaptive filter element 16 is inserted between the through grooves A12 and C15. The bottom and top of the adaptive filter element 16 are respectively provided with a bottom plate 17 and a top frame 18. The top of the bottom plate 17 abuts against the bottom surface of the base 10, and the top of the top frame 18 abuts against the top surface of the base 10. The bottom surface of the seat 14 abuts against the top frame 18, which is smaller than the through groove A12. Two extension plates 19 are provided at the top frame 18. The extension plates 19 pass through the through groove C15. A limiting groove 20 is opened at the extension plate 19. A limiting component 21 is installed on the top of the top seat 14. The limiting component 21 matches and engages with the limiting groove 20. Recycling tanks 22 are fixedly connected to both sides of the main body 1. The top of the recycling tank 22 is in close contact with the base 10 and the connecting seat 9. The two recycling tanks 22 are connected by a U-shaped tube 23. Both recycling tanks 22 are located below the through groove B13. The recycling tanks 22 are connected to the water tank 5 through the circulation component 24.

[0033] Each of the two connecting seats 9 has a stop block 25 on one side opposite to it, and the stop block 25 is close to the top of the connecting seat 9; the spray assembly 6 includes a pump body B601, the pump body B601 is connected to the water tank 5, the pump body B601 is connected to the liquid delivery pipe 602, the liquid delivery pipe 602 passes through the interior of the main body 1 and is close to the top of the interior of the main body 1, and multiple branch pipes 603 are provided on both sides of the liquid delivery pipe 602, and a nozzle 604 is provided at the bottom of the branch pipe 603; the opposite sides of the two extension plates 19 are attached to the left and right sides of the through groove C15, and the front and rear ends of the extension plates 19 are attached to the front and rear sides of the through groove C15.

[0034] The limiting assembly 21 includes two fixing plates 2101, both of which are fixedly installed on the top of the top seat 14. L-shaped pull rods 2102 are threaded through both fixing plates 2101. One end of each pull rod 2102 is rotatably connected to an abutment plate 2103. A limiting block 2104 is provided on one side of the abutment plate 2103, and the limiting block 2104 matches and engages with the limiting groove 20. The fixing plates 2101 and the abutment plate 2103 are connected by multiple springs 2105. Multiple guide rods 2106 are provided on one side of the abutment plate 2103, and the guide rods 2106 movably pass through the fixing plates 2101. Two limiting seats 26 are provided on the top of the top seat 14. A groove 27 is formed on the top of each limiting seat 26, and the groove 27 is larger than the pull rod 2102. The limiting seats 26 are close to the pull rod 2102.

[0035] The main body 1 has a support frame 28 fixedly installed inside. The support frame 28 has a support slot 29 inside. A filter plate 30 is movably installed in the support slot 29. The top two sides of the filter plate 30 are provided with handles. The filter plate 30 is located between the smoke inlet pipe 2 and the connection between the pump body A7 and the main body 1.

[0036] In the specific implementation process, after the adaptive filter element 16 has been used for a period of time, the staff can put on protective gear, open the box door 4, and pull up the two levers 2102. After the levers 2102 are pulled up, they can drive the abutment plate 2103 and the limiting block 2104 to move, so that the limiting block 2104 separates from the limiting groove 20, releasing the limiting fixation of the extension plate 19, thereby releasing the limiting fixation of the adaptive filter element 16. The adaptive filter element 16 can then be quickly and easily removed from the main body 1 for cleaning or replacement. During installation, keep the levers 2102 in the pulled-up state and pass the adaptive filter element 16 through the through groove A from bottom to top. 12. Continue until the bottom of the base plate 17 is in contact with the bottom of the base 10, and the top of the top frame 18 is in contact with the bottom of the top seat 14. The extension plate 19 passes through the through groove C15. Then release the pull rod 2102, and the spring 2105 rebounds. With the help of the guide rod 2106, the abutment plate 2103 and the limiting block 2104 are reset until the limiting block 2104 engages with the limiting groove 20 inside the extension plate 19. This will limit and fix the extension plate 19 and the adaptive filter element 16. In summary, since the adaptive filter element 16 is modular, it is easy to disassemble and install, which makes it easy to clean or replace the adaptive filter element 16, ensuring that the adaptive filter element 16 can work normally.

[0037] After working for a period of time, the absorbent that flows back from the flue pipe 2 can be filtered by the support frame 28 in conjunction with the filter plate 30. This prevents impurities and particulate matter in the flue gas from flowing back into the bottom of the main body 1 with the absorbent and clogging the pump body A7. Furthermore, the filter plate 30 can be quickly and easily disassembled by opening the box door 4 and lifting it directly by the handle. This facilitates cleaning and reinstallation, saving time and effort.

[0038] Among them, the stop block 25 is to prevent the base 10 from separating from the connecting seat 9;

[0039] The pump body B601 can pump the absorbent in the water tank 5 to the liquid delivery pipe 602, and the liquid delivery pipe 602, together with multiple branch pipes 603 and nozzles 604, can carry out the absorbent spraying work.

[0040] The opposite sides of the two extension plates 19 are attached to the left and right sides of the through groove C15, and the front and rear ends of the extension plates 19 are attached to the front and rear sides of the through groove C15 in order to improve the stability of the top frame 18 and the adaptive filter element 16.

[0041] Among them, the connecting seat 9, base 10, top seat 14, top frame 18, extension plate 19, recycling trough 22, stop block 25, fixing plate 2101, pull rod 2102, abutment plate 2103, limit block 2104, guide rod 2106, spring 2105 and limit seat 26 are all made of corrosion-resistant materials, such as nickel-based alloy materials;

[0042] The water tank 5 is equipped with a liquid inlet with a cover and a liquid outlet with a valve, and the bottom side of the main body 1 is also equipped with a liquid outlet with a valve.

[0043] Working principle: During use, high-concentration sulfur dioxide flue gas enters the main body 1 through the flue gas inlet pipe 2. At the same time, the pump body A7 works, pumping the absorbent at the bottom of the main body 1 into the flue gas inlet pipe 2. It performs the first absorption with the exhaust gas, absorbing particulate matter and some gas in the exhaust gas. Subsequently, the absorbent pumped into the flue gas inlet pipe 2 will flow back into the main body 1. During the absorption of absorbent return, the support frame 28 and the filter plate 30 can filter the absorbent returning from the flue gas inlet pipe 2 to prevent impurities and particulate matter in the flue gas from entering the bottom of the main body 1 with the absorption of absorbent and clogging the pump body A7 in the future.

[0044] When the exhaust gas enters the main body 1, it generates a certain air pressure at the lower end of the main body 1, pushing the base plate 17, the adaptive filter 16, and the base 10 upwards. When the air pressure at the lower end of the main body 1 stops changing, the vertical position of the adaptive filter 16 reaches equilibrium. The exhaust gas then enters the upper end of the main body 1 through the channel B13 and the adaptive filter 16. Simultaneously, the pump B601 operates, spraying the absorbent in the water tank 5 through multiple nozzles 604 onto the upper end of the main body 1, and through the channel C15 onto the adaptive filter 16, absorbing the exhaust gas entering the upper end of the main body 1. Because the absorbent in the adsorption spray has adsorption properties, the exhaust gas is adsorbed by the adaptive filter 16 when it passes through the adaptive filter 16. When the exhaust gas flow rate of the flue gas inlet pipe 2 increases, the air pressure at the lower end of the main body 1 increases, which pushes the bottom plate 17, the adaptive filter 16 and the base 10 to move upward. The adaptive filter 16 contracts, the air passage on the surface of the adaptive filter 16 shrinks and the passage length increases, the resistance to exhaust gas increases, and the path length of the exhaust gas flow through the air passage increases (the thickness increases, so the length of the air passage increases). This helps to avoid the exhaust gas filtration degree from decreasing due to the increase in exhaust gas flow rate, and improves the desulfurization rate or avoids the desulfurization rate from decreasing.

[0045] When the exhaust gas flow rate of the flue gas inlet pipe 2 decreases, the air pressure at the lower end of the main body 1 decreases, and the bottom plate 17, the adaptive filter element 16 and the base 10 move downward. The adaptive filter element 16 is stretched, and the air permeable channel on the surface of the adaptive filter element 16 increases in size and decreases in length. While maintaining the desulfurization rate unchanged, the desulfurization efficiency is improved, and the desulfurization rate is adaptively adjusted according to the change in the intake gas flow rate.

[0046] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of this utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A high-concentration sulfur dioxide flue gas reactor, comprising a main body (1), characterized in that: A smoke inlet pipe (2) is provided on one side of the main body (1), and smoke exhaust pipes (3) are provided on both sides of the main body (1) near the top. A door (4) is hinged to the front of the main body (1). When the door (4) is closed, it is sealed to the main body (1). A water tank (5) and a spray assembly (6) are provided on the top of the main body (1). A pump body A (7) is connected to the bottom of the main body (1). A conduit (8) is connected to the output end of the pump body A (7). The conduit (8) extends through the bottom of the smoke inlet pipe (2) into its interior. The main body (1) has connecting seats (9) on both sides inside. A base (10) is slidably installed between the two connecting seats (9). The top of the base (10) is provided with multiple counterweights (11). A through groove A (12) is opened at the center of the inside of the base (10). Through grooves B (13) are opened on both sides of the through groove A (12) of the base (10). A top seat (14) is provided inside the main body (1). A through groove C (15) is opened at the top seat (14). An adaptive filter element (16) is provided between the through groove A (12) and the through groove C (15). The bottom and top of the adaptive filter element (16) are respectively provided with a bottom plate (17) and a top frame (18). The top of the bottom plate (17) abuts against the bottom surface of the base (10). The top of the top frame (18) is connected to the top seat. The bottom surface of (14) abuts against the top frame (18), the size of the top frame (18) is smaller than that of the through groove A (12), the top frame (18) is provided with two extension plates (19), the extension plates (19) pass through the through groove C (15), the extension plates (19) are provided with a limiting groove (20), the top of the top seat (14) is installed with a limiting component (21), the limiting component (21) matches and engages with the limiting groove (20), the main body (1) is fixedly connected with recycling troughs (22) on both sides, the top of the recycling troughs (22) is in close contact with the base (10) and the connecting seat (9), the two recycling troughs (22) are connected by a U-shaped tube (23), and the two recycling troughs (22) are both located below the through groove B (13), the recycling troughs (22) are connected to the water tank (5) through the circulation component (24).

2. The high-concentration sulfur dioxide flue gas reactor according to claim 1, characterized in that: Each of the two connecting seats (9) has a stop (25) on one side opposite to the other, and the stop (25) is close to the top of the connecting seat (9).

3. The high-concentration sulfur dioxide flue gas reactor according to claim 1, characterized in that: The spray assembly (6) includes a pump body B (601), the pump body B (601) is connected to the water tank (5) at the pumping end, and the pump body B (601) is connected to a liquid delivery pipe (602) at the outlet end. The liquid delivery pipe (602) extends into the interior of the main body (1) and is close to the top of the interior of the main body (1). Multiple branch pipes (603) are provided on both sides of the liquid delivery pipe (602), and a nozzle (604) is provided at the bottom of the branch pipe (603).

4. A high-concentration sulfur dioxide flue gas reactor according to claim 1, characterized in that: The opposite sides of the two extension plates (19) are attached to the left and right sides of the through groove C (15), and the front and rear ends of the extension plates (19) are attached to the front and rear sides of the through groove C (15).

5. A high-concentration sulfur dioxide flue gas reactor according to claim 1, characterized in that: The limiting component (21) includes a fixing plate (2101), and there are two fixing plates (2101). Both fixing plates (2101) are fixedly installed on the top of the top seat (14). An L-shaped pull rod (2102) is provided through both fixing plates (2101). One end of the pull rod (2102) is rotatably connected to an abutment plate (2103). A limiting block (2104) is provided on one side of the abutment plate (2103). The limiting block (2104) matches and engages with the limiting groove (20). The fixing plate (2101) and the abutment plate (2103) are connected by multiple springs (2105). A multiple guide rod (2106) is provided on one side of the abutment plate (2103). The guide rod (2106) moves through the fixing plate (2101).

6. A high-concentration sulfur dioxide flue gas reactor according to claim 5, characterized in that: The top of the top seat (14) is provided with two limiting seats (26), and the top of the limiting seat (26) is provided with a groove (27). The size of the groove (27) is larger than the size of the pull rod (2102), and the limiting seat (26) is close to the pull rod (2102).

7. A high-concentration sulfur dioxide flue gas reactor according to claim 1, characterized in that: The main body (1) is fixedly installed with a support frame (28). The support frame (28) has a support slot (29) inside. A filter plate (30) is movably installed in the support slot (29). The filter plate (30) has handles on both sides of its top. The filter plate (30) is located between the smoke inlet pipe (2) and the connection between the pump body A (7) and the main body (1).

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