Regeneration method of denitration catalyst and regeneration system of denitration catalyst

Abstract

The invention provides a regeneration method of a denitration catalyst and a regeneration system of the denitration catalyst. The regeneration system comprises a mounting rack, a regeneration device and a control device, and a control circuit is mounted in the mounting rack; the rotating assembly comprises a rotating shaft, the rotating shaft is rotationally mounted at the top of the mounting frame, a motor for driving the rotating shaft to rotate is mounted in the mounting frame, a clamping disc is fixed to the bottom of the rotating shaft, and five clamping grooves are formed in the outer ring of the clamping disc at equal intervals; the storage assembly comprises a sliding frame, the sliding frame is fixed to the position, located at the rear end of the clamping disc, of the mounting frame, medical tools needed by an operation can be manually sent out remotely according to the serial number of the mechanical arm and the types of the attached medical tools, and the medical tools are sequentially arranged on the clamping disc according to the use sequence; then the adjusting assembly is controlled to unfold the mechanical arm to be used, the medical tools on the operating arm are used for remote surgery, and the problem that disorder is prone to occurring due to the fact that intermediate operation is complex and difficult is solved.

Description

Technical Field

[0001] This disclosure relates to the field of denitrification catalyst regeneration technology, and in particular to a method for regenerating a denitrification catalyst and a system for regenerating a denitrification catalyst. Background Technology

[0002] This refers to catalysts used in SCR denitrification systems in power plants. In the SCR reaction, these catalysts selectively react with nitrogen oxides in the flue gas at a specific temperature, acting as a reducing agent. Commercial SCR catalysts primarily use TiO2 as a carrier, V2O5 as the main active ingredient, and WO3 and MoO3 as antioxidant and anti-poisoning auxiliary components. Catalyst types can be divided into three categories: plate, honeycomb, and corrugated plate. Plate catalysts use a stainless steel mesh as the substrate, with a mixture of TiO2, V2O5, etc., adhered to the mesh. After pressing and calcination, the catalyst plates are assembled into catalyst modules. Honeycomb catalysts are generally homogeneous catalysts. A mixture of TiO2, V2O5, WO3, etc., is extruded using a ceramic extrusion device to form catalyst elements with a cross-section of 150mm x 150mm and varying lengths, which are then assembled into standard modules with a cross-section of approximately 2m x 1m.

[0003] SCR flue gas denitrification catalyst regeneration methods include water washing regeneration, thermal regeneration, thermal reduction regeneration, acid regeneration, SO2 acidification thermal regeneration, and active salt solution activation regeneration. In the catalyst regeneration method, the regeneration liquid needs to be applied to the surface of the catalyst and then dried. This process needs to be repeated multiple times. In the existing technology, the catalyst needs to be coated on multiple sides, so the position of the catalyst needs to be changed manually. The existing technology makes it difficult to change the position of the catalyst and to evenly apply the regeneration liquid to the surface of the catalyst. Summary of the Invention

[0004] This disclosure aims to at least partially address one of the technical problems in the related art.

[0005] Therefore, the purpose of this disclosure is to provide a method for regenerating a denitrification catalyst and a system for regenerating a denitrification catalyst.

[0006] To achieve the above objectives, this disclosure provides a regeneration system for a denitrification catalyst, comprising: a regeneration box, a door rotatably mounted on the front of the regeneration box, slide rails fixed at the four corners inside the door, and a base plate slidably mounted on the bottom of the slide rails, the base plate having a drainage groove; a spray assembly, the spray assembly including a horizontal frame slidably mounted on slide rails on both sides of the regeneration box, a movable frame slidably mounted between the two horizontal frames, a movable bracket slidably mounted inside the movable frame, and a spray nozzle provided at the bottom of the movable bracket; and a switching assembly, the switching assembly including a regenerated liquid tank and a water tank, the regenerated liquid tank being fixed to the bottom of the front end of the regeneration box, and the bottom of the rear end of the regeneration box... The regeneration box is equipped with a water tank, a switching pipe on the outside of the regeneration box, and pipes fixed at both ends of the bottom of the switching pipe. The switching pipe is connected to the regeneration liquid tank and the water tank through the pipes. A catalyst body is installed between the base plate and the moving frame. A clamping assembly includes a ring, which is fixedly connected to the bottom of two horizontal frames. Two arc plates are symmetrically slidably installed inside the ring. A telescopic plate is fixed to the bottom of the arc plate, and a sphere is fixed to the bottom of the telescopic plate. The sphere slides in contact with the base plate. A circular plate is provided on the inner side of the telescopic plate. A wind box is fixed to the outer wall of the wind box, and a blowing window is opened on the side of the regeneration box corresponding to the wind box.

[0007] Optionally, the switching assembly further includes: a first electric push rod, a piston rod, and a conveying pipe. The piston rod is slidably inserted into the inside of the switching pipe, and the first electric push rod is fixed to the outer wall of the switching pipe. The extended end of the first electric push rod is fixedly connected to the outer end of the piston rod. The conveying pipe is fixed to the top middle of the switching pipe and extends into the top of the regeneration box. A corrugated pipe is fixed to one end of the conveying pipe that extends into the regeneration box, and the corrugated pipe communicates with the spray nozzle inside the movable frame.

[0008] Optionally, the bottom of the regeneration box has two filter tanks, which are respectively connected to the regeneration liquid tank and the water tank. A baffle is slidably installed on the top of the filter tank of the regeneration box. A movable groove is provided on the bottom side of the regeneration box corresponding to the position of the baffle. A connecting frame is slidably inserted into the movable groove. One end of the connecting frame is fixedly connected to the baffle, and the other end of the baffle is fixedly connected to the piston rod.

[0009] Optionally, a return spring is fixed to the outside of the slide rail on the cross frame and the bottom plate, and the return spring is fixedly connected to the inner wall of the regeneration box; wherein, a vertical groove is opened on the inner wall of the back of the regeneration box, and a bidirectional screw is rotatably installed inside the vertical groove through a bearing, a screw block is threaded on the surface of the bidirectional screw, and a protruding plate is fixed on the outside of the screw block.

[0010] Optionally, the spray assembly further includes: a first screw and a second screw, wherein the first screw is rotatably mounted inside the cross frame via a bearing, and the movable frame is threaded onto the surface of the first screw; the second screw is rotatably mounted inside one side of the movable frame, and the movable frame is threaded onto the surface of the second screw; wherein the movable frame is fixed with a first scraper at the front and rear ends of the spray nozzle, and a second scraper is fixed at the bottom of both sides of the movable frame.

[0011] Optionally, the clamping assembly further includes: a drive motor, a gear, and a gear ring. The bottom of the circular ring is fixed with a gear ring, and one side of the gear ring is meshed with a gear. The drive motor is fixed on the outer wall of the circular ring at a position corresponding to the gear, and the output end of the drive motor is fixedly connected to the gear. The two ends of the arc plate are rotatably mounted with second electric push rods via rotating shafts, and the extended end of the second electric push rod is rotatably mounted with a vertical rod, which is connected to the circular plate.

[0012] Optionally, a third screw is rotatably mounted on the side of the telescopic plate via a bearing seat, and a telescopic frame is threaded onto the surface of the third screw. A motor is mounted on the extended end of the telescopic frame, and the motor at the extended end of the telescopic frame is fixedly connected to the circular plate.

[0013] Optionally, the outer edge of the circular plate is provided with an annular groove, and a sliding plate is slidably installed inside the annular groove, with the vertical rod fixedly connected to the sliding plate.

[0014] Optionally, the recycling box is rotatably mounted with a winding shaft at the top and bottom of the air blower via a pivot and a torsion spring. A baffle cloth is wound onto the surface of the winding shaft, and the baffle cloths at the upper and lower ends of the recycling box are fixedly connected to the sides of the cross frame and the bottom plate, respectively.

[0015] A method for regenerating a denitrification catalyst, the regeneration method comprising the following steps: (1) Open the box door, place the catalyst body between the bottom plate and the spray assembly, and clamp the catalyst body on both sides by the clamping assembly; (2) The spray assembly first rinses the catalyst body, and then the switching assembly switches the regeneration liquid to be sprayed onto the surface of the catalyst body through the spray assembly. (3) During the process of rinsing the catalyst body and applying the regeneration liquid, the clamping component drives the catalyst body to rotate, so that different sides are sprayed onto the component. (4) The surface of the catalyst body coated with regeneration liquid is dried by the wind box and the air blowing window. The catalyst body is repeatedly coated and dried inside the regeneration box until the catalyst body regeneration process is completed.

[0016] The technical solution provided in this disclosure may include the following beneficial effects: This invention incorporates a spring inside the telescopic plate. After the catalyst body is placed on the base plate and the moving frame, the bottom of the telescopic plate contacts the base plate. Subsequently, the second electric push rods at both ends of the arc plate push the vertical rod and the circular plate to move. After the telescopic frame extends, the circular plate clamps both sides of the catalyst body and pushes the catalyst body towards the center, facilitating subsequent cleaning, application of regeneration liquid, and drying. The drive motor drives the gear to rotate and mesh with the gear ring, so that the arc plate and the gear ring move synchronously along the inside of the ring. The circular plate drives the catalyst body to rotate, aligning different faces with the air blowing window. The motor of the telescopic frame drives the circular plate to rotate, and the sliding plate slides along the inside of the ring groove, maintaining the connection between the circular plate and the vertical rod without interfering with the rotation of the circular plate. The circular plate drives the catalyst body to flip, aligning different faces with the bottom of the spray assembly and with the air blowing window, thus facilitating the application of regeneration liquid to the surface of different catalyst bodies and drying. This process does not require human intervention and can improve the efficiency of regeneration treatment. This invention utilizes a built-in small motor to control the first screw, the second screw, and the bidirectional screw. When the first screw rotates, the moving frame moves along the inside of the horizontal frame, adjusting the position of the spray nozzle laterally. When the second screw rotates, the moving frame moves along the inside of the moving frame in a threaded engagement with the second screw, adjusting the position of the spray nozzle longitudinally. This allows for adjustment of the spray nozzle position to suit the surface of catalyst bodies of different sizes, ensuring complete rinsing of the catalyst body and ensuring that the regeneration liquid is applied to the surface of the catalyst body. During the movement of the moving frame and moving frame, the first scraper and the second scraper apply the regeneration liquid to the surface of the catalyst body, ensuring that the liquid is evenly applied to the surface of the catalyst body. This invention utilizes a bidirectional screw rotation, with a screw block threaded into the bidirectional screw. The screw block moves along a vertical groove, and a convex plate presses against the horizontal frame and bottom plate, allowing it to slide along a slide rail. Before the catalyst body is placed in, the central area is expanded to its maximum size. Then, the screw block is retracted to the central position, and the horizontal frame and bottom plate are reset by a return spring, limiting the top and bottom of the catalyst body. At this time, when the catalyst body is flipped by the clamping assembly, interference can be avoided by the movement of the horizontal frame and bottom plate. When the horizontal frame and bottom plate move, the unwinding of the winding shaft causes a baffle to block the air blowing windows around the horizontal frame and bottom plate, leaving only the area between the horizontal frame and bottom plate open, allowing the hot air from the bellows to blow onto the surface of the catalyst body. This invention uses a first electric push rod to move a piston rod, which switches the openings of the regenerated liquid tank and the water tank pipes. At the same time, the connecting frame slides along the moving groove, causing the baffle to move along the top of the regeneration tank, so that one of the regenerated liquid tank and the water tank can be connected to the delivery pipe, and the baffle can be used to block the other set. The catalyst body can be rinsed and coated with regenerated liquid through the spray nozzle.

[0017] Additional aspects and advantages of this disclosure will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of this disclosure. Attached Figure Description

[0018] The above and / or additional aspects and advantages of this disclosure will become apparent and readily understood from the following description of the embodiments taken in conjunction with the accompanying drawings, in which: Figure 1 This is a schematic flowchart of a method for regenerating a denitrification catalyst according to an embodiment of this disclosure; Figure 2 This is a schematic diagram of the overall structure of a denitrification catalyst regeneration system according to an embodiment of this disclosure; Figure 3 This is a schematic diagram of the internal structure of the regeneration box in a denitrification catalyst regeneration system according to an embodiment of this disclosure; Figure 4 This is a schematic diagram showing the connection between the bottom plate and the regeneration box in a regeneration system for a denitrification catalyst according to an embodiment of this disclosure; Figure 5 This is a schematic diagram of the structure of one side of the air blowing window of the regeneration box in a regeneration system for a denitrification catalyst according to an embodiment of this disclosure; Figure 6 This is a schematic diagram of the switching component structure in a denitrification catalyst regeneration system according to an embodiment of this disclosure; Figure 7 This is a schematic diagram of the spray assembly structure in a denitrification catalyst regeneration system according to an embodiment of this disclosure; Figure 8 This is a schematic diagram showing the connection between the clamping component and the spraying component in a regeneration system for a denitrification catalyst according to an embodiment of this disclosure; Figure 9 This is a schematic diagram of the clamping component structure in a denitrification catalyst regeneration system according to an embodiment of this disclosure; Figure 10 This is a schematic diagram of the connection between the telescopic plate and the disc in a regeneration system for a denitrification catalyst according to an embodiment of this disclosure; Figure 11 This is a system control diagram of a denitrification catalyst regeneration system according to an embodiment of this disclosure; As shown in the figure: 1. Regeneration box; 11. Box door; 12. Vertical groove; 13. Double-acting screw; 14. Slide rail; 15. Return spring; 16. Base plate; 17. Air blowing window; 18. Screw block; 19. Protruding plate; 110. Rewinding shaft; 111. Baffle cloth; 112. Filter tank; 113. Baffle plate; 2. Bellows; 3. Switching assembly; 31. Regenerated liquid tank; 32. Water tank; 33. Switching pipe; 34. First electric push rod; 35. Piston rod; 36. Connecting frame; 37. Moving trough; 38. Delivery pipe; 4. Catalyst body; 5. Spray assembly; 51. Horizontal frame; 52. Moving frame; 53. First screw; 55. Second screw; 56. Moving frame; 57. Spray nozzle; 58. First scraper; 59. Second scraper; 6. Clamping assembly; 61. Ring; 62. Drive motor; 63. Gear; 64. Gear ring; 65. Telescopic plate; 66. Sphere; 67. Arc plate; 68. Second electric push rod; 69. Circular plate; 610. Vertical rod; 611. Circular groove; 612. Third screw; 613. Slide plate; 614. Telescopic frame. Detailed Implementation

[0019] Embodiments of this disclosure are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are used only to explain this disclosure, and should not be construed as limiting this disclosure. Rather, embodiments of this disclosure include all variations, modifications, and equivalents falling within the spirit and scope of the appended claims.

[0020] like Figure 1 As shown, a method for regenerating a denitrification catalyst includes the following steps: (1) Open the box door, place the catalyst body between the bottom plate and the spray assembly, and clamp the catalyst body on both sides by the clamping assembly; (2) The spray assembly first rinses the catalyst body, and then the switching assembly switches the regeneration liquid to be sprayed onto the surface of the catalyst body through the spray assembly. (3) During the process of rinsing the catalyst body and applying the regeneration liquid, the clamping component drives the catalyst body to rotate, so that different sides are sprayed onto the component. (4) The surface of the catalyst body coated with regeneration liquid is dried by the wind box and the air blowing window. The catalyst body is repeatedly coated and dried inside the regeneration box until the catalyst body regeneration process is completed.

[0021] like Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 8 , Figure 9 and Figure 11As shown, this disclosure proposes a regeneration system for a denitrification catalyst, comprising: a regeneration tank 1, with a door 11 rotatably mounted on the front of the regeneration tank 1; slide rails 14 fixed at the four corners inside the door 11; and a base plate 16 slidably mounted on the bottom of the slide rails 14, with grooves formed on the base plate 16; and a spray assembly 5, comprising a horizontal frame 51 slidably mounted on the slide rails 14 on both sides of the regeneration tank 1; a movable frame 52 slidably mounted between the two horizontal frames 51; and a movable frame 56 slidably mounted inside the movable frame 52, with a spray nozzle at the bottom of the movable frame 56. A spray nozzle 57; a switching assembly 3, which includes a regenerated liquid tank 31 and a water tank 32. The regenerated liquid tank 31 is fixed to the bottom of the front end of the regenerated tank 1, and the water tank 32 is fixed to the bottom of the rear end of the regenerated tank 1. A switching pipe 33 is provided on the outside of the regenerated tank 1, and pipes are fixed to both ends of the bottom of the switching pipe 33. The switching pipe 33 is connected to the regenerated liquid tank 31 and the water tank 32 through the pipes; a catalyst body 4, which is installed between the base plate 16 and the moving frame 52; and a clamping assembly 6, which includes a ring 61, which is fixedly connected to the bottom of the two horizontal frames 51. The inner side of the ring 61 has two symmetrically slidingly mounted arc plates 67. A telescopic plate 65 is fixed to the bottom of each arc plate 67, and a sphere 66 is fixed to the bottom of the telescopic plate 65. The sphere 66 slides in contact with the base plate 16. A circular plate 69 is provided on the inner side of the telescopic plate 65. A wind box 2 is fixed to the outer wall of the wind box 2. A blowing window 17 is provided on one side of the regeneration box 1 corresponding to the wind box 2. When using the device, the box door 11 is opened, and the catalyst body 4 is placed between the base plate 16 and the spray assembly 5. The catalyst body 4 is clamped on both sides by the clamping assembly 6. The spray assembly 5 first sprays the catalyst... The catalyst body 4 is rinsed, and then the switching component 3 switches the regeneration liquid to spray onto the surface of the catalyst body 4 through the spray component 5. During the rinsing and regeneration liquid application process, the clamping component 6 drives the catalyst body 4 to rotate, so that different surfaces correspond to the spray component 5. The surface of the catalyst body 4 coated with regeneration liquid is dried through the air box 2 and the air blowing window 17. The catalyst body 4 is repeatedly coated and dried inside the regeneration box 1 until the regeneration process of the catalyst body 4 is completed. The regeneration process of the catalyst body 4 is consistent with the processing of advanced petrochemical new materials and advanced non-ferrous metal materials.

[0022] like Figure 2 and Figure 6As shown, in some embodiments, the switching assembly 3 further includes: a first electric push rod 34, a piston rod 35, and a conveying pipe 38. The piston rod 35 is slidably inserted into the inside of the switching pipe 33, and the first electric push rod 34 is fixed to the outer wall of the switching pipe 33. The extended end of the first electric push rod 34 is fixedly connected to the outer end of the piston rod 35. The conveying pipe 38 is fixed to the top center of the switching pipe 33, and the conveying pipe 38 penetrates the top of the regeneration box 1. A corrugated pipe is fixed to one end of the conveying pipe 38 that penetrates the regeneration box 1, and the corrugated pipe is connected to the piston rod 35. The spray nozzle 57 inside the moving frame 56 is connected. Two filter tanks 112 are opened at the bottom of the regeneration box 1. The two filter tanks 112 are respectively connected to the regeneration liquid tank 31 and the water tank 32. A baffle 113 is slidably installed on the top of the filter tank 112. A moving groove 37 is opened on the bottom side of the regeneration box 1 corresponding to the position of the baffle 113. A connecting frame 36 is slidably inserted into the moving groove 37. One end of the connecting frame 36 is fixedly connected to the baffle 113, and the other end of the baffle 113 is fixedly connected to the piston rod 35.

[0023] Understandably, the first electric push rod 34 drives the piston rod 35 to move, and the piston rod 35 switches the opening of the pipes of the regenerated liquid tank 31 and the water tank 32. At the same time, the connecting frame 36 slides along the moving groove 37, driving the baffle 113 to move along the top of the regeneration box 1, so that one of the regenerated liquid tank 31 and the water tank 32 is connected to the delivery pipe 38, and the baffle 113 blocks the other set, so that the catalyst body 4 can be rinsed and coated with regenerated liquid through the spray nozzle 57.

[0024] like Figure 4 and Figure 5 As shown, in some embodiments, the horizontal frame 51 and the base plate 16 are fixed with a return spring 15 on the outside of the slide rail 14, and the return spring 15 is fixedly connected to the inner wall of the regeneration box 1; wherein, a vertical groove 12 is provided on the inner wall of the back side of the regeneration box 1, and a bidirectional screw 13 is rotatably installed inside the vertical groove 12 through a bearing, a screw block 18 is threaded on the surface of the bidirectional screw 13, and a protruding plate 19 is fixed on the outside of the screw block 18; the regeneration box 1 is rotatably installed with a winding shaft 110 at the top and bottom of the air blowing window 17 through a rotating shaft and a torsion spring, and a baffle 111 is wound on the surface of the winding shaft 110; the baffles 111 at the upper and lower ends of the regeneration box 1 are fixedly connected to the sides of the horizontal frame 51 and the base plate 16, respectively.

[0025] Understandably, when the bidirectional screw 13 rotates, the screw block 18 engages with the bidirectional screw 13 threadedly, the screw block 18 moves along the vertical groove 12, and the convex plate 19 presses against the horizontal frame 51 and the bottom plate 16, causing them to slide along the slide rail 14. Before the catalyst body 4 is placed in, the middle area is expanded to the maximum extent. Then the screw block 18 is retracted to the middle position, and the horizontal frame 51 and the bottom plate 16 are reset by the return spring 15, limiting the top and bottom of the catalyst body 4. At this time, when the catalyst body 4 is flipped by the clamping assembly 6, interference can be avoided by the movement of the horizontal frame 51 and the bottom plate 16. When the horizontal frame 51 and the bottom plate 16 move, the rewinding shaft 110 unwinds, and the baffle 113 blocks the air blowing window 17 around the horizontal frame 51 and the bottom plate 16, leaving only the area between the horizontal frame 51 and the bottom plate 16, so that the hot air sent by the air box 2 blows onto the surface of the catalyst body 4.

[0026] like Figure 5 , Figure 6 , Figure 7 and Figure 8 As shown, in some embodiments, the spray assembly 5 further includes: a first screw 53 and a second screw 55. The first screw 53 is rotatably mounted inside the cross frame 51 via a bearing, and the movable frame 52 is threaded onto the surface of the first screw 53. The second screw 55 is rotatably mounted inside one side of the movable frame 52, and the movable frame 56 is threaded onto the surface of the second screw 55. The movable frame 56 has a first scraper 58 fixed at the front and rear ends of the spray nozzle 57, and a second scraper 59 is fixed at the bottom of both sides of the movable frame 52.

[0027] It should be noted that the first screw 53, the second screw 55, and the bidirectional screw 13 are all controlled by a built-in small motor. When the first screw 53 rotates, the moving frame 52 moves along the inside of the horizontal frame 51, adjusting the position of the spray nozzle 57 in the horizontal direction. When the second screw 55 rotates, the moving frame 56 moves along the inside of the moving frame 52 in a threaded engagement with the second screw 55, adjusting the position of the spray nozzle 57 in the longitudinal direction. This allows the position of the spray nozzle 57 to be adjusted for the surface of catalyst bodies 4 of different sizes, thereby ensuring that the catalyst body 4 is thoroughly rinsed and that the regeneration liquid is applied to the surface of the catalyst body 4. During the movement of the moving frame 56 and the moving frame 52, the first scraper 58 and the second scraper 59 apply the regeneration liquid to the surface of the catalyst body 4, ensuring that the liquid is evenly applied to the surface of the catalyst body 4.

[0028] like Figure 8 , Figure 9 and Figure 10As shown, in some embodiments, the clamping assembly 6 further includes: a drive motor 62, a gear 63, and a gear ring 64. The bottom of the ring 61 is fixed with a gear ring 64, and one side of the gear ring 64 is meshed with a gear 63. A drive motor 62 is fixed on the outer wall of the ring 61 at a position corresponding to the gear 63, and the output end of the drive motor 62 is fixedly connected to the gear 63. The two ends of the arc plate 67 are rotatably mounted with second electric push rods 68 via rotating shafts, and the extended ends of the second electric push rods 68 are rotatably mounted with vertical... The vertical rod 610 is connected to the circular plate 69. A third screw 612 is rotatably mounted on the side of the telescopic plate 65 through a bearing seat. A telescopic frame 614 is threaded onto the surface of the third screw 612. A motor is mounted on the extended end of the telescopic frame 614. The motor at the extended end of the telescopic frame 614 is fixedly connected to the circular plate 69. An annular groove 611 is formed on the outer edge of the circular plate 69. A sliding plate 613 is slidably mounted inside the annular groove 611. The vertical rod 610 is fixedly connected to the sliding plate 613.

[0029] It should be noted that the telescopic plate 65 has a spring inside. After the catalyst body 4 is placed on the base plate 16 and the moving frame 52, the bottom of the telescopic plate 65 contacts the base plate 16. Then, the second electric push rods 68 at both ends of the arc plate 67 push the vertical rod 610 and the circular plate 69 to move. After the telescopic frame 614 extends, it clamps the two sides of the catalyst body 4 through the circular plate 69 and can push the catalyst body 4 towards the middle, thereby facilitating subsequent cleaning, application of regeneration liquid and drying. The drive motor 62 drives the gear 63 to rotate and mesh with the gear ring 64, so that the arc plate 67 and the gear ring 64 move synchronously along the inside of the circular ring 61. The circular plate 69 drives the catalyst body 4 to rotate, aligning different faces with the air blowing window 17. The motor of the telescopic frame 614 drives the circular plate 69 to rotate, and the slide plate 613 slides along the inside of the annular groove 611, maintaining the connection between the circular plate 69 and the vertical rod 610 without interfering with the rotation of the circular plate 69. The circular plate 69 drives the catalyst body 4 to flip, aligning different faces with the bottom of the spray assembly 5 and with the air blowing window 17, thereby facilitating the application of regeneration liquid to the surface of different catalyst bodies 4 and drying the surface. This process does not require human intervention and can improve the efficiency of regeneration.

[0030] Working principle: When using the device, open the box door 11, the bidirectional screw 13 rotates, the screw block 18 engages with the bidirectional screw 13, the screw block 18 moves along the vertical groove 12, and the convex plate 19 presses against the horizontal frame 51 and the bottom plate 16, causing them to slide along the slide rail 14. Before the catalyst body 4 is placed in, the middle area is expanded to its maximum size. Then, the screw block 18 is retracted to the middle position, and the horizontal frame 51 and the bottom plate 16 are reset by the return spring 15, limiting the top and bottom of the catalyst body 4. At this time, when the catalyst body 4 is flipped by the clamping assembly 6, interference can be avoided by the movement of the horizontal frame 51 and the bottom plate 16. When the horizontal frame 51 and the bottom plate 16 move, the unwinding of the winding shaft 110 and the baffle 113 block the air blowing window 17 around the horizontal frame 51 and the bottom plate 16, only The area between the horizontal frame 51 and the base plate 16 is left open. Hot air from the bellows 2 is blown onto the surface of the catalyst body 4. The catalyst body 4 is placed between the base plate 16 and the spray assembly 5. The catalyst body 4 is clamped on both sides by the clamping assembly 6. The spray assembly 5 first rinses the catalyst body 4. Then, the switching assembly 3 switches the regeneration liquid to be sprayed onto the surface of the catalyst body 4 through the spray assembly 5. The first electric push rod 34 drives the piston rod 35 to move. The piston rod 35 switches the opening of the pipes of the regeneration liquid tank 31 and the water tank 32. At the same time, the connecting frame 36 slides along the moving groove 37, driving the baffle 113 to move along the top of the regeneration box 1, so that one of the regeneration liquid tank 31 and the water tank 32 is connected to the delivery pipe 38, and the baffle is used to connect the regeneration liquid tank 31 and the water tank 32. For another set of shielding, the catalyst body 4 can be rinsed and coated with regeneration liquid through the spray nozzle 57. The first screw 53, the second screw 55, and the bidirectional screw 13 are all controlled by a built-in small motor. When the first screw 53 rotates, the moving frame 52 moves along the inside of the horizontal frame 51, adjusting the position of the spray nozzle 57 laterally. When the second screw 55 rotates, the moving frame 56, threadedly engaged with the second screw 55, moves along the inside of the moving frame 52, adjusting the position of the spray nozzle 57 longitudinally. This allows the position of the spray nozzle 57 to be adjusted for the surface of catalyst bodies 4 of different sizes, ensuring complete rinsing of the catalyst body 4 and ensuring that the regeneration liquid is applied to the surface of the catalyst body 4. During the movement of the moving frame 56 and the moving frame 52, the first screw 53 rotates, and the second screw 55 moves along the inside of the moving frame 52, adjusting the position of the spray nozzle 57 longitudinally. The first scraper 58 and the second scraper 59 apply the regeneration liquid to the surface of the catalyst body 4, ensuring a uniform coating. During the rinsing and regeneration liquid application process, the clamping assembly 6 rotates the catalyst body 4, aligning different sides with the spray assembly 5. The telescopic plate 65, with its internal spring, allows the catalyst body 4 to be placed on the base plate 16 and the moving frame 52. The bottom of the telescopic plate 65 contacts the base plate 16, and then the second electric push rods 68 at both ends of the arc plate 67 push the vertical rod 610 and the circular plate 69 to move. After the telescopic frame 614 extends, it clamps both sides of the catalyst body 4 via the circular plate 69 and can push the catalyst body 4 towards the center, facilitating subsequent cleaning, regeneration liquid application, and drying.The drive motor 62 drives the gear 63 to rotate and mesh with the gear ring 64, so that the arc plate 67 and the gear ring 64 move synchronously along the inside of the circular ring 61. The circular plate 69 drives the catalyst body 4 to rotate, aligning different surfaces with the air blowing window 17. The motor of the telescopic frame 614 drives the circular plate 69 to rotate, and the slide plate 613 slides along the inside of the circular groove 611, maintaining the connection between the circular plate 69 and the vertical rod 610 without interfering with the rotation of the circular plate 69. The circular plate 69 drives the catalyst body 4 to flip, aligning different surfaces with the bottom of the spray assembly 5 and with the air blowing window 17, thus facilitating the application of regeneration liquid to the surface of different catalyst bodies 4 and drying. This process does not require human intervention and can improve the efficiency of regeneration. The surface of the catalyst body 4 coated with regeneration liquid is dried by the air box 2 and the air blowing window 17. The catalyst body 4 is repeatedly coated and dried inside the regeneration box 1 until the regeneration process of the catalyst body 4 is completed.

[0031] In the description of this disclosure, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance. Furthermore, in the description of this disclosure, unless otherwise stated, "a plurality of" means two or more.

[0032] Any process or method description in the flowchart or otherwise herein can be understood as representing a module, segment, or portion of code comprising one or more executable instructions for implementing a particular logical function or process, and the scope of preferred embodiments of this disclosure includes additional implementations in which functions may be performed not in the order shown or discussed, including substantially simultaneously or in reverse order depending on the function involved, as will be understood by those skilled in the art to which embodiments of this disclosure pertain.

[0033] In the description of this specification, references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of this disclosure. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0034] Although embodiments of the present disclosure have been shown and described above, it is to be understood that the above embodiments are exemplary and should not be construed as limiting the present disclosure. Those skilled in the art can make changes, modifications, substitutions and variations to the above embodiments within the scope of the present disclosure.

Claims

1. A regeneration system of a denitration catalyst, characterized by, The utility model relates to a regeneration box, and regeneration box includes: The front of regeneration box (1) swingly installed has box door (11), the inside four corners of box door (11) are fixed with slide rail (14), and the bottom of slide rail (14) is slidably installed with bottom plate (16), and the bottom plate (16) is provided with leak groove; Spray subassembly (5), spray subassembly (5) includes cross frame (51), cross frame (51) is slidably installed on the slide rail (14) of both sides of regeneration box (1), and the mobile frame (52) is slidably installed between two cross frames (51), the inside of mobile frame (52) is slidably installed with mobile frame (56), and the bottom of mobile frame (56) is provided with spray opening (57); Switching assembly (3), switching assembly (3) includes regeneration liquid tank (31) and water tank (32), the front end bottom of regeneration box (1) is fixed with regeneration liquid tank (31), and the rear end bottom of regeneration box (1) is fixed with water tank (32), the outside of regeneration box (1) is equipped with switching pipe (33), and the both ends of switching pipe (33) bottom are fixed with pipeline, and switching pipe (33) is connected with regeneration liquid tank (31) and water tank (32) through pipeline; Catalyst body (4) is installed between bottom plate (16) and mobile frame (52); Clamping assembly (6), clamping assembly (6) includes circular ring (61), circular ring (61) is fixedly connected with the bottom of two cross frames (51), two arc plates (67) are slidably installed in the inside of circular ring (61) symmetrically, the bottom of arc plate (67) is fixed with telescopic plate (65), and the bottom of telescopic plate (65) is fixed with spherical ball (66), spherical ball (66) is slidably contacted with bottom plate (16), and the inner side of telescopic plate (65) is equipped with circular plate (69); The outer wall of wind box (2) is fixed with wind box (2), and the side of regeneration box (1) corresponds to the blowing window (17) of wind box (2).

2. The regeneration system of a denitration catalyst according to claim 1, characterized by, The switching assembly (3) further includes: First electric push rod (34), piston rod (35), delivery pipe (38), the inside of switching pipe (33) is slidably inserted with piston rod (35), and the outer wall of switching pipe (33) is fixed with first electric push rod (34), and the elongated end of first electric push rod (34) is fixedly connected with the outer end of piston rod (35); Wherein, the middle top of switching pipe (33) is fixed with delivery pipe (38), and the delivery pipe (38) penetrates the top of regeneration box (1), one end of the delivery pipe (38) penetrates the top of regeneration box (1) and is fixed with bellows, and the bellows are communicated with the spray opening (57) in the inside of mobile frame (56).

3. The regeneration system of a denitration catalyst according to claim 2, characterized by, The bottom of regeneration box (1) is provided with two filter grooves (112), and the two filter grooves (112) are respectively communicated with the regeneration liquid tank (31) and the water tank (32), and the top of the filter groove (112) is slidably installed with the baffle (113) of regeneration box (1) The bottom side of the regeneration box (1) is provided with a moving groove (37) corresponding to the position of the baffle (113), and a connecting frame (36) is slidably connected in the moving groove (37), one end of the connecting frame (36) is fixedly connected with the baffle (113), and the other end of the baffle (113) is fixedly connected with the piston rod (35).

4. The regeneration system of a denitration catalyst according to claim 1, characterized by, The transverse frame (51) and the bottom plate (16) are fixed with a reset spring (15) outside the slide rail (14), and the reset spring (15) is fixedly connected with the inner wall of the regeneration box (1). The back inner wall of the regeneration box (1) is provided with a vertical groove (12), and a double-way screw rod (13) is rotatably installed in the vertical groove (12) through a bearing, and a screw block (18) is threadedly connected on the surface of the double-way screw rod (13), and a convex plate (19) is fixedly connected on the outer side of the screw block (18).

5. The regeneration system of a denitration catalyst according to claim 1, characterized by, The spraying assembly (5) further comprises: A first screw rod (53) and a second screw rod (55) are rotatably installed in the transverse frame (51) through a bearing, and the moving frame (52) is threadedly connected on the surface of the first screw rod (53), and the second screw rod (55) is rotatably installed in one side of the moving frame (52), and the moving frame (56) is threadedly connected on the surface of the second screw rod (55); Wherein, the moving frame (56) is fixed with a first scraper (58) at the front end and the rear end of the spraying port (57), and the moving frame (52) is fixed with a second scraper (59) at the bottom of both sides.

6. The regeneration system of a denitration catalyst according to claim 1, characterized by, The clamping assembly (6) further comprises: A driving motor (62), a gear (63) and a gear ring (64) are fixedly connected on the bottom of the circular ring (61), one side of the gear ring (64) is engaged with the gear (63), the driving motor (62) is fixedly connected on the outer wall of the circular ring (61) corresponding to the position of the gear (63), and the output end of the driving motor (62) is fixedly connected with the gear (63); Wherein, the two ends of the arc plate (67) are rotatably installed with a second electric push rod (68) through a rotating shaft, and a vertical rod (610) is rotatably installed at the elongated end of the second electric push rod (68), and the vertical rod (610) is connected with the circular plate (69).

7. The regeneration system of a denitration catalyst according to claim 6, characterized by, The side edge of the telescopic plate (65) is rotatably installed with a third screw rod (612) through a bearing seat, and a telescopic frame (614) is threadedly connected on the surface of the third screw rod (612), and a motor is installed at the elongated end of the telescopic frame (614), and the motor at the elongated end of the telescopic frame (614) is fixedly connected with the circular plate (69).

8. The regeneration system of a denitration catalyst according to claim 7, characterized by, The outer edge of the circular plate (69) is provided with a circular groove (611), and a sliding plate (613) is slidably installed in the circular groove (611), and the vertical rod (610) is fixedly connected with the sliding plate (613).

9. The regeneration system of a denitration catalyst according to claim 1, characterized by, The regeneration box (1) is rotatably installed with a winding shaft (110) through a rotating shaft and a torsion spring at the top and the bottom of the air blowing window (17), the surface of the winding shaft (110) is wound with a cloth (111), and the cloth (111) at the upper end and the lower end of the regeneration box (1) is fixedly connected with the side edge of the transverse frame (51) and the bottom plate (16) respectively.

10. A method for regenerating a denitration catalyst implemented by the system according to claim 1, characterized in that: The regeneration method comprises the following steps: (1) opening the box door, placing the catalyst body between the bottom plate and the spraying assembly, and clamping the two sides of the catalyst body through the clamping assembly; (2) the spraying assembly first flushes the catalyst body, and then the switching assembly switches the regeneration liquid to be sprayed on the surface of the catalyst body through the spraying assembly; (3) the clamping assembly drives the catalyst body to overturn during the process of flushing and coating the regeneration liquid on the catalyst body, so that different surfaces correspond to the spraying assembly; (4) the surface of the catalyst body coated with the regeneration liquid is dried through the air bellow and the blowing window, and the catalyst body is repeatedly coated and dried in the regeneration box until the regeneration treatment of the catalyst body is completed.

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