Sodium trichloroisocyanurate powder drying device

Abstract

The utility model relates to the technical field of production of sodium trichloroisocyanurate powder, in particular to a sodium trichloroisocyanurate powder drying device which can uniformly disperse the sodium trichloroisocyanurate powder and ensure that the sodium trichloroisocyanurate powder is in full contact with a heat source, so that materials are completely dried, adhesion is avoided, and the drying efficiency is improved. Comprising a drying cylinder, a base, a discharging pipe, a discharging pipe, a feeding assembly, a drying assembly, a lifting assembly and a dispersing assembly, the base is fixedly connected to the bottom of the drying cylinder, the discharging pipe is connected to the right side of the bottom of the drying cylinder, a discharging valve is arranged on the discharging pipe, and the discharging pipe is connected to the output end of the bottom of the discharging pipe; a drying assembly is installed on the side wall of the drying cylinder, a lifting assembly is installed at the bottom end of the middle of the drying cylinder, and a dispersing assembly is installed on the upper side in the drying cylinder.

Description

Technical Field

[0001] This utility model relates to the technical field of sodium trichloroisocyanurate powder production, and in particular to a sodium trichloroisocyanurate powder drying device. Background Technology

[0002] Trichloroisocyanuric acid is a novel, broad-spectrum, highly effective, and safe disinfectant, appearing as a white crystalline powder or granular solid at room temperature. When dissolved in water, it undergoes hydrolysis, releasing sodium hypochlorite, thus exhibiting bleaching, bactericidal, and chlorinating effects, and demonstrating excellent killing properties against various bacteria and algae. It possesses highly effective, broad-spectrum, and relatively safe disinfection properties, killing bacteria, viruses, fungi, spores, and even some coccidia oocysts. Production involves multiple processes, with drying being a crucial step. The dryer uses heat to vaporize and release the moisture (generally water or other volatile liquid components) from the material, obtaining a solid material with a specified moisture content. Existing technology publication CN211601402U discloses a powder drying device. This device uses a drying support on a base, with a drying chamber inside. The drug powder enters the drying chamber through an inlet. By activating the drying motor, the drying chamber rotates via a rotating rod, causing the powder within to be agitated. However, during the drying of powders, some pesticide materials cannot be heated evenly, resulting in uneven drying and reduced drying efficiency. Utility Model Content

[0003] To solve the above-mentioned technical problems, this utility model provides a sodium trichloroisocyanurate powder drying device that can uniformly disperse sodium trichloroisocyanurate powder, ensure that the sodium trichloroisocyanurate powder is in full contact with the heat source, make the material completely dry, avoid adhesion, and improve drying efficiency.

[0004] This utility model discloses a sodium trichloroisocyanurate powder drying device, comprising a drying cylinder, a base, a discharge pipe, a feed pipe, a drying component, a lifting component, and a dispersing component. The base is fixedly connected to the bottom of the drying cylinder. A discharge pipe is connected to the right side of the bottom of the drying cylinder, and a discharge valve is installed on the discharge pipe. A discharge pipe is connected to the bottom output end of the discharge pipe. A feed component is installed at the top of the drying cylinder, a drying component is installed on the side wall of the drying cylinder, a lifting component is installed at the bottom middle of the drying cylinder, and a dispersing component is installed on the upper side inside the drying cylinder. The base supports the drying cylinder to ensure stability during use. The feed component evenly feeds sodium trichloroisocyanurate powder into the drying cylinder. The drying component heats and dries the inside of the drying cylinder. The lifting component conveys the lower sodium trichloroisocyanurate powder upwards, while the dispersing component evenly disperses the sodium trichloroisocyanurate powder, ensuring full contact between the sodium trichloroisocyanurate powder and the heat source, resulting in complete drying of the material, preventing adhesion, and improving drying efficiency.

[0005] Preferably, the feeding assembly includes two feed pipes, a feed cylinder, a feed hopper, a feed shaft, a geared motor, and two feed screw conveyor blades. The two feed pipes are fixedly connected to the left and right sides of the top of the drying cylinder. The feed cylinder is connected to the top of the feed pipes. Multiple discharge holes are opened on the feed cylinder at the position communicating with the input end of the feed pipes. The feed hopper is connected to the middle of the top of the feed cylinder. The feed shaft is rotatably installed in the middle of the feed cylinder. The left input end of the feed cylinder is connected to the output end of the geared motor. The geared motor is installed on the right side wall of the feed cylinder. Symmetrical feeding screw conveyors are installed on both sides of the feeding shaft, and the feeding screw conveyors are in contact with the inner wall of the feeding cylinder. Sodium trichloroisocyanurate powder is added into the feeding hopper. The reduction motor is started and drives the feeding screw conveyors to rotate through the feeding shaft. The feeding screw conveyors push the sodium trichloroisocyanurate powder to both sides in the feeding cylinder and input it into the drying cylinder through the discharge hole and two feeding pipes. The sodium trichloroisocyanurate powder is added into the drying cylinder gradually to avoid adding too much at once, which would affect the drying quality.

[0006] Preferably, the drying assembly includes multiple arc-shaped heating plates, a heat insulation layer, and multiple annular heating plates. A heating chamber is formed in the middle of the side wall of the drying cylinder. Multiple arc-shaped heating plates are installed inside the heating chamber, and multiple annular heating plates are arranged vertically on the inner wall of the drying cylinder. The annular heating plates are inclined downwards in the middle, and their upper surfaces are smooth. The heat insulation layer is installed on the outside of the heating chamber of the drying cylinder. The multiple arc-shaped heating plates are activated to raise the temperature inside the drying cylinder. Sodium trichloroisocyanurate powder is added into the drying cylinder and falls onto the upper surface of the annular heating plates, where it flows and is heated. This ensures that the sodium trichloroisocyanurate powder has full contact with the heat source, allowing the material to dry completely and improving the drying quality. The heat insulation layer keeps the heating chamber warm, reducing energy waste.

[0007] Preferably, the lifting assembly includes a lifting cylinder, a lifting shaft, a gearbox, a drive motor, and lifting spiral conveyor blades. The lifting cylinder is installed at the bottom of the drying cylinder, and multiple feed troughs are provided at the bottom of the lifting cylinder. The lifting shaft is rotatably installed inside the lifting cylinder, and its bottom input end passes through the bottom of the drying cylinder and connects to the output end of the gearbox. The gearbox is installed at the bottom of the drying cylinder, and its input end is connected to the output end of the drive motor. Lifting spiral conveyor blades are installed on the outer wall of the lifting cylinder and are located inside the lifting cylinder. After the sodium trichloroisocyanurate powder falls to the bottom of the drying cylinder, it enters the bottom of the lifting cylinder through the feed troughs. The drive motor is started, and the gearbox drives the lifting shaft to rotate. The lifting shaft drives the lifting spiral conveyor blades to rotate, conveying the sodium trichloroisocyanurate powder upwards, thus circulating and heating the sodium trichloroisocyanurate powder and improving the drying quality.

[0008] Preferably, the dispersing assembly includes a turntable, gears, a rotating ring, multiple inclined rods, multiple annular dispersing plates, and multiple sets of hanging rods. An extension platform is located at the top of the drying cylinder, and a turntable is rotatably mounted at the bottom of the extension platform. A rotating ring is connected to the bottom of the turntable, and teeth are provided on the inner wall of the rotating ring. A gear is mounted at the top of the lifting shaft, and the gear meshes with the teeth. Multiple inclined rods are axially and evenly installed at the bottom of the rotating ring, and annular dispersing plates are connected to the bottom of the inclined rods. Multiple hanging rods are axially and evenly installed at the bottom of the annular dispersing plates, connecting the multiple annular dispersing plates. The powder is arranged alternately with a circular dispersing plate and multiple annular heating plates, with the outer edge of the circular dispersing plate inclined downwards. Sodium trichloroisocyanurate powder, conveyed by the lifting screw conveyor blades, falls onto the surface of the upper annular dispersing plate. When the lifting shaft rotates, it drives the turntable and the rotating ring to rotate through gears. The rotating ring drives the annular dispersing plate to rotate through multiple inclined rods, spreading the sodium trichloroisocyanurate powder. Through the cooperation of multiple annular dispersing plates, the sodium trichloroisocyanurate powder moves alternately on multiple annular heating plates, improving the drying quality of the sodium trichloroisocyanurate powder.

[0009] Preferably, it also includes multiple scrapers and multiple support rods. Multiple support rods are evenly installed on multiple inclined rods, and scrapers are fixedly installed at the other end of the support rods. The scrapers slide in contact with the inner wall of the drying cylinder. When the inclined rods rotate, they drive the scrapers to rotate through the support rods, scraping and cleaning the upper inner wall of the drying cylinder, so as to prevent sodium trichloroisocyanurate powder from adhering to the inner wall of the drying cylinder when it is added, and to ensure the drying effect.

[0010] Preferably, it also includes multiple cleaning plates. Multiple cleaning plates are axially and evenly connected to the bottom of the annular dispersing plate, and the cleaning plates slide in contact with the upper surface of the annular heating plate. When the annular dispersing plate rotates, it drives the multiple cleaning plates to rotate, which pushes the sodium trichloroisocyanurate powder on the upper surface of the annular heating plate, ensuring the fluidity of the sodium trichloroisocyanurate powder and improving the drying effect.

[0011] Compared with the prior art, the beneficial effects of this utility model are as follows: the base supports the drying cylinder to ensure stability during use; the feeding component evenly feeds sodium trichloroisocyanurate powder into the drying cylinder; the drying component heats and dries the inside of the drying cylinder; the lifting component conveys the lower sodium trichloroisocyanurate powder upwards; and the dispersing component evenly disperses the sodium trichloroisocyanurate powder, ensuring full contact between the sodium trichloroisocyanurate powder and the heat source, so that the material is completely dried, avoiding adhesion and improving drying efficiency. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the structure of this utility model;

[0013] Figure 2 This is a three-dimensional structural diagram of the rear of this utility model;

[0014] Figure 3This is a partial cross-sectional structural schematic diagram of the present invention;

[0015] Figure 4 This is a schematic diagram of the internal structure of this utility model;

[0016] Figure 5 This is a cross-sectional structural schematic diagram of the present invention;

[0017] The following are labels in the attached diagram: 1. Drying cylinder; 2. Base; 3. Discharge pipe; 4. Feed pipe; 5. Feed pipe; 6. Feed cylinder; 7. Feed hopper; 8. Feed shaft; 9. Gear motor; 10. Feed screw conveyor blade; 11. Lifting cylinder; 12. Lifting shaft; 13. Gearbox; 14. Drive motor; 15. Lifting screw conveyor blade; 16. Arc-shaped heating plate; 17. Insulation layer; 18. Annular heating plate; 19. Turntable; 20. Gear; 21. Rotary ring; 22. Inclined rod; 23. Annular dispersion plate; 24. Hanging rod; 25. Scraper; 26. Support rod; 27. Cleaning plate. Detailed Implementation

[0018] To facilitate understanding of this utility model, a more complete description will be given below with reference to the accompanying drawings. This utility model can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to make the disclosure of this utility model more thorough and complete.

[0019] Example 1

[0020] like Figure 1 , Figure 2 , Figure 3 and Figure 5As shown, a base 2 is fixedly connected to the bottom of the drying cylinder 1. A discharge pipe 3 is connected to the right side of the bottom of the drying cylinder 1. A discharge valve is installed on the discharge pipe 3. A discharge pipe 4 is connected to the output end of the discharge pipe 3. Two feed pipes 5 are fixedly connected to the left and right sides of the top of the drying cylinder 1. A feed cylinder 6 is connected to the top of the feed pipes 5. Multiple discharge holes are opened on the feed cylinder 6 at the position communicating with the input end of the feed pipes 5. A feeding hopper 7 is connected to the middle of the top of the feed cylinder 6. A feed shaft 8 is rotatably installed in the middle of the feed cylinder 6. The input end of the feed cylinder 6 on the left side is connected to the output end of the geared motor 9. The geared motor 9 is installed on the right side wall of the feed cylinder 6. Feed screw conveyor blades 10 are symmetrically installed on the left and right sides of the feed shaft 8. The feed screw conveyor blades 10 are in contact with the inner wall of the feed cylinder 6. A heating chamber is opened in the middle of the side wall of the drying cylinder 1. Multiple arc-shaped electric heating plates 16 are installed inside the heating chamber, and multiple annular electric heating plates 18 are arranged vertically on the inner wall of the drying cylinder 1. The annular electric heating plates 18 are inclined downward in the middle and the upper surface of the annular electric heating plates 18 is set as a smooth surface. The heat insulation layer 17 is installed on the outside of the heating chamber of the drying cylinder 1. The lifting cylinder 11 is installed at the bottom of the drying cylinder 1. Multiple feeding grooves are opened at the bottom of the lifting cylinder 11. The lifting shaft 12 is rotatably installed inside the lifting cylinder 11. The bottom input end of the lifting shaft 12 passes through the bottom of the drying cylinder 1 and is connected to the output end of the gearbox 13. The gearbox 13 is installed at the bottom of the drying cylinder 1. The input end of the gearbox 13 is connected to the output end of the drive motor 14. Lifting spiral conveying blades 15 are installed on the outer wall of the lifting cylinder 11. The lifting spiral conveying blades 15 are located inside the lifting cylinder 11.

[0021] The drying cylinder 1 is supported by the base 2 to ensure stability during use. Sodium trichloroisocyanurate powder is added into the feeding hopper 7. The reduction motor 9 is started, which drives the feeding screw conveyor 10 to rotate via the feeding shaft 8. The feeding screw conveyor 10 pushes the sodium trichloroisocyanurate powder to both sides inside the feeding cylinder 6, and inputs it into the drying cylinder 1 through the discharge hole and two feeding pipes 5. The sodium trichloroisocyanurate powder is added to the drying cylinder 1 gradually to avoid adding too much at once, which would affect the drying quality. Multiple arc-shaped electric heating plates 16 are activated to raise the temperature inside the drying cylinder 1. After the sodium trichloroisocyanurate powder is added into the drying cylinder 1, it falls into the annular ring. The upper surface of the heating plate 18 is heated by flowing water, ensuring full contact between the sodium trichloroisocyanurate powder and the heat source, so that the material is completely dried and the drying quality is improved. The insulation layer 17 can keep the heating chamber warm and reduce energy waste. After the sodium trichloroisocyanurate powder falls to the bottom of the drying cylinder 1, it enters the bottom of the lifting cylinder 11 through the feeding chute. The drive motor 14 is started and drives the lifting shaft 12 to rotate through the gearbox 13. The lifting shaft 12 drives the lifting spiral conveyor blades 15 to rotate, and the sodium trichloroisocyanurate powder in the lower part is conveyed upward, so that the sodium trichloroisocyanurate powder is circulated and heated, improving the drying quality.

[0022] Example 2

[0023] like Figure 4 and Figure 5 As shown, based on Embodiment 1, the drying cylinder 1 also includes an extension platform at the top of its interior, a turntable 19 rotatably mounted at the bottom of the extension platform, a rotating ring 21 connected to the bottom of the turntable 19, teeth on the inner wall of the rotating ring 21, a gear 20 mounted on the top of the lifting shaft 12, the gear 20 meshing with the teeth, multiple inclined rods 22 evenly mounted axially at the bottom of the rotating ring 21, annular dispersing plates 23 connected to the bottom of the inclined rods 22, multiple hanging rods 24 evenly mounted axially at the bottom of the annular dispersing plates 23, the hanging rods 24 connecting the multiple annular dispersing plates 23, the multiple annular dispersing plates 23 and multiple annular heating plates 18 alternately arranged, and the outer edge of the annular dispersing plates 23 inclined downwards, multiple support rods 26 evenly mounted on the multiple inclined rods 22, a scraper 25 fixedly mounted on the other end of the support rod 26, the scraper 25 slidingly contacting the inner wall of the drying cylinder 1, and multiple cleaning plates 27 evenly connected axially at the bottom of the annular dispersing plates 23, the cleaning plates 27 slidingly contacting the upper surface of the annular heating plates 18;

[0024] Sodium trichloroisocyanurate powder, conveyed by the lifting screw conveyor blades 15, falls onto the surface of the upper annular dispersing plate 23. When the lifting shaft 12 rotates, it drives the turntable 19 and the rotating ring 21 to rotate via the gear 20. The rotating ring 21 drives the annular dispersing plate 23 to rotate via multiple inclined rods 22, spreading the sodium trichloroisocyanurate powder. Through the cooperation of multiple annular dispersing plates 23, the sodium trichloroisocyanurate powder moves alternately on multiple annular electric heating plates 18, improving the drying quality of the sodium trichloroisocyanurate powder. When the inclined rods 22 rotate, they drive the scraper 25 to rotate via the support rods 26, scraping and cleaning the upper inner wall of the drying cylinder 1 to prevent the sodium trichloroisocyanurate powder from adhering to the inner wall of the drying cylinder 1 when it is added, thus ensuring the drying effect. When the annular dispersing plate 23 rotates, it drives multiple cleaning plates 27 to rotate, pushing the sodium trichloroisocyanurate powder on the upper surface of the annular electric heating plate 18, ensuring the fluidity of the sodium trichloroisocyanurate powder and improving the drying effect.

[0025] like Figures 1 to 5As shown, this utility model discloses a sodium trichloroisocyanurate powder drying device. During operation, the base 2 supports the drying cylinder 1. Sodium trichloroisocyanurate powder is added into the feeding hopper 7. The reduction motor 9 is started, driving the feeding screw conveyor 10 to rotate via the feeding shaft 8. The feeding screw conveyor 10 pushes the sodium trichloroisocyanurate powder to both sides within the feeding cylinder 6, feeding it into the drying cylinder 1 through the discharge hole and two feeding pipes 5. The sodium trichloroisocyanurate powder is gradually added to the drying cylinder. Inside the drying cylinder 1, multiple arc-shaped heating plates 16 are activated to raise the temperature inside the drying cylinder 1. Sodium trichloroisocyanurate powder is added into the drying cylinder 1 and falls onto the upper surface of the annular heating plate 18, where it undergoes flow heating. After falling to the bottom of the drying cylinder 1, the sodium trichloroisocyanurate powder enters the bottom of the lifting cylinder 11 through the feed chute. The drive motor 14 is activated, which drives the lifting shaft 12 to rotate via the gearbox 13. The lifting shaft 12 drives the lifting spiral conveyor blades 15 to rotate, passing through the lower part of the sodium trichloroisocyanurate powder. Sodium isocyanurate powder is conveyed upwards, causing it to circulate and heat. The powder, conveyed by the lifting screw conveyor blades 15, falls onto the surface of the upper annular dispersion plate 23. When the lifting shaft 12 rotates, it drives the turntable 19 and the rotating ring 21 to rotate via the gear 20. The rotating ring 21, through multiple inclined rods 22, drives the annular dispersion plate 23 to rotate, thus distributing the sodium isocyanurate powder. Through the cooperation of multiple annular dispersion plates 23, the sodium isocyanurate powder is dispersed across multiple annular rings. The heating plate 18 moves alternately. When the inclined rod 22 rotates, it drives the scraper 25 to rotate through the support rod 26, scraping and cleaning the inner wall of the upper side of the drying cylinder 1. At the same time, when the annular dispersion plate 23 rotates, it drives multiple cleaning plates 27 to rotate, pushing the sodium trichloroisocyanurate powder on the upper surface of the annular heating plate 18 to ensure the fluidity of the sodium trichloroisocyanurate powder. After the sodium trichloroisocyanurate powder is dried, the discharge valve is opened, and the sodium trichloroisocyanurate powder is discharged through the discharge pipe 3 and the discharge pipe 4.

[0026] The geared motor 9, gearbox 13, drive motor 14, arc-shaped heating plate 16, and ring-shaped heating plate 18 of the sodium trichloroisocyanurate powder drying device of this utility model are commercially available. Technical personnel in this industry only need to install and operate them according to the accompanying instruction manual, without requiring any creative work from those skilled in the art.

[0027] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the technical principles of the present utility model, and these improvements and modifications should also be considered within the protection scope of the present utility model.

Claims

1. A drying device for sodium trichloroisocyanurate powder, characterized in that, It includes a drying cylinder (1), a base (2), a discharge pipe (3), a discharge pipe (4), a feeding component, a drying component, a lifting component, and a dispersing component. The base (2) is fixedly connected to the bottom of the drying cylinder (1). The discharge pipe (3) is connected to the right side of the bottom of the drying cylinder (1). A discharge valve is installed on the discharge pipe (3). The discharge pipe (4) is connected to the bottom output end of the discharge pipe (3). A feeding component is installed on the top of the drying cylinder (1). A drying component is installed on the side wall of the drying cylinder (1). A lifting component is installed at the bottom of the middle part of the drying cylinder (1). A dispersing component is installed on the upper side inside the drying cylinder (1).

2. The sodium trichloroisocyanurate powder drying apparatus as described in claim 1, characterized in that, The feeding assembly includes two feed pipes (5), a feed cylinder (6), a feeding hopper (7), a feed shaft (8), a geared motor (9), and two feed screw conveyors (10). The two feed pipes (5) are fixedly connected to the top left and right sides of the drying cylinder (1). The top of the feed pipes (5) is connected to the feed cylinder (6). Multiple discharge holes are opened on the feed cylinder (6) at the position connected to the input end of the feed pipes (5). The feed hopper (7) is connected to the middle of the top of the feed cylinder (6). The feed shaft (8) is rotatably installed in the middle of the feed cylinder (6). The left input end of the feed cylinder (6) is connected to the output end of the geared motor (9). The geared motor (9) is installed on the right side wall of the feed cylinder (6). Feed screw conveyors (10) are symmetrically installed on the left and right sides of the feed shaft (8). The feed screw conveyors (10) are in contact with the inner wall of the feed cylinder (6).

3. The sodium trichloroisocyanurate powder drying apparatus as described in claim 1, characterized in that, The drying assembly includes multiple arc-shaped heating plates (16), a heat insulation layer (17), and multiple annular heating plates (18). A heating chamber is provided in the middle of the side wall of the drying cylinder (1). Multiple arc-shaped heating plates (16) are installed inside the heating chamber. Multiple annular heating plates (18) are arranged vertically on the inner wall of the drying cylinder (1). The middle of the annular heating plate (18) is inclined downward, and the upper surface of the annular heating plate (18) is set as a smooth surface. The heat insulation layer (17) is installed on the outside of the heating chamber of the drying cylinder (1).

4. The sodium trichloroisocyanurate powder drying apparatus as described in claim 1, characterized in that, The lifting assembly includes a lifting cylinder (11), a lifting shaft (12), a gearbox (13), a drive motor (14), and lifting spiral conveying blades (15). The lifting cylinder (11) is installed at the bottom inside the drying cylinder (1). Multiple feed slots are provided at the bottom of the lifting cylinder (11). The lifting shaft (12) is rotatably installed inside the lifting cylinder (11). The bottom input end of the lifting shaft (12) passes through the bottom of the drying cylinder (1) and is connected to the output end of the gearbox (13). The gearbox (13) is installed at the bottom of the drying cylinder (1). The input end of the gearbox (13) is connected to the output end of the drive motor (14). Lifting spiral conveying blades (15) are installed on the outer wall of the lifting cylinder (11). The lifting spiral conveying blades (15) are located inside the lifting cylinder (11).

5. The sodium trichloroisocyanurate powder drying apparatus as described in claim 4, characterized in that, The dispersion assembly includes a turntable (19), a gear (20), a rotating ring (21), multiple inclined rods (22), multiple annular dispersion plates (23), and multiple sets of hanging rods (24). An extension platform is provided at the top of the inside of the drying cylinder (1). The turntable (19) is rotatably installed at the bottom of the inside of the extension platform. The bottom of the turntable (19) is connected to the rotating ring (21). The inner wall of the rotating ring (21) is provided with teeth. The top of the lifting shaft (12) is equipped with a gear (20). The gear (20) meshes with the teeth. Multiple inclined rods (22) are axially and evenly installed at the bottom of the rotating ring (21). The bottom of the inclined rods (22) is connected to the annular dispersion plates (23). Multiple hanging rods (24) are axially and evenly installed at the bottom of the annular dispersion plates (23). The hanging rods (24) connect the multiple annular dispersion plates (23). The multiple annular dispersion plates (23) and multiple annular electric heating plates (18) are alternately arranged, and the outer edge of the annular dispersion plates (23) is inclined downward.

6. The sodium trichloroisocyanurate powder drying apparatus as described in claim 5, characterized in that, It also includes multiple scrapers (25) and multiple support rods (26). Multiple support rods (26) are evenly installed on multiple inclined rods (22). The other end of the support rod (26) is fixedly installed with a scraper (25). The scraper (25) slides in contact with the inner wall of the drying cylinder (1).

7. The sodium trichloroisocyanurate powder drying apparatus as described in claim 5, characterized in that, It also includes multiple cleaning plates (27), and multiple cleaning plates (27) are axially and uniformly connected to the bottom of the annular dispersion plate (23). The cleaning plates (27) slide in contact with the upper surface of the annular electric heating plate (18).

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