Drying device for fertilizer production

Abstract

The utility model provides a drying device for fertilizer production, which comprises a drying cylinder with a drying cavity, a heating plate is arranged in the drying cylinder, a cover body is arranged on the drying cylinder, a mounting frame is arranged on one side, close to the drying cavity, of the cover body, a movable seat is arranged on the mounting frame, and a driving motor is further arranged on the cover body. The output end of the driving motor is provided with a first connecting rod, the end, away from the driving motor, of the first connecting rod is rotationally connected with a second connecting rod, the end, away from the first connecting rod, of the second connecting rod is rotationally connected with the movable base, and the movable base is further provided with a rotatable stirring shaft which extends into the drying cavity and is provided with stirring blades. A first gear is fixedly connected to one end, rotationally connected with the movable seat, of the second connecting rod, and a second gear is arranged at one end of the stirring shaft and engaged with the first gear. The utility model solves the technical problem of non-uniform drying caused by accumulation of fertilizer particles, and has the technical effects of improving the drying uniformity and efficiency of the fertilizer and improving the quality of fertilizer products.

Description

Technical Field

[0001] This utility model relates to the field of fertilizer production technology, and in particular to a drying device for fertilizer production. Background Technology

[0002] Fertilizer refers to substances that provide nutrients needed for crop growth and development, improve soil properties, and increase crop yield and quality. The fertilizer production process mainly includes steps such as crushing, granulation, drying, screening, cooling, and packaging. Among these, drying involves heating the granulated fertilizer to form dry solid particles, which facilitates further processing, storage, and transportation.

[0003] Existing fertilizer dryers typically use a stirring shaft and stirring blades mounted on the shaft to stir fertilizer granules during the drying process. However, since the stirring blades can only stir fertilizer granules in a fixed direction during the rotation of the stirring shaft, some fertilizer granules accumulate in the container and cannot come into contact with the stirring blades, resulting in uneven drying of the fertilizer. This increases the drying time and affects the quality of the fertilizer. Utility Model Content

[0004] To address the shortcomings of existing technologies, this utility model provides a drying device for fertilizer production, which solves the problem of uneven drying caused by fertilizer particle accumulation in existing technologies.

[0005] According to an embodiment of this utility model, a drying device for fertilizer production includes a drying cylinder with a drying chamber. A heating plate is provided inside the drying cylinder and surrounds the drying chamber. A cover covering the opening of the drying chamber is provided on the drying cylinder. A mounting frame is provided on the side of the cover near the drying chamber, and a movable seat is provided on the mounting frame. A drive motor is also provided on the cover. A first connecting rod is provided at the output end of the drive motor, and a second connecting rod is rotatably connected to the end of the first connecting rod away from the drive motor. The end of the second connecting rod away from the first connecting rod is rotatably connected to the movable seat. A rotatable stirring shaft is also provided on the movable seat. The stirring shaft extends into the drying chamber and has stirring blades. A first gear is fixedly connected to the end of the second connecting rod rotatably connected to the movable seat. A second gear is provided at one end of the stirring shaft, and the second gear meshes with the first gear.

[0006] Furthermore, the mounting bracket is provided with a dovetail groove, the length direction of which is consistent with the moving direction of the movable seat, and the movable seat is provided with a protrusion that cooperates with the dovetail groove.

[0007] Furthermore, the movable seat is also provided with a mounting base, and the mounting base is provided with a mounting hole that mates with the stirring shaft.

[0008] Furthermore, the mounting base is provided with an air inlet that communicates with the mounting hole, and the drying cylinder is provided with a hot air blower that communicates with the air inlet. The stirring shaft is provided with an air guide pipe. The portion of the stirring shaft located inside the mounting hole is provided with an air passage that communicates with the air inlet and the air guide pipe. The portion of the stirring shaft that extends into the drying chamber is provided with an exhaust port that communicates with the air guide pipe.

[0009] Furthermore, the drying cylinder is provided with a through hole communicating with the hot air blower, and the drying chamber is provided with a telescopic corrugated pipe with both ends of the telescopic corrugated pipe communicating with the through hole and the air inlet hole respectively.

[0010] Furthermore, a plurality of sleeves are provided at intervals along the axial direction of the stirring shaft, the sleeves are staggered with the vent holes, and a plurality of stirring blades are provided at intervals along the circumference of the stirring shaft on the sleeves.

[0011] Furthermore, the top of the drying cylinder is provided with a support portion, and the support portion is provided with a plurality of threaded holes spaced apart. The cover body fits into the support portion and the cover body is provided with through holes that are aligned one by one with the threaded holes.

[0012] Furthermore, the cover is provided with a through inlet and a feed hopper communicating with the inlet, and the inlet is connected to the drying chamber.

[0013] Furthermore, the bottom of the drying cylinder is provided with a discharge pipe that communicates with the drying chamber, and the discharge pipe is provided with a discharge valve.

[0014] Furthermore, the bottom of the drying chamber has a guide surface, which surrounds the discharge pipe and the height of the guide surface gradually decreases along the direction close to the discharge pipe.

[0015] Compared with existing technologies, this utility model has the following beneficial effects: By using a drying cylinder with a drying chamber to accommodate the fertilizer to be dried, the fertilizer is dried by turning on the heating plate after it is placed in the drying chamber. During the drying process, the drive motor drives the first connecting rod to rotate, which in turn causes the second connecting rod to move the movable seat back and forth on the mounting frame. As the second connecting rod rotates relative to the movable seat, the power output by the drive motor is transmitted to the stirring shaft through the meshing of the first and second gears, causing the stirring shaft to rotate on the movable seat. This drives the stirring blades to move in the drying chamber and stir the fertilizer. While the stirring blades rotate around the axial direction of the stirring shaft, the stirring shaft and stirring blades move back and forth in the stirring chamber with the movement of the movable seat, changing the direction of stirring of the fertilizer by the stirring blades in real time. This ensures that the stirring blades can fully act on the fertilizer in the stirring chamber and stir the fertilizer. This solves the technical problem of uneven drying caused by fertilizer particle accumulation, and produces the technical effects of improving the uniformity and efficiency of fertilizer drying and improving the quality of fertilizer products. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of a drying device for fertilizer production according to an embodiment of the present invention;

[0017] Figure 2 This is a cross-sectional view of a drying apparatus for fertilizer production according to an embodiment of the present invention;

[0018] Figure 3 for Figure 2 Enlarged view of point A in the middle;

[0019] Figure 4 This is a partial structural schematic diagram of a drying device for fertilizer production according to an embodiment of the present invention.

[0020] In the above attached figures: 1. Drying cylinder; 11. Drying chamber; 12. Heating plate; 13. Support part; 14. Threaded hole; 15. Discharge pipe; 16. Discharge valve; 17. Guide surface; 2. Cover; 21. Drive motor; 22. First connecting rod; 23. Second connecting rod; 24. First gear; 25. Through hole; 26. Feed hopper; 3. Mounting frame; 31. Dovetail groove; 4. Movable seat; 41. Protrusion; 42. Mounting seat; 43. Air inlet; 5. Stirring shaft; 51. Stirring blade; 52. Second gear; 53. Air guide pipe; 54. Air passage hole; 55. Exhaust hole; 56. Sleeve; 6. Telescopic corrugated pipe. Detailed Implementation

[0021] The technical solution of this utility model will be further described below with reference to the accompanying drawings and embodiments.

[0022] like Figures 1 to 4As shown in the figure, this utility model embodiment proposes a drying device for fertilizer production, which is used to dry granulated fertilizer to form dry solid granules.

[0023] Please refer to Figure 1 , Figure 2 and Figure 4 The fertilizer production drying device includes a drying cylinder 1 with a drying chamber 11. A heating plate 12 is provided inside the drying cylinder 1 and surrounds the drying chamber 11. The fertilizer to be dried is placed inside the drying chamber 11, and after the fertilizer is placed in the drying chamber 11, the heating plate 12 is turned on to heat the drying chamber 11, thus drying the fertilizer. The drying cylinder 1 is provided with a cover 2 covering the opening of the drying chamber 11. A mounting bracket 3 is provided on the side of the cover 2 near the drying chamber 11, and a movable seat 4 is provided on the mounting bracket 3. A drive motor 21 is also provided on the cover 2. The output end of the drive motor 21 is provided with a first connecting rod 22, and a second connecting rod 23 is rotatably connected to the end of the first connecting rod 22 away from the drive motor 21. The end of the second connecting rod 23 away from the first connecting rod 22 is rotatably connected to the movable seat 4. When the first connecting rod 22 rotates under the drive motor 21, it drives the drying cylinder 1. The second connecting rod 23 drives the movable seat 4 to reciprocate on the mounting frame 3. The movable seat 4 is also provided with a rotatable stirring shaft 5, which extends into the drying chamber 11 and is provided with stirring blades 51. One end of the second connecting rod 23, which is rotatably connected to the movable seat 4, is fixedly connected to a first gear 24. One end of the stirring shaft 5 is provided with a second gear 52, which meshes with the first gear 24. When the second connecting rod 23 rotates relative to the movable seat 4 under the drive of the first connecting rod 22, the power output by the drive motor 21 can be transmitted to the stirring shaft 5 through the cooperation of the first gear 24 and the second gear 52. This causes the stirring shaft 5 to rotate synchronously during the reciprocating movement of the movable seat 4, thereby driving the stirring blades 51 to rotate around the stirring shaft 5 in the stirring chamber while reciprocating, so that the direction of the stirring blades 51 stirring the fertilizer in the stirring chamber changes in real time.

[0024] Specifically, the operation steps for drying fertilizer using the fertilizer production drying device provided in this embodiment are as follows: The fertilizer to be dried is placed in the drying chamber 11, and the heating plate 12 is turned on to heat the drying chamber 11. Then, the drive motor 21 is turned on. When the first connecting rod 22 rotates under the drive of the drive motor 21, it drives the second connecting rod 23 to move the movable seat 4 back and forth on the mounting frame 3. During the rotation of the second connecting rod 23 relative to the movable seat 4, the power output by the drive motor 21 is transmitted to the first gear 24 and the second gear 52 through meshing. The stirring shaft 5 rotates on the movable seat 4, thereby driving the stirring blades 51 to rotate around the stirring shaft 5 within the drying chamber 11 and agitate the fertilizer within the drying chamber 11. Simultaneously, as the stirring blades 51 rotate, the stirring shaft 5 and the stirring blades 51 reciprocate within the stirring chamber along with the movement of the movable seat 4, constantly changing the direction of the stirring blades 51 in agitating the fertilizer. This ensures that the stirring blades 51 can fully act on the fertilizer and agitate it, preventing fertilizer accumulation within the stirring chamber and ensuring uniform heating of the fertilizer during the drying process. The fertilizer drying device provided in this embodiment can improve the uniformity and efficiency of fertilizer drying, and enhance the quality of the fertilizer product.

[0025] like Figure 3 and Figure 4 As shown, the mounting bracket 3 is provided with a dovetail groove 31. The length direction of the dovetail groove 31 is consistent with the moving direction of the movable seat 4, and the movable seat 4 is provided with a protrusion 41 that cooperates with the dovetail groove 31. The movable seat 4 is installed on the mounting bracket 3 through the cooperation of the protrusion 41 and the dovetail groove 31, ensuring reliable cooperation between the movable seat 4 and the mounting bracket 3. During the reciprocating movement of the movable seat 4 on the mounting bracket 3, the protrusion 41 slides back and forth in the dovetail groove 31, thereby preventing the movable seat 4 from deviating from the preset direction when moving.

[0026] In detail, the movable seat 4 is also provided with a mounting seat 42, and the mounting seat 42 has a mounting hole that mates with the stirring shaft 5. The mounting seat 42 on the movable seat 4, with the mounting hole for mounting the stirring shaft 5, helps improve the stability of the stirring shaft 5 on the movable seat 4 and prevents the stirring shaft 5 from disengaging from the mounting seat 42 when rotating.

[0027] Please combine Figure 2 and Figure 3The mounting base 42 is provided with an air inlet 43 communicating with the mounting hole, and the drying cylinder 1 is provided with a hot air blower communicating with the air inlet 43. The stirring shaft 5 is provided with a guide pipe 53. The part of the stirring shaft 5 located in the mounting hole is provided with an air passage 54 communicating with the air inlet 43 and the guide pipe 53. The part of the stirring shaft 5 extending into the drying chamber 11 is provided with an exhaust hole 55 communicating with the guide pipe 53. The hot air blower is configured to input hot air into the air inlet 43. When the air passage 54 communicates with the air inlet 43 during the rotation of the stirring shaft 5, the hot air can enter the guide pipe 53, and the hot air is distributed along the guide pipe 53 to each of the exhaust holes 55 and blown into the drying chamber 11. This can accelerate the drying of fertilizer around the stirring shaft 5, so as to quickly dry the fertilizer located in the middle of the stirring chamber and away from the heating plate 12, thereby further improving the drying efficiency of the drying device for fertilizer production.

[0028] In this embodiment, the drying cylinder 1 is provided with a through hole communicating with the hot air blower, and the drying chamber 11 is provided with a telescopic corrugated pipe 6, with both ends of the telescopic corrugated pipe 6 communicating with the through hole and the air inlet 43, respectively. The hot air blown out by the hot air blower enters the air inlet 43 through the telescopic corrugated pipe 6, and as the movable seat 4 reciprocates on the mounting frame 3, the corrugated telescopic pipe extends or shortens with the movement of the movable seat 4, ensuring that the hot air blown out by the hot air blower is stably input into the air inlet 43.

[0029] like Figure 2 and Figure 4 As shown, a plurality of sleeves 56 are spaced apart along the axial direction of the stirring shaft 5. The sleeves 56 are staggered with the exhaust holes 55, and a plurality of stirring blades 51 are spaced apart along the circumference of the stirring shaft 5 on each sleeve 56. By arranging a plurality of sleeves 56 spaced apart along the axial direction of the stirring shaft 5 and providing a plurality of stirring blades 51 on each sleeve 56, the stirring blades 51 can agitate the fertilizer located at different depths in the drying chamber 11 when the stirring shaft 5 rotates, which is beneficial for the fertilizer in the drying chamber 11 to be heated evenly.

[0030] Please refer to Figure 1 and Figure 2The top of the drying cylinder 1 is provided with a support portion 13, and the support portion 13 is provided with a plurality of threaded holes 14 spaced apart. The cover 2 fits against the support portion 13 and is provided with through holes 25 that are aligned one-to-one with the threaded holes 14. The cover 2 is placed on the support portion 13, and bolts or other connecting parts are used to pass through the through holes 25 and engage with the threaded holes 14 to fix the cover 2 to the drying cylinder 1, ensuring a secure connection between the cover 2 and the drying cylinder 1, and facilitating the removal of the cover 2 from the drying cylinder 1 for cleaning or maintenance of the interior of the fertilizer production drying device.

[0031] Specifically, the cover 2 is provided with a through inlet and a feed hopper 26 communicating with the inlet, and the inlet is connected to the drying chamber 11. After the fertilizer to be dried is poured into the feed hopper 26, it passes through the inlet and enters the drying chamber 11 under the guidance of the feed hopper 26, thereby facilitating the drying of the fertilizer in the drying chamber 11.

[0032] like Figure 2 As shown, the bottom of the drying cylinder 1 is provided with a discharge pipe 15 communicating with the drying chamber 11, and a discharge valve 16 is provided on the discharge pipe 15. The dried fertilizer is discharged from the drying cylinder 1 through the discharge pipe 15, and the discharge valve 16 is used to control the opening or closing of the discharge pipe 15. During the fertilizer drying process, the discharge valve 16 is closed to keep the fertilizer in the drying chamber 11. After the fertilizer is dried, the discharge valve 16 is opened to remove the fertilizer from the drying chamber 11.

[0033] In detail, the bottom of the drying chamber 11 has a guide surface 17, which surrounds the discharge pipe 15 and the height of the guide surface 17 gradually decreases along the direction close to the discharge pipe 15. The guide surface 17 is used to guide the fertilizer in the drying chamber 11 to move towards the discharge pipe 15, reducing the amount of fertilizer remaining in the drying chamber 11 when it is removed from the drying chamber 11, thus facilitating the use of the drying device for fertilizer production.

[0034] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model and are not intended to limit it. Although this utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solutions of this utility model without departing from the spirit and scope of the technical solutions of this utility model, and all such modifications or substitutions should be covered within the scope of the claims of this utility model.

Claims

1. A drying device for fertilizer production, comprising a drying cylinder having a drying chamber, wherein a heating plate is disposed inside the drying cylinder and the heating plate is arranged around the drying chamber, characterized in that: The drying cylinder is provided with a cover covering the opening of the drying chamber. The side of the cover near the drying chamber is provided with a mounting bracket, and the mounting bracket is provided with a movable seat. The cover is also provided with a drive motor. The output end of the drive motor is provided with a first connecting rod, and the end of the first connecting rod away from the drive motor is rotatably connected to a second connecting rod. The end of the second connecting rod away from the first connecting rod is rotatably connected to the movable seat. The movable seat is also provided with a rotatable stirring shaft. The stirring shaft extends into the drying chamber and is provided with stirring blades. The end of the second connecting rod rotatably connected to the movable seat is fixedly connected to a first gear. One end of the stirring shaft is provided with a second gear, and the second gear meshes with the first gear.

2. The drying device for fertilizer production as described in claim 1, characterized in that: The mounting bracket is provided with a dovetail groove, the length direction of which is consistent with the moving direction of the movable seat, and the movable seat is provided with a protrusion that cooperates with the dovetail groove.

3. The drying device for fertilizer production as described in claim 1, characterized in that: The movable seat is also provided with a mounting base, and the mounting base is provided with mounting holes that cooperate with the stirring shaft.

4. The drying device for fertilizer production as described in claim 3, characterized in that: The mounting base is provided with an air inlet that communicates with the mounting hole, and the drying cylinder is provided with a hot air blower that communicates with the air inlet. The stirring shaft is provided with an air guide pipe. The part of the stirring shaft located in the mounting hole is provided with an air passage that communicates with the air inlet and the air guide pipe. The part of the stirring shaft that extends into the drying chamber is provided with an exhaust hole that communicates with the air guide pipe.

5. A drying apparatus for fertilizer production as described in claim 4, characterized in that: The drying cylinder is provided with a through hole that communicates with the hot air blower, and the drying chamber is provided with a telescopic corrugated pipe with both ends of the telescopic corrugated pipe communicating with the through hole and the air inlet, respectively.

6. A drying apparatus for fertilizer production as described in claim 4, characterized in that: Multiple sleeves are spaced apart along the axial direction of the stirring shaft, and the sleeves are staggered with the vent holes. Multiple stirring blades are spaced apart along the circumferential direction of the stirring shaft on the sleeves.

7. A drying apparatus for fertilizer production as described in claim 1, characterized in that: The top of the drying cylinder is provided with a support part, and the support part is provided with a plurality of threaded holes spaced apart. The cover is fitted with the support part and the cover is provided with through holes that are aligned with the threaded holes one by one.

8. A drying apparatus for fertilizer production as described in claim 1, characterized in that: The cover is provided with a through-feed inlet and a feed hopper connected to the feed inlet, and the feed inlet is connected to the drying chamber.

9. A drying apparatus for fertilizer production as described in claim 1, characterized in that: The bottom of the drying cylinder is provided with a discharge pipe that communicates with the drying chamber, and the discharge pipe is provided with a discharge valve.

10. A drying apparatus for fertilizer production as described in claim 9, characterized in that: The bottom of the drying chamber has a guide surface, which surrounds the discharge pipe and the height of the guide surface gradually decreases along the direction close to the discharge pipe.

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