Drying device for potassium sulfate granular fertilizer production

Abstract

The utility model relates to the technical field of drying devices for granular fertilizer production, in particular to a drying device for potassium sulfate granular fertilizer production, which comprises a machine body, a feeding seat, a discharging seat, a first servo motor and a second servo motor, the feeding seat is arranged at the upper end of the machine body, and the discharging seat is arranged at the bottom end of the machine body. A second servo motor is arranged in the middle of the upper end of the machine body, a drying structure is arranged in the machine body, a pre-crushing structure is arranged in the machine body, the drying structure comprises an air inlet pipe, the air inlet pipe is connected into a jacket arranged in the machine body, and a filter frame is arranged on the inner wall of the machine body. According to the drying device for potassium sulfate granular fertilizer production, lifting adjustment stirring can be carried out in the drying process, granular fertilizers at different positions are stirred, the contact heating air area of the granular fertilizers is larger, the drying is more uniform, the effect is better, and the practicability and the drying effect of the device are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of drying devices for producing granular fertilizers, in particular to a drying device for producing potassium sulfate granular fertilizers. Background Art

[0002] Pure potassium sulfate is a colorless crystal, and agricultural potassium sulfate is mostly light yellow in appearance. Potassium sulfate has low hygroscopicity, is not easy to clump, has good physical properties, is easy to apply, and is a very good water-soluble potassium fertilizer. Potassium sulfate is particularly suitable for economic crops that are sensitive to chlorine and prefer potassium.

[0003] For example, an efficient fertilizer particle drying device authorized by a Chinese utility patent with announcement number CN209197412U includes a drying box and a filter box, wherein the filter box is fixedly connected at the bottom of the drying box, feed ports are provided at both sides of the top of the drying box, a drying cylinder is provided inside the drying box, both sides of the drying cylinder are fixedly connected to the inner wall of the drying box through brackets, a first motor is fixedly connected at the center of the top of the drying box, the bottom of the first motor is connected to a connecting rod, the connecting rod passes through the drying box and is located at the center of the drying cylinder, a number of heating tubes are staggeredly arranged on the connecting rod, a cylinder is provided inside the filter box, the bottom of the cylinder is fixedly connected to the bottom of the filter box through a support rod, and a screw is provided inside the cylinder.

[0004] When the existing drying device for producing potassium sulfate granular fertilizer dries the granular fertilizer, hot air is usually used to heat and dry it, and a stirring rod is used to rotate to increase the drying area. However, the stirring rod cannot be moved and stirred, resulting in that all the granular fertilizers cannot be heated evenly, and the granular fertilizers are easily aggregated when injected, resulting in poor heating and drying effects. Therefore, a drying device for producing potassium sulfate granular fertilizer is urgently needed to solve the above problems. Utility Model Content

[0005] The utility model aims to provide a drying device for producing potassium sulfate granular fertilizer, so as to solve the problem that the existing drying device for producing potassium sulfate granular fertilizer proposed in the above background technology usually uses hot air to heat and dry the granular fertilizer, and uses a stirring rod to rotate to increase the drying area, but the stirring rod cannot be moved and stirred, resulting in that all granular fertilizers cannot be heated evenly, and the granular fertilizers are easily aggregated when injected, resulting in poor heating and drying effect.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a drying device for producing potassium sulfate granular fertilizer, comprising: a body, a feed seat, a discharge seat, a first servo motor and a second servo motor, the upper end of the body is provided with a feed seat, the bottom end of the body is provided with a discharge seat, the middle part of the upper end of the body is provided with a second servo motor, a drying structure is provided inside the body, a pre-crushing structure is provided inside the body, the drying structure comprises an air inlet pipe, the air inlet pipe is connected to a jacket provided inside the body, a filter frame is provided on the inner wall of the body, a filter frame is installed on the inner wall of the body, an electric telescopic rod is provided inside the filter frame, a chassis is fixedly provided on the upper end of the electric telescopic rod, a first servo motor is provided inside the chassis, a rotating rod is fixedly connected to the output shaft of the first servo motor, a stirring rod is fixedly connected to the side wall of the rotating rod, a stirring blade is fixedly provided on the outer wall of the stirring rod, and a nozzle is provided on the inner wall of the body.

[0007] Preferably, the stirring blade is provided with a separation hole.

[0008] Preferably, a through hole having a radius smaller than that of the granular fertilizer is provided inside the filter frame.

[0009] Preferably, a support base is fixedly provided at the bottom end of the body, and a rubber pad is provided at the bottom end of the support base.

[0010] Preferably, the pre-crushing structure comprises a pre-crushing frame, the pre-crushing frame is fixedly arranged on the inner wall of the machine body, the output shaft of the second servo motor is fixedly connected with a rotating rod, and a crushing knife is installed on the rotating rod.

[0011] Preferably, the crushing knife is connected to the outer wall of the mounting plate, the mounting plate is installed inside the mounting groove, the mounting groove is opened inside the rotating rod, the mounting groove is installed with a mounting bolt, and the mounting bolt is installed inside the rotating rod.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The drying device for producing potassium sulfate granular fertilizer is provided with a drying structure. When the drying device for producing potassium sulfate granular fertilizer is used, the granular fertilizer is injected from the feed seat to enter the filter frame, and the heated air from the outside enters the jacket through the air inlet pipe, and then is sprayed out by the nozzle to dry the granular fertilizer. The nozzle is evenly arranged along the circumference of the inner wall of the machine body, and the circumference of the filter frame can be evenly dried. At the same time, the electric telescopic rod is started to drive the chassis to be lifted and adjusted, and then the rotating rod is driven to be adjusted synchronously. At this time, the first servo motor is started synchronously to drive the rotating rod to rotate, and then the stirring rod and the stirring blade are driven to rotate synchronously, so that the granular fertilizer can be stirred and lifted at the same time, and the granular fertilizer at different positions can be stirred, so that the inside of the mixed granular fertilizer can also be evenly dried, and the drying effect is better and more uniform. Through this design, the drying device for producing potassium sulfate granular fertilizer can be lifted, adjusted and stirred during the drying process, and the granular fertilizer at different positions is stirred, so that the contact area of ​​the heated air is larger, the drying is more uniform and the effect is better, and the practicability and drying effect of the device are improved.

[0014] 2. The drying device for producing potassium sulfate granular fertilizer is provided with a pre-crushing structure. When the drying device for producing potassium sulfate granular fertilizer is used, the granular fertilizer is preferentially injected into the pre-crushing frame from the feed seat. At this time, the second servo motor is started to drive the rotating rod to rotate, and then the crushing knife is driven to rotate synchronously, so that the granular fertilizer is crushed and pre-crushed to avoid the granular fertilizer from agglomerating when entering the body, resulting in the granular fertilizer in the middle part not being evenly dried. Through this design, the drying device for producing potassium sulfate granular fertilizer can pre-crush the injected raw materials to avoid the injected raw materials from agglomerating into a mass, resulting in the granular fertilizer in the middle part not being evenly dried, thereby improving the practicability and drying effect of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of a front cross-section of the structure of the utility model;

[0016] Figure 2 It is a side cross-sectional schematic diagram of a local structure of the utility model;

[0017] Figure 3 For this utility model Figure 1 A schematic diagram of the structure enlargement in the middle;

[0018] Figure 4 For this utility model Figure 1 Enlarged schematic diagram of the structure at point B in the middle.

[0019] In the figure: 111, machine body; 112, feed seat; 113, discharge seat; 114, first servo motor; 115, second servo motor; 2, drying structure; 211, air inlet pipe; 212, jacket; 213, filter frame; 214, electric telescopic rod; 216, chassis; 217, rotating rod; 218, stirring rod; 219, stirring blade; 220, nozzle; 221, partition hole; 222, support seat; 3, pre-crushing structure; 311, pre-crushing frame; 312, rotating rod; 313, crushing knife; 314, mounting plate; 315, mounting groove; 316, mounting bolt. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1-4 , an embodiment provided by the utility model:

[0022] A drying device for producing potassium sulfate granular fertilizer, comprising: a machine body 111, a feed seat 112, a discharge seat 113, a first servo motor 114 and a second servo motor 115, wherein the upper end of the machine body 111 is provided with the feed seat 112, the lower end of the machine body 111 is provided with the discharge seat 113, the middle part of the upper end of the machine body 111 is provided with the second servo motor 115, the interior of the machine body 111 is provided with a drying structure 2, the interior of the machine body 111 is provided with a pre-crushing structure 3, the drying structure 2 includes an air inlet pipe 211 The air inlet pipe 211 is connected to the jacket 212 provided inside the machine body 111, the inner wall of the machine body 111 is provided with a filter frame 213, the inner wall of the machine body 111 is installed with a filter frame 213, an electric telescopic rod 214 is provided inside the filter frame 213, a chassis 216 is fixedly provided on the upper end of the electric telescopic rod 214, a first servo motor 114 is provided inside the chassis 216, a rotating rod 217 is fixedly connected to the output shaft of the first servo motor 114, and a stirring rod 217 is fixedly connected to the side wall of the rotating rod 217 18. A stirring blade 219 is fixedly arranged on the outer wall of the stirring rod 218, and a nozzle 220 is arranged on the inner wall of the body 111. According to this design, when the drying device for producing potassium sulfate granular fertilizer is used, the granular fertilizer is injected from the feed seat 112 to enter the filter frame 213, and the heated air from the outside enters the inside of the jacket 212 through the air inlet pipe 211, and then is sprayed out by the nozzle 220 to dry the granular fertilizer. The nozzle 220 is evenly arranged along the circumference of the inner wall of the body 111, and the circumference of the filter frame 213 can be evenly dried. At the same time, the electric telescopic rod 214 is started to drive the chassis 216 to be lifted and adjusted, and then the rotating rod 217 is driven to be adjusted synchronously. At this time, the first servo motor 114 is synchronously started to drive the rotating rod 217 to rotate, and then the stirring rod 218 and the stirring blade 219 are driven to rotate synchronously, so that the granular fertilizer can be stirred and lifted at the same time, and the granular fertilizer at different positions can be stirred, so that the inside of the mixed granular fertilizer can also be evenly dried, and the drying effect is better and more uniform.

[0023] Furthermore, a separation hole 221 is provided on the stirring blade 219. Through this design, the separation hole 221 is provided on the stirring blade 219, and the granular fertilizer can be separated while stirring to avoid agglomeration and affect the drying effect.

[0024] Furthermore, a through hole having a radius smaller than that of the granular fertilizer is provided inside the filter frame 213 .

[0025] Furthermore, a support base 222 is fixedly provided at the bottom of the body 111, and a rubber pad is provided at the bottom of the support base 222. Through this design, the rubber pad provided at the bottom of the support base 222 increases the friction between the support base 222 and the ground, and the device is more stable when placed.

[0026] Furthermore, the pre-crushing structure 3 includes a pre-crushing frame 311, which is fixedly arranged on the inner wall of the body 111, and the output shaft of the second servo motor 115 is fixedly connected to the rotating rod 312, and the rotating rod 312 is equipped with a crushing knife 313. Through this design, when the drying device for producing potassium sulfate granular fertilizer is used, the granular fertilizer is preferentially injected into the pre-crushing frame 311 from the feeding seat 112. At this time, the second servo motor 115 is started to drive the rotating rod 312 to rotate, and then drive the crushing knife 313 to rotate synchronously, so that it can crush the granular fertilizer and perform pre-crushing to avoid the granular fertilizer from aggregating when entering the body 111, resulting in the granular fertilizer in the middle part not being evenly dried.

[0027] Furthermore, the crushing knife 313 is connected to the outer wall of the mounting plate 314, the mounting plate 314 is installed inside the mounting groove 315, the mounting groove 315 is opened inside the rotating rod 312, a mounting bolt 316 is installed inside the mounting groove 315, and the mounting bolt 316 is installed inside the rotating rod 312. Through this design, when the crushing knife 313 needs to be cleaned and replaced, the mounting bolt 316 can be rotated to remove it from the mounting plate 314 and the rotating rod 312, so that the crushing knife 313 can be easily cleaned and replaced.

[0028] Working principle:

[0029] When the drying device for producing potassium sulfate granular fertilizer is used, the granular fertilizer is injected from the feed seat 112 to enter the filter frame 213, and the heated air from the outside enters the jacket 212 through the air inlet pipe 211, and then is sprayed out by the nozzle 220 to dry the granular fertilizer. The nozzle 220 is evenly arranged along the circumference of the inner wall of the body 111, and can evenly dry the circumference of the filter frame 213. At the same time, the electric telescopic rod 214 is started to drive the chassis 216 to be raised and lowered, and then the rotating rod 217 is driven to be adjusted synchronously. At this time, the first servo motor 114 is started synchronously to drive the rotating rod 217 to rotate, and then the stirring rod 218 and the stirring blade 219 are driven to rotate synchronously, so that the granular fertilizer can be stirred and raised and adjusted at the same time, and the granular fertilizer at different positions can be stirred, so that the inside of the mixed granular fertilizer can also be evenly dried, and the drying effect is better and more uniform.

[0030] When using the drying device for producing potassium sulfate granular fertilizer, the granular fertilizer is preferentially injected into the pre-crushing frame 311 from the feed seat 112. At this time, the second servo motor 115 is started to drive the rotating rod 312 to rotate, and then drive the crushing knife 313 to rotate synchronously, so that it can crush the granular fertilizer and perform pre-crushing to prevent the granular fertilizer from gathering together when entering the body 111, resulting in the granular fertilizer in the middle part not being evenly dried. The operation is now completed.

[0031] The above are only preferred embodiments of the present invention and are not intended to limit the present invention in any form. Any ordinary technician in the industry can smoothly implement the present invention as shown in the drawings and above. However, any equivalent changes, modifications and evolutions made by technicians familiar with the profession without departing from the scope of the technical solution of the present invention using the technical content disclosed above are all equivalent embodiments of the present invention. At the same time, any equivalent changes, modifications and evolutions made to the above embodiments based on the essential technology of the present invention are still within the protection scope of the technical solution of the present invention.

Claims

1. A drying device for producing potassium sulfate granular fertilizer, comprising: A machine body (111), a feeding seat (112), a discharging seat (113), a first servo motor (114) and a second servo motor (115), wherein the upper end of the machine body (111) is provided with the feeding seat (112), the lower end of the machine body (111) is provided with the discharging seat (113), and the middle part of the upper end of the machine body (111) is provided with the second servo motor (115), characterized in that: a drying structure (2) is provided inside the machine body (111), a pre-crushing structure (3) is provided inside the machine body (111), and the drying structure (2) includes an air inlet pipe (211), and the air inlet pipe (211) is connected to a jacket (212) provided inside the machine body (111). The inner wall of the machine body (111) is provided with a filter frame (213), the inner wall of the machine body (111) is installed with the filter frame (213), an electric telescopic rod (214) is arranged inside the filter frame (213), a machine box (216) is fixedly arranged on the upper end of the electric telescopic rod (214), a first servo motor (114) is arranged inside the machine box (216), an output shaft of the first servo motor (114) is fixedly connected with a rotating rod (217), a side wall of the rotating rod (217) is fixedly connected with a stirring rod (218), an outer wall of the stirring rod (218) is fixedly provided with a stirring blade (219), and a nozzle (220) is arranged on the inner wall of the machine body (111).

2. A drying device for producing potassium sulfate granular fertilizer according to claim 1, characterized in that: The stirring blade (219) is provided with a partition hole (221).

3. A drying device for producing potassium sulfate granular fertilizer according to claim 1, characterized in that: A through hole having a radius smaller than that of the granular fertilizer is provided inside the filter frame (213).

4. A drying device for producing potassium sulfate granular fertilizer according to claim 1, characterized in that: A support seat (222) is fixedly arranged at the bottom end of the machine body (111), and a rubber pad is arranged at the bottom end of the support seat (222).

5. A drying device for producing potassium sulfate granular fertilizer according to claim 1, characterized in that: The pre-crushing structure (3) comprises a pre-crushing frame (311), wherein the pre-crushing frame (311) is fixedly arranged on the inner wall of the machine body (111), and the output shaft of the second servo motor (115) is fixedly connected to a rotating rod (312), and a crushing knife (313) is installed on the rotating rod (312).

6. A drying device for producing potassium sulfate granular fertilizer according to claim 5, characterized in that: The crushing knife (313) is connected to the outer wall of the mounting plate (314), the mounting plate (314) is installed inside the mounting groove (315), the mounting groove (315) is opened inside the rotating rod (312), a mounting bolt (316) is installed inside the mounting groove (315), and the mounting bolt (316) is installed inside the rotating rod (312).

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