Auxiliary drying device used after seed coating
By using heat dissipation grid cover plate and temperature sensor in the seed-coated auxiliary drying device, the problems of uneven drying and high energy consumption in the traditional drying method are solved, and uniform drying of seeds and bud rate protection are achieved .
Patent Information
- Application Number
- CN202411662335.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-20
- Publication Date
- 2025-01-03
AI Technical Summary
The traditional seed coating post-drying method has problems such as uneven drying, high energy consumption and complex operation. In particular, hot air drying has a great impact on the seed bud rate and it is difficult to ensure uniform drying.
The seed-coated auxiliary drying device including a twisted dragon conveyor channel, a bellows and a heat dissipation grid cover is adopted. The inlet air temperature is monitored in real time through the temperature sensor and feedback is carried out through the RS485. The heat dissipation grid cover is used to disperse the hot air evenly to the material. On the surface, ensure that the seeds are dried without affecting the bud rate.
Even drying after seed coating is achieved, reducing thermal energy loss, ensuring the safety of seed germination rate, and improving drying efficiency through an adjustable hot air system.
Smart Images
Figure CN119245328A_ABST
Abstract
Description
Technical Field
[0001] The invention belongs to the technical field of agriculture, and in particular relates to a seed coating auxiliary drying device. Background Art
[0002] In the seed coating process, drying of the coating agent is one of the key steps. Traditional drying methods have problems such as uneven drying, high energy consumption, and complicated operation. The traditional technical method of drying seeds after coating mainly relies on natural drying and simple hot air drying. The advantages of natural drying are low cost and simple operation, but the disadvantages are that it is greatly affected by the weather, and the drying speed is slow, and it is difficult to ensure uniform drying of the seeds. The advantages of hot air drying are fast drying speed, strong controllability, and can meet the needs of large-scale production. However, the disadvantage is that the hot air needs to be blown on the seed material in a fixed direction and air volume all the time, resulting in large energy loss, uneven heating on each side, and improper operation may affect the germination rate of the seeds.
[0003] Therefore, a novel seed coating auxiliary drying device is developed according to the above problems. Summary of the invention
[0004] The technical problem to be solved by the present invention is to reduce heat energy loss through the heat dissipation grid cover when drying materials, evenly disperse the heat to the material surface, monitor the air inlet temperature in the air inlet box in real time, and not affect the seed germination rate.
[0005] In order to solve the above technical problems, the technical solution adopted by the present invention is as follows: a seed coating auxiliary drying device, comprising an auger conveying channel, the auger conveying channel is open at the top, the two ends of the auger conveying channel are respectively connected with an end cover and a tail cover, the auger is connected inside the auger conveying channel through the opposite end surfaces of the end cover and the tail cover, and the two ends of the auger conveying channel are respectively provided with a feeding port and a discharging port;
[0006] The upper part of the auger conveying channel is connected with an air inlet box, and is located between the feeding port and the unloading port;
[0007] The upper part of the auger conveying channel is connected with a cover plate, and the cover plate is arranged adjacent to the air inlet box;
[0008] A heat dissipation grid cover is installed at the connection between the air inlet box and the auger conveying channel, and the air inlet end of the air inlet box is connected to an air supply system.
[0009] Furthermore, the heat dissipation grid cover is buckled on the auger conveying channel, the side of the heat dissipation grid cover is vertically bent, and the side of the heat dissipation grid cover is in contact with the outer side wall of the auger conveying channel.
[0010] Furthermore, an air outlet is provided in the middle of the heat dissipation grid cover plate, and the air inlet box is connected to the auger conveying channel through the air outlet.
[0011] Furthermore, the air outlet holes are evenly spaced and arranged along the length direction of the heat dissipation grid cover plate, and are arranged in a transverse staggered manner.
[0012] Furthermore, the side wall of the air inlet box is connected to an air inlet pipe, and the side wall of the air inlet box is penetrated and connected to a temperature sensor.
[0013] Furthermore, a feed plate is connected to the upper wall of one end of the auger conveying channel close to the end cover, the feeding port is located in the feed plate, and the discharge port is located at the bottom wall of one end of the auger conveying channel close to the tail cover.
[0014] Furthermore, the air supply system includes a medium-pressure fan and a hot air box, the air outlet of the medium-pressure fan is connected to the air inlet of the hot air box by a pipeline, and the air outlet of the hot air box is connected to the air inlet pipe by a pipeline.
[0015] Preferably, the temperature sensor and the hot air blower communicate with the host computer via RS485.
[0016] After adopting the above structure, the present invention has the following beneficial effects: for uniform drying of seeds during continuous transportation after coating, (1) the inlet air temperature of the air inlet box is monitored in real time by a temperature sensor, an external RS485 is connected to realize feedback to the host computer, and the temperature output of the hot air box can be actively adjusted through the operation panel;
[0017] (2) The hot air in the air inlet box is evenly transported to the auger conveying channel through the heat dissipation grid cover, so as to dry the seeds with hot air without affecting the seed germination rate;
[0018] (3) The upper cover plate and the air inlet box of the auger conveying channel are adjustable so that the hot air can act on a specific area in the auger conveying channel. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] The accompanying drawings are used to provide further understanding of the present invention and constitute a part of the specification. They are used to explain the present invention together with the embodiments of the present invention and do not constitute a limitation of the present invention.
[0020] Figure 1 This is a schematic diagram of the overall structure of a seed coating auxiliary drying device proposed by the present invention;
[0021] Figure 2 This is a schematic diagram of the structure of a discharge port of a seed coating auxiliary drying device proposed by the present invention;
[0022] Figure 3 This is an exploded view of the air inlet box, heat dissipation grid cover plate and auger conveying channel of the seed coating auxiliary drying device proposed by the present invention.
[0023] In the attached drawings: 1. auger conveying channel, 2. end cover, 3. tail cover, 4. feeding port, 5. discharge port, 6. air inlet box, 7. cover plate, 8. heat dissipation grid cover plate, 9. air supply system, 10. air outlet, 11. air inlet pipe, 12. temperature sensor, 13. feed plate, 14. medium pressure fan, 15. hot air box. DETAILED DESCRIPTION
[0024] like Figure 1-3 As shown, a seed coating auxiliary drying device comprises an auger conveying channel 1, which is open at the top, and the two ends of the auger conveying channel 1 are respectively connected with an end cover 2 and a tail cover 3, and the auger is connected inside the auger conveying channel 1 through the opposite end surfaces of the end cover 2 and the tail cover 3, and the two ends of the auger conveying channel 1 are respectively provided with a feeding port 4 and a discharging port 5, and the upper part of the auger conveying channel 1 is connected with an air inlet box 6, and is located between the feeding port 4 and the discharging port 5, and the upper part of the auger conveying channel 1 is connected with a cover plate 7, and the cover plate 7 and the air inlet box 6 are adjacently arranged, and a heat dissipation grid cover is installed at the connection between the air inlet box 6 and the auger conveying channel 1 Plate 8, the air inlet end of the air inlet box 6 is connected to the air supply system 9, the air inlet box 6 can be installed at different positions on the upper part of the auger conveying channel 1, and the position of the cover plate 7 is adjustable, the upper wall of the end of the auger conveying channel 1 close to the end cover 2 is connected to the feed plate 13, the feeding port 4 is located in the feed plate 13, and the discharge port 5 is located at the bottom wall of the end of the auger conveying channel 1 close to the tail cover 3. The seeds enter the auger conveying channel 1 through the feeding port 4, and the hot air with temperature is sent into the air inlet box 6 through the air supply system 9. The hot air is evenly introduced into the auger conveying channel 1 by using the heat dissipation grid cover plate 8, so as to dry the continuously transported coated seeds in a specific area of the auger conveying channel 1.
[0025] like Figure 1-3 As shown, in order to introduce hot air that does not affect the seed germination rate into the air inlet box 6, the air supply system 9 includes a medium-pressure fan 14 and a hot air box 15, the air outlet end of the medium-pressure fan 14 is connected to the air inlet end of the hot air box 15 by pipeline, the air outlet end of the hot air box 15 is connected to the air inlet pipe 11 by pipeline, the side wall of the air inlet box 6 is connected with the air inlet pipe 11, the side wall of the air inlet box 6 is penetrated by a temperature sensor 12, the temperature sensor 12 and the hot air blower communicate with the host computer through RS485, the medium-pressure fan 14 transports air to the hot air box 15 through a hose, the air is heated in the hot air box 15, and under the driving action of the medium-pressure fan 14, the hot air is introduced into the air inlet box 6 by the air inlet pipe 11, the temperature sensor 12 monitors the air inlet temperature in the air inlet box 6 in real time, and uses an external RS485 to feed back to the host computer, and the temperature output of the hot air box 15 can be actively adjusted through the operation panel.
[0026] like Figure 1 and Figure 3As shown, in order to achieve the uniform effect of the hot air in the air inlet box 6 on the surface of the coated seeds, the heat dissipation grid cover 8 is synchronously adjusted in position with the air inlet box 6, the heat dissipation grid cover 8 is buckled on the auger conveying channel 1, the side of the heat dissipation grid cover 8 is vertically bent, and the side of the heat dissipation grid cover 8 is attached to the outer wall of the auger conveying channel 1, the heat dissipation grid cover 8 is connected with the upper wall bolts of the auger conveying channel 1 through the air inlet box 6, and is fixedly clamped between the air inlet box 6 and the auger conveying channel 1, and an air outlet hole 10 is opened in the middle of the heat dissipation grid cover 8, the air inlet box 6 is connected with the auger conveying channel 1 through the air outlet hole 10, the air outlet holes 10 are evenly spaced and arranged along the length direction of the heat dissipation grid cover 8, and are laterally staggered, the hot air enters the auger conveying channel 1 through the air outlet holes 10, and the array-distributed air outlet holes 10 are used to evenly disperse the hot air to act on the surface of the coated seeds, thereby achieving drying of the coated seeds.
[0027] Among them, the auger conveying channel 1, the air inlet box 6, the heat dissipation grid cover 8 and the temperature sensor 12 are made of food grade 304 stainless steel.
[0028] When in use, the coated seeds are added into the auger conveying channel 1 through the feeding port 4, and the auger is used to push the coated seeds to move in the length direction of the auger conveying channel 1. When the coated seeds move in the auger conveying channel 1, the medium-pressure fan 14 conveys air to the inside of the hot air box 15, and the air is heated in the hot air box 15, so that the hot air is passed into the air inlet box 6. The temperature sensor 12 monitors the air inlet temperature in the air inlet box 6 in real time, and feeds back to the host computer through the external RS485. The temperature output of the hot air box 15 can be actively adjusted in real time through the operation panel according to the actual situation;
[0029] The positions of the upper cover plate 7 and the air inlet box 6 of the auger conveying channel 1 are adjustable, so that the hot air can act on a specific area in the auger conveying channel 1. The hot air enters the auger conveying channel 1 through the air outlet holes 10 of the heat dissipation grid cover plate 8 in the air inlet box 6. The hot air is evenly dispersed by using the air outlet holes 10 distributed in an array, and acts on the surface of the coated seeds to achieve drying of the coated seeds.
[0030] Although the embodiments of the present invention have been shown and described, it is understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents. In short, if those skilled in the art are inspired by them and design structural modes and embodiments similar to the technical solution without creativity without departing from the purpose of the present invention, they shall all fall within the scope of protection of the present invention.
Claims
1. A seed coating auxiliary drying device, characterized in that: It includes an auger conveying channel, the auger conveying channel is open at the top, the two ends of the auger conveying channel are respectively connected with an end cover and a tail cover, the auger is connected inside the auger conveying channel through the opposite end surfaces of the end cover and the tail cover, and the two ends of the auger conveying channel are respectively provided with a feeding port and a discharging port; The upper part of the auger conveying channel is connected with an air inlet box, and is located between the feeding port and the unloading port; The upper part of the auger conveying channel is connected with a cover plate, and the cover plate is arranged adjacent to the air inlet box; A heat dissipation grid cover is installed at the connection between the air inlet box and the auger conveying channel, and the air inlet end of the air inlet box is connected to an air supply system.
2. The seed coating auxiliary drying device according to claim 1, characterized in that: The heat dissipation grid cover plate is buckled on the auger conveying channel, the side of the heat dissipation grid cover plate is vertically bent, and the side of the heat dissipation grid cover plate is in contact with the outer side wall of the auger conveying channel.
3. The device for auxiliary drying of seeds after coating according to claim 2, characterized in that: An air outlet is provided in the middle of the heat dissipation grid cover plate, and the air inlet box is connected with the auger conveying channel through the air outlet.
4. The device for auxiliary drying of seeds after coating according to claim 3, characterized in that: The air outlet holes are evenly spaced and arranged along the length direction of the heat dissipation grid cover plate, and are arranged in a transverse staggered manner.
5. The device for auxiliary drying of seeds after coating according to claim 1, characterized in that: The side wall of the air inlet box is connected with an air inlet pipe, and the side wall of the air inlet box is penetrated and connected with a temperature sensor.
6. The device for auxiliary drying of seeds after coating according to claim 1, characterized in that: The upper wall of one end of the auger conveying channel close to the end cover is connected with a feed plate, the feeding port is located in the feed plate, and the discharge port is located at the bottom wall of one end of the auger conveying channel close to the tail cover.
7. The device for auxiliary drying of seeds after coating according to claim 1 or 5, characterized in that: The air supply system comprises a medium-pressure fan and a hot air box. The air outlet of the medium-pressure fan is connected to the air inlet of the hot air box through a pipeline, and the air outlet of the hot air box is connected to the air inlet pipe through a pipeline.
8. The device for auxiliary drying of seeds after coating according to claim 7, characterized in that: The temperature sensor and the hot air blower communicate with the host computer via RS485.