Wheat seed drying device for seed dressing to prevent and control wheat stem base rot

Abstract

The utility model provides a kind of wheat stem base rot prevention and control seed dressing seed drying device, including drying bin, drying bin top side end is connected with suction pump by feed pipe, drying bin inner layer is stacked and is provided with drying zone, hot air duct is provided on the two side walls of drying zone, hot air duct is connected with hot air unit, rotatingly installed in drying zone is shaft, fixedly installed with turning plate on shaft, turning plate cross section is S shape, the direction of adjacent two shafts is opposite, shaft transmission is connected with turning motor, drying bin bottom end is provided with discharge port, discharge port is provided with flap valve.The utility model is divided into multiple drying zones in drying bin, turning plate is arranged in drying zone and turns wheat seed, the hot air duct of inclined is arranged on the two sides of drying zone, the hot air output in hot air duct forms the stable laminar flow air current that penetrates seed layer, realizes the efficient, uniform removal of moisture inside and outside seed, avoids partial high temperature burn seed embryo or cause medicine thermal degradation.

Description

Technical Field

[0001] This utility model belongs to the field of wheat stem base rot control technology, specifically relating to a seed drying device after seed dressing for wheat stem base rot control. Background Technology

[0002] Wheat stem rot is a significant soil-borne disease currently hindering safe wheat production, primarily controlled through seed treatment with fungicides such as fludioxonil and difenoconazole. However, if the liquid fungicide adhering to the seed surface after treatment is not dried promptly, it can easily lead to film adhesion, fungicide degradation or loss, and even seed mold, severely impacting sowing quality and disease control efficacy. Currently used natural sun-drying methods are heavily influenced by weather conditions, while traditional hot air drying ovens suffer from uneven drying, localized high temperatures damaging the seed embryo, and impairing fungicide activity. Drum or vibratory drying equipment, due to intense mechanical friction, easily damages the integrity of the fungicide film, significantly reducing control effectiveness. Utility Model Content

[0003] The technical problem to be solved by this utility model is to provide a seed drying device after seed dressing for the prevention and control of wheat stem base rot, which addresses the shortcomings of the prior art. The seed drying device has a simple structure and can guide wheat seeds to move slowly down in an S-shape and be dried sequentially through multiple drying zones. It has a good drying effect and high drying efficiency and can be widely applied.

[0004] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is: a seed drying device after seed dressing for the prevention and control of wheat stem base rot, characterized in that it includes a drying chamber, the top side of which is connected to a suction pump via a feed pipe. The suction pump transports the wheat seeds to be dried into the drying chamber through the feed pipe. Multiple drying zones are stacked inside the drying chamber to increase capacity. The number of drying zones can be selected according to the total amount of seeds. The drying zones are interconnected. Hot air ducts are evenly arranged on opposite side walls of the drying zones. Hot air pipes are fixedly connected to the outside of the hot air ducts. Hot air units are connected to the hot air pipes, and the hot air units provide hot air at 35-42℃ to the hot air pipes. A rotating shaft is installed rotatably within the drying zone. A flipping plate is fixedly mounted on the rotating shaft. The distance between the edge of the flipping plate and the rotating shaft is less than the distance between the rotating shafts. The rotation of the flipping plates does not interfere with each other. The flipping plate has an S-shaped cross-section. The rotation directions of two adjacent rotating shafts are opposite, causing adjacent flipping plates to run in the opposite direction. This guides the wheat seeds to move down along the S-shaped path, prolonging the drying time and causing the wheat seeds to be flipped at multiple angles, preventing the wheat seeds from accumulating in dead corners. The rotating shaft is connected to a flipping motor, which drives the rotating shaft to rotate, causing the flipping plates to rotate and flip the wheat seeds. A discharge port is provided at the bottom of the drying chamber, and a flipping valve is provided on the discharge port to facilitate the release of the dried wheat seeds.

[0005] Preferably, the hot air duct is connected by a connecting pipe, and the connecting pipe is equipped with a temperature regulating valve for easy control of the drying temperature. By adjusting the temperature regulating valve, the temperature of the three drying zones can be changed sequentially to achieve gradient drying and efficiently dry wheat seeds.

[0006] For example, in the early stage, the temperature is low in areas with high humidity, and in the later stage, the temperature is appropriately increased in areas with low humidity, so as to achieve efficient dehydration while ensuring seed viability (germination rate).

[0007] Preferably, the flipping plate is evenly provided with heat-conducting holes and raised blocks, and the heat-conducting holes and raised blocks are staggered. The flipping plate rotates gently to move the wheat seeds, effectively avoiding scratching, peeling or damage of the medicine film after seed dressing, ensuring that active ingredients such as fludioxonil and difenoconazole are stably attached to the seed surface and maintaining the disease prevention efficacy. The flipping plate is made of food-grade silicone or polyurethane material.

[0008] Preferably, a steam recovery pipe is fixedly connected to the top of the drying chamber, and an activated carbon adsorption tank is installed on the steam recovery pipe. The hot and humid air rises to the top of the drying chamber for condensation, and then the activated carbon adsorption tank adsorbs a trace amount of pharmaceutical vapor.

[0009] Preferably, an air inlet hopper is fixedly connected to the outside of the hot air duct, and the air inlet hopper is connected to the hot air duct through a Venturi tube. The Venturi tube plays a rectifying role and improves the stability of the hot air.

[0010] Preferably, the hot air duct is inclined, and the angle between the central axis of the hot air duct and the horizontal plane is 45°, forming a stable laminar airflow that penetrates the seed layer, avoiding local high temperature burns to the embryo or thermal degradation of the agent, while achieving efficient and uniform removal of moisture from inside and outside the seed.

[0011] Preferably, a temperature and humidity sensor is installed in the drying zone to monitor the temperature and humidity in each drying zone and transmit the temperature and humidity to the controller for timely adjustment.

[0012] This utility model has the following advantages compared with the prior art: This invention features a drying chamber divided into multiple drying zones. Each drying zone is equipped with a turning plate to agitate the wheat seeds. Inclined hot air ducts are located on both sides of each drying zone. The hot air output from these ducts forms a stable laminar airflow that penetrates the seed layer, achieving efficient and uniform removal of moisture from both the inside and outside of the seeds. This avoids localized high-temperature burns to the embryo or thermal degradation of the pesticide. The invention will be further described in detail below with reference to the accompanying drawings and embodiments. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the structure of this utility model.

[0014] Figure 2This is a schematic diagram of the internal structure of the drying chamber in this utility model.

[0015] Figure 3 This is a schematic diagram of the structure of the flip plate in this utility model.

[0016] Figure 4 This is a schematic diagram of the connection structure between the hot air unit and the hot air pipe in this utility model.

[0017] Explanation of reference numerals in the attached figures: 1—Drying chamber; 2—Feed pipe; 3—Feed pump; 4—Hot air duct; 5—Hot air pipe; 6—Hot air unit; 7—Rotating shaft; 8—Tilting plate; 9—Discharge port; 10—Connecting pipe; 11—Temperature control valve; 12—Steam recovery pipe; 13—Activated carbon adsorption tank; 14—Tilting motor; 15—Air inlet hopper; 16—Venturi tube. Detailed Implementation

[0018] To make the above-mentioned objectives, features, and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model are described in detail below with reference to the accompanying drawings. Many specific details are set forth in the following description to provide a full understanding of this utility model. However, this utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar modifications without departing from the spirit of this utility model. Therefore, this utility model is not limited to the specific embodiments disclosed below.

[0019] It should be noted that when an element is referred to as being "fixed to" another element, it can be directly attached to the other element or there may be an intervening element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or there may be an intervening element. The terms "vertical," "horizontal," "left," "right," and similar expressions used herein are for illustrative purposes only and do not represent the only possible implementation.

[0020] like Figures 1-4As shown, this utility model provides a seed drying device after seed dressing for the prevention and control of wheat stem base rot. It includes a drying chamber 1. A suction pump 3 is connected to the top side of the drying chamber 1 via a feed pipe 2. The suction pump 3 transports the wheat seeds to be dried into the drying chamber 1 through the feed pipe 2. Multiple drying zones are stacked inside the drying chamber 1 to increase capacity. The number of drying zones can be selected according to the total amount of seeds. The drying zones are interconnected. Hot air ducts 4 are evenly arranged on opposite side walls of the drying zones. Hot air pipes 5 are fixedly connected to the outside of the hot air ducts 4. Hot air units 6 are connected to the hot air pipes 5, providing hot air at 35-42℃ to the hot air pipes 5. A rotating shaft is rotatably installed within the drying zone. 7. A flipping plate 8 is fixedly installed on the rotating shaft 7. The distance between the edge of the flipping plate 8 and the rotating shaft 7 is less than the distance between the rotating shafts 7. The rotation of the flipping plates 8 does not interfere with each other. The cross-section of the flipping plate 8 is S-shaped. The rotation directions of two adjacent rotating shafts 7 are opposite, which drives the adjacent flipping plates 8 to run in the opposite direction, guides the wheat seeds to move down along the S-shaped path, prolongs the drying time, and promotes the wheat seeds to be flipped at multiple angles to avoid the wheat seeds accumulating in dead corners. The rotating shaft 7 is connected to a flipping motor 14. The flipping motor 14 drives the rotating shaft 7 to rotate, which drives the flipping plate 8 to rotate and flip the wheat seeds. The bottom of the drying chamber 1 is provided with a discharge port 9. A flipping valve is provided on the discharge port 9 to facilitate the release of the dried wheat seeds.

[0021] In this embodiment, the hot air duct 5 is connected via a connecting pipe 10, and a temperature regulating valve 11 is provided on the connecting pipe 10 to facilitate the control of the drying temperature. By adjusting the temperature regulating valve 11, the temperature of the three drying zones can be changed sequentially to achieve gradient drying and efficiently dry wheat seeds.

[0022] For example, in the early stage, the temperature is low in areas with high humidity, and in the later stage, the temperature is appropriately increased in areas with low humidity, so as to achieve efficient dehydration while ensuring seed viability (germination rate).

[0023] In this embodiment, the flipping plate 8 is uniformly provided with heat-conducting holes and protrusions are uniformly provided on the flipping plate 8. The protrusions are hemispherical or have rounded corners. The heat-conducting holes and protrusions are staggered. The rotation of the flipping plate 8 can gently move the wheat seeds, effectively avoiding the scratching, peeling or damage of the medicine film after seed dressing, ensuring that active ingredients such as fludioxonil and difenoconazole are stably attached to the seed surface and maintaining the disease prevention efficacy. The flipping plate 8 is made of food-grade silicone or polyurethane material.

[0024] In this embodiment, a steam recovery pipe 12 is fixedly connected to the top of the drying chamber 1, and an activated carbon adsorption tank 13 is provided on the steam recovery pipe 12. The hot and humid air rises to the top of the drying chamber 1 for condensation, and then the activated carbon adsorption tank 13 adsorbs a small amount of drug vapor.

[0025] In this embodiment, an air inlet hopper 15 is fixedly connected to the outside of the hot air duct 4. The air inlet hopper 15 is connected to the hot air duct 5 through a venturi tube 16. The venturi tube 16 plays a rectifying role and improves the stability of the hot air.

[0026] In this embodiment, the hot air duct 4 is inclined, and the angle between the central axis of the hot air duct 4 and the horizontal plane is 45°, forming a stable laminar airflow that penetrates the seed layer, avoiding local high temperature burns to the embryo or thermal degradation of the agent, while achieving efficient and uniform removal of moisture from inside and outside the seed.

[0027] In this embodiment, a temperature and humidity sensor is installed in the drying zone to monitor the temperature and humidity in each drying zone and transmit the temperature and humidity to the controller for timely adjustment.

[0028] In this embodiment, the bottom of the drying chamber 1 is fixedly connected with four support legs.

[0029] In use, the wheat seeds to be dried are transported to the drying chamber 1 through the feed pipe 2 by the suction pump 3. The wheat seeds fall into the bottom of the drying chamber 1 and fill multiple drying zones from bottom to top.

[0030] The hot air unit 6 provides hot air at 35-42℃ to the hot air pipe 5. The hot air is blown into the drying zone at an angle, forming a stable laminar airflow that penetrates the seed layer. This avoids local high temperature scorching of the embryo or thermal degradation of the agent, while achieving efficient and uniform removal of moisture from inside and outside the seed.

[0031] The flipping motor 14 drives the rotating shaft 7 to rotate, which in turn drives the flipping plate 8 to rotate, thus flipping the wheat seeds.

[0032] The two adjacent rotating shafts 7 rotate in opposite directions, causing the adjacent flipping plates 8 to run in the opposite direction, guiding the wheat seeds to move down along an S-shaped path, extending the drying time, and prompting the wheat seeds to be flipped at multiple angles, thus preventing the wheat seeds from accumulating in dead corners.

[0033] During the drying process, temperature and humidity sensors monitor the temperature and humidity in each drying zone and transmit the data to the controller for timely adjustment.

[0034] Compared to natural sun drying (which is subject to weather conditions), traditional hot air boxes (which result in uneven drying and high-temperature damage), and drum / vibration equipment (which cause severe friction to damage the pesticide film), this device combines the advantages of low temperature, low damage, uniformity, high efficiency, and intelligence. It is specifically designed for seed drying after seed dressing and significantly improves the sowing quality and field control efficacy of wheat stem base rot prevention.

[0035] The above description is merely a preferred embodiment of this utility model and does not constitute any limitation on this utility model. Any simple modifications, alterations, and equivalent changes made to the above embodiments based on the technical essence of this utility model shall still fall within the protection scope of this utility model.

Claims

1. A seed drying device for controlling wheat stem base rot after seed dressing, characterized in that, The equipment includes a drying chamber (1), the top side of which is connected to a suction pump (3) via a feed pipe (2). Multiple drying zones are stacked inside the drying chamber (1) and are interconnected. Hot air ducts (4) are evenly arranged on the opposite side walls of the drying zones. Hot air pipes (5) are fixedly connected to the outside of the hot air ducts (4). Hot air units (6) are connected to the hot air pipes (5). A rotating shaft (7) is rotatably installed inside the drying zone. A flipping plate (8) is fixedly installed on the rotating shaft (7). The distance between the edge of the flipping plate (8) and the rotating shaft (7) is less than the distance between the rotating shafts (7). The cross-section of the flipping plate (8) is S-shaped. The rotation directions of two adjacent rotating shafts (7) are opposite. A flipping motor (14) is connected to the rotating shaft (7). A discharge port (9) is provided at the bottom of the drying chamber (1). A flipping valve is provided on the discharge port (9).

2. The seed drying device for controlling wheat stem base rot after seed dressing according to claim 1, characterized in that, The hot air duct (5) is connected through a connecting pipe (10), and a temperature regulating valve (11) is provided on the connecting pipe (10).

3. The seed drying device for controlling wheat stem base rot after seed dressing according to claim 1, characterized in that, The flipping plate (8) is uniformly provided with heat-conducting holes and protrusions are uniformly provided on the flipping plate (8). The heat-conducting holes and protrusions are arranged alternately. The flipping plate (8) is made of food-grade silicone or polyurethane.

4. The seed drying device for controlling wheat stem base rot after seed dressing according to claim 1, characterized in that, The top of the drying chamber (1) is fixedly connected to a steam recovery pipe (12), and an activated carbon adsorption tank (13) is installed on the steam recovery pipe (12).

5. The seed drying device for controlling wheat stem base rot after seed dressing according to claim 1, characterized in that, An air inlet hopper (15) is fixedly connected to the outside of the hot air duct (4), and the air inlet hopper (15) is connected to the hot air duct (5) through a venturi tube (16).

6. The seed drying device for controlling wheat stem base rot after seed dressing according to claim 1, characterized in that, The hot air duct (4) is inclined, and the angle between the central axis of the hot air duct (4) and the horizontal plane is 45°.

7. The seed drying device for controlling wheat stem base rot after seed dressing according to claim 1, characterized in that, Temperature and humidity sensors are installed in the drying zone.

8. The seed drying device for controlling wheat stem base rot after seed dressing according to claim 1, characterized in that, The bottom of the drying chamber (1) is fixedly connected with four support legs.

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