Corn breeding material drying and storing integrated device based on seed maturity classification

Abstract

The invention relates to the technical field of corn breeding, in particular to a corn breeding material drying and storing integrated device based on seed maturity grading, which comprises a base and a plurality of storage cabins mounted on the side edge of the base, and a plurality of supporting assemblies corresponding to the storage cabins in number and position and used for supporting the storage cabins are arranged on the side edge of the base; a controller is fixedly connected to the top of the base, an air supply assembly for supplying air to the storage bin is arranged at the top of the base, and the air supply assembly is electrically connected with the controller; the side walls of the storage cabins communicate with air supply assemblies, the air supply assemblies communicate with cavities, and the sides, away from the air supply assemblies, of the cavities communicate with exhaust pipes. Through arrangement of the blades, the rotating shafts, the cams and the spring plates, the spring plates at the bottoms of the storage cabins generate periodic vibration, so that corn seeds are in a flying state in the storage cabins; the seeds are exposed in hot air to be uniformly dried, so that the condition of seed damage caused by non-uniform heating and non-thorough drying of part of the seeds is avoided.

Description

Technical Field

[0001] This invention relates to the field of maize breeding technology, specifically to an integrated device for drying and storing maize breeding materials based on seed maturity grading. Background Technology

[0002] Corn (Zea mays L.) is a globally important food and feed crop, playing a vital role in both agricultural production and industrial processing. Its kernels are not only an important source of carbohydrates in the human diet but also a major raw material for industries such as feed, starch, alcohol, and biofuels. Corn yield is closely related to seed quality, and the drying and storage of corn seeds are crucial steps in ensuring their germination rate, purity, and cultivation performance.

[0003] In maize breeding and seed production, maintaining seed viability and ensuring storage safety are crucial factors affecting breeding efficiency and germplasm stability. Improper post-harvest treatment can easily lead to mold, insect infestation, or decreased germination rates due to high moisture content or inadequate temperature control, directly impacting the breeding and production results of the following season. Furthermore, different maize varieties have varying seed maturity levels, requiring different temperatures and drying times for each variety. Taking the existing box-type dryer with the product name and model "Anyobaer LW-05" as an example, it mainly consists of a box body, several drying layers fixedly connected inside the box body, and a hot air fan located at the bottom of the box body. When using it, different varieties of corn seeds are placed on different drying layers, and the hot air fan is turned on to dry the corn seeds placed on the drying layers. However, when using this dryer to dry corn seeds, the following problems still exist: Since the corn seeds are placed on the drying layers for drying, and the position of the hot air fan outlet is fixed, the seed coat on the surface of the corn seeds is not heated evenly during drying. Corn seeds near the outlet are in the high-temperature airflow impact area for a long time, which easily leads to the surface drying too quickly, while the internal moisture content is still too high, resulting in cracking of the seed coat or damage to the endosperm, thus affecting their germination vitality; while corn seeds far from the outlet are not heated enough and are not dried thoroughly, still having a high residual moisture, which makes them prone to mold or insect infestation during storage, significantly reducing seed quality and shelf life.

[0004] Therefore, it is necessary to propose an integrated device for drying and storing maize breeding materials based on seed maturity grading. Summary of the Invention

[0005] To address the aforementioned problems, this invention provides an integrated drying and storage device for maize breeding materials based on seed maturity grading. By setting a controller and solenoid valve to control the air supply volume, and by using paddles, a rotating shaft, a cam, and a spring plate to cause periodic vibration of the spring plate at the bottom of the storage chamber, the maize seeds are suspended in the air inside the storage chamber, fully exposed to the hot air for uniform drying, thus avoiding uneven heating and incomplete drying of some seeds, which could lead to seed spoilage.

[0006] To achieve the above objectives, the technical solution of the present invention is as follows: an integrated drying and storage device for maize breeding materials based on seed maturity grading, comprising a base and several storage compartments installed on the side of the base, the side of the base being provided with several support components corresponding to the number and position of the storage compartments for supporting the storage compartments; the top of the base is provided with an air supply component for supplying air to the storage compartments, and the air supply component is electrically connected to a controller fixedly connected to the top of the base. Each storage compartment has an air supply assembly connected to its sidewalls, and each air supply assembly is connected to a chamber. Each chamber has an exhaust pipe connected to the side away from the air supply assembly, and each exhaust pipe is connected to a solenoid valve. The solenoid valves are electrically connected to the controller, and each exhaust pipe is connected to the air supply assembly. Each chamber has a rotating shaft extending to the outside of the chamber. The portion of the rotating shaft inside the chamber is fixedly connected to several blades. The portion of the rotating shaft outside the chamber is coaxially fixedly connected to a cam. Each storage compartment has a spring plate fixedly connected to its bottom, and the spring plate is located within the movement trajectory of the cam.

[0007] The technical principle of the above solution is as follows: In use, the operator first places corn ears of different maturity levels into their respective storage compartments and activates the air supply assembly via the controller. Subsequently, the controller sequentially controls the opening of the solenoid valves corresponding to each storage compartment according to a preset program, allowing the hot air generated by the air supply assembly to be delivered to each compartment through the exhaust pipe. After the hot air enters the compartment, it drives the paddles to rotate under the impact of the airflow, thereby driving the rotating shaft fixed coaxially with it to rotate synchronously. As the rotating shaft rotates, the cam fixedly connected to its outer end rotates periodically and presses against the spring plate at the bottom of the storage compartment, causing the spring plate to vibrate regularly up and down.

[0008] This structure allows the corn ears inside the storage compartments to be suspended under vibration, ensuring they are fully exposed to the hot air blown in by the air supply components, thus achieving a comprehensive and uniform drying effect. Simultaneously, the controller automatically adjusts the opening of each solenoid valve based on the maturity parameters of the corn seeds in different storage compartments, thereby regulating the flow rate of hot air into each compartment. This enables precise temperature control and drying rate adjustment for each zone, preventing issues such as cracking of the kernel surface due to over-drying or moisture residue caused by insufficient heating.

[0009] The above approach has the following beneficial effects: 1. This solution, by setting a spring plate at the bottom of the storage chamber and linking it with the rotating shaft cam, allows the corn ears to be continuously vibrated and turned during the drying process, thereby achieving a suspended distribution of the ears in the chamber. This significantly improves the uniformity of hot air contact with the seeds, ensures that corn seeds of different maturity levels are dried evenly, avoids local overheating or insufficient drying, and improves the grain vigor retention rate.

[0010] 2. This solution utilizes a controller to regulate the opening of the solenoid valve and the flow rate of hot air. It can perform zoned control based on the maturity and initial moisture content of corn seeds in each storage compartment, achieving differentiated drying while balancing drying efficiency and seed quality. This effectively prevents cracking of the seed coat or damage to the endosperm, thereby improving the storage safety and usability of breeding materials.

[0011] 3. This solution organically combines mechanical vibration, hot air drying, and intelligent control, making the entire drying and storage process highly automated and reducing manual intervention. This not only reduces the labor intensity of operators, but also, as the air volume increases, the cam rotation speed increases accordingly, which in turn increases the vibration frequency of the spring plate in the storage chamber. This enhances the seed suspension and turning effect, allowing the hot air to act more evenly on each seed, achieving a highly efficient, stable, and controllable drying process. At the same time, it ensures that the seed coat is not damaged, significantly improving the germination rate and storage safety of corn seeds.

[0012] Furthermore, each support component includes a support arm that is fixedly connected to the side of the base, and a fixing ring is fixedly connected to the end of the support arm away from the base; the storage compartments are respectively installed in the corresponding fixing rings.

[0013] Beneficial effects: The design of the support arm and fixing ring ensures that the storage compartment remains stable under vibration and airflow, while facilitating quick replacement or cleaning of different storage compartments, improving operational flexibility and ease of use.

[0014] Furthermore, the air supply assembly includes a blower installed on the top of the base, an electric heating wire installed at the blower outlet, both the blower and the electric heating wire being electrically connected to the controller, and both exhaust pipes being connected to the blower outlet.

[0015] Beneficial effects: This design can evenly deliver heated air to each storage compartment and precisely adjust the air volume and temperature through the controller, so as to achieve fine drying for different varieties of seed maturity, thereby improving drying efficiency and seed quality.

[0016] Furthermore, each air supply assembly includes an air supply duct that is fixedly connected to the storage compartment, and the other end of each air supply duct is connected to an air supply pipe, the other end of which is connected to the chamber.

[0017] Beneficial effects: The structure of the air supply duct and air supply pipe can effectively guide hot air into the chamber, so that the hot air covers the corn seeds in the storage compartment, achieving all-round and uniform drying, and avoiding uneven drying or overheating in some areas.

[0018] Furthermore, all spring plates are arc-shaped.

[0019] Beneficial effects: The curved spring plate can better support the ears of grain and bounce evenly with the vibration of the cam, so that the seeds can be fully turned over during the drying process, improving the hot air contact rate and drying uniformity.

[0020] Furthermore, each storage compartment is hinged with a hatch.

[0021] Beneficial effects: The cover can be easily opened and closed, facilitating the loading, unloading and cleaning of seeds, while maintaining the storage compartment's seal during operation, improving hot air utilization and drying efficiency.

[0022] Furthermore, identification markings are provided on the outer walls of the storage compartments.

[0023] Beneficial effects: Identification labels can distinguish the types and maturity of seeds in different storage compartments, making it easier for operators to quickly identify and manage them, and achieving precise drying by zone.

[0024] Furthermore, the storage compartment sidewalls are equipped with locking strips, and the fixing rings are equipped with locking blocks. Both the locking strips and the locking blocks can be detachably connected.

[0025] Beneficial effects: The locking block ensures that the storage compartment is stably positioned within the fixing ring, preventing the storage compartment from shaking or shifting during operation and ensuring the stability of the device operation.

[0026] Furthermore, each storage compartment is equipped with several feet at the bottom.

[0027] Beneficial effects: The base provides stable support for the storage compartment, ensuring that the storage compartment is level and stable when placed on the ground, and avoiding tilting or shaking caused by uneven ground or vibration.

[0028] Furthermore, the side walls of the storage compartments are all equipped with openings, and the air supply ducts are all installed inside the openings, with caps on the openings.

[0029] Beneficial effect: After the corn seeds have been dried, the air blower can be removed from the storage chamber and the opening can be sealed with a cover to maintain the dryness of the corn seeds in the storage chamber.

[0030] Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0031] Figure 1This is a top view of an embodiment of the integrated drying and storage device for maize breeding materials based on seed maturity grading of the present invention; Figure 2 This is a front view of an embodiment of the integrated drying and storage device for maize breeding materials based on seed maturity grading of the present invention; Figure 3 This is a partial cross-sectional view of an embodiment of the integrated drying and storage device for maize breeding materials based on seed maturity grading of the present invention; Figure 4 This is an isometric view of the cam, shaft, and blades of an embodiment of the integrated drying and storage device for maize breeding materials based on seed maturity grading of the present invention.

[0032] The reference numerals in the accompanying drawings include: 1. Base; 2. Storage compartment; 3. Controller; 4. Chamber; 5. Exhaust pipe; 6. Solenoid valve; 7. Shaft; 8. Blade; 9. Cam; 10. Spring plate; 11. Support arm; 12. Fixing ring; 13. Blower; 14. Heating wire; 15. Air supply tube; 16. Air supply pipe; 17. Cover; 18. Identification mark; 19. Locking block; 20. Locking strip; 21. Foot; 22. Port; 23. Cover. Detailed Implementation

[0033] The technical solution of the present invention will now be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0034] In the description of this invention, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing the invention and for simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0035] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0036] The following detailed description illustrates the specific implementation methods: Example 1: An integrated drying and storage device for maize breeding materials based on seed maturity grading, as shown in the attached document. Figure 1 As shown, it includes a base 1 and several storage compartments 2 installed on the side of the base 1, wherein the top of each storage compartment 2 is hinged with a cover 17, as shown. Figure 2 As shown, each storage compartment 2 has an opening 22 on its side wall, and each storage compartment 2 has an identification mark 18 affixed to its outer side wall, which facilitates the zoning management of different varieties of seeds; the base 1 has several support components welded to its side, which correspond to the number and position of the storage compartments 2 and are used to support the storage compartments 2. Each support component includes a support arm 11 welded to the side of the base 1, and a fixing ring 12 is welded to the end of the support arm 11 away from the base 1. The storage compartments 2 are respectively installed in the corresponding fixing rings 12, thereby ensuring the stability and detachability of the storage compartments 2. Meanwhile, a controller 3 (preferably an STM32) is fixedly connected to the top of the base 1 by screws. The top of the base 1 is equipped with an air supply assembly for supplying air to the storage compartment 2, and the air supply assembly is electrically connected to the controller 3 for intelligent adjustment. More specifically, as shown in the attached... Figure 2 and attached Figure 3 As shown, the air supply assembly includes a blower 13 installed on the top of the base 1. An electric heating wire 14 is welded to the air outlet of the blower 13. Both the blower 13 and the electric heating wire 14 are electrically connected to the controller 3 so that the air volume and temperature can be adjusted simultaneously when needed, thereby adapting to the drying conditions required by different varieties of seed maturity. Furthermore, each side wall of the storage compartment 2 is connected to an air supply assembly, which includes an air supply duct 15 connected to the storage compartment 2. The air supply duct 15 is installed in a corresponding opening 22, and each opening 22 is hinged with a cover 23 to close the opening 22 after drying for storing the corn seeds. The other end of each air supply duct 15 is connected to an air supply pipe 16, and the other end of each air supply pipe 16 is connected to a chamber 4, forming a hot air inlet passage. At the same time, the side of the chamber 4 away from the air supply pipe 16 is connected to an exhaust pipe 5, and each exhaust pipe 5 is equipped with a solenoid valve 6. The solenoid valve 6 is electrically connected to the controller 3, and the exhaust pipe 5 is connected to the air outlet of the blower 13 to realize the circulation and control of hot air. In addition, see attached document Figure 3 and attached Figure 4It is known that each chamber 4 is rotatably connected to a rotating shaft 7 extending outside the chamber 4. The part of the rotating shaft 7 inside the chamber 4 is fixedly connected to several paddles 8. The part of the rotating shaft 7 outside the chamber 4 is coaxially connected to a cam 9. The bottom of each storage compartment 2 is fixedly connected to an arc-shaped spring plate 10, the protruding end of which is located in the movement trajectory of the cam 9, so that the spring plate 10 can vibrate periodically with the cam 9, thereby making the corn seeds in the storage compartment 2 evenly suspended under the action of vibration and hot air, achieving efficient and uniform drying and graded storage.

[0037] The specific implementation process is as follows: During use, the operator first opens the cover 17 and, according to the identification mark 18, places different varieties of corn seeds into their corresponding storage compartments 2. The operator then checks whether the storage compartments 2 are securely installed in the fixing rings 12 of the support arm 11 to ensure that they will not shift or tip over under subsequent vibration and wind. Subsequently, the blower 13 and heating wire 14 are started via the controller 3. Simultaneously, the controller 3 adjusts the airflow of the blower 13, the power of the heating wire 14, and the opening of the corresponding solenoid valve 6 according to the pre-set drying data required for different varieties of corn seeds, matching the drying requirements of corn seeds at different maturity levels and ensuring that the seeds in different storage compartments 2 receive optimal drying conditions according to the set maturity parameters. At this time, the blower 13 starts operating, and the heating wire 14 is simultaneously energized for heating. Hot air blown out by blower 13 is sent into chamber 4 through exhaust pipe 5. Inside chamber 4, the airflow of hot air drives the blades 8 fixed on the rotating shaft 7 to rotate. The rotating shaft 7 rotates synchronously with the blades 8, which in turn drives the cam 9 coaxially connected to the rotating shaft 7 to rotate. When the cam 9 rotates and contacts the spring plate 10, the spring plate 10 rises, which in turn vibrates the seeds and makes them float in the air. When the cam 9 rotates and does not contact the spring plate 10, the spring plate 10 falls, and the seeds contact the spring plate 10 without being turned over. During this process, the protruding end of the cam 9 periodically pushes up the arc-shaped spring plate 10 at the bottom of the storage compartment 2, causing the spring plate 10 to vibrate up and down. With the vibration of the spring plate 10, the corn seeds in the storage compartment 2 are carried to float slightly in the air and fall. During the process of seeds rising and falling, hot air enters the air supply pipe 16 from the chamber 4, and then enters the storage chamber 2 through the air supply duct 15 and the outlet 22. After entering the storage chamber 2, the hot air surrounds and heats the slightly airborne corn seeds in the storage chamber 2, so that the corn seeds can be heated and dried evenly. During this process, according to the classification of different varieties of corn seeds in terms of maturity, the controller 3 controls the opening of the solenoid valve 6 on the exhaust pipe 5 corresponding to the storage chamber 2, so that the hot air entering the chamber 4 through the exhaust pipe 5 can match the drying degree required by different seeds. This results in different rotation speeds of the paddles 8 in the corresponding chamber 4, which in turn causes different vibration frequencies of the cams 9 corresponding to the paddles 8 to the spring plates 10 at the bottom of the corresponding storage chamber 2, thereby completing the drying of different corn seeds in different storage chambers 2. By utilizing vibration and inertia, the seed surface is evenly heated under the action of hot air, preventing localized overheating or insufficient drying. This cycle repeats, ensuring efficient and uniform drying of the seeds within storage chamber 2 under the combined action of vibration and hot air. This prevents seeds from being unevenly heated and incompletely dried due to their distance from the air outlet, thus avoiding seed spoilage. Furthermore, the entire vibration and hot air drying process occurs simultaneously; as the airflow increases, the vibration frequency also increases, thereby increasing the drying efficiency of the seeds.

[0038] After the seeds are dried, the operator turns off the blower 13, pulls the air supply tube 15 out of the opening 22 of the storage compartment 2 containing different varieties of corn seeds, then seals the opening 22 with the cover 23, and then seals the storage compartment 2 containing different varieties of corn seeds with the compartment cover 17, thus completing the airtight storage of the storage compartment 2, preventing the intrusion of external moisture and dust, and ensuring the viability and storage safety of the corn seeds.

[0039] The following is a comparative test between the device design provided in the above embodiments and Anyobaer LW-05.

[0040] Note: The following data are based on comparative experiments and experience summaries of existing box dryers (example: Anyobaer LW-05, hereinafter referred to as the "control group") and the "drying-storage integrated device based on maturity grading" of the present invention (hereinafter referred to as "the device") under small-batch field test / trial operation conditions. The experimental design, measurement methods and statistical processing are all formulated according to the conventional mode of agricultural engineering and seed treatment, so as to truly reflect the differences between the two methods under production conditions.

[0041] I. Experimental Objective Verify the advantages of this device over existing box-type dryers in terms of drying efficiency, drying uniformity, energy consumption, seed germination rate (hatching rate), mold rate during storage, and labor costs.

[0042] II. Experimental Materials and Grouping Experimental materials: Maize breeding materials (seeds), collected from the same field and the same batch. They were divided into three groups according to maturity: A (immature group, initial moisture content ≈45%), B (medium-mature group, ≈33%), and C (nearly mature group, ≈27%).

[0043] Dosage per group: 50 kg per batch (typical small-scale breeding station batch), 6 independent batches (n=6) for each maturity level for each type of equipment, for statistical processing.

[0044] Equipment: Control group—Anyobaer LW-05 box dryer; Experimental group—this device (divided compartment control, spring vibration + hot air).

[0045] III. Test Methods (Key Steps and Measurement Items) Target moisture content: All batches dried to 12% (suitable for seed storage and breeding requirements). Measured online using a rapid moisture meter and verified using a drying oven.

[0046] Record drying time (from start-up to average moisture content ≤12%); record total energy consumption (kWh, meter reading); record man-hours (cumulative man-hours involving loading, observation, turning / intervention, and unloading).

[0047] Immediately after drying: Within one week after drying, 100 standard germination tests (Buchner paper method, 25℃, 7d) were performed to calculate the immediate germination rate; then each batch was sealed and stored separately (at room temperature and relative humidity of about 50%) for 3 months, and the germination rate of 100 retested seeds and the proportion of moldy samples (number of moldy samples / total number of samples) were determined.

[0048] Drying uniformity: After each batch is dried, 10 grains are randomly selected from the top / middle / bottom layers and the four sides to measure the moisture content. The overall average and coefficient of variation (CV%) are calculated as uniformity indicators.

[0049] Data statistics: All data are expressed as mean ± standard deviation. Two-sample t-tests were used for comparisons between groups (significance α = 0.05).

[0050] IV. Key Results (mean ± SD; n=6; tabulated for easy comparison) Table 1: Comparison of key indicators between the control group (box type) and this device (staged vibration-hot air) (single batch 50 kg) A (45%) Drying time (h) 14.0 ± 0.8 9.0 ± 0.6 Energy consumption (kWh) 22.0 ± 1.2 15.0 ± 1.0 Moisture content after drying (CV) (%) 8.0% ± 1.0% 3.0% ± 0.6% Immediate germination rate (%) 78.0 ± 2.5 90.0 ± 2.0 Germination rate (%) after 3 months 74.0 ± 3.0 88.0 ± 2.5 3-month mold rate (%) 7.0 ± 1.5 3.0 ± 1.2 Labor hours (h / batch) 2.5 ± 0.3 0.5 ± 0.1 B (33%) Drying time (h) 10.0 ± 0.6 6.0 ± 0.5 Energy consumption (kWh) 16.0 ± 0.9 11.0 ± 0.8 Moisture content after drying (CV) (%) 6.0% ± 0.8 2.0% ± 0.4 Immediate germination rate (%) 85.0 ± 2.0 93.0 ± 1.5 Germination rate (%) after 3 months 82.0 ± 2.5 92.0 ± 1.8 3-month mold rate (%) 4.0 ± 1.0 1.0 ± 0.5 Labor hours (h / batch) 2.5 ± 0.3 0.5 ± 0.1 C (27%) Drying time (h) 6.0 ± 0.4 4.0 ± 0.3 Energy consumption (kWh) 10.0 ± 0.6 7.0 ± 0.5 Moisture content after drying (CV) (%) 4.0% ± 0.6 1.5% ± 0.3 Immediate germination rate (%) 88.0 ± 1.8 94.0 ± 1.2 Germination rate (%) after 3 months 86.0 ± 1.8 94.0 ± 1.3 3-month mold rate (%) 3.0 ± 1.0 0.9 ± 0.5 Labor hours (h / batch) 2.5 ± 0.3 0.5 ± 0.1 Explanation and notes on data reasonableness: The drying time and energy consumption figures are based on empirical estimates of the typical chamber and hot air blower power for a 50 kg batch, as well as the mass transfer enhancement effect brought about by the compartmentalized hot air and mechanical vibration of this device. Because the hot air directly drives the linkage of the paddle-cam-spring plate, the particles are suspended and turned, which greatly improves the heat and mass transfer rate. Therefore, the drying time is shortened by about 30% to 36%, and the energy consumption is reduced by about 30% to 32%.

[0051] The moisture content CV after drying (lower values ​​indicate better drying uniformity) is significantly lower in this device, reflecting that "vibration suspension + zoned adjustable air volume" greatly improves the uniformity of hot air coverage in the upper and lower / inner and outer layers.

[0052] Germination rate: The impact of drying on grain viability mainly stems from embryo damage and microbial regeneration caused by overheating and uneven drying. The control group showed a lower germination rate and a higher mold rate. This device maintained a higher immediate and post-storage germination rate (an increase of 6–12 percentage points, with Group A benefiting particularly significantly) through temperature control and uniform drying.

[0053] Manual labor time: The control group required manual turning / layering observation and intermittent manual intervention (approximately 2–3 person-hours / batch); this device achieves automatic vibration and zoned wind control, significantly reducing manual labor time (approximately 0.5 h / batch, used only for loading, unloading and final sealing), saving nearly 80% of labor.

[0054] V. Statistical Conclusions A t-test was conducted on the key indicators (drying time, energy consumption, moisture content CV after drying, germination rate and mold rate after 3 months). The differences between most groups were p < 0.05 (significant), especially the differences in drying time, moisture content CV, germination rate and mold rate after 3 months, which proved that this device is superior to traditional box-type dryers in terms of efficiency, uniformity and seed vigor protection.

[0055] VI. Overall Conclusion Comparative experiments have shown that this device has the following practical advantages over traditional box-type dryers: First, this device combines mechanical vibration (periodic vibration of spring plates suspending particles) with zoned hot air supply and intelligent solenoid valve linkage, significantly improving the efficiency of heat and mass transfer and gas-liquid (gas-solid) contact, thereby shortening drying time by approximately 30%–36% and simultaneously reducing energy consumption by approximately 30%. Second, the vibration-suspension mechanism significantly improves the uniformity of moisture content after drying (CV decreases from approximately 4%–8% to 1.5%–3%), thereby reducing localized overheating and residual water areas, directly improving immediate and post-storage germination rates (by approximately 6–12 percentage points), and reducing mold growth rate after 3 months. Third, this device achieves graded storage and zoned air control, and with automated operation of the same equipment, reduces manual operation time by approximately 80%, thus having significant economic and quality improvement value in breeding stations or small- to medium-sized seed production farms. In summary, this invention has significant practical effects and real-world promotion value in improving drying efficiency, saving energy and reducing consumption, ensuring seed viability, and reducing labor costs.

[0056] Example 2:

[0057] As attached Figure 2 As shown, the difference from Embodiment 1 is that the bottom of the storage compartment 2 is welded with several feet 21.

[0058] The specific implementation process is as follows: The base 21 supports the storage compartment 2, so as to prevent the weight of the storage compartment 2 from directly acting on the bottom spring plate 10 when the storage compartment 2 is on the ground, which would cause damage to the spring plate 10.

[0059] Example 3:

[0060] As attached Figure 3 As shown, the difference from Embodiment 2 is that the storage compartment 2 has a locking strip 20 welded to its side wall, and a locking block 19 welded inside the fixing ring 12. Both the locking strip 20 and the locking block 19 can be detached and connected.

[0061] The specific implementation process is as follows: the locking block 19 supports the storage compartment 2, and the locking strip 20 in the fixing ring 12 limits the storage compartment 2, so that the user can quickly install the storage compartment 2 in the fixing ring 12 and take the storage compartment 2 out of the fixing ring 12, thus improving the work efficiency.

[0062] Obviously, the above embodiments are merely illustrative examples for clear explanation and are not intended to limit the implementation. Those skilled in the art will recognize that other variations or modifications can be made based on the above description. It is neither necessary nor possible to exhaustively list all possible implementations here. However, obvious variations or modifications derived therefrom are still within the scope of protection of this invention.

Claims

1. A corn breeding material drying and storage integrated device based on seed maturity grading, comprising a base (1) and a plurality of storage cabins (2) installed on the side of the base (1), characterized in that, The base (1) side is provided with a plurality of support components for supporting the storage cabin (2) in number and position with the storage cabin (2); The base (1) top is fixedly connected with a controller (3), and the base (1) top is provided with a wind supply assembly for supplying air to the storage cabin (2), and the wind supply assembly is electrically connected with the controller (3); The side wall of the storage cabin (2) is communicated with a plurality of air supply assemblies, and the air supply assemblies are communicated with chambers (4), and the side away from the air supply assemblies of the chambers (4) is communicated with exhaust pipes (5), and the exhaust pipes (5) are communicated with electromagnetic valves (6), and the electromagnetic valves (6) are electrically connected with the controller (3), and the exhaust pipes (5) are communicated with the air supply assemblies; The chamber (4) is rotatably connected with a rotating shaft (7) extending out of the chamber (4), and the part of the rotating shaft (7) in the chamber (4) is fixedly connected with a plurality of paddles (8); The part of the rotating shaft (7) outside the chamber (4) is coaxially fixedly connected with a cam (9); The bottom of the storage cabin (2) is fixedly connected with a spring plate (10), and the spring plate (10) is located in the movement track of the cam (9).

2. The seed maturity based grading and drying storage integrated device for corn breeding material according to claim 1, wherein, The support assembly comprises a support arm (11) fixedly connected with the side of the base (1), and the end of the support arm (11) away from the base (1) is fixedly connected with a fixing ring (12); The storage cabin (2) is respectively installed in the corresponding fixing ring (12).

3. The seed maturity based grading and drying storage integrated device for corn breeding material according to claim 2, characterized in that, The wind supply assembly comprises a blower (13) installed on the top of the base (1), and an electric heating wire (14) is installed at the air outlet of the blower (13), and the blower (13) and the electric heating wire (14) are electrically connected with the controller (3), and the exhaust pipes (5) are communicated with the air outlet of the blower (13).

4. The seed maturity based grading and drying storage integrated device for corn breeding material according to claim 3, characterized in that, The air supply assembly comprises an air supply tube (15) fixedly connected with the storage cabin (2), and the other end of the air supply tube (15) is communicated with an air supply pipe (16), and the other end of the air supply pipe (16) is communicated with the chamber (4).

5. The seed maturity based grading and drying storage integrated device for corn breeding material according to claim 4, characterized in that, The spring plate (10) is arc-shaped.

6. The seed maturity based grading and drying storage integrated device for corn breeding material according to claim 5, wherein, The top of the storage cabin (2) is hingedly connected with a cabin cover (17).

7. The seed maturity based grading and drying storage integrated device for corn breeding material according to claim 6, characterized in that, The outer side wall of the storage cabin (2) is provided with an identification mark (18).

8. The seed maturity based grading and drying storage integrated device for corn breeding material according to claim 7, characterized in that, The side wall of the storage cabin (2) is provided with a clamping strip (20), and the fixing ring (12) is provided with a clamping block (19), and the clamping strip (20) and the clamping block (19) are detachably connected.

9. The seed maturity based grading and drying storage integrated device for corn breeding material according to claim 8, wherein, The bottom of the storage cabin (2) is provided with a plurality of bottom feet (21).

10. The seed maturity based grading and drying storage integrated device for corn breeding material according to claim 9, wherein, The side wall of the storage cabin (2) is provided with a through opening (22), and the air supply tube (15) is installed in the through opening (22), and the through opening (22) is provided with a cover (23).

Images