Abstract
To mitigate the challenges associated with labor intensity and labor expenses in the rice seedling-raising process within greenhouses located in northern China, a comprehensive solution was developed in the form of a completely automated rice seedling-raising machine. The investigation of the first procedure was carried out through the utilization of EDEM software to ascertain the most favorable range of parameters. Performance tests were conducted on the automatic lifting machine designed for rice hard disk seedling cultivation. Based on the findings of the regression model, it can be inferred that when the rake angle is set at 21.278°, the locomotive speed is 0.333 m/s, and the longitudinal conveyor speed is 0.17 m/s, the completeness rate of seed trays reaches 99.48%. Additionally, the lifting efficiency is measured at 510 trays per hour, while the disk jam rate stands at 0.4%. These results indicate that the lifting machine satisfies the specified requirements.
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