Design And Experiment of Axial Air-Suction Drum Seed-Metering Device

  • Yu Qian Zhang Faculty of mechanical and electrical engineering, Yunnan Agricultural University, P. R. China
  • Cheng Yao Zhang Faculty of Mechanical and Electrical Engineering, Yunnan Agricultural University, P. R. China
  • Yu Wei Hu Faculty of Mechanical and Electrical Engineering, Yunnan Agricultural University, P. R. China
  • Long Chen Faculty of Mechanical and Electrical Engineering, Yunnan Agricultural University, P. R. China
  • Wencai Yang Faculty of Mechanical and Electrical Engineering, Yunnan Agricultural University, P. R. China
  • Hai Dong Zhang Faculty of Mechanical and Electrical Engineering, Yunnan Agricultural University, P. R. China
DOI: https://doi.org/10.30560/as.v4n2p66
Keywords: axial air-suction, drum, seed-metering device, Computational Fluid Dynamics(CFD), numerical simulation, experiment

Abstract

This study developed an axial air-suction drum seed-metering device without a special vacuum pump and associated pipeline facilities, greatly simplifying the structure of the air-suction drum seed-metering device, which aimed to solve the problems of complex structure and difficult maintenance of traditional air suction drum seed-metering device. The geometric model of the seed-metering device was established by SOLIDWORKS. In addition, numerical simulation tests were carried out on the seed-metering device based on CFD to verify the feasibility of the theoretical operation of the seed-metering device. The seed-metering device was processed and a test bench was built for physical testing, which verified the feasibility of the actual operation of the seed-metering device. The bench test results showed that when the fan speed reached 2100 rpm, the adsorption rate of the seed-metering device on tomato seeds, pepper seeds, and eggplant seeds reached more than 86.39%,87.22%, and 93.06%, respectively. Besides, when the fan speed reached 2400 rpm, the adsorption rate of the seed-metering device on tomato seeds, hot pepper seeds, and eggplant seeds all reached more than 95%, which demonstrated that the seed-metering device has good seed suction performance despite its straightforward design.

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Published
2022-12-16
Issue
Vol 4 No 2 (2022)
Section
Articles
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