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Design and Experimental Testing of a Centrifugal Wheat Strip Seeding Device

Author

Listed:
  • Xingcheng An

    (School of Agricultural Engineering and Food Science, Shandong University of Technology, Zibo 255000, China)

  • Xiupei Cheng

    (School of Agricultural Engineering and Food Science, Shandong University of Technology, Zibo 255000, China)

  • Xianliang Wang

    (School of Agricultural Engineering and Food Science, Shandong University of Technology, Zibo 255000, China)

  • Yue Han

    (Zibo Investment Promotion Development Center, Zibo 255086, China)

  • Hui Li

    (Shandong Academy of Agricultural Machinery Sciences, Jinan 250010, China)

  • Lingyu Liu

    (School of Agricultural Engineering and Food Science, Shandong University of Technology, Zibo 255000, China)

  • Minghao Liu

    (School of Agricultural Engineering and Food Science, Shandong University of Technology, Zibo 255000, China)

  • Meng Liu

    (School of Agricultural Engineering and Food Science, Shandong University of Technology, Zibo 255000, China)

  • Xiangcai Zhang

    (School of Agricultural Engineering and Food Science, Shandong University of Technology, Zibo 255000, China)

Abstract

Wheat sowing has the characteristics of wide and short sowing periods, and there are situations in which the suitable sowing period is missed. In order to meet the needs of high-speed sowing, a centrifugal wheat strip seeding device was designed, the principle of which is that rotating parts were mainly composed of centrifugal concave plate and guide strip rotating in the shell to provide the mechanical force and drive the airflow and then realize high-speed seeding. The influence of the rotational speed of the seed discharging plate, the seed feed rate, and the dip angle of the guide strip on the distribution of the flow field and trajectory of seeds in the device was analyzed. The aerodynamic characteristics of seeds and the distribution of the gas-phase flow field inside the seed displacer under airflow were analyzed by CFD–DEM coupled simulation. The effects of three operating parameters on the coefficient of variation of sowing uniformity (CVSU) and the row-to-row seeding amount coefficient of variation (RSCV) were clarified, and the simulation results were verified by bench experiments after secondary optimization. When the centrifugal concave plate rotational speed, seed feed rate, and guide strip angle were 408 rpm, 4938 grains/s, and 69°, the results showed that CVSU and RSCV were 1.12% and 2.39%, respectively, which was in line with the standards for grain strip seeders stipulated. The designed seed discharge device can sow 3.4 ha per hour. This study provides a reference for research of centrifugal airflow-assisted high-speed seeding devices for wheat.

Suggested Citation

  • Xingcheng An & Xiupei Cheng & Xianliang Wang & Yue Han & Hui Li & Lingyu Liu & Minghao Liu & Meng Liu & Xiangcai Zhang, 2023. "Design and Experimental Testing of a Centrifugal Wheat Strip Seeding Device," Agriculture, MDPI, vol. 13(10), pages 1-17, September.
    • Handle: RePEc:gam:jagris:v:13:y:2023:i:10:p:1883-:d:1248155
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    References listed on IDEAS

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    1. Kezhi Li & Shufeng Li & Xiangdong Ni & Bo Lu & Binqiang Zhao, 2023. "Analysis and Experimental of Seeding Process of Pneumatic Split Seeder for Cotton," Agriculture, MDPI, vol. 13(5), pages 1-21, May.
    2. Vaidas Bivainis & Eglė Jotautienė & Kristina Lekavičienė & Ramūnas Mieldažys & Gražvydas Juodišius, 2023. "Theoretical and Experimental Verification of Organic Granular Fertilizer Spreading," Agriculture, MDPI, vol. 13(6), pages 1-18, May.
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    Cited by:

    1. Liguo Wei & Qi Wang & Kang Niu & Shenghe Bai & Liang Wei & Conghui Qiu & Nana Han, 2024. "Design and Test of Seed–Fertilizer Replenishment Device for Wheat Seeder," Agriculture, MDPI, vol. 14(3), pages 1-19, February.
    2. Weiwen Luo & Xulei Chen & Mingyang Qin & Kai Guo & Jie Ling & Fengwei Gu & Zhichao Hu, 2023. "Design and Experiment of Uniform Seed Device for Wide-Width Seeder of Wheat after Rice Stubble," Agriculture, MDPI, vol. 13(11), pages 1-18, November.
    3. Weiquan Fang & Xinzhong Wang & Changshun Zhu & Dianlei Han & Nan Zang & Xuegeng Chen, 2024. "Analysis of Film Unloading Mechanism and Parameter Optimization of Air Suction-Type Cotton Plough Residual Film Recovery Machine Based on CFD—DEM Coupling," Agriculture, MDPI, vol. 14(7), pages 1-19, June.

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