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A Study of the Distribution of the Threshed Mixture by a Double Longitudinal Axial Flow Corn Threshing Device

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Listed:
  • Dong Yue

    (College of Agricultural Engineering and Food Science, Shandong University of Technology, Zibo 255200, China)

  • Qihuan Wang

    (College of Agricultural Engineering and Food Science, Shandong University of Technology, Zibo 255200, China)

  • Qinghao He

    (College of Agricultural Engineering and Food Science, Shandong University of Technology, Zibo 255200, China)

  • Duanxin Li

    (College of Agricultural Engineering and Food Science, Shandong University of Technology, Zibo 255200, China)

  • Qiming Yu

    (College of Agricultural Engineering and Food Science, Shandong University of Technology, Zibo 255200, China)

  • Duanyang Geng

    (College of Agricultural Engineering and Food Science, Shandong University of Technology, Zibo 255200, China)

  • Mingrui Li

    (College of Agricultural Engineering and Food Science, Shandong University of Technology, Zibo 255200, China)

Abstract

In order to determine the distribution pattern of the threshed mixture in the double longitudinal axial flow threshing device, single-factor experiments were conducted on the self-developed experimental platform for the double longitudinal axis threshing device. The experimental factors included drum speed, threshing clearance, and feed rate. The variations in the distribution of the threshed material along the axial and radial directions were examined. The results indicate that the mixed material after threshing exhibits uneven distribution both axially and radially. Along the axial direction, the mass of corn kernels initially increases and then decreases and is predominantly distributed in the front one-third section of the drum. Meanwhile, the mass of corn cobs continuously increases. In the radial direction, the mass of corn kernels and cobs is higher in the middle and on both sides, with the corn kernels being most concentrated in the middle and the corn cobs mostly on the sides. Combining the corn kernel breakage rate and the unthreshed rate, the optimal operating conditions were determined as follows: a drum speed of 400 r/min, a concave clearance of 50 mm, and a feed rate of 16 kg/s.

Suggested Citation

  • Dong Yue & Qihuan Wang & Qinghao He & Duanxin Li & Qiming Yu & Duanyang Geng & Mingrui Li, 2024. "A Study of the Distribution of the Threshed Mixture by a Double Longitudinal Axial Flow Corn Threshing Device," Agriculture, MDPI, vol. 14(2), pages 1-13, January.
    • Handle: RePEc:gam:jagris:v:14:y:2024:i:2:p:166-:d:1324776
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    References listed on IDEAS

    as
    1. Zhenye Li & Jun Fu & Xiwen Luo, 2021. "Tensile Properties and Fracture Mechanisms of Corn Bract for Corn Peeling Device Design," Agriculture, MDPI, vol. 11(8), pages 1-16, August.
    2. Mohamed Anwer Abdeen & Abouelnadar Elsayed Salem & Guozhong Zhang, 2021. "Longitudinal Axial Flow Rice Thresher Performance Optimization Using the Taguchi Technique," Agriculture, MDPI, vol. 11(2), pages 1-14, January.
    3. Jianwei Fu & Gan Xie & Chao Ji & Weikang Wang & Yong Zhou & Guozhong Zhang & Xiantao Zha & Mohamed Anwer Abdeen, 2021. "Study on the Distribution Pattern of Threshed Mixture by Drum-Shape Bar-Tooth Longitudinal Axial Flow Threshing and Separating Device," Agriculture, MDPI, vol. 11(8), pages 1-15, August.
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