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谷子收获机风筛式清选装置试验

侯华铭 崔清亮 陈益胜 畅治兵

侯华铭,崔清亮,陈益胜,等.谷子收获机风筛式清选装置试验[J].农业工程,2022,12(8):93-98. doi: 10.19998/j.cnki.2095-1795.2022.08.016
引用本文: 侯华铭,崔清亮,陈益胜,等.谷子收获机风筛式清选装置试验[J].农业工程,2022,12(8):93-98. doi: 10.19998/j.cnki.2095-1795.2022.08.016
HOU Huaming,CUI Qingliang,CHEN Yisheng,et al.Experiment on air and screen cleaning device of foxtail millet combine harvester[J].Agricultural Engineering,2022,12(8):93-98. doi: 10.19998/j.cnki.2095-1795.2022.08.016
Citation: HOU Huaming,CUI Qingliang,CHEN Yisheng,et al.Experiment on air and screen cleaning device of foxtail millet combine harvester[J].Agricultural Engineering,2022,12(8):93-98. doi: 10.19998/j.cnki.2095-1795.2022.08.016

谷子收获机风筛式清选装置试验

doi: 10.19998/j.cnki.2095-1795.2022.08.016
基金项目: 国家重点研发计划项目(2016YFD0701801);山西省优秀博士来晋工作奖励资金科研项目(SXYBKY2019050);山西省高等学校科技创新项目(2020 L0161);山西农业大学科技创新基金项目(2020BQ48)
详细信息
    作者简介:

    侯华铭,讲师,博士,主要从事旱作农业机械关键技术与装备和食品加工机械研究 E-mail:gxyhhm@163.com

    崔清亮,通信作者,教授,博士生导师,主要从事旱作农业机械化关键技术与装备研究E-mail:qlcui@126.com

  • 中图分类号: S225.31

Experiment on Air and Screen Cleaning Device of Foxtail Millet Combine Harvester

  • 摘要:

    为了减少谷子联合收获的清选损失,对谷子收获机风筛式清选装置进行了试验分析。运用参数可调的风筛式谷子清选装置,以清选风速、风向、筛分振幅和曲柄转速为试验因素,以籽粒损失率和含杂率为试验指标,对谷子联合收获机脱出物进行了清选试验。试验结果表明:籽粒损失率随清选风速、筛分振幅、曲柄转速的增大而增大,随清选风向角度的增大呈先增大后减小再增大趋势;含杂率随清选风速、筛分振幅、曲柄转速的增大而减小,随清选风向角度的增大呈先减小后增大再减小趋势;最优清选工作参数为清选风速4.19 m/s、清选风向30.3°、筛分振幅22 mm和曲柄转速218 r/min,籽粒损失率为2.02 %,含杂率为8.01 %。该研究为谷子联合收获机清选装置结构与工作参数设计提供参考。

     

  • 图 1  清选装置结构

    1. 送料电机 2. 输送带 3. 挡板 4. 送料变频器 5. 振动筛变频器 6. 风机变频器 7. 防护篷 8. 振动筛电机 9. 可调曲柄 10. 筛箱 11. 清选室12. 籽粒收集箱 13. 毕托管 14. 毕托管支架 15. 风速仪 16. 风向调节装置 17. 空气导管 18. 进风口防杂网 19. 风机 20. 操作台

    Figure 1.  Structure of cleaning device

    图 2  清选装置实物

    Figure 2.  Actual diagram of cleaning device

    图 3  清选参数与籽粒损失率的关系

    Figure 3.  Relationship between cleaning parameters and kernel loss rate

    图 4  清选参数与含杂率的关系

    Figure 4.  Relationship between cleaning parameters and impurity rate

    表  1  清选装置技术参数

    Table  1.   Technical parameter of cleaning device

    技术指标参数
    喂料部件输送带尺寸(长×宽×厚)/(mm×mm×mm)4 200 ×500 × 2
    物料输送速度调节范围/(m•s−10~2.2
    风机型号DWF450S2-6型外转子双进风离心风机,流量12 000 m3/h,全压700 Pa,叶轮直径450 mm,电机功率4 kW,电压380 V,额定转速900 r/min
    输出风速调节范围/(m•s−10~25
    风向角度调节范围/(°)25~45
    振动筛类型双层筛,筛倾角5°,振动方向角6°
    包架筛网尺寸(长×宽)/(mm×mm)1 000×500
    筛网型式鱼鳞筛、编织筛、冲孔筛等
    筛分振幅调节范围/mm0~40
    驱动机构曲柄转速调节范围/(r•min−10~900
    风速仪型号DP2000型智能风速风压风量仪,便携式
    毕托管型号YCL-08-300,L型毕托管,外径8 mm,长度300 mm
    防护篷尺寸(长×宽×高)/(m×m×m)3.0×3.0×2.5,支架撑杆采用35 mm×35 mm方管
    下载: 导出CSV

    表  2  清选试验因素和水平

    Table  2.   Cleaning test factor and level

    清选风速/
    (m·s−1
    清选风向/
    (°)
    筛分振幅/
    mm
    曲柄转速/
    (r·min−1
    4.02520170
    4.53025200
    5.03530230
    5.54035260
    下载: 导出CSV

    表  3  正交试验因素和水平

    Table  3.   Orthogonal test factors and levels

    清选风速A/(m·s−1清选风向B/(°)筛分振幅C/mm曲柄转速D/(r·min−1
    4.02520170
    4.53025200
    5.03530230
    下载: 导出CSV

    表  4  正交试验结果

    Table  4.   Orthogonal test results

    序号清选风速
    A /(m·s−1
    清选风向
    B /(°)
    筛分振幅
    C/mm
    曲柄转速
    D /(r·min−1
    损失
    率/%
    含杂
    率/%
    14.525202001.088.85
    24.530301707.206.44
    34.030252306.626.67
    44.530201701.388.73
    54.535202002.108.45
    64.035252002.998.10
    74.530252003.078.07
    85.035252006.306.80
    95.025252005.717.03
    104.5253020013.623.92
    114.030202002.808.17
    124.5303023020.821.09
    135.030251705.767.01
    144.530252005.077.28
    154.530252004.937.33
    165.030202005.607.07
    174.5353020013.963.79
    185.0302523014.333.64
    194.530252003.038.08
    204.530202302.718.21
    214.0303020013.194.09
    224.025252003.457.92
    234.535252308.425.97
    244.030251702.978.11
    255.0303020015.363.23
    264.535251704.387.55
    274.530252005.097.27
    284.525251704.577.48
    294.525252305.187.24
    下载: 导出CSV
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出版历程
  • 收稿日期:  2022-04-09
  • 修回日期:  2022-06-15
  • 出版日期:  2022-08-20

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