English

智能化农业装备学报(中英文) ›› 2021, Vol. 2 ›› Issue (1): 1-12.DOI: 10.12398/j.issn.2096-7217.2021.01.001

• •    下一篇

粉碎玉米秸秆输送装置设计与试验*

赵维松1,2, 陈永生1, 王振伟1, 马标1, 韩柏和1, 陈明江1   

  1. 1.农业农村部南京农业机械化研究所,南京市,210014;
    2.新疆农业大学机电工程学院,乌鲁木齐市,830052
  • 收稿日期:2021-03-04 出版日期:2021-05-15 发布日期:2021-11-30
  • 通讯作者: 陈明江,男,1984年生,江苏高邮人,副研究员;研究方向为农业装备工程技术。E-mail: cmj_cn@163.com
  • 作者简介:赵维松,男,1990年生,安徽六安人,博士研究生,助理研究员;研究方向为农业装备工程技术。E-mail: wszhao77@163.com
  • 基金资助:
    *中国农业科学院基本科研业务费专项(SR201914);国家重点研发计划(2016YFD0701304)

Design and experimental verification of conveying device for crushed cornstalks*

Weisong Zhao1,2, Yongsheng Chen1, Zhenwei Wang1, Biao Ma1, Baihe Han1, Mingjiang Chen1   

  1. 1. Nanjing Institute of Agricultural Mechanization, Ministry of Agriculture and Rural Affairs, Nanjing, 210014, China;
    2. College of Mechanical and Electrical Engineering, Xinjiang Agricultural University, Urumqi, 830052, China
  • Received:2021-03-04 Online:2021-05-15 Published:2021-11-30
  • Contact: Mingjiang Chen, Associate Researcher, research direction: agricultural mechanization engineering. E-mail: cmj_cn@163.com
  • About author:Weisong Zhao, Doctoral Candidate, Research Assistant, research direction: agricultural mechanization engineering. E-mail: wszhao77@163.com
  • Supported by:
    *Central Public-Interest Scientific Institution Basal Research Fund (SR201904); National Key Research and Development Program of China (2016YFD0701304)

摘要: 针对粉碎玉米秸秆输送过程中存在输送均匀性差、供料不稳定、易堵塞等问题,提出振动板和辊子定量出料相结合的设计思路,设计碎秸输送装置,通过理论分析确定关键结构参数。以拨料辊转速、偏心距、速比为试验因素,以输送效率和变异系数为评价指标,采用EDEM离散元仿真软件分别进行单因素试验和L9 (34)正交试验,获得各因素对碎秸输送性能的影响规律,确定最优参数组合为:辊子转速为30 r/min,偏心距为9 mm,速比为1。场地验证试验表明,在最优参数组合下,碎秸输送性能较好,碎秸输送效率为37.09 m3/h,变异系数为13.77%。实际试验结果与仿真结果一致,表明离散元仿真结果准确率较高。

关键词: 玉米秸秆, 粉碎, 输送

Abstract: In this study, considering the poor delivery uniformity, unstable feeding, and easy blockage during the delivery of crushed cornstalks, a straw conveying device was designed. A vibrating plate was combined with a shifting roller, the key structural parameters of which were determined via theoretical analysis.Based on the conveying efficiency and coefficient of variation, the primary factors of operational performance (poking roller speed, eccentric distance, and speed ratio) and the range of values for each factor were obtained via single-factor experiments using a discrete element simulation analysis software,EDEM. The optimal parameter combination was as follows: a poking roller speed of 30 r/min, an eccentric distance of 9 mm, and a speed ratio of 1. Five verification experiments were conducted using this combination.The experimental results indicated satisfactory performance of the conveying device for crushed cornstalk. The conveying efficiency was 37.09 m3/h, and the coefficient of variation was 13.77%. The experimental results were consistent with the simulation results, indicating that EDEM software optimization results are feasible and highly accurate.

Key words: cornstalk, crashed, conveying

中图分类号: