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基于EDEM的茶叶揉捻机参数优化及试验研究

  • 李兵 ,
  • 李为宁 ,
  • 柏宣丙 ,
  • 黄剑虹
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  • 1.安徽农业大学工学院,安徽 合肥 230036;
    2.安徽农业大学茶树生物学与资源利用国家重点实验室,安徽 合肥 230036;
    3.浙江上洋机械股份有限公司,浙江 衢州 324000
李兵,男,副教授,博士,主要从事茶园及茶叶机械方面的研究,libing@ahau.edu.cn

收稿日期: 2019-10-22

  修回日期: 2019-12-09

  网络出版日期: 2020-06-09

基金资助

国家重点研发计划(2018YFD0700504、2017YFD0400801)、安徽省教育厅自然重点项目(KJ2017A133)

Parameter Optimization and Experimental Study of Tea Twisting Machine Based on EDEM

  • LI Bing ,
  • LI Weining ,
  • BAI Xuanbing ,
  • HUANG Jianhong
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  • 1. School of Engineering, Anhui Agricultural University, Hefei 230036, China;
    2. State Key Laboratory of Tea Plant Biology and Utilization, Anhui Agricultural University, Hefei 230036, China;
    3. Zhejiang Sunyoung Machinery Co., Ltd, Quzhou 324000, China

Received date: 2019-10-22

  Revised date: 2019-12-09

  Online published: 2020-06-09

摘要

为解决目前茶叶在揉捻过程中揉捻质量不稳定的问题,以6CR-40型茶叶揉捻机为研究对象,基于Solidworks对茶叶揉捻机进行三维建模,运用离散元仿真软件EDEM对茶叶揉捻机的揉捻过程进行数值模拟,探求各试验因素对茶叶揉捻机性能指标的影响规律。运用二次正交旋转试验,通过Design-Expert软件进行优化求解,获得揉捻质量最佳的结构参数组合。结果表明,当揉桶转速为42 r·min-1、棱骨高度为10 mm、揉盘倾角为3.8°时,茶叶的成条率为88.55%、碎茶率为1.83%。茶叶揉捻机具有较好的揉捻质量。验证试验结果与仿真优化结果基本一致。

本文引用格式

李兵 , 李为宁 , 柏宣丙 , 黄剑虹 . 基于EDEM的茶叶揉捻机参数优化及试验研究[J]. 茶叶科学, 2020 , 40(3) : 375 -385 . DOI: 10.13305/j.cnki.jts.2020.03.008

Abstract

To solve the problems caused by unstable quality in the process of tea twisting, the 6CR-40 tea twisting machine was taken as the research object in this study. The three-dimensional modeling of tea twisting machine was established based on Solidworks. The numerical simulation of the twisting process of tea twisting machine was carried out by the discrete element simulation software EDEM. The influences of various experimental factors on the performance indexes of tea twisting machine were obtained. The quadratic orthogonal rotation test was carried out and the Design-Expert was used to optimize the solution and obtain the best combination of structural parameters of twisting quality. The results showed that: when the twisting barrel rotational speed, the prismatic height, twisting plate inclination angles, forming rate of tea and breaking rate of tea were 42 r·min-1, 10 mm, 3.8°, 88.55% and 1.83% respectively, the tea twisting machine had a good quality of twisting. The results of verification test and simulation optimization were basically consistent.

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