自动化茶叶炒干机的设计与性能试验  被引量:2

Design and performance test of automatic tea fryer

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作  者:赵晨 曹成茂[1,2] 葛俊 刘世雄[1,2] 吴正敏 孙燕 ZHAO Chen;CAO Chengmao;GE Jun;LIU Shixiong;WU Zhengmin;SUN Yan(School of Engineering,Anhui Agricultural University,Hefei 230036;Anhui Intelligent Agricultural Machinery Equipment En-gineering Laboratory,Hefei 210036;State Key Laboratory of Tea Plant Biology and Resource Utilization,Anhui Agricultural University,Hefei 230036;School of Tea and Food Science and Technology,Anhui Agricultural University,Hefei 230036)

机构地区:[1]安徽农业大学工学院,合肥230036 [2]安徽省智能农机装备实验室,合肥230036 [3]安徽农业大学茶树生物学与资源利用国家重点实验室,合肥230036 [4]安徽农业大学茶与食品科技学院,合肥230036

出  处:《安徽农业大学学报》2022年第5期823-831,共9页Journal of Anhui Agricultural University

基  金:安徽省重大科技专项(18030701195);安徽省农业农村厅安徽省茶叶产业技术体系资金项目(21805070);安徽省教育厅重点项目(KJ2020A0133)共同资助。

摘  要:针对目前茶机炒茶不均匀、炒干后茶叶碎茶率较高、品质不佳等问题,设计了一种自动化茶叶炒干机。在阐述机器工作原理的基础上,根据理论计算确定炒干装置关键部件的结构参数,在此基础上对样机进行制作。为进一步探究自动化茶叶炒干机工作时的最佳工作参数,以茶叶在炒干装置内运动速度、分离比、茶叶温升速率为指标,通过离散元仿真软件EDEM分析翻草筋数量、各工作参数对于炒干机炒干效果的影响。利用Design-Expert软件进行回归分析和响应曲面分析,并进行验证实验,确立炒干性能的最佳参数组合为:滚筒转速为19r·min^(-1),炒干温度为184℃,炒干时间为80 min,此时平均含水率为5.47%,碎茶率为1.82%。该设计满足茶叶加工工艺要求,并为茶叶炒干机推广应用提供技术参考。Aiming at the problems of uneven tea frying,high tea crushing rate and poor quality of tea after frying,an automatic tea frying machine was designed.According to the theoretical calculation,the structural parameters of the key components of the drying device were determined,and prototype production was carried out on this basis.In order to further explore the optimal working parameters of the automatic tea frying machine,taking the number of turning bars,the movement speed,separation ratio and tea temperature rise rate of tea in the frying device as indicators,the influence of various working parameters on the frying effect of the frying machine was analyzed by the discrete element simulation software EDEM.Regression analysis and response surface analysis were carried out by using design expert software,and validation tests were carried out.The best parameter combination of frying performance was established as follows:drum speed was 19 r·min^(-1),frying temperature was 184℃,frying time was 80 min,average moisture content was 5.47%and broken tea rate was 1.82%.The design meets the requirements of tea processing technology,and provides a technical reference for the popularization and application of tea frying machine.

关 键 词:茶叶 炒干机 EDEM 正交试验 含水率 碎茶率 

分 类 号:S226.9[农业科学—农业机械化工程]

 

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