Design and test of vertical banana straw crushing and returning machine based on piranha tooth structure

IF 1 4区工程技术 Q3 ENGINEERING, MULTIDISCIPLINARY Journal of the Chinese Institute of Engineers Pub Date : 2023-06-29 DOI:10.1080/02533839.2023.2227870

Yue Li, Zihan Wu, Yuan Li, Chaofan Guo, Shi-bo Wei

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Abstract

ABSTRACT To improve the banana straw crushing rate, a new vertical shaft opposite-cut banana straw crushing and returning machine was designed. This study analyzed the structural characteristics of piranha teeth. Inspired by this, a bionic blade was designed to improve work efficiency. Through theoretical analysis, the main structural parameters of the key crushing components were determined. The main factors affecting banana straw crushing of the crusher were the forward speed of the machine, the rotational speed of the crushing shaft, and bending angle of the crushing blade. A three-factor three-level field test was carried out to obtain the optimal values for these parameters. The results showed that the optimal combination was the forward speed of 1.45 m/s, a rotational speed of 1600 r/min, and a bending angle of 150°. The qualified rate of straw crushing was 93.89% under the optimal working parameters. Repeated experiments showed that the optimal combination could meet the standard requirements. In conclusion, the new vertical straw crushing machine and its optimization of the selected parameters significantly improved banana straw crushing rate.

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基于食人鱼齿结构的立式香蕉秸秆破碎回收机的设计与试验

摘要为提高香蕉秸秆破碎率，设计了一种新型立式对切香蕉秸秆破碎回收机。本研究分析了食人鱼牙齿的结构特征。受此启发，仿生刀片被设计用于提高工作效率。通过理论分析，确定了关键破碎部件的主要结构参数。影响破碎机粉碎香蕉秸秆的主要因素是机器的前进速度、破碎轴的转速和破碎叶片的弯曲角度。通过三因素三水平的现场试验，得到了这些参数的最优值。结果表明，最优组合为前进速度1.45 m/s，转速1600 r/min，弯曲角度150°。在最佳工作参数下，秸秆破碎合格率为93.89%。反复试验表明，最优组合能满足标准要求。综上所述，新型立式秸秆破碎机及其所选参数的优化，显著提高了香蕉秸秆破碎率。

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来源期刊

Journal of the Chinese Institute of Engineers 工程技术-工程：综合

CiteScore

2.30

自引率

9.10%

发文量

审稿时长

6.8 months

期刊介绍： Encompassing a wide range of engineering disciplines and industrial applications, JCIE includes the following topics: 1.Chemical engineering 2.Civil engineering 3.Computer engineering 4.Electrical engineering 5.Electronics 6.Mechanical engineering and fields related to the above.