Performance Analysis and Testing of Spiral Quantitative Fertiliser Distributors in Orchards
文献类型： 外文期刊
作者： Wang, Xingyu 1 ; Tang, Yurong 1 ; Lan, Haipeng 1 ; Liu, Yang 1 ; Zeng, Yong 1 ; Tang, Zhihui 2 ; He, Yichuan 1 ; Zhang, Yongcheng 1 ;
作者机构： 1.Tarim Univ, Coll Mech Electrificat Engn, Alaer 843300, Peoples R China
2.Xinjiang Acad Agr Reclamat Sci, Mech Equipment Res Inst, Shihezi 832000, Peoples R China
关键词： agricultural machinery; orchards fertilizer fertilization; fertilizer distributor; discrete element; two spiral
期刊名称：APPLIED SCIENCES-BASEL （ 影响因子：2.7； 五年影响因子：2.9 ）
ISSN：
年卷期： 2023 年 13 卷 15 期
页码：
收录情况： SCI
摘要： This study designed two levels of quantitative fertilizer distribution to investigate precision fertilization applications in orchards in South Xinjiang, China, which have vast rows and narrow plant spaces. The machine comprised a base frame, a ditching device, a fertilizing apparatus and an earth-covering device. The design parameters of the flow stabilization screw, conveyor screw and single-ring fertilizer quantity were summarised using theoretical analysis. The single-ring fertilizer quantity of the conveyor screw was verified via an experiment by combining EDEM software. Three-factor and three-level Box-Behnken tests were conducted using the spiral rotation speed of the conveyor, advancing of the speed and the opening degree of fertilizer outlet as the test factors and using the coefficient of variation (CV) of uniformity as the test index-thus obtaining the optimal working parameters. The simulation test results revealed that the single-ring fertilizer quantity of the fertilizing apparatus was 145.6 g, fulfilling the design requirements. The prototype testing results showed that the CV of uniformity was 6.521% when the spiral rotation speed of the conveyor, the opening degree of the fertilizer outlet and the advancing speed were 66 RPM, 42% and 2.7 km/h-thus meeting the needs of precision fertilization operations. The two designed levels of the quantitative fertilizer distributors were applied to fertilization processes in orchards with wide-row spaces and narrow plant spaces in South Xinjiang, China and were able to effectively carry out the precision fertilization applications. These data could also provide references for the optimization of spiral quantitative fertilizer distributors.
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