Design and experiment of cleaning device for Porphyra yezoensis seedling shell

doi:10.13733/j.jcam.issn.2095-5553.2024.09.015

Abstract

Abstract:

In view of the problem that manual washing is still used for the cultivation of Porphyra yezoensis seedlings and cleaning of shells in China，based on the automatic cleaning system of shells used in the previous study of Porphyra yezoensis seedlings，the structural parameters and working parameters of the cleaning device were optimized. Through theoretical calculation and analysis，the number of nozzles on the spray head，the installation height of the nozzle and the range of nozzle rotation angle were determined. The working parameters of the cleaning device were studied by experiments. The nozzle diameter，pump outlet pressure and nozzle swing times were used as experimental factors，and sensory score and water consumption were used as response indicators. A three.factor three.level experiment was designed by using Minitab software. The optimal parameter combination was determined through analysis and optimization of experimental results. The results showed that under the condition of pump outlet pressure of 17 MPa，nozzle diameter of 1. 3 mm and nozzle swing 2 times， the sensory score of shell cleaning effect was 0. 87 and water consumption was 40. 12 L. The optimized working parameters can not only meet the requirements of shell cleaning but also ensure low equipment cost.

Key words: Porphyra yezoensis, seedling shell, cleaning device, sensory score, water consumption

摘要：

针对我国紫菜育苗贝壳清洗仍采用人工洗刷的问题，在前期研究的紫菜育苗用贝壳自动化清洗系统的基础上，对其中的清洗装置进行结构参数和工作参数优化，通过理论计算分析，确定喷管上喷头的数量、喷管的安装高度和喷管转角范围，并对清洗装置的工作参数进行试验研究。以喷嘴直径、泵的出口压力和喷头摆动次数为试验因子，感官评分和耗水量作为响应指标，利用 Minitab软件设计三因素三水平试验，通过对试验结果进行分析优化，确定最佳参数组合。结果表明：清洗装置在泵出口压力为 17 MPa、喷嘴直径为 1. 3 mm、喷头摆动 2次条件下工作，育苗贝壳清洗效果的感官评分为 0. 87，耗水量为 40. 12 L，优化后的工作参数，既能满足贝壳的清洗要求，又能保证设备较低的使用成本。

关键词: 条斑紫菜, 育苗贝壳, 清洗装置, 感官评分, 耗水量

CLC Number:

S233. 9

Mao Binbin, Zhang Shiping, Chen Jinsong. Design and experiment of cleaning device for Porphyra yezoensis seedling shell[J]. Journal of Chinese Agricultural Mechanization, 2024, 45(9): 97-103.

毛彬彬, 张石平, 陈劲松. 条斑紫菜育苗贝壳清洗装置设计与试验[J]. 中国农机化学报, 2024, 45(9): 97-103.

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