棕榈仁果仁机裂化分选工艺的开发与评价

A. Bakri, T. Ajayi, K. O. Oladerin, A. Mogbojuri
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摘要

本文研究了棕榈仁坚果在机械破碎机上的破碎和分选过程的开发和评价。棕榈仁油是一种重要的农产品,除了烹饪外,还具有广泛的用途。为了减少能源的开采,再加上从棕榈仁坚果中提取的产品的需求量经常很高,改进手工开裂和分选方法的必要性变得非常突出。机械裂化装置由裂化装置和分选装置两部分组成。为了避免棕榈螺母在加工过程中的疲劳失效和断裂,考虑了机械部件性能的试验研究。机械裂解装置的设计、制造和性能评估均采用本地采购的材料。它是用一个5马力的电动机来驱动机器,再加上皮带和滑轮。平均数据评估显示,未开裂的坚果占2.01%,部分开裂的坚果占2.36%,未开裂的坚果占93.58%,破碎的坚果占2.05%。裂化分选效率估计为94%,吞吐量确定为80kg/h,总棕榈仁回收率为85%。这说明该机器非常适合将棕榈仁仁与裂壳清晰完整地分离。
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Development and Assessment of Cracking and Sorting Processes of Palm Kernel Nut Machine
This paper presents a research on the Development and Assessment of the cracking and sorting processes of palm kernels nuts in a mechanical cracking machine. The palm kernel oil is an important agricultural produce, it has a wide range of usage aside from cooking. In attempt to reduce energy exploitation, in conjunction with the regular high rate of demand for products been extracted from palm kernel nut, the need to improve on the manual method of cracking and sorting became eminent. The mechanical cracker was made up of two units: the cracking and sorting unit. Experimental studies of properties of machine components were considered with the purpose of avoiding fatigue failure and fracture on the palm nuts during the processing duration. The mechanical cracker was designed, fabricated and performance evaluation carried out using locally sourced materials. It was developed with a 5hp electric motor to drive the machine coupled with belts and pulleys. The average data assessment shows a 2.01% of un-cracked nuts, 2.36% of partially cracked nuts, 93.58% of un-cracked nut and 2.05% broken nuts. The cracking-sorting efficiency was estimated at 94% and throughput capacity was determined to be 80kg/h while the overall palm kernel recovery efficiency was 85%. These suggest that the machine is very suitable for separating the palm kernel nuts from the cracked shells clearly and completely.
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