摘要
以花生仁为对象,CF7+色选机为色选设备,研究色选机振动频率、病斑值、灵敏度等工作参数对色选机选净率、带出比的影响,以及色选工序前后花生仁纯质率、霉变率的变化。由正交试验得到花生仁色选的最优工艺条件为振动频率50 Hz、灵敏度10、病斑值120,在此条件下选净率达到99. 84%、带出比为41。通过色选,花生仁的纯质率由94. 22%提高至97. 99%,霉变率由0. 85%大幅度降低至0. 04%,大大提高了花生仁的品质和食用安全性。
Taking peanut kernel as the object,the effects of vibration frequency,disease spot value and sensitivity of CF7 + electro-optical sorter on the sorting net rate and error-sorting rate of sorter,and the pure rate and mildew rate of selected peanut kernel before and after the electro-optical sorting procedure were studied. The optimal conditions of sorter for peanut kernel were obtained by orthogonal experiment as follows: vibration frequency 50 Hz,sensitivity 10 and disease spot value 120. Under these conditions,the sorting net rate and error-sorting rate were 99. 84% and 41,respectively. Through electro-optical sorting procedure,the pure rate of peanut kernel increased from 94. 22% to 97. 99%,and the mildew rate sharply reduced from 0. 85% to 0. 04%,which greatly improved the quality and safety of peanut kernel.
引文
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