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Topic

Technologies and technical equipment for agriculture and food industry

Volume

Volume 62 / No.3 / 2020

Pages : 211-218

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EFFECT OF FAN’S PARAMETERS ON ADHESION MECHANISM OF THRESHED RAPE MIXTURE TO CLEANING SIEVE

风机参数对油菜脱出物与清选筛的粘附性影响

DOI : https://doi.org/10.35633/inmateh-62-22

Authors

Zhang Tao

Key Laboratory of Modern Agricultural Equipment and Technology, Jiangsu University; School of agricultural equipment engineering, Jiangsu University, Zhenjiang / China

(*) Li Yaoming

Key Laboratory of Modern Agricultural Equipment and Technology, Jiangsu University; School of agricultural equipment engineering, Jiangsu University, Zhenjiang / China

Xu Lizhang

Key Laboratory of Modern Agricultural Equipment and Technology, Jiangsu University; School of agricultural equipment engineering, Jiangsu University, Zhenjiang / China

Qing Yiren

Key Laboratory of Modern Agricultural Equipment and Technology, Jiangsu University; School of agricultural equipment engineering, Jiangsu University, Zhenjiang / China

(*) Corresponding authors:

[email protected] |

Li Yaoming

Abstract

In order to reduce the adhesion of moist threshed rape mixture and cleaning sieve, a method named “Hot-airflow Cleaning” has been proposed. Firstly, the key factors influencing anti-adhesion property were obtained based on the theoretical analysis. They were temperature, wind speed and fan inclination. Then, based on the single-factor experiments, the proper temperature of the fan was 30-50oC, the proper wind speed and inclination of the fan were 2-4 m/s and 15-45°, respectively. Finally, the fan’s parameters were optimized by Box-Behnken design. The results showed that the optimum technological parameters were temperature of 50 oC, a wind speed of 4 m/s and that fan inclination was 45°. This research could provide a reference for the improvement of cleaning system for rape combine harvesters.

Abstract in Chinese

为了降低湿脱粒油菜混合料与清选筛的粘附性,提出了一种“热风清选”的方法。首先,在理论分析的基础上,得出了影响防粘性能的关键因素:温度、风速和风机倾角。通过单因素试验得出风机的适宜温度为30~50℃,适宜风速为2~4m/s,倾角为15~45°。最后,采用Box-Behnken设计对风机参数进行了优化。结果表明,最佳工艺参数为温度50℃,风速4m/s,风机倾角45°。本研究可为油菜联合收获机清洗系统的改进提供参考。

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