机采籽棉残膜静电分离装置分离试验

Separation test of electrostatic separating device for machine-harvested seed cotton and plastic film residue

摘要: 通过单因素试验考察了极板间距、分离电压、电极间距、荷电时间对籽棉残膜静电分离装置残膜分离率的影响，得到极板间距、分离电压、荷电时间对分离率影响显著。以残膜分离率为响应指标，利用3因素3水平的响应面分析法确定了各影响因素的最佳参数组合并建立了数学模型，试验表明：最佳的参数组合为荷电时间2.71 s，分离电压-30 kV，极板间距14.75 cm，此时分离率为96.8%。该文为进一步实现籽棉与残膜的有效分离提供依据。

Abstract: Effect of electrode plates interval, separation voltage, high voltage discharge electrode spacing and charge time on separation efficiency of electrostatic separating device for plastic film residue and seed cotton were studied by single factor experiments, the results showed that electrode plates interval, separation voltage, and charge time had a significant effect on separation efficiency. The separation rate conditions were optimized by response surface analysis at three factors and three levels, and the corresponding regression model was also established. The results showed that when the charge time was 2.71 s, the separation voltage was -30 kV, the electrode plates interval was 14.75 cm, they were best parameter combination and the separation rate was 96.8%. It can provide a foundation for further realizing efficient separation of plastic film residue and seed cotton