变频技术及其在烟叶烘烤上的应用趋势

Frequency Conversion Technology and Its Application Trend in Tobacco Baking

密集烤房的循环风机是烟叶烘烤中的关键设备,对执行和实现烘烤工艺目标起着决定性作用。4/6级双速电机无法自动平滑控制风机调速,存在精度差、滞后严重等不足,无法满足烘烤中烟叶生理生化反应的需要。变频器具有卓越的调速性能,将变频器的无级调速功能等应用于烟叶烘烤,提高烘烤设备与烟叶烘烤工艺的吻合度,使设备提供的温度、湿度、风速等与烟叶衰老过程中的代谢规律高度吻合,从而能够使鲜烟叶的质量最大限度地得到彰显。

Circulating fan in dense curing barn is the key equipment in tobacco curing,which plays a decisive role in implementing and realizing the goal of curing technology.At present,the 4/6 levels two-speed motor cannot automatically control the speed of fan,and there are some shortcomings such as poor precision and serious lag.It cannot meet the needs of physiological and biochemical reactions of leaves during baking.Frequency converter has excellent speed regulation performance,such as applying stepless speed regulation power of frequency converter to tobacco curing,improving the cohesion between curing equipment and tobacco curing process,and making the temperature,humidity,wind speed provided by the equipment highly adhere to the metabolic law of tobacco leaf during aging process,in order to maximize the quality of fresh tobacco leaves.