摘要
利用设计的真空红外辐射干燥箱,对中药材地黄进行了真空红外干燥研究。通过对试验值进行求对数并线性回归,确定了地黄的薄层真空红外干燥模型的形式为Modified Page方程,该模型与辐射板温度和干燥室压力有关,并得到了各参数的表达式和数值。试验值和模型预测值比较说明,该模型能很好地描述和预测地黄真空红外干燥的水分比变化规律。
Research on vacuum infrared radiation drying of Rehmanniae was carried out using an improved vacuum infrared radiation dryer.By means of logarithm of experimental data and linear regression,the pattern of thin-layer vacuum infrared drying model of Rehmanniae,which was related to the temperature of radiation board and pressure in the chamber,was set as Modified Page equation,and the expression and values of model parameters were also obtained subsequently.The model could describe and predict change regulation of moisture ratio very well according to the comparison of experimental values and calculated values.
出处
《农业机械学报》
EI
CAS
CSCD
北大核心
2010年第1期122-126,共5页
Transactions of the Chinese Society for Agricultural Machinery
基金
河南省杰出青年基金项目(084100510005)
关键词
地黄
真空红外辐射干燥
薄层干燥
数学模型
Rehmanniae Vacuum infrared radiation drying Thin-layer drying Mathematical model
