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地黃真空紅外輻射干燥模型
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劉云宏,，博士生,，河南科技大學(xué)講師,，主要從事農(nóng)產(chǎn)品加工與貯藏工程研究,，Email: bec [email protected]

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河南省杰出青年基金項(xiàng)目（084100510005）


Model of Vacuum Infrared Radiation Drying on Rehmanniae
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    摘要:

    利用設(shè)計(jì)的真空紅外輻射干燥箱，對(duì)中藥材地黃進(jìn)行了真空紅外干燥研究,。通過對(duì)試驗(yàn) 值進(jìn)行求對(duì)數(shù)并線性回歸,，確定了地黃的薄層真空紅外干燥模型的形式為Modified Page方 程，該模型與輻射板溫度和干燥室壓力有關(guān),，并得到了各參數(shù)的表達(dá)式和數(shù)值,。試驗(yàn)值和 模型預(yù)測(cè)值比較說明，該模型能很好地描述和預(yù)測(cè)地黃真空紅外干燥的水分比變化規(guī)律,。

    Abstract:

    Research on vacuum infrared radiation drying of Rehmanniae was carried out u sing an improved vacuum infrared radiation dryer. By means of logarithm of experimen tal data and linear regression, the pattern of thinlayer vacuum infrared dryin g model of Rehmanniae, which was related to the temperature of radiation boa rd a nd pressure in the chamber, was set as Modified Page equation, and the expressio n and values of model parameters were also obtained subsequently. The model coul d describe and predict change regulation of moisture ratio very well according t o the comparison of experimental values and calculated values.

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劉云宏   ,朱文學(xué),馬海樂.地黃真空紅外輻射干燥模型[J].農(nóng)業(yè)機(jī)械學(xué)報(bào),2010,41(1). Liu Yunhong  ,Zhu Wenxue, Ma Haile. Model of Vacuum Infrared Radiation Drying on Rehmanniae[J]. Transactions of the Chinese Society for Agricultural Machinery,2010,41(1).

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