玫瑰花瓣压花材料热风干燥动力学模型

doi:10.16333/j.1001-6880.2015.06.018

天然产物研究与开发 ›› 2015, Vol. 27 ›› Issue (6): 1037-1041.doi: 10.16333/j.1001-6880.2015.06.018

玫瑰花瓣压花材料热风干燥动力学模型

谭颖1，陈国菊1，程玉瑾1，袁爱群2*，马少妹2，韦冬萍2

1 华南农业大学园艺学院，广州510642；2 广西民族大学化学化工学院，南宁530006

出版日期:2015-06-30 发布日期:2015-07-10

Dynamic Model of Hot-Air Drying for Rose Petals as Pressed Flower Materials

TAN Ying1, CHEN Guo-ju1, CHENG Yu-jin1, YUAN Ai-qun2*, MA Shao-mei2, WEI Dong-ping2

1 College of Horticulture,South China Agricultural University,Guangzhou 510642,China; 2 College of Chemistry and Chemical Engineering,Guangxi University for Nationalities,Nanning 530006,China

Online:2015-06-30 Published:2015-07-10

摘要/Abstract

摘要： 采用热风干燥获得压花用玫瑰花瓣，研究热风干燥温度、时间对玫瑰花瓣干燥特性、压花艺术美观性的影响，采用SEM表征玫瑰花瓣干燥过程表面微观形态特征，以期建立干燥过程动力学模型并计算动力学参数。结果表明，在试验设计温度范围内，热风干燥温度越高，时间越长，越有利于降低花瓣的水分，但会降低花瓣的艺术美观性，在热风40 ℃、840 min下干燥，可以获得具有较好艺术美感的玫瑰花瓣压花材料；干燥过程的有效扩散系数为2.524×10^-10 m²/s，活化能为11.322 kJ/mol，动力学模型可用薄层干燥Page 模型来描述。

关键词: 玫瑰花瓣, 压花, 干燥动力学, 热风干燥

Abstract: The rose petals were dried by hot-air drying to obtain the pressed flower materials.The influences of temperature or drying time on the drying characteristics,artistic beauty of rose petals were studied.Micromorphology of rose petals was characterized by SEM.The drying dynamic model was established by statistical analysis and the dynamic parameters were also calculated.The results showed that in the temperature range of experimental design,the rose petals drying rate was increased with the increasing of temperature or drying time.However,the higher temperature or longer drying time was not useful to improve the artistic beauty of rose petals.The artistic beauty of rose petals can be obtained under the drying condition of temperature 45 ℃,840 min.Connect modeling coefficients of the hot air drying was 2.524×10^-10 m²/s.Activation energy was 11.322 kJ/mol.The thin layer drying page model was suitable for describing the drying process of pressed rose petals by hot-air drying.

Key words: rose petals, pressed flower, drying dynamic model, hot-air drying

中图分类号:

S375

谭颖1，陈国菊1，程玉瑾1，袁爱群2*，马少妹2，韦冬萍2. 玫瑰花瓣压花材料热风干燥动力学模型[J]. 天然产物研究与开发, 2015, 27(6): 1037-1041.

TAN Ying1, CHEN Guo-ju1, CHENG Yu-jin1, YUAN Ai-qun2*, MA Shao-mei2, WEI Dong-ping2. Dynamic Model of Hot-Air Drying for Rose Petals as Pressed Flower Materials[J]. NATURAL PRODUCT RESEARCH AND DEVELOPMENT, 2015, 27(6): 1037-1041.

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玫瑰花瓣压花材料热风干燥动力学模型

Dynamic Model of Hot-Air Drying for Rose Petals as Pressed Flower Materials

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