食品与发酵工业 >

2025 , Vol. 51 >Issue 4: 228 - 235

DOI: https://doi.org/10.13995/j.cnki.11-1802/ts.038850

研究报告

香菇分段变温干燥特性及动力学研究

  • 史蒙 ,
  • 陈柳 ,
  • 薛韩玲
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  • (西安科技大学 能源学院,陕西 西安,710000)
第一作者:硕士研究生(陈柳副教授为通信作者,E-mail:chenliu@xust.edu.cn)

收稿日期: 2024-02-06

  修回日期: 2024-04-14

  网络出版日期: 2025-03-10

基金资助

陕西省重点研发项目(2019NY-166)

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Drying characteristics and dynamics research of Lentinus edodes at segment variable temperatures

  • SHI Meng ,
  • CHEN Liu ,
  • XUE Hanling
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  • (College of Energy and Engineering, Xi'an University of Science and Technology, Xi'an 710000, China)

Received date: 2024-02-06

  Revised date: 2024-04-14

  Online published: 2025-03-10

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摘要

为提高香菇干燥品质、降低干燥能耗,探究了香菇分段变温干燥特性及干燥模型。以新鲜香菇为原料,完成了四阶段变温干燥工艺试验,并与3种恒温干燥对比,测定并分析水分比、干燥速率、比能耗、能效、复水比及微观结构。结果表明,分段变温热风干燥的干燥速率也分为4个阶段,均呈先增加后减小的趋势。相比3种恒温(50、55、60 ℃)热风干燥工艺,分段变温干燥比能耗最小,为1.931 kJ/g;能效最大,为1.239。采用6种经典干燥模型对香菇水分比进行分析,结果表明,Midili-kucuk模型能很好地描述香菇分段变温热风干燥水分比随干燥时间的变化规律。

关键词： 香菇; 热风干燥; 分段变温; 干燥模型

本文引用格式

史蒙 , 陈柳 , 薛韩玲 . 香菇分段变温干燥特性及动力学研究[J]. 食品与发酵工业, 2025 , 51(4) : 228 -235 . DOI: 10.13995/j.cnki.11-1802/ts.038850

Abstract

To improve the drying quality of Lentinus edodes and reduce the drying energy consumption, the drying characteristics and drying mathematical model of Lentinus edodes at segment variable temperatures were explored.Taking fresh Lentinus edodes as raw materials, the four-segment variable temperatures drying process experiment was completed and compared with three kinds of constant temperature drying.The moisture ratio, drying rate, specific energy consumption, energy efficiency, rehydration ratio, and microstructure were measured and analyzed.Results showed that the drying rate of segment variable temperatures hot air drying was also divided into four stages, which all increased first and then decreased.Compared with the three constant temperatures (50, 55, 60 ℃) hot air drying processes, the specific energy consumption of segment variable temperatures drying was the smallest, which was 1.931 kJ/g.The energy efficiency was the highest, which was 1.239.Six typical drying mathematical models were used to analyze the moisture ratio of Lentinus edodes.The results show that Midili-kucuk model could well describe the variation law of moisture ratio of Lentinus edodes with the drying time.

Key words： Lentinus edodes; hot air drying; segment variable temperatures; drying mathematical models

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