Experimental study on thin-layer microwave drying characteristics of Ximeng lignite

YI Ningtong; HUANG Zhihui; CHEN Ruiqi; ZHU Jiefeng; LIU Jianzhong

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Experimental study on thin-layer microwave drying characteristics of Ximeng lignite

Thermal Power Generation Issue 9, (2017)

更新时间：2025-09-28

- Experimental study on thin-layer microwave drying characteristics of Ximeng lignite
- 作者机构：
  
  浙江大学能源清洁利用国家重点实验室,浙江,杭州,310027
- 作者简介：
- 基金信息：
- DOI：
  CLC： TK16
- Published Online：30 September 2017，
  
  Published：2017
- 稿件说明：
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YI Ningtong, HUANG Zhihui, CHEN Ruiqi, et al. Experimental study on thin-layer microwave drying characteristics of Ximeng lignite[J]. Thermal Power Generation, 2017, (9).
DOI：

YI Ningtong, HUANG Zhihui, CHEN Ruiqi, et al. Experimental study on thin-layer microwave drying characteristics of Ximeng lignite[J]. Thermal Power Generation, 2017, (9). DOI：

摘要

为了能够系统地研究内蒙古锡盟褐煤微波干燥特性，对其不同粒径分布和微波输出功率下的微波薄层干燥特性进行了实验研究。结果表明：随着煤粉颗粒粒径和微波功率增大，试样干燥速率增大，干燥时间缩短；在不同微波输出功率和煤粉粒径分布下，试样的干燥特性曲线均存在快速加热阶段和降速干燥阶段；在常用的几种模型中，Midilli-Kucuk模型最适用于描述锡盟褐煤微波干燥特性；基于Fick第二定律获得的表面扩散系数随颗粒粒径和微波功率增加而增大，粒径增大时增幅尤为显著。

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