Numerical simulation on combustion of lignite semi-char in cyclone furnace

ZHANG Yong; ZHANG Yubin; YANG Tianliang; CHU Xiaoliang; FU Yuling; LI Gengda; LIU Hanqiang; GUO Hua

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Numerical simulation on combustion of lignite semi-char in cyclone furnace

更新时间：2025-09-28

- Numerical simulation on combustion of lignite semi-char in cyclone furnace
- Thermal Power Generation Issue 1, (2017)
- 作者机构：
  
  1. 烟台龙源电力技术股份有限公司,山东,烟台,264006
  2. 国电新能源技术研究院,北京,102209
- 作者简介：
- 基金信息：
- DOI：
  CLC： TK16
- Published Online：24 January 2017，
  
  Published：2017
- 稿件说明：
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ZHANG Yong, ZHANG Yubin, YANG Tianliang, et al. Numerical simulation on combustion of lignite semi-char in cyclone furnace[J]. Thermal power generation, 2017, (1).
DOI：

ZHANG Yong, ZHANG Yubin, YANG Tianliang, et al. Numerical simulation on combustion of lignite semi-char in cyclone furnace[J]. Thermal power generation, 2017, (1). DOI：

摘要

褐煤经低温热解后残余固体半焦的利用一直制约我国低阶煤分质转化和高效清洁利用的发展。本文采用旋风炉燃烧褐煤半焦的方法

通过Fluent软件模拟了不同过量空气系数下旋风炉模型内温度、速度、组分体积分数的分布情况

同时对焦炭转化率和NOx排放特性进行了研究。结果表明:本文所采用的数值模拟方法可以准确地描述褐煤半焦在旋风炉内的燃烧情况；过量空气系数在0.5~0.7时，半焦在旋风炉内的转化率均大于98.4%

且NOx排放质量浓度较低

最高仅为144 mg/m3。采用旋风炉燃烧可以实现褐煤半焦的高效清洁利用

对我国低阶煤转化利用的发展具有重要意义。

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