Thermal economic analysis of flue gas pre-drying lignite

WANG Zhichao; YAO Wei; ZHANG Xiaohong; MENG Yi; WANG Guifang

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Thermal economic analysis of flue gas pre-drying lignite

Thermal Power Generation Issue 5, (2016)

更新时间：2025-09-28

- Thermal economic analysis of flue gas pre-drying lignite
- 作者机构：
  
  西安热工研究院有限公司,陕西,西安,710054
- 作者简介：
- 基金信息：
- DOI：
  CLC： TK11
- Published Online：15 June 2016，
  
  Published：2016
- 稿件说明：
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WANG Zhichao, YAO Wei, ZHANG Xiaohong, et al. Thermal economic analysis of flue gas pre-drying lignite[J]. Thermal Power Generation, 2016, (5).
DOI：

WANG Zhichao, YAO Wei, ZHANG Xiaohong, et al. Thermal economic analysis of flue gas pre-drying lignite[J]. Thermal Power Generation, 2016, (5). DOI：

摘要

将高温烟气滚筒干燥装置与机组锅炉系统耦合

建立了高温烟气干燥褐煤理论分析计算模型

提出了预干燥所需高温烟气流量与机组经济性评价方法。计算结果表明:采用烟气预干燥技术可将水分为38％的褐煤分别干燥到水分为27％

20％和14％

机组发电标准煤耗分别降低1.39

2.10

0.96 g/(kW・h)；烟气预干燥褐煤机组排烟温度每降低1 ℃

发电标准煤耗约减少1.3 g/(kW・h)；褐煤预干燥程度应结合锅炉排烟热损失与干燥机热损失综合考虑，以实现机组最佳经济性。

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