Thermal economic analysis for double reheat units

WANG Hongjuan; TU Shan; LU Jingni; HONG Zhenhan

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Thermal economic analysis for double reheat units

更新时间：2025-09-28

- Thermal economic analysis for double reheat units
- Thermal Power Generation Issue 12, (2016)
- 作者机构：
  
  西安交通大学能源与动力工程学院,陕西,西安,710049
- 作者简介：
- 基金信息：
- DOI：
  CLC： TK212
- Published Online：27 December 2016，
  
  Published：2016
- 稿件说明：
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WANG Hongjuan, TU Shan, LU Jingni, et al. Thermal economic analysis for double reheat units[J]. Thermal power generation, 2016, (12).
DOI：

WANG Hongjuan, TU Shan, LU Jingni, et al. Thermal economic analysis for double reheat units[J]. Thermal power generation, 2016, (12). DOI：

摘要

针对典型超(超)临界一次再热机组

在新蒸汽参数和一次再热参数不变的基础上

以5台典型超(超)临界一次再热机组为母机型

叠加1个二次再热部分

构建了二次再热机组模型；采用做功系数法及汽轮机中蒸汽等熵膨胀过程线对二次再热理想循环热效率进行理论分析及数据计算。结果表明:不同机组最佳二次再热压力为一次再热压力的19%~23%；相同机组二次再热压力与一次再热压力比值的选取范围为15%~30%；在该压力范围内

二次再热理想循环热效率比一次再热高约1%。该结论为实际工程中二次再热压力的选取提供参考。

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