Thermodynamic calculation for an ultra supercritical boiler and its application

JIANG Xiaofeng

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Thermodynamic calculation for an ultra supercritical boiler and its application

Thermal Power Generation Vol. 43, Issue 11, Pages: 126-131(2014)

更新时间：2025-09-28

- Thermodynamic calculation for an ultra supercritical boiler and its application
- 作者机构：
  
  上海发电设备成套设计研究院
- 作者简介：
- 基金信息：
- DOI：
  CLC： TK229.2
- Published：2014
- 稿件说明：
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JIANG Xiaofeng. Thermodynamic calculation for an ultra supercritical boiler and its application[J]. Thermal Power Generation, 2014, 43(11): 126-131.
DOI：

JIANG Xiaofeng. Thermodynamic calculation for an ultra supercritical boiler and its application[J]. Thermal Power Generation, 2014, 43(11): 126-131. DOI：

摘要

受外循环影响

超超临界机组锅炉有多种热力计算流程。运用3种不同的锅炉热力计算流程分析了A电厂锅炉的再热器欠温问题

提出了末级再热器改造方案。改造后

再热蒸汽温度明显升高

末级再热器工质升温幅度由76℃提高到98℃

弥补了炉膛出口温度低于设计值引起的末级再热器换热损失。

Abstract

By taking a boiler in power plant A as an example

thermodynamic calculation process of the ultra supercritical boilers was analyzed.Affected by the external circulation

the ultra supercritical boilers have a variety of calculation processes.Three calculation processes were employed to investigate the insufficient reheater steam temperature of the boiler

and a transformation scheme for the final reheater was put forward.Check calculation for performance parameters of the retrofitted boiler was carried out

under three conditions with different gas components.The results show that

after the modification

the reheater steam increased dramatically and the temperature rise of the reheater working fluid increased from 76℃to 98℃.This transformation scheme compensates the heat transfer loss in the final reheater caused by low furnace outlet temperature.

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Related Author

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MEI Zhenfeng

CHEN Min

YAO Xiaolin

CHEN Baokang

SHI Yanzhou

BAI Wengang

YU Zaisong

Related Institution

Xi’an Thermal Power Research Institute Co., Ltd., Suzhou Branch

Xi’an Thermal Power Research Institute Co., Ltd.

Shenhua Guohua Electric Power Research Institute Company Limitied

Technical Information Center,Henan Electric Power Co.,Ltd.

Xi'an Thermal Power Research Institute Co.Ltd.

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