Coupled calculation model of thermal characteristics and metal temperature of a 5 MW supercritical carbon dioxide boiler

SU Hongliang; HUANG Ying; YIN Yaning; WANG Ting; GUO Xin; WANG Yupeng

doi:10.19666/j.rlfd.202001031

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Coupled calculation model of thermal characteristics and metal temperature of a 5 MW supercritical carbon dioxide boiler

更新时间：2025-09-28

- Coupled calculation model of thermal characteristics and metal temperature of a 5 MW supercritical carbon dioxide boiler
- Thermal Power Generation Vol. 49, Issue 10, Pages: 151-156(2020)
- 作者机构：
  
  1. 高效清洁燃煤电站锅炉国家重点试验室(哈尔滨锅炉厂有限责任公司)
  2. 哈尔滨锅炉厂有限责任公司
- 作者简介：
- 基金信息：
- DOI：10.19666/j.rlfd.202001031
  CLC： TK122
- Published Online：15 September 2020，
  
  Published：2020
- 稿件说明：
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SU Hongliang, HUANG Ying, YIN Yaning, et al. Coupled calculation model of thermal characteristics and metal temperature of a 5 MW supercritical carbon dioxide boiler[J]. Thermal power generation, 2020, 49(10): 151-156.
DOI：

SU Hongliang, HUANG Ying, YIN Yaning, et al. Coupled calculation model of thermal characteristics and metal temperature of a 5 MW supercritical carbon dioxide boiler[J]. Thermal power generation, 2020, 49(10): 151-156. DOI： 10.19666/j.rlfd.202001031.

摘要

超临界二氧化碳(S-CO_2)布雷顿循环逐渐成为国内外研究的热点。相对于传统蒸汽朗肯循环的广泛应用

S-CO_2锅炉的热力计算还缺乏相关研究。本文以某5 MW S-CO_2实验锅炉布置方案为例

将锅炉管道、炉膛、高温受热面作为串联管路

将热力特性与壁温进行耦合计算建立数值分析模型。该计算模型气温、壁温计算结果能够同时满足工程计算要求

对S-CO_2锅炉研究具有重要意义。

Abstract

Supercritical carbon dioxide(S-CO_2) Brayton cycle has been research hotspot at home and abroad. Compared with the wide application of conventional steam Rankine cycle

thermodynamic calculation of S-CO_2 boiler is still lack of study. In this paper

by taking the layout scheme of 5 MW S-CO_2 boiler as an example and combing the pipes

furnace and heating surface as a pipeline

numerical simulation model is established through coupling the unit thermal characteristics with tube wall temperature calculation. Both the work fluid temperature and tube wall temperature calculated by this model could satisfy the engineering demand

which has great significance for future work.

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