摘要
以350MW亚临界煤电机组为例,通过建立系统仿真模型,分析了煤电机组耦合熔盐储热系统的储热和放热方案,建立了评价指标体系,并对储热和释热过程进行了性能分析。研究结果表明:熔盐储热技术能有效提高现役煤电机组的深度调峰能力,实现热电解耦,优化电力系统的运行效率。经济性分析显示,通过合理设计和运行参数优化,熔盐储热系统在提高可再生能源利用率和电力系统稳定性方面具有显著优势。研究为熔盐储热技术在火电机组中的应用提供了理论依据和实践指导,对促进能源系统的可持续发展具有重要意义。
The study analyzes the heat storage and heat release schemes of the coupled molten salt heat storage system of the coal power unit by taking a 350MW subcritical coal power unit as an example,and establishes the evaluation index system and carries out a performance analysis of the heat storage and heat release process.The results show that the molten salt heat storage technology can effectively improve the deep peaking capacity of inservice coal power units,realize the thermal-electric decoupling,and optimize the operation efficiency of the power system.The economic analysis shows that through rational design and optimization of operating parameters,the molten salt thermal storage system has significant advantages in improving the utilization rate of renewable energy and the stability of the power system.This study provides theoretical basis and practical guidance for the application of molten salt thermal storage technology in thermal power units,which is of great significance in promoting the sustainable development of energy system.
作者
郝飞
吕翀
谭锐
邵峰
范卫东
HAO Fei;LYU Chong;TAN Rui;SHAO Feng;FAN Weidong(Guoneng Nanjing Electric Power Test&Research Limited,Nanjing 210023,China;School of Mechanical Engineering,Shanghai Jiao Tong University,Shanghai 200240,China)
出处
《锅炉技术》
北大核心
2025年第5期78-86,共9页
Boiler Technology
关键词
煤电机组耦合熔盐储热系统
性能分析
调峰
热电解耦
经济性分析
the coupled molten salt heat storage system of the coal power units
performance analysis
peak shaving
thermal-electric decoupling
economic analysis
