电力勘测设计Issue(5)：1-7,81,8.DOI:10.13500/j.dlkcsj.issn1671-9913.2025.05.001
基于熔盐储热的供热火电机组灵活性改造研究
Research on Flexibility Transformation of Cogeneration Units Based on Molten Salt Heat Storage
摘要
Abstract
This paper firstly constructs a physical model of thermal power generation units,and compares the calculated data of the model with the design data of THA,75%THA,and 50%THA operating condition of 300MW units to verify the accuracy of the model.Then,the ternary molten salt is used as the heat storage molten salt.After comparing multiple combined conditions of heat storage and release,the optimal working condition of the heat storage process is to extract the main steam and heating the condensate,and the optimal working condition of the heat release process is to directly produce steam by molten salt.Finally,taking the subcritical 300 MW reheating heating unit as an example,the scheme design and technical and economic evaluation of the molten salt heat storage system are carried out.The results showed that according to the peak shaving auxiliary service rules of Fujian Province,with an average load rate of 50%and an average peak shaving compensation price of 0.2 yuan/kWh,the total investment of the molten salt heat storage system is about 38.7 million yuan,and the static investment recovery period is about 21.2 years.关键词
熔盐储热/供热机组/调峰辅助服务Key words
molten salt heat storage/cogeneration unit/peak shaving auxiliary service分类
动力与电气工程引用本文复制引用
施承斌,张朋,汪枫,陈胤密,余建中..基于熔盐储热的供热火电机组灵活性改造研究[J].电力勘测设计,2025,(5):1-7,81,8.基金项目
中国电建集团福建省电力勘测设计院有限公司科技项目(35-KBYZ1-2023-007). （35-KBYZ1-2023-007）
