抽汽熔盐蓄热技术在煤电灵活性改造中的应用研究

Application Research of Steam Extraction Molten Salt Heat Storage Technology in Coal-fired Power Generation Flexibility Transformation

在“双碳”目标背景下,我国正加快新型能源体系建设,新能源将持续大规模发展,煤电正加速向基础保障性和系统调节性电源并重转型,其深度调峰能力面临更高的要求。抽汽熔盐蓄热技术因具备大规模应用的技术条件和产业基础、长时间储能和深度调峰的优势,在煤电灵活性改造中具有广阔的应用前景。基于此,本文系统分析了抽汽熔盐蓄热技术的应用原理、应用场景、技术指标以及适应性等内容,结合工程实例,对抽汽熔盐蓄热技术的方案设计、工艺参数以及经济评价进行详细介绍,将进一步促进其在煤电灵活性改造中的应用推广。

Under the"dual carbon"goal,China is accelerating the construction of a new energy system,new energy will continue to develop on a large scale,coal-fired power plants is transmitting to basic and regulated power sources,and its deep peak shaving ability faces more requirements.Due to its advantages in large-scale application,industrial foundation,long-term energy storage and deep peak shaving,the steam extraction molten salt heat storage technology has broad application prospects in the flexible transformation of coal-fired power plants.Based on this,this article systematically summarizes the application principle,main application scenarios,technical indicators and adaptability of the extraction molten salt heat storage technology.Combining with engineering examples,it provides a detailed introduction to the scheme design,process parameters and economic evaluation of the extraction molten salt heat storage peak shaving technology.This will promote the application and promotion of the extraction molten salt heat storage technology in the flexibility transformation of coal-fired power plants.