太阳能热化学转化技术研究进展

PROGRESS IN SOLAR THERMOCHEMICAL CONVERSION TECHNOLOGIES

利用热化学反应将太阳能转化为易存储的化学产品,是实现太阳能大规模连续利用的有效方式。聚光器和反应器是太阳能热化学转化系统的核心设备。该文首先基于热化学反应进行温度的不同,对典型的低、中、高温太阳能热化学转化系统进行介绍,并对不同温度段系统中常用的聚光器类型进行总结,同时简要评述不同太阳能热化学转化系统的优缺点和发展趋势;然后基于太阳能热化学转化过程中传热方式的差异,对直接辐射加热型和间接辐射加热型太阳能反应器的种类、结构、工作原理和研究进展进行阐述。

Converting solar energy into chemical products is an effective way to achieve large-scale and continuous utilization of solar energy.The collectors and reactors are core equipment of solar thermochemical conversion systems.Based on the thermochemical reaction temperatures,this paper firstly introduced the typical solar thermochemical conversion systems in the low,middle and high temperatures,and the concentrators used in those systems are summarized.At the same time,the advantages/disadvantages and the development trends of different solar thermochemical conversion systems are briefly reviewed.Then,based on the heat transfer mode between solar energy and reactants,the following aspects of direct and indirect radiation heating thermochemical reactors are described Containing of types,structures,working principles and research progress.