关键词: 太阳能, 界面蒸发, 基底宽度, 料液浓度, 蒸发速率

Abstract:

Solar energy is a clean and environmentally friendly renewable energy source, and applying solar energy to seawater desalination systems is an effective measure to solve the shortage of freshwater resources and energy crisis. In this paper, in order to investigate the effect of substrate width as well as feed concentration on evaporation performance, the experimental platform of the solar interfacial evaporation system was built, and experimental research on water transport performance of the substrate material and interfacial evaporation process of the combined evaporation structure was carried out. It is found that for the same concentration of the feed solution, when the transport water of the substrate structure is less than the interfacial evaporation demand, the evaporation rate increases with the increase of the substrate width; when the transport water meets the interfacial evaporation demand, the evaporation rate decreases with the increase of the substrate width; and the evaporation rate has a maximum value. And for the same substrate width, the evaporation rate decreases when the concentration of the feed solution increases; as the concentration of the feed solution increases, the maximum evaporation rate is shifted in the direction of increasing substrate width.

Key words: solar energy, interfacial evaporation, substrate width, liquid concentration, evaporation rate