海水淡化太阳能蒸馏技术研究现状与展望

Present situation and prospect of researches on solar distillation technology for seawater desalination

介绍了海水淡化太阳能蒸馏技术的背景、原理、特点,综述了太阳能蒸馏装置的研究进展,对太阳能蒸馏技术的研究方法和研究现状从技术原理、装置分类、装置性能、装置中自然对流系数确定、装置经济性评估等方面进行全面总结,指出传统太阳能蒸馏装置存在的主要问题是占地面积大,产水量过低,太阳能利用率不高,分析了导致其产水量过低的原因,并对未来海水淡化太阳能蒸馏技术进行了展望.

The background, principles and characteristics of the solar distillation technology for seawater desalination were introduced. Based on the smmmay of research progress in this field, the research methods and situation of the solar distillation technology for seawater desalination were reviewed from the aspects of the technical principles, the device classification, the device performance, the determination of the natural convection coefficients as well as the evaluation of economic means of the solar distillation devices. The existing problems of the traditional solar distillation technology were put forward： large area of the devices, low water yield and low utilization of solar energy. The causes for the low water yield were analyzed. The solar distillation technology for seawater desalination in the future was prospected.