设计一个由太阳能空气集热器和曲面菲涅尔透镜联合驱动的鼓泡加湿除湿型太阳能海水淡化系统,介绍该系统的结构和运行原理,对多曲面聚光器的聚光特性进行光学仿真分析,对装置各部件的能量进行平衡计算,测试系统在实际天气条件下的产水性能,给出太阳辐照度、装置运行温度和产水效率随时间的变化关系。当太阳辐照度平均为795 W/m2时,该装置集热管出口温度最高为64.8 ℃,产水量约为9.48 kg/d,整体系统热效率为43.5%。
Abstract
A bubbling humidification-dehumidification （HDH） desalination system is designed with combined heating by solar air heating collector and Fresnel lens. Firstly, the structure and operation principle of the system is introduced. Then, the optical simulation analysis of the solar air collector with multi-curved concentrator and the energy balance calculation of each component of the device are carried out. Finally, the freshwater productivity of the system under actual weather conditions is tested. And the relationship among the solar irradiance, operating temperature and freshwater productivity of the device with time is given. When the average solar irradiance is 795 W/m2, the highest outlet temperature of the solar collector tube is 64.8 ℃ with 9.48 kg/d of the freshwater productivity and 43.5% of thermal efficiency of the system.
关键词
太阳能聚光器 /
鼓泡 /
海水淡化 /
空气集热器 /
加湿除湿
Key words
solar concentrators /
bubble formation /
desalination /
air collector /
humidification-dehumidification
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基金
广西自然科学基金（2018GXNSFAA050139）
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