EXPERIMENTAL RESEARCH ON HALF-BURIED TUBULAR TYPE CONCENTRATING SOLAR DISTILLER FOR LAND IRRIGATION

Xiao Jianwei; Liang Shen; Li Zhengliang; Wang Ge; Chen Mingxian; Su Lingling

doi:10.19912/j.0254-0096.tynxb.2020-0786

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Acta Energiae Solaris Sinica ›› 2022, Vol. 43 ›› Issue (4) : 271-276. DOI: 10.19912/j.0254-0096.tynxb.2020-0786

Topics on Key Technologies for Safety of Electrochemical Energy Storage Systems and Echelon Utilization of Decommissioned Power Batteries

EXPERIMENTAL RESEARCH ON HALF-BURIED TUBULAR TYPE CONCENTRATING SOLAR DISTILLER FOR LAND IRRIGATION

Wang Ge¹, Chen Mingxian¹, Su Lingling¹, Xiao Jianwei², Liang Shen², Li Zhengliang¹

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Abstract

A half-buried tubular concentrating solar distiller, which is designed to supply freshwater to plant roots, is proposed in this paper. The design scheme and operating principle of the solar distiller are introduced. The optical performance of its solar concentrating unit is studied via optical simulations. The simulation results indicate that its solar concentrating unit has a broad light reception angle. The light receiving rate reaches nearly 65% when the light incident angle is about 30°. The solar distiller’s water production performance and operating temperature are tested under the actual weather conditions. The variation of operating temperature and water yield of the solar distiller with time is obtained. The experimental results show that the maximum operating temperature in the distiller reaches 65 ℃, and its water production efficiency reaches about 35%. The daily water productivity per unit concentrating area reaches 3.6 kg/m², which can meet the requirement of 4.5 m² crop growth under the condition of fine weather in summer in Beijing.

Key words

solar desalination / humidification-dehumidification / irrigation / tubular type distiller / half-buried

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Wang Ge, Chen Mingxian, Su Lingling, Xiao Jianwei, Liang Shen, Li Zhengliang. EXPERIMENTAL RESEARCH ON HALF-BURIED TUBULAR TYPE CONCENTRATING SOLAR DISTILLER FOR LAND IRRIGATION[J]. Acta Energiae Solaris Sinica. 2022, 43(4): 271-276 https://doi.org/10.19912/j.0254-0096.tynxb.2020-0786

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