EXPERIMENTAL STUDY ON BUBBLING HUMIDIFICATION-DEHUMIDIFICATION DESALINATION SYSTEM DRIVEN BY TWO TYPES OF CONCENTRATORS

Zhao Jinglian; Xiao Jianwei; Zheng Hongfei; Wang Ge

doi:10.19912/j.0254-0096.tynxb.2021-1443

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Acta Energiae Solaris Sinica ›› 2023, Vol. 44 ›› Issue (5) : 226-232. DOI: 10.19912/j.0254-0096.tynxb.2021-1443

EXPERIMENTAL STUDY ON BUBBLING HUMIDIFICATION-DEHUMIDIFICATION DESALINATION SYSTEM DRIVEN BY TWO TYPES OF CONCENTRATORS

Zhao Jinglian¹, Xiao Jianwei¹, Zheng Hongfei¹, Wang Ge^1,2

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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.

Key words

solar concentrators / bubble formation / desalination / air collector / humidification-dehumidification

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Zhao Jinglian, Xiao Jianwei, Zheng Hongfei, Wang Ge. EXPERIMENTAL STUDY ON BUBBLING HUMIDIFICATION-DEHUMIDIFICATION DESALINATION SYSTEM DRIVEN BY TWO TYPES OF CONCENTRATORS[J]. Acta Energiae Solaris Sinica. 2023, 44(5): 226-232 https://doi.org/10.19912/j.0254-0096.tynxb.2021-1443

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