Portable solar photo-thermal evaporation seawater desalination distiller and method

Abstract

The invention relates to a portable solar photo-thermal evaporation seawater desalination distiller, which comprises a condensation structure, a photo-thermal conversion material, a water guide channel, a heat insulation layer, a seawater communication layer and a fresh water collection tank, wherein the condensation structure is arranged to be a structure facilitating downward sliding of condensed water, the photo-thermal conversion material is arranged on the lower portion of the condensation structure, the heat insulation layer is arranged on the lower portion of the photo-thermal conversion material, the through water guide channel is formed in the heat insulation layer, the lower edge of the condensation structure is communicated with the upper portion of the fresh water collection tank at the periphery of the heat insulation layer, the fresh water collection tank and the bottom surface of the heat insulation layer define the seawater communication layer, the bottom of the fresh water collection tank is provided with the fresh water discharge hole, and the bottom surface of the fresh water collection tank is provided with a through seawater communication hole. According to the invention, the condensation structure facilitating downward sliding of condensed water is arranged, the condensation structure is communicated with the conical fresh water collection tank, the seawater communication layer between the fresh water collection tank and the heat insulation layer can meet the requirement for continuous drawing of seawater, the floatable property is achieved, and high-efficiency seawater desalination is achieved.

Description

technical field [0001] The invention relates to the fields of seawater desalination and photothermal evaporation, in particular to a portable distiller and method for desalination of seawater by solar photothermal evaporation. Background technique [0002] Seawater desalination technology can effectively play the role of incremental water source and help to solve the water resource bottleneck problem of island and coastal economic and social sustainable development. Currently built seawater desalination plants mainly use reverse osmosis and low-temperature multi-effect distillation technology, but due to the large-scale cost and long-distance water transmission cost caused by high energy consumption, it is difficult to fully cover islands, offshore platforms, tidal flats and coastal areas Remote towns and villages. Solar seawater desalination thermal technology can use the photothermal resources of renewable solar energy in these areas, heat seawater to undergo phase change...

AI Technical Summary

Problems solved by technology

This is because portable equipment not only needs to consider solar energy conversion efficiency, but also needs to realize the economy and portability of the equipment, including lightweight, foldable and easy to assemble, so it is impossible to copy the structure and materials of large solar desalination equipment

In particular, the light-transmitting condensation glass cover parts in large-scale solar desalination equipment are expensive, dense and cannot be folded, so they are not suitable for use as condensation cover parts for portable equipment; In small portable devices, the effective illumination area will be reduced, and it has the disadvantages of easy aging, corrosion and inability to fold

However, the research on traditional portable stills has given up effective heat insulation components, which has brought a non-negligible system-environmental heat loss; Hydrophobic, causing water droplets to form mist droplets on the condensing surface, greatly increasing the light scattering rate, thereby reducing the utilization rate of sunlight

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