Seawater desalination and collection device based on MXene precipitate/polyvinyl alcohol/sodium alginate composite aerogel three-dimensional evaporator and preparation method of seawater desalination and collection device

The invention relates to the technical field of seawater desalination, in particular to a seawater desalination and collection device based on an MXene sediment/polyvinyl alcohol/sodium alginate composite aerogel three-dimensional evaporator and a preparation method of the seawater desalination and collection device. A partition plate used for dividing the collecting box into a seawater containing area and a fresh water collecting area is arranged in the collecting box, an MXene sediment/polyvinyl alcohol/sodium alginate composite aerogel three-dimensional evaporator is arranged in the seawater containing area, MXene sediment serves as a photo-thermal material, the raw material of MXene is fully utilized, and the cost is reduced. And in actual seawater desalination, excellent photo-thermal conversion efficiency, evaporation rate, salt resistance and biological/oil stain/special environment resistance are realized, and the cost is also reduced. 本发明涉及海水淡化技术领域，尤其是基于MXene沉淀物/聚乙烯醇/海藻酸钠复合气凝胶三维立体蒸发器的海水淡化收集装置及其制备方法，包