An interfacial evaporation device, preparation method and application

By using a biomimetic spiral tubular fabric structure and photothermal modified fibers, the evaporation rate and efficiency of solar interface evaporators have been solved, achieving efficient water evaporation and salt ion balance, which can be applied to seawater desalination and humidity regulation.

CN118754235BActive Publication Date: 2026-07-03NANTONG UNIV
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Patent Information

Application Number
CN202410603154.3
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2024-08-30
Publication Date
2026-07-03
Estimated Expiration
2044-08-30

AI Technical Summary

Technical Problem

Existing solar interface evaporators suffer from slow water evaporation rates, low photothermal conversion efficiency, and salt deposition, which limit their application.

Method used

A biomimetic interfacial evaporation device based on the banana core structure is designed. It adopts a spiral tubular fabric structure and utilizes the capillary wicking effect between the tubes, combined with hydrophilic fibers and photothermal reagent modification to enhance water transport and evaporation efficiency.

Benefits of technology

It significantly improves the rate of water evaporation and photothermal conversion efficiency, achieves the migration balance of salt ions, avoids salt precipitation, and enhances the effects of seawater desalination and humidity regulation.

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Abstract

This invention provides an interfacial evaporation device, comprising at least one tubular fabric; the warp and weft yarns of the tubular fabric are woven into a spiral structure; the tubular fabric is woven using yarns containing hydrophilic fibers. This device is based on a biomimetic design of a banana core structure, with the fabric surface designed in a spiral shape and interfacial evaporation performed in a tubular bundle form, providing excellent water evaporation rate and can be widely applied in seawater desalination and other fields.
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Citation Information

Patent Citations

  • Salt crystallization resistant strong brine interface evaporation device

    CN117125764A

  • Method for fabricating hollow fabric and hollow fabric

    TW200827504A