Solar interface evaporator with adjustable pores and vertical channels

By employing an adjustable pore and vertical channel structure in the solar interface evaporator, combined with a heating/insulation model using honeycomb Oxford cloth and foam insulation layers, the problems of insufficient solar energy utilization and salt accumulation were solved, achieving efficient seawater evaporation and improved salt resistance.

CN223837133UActive Publication Date: 2026-01-27QINGDAO UNIV +1
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Patent Information

Application Number
CN202520301233.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-25
Publication Date
2026-01-27
Estimated Expiration
2035-02-25

AI Technical Summary

Technical Problem

Existing solar interface evaporators cannot fully utilize the conduction, convection, and radiation effects of solar energy when using solar energy to drive seawater desalination, resulting in insufficient evaporation efficiency and rate. Furthermore, traditional hydrogel channels are prone to salt accumulation, affecting service life and performance.

Method used

The structure features adjustable pores and vertical channels, combined with black honeycomb Oxford cloth as the heat-absorbing layer and white foam as the heat-insulating layer, forming a heating/insulating model. The honeycomb Oxford cloth heats the bulk water and achieves efficient water transfer through the longitudinal and transverse constraints of the fibers. The capillary force between the short fibers promotes the reflux of salt particles, and the porous structure inside the fibers accelerates the diffusion of water molecules.

Benefits of technology

It achieves efficient water transport and evaporation rate, improves evaporation efficiency and salt resistance, is suitable for large-scale production, and reduces production costs.

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Abstract

The utility model discloses a solar interface evaporator with adjustable pores and vertical channels, which comprises a container, a heat absorption and heat conduction layer floating on seawater to be evaporated is arranged in the container, and a cylindrical three-dimensional evaporation component is arranged on the heat absorption and heat conduction layer. The cylindrical three-dimensional evaporation part downwards penetrates through the lower surface of the heat absorption and heat conduction layer and extends below the seawater surface, the fixing device is used for connecting the cylindrical three-dimensional evaporation part to the heat absorption and heat conduction layer, and heat insulation layers are arranged on the surfaces of the side wall and the bottom of the container respectively. The black honeycomb oxford fabric serves as a heating source, bulk water is heated in advance in the evaporation process, and evaporation in the water conveying process is promoted. By adjusting the transverse constraining force of the locking piece on the short fiber cluster and matching with the number of the short fibers, the adjustment of the void ratio between the short fibers can be flexibly realized. Thermal evaporation of seawater is achieved, the evaporation efficiency and the evaporation rate are further improved, the salt resistance and durability are further improved, the efficient water transmission rate is achieved, and large-scale production is achieved.
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Citation Information

Patent Citations

  • Integrated multifunctional solar evaporator and preparation method thereof

    CN117209000A

  • Solar interface evaporation device and preparation method and application thereof

    CN117647019A