▎ 摘　　要

NOVELTY - Floating ball with photo-thermal conversion, which is spherical and is made of lightweight material. The surface of the floating ball is provided with a photo-thermal conversion material. USE - The ball is useful in applying to the continuous evaporation of solar seawater (claimed). ADVANTAGE - The ball: uses cleaning performance, universal, unlimited and economical solar energy as the energy source to realize efficient seawater evaporation; has simple structure and large-scale application; is economical, simple and cheap raw material; continuously accelerates the evaporation of seawater and improves the utilization rate of light energy; ensures the strategy of complex floating ball achieves continuous seawater evaporation and ensures the spin of the floating ball solves the problem of salt deposition and realizes continuous seawater evaporation without consuming manpower and material resources.