▎ 摘　　要

NOVELTY - Impurity filter ball comprises hemispherical bodies (1), buckling device (3), filter screen (5), rings, integrated filtering ball shell, and graphene oxide-based non-woven fabric layer. USE - Impurity filter ball. ADVANTAGE - The filter ball is convenient, and has improved antibacterial filtering capacity. DESCRIPTION OF DRAWING(S) - The drawing shows a schematic diagram of impurity filter ball. Hemispherical bodies (1) Buckling device (3) Filter screen (5)