▎ 摘　　要

NOVELTY - The utility model belongs to the technical field of filtering device, claims a dynamic dispersing filtering device for Si/graphene composite film; The device comprises a filtering bottle connected with a vacuum pump; the filtering bottle is provided with a sand core funnel; the sand core funnel is provided with a sand core filter; the sand core funnel is provided with a stirring device; the stirring device comprises a top cover and a lifting blade glidingly connected with the top cover; the lifting blade is inserted into the sand core funnel; the lifting blade comprises a horizontally arranged strip-shaped upper blade; the bottom end of the upper blade is provided with a crescent-shaped lower blade; one side of the upper blade is uniformly distributed with a plurality of hollow rhombic blades; the upper blade is symmetrically distributed with a hollow rhombic blade group and a solid rhombic blade group; The utility model solves the problem of silicon re-agglomeration when manufacturing silicon/graphene self-supporting film, has small energy consumption, easy operation of obvious advantages.