▎ 摘　　要

NOVELTY - The utility model claims a powder drying and collecting device for preparing graphene, comprising a box body, the two side surfaces of the bottom of the box body is provided with a sliding groove, and the sliding groove is slidingly connected with a sliding block, one side of the sliding groove is connected with a magnet block through the reserved groove; the top of the sliding block is installed with a collecting box through a screw, the box body is installed with a filter screen through a bolt and a rubber pad, and one end of the box body is installed with an electric hydraulic push rod through a mounting frame; one side output end of the electric hydraulic push rod passes through the box body and is installed with a push plate through the mounting frame; and the bottom of the push plate is installed with a cleaning brush by a screw. The utility model claims a powder drying and collecting device for graphene preparation, capable of conveniently cleaning the filter screen, and capable of conveniently collecting the residual powder, and suitable for being widely popularized and used.