▎ 摘　　要

NOVELTY - The utility model claims an active carbon composite filter screen, comprising a front plate, a back plate; a frame structure layer and a filter core; four corners of one side of the front plate are fixedly provided with a mounting sleeve; four corners of one side of the back plate facing the front plate are provided with a mounting insert; the frame structure layer and the filter core corresponding to the mounting sleeve and the position of the mounting insert are provided with a mounting hole; the mounting insert passes through the mounting hole and is buckled in the mounting sleeve; the frame structure layer and the filter core are fixed in the cavity between the front plate and the rear plate; the filter core comprises a primary filter layer, an active carbon composite filter layer and a fine filter layer; the primary filter layer and the fine filter layer are respectively set on the two end faces of the active carbon composite filter layer; and the active carbon composite filter layer is composed of two sides of the mesh cloth; the left corrugated graphene active carbon filter layer and the right corrugated graphene active carbon filter layer are overlapped.