▎ 摘　　要

NOVELTY - The utility model relates to the technical field of purifying device, especially an air purifying device based on graphene, the device comprises a box body; the box body is rectangular barrel-shaped; four sides of the box body is provided with an air inlet; the air inlet is provided with a fan; the top of the box body is connected with a cover plate; the middle part of the cover plate is provided with a fresh air port; the box body is provided with a wind guiding device; the cross section of the wind guiding device is a spiral column body; the wind guiding device is provided with a graphene filter screen; the graphene filter screen is hollow cylindrical; the bottom of the box body is connected with a bottom box; the bottom box is provided with an ultraviolet lamp set; the inner side of the new air port of the cover plate is provided with a filter; one end of the filter is embedded in the graphene filter screen. The air guide device is provided with a spiral column body in the box body; the air is guided by the air guide device; the flow path is longer; at the same time, it increases the residence time of the air in the box body, so that the ultraviolet irradiation is more sufficient, so as to improve the sterilizing effect.