▎ 摘　　要

NOVELTY - The utility model claims a graphite powder and oxidant mixing device for preparing single-layer graphene oxide, relating to the technical field of graphene oxide production device, comprising a mixing tank, wherein the middle of the top of the mixing tank is provided with a stirring motor; the bottom power output end of the stirring motor is provided with a stirring shaft; and the bottom of the stirring shaft extends into the inner cavity of the mixing tank; one end outer wall of the stirring shaft extending into the mixing tank inner cavity is uniformly provided with a stirring blade; the bottom of the lowest stirring blade is provided with a brush contacted with the bottom surface of the mixing tank inner cavity; the top left side of the mixing tank is provided with an acid inlet; the right side of the top of the mixing tank is provided with a solid feeding auxiliary device and a feeding port; the connecting part of the mixing tank and the solid feeding auxiliary device is provided with a through hole; the right side wall of the mixing tank is provided with an overflow pipe; the overflow pipe is provided with a stop valve. The utility model can promote the reaction when mixing reaction; when adding solid graphite powder and oxidant, it can prevent the acid liquid from splashing; the effective protection personnel is safe.