▎ 摘　　要

NOVELTY - The utility model claims a mixing device for preparing graphene, comprising a device box, the top of the device box fixedly connected with mixing box, the top of the mixing box fixedly connected with with a water pump, the water inlet end and the water outlet end of the water pump respectively connected with a water inlet pipe and a water outlet pipe, one end of the water outlet pipe far away from the water pump passes through the inner cavity of the mixing box and is connected with a water storage box through a bearing, two sides of the water storage box are connected with a nozzle, the bottom of the inner cavity of the device box fixedly connected with with a motor, the output shaft of the motor fixedly connected with rotating column. The utility model passes through the water pump, the water inlet pipe and the water outlet pipe are matched for conveying the water flow to the water storage box, the water flow in the water storage box is continuously increased, the water flow in the water storage box is sprayed to the inner wall of the mixing box through the nozzle; so as to wash the inner wall of the mixing box, avoiding the residue of the inner wall of the mixing box from affecting the production quality of the graphene in the later period, .