▎ 摘　　要

NOVELTY - The utility model claims a graphene oxide purifying device, belonging to the technical field of chemical production device, comprising a mixing tank and a purifying tank, wherein the mixing tank is placed on an ultrasonic oscillator; the top end of the mixing tank is provided with a material feeding port; the upper section of the mixing tank is provided with a dispersion; the centre of the dispersion disc protrudes upwards; the dispersing disc is provided with a plurality of liquid leaking holes; the lower part of the dispersing disc is provided with an annular spraying pipe; the lower end of the annular spraying pipe is provided with a ring of nozzle; the annular spraying pipe is connected with the micro pump set outside the mixing tank through the liquid inlet pipe; the lower end of the mixing tank is connected with the top end of the purifying tank through the pipeline; the upper section of the purifying tank is obliquely provided with a filter screen; the bottom end of the purifying tank is provided with an ICP ion concentration detector; the bottom of the purifying tank is further provided with an ultrasonic vibrator; the ultrasonic vibrator is connected with the ultrasonic generator set outside the purifying tank. The utility model can effectively separate the impurity ions, improve the purification of graphene oxide, purification efficiency is higher, and the cost is lower.