▎ 摘　　要

NOVELTY - The utility model claims a production device of ultra-large single-layer graphene oxide, comprising a motor, a first coupler, a speed reducer, a second coupler, a first telescopic rod, a second telescopic rod, a third telescopic rod, a stirring paddle, a screen, an annular scraper, a shell, a cover plate, a coil pipe and a controller, the motor is connected with the speed reducer by the first coupler, the speed reducer and the first telescopic rod are connected by the second coupler, the first telescopic rod passes through the cover rod end and is connected with the stirring paddle, the second telescopic rod and the third telescopic rod passes through the cover rod end and is connected with the screen; the cover plate is installed on the upper surface of the shell, the screen is installed in the annular scraper, the shell is cylindrical, the annular scraper is tightly installed in the shell, the outer surface of the shell is installed with a coil pipe; the cover plate is provided with liquid feeding port and a powder feeding port, the bottom of the shell is provided with a discharging valve, a feeding valve and an air inlet valve. The invention solves the probconnectedlem that the natural crystalline flake graphite has uneven size and over-many oxidized fragments, and realizes the high-efficiency preparation of the ultra-large sheet single-layer graphene oxide.