▎ 摘　　要

NOVELTY - The utility model relates to the technical field of graphene production auxiliary device, especially relates to a cyan phosphorus oxychloride feeding device for producing graphene, which can shorten the length of the cylinder rod, reduce the height of the device, reduce the occupied space; and there is no need to manually lower the pressure rod, save labour, reduce labour intensity, and it is convenient to move the device and increases the use reliability, comprising a working box, a piston, a piston rod, a sealing sleeve, a discharging pipe and four groups of supporting legs, the working tank is provided with a working cavity; the working cavity is filled with phosphorus oxychloride, and provided with a scale structure, a piston rod is set at the top end of the piston, the discharge pipe is provided at the bottom of the working tank, and the discharge pipe is provided with a control valve in the working tank front end, further comprising a bracket and a telescopic motor, the output end of the telescopic motor is provided with a movable rod, and the bottom of the movable rod passes through the bracket and is connected with the top end of the piston rod, and it further comprises four groups, four groups of support roller and a reinforcing member, four groups of idler wheels are respectively set on the four groups of support bottom.