▎ 摘　　要

NOVELTY - The utility model claims a rotatable disc-shaped heater, comprising a base body, a bottom box rotatably set on the base body, a heating body fixed on the bottom box and a power supply assembly, the surface of the bottom box is provided with a heat insulating groove, the heating body comprises a surface layer set from up to down, a graphene heating layer, an electrode layer, an insulating layer, and a surface layer, a graphene heating layer, an electrode layer, the insulating layer is compounded into a whole by high temperature curing, the power supply assembly comprises a temperature controller, a power supply plug, a power supply line and a conductive slip ring, the temperature controller is embedded at the side of the bottom box, the temperature controller is electrically connected with the electrode layer, the conductive slip ring is installed at the centre of the bottom box, the power supply plug passes through the power line, the conductive sliding ring is electrically connected with the temperature controller, the utility model is used for heating the food on the upper table, and it also can make the heating body as the dining table disc to rotate, it can provide better heat preservation heating effect for the rotary dining table.