▎ 摘　　要

NOVELTY - The utility model claims a carbon-based phase change composite material preparation device, comprising a base, further comprising a mixing device, the base top is equipped with a mixing device, the mixing device is specifically composed of a transmission shaft, a grinding roller, a gear, a pulling plate, a filter screen, a feeding hopper A, a feeding hopper B, connecting pipe A, a servo motor; a stirring shaft and a stirring blade; one end of the transmission shaft is embedded with a gear; one side of the gear is installed with a crushing roller; the lower part of the crushing roller is slidingly connected with a drawing plate; the inner side of the drawing plate is detachably connected with a filter screen; the lower part of the filter screen is fixedly connected with a servo motor through a bolt. The carbon-based phase change composite material preparation device of the utility model, through the filter screen, crushing roller and the stirring blade with each other, the eutectic molten salt and graphene fully mixing, improves the quality of the carbon-based phase change composite material preparation.