▎ 摘　　要

NOVELTY - A vacuum furnace cooling device for producing graphene three-dimensional structure powder, comprising a furnace body, a condensing box, a water tank, a first water pump, a second water pump, an infusion pipe and a liquid return pipe; the furnace body is provided with a hearth, the hearth and the inner wall of the furnace body form a containing cavity; the water tank is located at one side of the furnace body; the water tank is provided with an infusion tube; the infusion tube is provided with a first water pump; one end of the infusion tube passes through the furnace body and enters into the containing cavity; the bottom of the infusion tube located in the containing cavity is provided with a spray head; the liquid return pipe passes through the bottom of the furnace body and is connected with the containing cavity; the other end of the liquid return pipe is connected with the condensing box; and the liquid return pipe flows into the cooling liquid for cooling through the condensing box; one side of the condensing box is provided with a connecting pipe; the connecting pipe is provided with a second water pump; the other end of the connecting pipe is connected with the water tank; and the cooling liquid is conveyed to the water tank through the second water pump so as to be recycled; it will not cause waste of water resource.