▎ 摘　　要

NOVELTY - The utility model claims a heating device of graphene, comprising a box body and a connecting pipe, two ends of the connecting pipe are fixedly connected with two sides of the top end of the inner wall of the box body through two connecting respectively, the middle part of the connecting pipe is provided with a heating control assembly; the beneficial effects of the utility model are as follows: two first electric heating wires, two second electric heating wires and two third electric heating wires respectively independently or combined to work; two first electric heating wires are set; two second electric heating wires and two third electric heating wires continuously heat the water passing through the inside of the connecting pipe through the graphene heat conducting sleeve; it is convenient to adjust the heating speed according to the heating requirements of different working environments; the first L-shaped pipe and the water storage pipe respectively matched with the water pump, and the second L-shaped pipe; connecting pipe inlet pipe and the drain pipe are controlled by the first electromagnetic valve and the second electromagnetic valve respectively which is convenient for the water in the device to circulate and change better.