▎ 摘　　要

NOVELTY - The invention claims a heating device, belonging to the field of petroleum storage. the heating device comprises a junction box and an electric heater; the junction box is used for electrically connecting with the power supply; The electric heater comprises an electric heating wire, a quartz heating pipe and a connecting wire; the quartz heating pipe is provided with a sealing cavity; the electric heating wire is located in the sealing cavity; the electric heating wire is electrically connected with the junction box through the connecting wire; the electric heating wire is at least one of carbon fibre electric heating wire and graphene electric heating wire. the quartz heating pipe is made of quartz, quartz is not easy to be eroded by acidic water and high temperature resistant, ensuring the strength of the quartz heating pipe, so as to increase the service life of the electric heating pipe. at the same time, the electric heating wire is at least one of carbon fibre electric heating wire and graphene electric heating wire; the carbon fibre electric heating wire and graphene electric heating wire has high heating efficiency, small power consumption, saving energy, reducing the power consumption of the oil well production.