Internal and external coupling heating pipeline suitable for long-distance petroleum transportation under low-temperature condition

• Main Authors: YU SANSONG, YANG JIE, DENG MINGXING
• Format: Patent
• Language: Chinese; English
• Published: 13.05.2022
• Subjects: BLASTING; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR; ELECTRICITY; FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEATGENERATING MEANS, IN GENERAL; GENERATION; HEATING; LIGHTING; MECHANICAL ENGINEERING; RANGES; SYSTEMS FOR STORING ELECTRIC ENERGY; VENTILATING; WEAPONS

The invention relates to an internal and external coupling heating pipeline suitable for long-distance petroleum transportation under a low-temperature condition, a graphene carbon nano coating layer, a heat preservation and insulation layer and a flexible photovoltaic layer are sequentially arranged around the periphery of a pipeline body from inside to outside, and a thermoelectric power generation heating unit is arranged on the inner wall of the lower half part of the pipeline body; the thermoelectric power generation heating unit comprises a heating layer attached to the inner wall of the lower half portion of the pipeline body, the heating layer is in circuit connection with a thermoelectric chip, the thermoelectric chip is connected with a storage battery, one end of the storage battery is in circuit connection with the flexible photovoltaic layer, and the other end of the storage battery is connected with the graphene carbon nano coating layer. Solar energy is converted into electric energy through th