▎ 摘　　要

NOVELTY - Preparation of graphene multifunctional coating involves using high-aluminum coal gangue island, kaolin ore island, vertical hydraulic crushing island, exhaust gas drying island, drum kiln island, circulating cooling island, paint preparation island, high-aluminum fly ash island, graphene island, coating auxiliary island and graphene coating packaging island. USE - Preparation of graphene multifunctional coating used in marine engineering, hull, automobile, aircraft, high-end equipment, environmental protection equipment and precision machinery. ADVANTAGE - The method efficiently and economically provides graphene multifunctional coating having excellent corrosion resistance, high-temperature resistance, wear resistance, adhesiveness, heat insulating property and fast radiating property.