▎ 摘　　要

NOVELTY - Preparation of corrosion-resistant and scale-resistant composite coating involves mixing 40 %mass acrylic acid, 10 %mass acetic acid and 50 %mass propyltrimethyl silane, stirring using a stirrer at 120 degrees C to prepare a mixture (A), mixing 50 %mass crosslinked acetic anhydride and 50 %mass mixed amide to obtain a crosslinking agent, mixing 50 %mass ethyl cellosolve with 50 %mass diacetone, mixing and stirring, adding 20 %mass crosslinking agent, mixing and stirring for 20 minutes to prepare a mixture (B), mixing 45 %mass mixture (A), 45 %mass mixture (B) and 10 %mass crosslinking agent, stirring to obtain a mixture (C), mixing 1-5 %mass nano nickel, 0.3-1 %mass 1000 mesh copper powder, 0.5-3 %mass molybdenum disulfide, 0.5-3 %mass 1000 mesh chromium powder, 0.8-4 %mass molybdenum powder, 0.8-4 %mass nickel-coated graphite, 0.5-5 %mass silica gel-coated graphene, 0.3-1.7 %mass nanotitanium dioxide and 80 %mass mixture (C), and stirring. USE - Preparation of corrosion-resistant and scale-resistant composite coating for water-cooled walls of waste-to-energy power plant. ADVANTAGE - The method provides coating having high-temperature resistance of up to 800 degrees C, bonding strength of 230 MPa, surface hardness of HV800, long service life, excellent penetrating function, excellent wear resistance, corrosion resistance to 15% hydrochloric acid, sticking resistance and heat energy absorbing function.