▎ 摘　　要

NOVELTY - The utility model claims a anti-corrosion oil coating of the evaporator, heat exchange comprises bending forming and multiple sets of sleeved on the heat exchange fin, each fin group comprises multiple fins arranged in series, the fin is provided with a waist-shaped hole installed on the evaporator heat exchanging pipe of two side of the fin is provided with a locating slot with opening upward, above of the fin is equipped with a locating piece; the lower end of the locating sheet is set with multiple blocking groove corresponding to the locating groove, the clamping groove is clamped in the locating groove; the locating plate by a clamping groove matched with the clamping of the locating groove on the fin, the fin is provided with a plurality of projections is hexagonal, the heat exchange copper tube and the outer surface of the fin are coated with a graphene coating, outer surface of the graphene coating coated with aqueous paint coating, the utility model can effectively reduce the evaporator eroded, not easy to stain, the fin structure has high strength, good heat exchange effect and long service life.