Thin-wall laminated loopback precise composite evaporator assembly component

The utility model discloses a thin-wall laminated loopback precise composite evaporator assembly component which comprises a hollow evaporation pipe fitting, an air return pipeline fitting is connected to a pipe opening in the upper end of the hollow evaporation pipe fitting, and a three-way connecting pipe fitting is connected to a pipe opening in the lower end of the hollow evaporation pipe fitting. The other two ends of the three-way connecting pipe fitting are connected with a capillary pipe fitting and a hot air defrosting pipe fitting correspondingly, and the capillary pipe fitting and the hot air defrosting pipe fitting are arranged in the area between the air return pipeline fitting and the hollow evaporation pipe fitting on the lower layer in a coiled mode. And the outer sides of the capillary pipe fitting and the hot gas defrosting pipe fitting between the air return pipeline fitting and the hollow evaporation pipe fitting on the lower layer are wrapped with aluminum foil adhesive tapes. The integra