The paint drying gun is a paint drying equipment that uses compressed air as the air source. The product has a novel structure, an ingenious concept, and is easy to use. It is widely used in the automobile industry and furniture industry to dry the paint surface after spraying. After searching, it was found that in the technical field of paint drying guns (drying guns), no national standards and industry standards have been formulated, and there are no relevant international standards and foreign advanced standards. This standard specifies the terms and definitions, basic requirements, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage of vortex hot air paint drying guns. It is suitable for using compressed air as the power source to heat the compressed air through the vortex tube. paint drying gun.