▎ 摘　　要

NOVELTY - The utility model claims a composite nano fibre film for preparing graphene oxide coated polyacrylonitrile spinning device, belonging to the electrostatic spinning technology field, its structure comprises an electrostatic spinning device, a receiving device, a drying device and a sealing device; the electrostatic spinning device comprises a high pressure generator, a micro-pump and a needle tube, needle tube is connected with the micro-pump and needle head is set at the bottom end; the receiving device comprises aluminium foil, aluminium-foil paper is located below the needle tube nozzle, the working head of the drying device is opposite between the needle nozzle and the receiving device. device of the utility model is simple, the technique is easy to control, and the graphene oxide of large sheet layer is wrapped on the surface of polyacrylonitrile composite nano fibre, fully utilizes the graphene oxide with large specific surface area, good biological compatibility and so on, the product is expected to be an excellent composite material.