▎ 摘　　要

NOVELTY - The utility model claims a graphene coating substrate dirt cleaning device, comprising a unreeling device; a winding device; the first end of the length of the substrate is wound on the unreeling shaft of the unreeling device; the second end of the length of the substrate is wound on the winding shaft of the rewinding device; the cleaning conveying path of the substrate is provided with a water washing cleaning component; a drying component; the water washing cleaning component is capable of washing the substrate discharged in the unreeling device; the drying component is capable of drying the substrate discharged in the water washing cleaning component. The utility model uses the water washing cleaning component to clean the base material by water, drying the base material after washing by the drying component, the base material is tensioned and conveyed between the unreeling device and the rewinding device, so as to make the cleaning process of the base material realize automatic, effectively improves the cleaning efficiency and improves the cleaning effect; so as to facilitate the circulation of the substrate period, and good for improving the quality of the subsequent coating film product.