▎ 摘　　要

NOVELTY - The utility model relates to the technical field of sewage treatment, and claims a graphene water treatment device of convenient surface for cleaning the active carbon filter core, comprising a filter tank, the upper end of the filtering tank is provided as an opening and the opening is fixedly connected with a box cover; the bottom of the filtering box inner wall and box cover of the lower end are symmetrically provided with a set from outside to inside of the first annular groove and the second annular groove, the upper and lower two symmetrical first annular groove is clamped with an outer cylinder, the inner side of the outer cylinder wall is fixed connected with a graphene-filtration membrane, surface of outer cylinder uniformly provided with multiple first filtering holes, symmetrically up and down between two second annular groove are clamped with the inner cylinder, the inner cylinder is a hollow structure and the inner wall is filled with active carbon. The utility model can be the inner wall of the inner cylinder for fast cleaning, avoid the problem of influencing filtering effect sundries accumulated on the inner wall of inner cylinder, which saves the labour and capable of synchronously cleaning in the process of sewage treatment, which ensures the sewage treatment efficiency.