▎ 摘　　要

NOVELTY - The utility model relates to the technical field of environment protection, especially to an enrichment device capable of orientational filling and vertical direction filtering, comprising an enrichment cavity, the upper and lower two sides of the enrichment cavity are respectively provided with a filler inlet and a filler outlet connected with the enrichment cavity; the bottom of the enriching cavity is paved with a filter membrane; left and right sides of the enriching cavity are provided with eluent inlet and eluent outlet connected with the enriching cavity; a valve is arranged on the filler inlet, the filler outlet, the eluent inlet and the eluent outlet; the enriched cavity is filled with graphene nanometre filler. After using the structure, the utility model compared with the traditional enriching column, the device can be the anisotropic material with controllable filling; The vertical filtering structure can fully exert the advantages of the high specific surface of the graphene and can improve the filtering speed.