▎ 摘　　要

NOVELTY - The utility model claims an automatic device for completely desalting seawater based on graphene, comprising an original sea water desalting first unit and a concentrated sea water desalting second unit; the first unit and the second unit are connected by a concentrated sea water drainage pipeline with an automatic valve; the top and the bottom of the second unit seawater desalting tank are provided with a uniform static magnetic field. because the sea water desalting tank of the second unit is added with a uniform strong electric field and a uniform static magnetic field, the second unit concentrated seawater cavity of the main body water phase salt ion concentration becomes very thin; the osmotic pressure generated on the upper side of the porous graphene salt water separator is greater than or equal to the osmotic pressure generated by pure seawater of the pure seawater cavity of the first unit seawater desalting tank; therefore, the synergistic action of the two units greatly improves the working efficiency of seawater desalination.