▎ 摘　　要

NOVELTY - The utility model claims a graphene oxide filtering device, comprising a shell, a first filter screen, a second filter screen and a third filter screen; the bottom end face of the shell is welded with a supporting frame; the top end face of the shell is rotatably provided with a cover plate; and the cover plate is embedded and fixed with a water inlet pipe; the water inlet pipe is connected with the liquid in the shell; the top end face of the shell is rotatably provided with a cover plate; and the cover plate is embedded with a water inlet pipe; the water inlet pipe is connected with the liquid in the shell; the bottom end face of the inner wall of the shell is fixed with a base; and the base is provided with a first groove; a second groove and a third groove, the first groove is slidingly provided with a third filter screen; the third filter screen adopts double-layer design filled with graphene oxide main body; the second groove is slidingly installed with a second filter screen; the second filter screen adopts double-layer design filled with graphene oxide main body. The utility model has the advantages of convenient operation, better filtering and better practicability for water.