▎ 摘　　要

NOVELTY - The utility model claims an automatic graphene sewage purifying device applied to fish tank, belonging to the technical field of sewage purifying device. It mainly solves the graphene the sewage purifying device cannot clean the inner wall attachment of the purifying device, it claims the following technical solution. comprising a purifying box, the inner bottom wall of the purifying box is rotatably connected with a rotating rod through a bearing, the surface of the rotating rod is fixedly connected with a stirring rod, the end part of the rotating rod is fixedly connected with a motor through a shaft coupling, the end part of the stirring rod is fixedly connected with a connecting plate, the side of the connecting plate is respectively fixedly connected with a telescopic rod and a spring. The utility model is provided with a rotating rod, a stirring rod, a water pump, the water inlet pipe is matched with the first connecting pipe, the purifying tank is attached with sewage impurity for fast cleaning, avoiding long-term use of sewage impurity accumulation to affect the purifying effect, so as to working staff use the sewage purifying device for purifying the sewage in the fish tank.