Basket filter

The invention discloses a basket type filter which comprises a lower filtering assembly, an upper cover assembly, a barrel body, a middle opening connecting barrel, a lower supporting blocking net, a filtering barrel, a protective cover, an ultrasonic oscillator, an upper cover sleeve, a waterproof cover, a motor, a connecting shaft, a dispersing cutter and an auger. According to the sewage treatment device, the labor intensity of workers is greatly relieved, the working efficiency is also improved, secondly, by means of cooperation of a motor, a connecting shaft, a dispersing cutter and an auger, accumulated foreign matter impurities can be dispersed, winding and agglomeration are avoided, in addition, the foreign matter impurities can be rapidly discharged outwards, and therefore the sewage treatment effect is greatly improved; foreign matter and impurities attached to the inner wall of the filter cartridge can be removed, the foreign matter and impurities are separated, and the problem that dirt is accumul