Sewage treatment filtering device

The utility model discloses a sewage treatment filtering device. The problems that after an existing sewage treatment device is used for a period of time, a filter screen is easily blocked; influenceof filtration effects, the filtering rate is reduced; it comprises a housing, a water inlet is formed in one end of the outer side of the shell; a first filter screen is fixed on one side in the shell; a second filter screen is fixed on the other side in the shell; an activated carbon adsorption layer is fixed in the shell close to the second filter screen; anti-blocking assemblies are installed at the positions, located above the first filter screen and the second filter screen, in the shell. The device is simple in structure and convenient to use; according to the sewage treatment device, sewage can be subjected to triple filtration, the sewage filtration effect is enhanced, the surface and the interior of the filter screen can be cleaned through the anti-blocking assembly, filter holesare prevented from being b