Sewage filtering device for environmental engineering

The utility model discloses a sewage filtering device for environmental engineering, which belongs to the field of environmental engineering and comprises a top plate, a bottom plate, a first grating, a second grating, a first treatment tank and a second treatment tank, a support is arranged on the lower surface of the top plate, the bottom plate is arranged at the bottom end of the support, and the first grating and the second grating are movably arranged on the top plate. A first treatment tank is movably arranged on the top plate, a medicament adding pipe is arranged at the top end of the first treatment tank, a second treatment tank is movably arranged in the top plate, an ozone generator is arranged on the second treatment tank, an ozone conveying pipe is arranged on the ozone generator, an ozone spraying pipe is arranged at the outlet end of the ozone conveying pipe, and the ozone spraying pipe is arranged in the second treatment tank. Through double-layer filtration, garbage in sewage can be convenient