Oil removal filtering device

The utility model discloses an oil removal filtering device which comprises a filtering box and a water inlet box and further comprises a cylinder, an upper cone, a lower cone and an overflow port, the overflow port is installed on the cylinder, the lower portion of the cylinder is connected with the upper cone through a flange, and the lower portion of the upper cone is connected with the lower cone through a flange. The lower portion of the lower cone is connected with a water outlet through a flange, the lower portion of the water outlet is connected with a supporting flange on the filter box, and a connecting pipe is installed in the middle. The water inlet tank is of a semi-spiral structure, one end of the water inlet tank is connected with the water inlet connector, and the other end gradually spirals to be tangent to the cylinder. An opening is formed in the side edge of the overflow opening and connected with an overflow pipe, a water pump is installed on the overflow pipe and installed on a top plate