Sewage filter convenient for replacing filter basket

The utility model relates to the field of sewage filtering treatment, in particular to a sewage filter convenient for replacing a filter basket, which comprises a box body, the sealing device is mounted at the upper position of the box body, and the sealing device is used for preventing sewage in the filter from overflowing; the jacking device is installed in the box body and arranged below the sealing device, the jacking device is attached to the side wall of the box body, and the jacking device can ascend or descend in the vertical direction of the side wall of the box body; the filter basket is mounted in the box body, the filter basket can move along with the jacking device, and the filter basket is used for filtering sewage; and the fixed limiting device is installed at the position above the jacking device, and the fixed limiting device is used for positioning the filter basket. Through the box body, the sealing device, the jacking device, the filter basket and the fixed limiting device, the technical p