Sewage ecological purification device for water environment treatment

The utility model discloses an ecological sewage purification device for water environment treatment, which comprises a purification box and a purification mechanism arranged on the purification box, the purification mechanism comprises a motor fixedly installed on one side wall of the purification box, an inner fulcrum shaft coaxially connected with an output shaft of the motor, an outer frame fixedly arranged above the inner fulcrum shaft in a sleeving mode and a filter screen installed on the outer frame, the motor is horizontally arranged, the inner fulcrum shaft is located at one end of the outer frame, and the filter screen is located at the other end of the outer frame. The other end of the outer frame horizontally extends into an inner cavity of the purification box, a discharging opening used for discharging solid impurities is formed in the side, close to the inner supporting shaft, of the purification box, a base plate is fixedly welded to the side, away from the inner supporting shaft, of the inne