Stacked spiral sludge dewatering equipment

The utility model discloses stacked spiral sludge dewatering equipment in the field of sludge dewatering equipment, which comprises a flocculation basin, a first central shaft is fixedly connected onto the flocculation basin, one end of the first central shaft penetrates through the top end of the flocculation basin and is fixedly connected with a first motor, and a plurality of stirring paddles are fixedly connected to the bottom end of the first central shaft. A sludge inlet pipeline is arranged on the flocculation basin, the other end of the sludge inlet pipeline is fixedly connected to the dehydrator shell, a dehydrator main body is arranged in the dehydrator shell, a second central shaft is arranged in the dehydrator main body, one end, close to the flocculation basin, of the second central shaft penetrates through the dehydrator shell, and stacked spiral sheets are fixedly connected to the second central shaft; one end, far away from the flocculation basin, of the dehydrator shell is fixedly connected w