Cooling rotary drum structure of scraper

The utility model discloses a cooling rotary drum structure of a scraper. The structure comprises a rotary drum body (3) and connecting pipes (2), wherein a water inlet rotating shaft (1) is arranged on one side of the rotary drum body (3), and a water outlet rotating shaft (4) is arranged on the other side of the rotary drum body (3); the connecting pipe is arranged on a water passing jacket (5) inside the rotary drum body; a plurality of flow guiding devices (6) are arranged at the internal circumferential positions of the two ends of the water passing jacket; the end opening, positioned inside the rotary drum body, of a water inlet rotating shaft is closed, and a first opening adapter (1-1) is arranged in the side surface of the end opening, positioned inside the rotary drum body, of a water inlet rotating shaft; the first opening adapter (1-1) is connected with a water inlet pipe of the water passing jacket through one of the connecting pipes; a second opening adapter (4-1) is arranged at the part, positioned inside the rotary drum body, of the water outlet rotating shaft, and is connected with a water outlet pipe of the water passing jacket through the other of the connecting pipes. According to the utility model, the heat transmission efficiency of the cooling rotary drum structure of the scraper is greatly improved, and the use amount of cooling water is reduced, so that the single machine yield of the scraper is greatly increased.