Cement preheater device

The utility model relates to a cement preheater device. The utility model belongs to the technical field of cement production equipment. The preheater comprises a preheater body, the preheater body isprovided with an inner cylinder; a feeding hole is formed in the top of the inner barrel; a discharge hole is formed in the bottom of the inner barrel; a speed reducing device is arranged in the inner cylinder; the speed reducing device comprises a vertically-arranged rotating shaft and a plurality of horizontally-arranged rotating discs, the rotating shaft is coaxial with the inner cylinder andis rotationally connected with the inner cylinder, the rotating discs are coaxial with the rotating shaft and are fixedly connected with the rotating shaft, the rotating discs are provided with a plurality of leaking holes, the leaking holes penetrate through the rotating discs, and one end of the rotating shaft is connected with a driving motor used for driving the rotating shaft to rotate. The preheater has the advantage