Drum press of circulated pressure material

The utility model relates to a drum press of circulated pressure material, including the casing, be equipped with the pressure roller in the casing, the both ends of pressure roller are passed through the connecting axle and are connected with the casing, the casing top is equipped with the feed valve, the casing bottom is equipped with the bleeder valve, screening circulation system is connected to the bleeder valve, screening circulation system includes to be connected with the bleeder valve and receives the workbin, receives and is equipped with the screen cloth in the workbin, inner chamber that the workbin will be received to the screen cloth separate for the coarse fodder chamber with carefully expect the chamber, vibration air cylinder is connected to the both sides of screen cloth, carefully expect the chamber and connect the discharge gate, the coarse fodder chamber expect to manage through circulating and feed valve intercommunication is equipped with negative pressure auto sucking machine on the ci