Circulating crushing device

The utility model is applicable to the technical field of machinery. The utility model provides a circulating crushing device. The device comprises a fixing assembly, a dehumidifying assembly, a smashing assembly and a screening assembly. The fixing assembly comprises a machine body, a feeding groove, a first supporting plate, a second supporting plate, a first discharging groove, a second discharging groove and a baffle, the machine body is fixedly connected with the feeding groove, the feeding groove is located in the top end of the machine body, and the first supporting plate is fixedly connected with the machine body and located on the left side of the machine body; a second crushing motor is arranged to drive a crushing roller, so that screened materials which do not reach the standard can be extruded and crushed, the crushing quality of the materials can be improved after secondary crushing, and the processing time is shortened; and by arranging the dehumidifying device, moisturein the material crushing