Circulating crusher for dry-mixed mortar

The invention discloses a circulating crusher for dry-mixed mortar, and relates to the technical field of crushing. The dry-mixed mortar crushing device comprises a crushing box, a feeding hopper is fixedly connected to the top of the crushing box in an inserted mode, a first crushing assembly and a second crushing assembly which are used for crushing dry-mixed mortar are arranged in the crushing box, and a flow guide opening used for allowing the mortar to flow is formed between the first crushing assembly and the second crushing assembly; a discharging pipe is fixedly connected to the right side face of the crushing box in an inserted mode, a screening box is arranged on the right side of the crushing box, a screening assembly is arranged on the surface of the screening box, and a dust suction assembly is further arranged on the surface of the screening box. Therefore, it is guaranteed that dry-mixed mortar can be crushed to be uniform in specification, the crushing effect on the dry-mixed mortar is guarant