The invention discloses a
construction waste crushing device which comprises a supporting base. The top of the supporting base is fixedly connected with a treatment
barrel, the top of the treatment
barrel communicates with a crushing
barrel, the top of the crushing barrel communicates with a feeding port, and the inner wall of the crushing barrel is rotationally connected with a crushing roller. One end of the crushing roller penetrates through the crushing barrel and is fixedly connected with a driven belt wheel, the side face of the driven belt wheel is connected with a driving belt wheel through a belt, one side of the driving belt wheel is fixedly connected with a driving motor, the bottom of the crushing barrel communicates with a guide
pipe, the bottom of the guide
pipe communicates with a treatment rotary disc, and the part, located at the bottom of the treatment rotary disc, of the inner wall of the treatment barrel is fixedly connected with a classification device. The invention relates to the technical field of
construction waste crushing. According to the
construction waste crushing device, classification operation is conveniently achieved while crushing is conducted, secondary operation on disintegrating
slag is avoided, use is easy and convenient, the disintegrating
slag can be divided into multiple different grades according to use requirements, and flexibility is good.