Clearing environment-friendly device for building residual cement and clearing method of clearing environment-friendly device for building residual cement

The invention discloses a clearing environment-friendly device for building residual cement and a clearing method of the clearing environment-friendly device for the building residual cement. The clearing environment-friendly device comprises a box body, wherein rolling wheels are arranged at the bottom of the box body; the interior of the box body comprises a transmission cavity and a vibration cavity which are arranged up and down correspondingly; a containing cavity is formed in the center of the side face of one side of the box body, an upper groove and a lower groove which sink inwards are formed in the containing cavity up and down, a fixing plate is arranged in the upper groove, the fixing plate extends towards the outer side of the box body, and a sliding block is arranged on the fixing plate; a fixed rotating cylinder is fixed on the front side of the sliding block, a convex plate is arranged in the fixed rotating cylinder, and a movable rotating cylinder is arranged in the fixed rotating cylinder; a