Fecha de publicación: 19/03/2021 Fuente: WIPO "circular economy" The utility model relates to the technical field of PET (Polyethylene Terephthalate) bottle flake particle screening and separating devices, in particular to a PET bottle flake particle screening andseparating device which is characterized in that a first screen frame and a second screen frame are driven by an eccentric wheel to reciprocate up and down, particles screened by the second screen frame fall into the first screen frame to be screened for the second time, and particles meeting the particle size requirement are discharged from a discharging pipe; when thorough discharging is needed,the left portion of the first screen frame is lifted upwards through the electric telescopic rod to be completely discharged, meanwhile, under the action of the draught fan, dust is sucked into the filtering box to be filtered, and therefore the influence of the dust on the surrounding environment is effectively reduced; the device comprises a screen box, a bottom column, a feeding pipe and a first screen frame; the device further comprises a supporting column, a second screen frame, a discharging pipe, bottom feet, a support, a motor, an eccentric wheel, an eccentric shaft, a movable rod, amovable frame, a supporting rod, a supporting frame, an impurity discharging pipe, a filtering box, a fan, a filter screen, an exhaust pipe, a fan cover, a hinge seat and an electric telescopic rod.