The invention relates to a cyclone-type waste plastic crushing, sorting and cleaning system, which comprises, along the material conveying direction, a crusher for crushing waste plastics, a flotation tank for sorting plastic fragments by density difference between flotation medium and fragments, and a cyclone sorting and cleaning device for sorting and cleaning fragments via cyclone flow of fluid medium. One or more than two serially connected cyclone sorting and cleaning devices may be used. The invention also relates to a cyclone-type waste plastic crushing, sorting and cleaning method. Featuring a simple structure, the invention realizes continuous and automated waste plastic treatment, effectively improves treatment efficiency and effect, and achieves automatic sorting and cleaning of waste plastics, belonging to the field of waste plastic recycling technology.

Country Code: CN

Application Number: CN201310039316.7