METHOD AND APPARATUS FOR GRINDING AND WASHING SYNTHETIC RESIN CONTAINER

摘要

PROBLEM TO BE SOLVED: To obtain raw material which is closely restored to virgin material by washing out substantially completely contaminants adhering to a PET bottle. SOLUTION: A PET bottle grinding and washing apparatus 20 comprises a grinding means 3, a washing means 4, a rinsing and hydrating means 5 and a foreign matter removing means 6. The grinding means 3 grinds a PET bottle. The washing means 4 wahes flakes resulting from through grinding by the grinding means 3. The rinsing and hydrating means 5 rinses and cleans flakes washed by the washing means 4 and hydrates flakes so rinsed and cleaned. The foreign matter removing means 6 removes foreign matters from flakes. Furthermore, an organic solvent washing means 21 and a flake skin polishing means 26 are provided. The organic solvent washing means 21 washes flakes using an organic solvent. The flake skin polishing means 26 separates dirty powders by stirring flakes at a high speed.