Clean and grease the surface of waste packaging containers and then feed them into the shredder and crusher through the loading chain conveyer to crush and rub the cylinder into granules. Set up nitrogen protection and spray protection during the shredding and crushing process to ensure the safe and stable operation of the whole system. The VOCs generated in the production process are treated by the "electrostatic degreasing + alkaline washing + activated carbon adsorption" process and will be discharged according to the standard.