Flow chart of washing line: Bottle conveyor -- Label stripper -- Sorting belt -- Bottle Conveyor -- Crusher -- Screw conveyor -- Bi-screw washing -- Grinding --washing -- Screw conveyor -- Chemical wahsing (with hot water) -- Screw conveyor -- Neutralizing barrel -- Screw conveyor -- Spin-drier -- Wind charger and heater -- Store Hopper -- Control cabinet