Welcome to the trial run of our 500kg/hr plastic film washing and pelletizing line.
The process begins with shredding, where a single-shaft shredder is used to handle whole bales of PE plastic film with ease. Equipped with a powerful rotor and durable blades, the shredder breaks down bulky materials into uniform strips. A hydraulic feeding system ensures consistent operation without jams, delivering high efficiency and reliable output.
After shredding, the material is transported via a belt conveyor to the trommel, which removes impurities such as dirt, sand, and other debris. This screening step is vital for improving the cleanliness of the material. The cleaned film pieces are then conveyed to the crusher, where they are further reduced into smaller, uniform pieces, preparing them for the next stages of processing.
Next is the washing and densifying stage, a critical phase to ensure the material is thoroughly cleaned and ready for pelletizing.
The shredded film first enters the friction screw, where high-speed rotation scrubs away contaminants like grease, oils, and adhesives. This intensive cleaning step is essential for removing any residues left on the material.
The washed material is then transferred to the sink-float separation tank, where water is used to separate materials by buoyancy. Lightweight plastic films float to the surface, while heavier contaminants, such as dirt, glass, and metal, sink to the bottom for easy removal. This ensures the film is free of impurities before moving forward.
Once cleaned, the material proceeds to the squeezer, a specialized machine designed to remove excess water while compacting the film into a dense form. This step significantly reduces moisture content and prepares the material for efficient drying and pelletizing.
The final stage is pelletizing, where the cleaned and dried material is transformed into high-quality pellets.
In the water-ring pelletizing system, the plastic is melted and extruded through a die, forming continuous strands. These strands are then cut into uniform pellets by a high-speed rotating cutter. Immediately cooled in water, the pellets solidify to ensure consistent size and shape.
After cooling, the pellets are dewatered and pass through a screening system to remove any irregular pieces, ensuring the final product is uniform and durable. These pellets are now ready for reuse in manufacturing, contributing to a sustainable and circular economy.
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