The Air Classifier by Chenxing Recycling Machinery delivers ultra-pure plastic recycling by pneumatically removing labels, dust, and paper from PET bottles, rigid plastics, and films. Utilizing zigzag airflow technology, this stainless steel separator achieves 99% impurity removal through adjustable air velocity control – ensuring zero contamination in recycled flakes. Its transparent inspection window allows real-time monitoring, while filter bag integration captures lightweight contaminants for EPA-compliant operations. Designed for PET label separation and drum film purification, the system’s corrosion-resistant construction withstands 24/7 use in plastic washing lines. Backed by 20+ years of recycling expertise, Chenxing’s energy-efficient classifier reduces material loss to <1%, with quick-release valves enabling <15-minute accuracy adjustments. Ideal for achieving food-grade recycled pellets or post-industrial film recovery, this CE-certified solution seamlessly integrates with granulators and friction washers for closed-loop production systems.
1. What is the primary function of a Zig-Zag Air Classifier in a recycling line?
The Zig-Zag air classifier is used to separate light impurities (like paper, dust, film labels, textile fibers) from heavier plastic flakes or regrind material based on aerodynamic density differences. It ensures cleaner plastic output before extrusion or pelletizing.
2. What kinds of materials can be processed with this classifier?
It is suitable for a wide variety of rigid and flexible plastics, including:
Crushed PET/HDPE bottles
PP/PE films and bags
ABS, PS, PC flakes
Woven bags and label-contaminated materials
This makes it ideal for post-consumer, post-industrial, and agricultural plastic waste.
3. How does the Zig-Zag air classifier work?
Material is gravity-fed through a vertically arranged zig-zag channel while a stream of upward air is blown from the bottom. Heavier particles fall to the bottom outlet, while lightweight contaminants are carried upward to a separate discharge point.
4. What are the key advantages of this separation method?
Dry, contact-free separation (no water required)
Low energy consumption
Improved purity of the plastic flakes
Reduces wear and contamination in downstream pelletizing or extrusion lines
5. Can the airflow rate be adjusted?
Yes. The airflow is controlled via an adjustable blower system, allowing precise tuning for different material densities and impurity types.
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