Principles of Air Separator:
- Separates particles based on size, shape, and density using an airflow.
- Lighter and finer particles are carried away by the air stream, while heavier particles settle.
Construction of Air Separator:
- Separation Chamber: A vertical or horizontal chamber where separation occurs.
- Fans/Blowers: Generate the airflow required for separation.
- Inlet: For feeding the material to be separated.
- Outlets: Separate outlets for light and heavy particles.
- Control System: To adjust the airflow and separation efficiency.

Working of Air Separator:
- The material is introduced into the separation chamber.
- Airflow generated by fans blows through the chamber.
- Lighter particles are carried upward or downstream with the air, while heavier particles fall due to gravity.
- Separated particles are collected at different outlets.
Uses:
- Classification of powders in the chemical, pharmaceutical, and food industries.
- Used in milling operations to separate fine particles from coarse ones.
Merits:
- Can handle a variety of particle sizes and shapes.
- Adjustable to achieve desired separation efficiency.
- Suitable for continuous operation.
Demerits:
- High energy consumption due to the use of fans.
- Not effective for particles with similar densities.
- Potential for air pollution if not properly controlled.
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