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UDC 628.356

Berezin S. E.

Choosing the method of air blower control for wastewater aeration

Summary

The following methods of aeration airflow control by air blowers at the wastewater treatment facilities are considered: throttling with a baffler upstream the inlet fitting of the air blower; varying the shaft speed with the variable frequency electric drive; changing the angle of airflow attack with turning vanes inside the blower upstream and downstream of the impeller.

Key words

wastewater aeration , blower installation , airflow control , power efficiency