Rotary lobe compressor cuts costs
Problem
Personnel at the Town of Huntington (N.Y.) Wastewater Treatment Plant were troubled by the energy requirements of three 125 hp blowers powering aerators with variable-frequency drives in the two 1.5-million-gallon sequencing batch reactors. Supervisor John Pavlik looked at various blower manufacturer proposals.
Solution
G.A. Fleet Associates in Harrison, N.Y., suggested a side-by-side test with one of the older blowers and a Delta Hybrid rotary lobe compressor made in Germany by Aerzener Maschinenfabrik GmbH and distributed by Aerzen USA. The belt-driven unit combines the packaging principles of Aerzen rotary lobe blowers with screw compressor technologies for volume flows of
