Atlas Copco Z Series variable speed drive compressor

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Atlas Copco’s Z series of variable speed drive (VSD) compressors, featuring in-built drying systems and Energy Recovery (ER), are suitable for the food processing industry. Oil-free compressed air, with low moisture content from the in-built dryer, helps ensure the quality of the food being produced. With no risk of contamination from machine oil in the compressed air that is used in food processing, the quality of the produced food is guaranteed, the company said.

The VSD is able to reduce the electrical power requirement of the compressor by an average of 35%. Meanwhile, the ER system can recover up to 94% of the remaining input energy to the compressor. This energy is recovered in the form of water heating, which can be used supplement boiler feed for steam etc.

For example, a standard 132 kW oil-injected screw compressor will use over 1000 MWh of electricity in a year. Replacing this compressor with a Z series compressor with VSD technology can save over 350 MWh per year, reducing the electrical input energy to just 650 MWh. Coupling the compressor with the ER system will recover over 650 MWh of heating energy. This effectively means that the compressor allows the user to use the input energy twice and saves over 1000 MWh of energy every year.

For more information: www.atlascopco.com.au/compressorsaustralia.