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Scroll compressor for the beverage industry

Source:Food Bev Asia

Date Published:2/7/2017 11:02:21 AM

The new scroll compressor from BOGE is workstation-compatible and geared to user needs 

PURITY isn’t just an issue when making beer, but also when decanting any drink. BOGE KOMPRESSOREN has now extended its EO range of scroll compressors to ensure full protection from contamination.  The new EO 11 produces class 0 oil-free compressed air in the 11 kW performance segment. This means BOGE now covers the full performance range from 5.5 kW to 22 kW. The EO series is available with one to four airends.  In the upgrade-ready version the EO 11 can be alternatively retrofitted with an integrated refrigerant dryer or a third airend.  Its compact design combined with operation at min. 59 dB(A) means there is no problem with installing the system next to the workplace. 

Oil-free compressed air for sensitive applications – BOGE caters for this requirement with its Eccentric-Oil free (EO) compressors. The recipe for success here is the scroll compressor technology which does without oil lubrication: The aluminium spirals in the compressor chamber intermesh but do not touch. The resulting compressed air is pulsation-free and absolutely free of oil. 

“The EO scroll compressors are perfect for connecting a nitrogen PSA generator from BOGE’s N P series when decanting wine. Nitrogen prevents the wine from fermenting further and stops bacteria or mould forming in the bottle, resulting in an improvement in the shelf life and quality of the product,” remarks Nalin Amunugama, General Manager, BOGE KOMPRESSOREN Asia Pacific Pte Ltd.

With the launch of the EO 11 scroll compressor BOGE is systematically extending this range and is now able to cover the performance segments from 5.5 kW to 22 kW.

Modular, compact, application-oriented

Up to four compressors can be installed in the housing of the compressor to ensure flexible adaptation to the compressed air demand. At 10 bar the EO series can cover delivery rates from 490 l/min to 1,960 l/min, while at 8 bar the supply of compressed air ranges from 620 l/min to 2,480 l/min. Featuring a modular design, the EO series can be ordered with an integrated or separate refrigerant compressed air dryer, mounted on a receiver or as a duplex and multiple system. Like the EO 17, the new EO 11 is available as an upgrade version. This allows the two-stage compressor to be extended to include a third airend or an integrated refrigerant dryer. 

The system comes with the electrics required, offering users flexible options for retrofitting. The machine design ensures optimum space utilization, with EO system solutions being no wider than a standard doorway. In conjunction with its quiet operation – min.  59  dB(A)  –  the compressor is perfect for installation next to a workstation. 

Flexibility – more than just a catchword

BOGE's control system, focus control 2.0, can regulate up to four EO scroll compressors horizontally with base load switching, so ensuring efficient control for as many as 16 compressor units. And when maintenance is required, users benefit from unrestricted operation of the compressed air system. Durability and efficiency are backed up by a two-stage cooling concept. The temperature of the compressed air is first cooled by a primary surface cooler, followed by an after cooler in stainless steel. The pressure dew point for delta t is approx. 8 K.

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