Pump life extended at power plant

29 September 2009

Ancillary components in Northampton, UK has turned to Netzsch Pumps to replace standard compressing cavity pumps and bolster service life of the machines feeding the Goosey Lodge Power Plant. The two NM063SS01L06B Netzch pumps handle biomass, including animal by-products and wastes, blended to typically 50 per cent dry solids content by weight.

The plant runs continuously except for brief outages for planned maintenance and the Netzch pumps require a stator change after about six months. The company claims this is twice as long as expected and considerably longer than the original pumps could manage.

Netzsch pumps incorporate a patented iFD stator, which allows the elastomer to flex when in contact with abrasive particles. This is designed to reduce the abrasive effect on both itself and the metal rotor. The iFD stator was developed in conjunction with the German Environmental Foundation (DBU) and can be retro fitted to modern Netzsch pump models.

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