High requirements despite slow movement

basic flizz for primary clarifier in Plauen
In the large sewage treatment plant in Plauen, our basic flizz system reliably supplies the scraper bridge with energy. It replaces a motor cable drum, and since then the energy and signal supply of the primary clarifier has been running smoothly. The new system - a ready-to-install combination of energy chain and stainless steel enclosure - was specially developed to meet the requirement profile of sewage treatment plant operations.

Wanted: Alternative to motor cable drum

The classic solution for this application is a motor cable drum which travels on the scraper bridge and rewinds and unwinds the cable synchronously in accordance with the position of the scraper. However, such a system can cause problems, as those responsible at the Plauen sewage treatment plant pointed out. Andreas Schubert, sewage master and in charge of a master craftsman's area at the plant operator ZWAV (Zweckverband Wasser und Abwasser Vogtland): "As the cable is placed on the top of the basin, it can twist and also freeze in frosty conditions. Then it is run over by the scraper and must be replaced. “
 
This happened several times in Plauen, where the wastewater of around 70,000 inhabitants and the local industry is treated, and led to high repair costs because the cables are adapted to the adverse environmental conditions and are accordingly expensive. In this situation, the sewage plant operators looked for alternatives.

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