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Petersdorf sewage treatment plant, Malchow, Germany

The project:

Renovation of the sewage treatment plant to permit reliable wastewater treatment in the tourist area for vacation season.


Executing company:

Malchow Municipal Utilities as customer

ROTARIA Energie- u. Umwelttechnik GmbH, Rerik


Tsurumi consultants:

Mr. Thomas Elendt (External sales force East)


The problem:

The eastern part of the Plauer See is characterised by tourism. As a result, the volume of wastewater triples during vacation season. The sewage treatment plant no longer reflected the state of the art and had insufficient capacity. The mechanically pretreated wastewater must be mixed with air to ensure nitrification and subsequent denitrification.


The solution:

The use of three Tsurumi BER immersible ventilators (ejectors) for oxygen enrichment of the wastewater in each of two basins. Simple installation and service in comparison with plate ventilation. The second basin is then put into operation as the number of vacationers increases or during service work.

U slučaju abrazivnih i korozivnih primjena, normalno je da će se u određenim komponentama dogoditi snažnije trošenje. S obzirom na gornju primjenu trošenje se može odvijati uglavnom u radnom kolu, miješalici, usisnoj ploči, rukavcu osovine, uljnom prstenu, mehaničkoj brtvi, kućištu pumpe, cjedilu, kućištu motora i ispusnoj spojki. Ovisno o radnim uvjetima vijek trajanja tih dijelova može značajno varirati i može biti kraći od pravnog zakonskog razdoblja.
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