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On the premises of the Eppendorf university medical centre, the energy centre of the hospital was completely renovated and rebuilt as an auxiliary and peak load heating plant that ensures the supply of the medical centre as well as that of the district heating network.
Two boiler plants generate hot water at an operating temperature of between 90 and 136°C in flow. The entire plant is safeguarded at a pressure of 16 bar and a temperature of 160°C. The dual-fuel firing of the boiler is done with natural gas and EL-type heating oil.
Downstream exhaust-heated feed water preheaters for return water makes a low exhaust temperature possible and therefore a hot water generation with an efficiency of > 96 %. In addition to heat generation, the erection of a heating oil storage facility with a capacity of 300 m2 is also part of the scope of services. A particular challenge during this project was building the entire plant without impeding or interrupting the ongoing operation of the hospital.
The contract, which was awarded to Kraftanlagen Hamburg in September 2007, includes the execution, detailed and construction engineering, procurement and erection as well as the commissioning and documentation of the technical systems as technical general contractor.