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Technocell Decor GmbH & Co. KG, a company that is part of the Felix Schoeller Group, produces high-quality special papers at its location in Titisee-Neustadt.
As replacement for the existing boiler plant, three new steam generators were installed as a shell boiler. A downstream steam turbine with an electrical power performance of 1,200kW reduces the steam pressure and temperature to a level required for the production plants.
The steam generators supply 16 t/h of hot steam each with a working overpressure of 18 bar and a steam temperature of 250 °C. The dual-fuel firing of the steam generator is done with natural gas and EL-type heating oil. A downstream exhaust-heated feed water preheater makes a low exhaust temperature possible and therefore a steam generation with an efficiency of > 95 %.
The contract, which was awarded to Kraftanlagen Hamburg in January 2002, includes execution, detailed and construction engineering, procurement and erection as well as commissioning and documentation of the steam and power generation plant as technical general contractor.
A particular challenge was the adaptation and optimisation of the system control to the steam demand of the production, which fluctuated for a short time.