Magdeburg, Germany
Planning period for dismantling: 08/2012 – 11/2012
Planning period for reconstruction: 03/2013 – today
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The Th. Arens Anlagenbau GmbH, as the general contractor, built an ORC biomass cogeneration plant including a peak load center to supply a district heating network in the Craucau district of Magdeburg for the Städtische Werke Magdeburg GmbH.
The biomass heating power plant was originally operated at a location in Tangermünde and was acquired by the Städtische Werke as a used plant in 2012 with the intention of dismantling the plant in Tangermünde and reassembling it in Magdeburg.
The dismantling planning was carried out by SEEGER ENGINEERING GMBH. All plant components of the biomass heating power plant were stored and preserved in Magdeburg.
After successful dismantling, SEEGER ENGINEERING GMBH was also contracted by Th. Arens Anlagenbau GmbH for the overall plant planning for the reconstruction.
The facility, including all auxiliary equipment, was constructed at a location owned by the Städtische Werke Magdeburg. In addition to the power plant components, the new construction includes three peak load gas boilers with a total capacity of approximately 10 MW.
In addition to the used equipment components, new components were also integrated into the power plant process as part of an optimization concept. Th. to modern fuel conveying technology, Arens Anlagenbau GmbH has also installed a new thermal oil heater, as it offers significant advantages over conventional thermal oil boiler technologies in terms of travel times, efficiency, and operational safety.
Natural forest residues as well as landscape maintenance material are used as fuel in the plant. The wood is transported to a grate combustion system using a push floor. The resulting hot flue gases from the combustion process are directed through an adjacent heat exchanger, where the thermal oil is heated to a temperature of approximately 315 °C. The hot thermal oil is then transferred as a heat transfer medium to the silicone circuit of the ORC module, where the silicone oil vaporizes and drives a turbine with a generator. The generated electricity is fed into the public grid. The flue gases produced during combustion are cleaned using a cyclone separator and electrostatic precipitator, and are released into the atmosphere through a 28-meter-high chimney.
For peak load supply, three gas-fired hot water boilers with a total thermal output of 10 MW are installed.
Natural residual wood from forests, landscape maintenance wood
Fuel quantity
ca. 45.000 t/a
Combustion heat capacity
13.000 kW
Electrical power
1.900 kW
Heat output
9.000 kW
Heat output
10.000 kW
Invest Total
7,45 Mio. €
