Energy recovery from waste is an efficient way to reduce emissions of greenhouse gas and other gaseous, liquid and solid pollutants and thereby to contribute to a sustainable development. Waste fired power plants are an important part of the European waste management system, and the demands made to modern waste fired power plant are very focused on high electrical output. Lately, Babcock & Wilcox Vo̸lund (BWV) and the CHEC research centre at the Technical University of Demnark has developed a new technology and received a world patent. The basic idea is to improve the electrical efficiency by increasing the steam data. Especially, increasing the steam temperature without the risk of superheater corrosion. The new concept is fully integrated in the boiler and from the outside the waste fired power plant has the same layout as the classic waste fired power plant. The goal is to achieve an increase between 50 °C to 100 °C in the superheated steam temperature and a total increase of electrical efficiency up to 30% without any influence on the normal operation. This paper presents the basic ideas that provide a basis for the patent. The core of the technology is a combination of a new furnace design and a new control system. At the moment, test results from an operating plant support the principal idea. Furthermore, the concept will be studied in the numerical laboratory where CFD simulation will be used to evaluate the technology and to determine the potential process improvements. The final improvement of electricity production has to be determined in the coming test period on a full scale installation, which is currently being planned.
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16th Annual North American Waste-to-Energy Conference
May 19–21, 2008
Philadelphia, Pennsylvania, USA
Conference Sponsors:
- Solid Waste Processing Division and Environmental Engineering Division
ISBN:
0-7918-4293-2
PROCEEDINGS PAPER
High Electrical Efficiency by Dividing the Combustion Products
Ole Hedegaard Madsen
,
Ole Hedegaard Madsen
Babcock & Wilcox Vo̸lund, Glostrup, Denmark
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Martin Bo̸jer
,
Martin Bo̸jer
Technical University of Denmark, Lyngby, Denmark
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Peter Arendt Jensen
,
Peter Arendt Jensen
Technical University of Denmark, Lyngby, Denmark
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Kim Dam-Johansen
Kim Dam-Johansen
Technical University of Denmark, Lyngby, Denmark
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Ole Hedegaard Madsen
Babcock & Wilcox Vo̸lund, Glostrup, Denmark
Martin Bo̸jer
Technical University of Denmark, Lyngby, Denmark
Peter Arendt Jensen
Technical University of Denmark, Lyngby, Denmark
Kim Dam-Johansen
Technical University of Denmark, Lyngby, Denmark
Paper No:
NAWTEC16-1911, pp. 51-60; 10 pages
Published Online:
June 22, 2009
Citation
Madsen, OH, Bo̸jer, M, Jensen, PA, & Dam-Johansen, K. "High Electrical Efficiency by Dividing the Combustion Products." Proceedings of the 16th Annual North American Waste-to-Energy Conference. 16th Annual North American Waste-to-Energy Conference. Philadelphia, Pennsylvania, USA. May 19–21, 2008. pp. 51-60. ASME. https://doi.org/10.1115/NAWTEC16-1911
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