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In-furnace processes in a 235 MWe CFB boiler

Filip Johnsson (Institutionen för energiomvandling) ; Andreas Johansson (Institutionen för energiomvandling) ; Johan Sternéus (Institutionen för energiomvandling) ; Bo Leckner (Institutionen för energiomvandling) ; Ernst-Ulrich Hartge ; Sylvia Budinger ; Marcus Fehr ; Joachim Werther ; Robert Sekret ; Zbigniew Bis ; Wojciech Nowak ; Pavel Noskievic ; Tadeas Ochodek ; Jacek Gadowski ; Janusz Jablonski ; Roman Walkowiak ; Per Kallner ; Erik Engel ; Lars Strömberg ; Timo Hyppänen ; Ari Kettunen
Proc. of the 7th International Conference on Circulating Fluidized Beds p. 607-614. (2002)
[Konferensbidrag, refereegranskat]

In an experimental project funded by the 5th Framework Programme of the European Community (EC), different measurement techniques are used to analyze in-furnace processes in a 235 MWe Circulating Fluidized Bed (CFB) boiler in Turow, Poland. The purpose of the project is to assess the insufficiently known features of large-scale CFB boilers. The furnace of the boiler has a cross-section of 21 x 10 meters and a height of 43 meters. The boiler is operated on a local brown coal. Steady state, as well as dynamic conditions, are studied. The project is unique in two respects: Firstly, several measurement ports are provided in the large CFB furnace for in-situ measurements in various locations on the furnace. Secondly, a number of measurement techniques are employed. These facilitate studies of hydrodynamic processes as well as local variations in gas components (such as O2, CO, THC) and solids materials. The paper describes the measurement techniques and provides examples of the first (hydrodynamic) results obtained by the in-situ measurements.

Nyckelord: Fluidized bed combustion; Boiler; Measurements


Venue: Niagara, Canada Edited by John R. Grace and by Jingxu Zhu and Hugo de Lasa. This paper is extended by "A experimental study of in-furnace processes and dynamic behaviour of a 235 MWe CFB boiler" published in VGB PowerTech No 3, 2004. CPL no 4955.



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Denna post skapades 2016-07-06. Senast ändrad 2016-08-15.
CPL Pubid: 239067

 

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Institutionen för energiomvandling (1900-2003)

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