Co-firing straw and coal in a 150-MWe utility boiler: in situ measurements

P. F.B. Hansen, Karin Hedebo Andersen, K. Wieck-Hansen, P. Overgaard, I. Rasmussen, Flemming Frandsen, Lone Aslaug Hansen, Kim Dam-Johansen

Research output: Contribution to journalJournal articleResearchpeer-review

Abstract

A 2-year demonstration program is carried out by the Danish utility I/S Midtkraft at a 150-MWe PF-boiler unit reconstructed for co-firing straw and coal. As a part of the demonstration program, a comprehensive in situ measurement campaign was conducted during the spring of 1996 in collaboration with the Technical University of Denmark. Six sample positions have been established between the upper part of the furnace and the economizer. The campaign included in situ sampling of deposits on water/air-cooled probes, sampling of fly ash, flue gas and gas phase alkali metal compounds, and aerosols as well as temperature measurements. Material balance closures were carried out at all operating conditions. The experimental data was evaluated together with researchers from the Technical University of Denmark and the results were stored in a data base program developed under the CHEC-research program to predict deposition propensities and high temperature corrosion during co-combustion of straw and coal in PF-boilers. Danish full scale results from co-firing straw and coal, the test facility and test program, and the potential theoretical support from the Technical University of Denmark are presented in this paper. (C) 1998 Published by Elsevier Science B.V.
Original languageEnglish
JournalFuel Processing Technology
Volume54
Issue number1-3
Pages (from-to)207-225
ISSN0378-3820
DOIs
Publication statusPublished - 1998
EventEngineering-Foundation Conference Biomass Usage for Utility and Industrial Power - Snowbird, UT, United States
Duration: 28 Apr 19962 May 1996

Conference

ConferenceEngineering-Foundation Conference Biomass Usage for Utility and Industrial Power
CountryUnited States
CitySnowbird, UT
Period28/04/199602/05/1996

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