A new method for investigating the combustion behaviour of solid fuels in FBC

A new method for the estimation of fuel specific parameters is introduced to characterize the burn-up behaviour of solid fuels, biomass and waste materials under fluidized bed conditions. For this purpose a specially designed gaspotentiometric oxygen sensor probe is used to detect the oxygen consump...

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Bibliographic Details
Published in:Fuel (Guildford) 1998, Vol.77 (3), p.127-134
Main Authors: Lorenz, Heike, Rau, Helmut
Format: Article
Language:English
Subjects:
Applied sciences
combustion behaviour
Energy
Energy. Thermal use of fuels
Equipments for energy generation and conversion: thermal, electrical, mechanical energy, etc
Exact sciences and technology
fuel characterization in FBC
Furnaces. Firing chambers. Burners
in situ measuring technique
Solid and pulverized fuel burners and combustion chambers
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Summary:A new method for the estimation of fuel specific parameters is introduced to characterize the burn-up behaviour of solid fuels, biomass and waste materials under fluidized bed conditions. For this purpose a specially designed gaspotentiometric oxygen sensor probe is used to detect the oxygen consumption during the batchwise fuel combustion directly in the combustion zone of a fluidized bed reactor. As a result of the in situ measurement and the fast response time of the sensor, the combustion behaviour of the fuel can be immediately described by its typical burn-out curve and, moreover, by the burn-out time, the effective reaction rate constant and a relative reactivity value as fuel specific parameters.
ISSN:0016-2361
1873-7153
DOI:10.1016/S0016-2361(97)00185-3