First- and second-law analyses of energy recoveries in blast-furnace regenerators

We examine various systems for the recovery of thermal energy from waste gases and for preheating in blast-furnace Cowper stoves, with the basic aim of improving efficiencies when utilizing blast-furnace gas with low net heating value at constant peak temperature. Using first- and second-law analyse...

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Bibliographic Details
Published in:Energy (Oxford) 1996, Vol.21 (2), p.147-155
Main Author: Bisio, G.
Format: Article
Language:English
Subjects:
Applied sciences
Blast furnaces
Devices using thermal energy
Energy
Energy storage
Energy. Thermal use of fuels
Exact sciences and technology
Furnaces
Heat transfer
Heating
Temperature
Waste heat utilization
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Summary:We examine various systems for the recovery of thermal energy from waste gases and for preheating in blast-furnace Cowper stoves, with the basic aim of improving efficiencies when utilizing blast-furnace gas with low net heating value at constant peak temperature. Using first- and second-law analyses, with suitably defined exergetic quantities, numerical values are given to measure energy savings.
ISSN:0360-5442
DOI:10.1016/0360-5442(95)00103-4