Munich Personal RePEc Archive

Efficiency assesment of a lignite-fired steam generator

Dosa, Ion and Marica, Laura (2017): Efficiency assesment of a lignite-fired steam generator. Published in: MultiScience-XXXI, microCAD International Multidisciplinary Scientific Conference No. ISBN:978-963-358-132-2 (20 April 2017)

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Abstract

Research on lignite-fired power plants highlighted that the efficiency of lignite-fired is 88.9% for PC (pulverized coal) and USC PC (ultra-supercritical pulverized coal) units while for CFBC (circulating fluidized bed combustion) is 87.0%. The efficiency assessment carried out for the boiler presented in this paper revealed that the highest efficiency achieved in actual operating conditions is 83% while the rated efficiency is 85%. Retrofitting old boilers to reach the efficiency of modern ones, around 95% is not an option since they will not comply with environmental standards.

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