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)

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.

• Item Type: MPRA Paper
• Language: English
• Keywords: energy efficiency, lignite-fired, boiler
• Subjects: Q - Agricultural and Natural Resource Economics ; Environmental and Ecological Economics > Q4 - Energy > Q49 - Other; Q - Agricultural and Natural Resource Economics ; Environmental and Ecological Economics > Q5 - Environmental Economics > Q53 - Air Pollution ; Water Pollution ; Noise ; Hazardous Waste ; Solid Waste ; Recycling

References

[1]. http://ec.europa.eu/energy/efficiency/eed/eed_en.htm.

[2]. Zhu, Q., Update on lignite firing, CCC/201, ISBN 978-92-9029-521-1, Publisher IEA Clean Coal Center, June 2012, p.64. http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.697.960&rep=rep1&type=pdf

[3]. http://www.npc.org/study_topic_papers/4-dtg-electricefficiency.pdf

[4]. National Energy Regulatory Authority, Guide to development and analysis of energy balance. Approved by decision nr. 2123/23.09.2014.

[5]. Carabogdan, I. Gh., et al., Energy Balances - problems and applications. Tehnica Publishing House, Bucharest, (1986) pp.121-140.

[6]. Berinde, T., et al., Elaboration and analysis of energy balance in the industry. Tehnica Publishing House, Bucharest, (1976), vol. I, pp.50-95.

[7]. http://www.slideshare.net/MohammadShoebSiddiqu/steam-generator-part-2

[8]. http://www.aceee.org/files/proceedings/2009/data/papers/6_92.pdf

[9]. Zhang, D., Xu, M. and Li, A. (2012), Techno-economic analysis of a 300 MWe coal-fired power plant retrofitted with post-combustion CO2 capture. Asia-Pacific Jrnl of Chem. Eng, 7: S201–S208. doi: 10.1002/apj.614.

[10]. Petrilean, D.C., Elaborating and Analysing the Real Balance of Heat for the Steam Generator RGL 10/DD 2008, Annals of the University of Petroşani, Mechanical Engineering, vol.10 (2008), ISSN:1454-9166, pp. 155-160.

[11]. http://www.aceee.org/files/proceedings/2009/data/papers/6_92.pdf.

[12]. http://www.npc.org/study_topic_papers/4-dtg-electricefficiency.pdf