Recovery and energy use of flue gas from a coal power plant
Abstract
The paper presents a technology for heat recovery from flue gas generated in power units of coal-fired power plants. Thetechnology for heat recovery from flue gas is based on bringing the water vapor contained in flue gas to condensation.A thorough analysis was performed of the potential of recovering heat from gas formed through the combustion of coal andlignite. The results were confirmed experimentally at the laboratory scale and in a pilot-scale real facility. The test results wereused in the formulation of conclusions and guidelines that will provide valuable insight to the design of a heat recovery system.The analysis and tests performed demonstrated that the recovery of waste heat from flue gas through the condensation ofwater vapor is justified only if the flue gas contains a lot of moisture, e.g. flue gas formed through the combustion of lignite.References
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risk related to the integration of a supercritical coal-fired combined
heat and power plant with an absorption installation for CO2
separation, Applied Energy 156 (2015) 423–435.
[2] C. Wang, B. He, L. Yan, X. Pei, S. Chen, Thermodynamic analysis of
a low-pressure economizer based waste heat recovery system for a
coal-fired power plant, Energy 65 (2014) 80–90.
[3] C. Wang, B. He, S. Sun, Y. Wu, N. Yan, L. Yan, X. Pei, Application of
a low pressure economizer for waste heat recovery from the exhaust
flue gas in a 600 MW power plant, Energy 48 (1) (2012) 196–202.
[4] D. Wang, A. Bao, W. Kunc, W. Liss, Coal power plant flue gas waste
heat and water recovery, Applied Energy 91 (1) (2012) 341–348.
[5] X. Shi, D. Che, B. Agnew, J. Gao, An investigation of the performance
of compact heat exchanger for latent heat recovery from exhaust flue
gases, International Journal of Heat and Mass Transfer 54 (1) (2011)
606–615.
[6] Ł. Bartela, J. Kotowicz, H. Kubiczek, A. Skorek-Osikowska,
M. Brze˛czek, Thermodynamic and economical analysis of the ORC
module application to an existing combined heat and power unit with
the backpressure turbine, Proceedings of the Institution of Mechanical
Engineers, Part A: Journal of Power and Energy 229 (6) (2015)
613–627.
[7] Wójs K., Szulc P., Tietze T., Odzysk niskotemperaturowego ciepła
odpadowego ze spalin wylotowych. Odzysk i zagospodarowanie
niskotemperaturowego ciepła odpadowego ze spalin wylotowych / scientific
editor: Kazimierz Wójs. Warszawa, Polish Scientific Publishers
PWN, 2015:1-111.
[8] P. Szulc, T. Tietze, K. Wójs, Numerical analysis of a waste heat recovery
process with account of condensation of steam from flue gases,
Archives of Civil and Mechanical Engineering 15 (4) (2015) 1017–
1023.
[9] T. Tietze, P. Szulc, K. Wójs, Wyznaczanie ciepła skraplania pary wodnej
na przykładzie kondensacyjnego wymiennika ciepła do odzysku
ciepła odpadowego ze spalin, Rynek Energii.
[10] P. Szulc, T. Tietze, P. Ra˛czka, K. Wójs, Porównanie wybranych konstrukcji
wymienników ciepła pracuja˛cych w układzie odzysku ciepła
odpadowego ze spalin wylotowych, Archiwum Energetyki 43.
[11] T. Tietze, P. Szulc, M. Lepszy, K. Wójs, Stanowisko do badania kondensacyjnego
wymiennika ciepła do odzysku ciepła odpadowego ze
spalin, Rynek Energii.
Published
2017-07-21
How to Cite
SZULC, Piotr; TIETZE, Tomasz.
Recovery and energy use of flue gas from a coal power plant.
Journal of Power Technologies, [S.l.], v. 97, n. 2, p. 135--141, july 2017.
ISSN 2083-4195.
Available at: <https://papers.itc.pw.edu.pl/index.php/JPT/article/view/957>. Date accessed: 21 dec. 2024.
Issue
Section
Energy from Gas 2016 Conference
Keywords
flue gas, heat recovery, waste heat, power plant unit
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