Buy (120 RUB)
|Generate QR code
Open Access
Subscription or Fee Access
Using CFD modeling and thermal calculations to increase operation efficiency water heating boiler unit
https://doi.org/10.15518/isjaee.2023.11.047-055
Abstract
The article discusses a simplified approach to modeling the processes occurring in the combustion chamber of a hot water boiler with an inclined-pushing grate. Numerical modeling of the water-heating boiler of the Kovrov plant KVm-4D was carried out, on the basis of which recommendations for improving its design were proposed, and the results of numerical modeling of temperature fields and concentrations of combustion products were clearly presented. Thermal calculations were performed under various operating modes and the design of the boiler combustion chamber and the effectiveness of the proposed changes was shown. A detailed approach to performing thermal calculations of a boiler unit with flue gas recirculation has been developed.
Keywords
About the Authors
I. I. Tsypnyatov
Northern (Arctic) Federal University named after. M.V. Lomonosov
Russian Federation
Russian Federation
Ilya Igorevich Tsypnyatov, 1-st year post-graduate student in the specialty energy systems and complexes, Junior research assistant
Northern Dvina embankment, 17; Arkhangelsk
Education: higher technical education; Research area: bioenergy, renewable energy sources; Publications: 6
Tel.: +7 (81-82) 21-61-75
V. K. Lyubov
Northern (Arctic) Federal University named after. M.V. Lomonosov
Russian Federation
Russian Federation
Victor Konstantinovich Lyubov, Head of the Department, Doctor of technical sciences, Professor
Department of Heat Power Engineering and Heat Engineering
Northern Dvina embankment, 17; Arkhangelsk
Education: higher technical education; Research area: comprehensive improvement of the efficiency of heat generating plants; Publications: author 401 scientific and methodological works
Tel.: +7 (81-82) 21-61-75
E. V. Pankratov
Northern (Arctic) Federal University named after. M.V. Lomonosov
Russian Federation
Russian Federation
Evgeniy Vladimirovich Pankratov, Associate Professor, Ph.D.
Department of Thermal Power Engineering and Heat Engineering
Northern Dvina embankment, 17; Arkhangelsk
Education: higher technical education; Research area: thermal physics, swirling flows; Publications: author of 23 scientific and methodical works
Tel.: +7 (81-82) 21-61-75
References
1. Teplovoi raschet kotel'nykh agregatov (Normativnyi metod) [Tekst] / Pod red. N. V. Kuznetsova i dr. – M.: Ehnergiya, 1973. – 256 s.
2. Teplovoi raschet kotlov [Tekst] /normativnyi metod/. Izdanie 3-e, pererabotannoe i dopolnennoe. – SPb.: NPO TSKTI, 1998. – 256 s.
3. S. Somwangthanaroj and S. Fukuda, CFD modeling of biomass grate combustion using a steady-state discrete particle model (DPM) approach, Renew Energy, vol. 148, pp. 363–373, Apr. 2020, doi: 10.1016/j.renene.2019.10.042.
4. J. Micieta, J. Hajek, and J. Jandacka, Simple model of pellet combustion in retort burner, Communications - Scientific Letters of the University of Žilina, vol. 17, no. 4, pp. 34–39, 2015, doi: 10.26552/com.c.2015.4.34-39.
5. J. Silva, M. E. Ferreira, S. Chapela, J. Porteiro, S. F. C. F. Teixeira, and J. Teixeira, COMBUSTION MODELLING OF A 20 kW PELLET BOILER, 2018. [Online]. Available: https://proceedings.asmedigitalcollection.asme.org.
6. L. G. Varela, M. A. Gómez, M. Garabatos, D. Glez-Peña, and J. Porteiro, Improving the bed movement physics of inclined grate biomass CFD simulations, Appl Therm Eng, vol. 182, Jan. 2021, doi: 10.1016/j.applthermaleng.2020.116043.
7. T. Zadravec, B. Rajh, F. Kokalj, and N. Samec, CFD modelling of air staged combustion in a wood pellet boiler using the coupled modelling approach, Thermal Science and Engineering Progress, vol. 20, Dec. 2020, doi: 10.1016/j.tsep.2020.100715.
8. P. Motyl, D. Król, S. Poskrobko, and M. Juszczak, Numerical modelling and experimental verification of the low-emission biomass combustion process in a domestic boiler with flue gas flow around the combustion chamber, Energies (Basel), vol. 13, no. 21, Nov. 2020, doi: 10.3390/en13215837.
9. N. Jurtz, M. Kraume, and G. D. Wehinger, Advances in fixed-bed reactor modeling using particle-resolved computational fluid dynamics (CFD), Reviews in Chemical Engineering, vol. 35, no. 2, pp. 139–190, Feb. 2019, doi: 10.1515/revce-2017-0059.
10. J. Wiese et al., DEM/CFD modeling of the fuel conversion in a pellet stove, Fuel Processing Technology, vol. 152, pp. 223–239, Nov. 2016, doi: 10.1016/j.fuproc.2016.06.005.
11. V. K. Lyubov, KOMPLEKSNAYA EHFFEKTIVNOST' PRIMENENIYA DREVESNYKH GRANUL V EHNERGOUSTANOVKAKH, doi: 10.37482/0536-1036-2021-1-159-172.
12. Lyubov, V.K. Ehksperimental'noe issledovanie vosplameneniya i goreniya chastits tverdogo topliva [Tekst] // Izvestiya vuzov. Lesnoi zhurnal, 2008, № 2, s. 140-148, UDK 621.181:662.612.
13. Lyubov V.K., Popov A.N., Popova E.I., Tsypnyatov I.I. Improving the efficency of pellet hot water boilers. Alternative Energy and Ecology (ISJAEE). 2020;(31-33):56-65. (In Russ.) URL: http://www.csl.isc.irk.ru/BD/%D0%96%D1%83%D1%80%D0%BD%D0%B0%D0%BB%D1%8B/%D0%B0%D0%BB%D1%8C%D1%82%D0%B5%D1%80%20%D1%8D%D0%BD%D0%B5%D1%80%D0%B3%D0%B5%D1%82%D0%B8%D0%BA%D0%B0%20%D0%B8%20%D1%8D%D0%BA%D0%BE%D0%BB%D0%BE%D0%B3%D0%B8%D1%8F%20%E2%84%9631-33%202020%D0%B3/56-65.pdf.
Review
For citations:
Tsypnyatov I.I., Lyubov V.K., Pankratov E.V. Using CFD modeling and thermal calculations to increase operation efficiency water heating boiler unit. Alternative Energy and Ecology (ISJAEE). 2023;(11):47-55. (In Russ.) https://doi.org/10.15518/isjaee.2023.11.047-055
Views:
154
Email this article 