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Application of the CFD simulation to the evaluation of natural gas replacement by syngas in burners of the ceramic sector

Author

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  • Gómez, Henar Olmedo
  • Calleja, Miguel Castaños
  • Fernández, Luis Aldea
  • Kiedrzyńska, Aleksandra
  • Lewtak, Robert

Abstract

Industrial furnace is one of the most energy intensive processes in Europe and it has been the focus of multiple researches to address improvements in the competitiveness energy, environmental and cost performance. One of the alternatives is the reduction of fossil fuel consumption, such as natural gas, promoting its substitution by an alternative fuel (Co-firing). This paper gathers a wide evaluation of the possibilities of substitution of natural gas. A revision of the types of syngas with potential for use has been carried out, as well as the evaluation of the physical properties of the mixtures from the combustion operation point of view. Three types of syngas from biomass gasification (BSG) and three from process off-gases (POG) have been considered. The feasibility study has taken into consideration parameters such as the lower heating value, the Woobe index, adiabatic flame temperature, air preheating temperature, total flue flow and laminar flame velocity. Regardless of the type of syngas, significant increase in volumetric fuel flow occurs in all cases. This behaviour is directly related to the LHV of the syngas, so that using syngases with lower LHV than the NG will always produce an increase of the fuel flow. A weigh matrix has been obtained in order to evaluate the viability of burners use with the syngas/natural gas mixture. It has been considered a burner commonly used in ceramic sector and it has been concluded that relevant modifications are necessary in order to consider the combustion of syngas/natural gas. The modifications have been evaluated using CFD simulations to stablish the proper design of the mix zone to ensure the mixture between the air, syngas and natural gas. This evaluation has been carried out following the fuel to air ratio.

Suggested Citation

  • Gómez, Henar Olmedo & Calleja, Miguel Castaños & Fernández, Luis Aldea & Kiedrzyńska, Aleksandra & Lewtak, Robert, 2019. "Application of the CFD simulation to the evaluation of natural gas replacement by syngas in burners of the ceramic sector," Energy, Elsevier, vol. 185(C), pages 15-27.
    • Handle: RePEc:eee:energy:v:185:y:2019:i:c:p:15-27
    DOI: 10.1016/j.energy.2019.06.064
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    Citations

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    Cited by:

    1. Quintero-Coronel, Daniel A. & Salazar, Adalberto & Pupo-Roncallo, Oscar R. & Bula, Antonio & Corredor, Lesme & Amador, German & Gonzalez-Quiroga, Arturo, 2023. "Assessment of the interchangeability of coal-biomass syngas with natural gas for atmospheric burners and high-pressure combustion applications," Energy, Elsevier, vol. 276(C).
    2. Danai Frantzi & Anastasia Zabaniotou, 2021. "Waste-Based Intermediate Bioenergy Carriers: Syngas Production via Coupling Slow Pyrolysis with Gasification under a Circular Economy Model," Energies, MDPI, vol. 14(21), pages 1-37, November.
    3. Giuntini, Lorenzo & Lamioni, Rachele & Linari, Luca & Saccomano, Pietro & Mainardi, Davide & Tognotti, Leonardo & Galletti, Chiara, 2022. "Decarbonization of a tissue paper plant: Advanced numerical simulations to assess the replacement of fossil fuels with a biomass-derived syngas," Renewable Energy, Elsevier, vol. 198(C), pages 884-893.
    4. Jithin, E.V. & Raghuram, G.K.S. & Keshavamurthy, T.V. & Velamati, Ratna Kishore & Prathap, Chockalingam & Varghese, Robin John, 2021. "A review on fundamental combustion characteristics of syngas mixtures and feasibility in combustion devices," Renewable and Sustainable Energy Reviews, Elsevier, vol. 146(C).
    5. Miguel Castro Oliveira & Muriel Iten & Pedro L. Cruz & Helena Monteiro, 2020. "Review on Energy Efficiency Progresses, Technologies and Strategies in the Ceramic Sector Focusing on Waste Heat Recovery," Energies, MDPI, vol. 13(22), pages 1-24, November.
    6. Kiedrzyńska, Aleksandra & Lewtak, Robert & Świątkowski, Bartosz & Jóźwiak, Piotr & Hercog, Jarosław & Badyda, Krzysztof, 2020. "Numerical study of natural gas and low-calorific syngas co-firing in a pilot scale burner," Energy, Elsevier, vol. 211(C).
    7. Xiao, Guolin & Gao, Xiaori & Lu, Wei & Liu, Xiaodong & Asghar, Aamer Bilal & Jiang, Liu & Jing, Wenlin, 2023. "A physically based air proportioning methodology for optimized combustion in gas-fired boilers considering both heat release and NOx emissions," Applied Energy, Elsevier, vol. 350(C).

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