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CFD modeling and thermodynamic analysis of a concept of a MILD-OXY combustion large scale pulverized coal boiler

Author

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  • Adamczyk, Wojciech P.
  • Bialecki, Ryszard A.
  • Ditaranto, Mario
  • Gladysz, Pawel
  • Haugen, Nils Erland L.
  • Katelbach-Wozniak, Anna
  • Klimanek, Adam
  • Sladek, Slawomir
  • Szlek, Andrzej
  • Wecel, Gabriel

Abstract

A concept of a large scale pulverized coal boiler working in the oxycombustion mode has been proposed. The combustion chamber has been designed using the Moderate and Intensive Low-oxygen Dilution (MILD) combustion technology. By screening CFD solutions of several geometric configurations the best one has been selected, for which the dependence of the oxygen excess ratio and recirculation rate of the flue gases analyzed onto the efficiency of the combustion chamber has been investigated. The results of the CFD simulations have been then embedded into a process model of the entire plant. The preliminary simulations show the possibility of efficiency increase of more than 3% points.

Suggested Citation

  • Adamczyk, Wojciech P. & Bialecki, Ryszard A. & Ditaranto, Mario & Gladysz, Pawel & Haugen, Nils Erland L. & Katelbach-Wozniak, Anna & Klimanek, Adam & Sladek, Slawomir & Szlek, Andrzej & Wecel, Gabrie, 2017. "CFD modeling and thermodynamic analysis of a concept of a MILD-OXY combustion large scale pulverized coal boiler," Energy, Elsevier, vol. 140(P1), pages 1305-1315.
    • Handle: RePEc:eee:energy:v:140:y:2017:i:p1:p:1305-1315
    DOI: 10.1016/j.energy.2017.03.130
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    References listed on IDEAS

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    1. Schaffel-Mancini, Natalia & Mancini, Marco & Szlek, Andrzej & Weber, Roman, 2010. "Novel conceptual design of a supercritical pulverized coal boiler utilizing high temperature air combustion (HTAC) technology," Energy, Elsevier, vol. 35(7), pages 2752-2760.
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    1. Adamczyk, Wojciech P. & Myöhänen, Kari & Hartge, Ernst-Ulrich & Ritvanen, Jouni & Klimanek, Adam & Hyppänen, Timo & Białecki, Ryszard A., 2018. "Generation of data sets for semi-empirical models of circulated fluidized bed boilers using hybrid Euler-Lagrange technique," Energy, Elsevier, vol. 143(C), pages 219-240.
    2. Mohammadpour, Mohammadreza & Ashjaee, Mehdi & Houshfar, Ehsan, 2022. "Thermal performance and heat transfer characteristics analyses of oxy-biogas combustion in a swirl stabilized boiler under various oxidizing environments," Energy, Elsevier, vol. 261(PA).
    3. Zhao, Zhenghong & Zhang, Zewu & Zha, Xiaojian & Gao, Ge & Li, Xiaoshan & Wu, Fan & Luo, Cong & Zhang, Liqi, 2023. "Internal association between combustion behavior and NOx emissions of pulverized coal MILD-oxy combustion affected by adding H2O," Energy, Elsevier, vol. 263(PD).
    4. Sładek, Sławomir & Katelbach-Woźniak, Anna & Adamczyk, Wojciech P. & Klimanek, Adam & Korus, Agnieszka & Szlęk, Andrzej, 2020. "Procedure for in-fly particle temperature detection under combustion conditions," Energy, Elsevier, vol. 191(C).
    5. Darbandi, Masoud & Fatin, Ali & Bordbar, Hadi, 2020. "Numerical study on NOx reduction in a large-scale heavy fuel oil-fired boiler using suitable burner adjustments," Energy, Elsevier, vol. 199(C).
    6. Paweł Ziółkowski & Stanisław Głuch & Piotr Józef Ziółkowski & Janusz Badur, 2022. "Compact High Efficiency and Zero-Emission Gas-Fired Power Plant with Oxy-Combustion and Carbon Capture," Energies, MDPI, vol. 15(7), pages 1-39, April.
    7. Gładysz, Paweł & Stanek, Wojciech & Czarnowska, Lucyna & Sładek, Sławomir & Szlęk, Andrzej, 2018. "Thermo-ecological evaluation of an integrated MILD oxy-fuel combustion power plant with CO2 capture, utilisation, and storage – A case study in Poland," Energy, Elsevier, vol. 144(C), pages 379-392.
    8. Tian, Ye & Zhou, Xiong & Ji, Xuanyu & Bai, Jisong & Yuan, Liang, 2019. "Applying moderate or intense low-oxygen dilution combustion to a co-axial-jet I-shaped recuperative radiant tube for further performance enhancement," Energy, Elsevier, vol. 171(C), pages 149-160.
    9. Madejski, Paweł & Żymełka, Piotr, 2020. "Calculation methods of steam boiler operation factors under varying operating conditions with the use of computational thermodynamic modeling," Energy, Elsevier, vol. 197(C).
    10. Jozaalizadeh, Toomaj & Toghraie, Davood, 2019. "Numerical investigation behavior of reacting flow for flameless oxidation technology of MILD combustion: Effect of fluctuating temperature of inlet co-flow," Energy, Elsevier, vol. 178(C), pages 530-537.
    11. Li, Zhengkuan & Tian, Songfeng & Zhang, Du & Chang, Chengzhi & Zhang, Qian & Zhang, Peijie, 2022. "Optimization study on improving energy efficiency of power cycle system of staged coal gasification coupled with supercritical carbon dioxide," Energy, Elsevier, vol. 239(PC).
    12. Li, Zhiyi & Ferrarotti, Marco & Cuoci, Alberto & Parente, Alessandro, 2018. "Finite-rate chemistry modelling of non-conventional combustion regimes using a Partially-Stirred Reactor closure: Combustion model formulation and implementation details," Applied Energy, Elsevier, vol. 225(C), pages 637-655.
    13. Wu, Haiqian & Kuang, Min & Wang, Jialin & Zhao, Xiaojuan & Yang, Guohua & Ti, Shuguang & Ding, Jieyi, 2020. "Lower-arch location effect on the flow field, coal combustion, and NOx formation characteristics in a cascade-arch, down-fired furnace," Applied Energy, Elsevier, vol. 268(C).

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