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Evaluation of wide-range coal combustion performance of a novel down-fired combustion technology based on gas–solid two-phase flow characteristics

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  • Zhang, Xin
  • Chen, Zhichao
  • Hou, Jian
  • Liu, Zheng
  • Zeng, Lingyan
  • Li, Zhengqi

Abstract

In order to achieve peaking carbon dioxide emissions and carbon neutrality, a variety of down-fired combustion technologies has been proposed. The existing central air supplied combustion technology (CASCT) used for burning blended bituminous coal faces some serious problems. In order to solve the problem of the wide-range coal combustion in down-fired boiler, this study proposes a novel primary air biased combustion technology (PABCT). The coal gas–solid two-phase flow characteristics and numerical simulation of combustion characteristics under the PABCT and CASCT were compared. The results indicated that compared with the CASCT, under the PABCT, the velocity attenuation in the vertical direction is slower and the airflow diffusion range is smaller below the arch. The attenuation rate of particle volume flux with the downward flow of pulverized coal is slow, and the space utilization rate of the lower furnace is high under the PABCT. The thermal numerical simulation confirms the conclusion obtained from the cold gas–solid two-phase experiment. The PABCT exhibits the characteristics of large undershoot depth of coal/air flow, low temperature in the burner nozzle area, high burnout, low NOx emissions, and slag prevention, thus making it more suitable for wide-range coal combustion from the perspective of furnace flow and combustion.

Suggested Citation

  • Zhang, Xin & Chen, Zhichao & Hou, Jian & Liu, Zheng & Zeng, Lingyan & Li, Zhengqi, 2022. "Evaluation of wide-range coal combustion performance of a novel down-fired combustion technology based on gas–solid two-phase flow characteristics," Energy, Elsevier, vol. 248(C).
    • Handle: RePEc:eee:energy:v:248:y:2022:i:c:s0360544222005655
    DOI: 10.1016/j.energy.2022.123662
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    References listed on IDEAS

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    1. Li, Zhengqi & Liu, Guangkui & Zhu, Qunyi & Chen, Zhichao & Ren, Feng, 2011. "Combustion and NOx emission characteristics of a retrofitted down-fired 660Â MWe utility boiler at different loads," Applied Energy, Elsevier, vol. 88(7), pages 2400-2406, July.
    2. Li, Yuan & Zhou, You & Yi, Bo-Wen & Wang, Ya, 2021. "Impacts of the coal resource tax on the electric power industry in China: A multi-regional comprehensive analysis," Resources Policy, Elsevier, vol. 70(C).
    3. Ma, Lun & Fang, Qingyan & Tan, Peng & Zhang, Cheng & Chen, Gang & Lv, Dangzhen & Duan, Xuenong & Chen, Yiping, 2016. "Effect of the separated overfire air location on the combustion optimization and NOx reduction of a 600MWe FW down-fired utility boiler with a novel combustion system," Applied Energy, Elsevier, vol. 180(C), pages 104-115.
    4. Liu, Guangkui & Li, Zhengqi & Chen, Zhichao & Zhu, Xingying & Zhu, Qunyi, 2012. "Effect of the anthracite ratio of blended coals on the combustion and NOx emission characteristics of a retrofitted down-fired 660-MWe utility boiler," Applied Energy, Elsevier, vol. 95(C), pages 196-201.
    5. Yan, Rong & Chen, Zhichao & Zhang, Bo & Zheng, Yu & Li, Zhengqi, 2022. "Impact of radial air staging on gas-particle flow characteristics in an industrial pulverized coal boiler," Energy, Elsevier, vol. 243(C).
    6. Nakamura, Kotaro & Muramatsu, Takehiko & Ogawa, Takashi & Nakagaki, Takao, 2021. "Prediction of de-NOx performance using monolithic SCR catalyst under load following operation of natural gas-fired combined cycle power plants," Energy, Elsevier, vol. 227(C).
    7. Yin, Chungen & Yan, Jinyue, 2016. "Oxy-fuel combustion of pulverized fuels: Combustion fundamentals and modeling," Applied Energy, Elsevier, vol. 162(C), pages 742-762.
    8. Wang, Qingxiang & Chen, Zhichao & Wang, Liang & Zeng, Lingyan & Li, Zhengqi, 2018. "Application of eccentric-swirl-secondary-air combustion technology for high-efficiency and low-NOx performance on a large-scale down-fired boiler with swirl burners," Applied Energy, Elsevier, vol. 223(C), pages 358-368.
    9. Fan, J.R. & Liang, X.H. & Chen, L.H. & Cen, K.F., 1998. "Modeling of NOx emissions from a W-shaped boiler furnace under different operating conditions," Energy, Elsevier, vol. 23(12), pages 1051-1055.
    10. Kuang, Min & Li, Zhengqi, 2014. "Review of gas/particle flow, coal combustion, and NOx emission characteristics within down-fired boilers," Energy, Elsevier, vol. 69(C), pages 144-178.
    11. McNeil, Michael A. & Feng, Wei & de la Rue du Can, Stephane & Khanna, Nina Zheng & Ke, Jing & Zhou, Nan, 2016. "Energy efficiency outlook in China’s urban buildings sector through 2030," Energy Policy, Elsevier, vol. 97(C), pages 532-539.
    12. Fan, Weidong & Li, Youyi & Lin, Zhengchun & Zhang, Mingchuan, 2010. "PDA research on a novel pulverized coal combustion technology for a large utility boiler," Energy, Elsevier, vol. 35(5), pages 2141-2148.
    13. Liu, Guangkui & Chen, Zhichao & Li, Zhengqi & Zong, Qiudong & Zhang, Hao, 2014. "Effect of the arch-supplied over-fire air ratio on gas/solid flow characteristics of a down-fired boiler," Energy, Elsevier, vol. 70(C), pages 95-109.
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    1. Feng, Yanbin & Luo, Shibin & Song, Jiawen & Xu, Dequan, 2023. "Numerical investigation on flow and mixing characteristics of powder fuel under strong shear and shock wave interaction," Energy, Elsevier, vol. 263(PE).

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