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Experimental Study on Coal Gasification in a Full-Scale Two-Stage Entrained-Flow Gasifier

Author

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  • Guangyu Li

    (State Key Laboratory of High-efficiency Utilization of Coal and Green Chemical Engineering, College of Chemistry and Chemical Engineering, Ningxia University, Yinchuan 750021, China)

  • Luping Wang

    (State Key Laboratory of High-efficiency Utilization of Coal and Green Chemical Engineering, College of Chemistry and Chemical Engineering, Ningxia University, Yinchuan 750021, China)

  • Chaowei Wang

    (State Key Laboratory of Multiphase Flow in Power Engineering, School of Energy and Power Engineering, Xi’an Jiaotong University, Xi’an 710049, China)

  • Chang’an Wang

    (State Key Laboratory of Multiphase Flow in Power Engineering, School of Energy and Power Engineering, Xi’an Jiaotong University, Xi’an 710049, China)

  • Ping Wu

    (China Huaneng Tianjin IGCC CO., LTD, 2218 Huaihe Avenue, Lingang Economic Districit, Tianjin 300452, China)

  • Defu Che

    (State Key Laboratory of Multiphase Flow in Power Engineering, School of Energy and Power Engineering, Xi’an Jiaotong University, Xi’an 710049, China)

Abstract

In this paper, coal gasification characteristics in the reductor were investigated in a full-scale two-stage pressurized entrained-flow gasifier, which has been seldom conducted previously. The present study aimed at elucidating the effects of gasifying agent concentration, coal input rate, and operation period under full reductor load on the performance of a utility two-stage pressurized entrained-flow gasifier for the first time. When the steam input in the combustor was raised from 3318 kg/h to 5722 kg/h, the total outputs of H 2 , CO, and CO 2 were increased by 1765 Nm 3 /h and 2063 Nm 3 /h, respectively, while the CH 4 output was decreased by 49 Nm 3 /h. The coal conversion rate was minimal at low steam input. In addition, more coal gasified in the reductor could increase the output of CH 4 , while CH 4 could reach 1.24% with the coal input in the range of 8000–10,000 kg/h. The present work can offer a further understanding of the gasification performance in the reductor of the full-scale two-stage pressurized entrained-flow gasifier, and motivates the potential for clean utilization of coal resource.

Suggested Citation

  • Guangyu Li & Luping Wang & Chaowei Wang & Chang’an Wang & Ping Wu & Defu Che, 2020. "Experimental Study on Coal Gasification in a Full-Scale Two-Stage Entrained-Flow Gasifier," Energies, MDPI, vol. 13(18), pages 1-15, September.
    • Handle: RePEc:gam:jeners:v:13:y:2020:i:18:p:4937-:d:416480
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    References listed on IDEAS

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    Cited by:

    1. Chiawei Chang & Yishun Chen & Litsung Sheng & Shusan Hsiau, 2021. "A New Approach of Dedusting for IGCC by a Two-Stage Moving Granular Bed Filter," Energies, MDPI, vol. 14(9), pages 1-15, April.
    2. Tomasz Janoszek & Wojciech Masny, 2021. "CFD Simulations of Allothermal Steam Gasification Process for Hydrogen Production," Energies, MDPI, vol. 14(6), pages 1-28, March.
    3. Marek Sciazko & Aleksander Sobolewski, 2021. "Special Issue [Energies] “Clean Utilization and Conversion Technology of Coal”," Energies, MDPI, vol. 14(15), pages 1-3, July.

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