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Experimental Attempts to Investigate the Influence of Petrographic Properties on Drying Characteristics of Lignite in Superheated Steam Atmosphere

Author

Listed:
  • Anna Sciazko

    (AGH University of Science and Technology, Department of Fundamental Research in Energy Engineering, Krakow 30-059, Poland)

  • Yosuke Komatsu

    (Shibaura Institute of Technology, Division of Regional Environment Systems, Saitama 337-8570, Japan
    The University of Tokyo, Institute of Industrial Science, Tokyo 153-8505, Japan)

  • Marcin Zakrzewski

    (AGH University of Science and Technology, Department of Fundamental Research in Energy Engineering, Krakow 30-059, Poland)

  • Taro Akiyama

    (The University of Tokyo, Institute of Industrial Science, Tokyo 153-8505, Japan)

  • Akira Hashimoto

    (The University of Tokyo, Institute of Industrial Science, Tokyo 153-8505, Japan)

  • Naoki Shikazono

    (The University of Tokyo, Institute of Industrial Science, Tokyo 153-8505, Japan)

  • Shozo Kaneko

    (The University of Tokyo, Institute of Industrial Science, Tokyo 153-8505, Japan)

  • Shinji Kimijima

    (The University of Tokyo, Institute of Industrial Science, Tokyo 153-8505, Japan
    Shibaura Institute of Technology, Department of Machinery and Control Systems, Saitama 337-8570, Japan)

  • Janusz S. Szmyd

    (AGH University of Science and Technology, Department of Fundamental Research in Energy Engineering, Krakow 30-059, Poland)

  • Yoshinori Kobayashi

    (The University of Tokyo, Institute of Industrial Science, Tokyo 153-8505, Japan)

Abstract

A superheated steam fluidized bed dryer (SSFBD) in a self-heat recuperative configuration has a great potential of improving thermal efficiency of a lignite-fired power plant by recovering both of latent heat of vaporization of water kept in the fuel and part of sensible heat during the fuel processing. However, the optimal design of the dryer requires the fundamental knowledge of drying characteristics in respect to the individual properties of the utilized fuel. Experimental investigation to determine the correlation between a specific coal properties originated from geological background and its drying characteristics is thus the major concern in this paper. The investigated lignite is a representative of Turoszow deposit in Poland. Experimental attempts unveiling drying kinetics were carried out for 5 mm and 10 mm diameter spherical samples in the superheated steam atmosphere in the temperature range of 110 °C–170 °C. Simultaneous and continuous measurements of changes in weight, surface and interior temperatures and appearance on each tested sample were carried out for describing drying behavior. Analytical investigation was applied to explain the drying characteristics, which are strongly affected by the individual properties of coal and the inherent ash composition.

Suggested Citation

  • Anna Sciazko & Yosuke Komatsu & Marcin Zakrzewski & Taro Akiyama & Akira Hashimoto & Naoki Shikazono & Shozo Kaneko & Shinji Kimijima & Janusz S. Szmyd & Yoshinori Kobayashi, 2016. "Experimental Attempts to Investigate the Influence of Petrographic Properties on Drying Characteristics of Lignite in Superheated Steam Atmosphere," Energies, MDPI, vol. 9(5), pages 1-18, May.
    • Handle: RePEc:gam:jeners:v:9:y:2016:i:5:p:371-:d:70138
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    References listed on IDEAS

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    1. Li, Jie & Liang, Qian-Chao & Bennamoun, Lyes, 2016. "Superheated steam drying: Design aspects, energetic performances, and mathematical modeling," Renewable and Sustainable Energy Reviews, Elsevier, vol. 60(C), pages 1562-1583.
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    Cited by:

    1. Halina Pawlak–Kruczek & Michał Czerep & Lukasz Niedzwiecki & Emmanouil Karampinis & Ioannis Violidakis & Ioannis Avagianos & Panagiotis Grammelis, 2019. "Drying of Lignite of Various Origins in a Pilot Scale Toroidal Fluidized Bed Dryer using Low Quality Heat," Energies, MDPI, vol. 12(7), pages 1-22, March.
    2. Fu, Pengbo & Yu, Hao & Li, Qiqi & Cheng, Tingting & Zhang, Fangzheng & Yang, Tao & Huang, Yuan & Li, Jianping & Fang, Xiangchen & Xiu, Guangli & Wang, Hualin, 2022. "Cyclone rotational drying of lignite based on particle high-speed self-rotation: Lower carrier gas temperature and shorter residence time," Energy, Elsevier, vol. 244(PB).

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