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Ignition of bio-water-coal fuel drops

Author

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  • Syrodoy, S.V.
  • Kuznetsov, G.V.
  • Gutareva, N.Y.
  • Purin, M.V.

Abstract

The researchers from many countries are currently developing new eco-efficient fuel compositions. Such promising fuels include water-coal suspensions (WCF). But the ignition delay times of WCF particles are sometimes tens of seconds (up to 30–40). One of the possible methods to increase the reactivity of WCF is to add additives “accelerating” the ignition process, for example biomass, to its structure. This is already a complex composite bio-water-coal fuel (Bio-WCF). The physical theory and mathematical base of the processes of ignition and combustion of Bio-WCF drops have not been developed yet. The article presents the results of the theoretical and experimental studies of the ignition of substantially inhomogeneous drops of bio-water-coal fuel based on long-flame coal and woodworking waste. We have found that the addition of wood to the composition of water-coal composites leads to a significant reduction (up to 50%) of the entire induction period (ignition delay time — tign). According to the results of the experiments, the influence of the type of wood on the characteristics and conditions of ignition of the bio-WCF drops has been analyzed. It has been shown that pine-based bio-water-coal fuels ignite faster than larch and birch bio-WCF.

Suggested Citation

  • Syrodoy, S.V. & Kuznetsov, G.V. & Gutareva, N.Y. & Purin, M.V., 2020. "Ignition of bio-water-coal fuel drops," Energy, Elsevier, vol. 203(C).
    • Handle: RePEc:eee:energy:v:203:y:2020:i:c:s0360544220309154
    DOI: 10.1016/j.energy.2020.117808
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    References listed on IDEAS

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    1. Glushkov, Dmitrii O. & Kuznetsov, Geniy V. & Strizhak, Pavel A. & Syrodoy, Semen V., 2018. "Mathematical model simulating the ignition of a droplet of coal water slurry containing petrochemicals," Energy, Elsevier, vol. 150(C), pages 262-275.
    2. Vershinina, Ksenia Yu & Kuznetsov, Genii V. & Strizhak, Pavel A., 2017. "Sawdust as ignition intensifier of coal water slurries containing petrochemicals," Energy, Elsevier, vol. 140(P1), pages 69-77.
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    Cited by:

    1. Kuznetsov, G.V. & Malyshev, D. Yu & Syrodoy, S.V. & Gutareva, N. Yu & Purin, M.V. & Kostoreva, Zh. A., 2022. "Justification of the use of forest waste in the power industry as one of the components OF BIO-coal-water suspension fuel," Energy, Elsevier, vol. 239(PA).
    2. Kuznetsov, G.V. & Nigay, N.A. & Syrodoy, S.V. & Gutareva, N. Yu & Malyshev, D. Yu, 2022. "A comparative analysis of the characteristics of the water removal processes in preparation for incineration of typical wood waste and forest combustible materials," Energy, Elsevier, vol. 239(PE).
    3. Gvozdyakov, D.V. & Zenkov, A.V. & Kaltaev, A. Zh, 2022. "Characteristics of spraying and ignition of coal-water fuels based on lignite and liquid pyrolysis products of wood waste," Energy, Elsevier, vol. 257(C).

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