Experimental Study of the Influence of the Concentration of Organic Water-Coal Fuel Components on the Integral Ignition Characteristics

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Abstract

To enlarge the power raw material base, the processes of stable initiation of combustion of drops of organic watercoal fuels have been investigated. For the main components, we used filter cakes (coal processing waste), anthracite, bituminous and brown coals of brands D and B2, water, and spent machine, turbine, and transformer oils. We have established the influence of concentrations of components on the minimum (limiting) ignition temperatures of organic water-coal fuels and the ignition delay times of drops of fuel components with initial sizes of 0.25–1.5 mm. Investigations were carried out for oxidizer temperatures of 600–1100 K and its velocities of 0.5–5 m/s characteristic of units, aggregates, and large and small power plants. We have determined the characteristic differences of organic water-coal fuel from water-coal fuel and the close laws of the investigated processes for these fuels.

Original languageEnglish
Pages (from-to)1-10
Number of pages10
JournalJournal of Engineering Physics and Thermophysics
DOIs
Publication statusAccepted/In press - 11 Feb 2017

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Keywords

  • drop
  • fuel suspension
  • ignition delay time
  • minimum ignition temperature
  • water-coal and organic water-coal fuels

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Engineering(all)

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