• Milica Mladenović, Laboratory for Thermal Engineering and Energy, Vinča Institute of Nuclear Sciences, Serbia
  • Stevan Đ Nemoda, Laboratory for Thermal Engineering and Energy, Vinča Institute of Nuclear Sciences, Serbia
  • Dragoljub Dakić, Laboratory for Thermal Engineering and Energy, Vinča Institute of Nuclear Sciences, Serbia
  • Branislav Repić, Laboratory for Thermal Engineering and Energy, Vinča Institute of Nuclear Sciences, Serbia
  • Aleksandar Erić, Laboratory for Thermal Engineering and Energy, Vinča Institute of Nuclear Sciences, Serbia
  • Dejan Đurović, Laboratory for Thermal Engineering and Energy, Vinča Institute of Nuclear Sciences, Serbia
  • Mirko Komatina, Faculty of Mechanical Engineering, University of Belgrade, Serbia

The experiments of fluidized bed combustion of diversely liquid fuel

  • This paper is a contribution to the investigation of combustion of alternative liquid fuels, such as: the sediment from crude-fuel oil tanks; liquid substances - by-products of processes in process, petrochemical and metallurgical industries; used edible and mineral oils; or glycerin - by-product of biodiesel production. These substances are most commonly treated as waste or used matter, and their disposal/removal is most often linked to considerable environmental problems. In addition to this, these substances, due to high content of ballast matter, non-uniform composition and density, can not be burnt in conventional liquid fuel combustors, hence the technology of thermal disintegration in the fluidized bed imposes as a solution, which enables the combustion of fuels of most distinct types and non-uniform compositions, together with diminishing pollutant emissions and high thermal inertia of the facility. In the paper, a description of the experimental set-up for the combustion of high density liquid fuels in the fluidized bed is given, as well as experimental results obtained by combustion of several liquid fuel types, with or without impurities, with different densities and viscosities, with or without adding water, in long-term, steady regimes. During the analysis of the experiments, the focus was set on the combustion efficiency and stability, for fuels of various compositions. The content of harmful combustion products has been considered, as well as the analysis of furnace temperature distribution, in order to determine the location of the intensive combustion zone as a function of fuel properties.
  • Keywords
    heavy liquid fuel, fluidized bed, crude fuel oil, used lubricating oil, waste liquid
  • Pages
    133 - 142
  • Submitted
    02/20/2010
  • Accepted
    03/08/2010
  • UDC
    662.753/.758-912
  • BIBLID
    0350-218X, 36 (2010), 1, 133-142
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