Effect of Different Configurations on Small Pellet Combustion Systems

  1. Morán, J.C. 23
  2. Tabarés, J.L. 3
  3. Granada, E. 3
  4. Porteiro, J. 3
  5. López González, L.M. 2
  1. 1 Universidad de La Rioja, Departamento de Trigenienca Mecanica, Edificio Departament, c/o Luis de Ulloa, Logrouo, La Rioja E-26004, Spain
  2. 2 Universidad de La Rioja
    info

    Universidad de La Rioja

    Logroño, España

    ROR https://ror.org/0553yr311

  3. 3 Universidade de Vigo
    info

    Universidade de Vigo

    Vigo, España

    ROR https://ror.org/05rdf8595

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Revista:
Energy Sources, Part A: Recovery, Utilization and Environmental Effects

ISSN: 1556-7036

Año de publicación: 2006

Volumen: 28

Número: 12

Páginas: 1135-1148

Tipo: Artículo

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DOI: 10.1080/009083190910505 SCOPUS: 2-s2.0-33745334864 WoS: WOS:000239323600005 GOOGLE SCHOLAR

Otras publicaciones en: Energy Sources, Part A: Recovery, Utilization and Environmental Effects

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Resumen

The combustion of pellets in small stoves is a complex issue in which many factors must be considered. The University of Vigo has developed a 24 kWt fixed bed stove pilot plant for studying pellet combustion in which different configurations and operational conditions can be tested. An extensive experimental study using the statistical analysis approach is presented. Analyses of the main control factors involved in the performance of stoves of this kind and their optimization are also presented, including preheating of air, secondary air supply and gas recirculation. The influence of air and pellet feeding rates and stove temperature as part of a group of energy and environmental variables is analyzed in detail. The study establishes that the use of secondary air and, especially, the recirculation of gases considerably reduce CO emissions.