Study of a residential boiler under start-transient conditions using a tire pyrolysis liquid (TPL)/diesel fuel blend

Reyes García-Contreras, Juan Daniel Martínez, Octavio Armas, Ramón Murillo, Tomás García

Resultado de la investigación: Contribución a una revistaArtículorevisión exhaustiva

24 Citas (Scopus)

Resumen

Tire pyrolysis liquid (TPL)/diesel fuel blend (50/50 vol.%) was fed in a residential boiler unit of 29.1 kW of nominal power, assessing its potential use as alternative heating fuel oil (HFO) for domestic heating. Process performance was compared to that observed for conventional diesel fuel. Both, 50/50 blend and reference diesel fuel were tested at three different positions of the screw which regulates the fuel-air ratio (optimized for diesel fuel). Different operating parameters, such as water and exhaust temperature profiles and boiler efficiency, were evaluated. In addition, concentrations of pollutant gases (CO, NOx and THC) and particulate matter (PM) through total number of particles were measured. The study was carried out under the most critical transient process for any thermal machine: the start-up. Regarding to the fuel effect, the 50/50 blend gives thermal efficiencies slightly higher compared to those found for diesel fuel at all positions tested. In addition, both CO and THC concentrations were slightly lower for the alternative fuel compared to those found for the conventional fuel, being more representative at the lower relative fuel ratio (position 5). However, PM concentrations for 50/50 blend were higher to those found for diesel fuel at all positions of the regulator screw. This work demonstrates the great potential for using a high proportion of TPL fuel blended with diesel fuel without the need of modifying original regulation parameters of boiler, although some properties of TPL should be improved in order to decrease the PM concentrations.

Idioma originalInglés
Páginas (desde-hasta)744-752
Número de páginas9
PublicaciónFuel
Volumen158
DOI
EstadoPublicada - 22 jun. 2015
Publicado de forma externa

Nota bibliográfica

Publisher Copyright:
© 2015 Elsevier Ltd. All rights reserved.

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