Abstract
Combustion inefficiencies and high pollutants emissions keep motivating researchers to enhance combustion technology. Producer gas fuel from biomass gasification with its low heating value and high CO content requires a special combustor design for efficient burning. Porous media burner (PMB) has been widely investigated and proven to be well suited for low heating value fuels lean combustion. This study aims at performance investigation of PMB fueled by producer gas from biomass gasification. A downdraft gasifier system along with a PMB burner and heat recovery unit has been developed. The PMB comprises two layers of 10mm and 20mm diameter upper and lower alumina spheres packed, respectively. With PG heating value of about 5MJ/m3, lean to ultra lean stable combustion was achieved with equivalence ratios (Φ) in the range of 0.33<Φ<0.71. Combustion layer temperature was in the range of 1300–1550K. The lowest recorded emissions from the PMB were 6ppm and 230ppm for CO and NOx respectively. The heat recovered from the burner was utilized in hot air production of 7kWth that can be used for drying process in small industries. Maximum heat recovery heat exchanger effectiveness was about 93% with overall system efficiency of 54%.
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
