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From the pyrolysis of biomass is possible to obtain bio-oil with higher energy density and better use properties. The use of infrared burners has many advantages, for example, uniformity in the heat in the form of radiation and convection. This paper presents a commercial infrared burner adapted with an ejector proposed to burn a hybrid configuration of liquefied petroleum gas (LPG) and bio-oil diluted. The dilution of bio-oil with absolute ethanol aimed to decrease the viscosity of the fluid, and improving the stability and atomization. It was introduced a temperature controller with thermocouple modulating two stages and solenoid valves for fuels supply. The infrared burner has been tested and evaluated its performance by conducting energy balance. The method of thermodynamic analysis to estimate the load was used an aluminum plate and the distribution of temperatures measured by thermocouples. The dilution reduced the viscosity and increased the lower heating value (LHV), providing a stable combustion to the burner through the atomizing with compressed air and burns combined with LPG. Injecting the hybrid fuel there was increase in the heat transfer from the plate to the environment and gain useful benefit, due to the improved in the efficiency of the infrared burner.

Analysis of an infrared burner working with hybrid fuel: LPG / bio-oil