Two-Stage Combustion Burner Using Used Engine Oil as Fuel

Abstract:

Nowadays, increase in numbers of automotive results in a large amount of used engine oil, which is a waste and has a tremendous effect on the environment. Used engine oil, however, has a relatively high calorific value so that it is interesting to be used this waste as a renewable fuel for heat generation. The present experimental study on used engine oil combustion in a vertical tube burner, therefore, had been conducted. The two-stage combustion was divided by the air supply to the burner into two levels and the air flow rate of both levels can be adjusted. The fuel in the first stage was heated and vaporized by the incompletes combustion. The exhaust gases and residual fuel vapor from the first stage were then flow to the second combustion stage and the complete combustion was achieved. The combustion temperatures along the length of the burner in both of the single and the two stage combustion had been measured and compared. Amount of exhaust gases at the exit of the burner was also monitored. The results revealed that the temperature profile along the length of the burner in the combustion zone of the two-stage burner was higher than those in the single-stage type as a result of a better mixing of air and fuel. In addition, it also found that an increase in a distance of air supply location between two stages resulted in an increase of the emission.

• Periodical: Key Engineering Materials (Volume 751)
• Pages: 442-448
• DOI: https://doi.org/10.4028/www.scientific.net/KEM.751.442
• Online since: August 2017
• Authors: Taveesin Lekpradit, Apinunt Namkhat*
• Keywords: Burner, Combustion, Temperature Profile, Used Engine Oil

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