Comparative Characteristics of Low and High-Pressure Liquid Fuel Burners for Furnace Applications

Olusola Emmanuel Omowumi, Habibu Abdulaziz Rufai and Ladan Ibrahim Mohammed
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Olusola Emmanuel Omowumi: Department of Mechanical Engineering, Olusegun Agagu University of Science and Technology, Okitipupa, Ondo State, Nigeria
Habibu Abdulaziz Rufai: Department of Mechanical Engineering Technology, Niger State Polytechnic, Zungeru
Ladan Ibrahim Mohammed: Department of Mechanical Engineering Technology, Niger State Polytechnic, Zungeru

International Journal of Research and Scientific Innovation, 2025, vol. 12, issue 3, 82-91

Abstract: Furnaces play a crucial role in industrial applications, with burner selection significantly impacting efficiency, emissions, and operational costs. This study provides a comparative analysis of low-pressure and high-pressure liquid fuel burners used in furnace applications. Low-pressure burners operate below 5 bar and utilize mechanical or air-assisted atomization, offering simplicity and cost-effectiveness but resulting in larger fuel droplets, incomplete combustion, and higher emissions. High-pressure burners, functioning between 5 and 30 bar, provide finer atomization, improved combustion efficiency, and lower emissions but require higher energy input and more frequent maintenance. The comparative evaluation includes key performance metrics such as combustion efficiency, emissions control, fuel consumption, and thermal output. Statistical analysis demonstrates that high-pressure burners achieve 85-95% efficiency, reduce CO and NOx emissions by up to 60%, and lower fuel consumption by 15-30%. Despite higher operational and maintenance costs, high-pressure burners align better with modern industrial sustainability goals due to their superior efficiency and environmental benefits. The findings contribute to informed decision-making in burner selection, optimizing furnace performance for industrial applications. Future research should explore advanced atomization techniques and hybrid burner systems to further enhance efficiency and reduce operational expenses.

Date: 2025
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