Temperature Profile Assessment of Sub-Bituminous Coal by Using a Single Burner Combustion Test Facility

Authors

  • Muhamad Shazarizul Haziq Mohd Samsuri Fuels & Combustion Group, Generation & Environment Unit, TNB Research Sdn. Bhd., 43000 Kajang, Selangor, Malaysia
  • Hasril Hasini Fluid Dynamics & Risk Reduction Research Group, Department of Mechanical Engineering, Faculty of Engineering, University Tenaga Nasional, 43000, Kajang, Selangor, Malaysia
  • Noor Akma Watie Mohd Noor Fuels & Combustion Group, Generation & Environment Unit, TNB Research Sdn. Bhd., 43000 Kajang, Selangor, Malaysia
  • Meor Mohd Faisal Meor Zulkifli Fuels & Combustion Group, Generation & Environment Unit, TNB Research Sdn. Bhd., 43000 Kajang, Selangor, Malaysia

DOI:

https://doi.org/10.37934/arfmts.78.1.110

Keywords:

Combustion test, temperature profile, coal

Abstract

This paper presents a thermogravimetric analysis and combustion test for different coals used in a coal-fired power plant in Malaysia. The main objective is to investigate the suitability of adopting a newly-introduced sub-bituminuous coal in an existing boiler furnace commonly firing standard design coals. In order to ensure that the new coal will not give an adverse effect to the boiler, detail analytical and thermal performance of the new coal is investigated, together with design and other limiting coals. The combustion test was performed in a scaled down, 150kW, single swirl burner combustion test facility available in TNB Research Sdn. Bhd. In the study, combustion gas temperature at different sectors downstream of burner region is measured to determine the peak temperature for all tested coals. Based on the investigation, it was noted that coal with the highest fixed carbon content gives the highest temperature measure at all sectors. Similarly, coal with the lowest fixed carbon gives the lowest temperature. The temperature profile for the newly tested coal was found to be comparable to the design and limiting value coals. Even though it was observed that the temperature given by the new coal is the highest slightly downstream of the burner, the temperature was observed to be decreases as combustion gas flow downstream of the combustor rig. Based on the observation it can be said that the new coal is suitable to be used by the existing boiler furnace.

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Published

2020-12-16

How to Cite

Mohd Samsuri, M. S. H., Hasini, H., Mohd Noor, N. A. W., & Meor Zulkifli, M. M. F. (2020). Temperature Profile Assessment of Sub-Bituminous Coal by Using a Single Burner Combustion Test Facility. Journal of Advanced Research in Fluid Mechanics and Thermal Sciences, 78(1), 1–10. https://doi.org/10.37934/arfmts.78.1.110

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