In this paper, a direct current (DC) anti-bias burner has been numerically simulated. This kind burner is combination of bias block and elbow bend and its bias block is located behind the bend. Effects of the bias block’s angle and location on coal distribution in the burner export are investigated. Euler-Lagrange approach is employed to study the gas-solid two-phase flow. The gas-phase is simulated using the RNG k-ε model and solid-phase is modeled using the discrete phase model (DPM). The results show that, installing a bias block behind the elbow can achieve a uniform distribution in outlet and the high concentrations region non-adherent. Relative to the location, the bias block angle changes is the main reason of generating resistance. When α = 25° L = 150mm, the distribution of pulverized coal of the burner outlet is the most uniform and the resistance is not large, which could satisfy the good anti-bias effect and moderate resistance loss at the same time.
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ASME 2012 Heat Transfer Summer Conference collocated with the ASME 2012 Fluids Engineering Division Summer Meeting and the ASME 2012 10th International Conference on Nanochannels, Microchannels, and Minichannels
July 8–12, 2012
Rio Grande, Puerto Rico, USA
Conference Sponsors:
- Heat Transfer Division
ISBN:
978-0-7918-4478-6
PROCEEDINGS PAPER
Concentration Distribution Research of a Special DC Pulverized Coal Burner and Resistance Analysis Available to Purchase
Mo Yang,
Mo Yang
University of Shanghai for Science and Technology, Shanghai, China
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Chunsun Guo,
Chunsun Guo
University of Shanghai for Science and Technology, Shanghai, China
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Yuwen Zhang,
Yuwen Zhang
University of Missouri, Columbia, MO
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Zhangyang Kang
Zhangyang Kang
University of Shanghai for Science and Technology, Shanghai, China
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Mo Yang
University of Shanghai for Science and Technology, Shanghai, China
Chunsun Guo
University of Shanghai for Science and Technology, Shanghai, China
Yuwen Zhang
University of Missouri, Columbia, MO
Zhangyang Kang
University of Shanghai for Science and Technology, Shanghai, China
Paper No:
HT2012-58191, pp. 401-405; 5 pages
Published Online:
July 24, 2013
Citation
Yang, M, Guo, C, Zhang, Y, & Kang, Z. "Concentration Distribution Research of a Special DC Pulverized Coal Burner and Resistance Analysis." Proceedings of the ASME 2012 Heat Transfer Summer Conference collocated with the ASME 2012 Fluids Engineering Division Summer Meeting and the ASME 2012 10th International Conference on Nanochannels, Microchannels, and Minichannels. Volume 2: Heat Transfer Enhancement for Practical Applications; Fire and Combustion; Multi-Phase Systems; Heat Transfer in Electronic Equipment; Low Temperature Heat Transfer; Computational Heat Transfer. Rio Grande, Puerto Rico, USA. July 8–12, 2012. pp. 401-405. ASME. https://doi.org/10.1115/HT2012-58191
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