Experimental and numerical investigations on NOx formation and reduction mechanisms of pulverized-coal stereo-staged combustion

G Zeng, A Zhou, J Fu, Y Ji - Energy, 2022 - Elsevier
With the gradual increase of intermittent renewable energy, the coal-fired power generating
units must provide flexible peak shaving capabilities. However, the new requirement comes …

Effects of primary air velocity on co-combustion characteristics of bituminous coal and semicoke under reducing-to-oxidizing environment

Y Yan, R Sun, L Sun, W Zhu, D Chen - Fuel Processing Technology, 2022 - Elsevier
This study evaluated the effect of primary air velocity (PAV) on the ignition characteristics of
bituminous coal and semicoke mixture (1: 1, wt%) in a reducing-to-oxidizing environment …

Influences of initial coal concentration on ignition behaviors of low-NOx bias combustion technology

G Zeng, M Xu, Y Tu, Z Li, Y Cai, Z Zheng, K Tay… - Applied Energy, 2020 - Elsevier
In order to provide the key parameters of initial coal concentration to low-NO x bias
combustion technology and enrich the pulverized-coal bias combustion theory, pilot-scale …

Effect of inner and outer secondary air ratios on ignition, C and N conversion process of pulverized coal in swirl burner under sub-stoichiometric ratio

Z Chen, Y Qiao, S Guan, Z Wang, Y Zheng, L Zeng, Z Li - Energy, 2022 - Elsevier
This study proposes changing the inner and outer secondary air ratios (R SA) under sub-
stoichiometric (sub-SR) conditions to optimize the burn-out performance and reduce the NO …

Determining the optimum fuel concentration for ignition and combustion of semi-coke and bituminous coal blends with rich/lean burner

Y Yan, R Sun, L Sun, W Zhu, D Chen, H Qi… - Journal of the Energy …, 2022 - Elsevier
To burn semi-coke with ultra-low volatile content effectively at a large blending proportion
with high volatile bituminous coal using a pulverized fuel (PF) rich/lean burner, the ignition …

Industrial-scale Investigations on Combustion Characteristics and NOx Emissions of a 300-MWe Down-fired Boiler: Bituminous Coal Combustion and Coal Varieties …

X Zhang, Z Chen, L Li, L Zeng, Z Li - Combustion Science and …, 2022 - Taylor & Francis
Number of down-fired boilers burning bituminous coal or anthracite blended with bituminous
coal has exceeded 10% of the total down-fired boilers in China. However, lacking of the …

Effects of particle size on semicoke and high-volatile bituminous coal cofiring in reducing-to-oxidizing environment

Y Yan, W Zhu, R Sun, L Sun, D Chen, H Qi, J Wu - Fuel, 2022 - Elsevier
The characteristics of semicoke and high-volatile bituminous coal comprising different-sized
particles were experimentally studied during co-firing in a 300-kW pilot-scale down-fired …

Control of thermoacoustic oscillations and nox emissions by bias jets in the form of corner tangential slots

L Hu, H Zhou - Combustion Science and Technology, 2024 - Taylor & Francis
Corner tangential and bias combustion technology have significant advantages in
optimizing combustion and pollutant emissions. This paper combined the corner tangential …