Study on coal combustion characteristics in a W-shaped boiler furnace

A numerical simulation approach is given to investigate the characteristics of coal particle flow, heat transfer and combustion processes in a W-shaped furnace. In order to obtain, in detail, behaviors of coal combustion, many different coal particle sizes of two different load cases are used to pre...

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Bibliographic Details
Published in:Fuel (Guildford) 2001-02, Vol.80 (3), p.373-381
Main Authors: Fan, J.R., Zha, X.D., Cen, K.F.
Format: Article
Language:English
Subjects:
Applied sciences
Boilers
Combustion characteristic
Energy
Energy. Thermal use of fuels
Equipments for energy generation and conversion: thermal, electrical, mechanical energy, etc
Exact sciences and technology
Numerical simulation
Pulverized coal
W-shaped Boiler
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Summary:A numerical simulation approach is given to investigate the characteristics of coal particle flow, heat transfer and combustion processes in a W-shaped furnace. In order to obtain, in detail, behaviors of coal combustion, many different coal particle sizes of two different load cases are used to predict the characteristics of combustion. The conclusions of the characteristics of coal particle trajectories, devolatilization, ignition time, ignition distance and burnout are drawn out in detail. These conclusions can be used to optimize the design and operation of the W-shaped furnace.
ISSN:0016-2361
1873-7153
DOI:10.1016/S0016-2361(00)00098-3