Numerical Simulation of Ash Deposit of Typical Coal in Pulverized Coal-Fired Boiler

Abstract

Abstract: A numerical model coupled with comprehensive combustion code to predict ash deposition in a coal-fired boiler was developed. The results show serious slagging is mainly at 20-25 meter height of the front wall, because of the more rapid gas flow and higher temperature, and burning Shenmu coal will result in more slagging than Zibo coal. The predictions indicate slagging can be alleviated by proper operating conditions and using low slagging-tendency coals.

Key words: pulverized coal-fired boiler, numerical simulation, slagging, ash deposit, typical coal

CLC Number:

TK 224

WANG Zhen, HU Li-Yuan, LUO Yong-Hao, WANG Yuan. Numerical Simulation of Ash Deposit of Typical Coal in Pulverized Coal-Fired Boiler[J]. Journal of Shanghai Jiaotong University, 2013, 47(03): 364-369.

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