Abstract
Software FLUENT is used to carry out the numerical simulation of SCR reactor for studying the influence of the guide plates.The results show that the flowing conditions of the flue gas in the SCR system have a significant influence upon the actual effect of the denitration reaction based on a 330MW coal-fired power plant.In order to improve the performance of the device, choosing the solution that can satisfy the requirement of design which σ (uneven speed value of the first section upon the catalyst) is less than 15%. In the optimal decision,σ is 14.4% and the system pressure drop is 134.43Pa. The appropriate arrangement of the guide plates has a positive impact on the denitration reaction and the workinglife of the catalyst.
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