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首页> 外文会议>International Conference on Applied Computational Fluid Dynamics October 17-20, 2000 Beijing China >Numerical simulation of nox formation on a coal-fired utility boiler
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Numerical simulation of nox formation on a coal-fired utility boiler

机译：燃煤电站锅炉氮氧化物形成的数值模拟

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摘要

This paper presents simulations of NO_x formation on a pulverized coal-fired boiler with CFX4.3. Coal-fired utility boilers are emphasized by environmental requirements since they typically represent significant sources of pollutants. This paper describes how computer modeling tools were used to evaluate the combustion modification on NO_x emissions from a large coal-fired utility boiler. To evaluate whether the application of combustion modifications techniques, such as overfire air, to the boiler would be expected to reduce NO_x emission to the desired level, computational models were to used to simulate the boiler processes. The results of this study indicate that the modifications to the burners which improve flame staging would be expected to significantly reduce NO_x emissions.
机译：本文介绍了使用CFX4.3模拟煤粉锅炉中NO_x生成的过程。燃煤电站锅炉受到环境要求的重视，因为它们通常是污染物的重要来源。本文介绍了如何使用计算机建模工具来评估大型燃煤电站锅炉NO_x排放的燃烧变化。为了评估是否期望将燃烧改良技术（例如过火空气）应用于锅炉，以将NO_x排放降低至所需水平，使用了计算模型来模拟锅炉过程。这项研究的结果表明，对燃烧器进行改进以改善火焰分级将有望显着减少NO_x排放。

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