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发明公开
CN103574581A 一种火电机组NOx燃烧优化方法及系统 有权

一种火电机组NOx燃烧优化方法及系统
摘要：
本发明公开了一种火电机组NOx燃烧优化方法及系统。该方法包括：采集锅炉运行参数；计算所述锅炉运行参数与锅炉效率和NOx排放量之间的相关系数，选择符合相关系数条件的所述锅炉运行参数；以及根据所选择的符合所述相关系数条件的所述锅炉运行参数计算所述锅炉效率和所述NOx排放量，根据符合所述锅炉效率和所述NOx排放量条件的所述锅炉运行参数调整锅炉的运行参数。本发明通过优化火电机组在运行过程中的锅炉运行参数可以降低低NOx燃烧器（LNB）的NOx排放量，并通过低NOx燃烧器与SCR设备结合将NOx排放量控制在国家标准以内，从而使得火电机组能够符合NOx排放量的要求。
摘要（英）：

The invention discloses a thermal power generating unit NOx combustion optimization method and system. The method comprises the following steps: boiler operation parameters are obtained; correlation coefficients between the boiler operation parameters and boiler efficiency and NOx discharge are calculated, and boiler operation parameters which accord with conditions of the correlation coefficients are selected; the boiler efficiency and the NOx discharge are calculated according to the selected boiler operation parameters which accord with the conditions of the correlation coefficients; operation parameters of a boiler are adjusted according to the boiler operation parameters which accord with conditions of the boiler efficiency and the NOx discharge. According to the thermal power generating unit NOx combustion optimization method and system, the boiler operation parameters of a thermal power generating unit during operation are optimized so that the NOx discharge of an NOx burner (LNB) can be reduced, a low-NOx burner is combined with SCR equipment to control the NOx discharge below a national standard, and therefore the thermal power generating unit can meet the requirement for the NOx discharge.

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