与传统的一次再热机组相比，采用二次再热能够进一步提高机组热效率，减少二氧化碳和氮氧化物等燃烧污染物的排放，二次再热技术是中国电力工业的重要发展方向。本文针对二次再热系统的控制尤其是二次再热蒸汽温度的控制进行了论述。%Compared with the traditional single reheat unit, using double reheat unit can further improve the thermal efficiency and reduce emissions of carbon dioxide and combustion pollutants such as nitrogen oxides, double reheat technology is an important development direction of China's power industry. In this paper, the control of double reheat system, especially secondary reheat steam temperature control are discussed..
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