This paper introduce the steam temperature adjustment mode of double-reheat boiler, and take the 660 MW ultra supercritical double-reheat boiler as an example. The influence on various kinds of steam temperature modes on two reheat boiler with three parallel gas passesel and parallel smoke damper adjustment system is emphatically analyzed, and corresponding suggestions are put forward.%本文对二次再热锅炉的汽温调节方式进行了介绍,并以660 MW等级二次再热锅炉为例,重点分析了尾部三烟道平行烟气挡板调节系统的二次再热锅炉,各种调温方式对汽温的影响程度,并提出了相应的建议.
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