超超临界顶棚内护板的结构特点

The Roof Inner Seal Plate's traits of the Ultra-Supercritical Boiler

顶棚内护板是锅炉中最重要、最复杂的密封结构,本文通过对三种密封结构的原理及综合经济性的分析比较,得出了相应的结论,以便在今后的设计中选择更好的密封形式,并介绍了表面式顶棚内护板的典型结构及设计原则。

The Roof Inner Seal Plat is important and complicated in airproof structures, This article anal- yse and compare three types seal structure＇ s principle and economy, get the relevant conclusion, in order to select better airproof structure in aftertime design, and introduce type structure and design principle of skin seal plate.