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在综述国内外大型循环流化床锅炉支承结构及膨胀系统的基础上,对循环流化床锅炉膨胀系统的设置和膨胀节的安装使用方式进行了探讨。重点阐述了几种典型循环流化床锅炉的支承结构和膨胀节设置的一般规律,并介绍了一种能将多维膨胀简化为一维膨胀的膨胀节设计新思路。
On the basis of a review of the supporting structures and expansion systems of large-scale circulating fluidized bed boilers at home and abroad, the setting of the expansion system of the circulating fluidized bed boiler and the installation and use of expansion joints are discussed. The general rules of the support structures and expansion joints of several typical circulating fluidized bed boilers are emphatically elaborated. A new design idea of expansion joints that simplifies the multi-dimensional expansion into one-dimensional expansion is introduced.