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附图的简单说明图1为回转式空气预热器的正面剖视图。图2为空气预热器密封装置的局部放大图。图3为动作装置按图2的3-3线剖视图。专利的详细说明本专利介绍回转式空气预热器的密封装置。该装置能改进空气预热器的静止部分和回转部分之间的流体泄漏问题。回转式空气预热器由径向隔板与转子联结形成圆简状回转体,在其内部布置了许多传热元件形成舱格小室。热烟气与需加热的空气通过传热元件进
Brief Description of the Drawings Fig. 1 is a front sectional view of a rotary air preheater. Figure 2 is a partial enlarged view of the air preheater seal. FIG. 3 is a cross-sectional view of the actuating device according to line 3-3 in FIG. 2. Detailed Description of the Patents This patent describes the seal of a rotary air preheater. The device improves the problem of fluid leakage between the stationary part and the swivel part of the air preheater. The rotary air preheater is connected with the rotor by a radial partition to form a round and small rotary body, and a plurality of heat transfer elements are arranged inside to form a cabin cell. The hot flue gas and the air to be heated pass through the heat transfer element