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Sealing members for gas preheaters, and sealing structures using such sealing members for gas preheaters
Sealing members for gas preheaters, and sealing structures using such sealing members for gas preheaters
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机译:用于气体预热器的密封构件,以及使用这种用于气体预热器的密封构件的密封结构
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摘要
A sealing structure for a rotary regeneration-type heat exchanger, the sealing structure being adapted to seal at least one of a gap between an outer peripheral portion of a rotor and a stationary housing and a gap between a side face of the rotor and a radial sealing plate, the sealing structure being held by one of the rotor and the housing such that the sealing structure is in sliding contact with an opposing surface of the other of the rotor and the housing, the sealing structure including a metal frame, a main body including an alumina body and a glaze covering a portion of the alumina body, the glaze having a coefficient of thermal expansion smaller than that of the alumina body, the main body including an uncovered surface which is not covered with the glaze thereby exposing the alumina body, and retaining means for retaining the main body inside the metal frame, wherein the uncovered surface is exposed from the metal frame, the uncovered surface at least partially defining a sliding surface of the sealing structure.
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