Sealing members for gas preheaters, and sealing structures...

Details Sealing members for gas preheaters, and sealing structures... Sealing members for gas preheaters, and sealing structures...

F - Mech Eng,Light,Heat,Weapons

16

J

F16J 15/00 (2006.01) F23L 15/02 (2006.01) F28D 19/04 (2006.01)

Patent

CA 2059244

SEALING MEMBERS FOR GAS PREHEATERS, AND SEALING STRUCTURES USING SUCH SEALING MEMBERS FOR GAS PREHEATERS ABSTRACT OF THE DISCLOSURE A sealing member is adapted to seal a gap between an outer peripheral portion of a rotor and a housing of a gas preheater or a gap between a side face of the rotor and a radial sealing plate. This sealing member includes a main body made of an alumina ceramic and a film formed on a surface of the main body. The film is made of a glaze having a coefficient of thermal expansion smaller than that of the main body. A sealing structure using such a sealing member is also disclosed for sealing the gas preheater. Further, it may be that the sealing member is at least partially made of an inorganic glass and/or a wear resistive ceramic, and a sealing structure is provided with a solid lubricant-molded body to be pressed against a sliding surface of an opponent member on which the sealing member slides.

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