Ceramic tube recuperators

摘要

A tube type recuperator is provided with a top manifold having a plurality of openings slidably receiving a plurality of ceramic tubes, a retainer ring fixed to each of said tubes within the top manifold and a flexible expansion compensator seal member sealingly engaging the top ends of the tubes within the retainer ring. Preferably the ceramic tubes are made up of inner and outer coaxial ceramic tubes each connecting to a separate top manifold.