| 摘要 |
A heat exchanger with rotary heat accumulator, comprising a disc-shaped honeycomb heat accumulator element having a protective ring or rim mounted around the periphery thereof, a sprocket splittable into a plurality of sections and mounted around the periphery of said protective ring with a gasket and a plurality of keys interposed therebetween, and non-expansion steel rings fitted over the rim or flange of said sprocket from both sides thereof in shrinkage fit engagement therewith to securely hold said gasket and said keys on said sprocket, said non-expansion steel rings and said keys being secured to each other by means of pins.
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