| 摘要 |
A conversion reactor ( 10 ) including an outer shell ( 12 ) having first ( 14 ) and second ( 16 ) ends and an inner surface ( 16 ) a primary inner shell ( 30 ) extending into the outer shell ( 12 ), the primary inner shell ( 30 ) defining a heat exchanging chamber ( 100 ) and having primary and secondary ( 34 ) ends, and a secondary inner shell ( 40 ) having a first end ( 42 ) located adjacent the secondary end ( 34 ) of the primary inner shell ( 30 ). One or more oulet apertures ( 46 ) are formed between the two inner shells ( 30,40 ) for passage of the gaseous fluid out of the heat exchanging chamber ( 100 ). There are also a plurality of heat exchange tubes ( 50 ) extending through the heat exchanging chamber ( 100 ) between first ( 58 ) and second ( 64 ) tube sheets and connected to same. The first tube sheet ( 58 ) is mounted in the primary inner shell ( 30 ) while the second tube sheet ( 64 ) is connected to the secondary inner shell ( 40 ). The adjacent ends ( 42,34 ) of the inner shells ( 40,30 ) form a disconnected joint and the secondary inner shell is free to move relative to the primary inner shell upon thermal expansion of the tubes ( 50 ).
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