Patent ID: 6736199
Filing Date: 2004-05-18
Classification: F28D,F28F

Abstract:
A heat exchanger comprising:(a) a shell; (b) a header located at a first longitudinal end of the heat exchanger and comprising an inlet for introducing a fluid into the heat exchanger; (c) a first, fixed tubesheet attached to the header and located at the first longitudinal end of the heat exchanger, (d) a tube bundle contained within the shell and further comprising a plurality of tubes for transferring the fluid; (e) at least one girth ring; (f) a second, movable tubesheet located at a second longitudinal end of the heat exchanger which is movable in the longitudinal direction in response to expansion and contraction of the tubes; and (g) at least one conical assembly connecting the shell to the at least one girth ring and extending from the outer surface of the shell to the at least one girth ring.