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US 4,493,368 AGranted
Helical flow heat exchanger having individually adjustable baffles
AssigneeNorsk Hydro a.s.
InventorsRolf Gronnerud, Einar Boe
Life of this patent
Estimating the term…
Abstract
A shell and tube heat exchanger includes a central pipe situated in the shell and provided with a number of individually adjustable baffles. An entire bundle of tubes is built around the central pipe. The baffles are movable with respect to the central pipe by means of a pull-push rod positioned in the central pipe.
Claims8
A helical flow heat exchanger comprising:
- a shell having an inlet and an outlet for circulating a medium through said shell;
- tube sheets fixed to said shell adjacent opposite ends thereof;
- a central pipe fixed to said tube sheets and extending through said shell;
- a plurality of elongated tubes extending between said tube sheets through said shell;
- a plurality of baffles supporting said tubes within said shell, said baffles being individually adjustable in a predetermined position and inclination with respect to said central pipe, to ensure a helical flow pattern of the medium through said shell and around said tubes;
- and
- fastening means for connecting said baffles to said central pipe.
4 more elements
Dependencies are inferred from the claim text.