The exchanger shown (3D rendering using AUTODESK FUSION 360) is one of several variants in terms of inlet-outlet gas flow arrangements.
The exchanger is about 8 feet in diameter and 35 feet in O.A.H. It weighs about 50,000 lbs. It falls in small to medium size range.
Shell nozzles can be oriented at any angle in a horizontal plane due to open annular window space. This gives fitting and installation versatility even when replacing plate type gas exchangers.
In this variant, the shell nozzles are core-entry & core-exit type, located at top and bottom channels and are connected to shell core with mitered elbows.
30" to 36"ø manways are provided on the shell and on two channels.
4"ø drain nozzles are located at bottom tubesheet and floor plate to drain out any condensate formation.
Insulation supports are provided around the shell usually every 8 feet of vertical spacings.
Two lifting trunnions and a tailing lug are provided for shipping and handling.
These exchangers are shipped in horizontal position using two temporary shipping saddles.
The vessel stands on a structural steel supporting grillage secured in position with hold-down bolts or welded clips.
Grillage, on the other hand, is anchored on concrete foundation piers.
Existing concrete piers with anchor bolts are usually reused subject to inspection.
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