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US 11,105,500 B2Granted
Film temperature optimizer for fired process heaters
AssigneeUop LLC
InventorsQuan Yuan, Rajeswar Gattupalli, Matthew Martin, Michael J. Vetter
Life of this patent
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Abstract
A fired heater with a film temperature optimizer is presented. The fired heater is for heating a process fluid in process coils within the fired heater. The process coils experience high temperatures at the outlets. The film temperature optimizer includes baffles or means for changing the flow of the fired heating gas around the process coils near the coil outlets. The baffles are positioned near the process coil outlets.
Claims12
An apparatus for a process fired heater comprising:
- a shell having a first end, a second end positioned opposite the first end, and sides connecting the first end and second end, and wherein the sides and ends enclose a space;
- at least one w-shaped process tube comprising two inlet ports and one outlet port, and disposed within the shell and having the two inlet ports and the outlet port on the first end;
- a flue gas outlet disposed in the second end;
- and
- at least two burners disposed on the sides of the shell;
- wherein the first end of the shell comprises at least two projections from the first end and the projections extend into the enclosed space, and wherein a first of the at least two projections is interposed between a first inlet port of the two inlet ports to the process tube and the outlet port for the process tube, and wherein the second of the at least two projections is interposed between a second inlet port of the two inlet ports to the process tube and the outlet port for the process tube.
3 more elements
Dependencies are inferred from the claim text.