FIS-483 Engineering Study Report R1.03.11.19
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Marathon Petroleum Company, Catlettsburg Refinery, KY<br />
Capacity Improvement <strong>Study</strong> of LPCCR Platformer Heater (1-44-B-1/2/3/4)<br />
Parameter Unit Datasheet Simulation Output<br />
Average SG Coil Section Heat<br />
Flux (BOS)<br />
Btu/hr/Ft 2 6,939 7,351<br />
Fluid Mass Velocity lb/s/Ft 2 - 249.7<br />
Flue Gas Mass Velocity lb/s/Ft 2 0.258 0.300<br />
Flue Gas Pressure Drop in WC - 0.076<br />
Flue Gas Temperature Leaving<br />
SG Coil Section<br />
Outside Heat Transfer Fin<br />
Efficiency Factor<br />
°F - 555<br />
- - -<br />
Maximum Fin Tip Temperature °F 590 481.5<br />
Boiler Feed Water Coils<br />
Heat Duty, absorbed MMBtu/hr 6.55 6.80<br />
Heat Duty, absorbed % 4.19 4.28<br />
Flow Rate Lb/hr 70,918 70,918<br />
Inlet Temperature °F 300.0 300.0<br />
Inlet Pressure Psig 470 470<br />
Outlet Temperature °F 385.0 391.6<br />
Outlet Pressure Psig 465.0 467.9<br />
Coil Pressure Drop Psi 5.0 2.1<br />
Heat Transfer Area (Finned) Ft 2 22,620 22,621<br />
Average BFW Coil Section Heat<br />
Flux (BOS)<br />
Btu/hr/Ft 2 2,758 2,863<br />
Fluid Mass Velocity Lb/s/Ft 2 - 123.4<br />
Flue Gas Mass Velocity Lb/s/Ft 2 0.258 0.300<br />
Outside Heat Transfer Fin<br />
Efficiency Factor<br />
- - -<br />
Flue Gas Pressure Drop in WC - 0.027<br />
Furnace Improvements<br />
Low Cost Solutions for Fired Heaters 34
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