FIS-483 Consolidated Engineering Study Report
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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<br />
Simulation<br />
Output<br />
Combustion Air Flow Rate Lb/hr - 44,726<br />
Flue Gas Flow Rate Lb/hr - 47,043<br />
Firing Rate MMBtu/hr - 50.0<br />
Excess O2 % 3.00 3.00<br />
Excess Air % 15.0 15.0<br />
No.3 Inter heater (1-44-B-4)<br />
Fuel Gas Flow Rate Lb/hr - 996<br />
Combustion Air Flow Rate Lb/hr - 19,232<br />
Flue Gas Flow Rate Lb/hr - 20,228<br />
Firing Rate MMBtu/hr - 21.50<br />
Excess O2 % 3.00 3.00<br />
Excess Air % 15.0 15.0<br />
3.1.5 Observations of Existing Design<br />
The heat absorption in the radiant section is increased with high tube<br />
emissivity.<br />
We are almost matching all the terminal conditions with the datasheet.<br />
We are almost matching the bridge wall temperature with the datasheet.<br />
Convection section flue gas exit temperature is 41°F lesser than the<br />
datasheet.<br />
The amount of steam generation is almost matching with the datasheet<br />
value.<br />
Furnace Improvements<br />
Low Cost Solutions for Fired Heaters 34
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