4 replies to this topic

[titim]

hi every one

i have a quetion;

why for a catalytic reforming furnace the inlet feed is from the bottom of furnuce unlike the  crude distillation furnace ( the top )

[Bobby Strain]

And, how many of these have you encountered?

 

Bobby

[titim]

in algers ( in attachement) a real unit (production of gosoline whith mono metalic catalyst (Foster wheeler design 1962)

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[Bobby Strain]

There are a few misleading items in your query. First, what you show is not a catalytic reforming furnace. It is a catalytic reformer feed furnace. And the picture you show is simply a process diagram, and doesn't necessarily represent the furnace arrangement. So you are 0 for 2 in accuracy. Is there something you really want answered?

 

Bobby

[Maksym]

As Bobby mentioned this is fired heater not catalytic furnace on your picture. Usually in fired heaters there are two heat section: convection (top) and radiative (bottom). If feed goes first through convection section (preheating) and after goes to radiative section it goes from top to bottom. But if convectional section has any other use (steam generation, fuel preheating) there is no need to make inlet nozzle at the top of radiative section, so usually it situated at the bottom. But the final placement of the inlet nozzle often dictated by piping engineers.