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MAIN COMPONENTS OF CRUDE
DISTILLATION COLUMNS
BASICS
Refinery technical tips
M.C JOMON
7561029820
CRUDE DISTILLATION COLUMN
• A vertical shell
• Column internals e.g. trays/plates and/or packing s
• A reboiler /Heater to provide the necessary vaporization for the distillation
process.
• A condenser to cool and condense the vapour leaving the top of the column.
• A reflux drum to hold the condensed vapour from the top of the column
VALVE TRAYS
HIGH CAPACITY VALVE TRAYS
TRAYS [ SINGLE PASS]
TRAYS [ DOUBLE PASS]
4 PASS
BUBBLE CAP TRAY
CHIMNEY TRAY
Collecting tray
SIEVE TRAYS
DOWN COMER/WEIR PLATE
DOWN COMER SEALING-INLET WEIR/SEAL
PAN
PACKING [ RANDOM]
STRUCTURED PACKING
GRID PACKING [ STRUCTURED
PACKING]
PACKED TOWER
TRAY TOWER
DISTRIBUTORS
GRAVITY DISTRIBUTORS AND SPRAY NOZZLES
DEMISTER BED
Demister bed
FEED DISTRIBUTORS [ VANE TYPE]
FEED DISTRIBUTORS[ TANGENTIAL]

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Distillation column internals.pptx