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Liquid extraction packed towers support plates

Liquid extraction packed towers support plates

Liquid extraction packed towers support plates

(OP)
Would the experts tell me what is the recognized practice for the design loads on supports of random packing having a bulk density of 600 kg/m3 in a vertical lube extraction tower with six beds. The tower would be 20 m high, 3 m in diameter, filled with a liquid having a density of around 1000 kg/m3. It is also suspected that over the years, coke may be forming and depositing on the trays and the packing.   

RE: Liquid extraction packed towers support plates

(OP)
On a conventional trayed distillation tower the I support beams are designed to stand, without deflection a distributed load equal to the weight of the tray plus up to 5 in water (at the downcomner section plus 1 ft water).

Since in a liquid-liquid extraction packed tower the beds can become plugged with coke, I assume the total head of the liquid plus the packing plus the perforated support plate should be taken into consideration in the design of the support beams. Am I right ? Is that the common practice ? Thanks for any advice.

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