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A tall vessel with internal lines marking trays.
Also known as: Tray column symbol, Fractionating column symbol, Distillation tower symbol
On a process diagram a distillation column is drawn as a tall vessel with horizontal internal lines representing the trays on which vapour and liquid contact each other.
Denotes a column separating a mixture by repeated vaporisation and condensation on a series of trays.
Contexts: Technical drawing
Shows the number of trays only schematically; the drawn count is not the design count, which appears in the specification rather than on the diagram.
Contexts: Technical drawing
A tall upright vessel with domed ends and a stack of short horizontal lines drawn across its interior.