Packed Tower Internals
TPT PACIFIC designs and supplies all kind of high performance Packed Tower Internals – various type of Liquid distributor, Packing support,
Bed limiter & Hold down grid, Collector tray & Chimney tray, Feed inlet device and more.
Riser Type Liquid Distributor
A Riser Type Distributor consists of a plate, equipped with circular or rectangular risers for vapor flow and perforations in the floor for liquid flow.
The plate may rest on a support ring or, alternatively, it may be supported on lugs in a manner that provides an annular space for vapor rise
between the distributor and the column wall. A large number of liquid drips provide uniform liquid flow through the orifices with sufficient liquid
head, while the gas risers accommodate expected variations on flow rate, often with a minimum of pressure drop.
Pipe Orifice Distributor / Spray Header Distributor
Pipe Orifice Distributor has a mainline with lateral pipes branching off to provide a full coverage of the entire tower cross-sectional area.
Orifice holes are usually located at the underside of lateral pipes to direct the flow onto packing. To minimize the possibility of orifice fouling,
it is recommended that feed liquid first passing through a fine strainer to remove any materials that have particle sizes larger than the selected
Trough Type Distributor
Most widely used distributors in towers larger than 1 m diameter. The parting boxes distribute the liquid to troughs through
orifices in the bottom floor. The liquid is then fed from the troughs to the packing via orifices that are usually in the bottom
floor or side walls of the troughs. Positioning the feed holes in the trough side walls allows for collection of rust and any
other sediment in the trough bottom floors and avoids plugging of the orifices.
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