Knowledge Base Articles tagged [distributors]


Perforated-Pipe Distributors in Packed Towers

Perforated-pipe distributors are normally of the ladder type (spider pipe) or the perforated-ring type. Perforations are located on the underside of the pipes. The ladder type is usually easier to fabricate and therefore less expensive than the perforated-ring type.


Reflux and Intermediate Feed Distribution and Liquid Redistribution in Packed Towers

Reflux and Intermediate Feed Distribution and Liquid Redistribution in Packed Towers


Types of Liquid Distributors in Packed Towers

Any liquid distributor gives some mal-distribution, because for practical reasons, liquid can only be divided into a limited number of streams. From these point sources the liquid spreads. The main considerations in selecting a distributor for a given service are compatibility with the service and avoiding large-scale mal-distribution.


Spray Distributors in Packed Towers

Spray distributors are pipe headers with spray nozzles fitted on the underside of the pipes. They are most popular in heat transfer and scrubbing services and are infrequently used in fractionation. Services where spray distributors are common include refinery crude towers, FCC main fractionators, and refinery vacuum towers.