Channel Type Distributors

The center channel is designed as a structural member allowing the distributors to
rest on a support ring and span columns up to 20 ft [6 m] without the need for
additional beams.Locating the distributor on existing support ring in revamp work often makes it
easy to determine the tower layout.

Supporting a channel type distributor on an annular ring generally requires a more
complex design and construction in order to provide drip points at the proper proximity
to the tower wall. This increased complexity can be avoided by supporting channel type
distributor with the center channel resting on a seat and the channel troughs hung from beams or
a ring above. Both beam and ring supported channel distributors can be designed to accommodate
uplift conditions.The center channel of a channel type distributor provides cross flow capacity between
troughs, to enable liquid head equalization.
The addition of covers or hats over the gas riser area provides the ability to turn the device into a redistributor for use
between packed beds. This design is especially useful when tower elevation is tight and minimal height for redistribution
is required