Debottlenecking of Heat Exchanger Networks with Fixed Pressure Drops (II) Design.

Debottlenecking of Heat Exchanger
Networks is a very important issue, When a plant
is subject to process changes and/or increased
throughput. In Previous Paper, a new targetting
method was introduced, that allowed the designer
to consider Hydrodynamic constraints when
debottlenecking a Network.
In this paper, a design procedure, which
guarantees the consistency of the results of
targetting stage with those of synthesis and
detailed design stages is introduced. The new
procedure is then applied to the same Crude Oil
Distillation Unit and the results of the there
stages are compared. The case study has shown
that full consistency between the results of three
stages is achievable, when area algorithm based on
fixed pressure drop is used in debottlenecking
procedures