The Re-commissioning Of A Vent And Reflux
Condensation Research Facility For Vacuum
And Atmospheric Operation
Author(s)
J. C. Sacramento Rivero & P. J. Heggs
Abstract
The vent and reflux condensers are condensers where the primary mode of
operation is condensation. Double-pipe vertical condensers are commonly used
for their study. On the process side, a vapour mixture enters from the bottom of a
vertical tube and as it flows upwards it condenses at the cooled tube wall,
forming a falling film flowing counter-current to the vapour. On the other side of
the tube, the coolant flows downwards, counter-current to the rising vapour but
co-current to the falling condensate film. This paper discusses the
re-commissioning of the vent/reflux condensation research facility in the Morton
Laboratory at the University of Manchester. The experimental facility was
encountered in an inoperable condition after the physical refurbishment of the
Morton Laboratory. The sequence of re-commissioning actions taken is detailed
and discussed, including instrumentation calibration, the revision and writing of
Standard Operation Procedures and modifications to the P&ID. Most of the
instrumentation has been connected to the Emerson DeltaV® control system,
allowing run-time data acquisition and automated control of the main process
variables. A number of operational problems were encountered during the
re-commissioning stages and the solution approach is described. The effect of
the new and additional instruments/measurements on the mass and energy
balances over the facility for previous and preliminary experimental
investigations are detailed.
Keywords: vent condenser, reflux condenser, re-commissioning,
instrumentation, control system.
Keywords
vent condenser, reflux condenser, re-commissioning,
instrumentation, control system.
Related Book
Other papers in this volume
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