Heat Transfer Problems - Alfa Laval AlfaNova 76 Manual Del Usuario

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Heat transfer problems

The heat transfer capacity is dropping.
Measure temperatures at inlets and outlets. Also
measure flow rates on both media, if possible. At
least on one of the media, both temperatures and
the flow rate must be measured.
• Check to see if the transferred amount of
heat energy corresponds to the specifica-
tions.
• If great precision is important, it will be
necessary to use laboratory thermometers
with an accuracy of 0.1 °C, and also to use
the best equipment available for flow
measurement.
Has the heat transfer capacity of the unit dropped
below specified values?
EN 16
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Fault-tracing
Action Result
YES Clean the heat transfer surface.
Use the Cleaning-In-Place (CIP)
system.
NO –
Correction
Plate Heat Exchanger