Page 154 - Introduction to Marine Engineering
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140 Auxiliaries
Frame plate Carrier bar Pressure plate Support post
Figure 7.5 Plate-type heat exchanger: (a) construction, (b) operation
With shell and tube coolers the end covers are removed to give access to
the tubes for cleaning. Special tools are usually provided by the cooler
manufacturer for cleaning the tubes. The end covers can also be
cleaned.
Tube leakage can result from corrosion. This can be checked for, or
identified, by having the shell side of the cooler circulated while the
