Sahara Sahara-Pak HC-1260, Instruction Manual

Page: 23 / 136

INSTRUCTION MANUAL
Model HC
Reference 219 Rev 2
Page 23 of 46 06/20/2013
2.0.3 Theory of Operation (continued)
2.0.3.2 Stripping
At the end of heating, the inlet valves shift position, directing
the hot inlet air directly into the aftercooler, separator, and
drying tower. We now begin stripping. The stripping phase of
regeneration lasts 90 minutes. At the beginning of stripping,
the regenerating tower is depressurized through a muffler.
During stripping, a small adjustable flow of dry air is used to
remove the last little bit of moisture from the regenerating
tower. This allows the Sahara-Pak HC dryer to provide
exceptionally low dew points. If lower dew points are required,
then an optional booster heater may be required. This will
increase the bed temperature allowing for lower dew points.
The heater will cycle increasing the purge air temperature, so
the optional smaller sized heater will suffice.