PRODUCTS
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D38 Desorber
APPLICATION
CJC Desorbers are used for removing water
from all lubricating and hydraulic oils, both
mineral and synthetic. Desorbers are
particularly well suited for oil systems
where water ingress is a large and continuous
problem. The desorber can dry the oil down to
a water content of <200ppm removing 4-6 L of
water per hour. Read the case
stories below
FUNCTION
The desorption process is based on the fact
that heated air can absorb large quantities
of water.
When oil, preheated to a temperature of 60-75oC,
is pumped through the desorber column it is
met by a counterflow of air supplied by a
blower. The air, heated very quickly by the
hot oil, will absorb any water present in the
oil.
In the closed loop system the humid outlet
air passes two oil extractors before entering
the condenser (an air/water heat exhanger).
The now cold air enters a demister where
water settles in the bottom.
Settled water is drained from the demister to
an oil/water separator from which desorbed
water (and oil condensed from the air) can be
discharged.
The air blower draws its cold inlet air from
the demister. Consequently no air from the
desorption process is lead out into the open
- the CJC Desorber is operated with a closed
air loop.
INSTALLATION
As standard the CJC Desorber unit is supplied
on a base plate or skid. Preferably it should
be placed on top of the system oil tank,
permitting the desorber to gravity drain
directly into the tank.
The desorber works as an off-line unit, i.e.
independent of the system pumps, and is
supplied with a complete set of electric
controls/control panel including motor
overload protection, and monitoring the
operation of pumps, blower, heaters, etc.
CJC Desorber units can be adapted to meet
customer requirements, including features
such as two-parted separate tank, level,
switches and indicators, water monitors -
even a mobile kit is available.
Operating principle for a D38 Desorber.
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