Thermo Scientific 1160, Instruction Manual

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Chapter 1 Introduction
1-3
b) Regenerative: The regenerative, or heatless, air dryer consists of two
chambers filled with an adsorbent desiccant. One chamber dries the
gas stream while the other is regenerated using a small amount of the
dried air flowing as a countercurrent. The wet air is released as a
vapor through an exhaust port. The regenerative dryer can also be
used to remove CO
2
.
For applications using externally supplied air, the regenerative dryer
requires a minimum inlet pressure of 60 psi, and an inlet flow rate of at
least 30 LPM. The maximum inlet pressure is 90 psi and the
maximum flow rate is about 90 LPM. An outlet dew point of –30 ° C
or greater may be achieved with the use of Drierite desiccant. The
by-pass consumes about 25 to 30% of the total available flow.
The components of the basic instrument and the options are shown in Figure 1-1.
Figure 1-1 . Model 1160 Components