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TRG-TRC011-EN 29
period two
Absorption Chiller Types
notes
The high-temperature generator pump draws a portion of the intermediate
solution from the low-temperature generator and delivers it to the high-
temperature generator to be reconcentrated.
This cooler intermediate solution passes through the high-temperature heat
exchanger to be preheated by the hot concentrated solution returning from the
high-temperature generator. This reduces the heat energy required to boil the
refrigerant inside the high-temperature generator. Precooling the concentrated
solution returning to the absorber reduces the flow rate of cooling water
required through the absorber.
The precooled, concentrated solution leaving the high-temperature heat
exchanger then mixes with the rest of the intermediate solution that is returning
from the low-temperature generator, before traveling to the low-temperature
heat exchanger.
high
high
-
-
temperature
temperature
generator
generator
pump
pump
high
high
-
-
temperature
temperature
heat exchanger
heat exchanger
high
high
-
-
temperature
temperature
generator
generator
Figure 34