3.1. System 1: single effect absorption chiller driven by
180 °C flue gas
System 1 aims to use the 180 °C exhaust fuel gas directly after
the heat exchanger (HE1) to produce the 7/12 °C chilled water. The
thermal energy of exhaust gas is fully used and the temperature
drops from 450 °C to 150 °C. As the jacket water system is unchanged,
there is still a large amount of thermal energy in the hot
water to be released by radiator, especially in summer when the
heating demand is low. In terms of modification work, some supplementary
equipment should be added, including a single effect
flue gas absorption chiller, a cooling tower, two pumps, some valves
and pipelines.