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Solution

First-Stage Generator

Fig. 38-15 Double-Effect Direct-Fired Absorption Heating-Only Cycle. Source: Adapted from The American Gas Cooling Center ing through the evaporator tube bundle and overflows into the absorber where it dilutes the absorbent.

3. The weak absorbent is pumped from the absorber to the first- and second-stage generators. Strong absorbent is recovered in the direct-fired first-stage generator as combustion boils the entering dilute solution.

4. The strong absorbent liquid flows to the absorber and refrigerant vapor returns to the evaporator.

This sequence describes the operation of a double-effect LiBr absorption machine designed to produce 140°F (60°C) hot water. Available design alternatives are capable of producing higher temperatures of about 180°F (82°C).

Figure 38-16 is a schematic illustration of a direct-fired double-effect chiller/heater. Figures 38-17 and 38-18 show direct-fired double-effect

Fig. 38-16 Schematic Illustration of Direct-Fired Double-Effect LiBr Absorption Chiller/Heater. Source: Carrier Corp. and The American Gas Cooling Center

Fig. 38-17 Large-Capacity, Direct-Fired LiBr Absorption Chiller/Heater. Source: Carrier Corp.

Fig. 38-18 Small-Capacity, Direct-Fired LiBr Absorption Chiller/Heater Inside Cabinet. Source: American Yazaki Corp.

Renewable Energy Eco Friendly

Renewable Energy Eco Friendly

Renewable energy is energy that is generated from sunlight, rain, tides, geothermal heat and wind. These sources are naturally and constantly replenished, which is why they are deemed as renewable.

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