Evaporative condensers:

Evaporative condensers

Evaporative condenser uses both ambient air and evaporation of water to remove heat from the refrigerant flowing inside the coils of the device. Ambient air blown through the condenser in the water sprayed down from sparge system is mounted above the condenser (see Fig. 25).

Water absorbs heat from the refrigerant evaporates into steam in the prevailing wet bulb temperature. This pair is rapidly removed by circulating air. This increases the effect of cooling as the temperature of the surface of condenser pipes approaches wet bulb temperature, increase the efficiency of the unit. Continuous feeding of water recycling is required to replenish lost through evaporation.

A big advantage of evaporative condensers on shell and tube condensers and cooling towers, which circulation pumps considerably less. However, evaporative condenser should be located in close proximity to the compressor, in order to avoid long refrigerant pipes.

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Evaporative condensers