Evaporative Condenser – Construction and Working , Advantages

An evaporative condenser is a condenser integrated into a cooling tower which rejects the latent heat of condensation of refrigerant (Ammonia/Freon) through a coil to the surroundings by means of evaporation.
Water sprayed onto the coil exchanges heat with the refrigerant. A small quantity of water is evaporated into the air thereby cooling the remaining water cascading to the basin at the bottom. Post evaporation the saturated air passes through the drift eliminators and then forced out using a fan.

Construction And Working Of Evaporative Condenser :

在蒸发冷凝器中，空气和水都用于从冷凝制冷剂中提取热量。图显示了蒸发冷凝器的示意图。蒸发冷凝器将冷却塔和水冷冷凝器的特征结合在单个单元中。在这些冷凝器中，从携带制冷剂的管中从顶部喷射水，并诱导空气。冷凝器管周围有一个薄的水膜，从中发生蒸发冷却。蒸发冷却的传热系数非常大。因此，制冷系统可以在低冷凝温度（约11至13 k以上的空气的湿灯泡温度上方）。气流到气流的水喷射电流充当冷却塔。空气的作用主要是增加水的蒸发速率。所需的空气流速在制冷能力下的350至500m 3 / h的范围内。

Diagram of Evaporative Condenser

Benefits Of Evaporative Condenser

• Continuous coil without welded joints
• Robust corrosion resistant structural material for long life
• Large diameter laminar flow nozzles for clog free operation.
• Air Flow – Parallel at coil side and cross at fill side for efficient heat transfer
• Optimized spray water flow to coil for maximum heat transfer