What is the difference between direct freezing and indirect freezing of a chiller?

09-09-2019 MGREENBELT

The water in the bottom basin of the cooling tower is sent to the condenser of the chiller through the water pump to cool the condenser, and then flows back to the cooling tower to spray down. The fan on the top of the cooling tower cools the water and then flows back to the bottom of the cooling tower. The basin is just like this. The condenser dissipates heat while the refrigerant inside is liquefied, then flows into the evaporator for evaporation, and absorbs heat during evaporation, thereby cooling the sulfuric acid (tank) in the evaporator, and the cooled sulfuric acid is transported to the plating by the water pump (oxidation). ) The slot is such a cyclic process. Refrigeration principle of water-cooled indirect freezing in the electroplating (oxidation) industry.


The water in the bottom basin of the cooling tower is sent to the condenser of the chiller through a water pump to cool the condenser. When it flows back into the cooling tower and sprays down, the water is cooled by the fan on the top of the cooling tower, and then flows back to the bottom of the cooling tower, so that it runs again and again. The condenser dissipates heat while the refrigerant inside is liquefied, and then flows into the evaporator in the water tank for evaporation, and absorbs heat during evaporation, thereby cooling the water in the water tank, and the cooled water is transported to the heat exchanger through the water pump (middle) Separating, side water, side sulfuric acid), and then cooling the sulfuric acid through the process of heat transfer, such a cycle. The advantage of this product is that it is easy to install, the service life is relatively longer than that of direct freezing, and the acid and alkali are not easy to corrode the chiller.


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