Some of the knowledge points involved in the cooling tower, today the following small series will mainly involve two specific, one is the thermal calculation of the cooling tower, the other is the loss of circulating water in the cooling tower, which is the basic knowledge, so it is necessary to master, so below, we will carry out.
Thermodynamic calculation of cooling tower, there are mainly two, is:
One is known water load and heat load, and under specific conditions, according to the cooling requirements to determine the area required by the cooling tower;
Second, the conditions of the cooling tower are known, as well as the water load and heat load, to calculate the temperature of water after cooling. Generally, the complete set of supply cooling tower is selected in the engineering design. It is in accordance with the packing height, volume, air volume and other conditions of the cooling tower to investigate whether the water temperature meets the specified requirements.
If there is a loss of circulating water in cooling towers, it mainly has the following aspects, which are:
(1) The hot water is heat exchanged in the tower, and part of its moisture will evaporate into steam.
(2) if the cold air flow rate is high, part of the water will be pumped out.
(3) if the cooling water cycle is repeated, then some of it needs to be discharged.
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