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What is the principle of evaporative heat dissipation in a cooling tower?
In a wet cooling tower, the temperature of hot water is high, and the temperature of the air flowing over the water surface is low. The water transfers heat to the air, is carried away by the air, and is dispersed into the atmosphere. There are three forms of heat dissipation from water to the air: contact heat dissipation , Evaporative heat dissipation and radiation heat dissipation. Today, the editor of Jincheng Industrial Air Conditioner briefly introduces the principle of evaporation and heat dissipation of cooling towers.
The evaporative heat dissipation of the cooling tower is accomplished through material exchange, that is, through the continuous diffusion of water molecules into the air.
Water molecules have different energies. The average energy is determined by the water temperature. Some water molecules with high kinetic energy near the water surface overcome the attraction of neighboring water molecules and escape the water surface and become water vapor. As the water molecules with high energy escape, the water near the water surface The energy becomes smaller.
Therefore, the water temperature decreases, which is the evaporative heat dissipation of the cooling tower. It is generally believed that the evaporated water molecules first form a thin layer of saturated air on the water surface, whose temperature is the same as the water surface temperature, and then the water vapor diffuses from the saturated layer into the atmosphere. The speed depends on the difference between the water vapor pressure of the saturated layer and the water vapor pressure of the atmosphere.
The above is the principle of evaporation and heat dissipation of cooling towers briefly introduced by Jincheng industrial air conditioner manufacturers.
Jiangsu Jincheng Air Conditioning Engineering Co., Ltd. has been focusing on the design, development and production of industrial air conditioning equipment for many years. Its industrial refrigeration is widely used. Its main products are: industrial air conditioning, chemical fiber industrial air conditioning, textile industrial air conditioning, chemical fiber industrial refrigeration, and dust-free workshop refrigeration , Ventilation ducts, cooling towers, refrigerators and other air conditioning units and accessories.
Jiangsu Jincheng is a rare conscience manufacturer in the industrial refrigeration industry. If you want to know more product information, please contact: Mr. Song 13705113637 Website: http://www.xjdgzfs.cn/
