Closed cooling tower is effective in applying natural cold sources, and have cooling effects in many occasions. Closed cooling towers have a wide range of applications, have a strong ability to adapt to the environment, can cool water at high temperatures, and use machinery Ventilated closed cooling towers are used as research objects. Through theoretical analysis and specific experiments, the heat transfer performance of closed cooling towers has been studied, and the performance of closed cooling towers has been strengthened according to changes in the diameter of cooling coils. About the efficiency of wet exchange.

According to the characteristics of the heat in the cooling tower, mechanical ventilation cooling, according to theoretical analysis and condition assumptions, the mathematical model established by the principle determines the thermal balance and calculation theory, the total heat transfer coefficient of the water spray and the total water spray from outside the pipe According to the experimental data, the thermal efficiency mechanical ventilation of the closed cooling tower is analyzed from five aspects. By analyzing the factors affecting the cooling effect of the closed cooling tower, the ideal operating parameters and structure of the cooling tower are known.

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