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What are the ventilation methods of UNIT AIR COOLER

UNIT AIR COOLER

UNIT AIR COOLER

UNIT AIR COOLER

UNIT

UNIT AIR COOLER is mainly composed of tube bundles, brackets and fans. The hot fluid flows inside the tubes and air is blown outside the tube bundle. Due to the large amount of ventilation required for heat exchange and the low wind pressure, axial flow fans are often used. The type and material of the tube bundle have a great influence on the performance of the machine. Due to the small heat transfer coefficient on the air side, fins are often added to the tube to increase the heat transfer area and fluid turbulence and reduce thermal resistance.

UNIT AIR COOLER
The ventilation of UNIT AIR COOLER has two ways of blowing air and induced air. (1) Blast type: the air first flows through the fan and then flows into the tube bundle; (2) Induction type: the air first flows through the tube bundle and then flows into the fan. The former operating cost is more economical, and the turbulent flow generated is beneficial to heat transfer, so it is used more. The latter has uniform airflow distribution, which is conducive to accurate temperature control and low noise, which is the direction of development.
The outlet temperature of the hot fluid is mainly controlled by adjusting the air volume passing through the tube bundle, that is, adjusting the inclination angle of the blades, the speed of the fan and the opening degree of the shutters. For fluids that are easy to condense and freeze in winter, UNIT AIR COOLER can use hot air circulation or steam heating to adjust the fluid outlet temperature.

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