Air cooler

◎ There are two types: forced draft and induced draft. ◎ Forced draft: Air flows through the fan and then into the tube bundle. ◎ Induced draft: Air flows through the tube bundle and then into the fan. ◎ Forced draft is more economical to operate, and the turbulence generated is beneficial to heat transfer, so it is more commonly used. ◎ Induced draft has uniform airflow, which is conducive to precise temperature control and low noise, and 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, i.e., adjusting the blade angle, fan speed, and louver opening. ◎ For fluids that are prone to condensation and freezing in winter, hot air circulation or steam heating can be used to adjust the outlet temperature of the fluid.

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Product Name
Air Cooler (Air-cooled Cooler/Air Cooler)

Air Cooler Ventilation Methods
◎ Divided into forced draft and induced draft methods.
◎ Forced draft type: Air flows through the fan first, then into the tube bundle.
◎ Induced draft type: Air flows through the tube bundle first, then into the fan.
◎ Forced draft type is more economical in operation, and the generated turbulence is beneficial for heat transfer, so it is used more often.
◎ Induced draft type has uniform airflow distribution, which is beneficial for precise temperature control and low noise; it represents the future direction.
◎ The hot fluid outlet temperature is mainly controlled by adjusting the air volume through the tube bundle, i.e., by adjusting the blade pitch, fan speed, and louvre opening degree, etc.
◎ For fluids that are prone to condensation or freezing in winter, hot air circulation or steam heating can be used to regulate the fluid outlet temperature.

Basic Forms of Air Coolers
◎ The basic forms of air cooler finned tubes are: embedded fin type, wrapped fin type, rolled fin type, welded fin type, oval tube type, crimped fin type, turbulent flow type, spoke fin type, slotted type, and corrugated type.
◎ The main tube sheet structures of air coolers include flanged type, plug type, and manifold type. Generally, the flanged type is used for medium and low pressure, while the plug type and manifold type are used for high pressure.

Air Cooler Applications
◎ Primarily used with air coolers in petroleum, chemical, and metallurgical industries, offering advantages such as large air volume, high efficiency, low vibration, low noise, and convenient use and maintenance.
◎ Fans come in various types such as high-efficiency energy-saving, low-noise, and anti-corrosion; fan air volume adjustment methods can be divided into automatic, semi-automatic, and manual; cooling methods can be divided into forced draft and induced draft.
◎ Air coolers are also widely used in machinery (excavators, loaders, forklifts, cranes, combine harvesters, road construction machinery, engineering machinery, etc.), using forced air cooling to bring the working medium to the required temperature.

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Air cooler

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