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Cooling principle of evaporative air conditioner

written words: [big] [middle] [small] 2016 / 10 / 12 Views: two thousand eight hundred and fifty-seven     

The cooling principle of the air cooler (evaporative air conditioner) is: when the fan is running, it will produce negative pressure in the cavity, so that the air outside the fan will flow more.

The wet curtain surface of the air cooler hole forces the dry bulb temperature of the air passing through the curtain to close to the wet bulb temperature of the air outside the fan, that is, the dry bulb temperature at the outlet of the air cooler is 5-12 ℃ lower than that of the outdoor dry bulb temperature (up to 15 ℃ in dry and hot areas). The more dry and hot the air is, the greater the temperature difference is, and the better the effect of temperature reduction is.

At this time, it is called the indoor air system to keep the fresh air from the indoor; At the same time, due to the evaporation cooling principle, the machine has the dual functions of cooling and humidifying (the relative temperature can reach about 75%). When used in textile and knitting workshops, it can not only improve the cooling and temperature increasing conditions, but also purify the air, reduce the broken wire rate in the process of knitting, and improve the quality of knitted products.

The air cooler (evaporative air conditioner) is equipped with honeycomb wet curtain made of special materials, which has a large surface area and is continuously humidified by water circulation system; A high efficiency low noise energy-saving fan is installed in the wet curtain air cooler. When the fan is running, the negative pressure generated by the wet curtain causes the air outside the fan to flow through the porous wet curtain into the fan. The evaporation of water on the wet curtain absorbs heat, forcing the air passing through the wet curtain to cool down. At the same time, the water on the wet curtain evaporates to the air flowing through the wet curtain, which increases the air humidity. Therefore, the wet curtain air cooler has the dual function of cooling and humidifying.

Principle of industrial air cooler

Dry air cooler is commonly used in industry. It depends on the air through the cooling fan inside the evaporation exhaust to cool the forced flow of air outside the pipe. If it is installed on the floor of the cold storage, it is called a floor type air cooler; if it is installed on the top of the warehouse, it is called a ceiling type air cooler.

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