Recently, the new technology independently developed by China for drying air and water for air conditioning and refrigeration has passed the national acceptance and has reached the international advanced level. Compared with traditional central air conditioners, this new cooling method not only saves more than 70% of energy, but also eliminates emissions of pollutants such as greenhouse gases.

Researchers say that because dry air can hold more water vapor, and water evaporates into gas, it absorbs heat to cool down. Therefore, the dry air can provide the required energy for the air conditioner during the process from the dry to the tide. Field tests showed that the dry air at about 34 degrees Celsius in the air inlet exchanged heat with the normal temperature water for three times, and then the air outlet dropped to about 14 degrees Celsius, and the whole process was less than two minutes. Experts pointed out that dry air, as a renewable refrigeration energy, can be widely used in China's Xinjiang, Tibet, Qinghai and other dry climate areas.

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