Method for extracting fresh water with heat exchanger for agricultural irrigation of larger agricultural land, involves taking out sea water from removal depth, and conveying cooling water conveyed to heat exchangers at certain temperature

摘要

The method involves flowing surrounding air to heat exchangers (2), and conveying cooling water by the heat exchangers. Moisture contained in the surrounding air is condensed at the heat exchangers. Sea water (50) is utilized as the cooling water and taken out from removal depth, where temperature of the cooling water of about 5 degrees Celsius is below temperature of the surrounding air and the cooling water is conveyed to the heat exchangers. A spatial arrangement of the heat exchangers is adjusted based on a wind direction. An independent claim is also included for a device for recovering fresh water with a heat exchanger.