| 摘要 |
The invention relates to a facility for desalinating or purifying sea water or brackish water by means of solar energy. Said facility comprises a closed cycle consisting of a thermal solar collector (2) and a heat exchanger (6, 6'), in which cycle a heat transfer medium circulates; a basin (11) which can be filled with the sea water or brackish water to be treated and in which the heat exchanger (6, 6') is arranged for heating and evaporating same water; a cooling surface (3) situated above the basin (11) for condensing the rising steam; and water collectors (13) arranged below parts of the cooling surface so as to catch the condensed water. The solar collector (2) is positioned at a distance to and above the cooling surface (3) in such a way that it keeps the cooling surface in the shade, said cooling surface (3) being made of a heat conducting material. In addition, ambient air is able to circulate in the space between the cooling surface (3) and the solar collector (2).
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