| 摘要 |
Device for purifying water, including a hollow structure in turn including a first space, includes a supply opening for water to be purified and a boiling device for such water, arranged to heat the water to the boiling point using energy from focused sunlight supplied via a supply device for sunlight to a heating location in the first space; a condenser for condensing water vapour from the boiling device; and a conduit device for water vapour, arranged to bring water vapour from the first space to the condenser. The heat exchanger is arranged to transfer thermal energy from either hot water vapour which has been boiled off in the boiling device or condensed water which is still warm and originates from such vapour, to water to be purified and which is to be introduced into the first space through the supply opening. A method for purifying water is also described. |
