Solar thermal device for producing fresh water

C - Chemistry – Metallurgy – 02 – F

Patent

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Details

C02F 1/14 (2006.01) B01D 1/00 (2006.01) C02F 1/18 (2006.01) F24J 2/00 (2006.01)

Patent

CA 2750674

The invention concerns a portable solar-thermal device (1) for the production of fresh water from sewage water or salt water. The device is characterised in that it has a closed fluid circuit (2) made of connected pipe or hose elements with a sewage water supply (3) and a fresh water runoff (4) with the fluid circuit (2) having a tilted heating section (5) essentially aligned normally to the sun irradiation (S) for heating and vaporisation of the sewage water. Connected to this is an essentially vertically aligned condensation section (6) for condensation of the fresh water and heating of the sewage water, and a storage section (7) designed as base area for the condensed fresh water. The heating section (5) of the fluid circuit (2) is characterised by a solar collector (10) for concentration of the thermal energy of sun irradiation (S) on a vaporisation area inside the heating section (5).

La présente invention concerne un dispositif thermo-solaire portable (1) destiné à la production d'eau douce à partir d'eaux usées ou d'eau salée. Le dispositif présente un circuit fermé (2) de fluide composé d'éléments tubulaires ou en forme de tuyau raccordés entre eux, avec une arrivée d'eaux usées (3) et une évacuation d'eau douce (4), le circuit de fluide (2) comprenant un segment de chauffage (5) incliné et orienté sensiblement perpendiculairement au rayonnement solaire (S), ce segment étant destiné au chauffage et à l'évaporation des eaux usées. On prévoit de manière contiguë un segment de condensation (6) orienté sensiblement perpendiculairement et destiné à la condensation de l'eau douce et au réchauffement des eaux usées, et un segment de stockage (7) ayant la forme d'un piétement destiné à l'eau douce condensée. Le segment de chauffage (5) du circuit de fluide (2) présente un capteur solaire (10) servant à concentrer l'énergie thermique issue du rayonnement solaire (S) sur une surface d'évaporation à l'intérieur du segment de chauffage (5).

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