FR2707281A1 - Principle of irrigation using unclean (saline or waste) water by virtue of solar energy - Google Patents

Abstract

Device for employing a percentage of unclean water (brines, sea water, brackish water, industrial, waste water) for irrigation or recovery. It employs the discharge component called a "conductor" (1) (gutter, pipe and the like) for creating a saturation with water vapour using solar energy in a closed medium called a "recoverer" (5). This water vapour is condensed within the ground or in the medium in studs supporting the whole, called "condensers" (6). The condensed water is released into the ground or recovered by draining (8). The device according to the invention is particularly intended for the treatment of water discharged from desalination, nuclear, chemical or individual plants, and for the irrigation of desert or cultivated regions, etc. The device may be treated with additional functions such as pergola, landscaping edging, sun screening, shelter, greenhouse, traffic area, terrace protection, shelter against night frost, hail protection and the like.

Description

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DESCRIPTION

  The present invention relates to a device for producing "usable" water.

  "from unsuitable water (saline or used) on the principle of evaporation - condensation and this during their rejection.

  Currently, water reputed to be unusable and therefore "unfit" is usually discharged either directly into the sea or into the river or led by various pipes to treatment stations. There is no post -

  use after use thereof. The device according to the invention makes it possible to overcome this under use of a large quantity of water discharged or reprocessed.

  1 0 I1 makes it possible in fact to take, during the stage of "transporting unsuitable water to discharge whatever it is, a non-negligible percentage of usable water. This production of clean water will therefore be saved for all stages (consumption. cost of treatment, economy of supply lines, etc.) The process as developed below makes it possible to adapt to the various types of discharge of improper water (gutters, pipes of various diameters ..) The general device as illustrated in Figure 1 in the schematic diagram includes a "conductor" (1) which is used to transport the improper water "(2) to the discharge This conductor (1) is pierced with evaporation orifices (3) possibly fitted with an anti-overflow float (14) which make it possible to saturate with water vapor a translucent or transparent "recuperator" (5) ensuring the heating by solar energy of the conductor (1) . Depending on the types of manufacturing, this recuperator (5) may be provided with a reflecting wall (9). This recuperator (5) communicates by sealed junctions (10) to studs

  condensers (6). The latter serve as supports for the assembly and are sunk25 in a colder environment ensuring a condensation zone (7) such as the ground in general, but also the sea, rivers.

  The condensate discharge (8) is released inside the condenser pads (6) and then is absorbed by the soil for irrigation or recovered by drains. It should be noted that the height of the condensing pads (6) above the ground (1) is variable and depends on the intended use, that their depth (12) in the ground is variable depending on the foundation and geographic areas. For

  bearing when the conductor (1) is completely filled in periods of high flow, the evaporation orifices can be fitted with anti-overflow and anti-pollution devices by float (14).

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  Figure -1 shows in section the explanation of the principle according to the invention.

  The attached drawings numbered 2 to 7 show examples of applications

  non-limiting industrial or agricultural.

  Examples of application: Figure-2 Sectional view, shaded pergola or sun visor (carport, etc.) Creation of semi-shaded area, hailstorm and thunderstorm and night anti-frost protection. The condenser pads (6) act as structural supports. Recuperator (5)

and conductor (I) are sunbreakers.

  Figure -3 Perspective view, irrigation element for tall vegetation Figure -4 Sectional view and plan - Low vegetation - Border of soil, areas

  grassed. The plan line layout can follow the landscape drawing.

  Figure -5 Sectional view - Total shade shelter or patio treatment Recuperator (5) solid bottom (metallic or reinforced concrete) and translucent or transparent surface

  (16) - Possible foundation in microporous concrete (13).

Figure-6

  Greenhouse with natural and automatic irrigation - Sectional view.

  Fully transparent or translucent glass or plastic sheet recuperator (5).

  The conductors (1) and condenser pads (6) can be structural elements.

  The irrigation is done by drainage., Under the zone concerned.

Figure -7

  Rejection channel allowing circulation - Sectional view.

  comprises on the same drawing two variants denoted V 1 and V2.

  Thermal insulation (15) may be optionally provided.

  3 The condenser tanks (6) are here the foundation walls.

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Claims (6)

  1 - Device making it possible to use "improper (salted, used, etc.) water pipes to produce a percentage of" clean "water by solar energy, characterized in that it comprises a" conductor (1)   which transports the improper water (2) and has evaporation orifices (3).   The medium saturated with water vapor (4) is recovered in the recuperator (5) which serves as solar heating of the conductor (1) and communicates the saturated air to the conductive pads (6) placed in a cooler medium ( soil or environment) in which condensation occurs (7) and release of "clean" water (8).   2 - Device according to claim 1, characterized in that the condenser plate (6) supports the assembly.   3 - Device according to any one of the preceding claims, characterized in that the "recuperator" (5) is translucent or transparent.   4 - Device according to any one of the preceding claims, characterized in that the condenser (6) communicates so tight to the "recuperator" (5).   - Device according to any one of the preceding claims, characterized in that the "condenser box" (6) is in the support element : soil in general.   6 - Device according to any one of the preceding claims, characterized in that the recuperator (5) has an area reflective (9).   7- Device according to any one of the preceding claims   2 5 characterized in that the evaporation orifices include a anti-overflow device (14).