FR2914638A1 - Floating device for distilling liquid e.g. seawater for the production of electricity, comprises a parabolic element whose inner surface reflects the solar radiation towards an immersed heat conducting tube - Google Patents

Floating device for distilling liquid e.g. seawater for the production of electricity, comprises a parabolic element whose inner surface reflects the solar radiation towards an immersed heat conducting tube Download PDF

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Publication number
FR2914638A1
FR2914638A1 FR0702527A FR0702527A FR2914638A1 FR 2914638 A1 FR2914638 A1 FR 2914638A1 FR 0702527 A FR0702527 A FR 0702527A FR 0702527 A FR0702527 A FR 0702527A FR 2914638 A1 FR2914638 A1 FR 2914638A1
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tube
parabolic element
parabolic
immersed
collector
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FR0702527A
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French (fr)
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FR2914638B1 (en
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Xavier Laborie
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Classifications

    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/02—Treatment of water, waste water, or sewage by heating
    • C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
    • C02F1/14—Treatment of water, waste water, or sewage by heating by distillation or evaporation using solar energy
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D1/00—Evaporating
    • B01D1/0011—Heating features
    • B01D1/0029—Use of radiation
    • B01D1/0035—Solar energy
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D1/00—Evaporating
    • B01D1/28—Evaporating with vapour compression
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D5/00—Condensation of vapours; Recovering volatile solvents by condensation
    • B01D5/0057—Condensation of vapours; Recovering volatile solvents by condensation in combination with other processes
    • B01D5/006—Condensation of vapours; Recovering volatile solvents by condensation in combination with other processes with evaporation or distillation
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/02—Treatment of water, waste water, or sewage by heating
    • C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
    • C02F1/18—Transportable devices to obtain potable water
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S20/00—Solar heat collectors specially adapted for particular uses or environments
    • F24S20/70—Waterborne solar heat collector modules
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S23/00—Arrangements for concentrating solar-rays for solar heat collectors
    • F24S23/70—Arrangements for concentrating solar-rays for solar heat collectors with reflectors
    • F24S23/71—Arrangements for concentrating solar-rays for solar heat collectors with reflectors with parabolic reflective surfaces
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/08—Seawater, e.g. for desalination
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00—Water conservation; Efficient water supply; Efficient water use
    • Y02A20/124—Water desalination
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00—Water conservation; Efficient water supply; Efficient water use
    • Y02A20/124—Water desalination
    • Y02A20/138—Water desalination using renewable energy
    • Y02A20/142—Solar thermal; Photovoltaics
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00—Water conservation; Efficient water supply; Efficient water use
    • Y02A20/20—Controlling water pollution; Waste water treatment
    • Y02A20/208—Off-grid powered water treatment
    • Y02A20/212—Solar-powered wastewater sewage treatment, e.g. spray evaporation
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/40—Solar thermal energy, e.g. solar towers
    • Y02E10/47—Mountings or tracking

Abstract

The floating device for distilling liquid (5) e.g. seawater for the production of electricity, comprises a parabolic element (1) whose inner surface (2) reflects the solar radiation (3) towards an immersed heat conducting tube (4). The heat conducting tube crosses the parabolic element along its axis, and passes through its focal point. Vapor is evacuated by a part emerging from a tube, which is equipped with a steam engine or a turbine operated by an electrical generator and with a unit to condense the vapor. An end of the tube part has a reservoir, which collects the condensed liquid. The floating device for distilling liquid (5) sea water for the production of electricity, comprises a parabolic element (1) whose inner surface (2) reflects the solar radiation (3) towards an immersed heat conducting tube (4). The heat conducting tube crosses the parabolic element along its axis, and passes through its focal point. Vapor is evacuated by a part emerging from a tube, which is equipped with a steam engine or a turbine operated by an electrical generator and with a unit to condense the vapor. An end of the tube part has a reservoir, which collects the condensed liquid. The parabolic element is closed in its upper part by a transparent sealing element, and equipped with a counterbalance in the immersed part. The immersed tube is a good heat conductor, and externally heat insulated on any part immersed up to a collector located in focus of the parabolic element. The collector is equipped with a valve and fixed with a support. The immersed tube and/or its insulator are ballasted for deep plunging in the liquid. The counterbalance is provided with cables for their anchorage, and is movable and/or motorized along rails fixed to the parabolic element. The immersed tube and/or emerging tube are flexible after crossing the parabolic element. A spherical and sealed shell is fixed with the parabolic element to allow a significant inclination. The collector support base is equipped with light sensors and/or photo voltaic cell detecting any shadow caused by the collector.

Description

La présente invention concerne un dispositif flottant permettant deThe present invention relates to a floating device for

distiller un liquide en récupérant de l'énergie et ce au moyen du rayonnement solaire.  distil a liquid by recovering energy using solar radiation.

Les dispositifs existants sont traditionnellement destinés à une installation terrestre, ce  The existing devices are traditionally intended for a terrestrial installation, this

qui nécessite un espace dédié à ces dispositifs, interdisant toute autre utilisation de cet espace. De plus, les dispositifs existants fonctionnent traditionnellement en circuit fermé, ce qui ne permet pas la récupération pour une autre utilisation du produit issu de cette distillation.  which requires a space dedicated to these devices, prohibiting any other use of this space. In addition, existing devices traditionally operate in a closed circuit, which does not allow the recovery for another use of the product resulting from this distillation.

Le dispositif selon l'invention permet de remédier à ces inconvénients. Il comporte en effet selon une première caractéristique, un élément parabolique dont la surface interne réfléchit le rayonnement solaire vers un tube conducteur thermique immergé qui traverse l'élément parabolique en suivant son axe et passe par son foyer. Le rayonnement solaire est ainsi concentré sur le tube immergé qui chauffe et, par conduction thermique, chauffe et évapore le liquide qu'il contient. La vapeur s'évacue alors par l'extrémité émergente de ce tube qui est équipée d'un moteur à vapeur ou d'une turbine qui à son tour entraîne un générateur électrique. Passé ce moteur à vapeur ou cette turbine le tube peut être de longueur suffisante, ou être équipé d'un condenseur, pour permettre la condensation de la vapeur. L'extrémité de cette partie du tube est pourvue d'un réservoir récupérant le liquide condensé. L'élément parabolique et sa traversée par le tube immergé sont étanches pour permettre à l'ensemble de flotter, et ainsi d'être disposé sur toute étendue de liquide.  The device according to the invention overcomes these disadvantages. It has in fact according to a first feature, a parabolic element whose inner surface reflects solar radiation to a submerged thermal conductive tube which passes through the parabolic element along its axis and passes through its focus. The solar radiation is thus concentrated on the submerged tube which heats and, by thermal conduction, heats and evaporates the liquid it contains. The steam then escapes through the emerging end of this tube which is equipped with a steam engine or a turbine which in turn drives an electric generator. Past this steam engine or the turbine the tube can be of sufficient length, or be equipped with a condenser, to allow the condensation of steam. The end of this portion of the tube is provided with a reservoir recovering the condensed liquid. The parabolic element and its passage through the submerged tube are sealed to allow the assembly to float, and thus to be disposed on any range of liquid.

Selon des modes particuliers de réalisation : -L'élément parabolique peut être fermé en sa partie supérieure par un élément transparent et étanche à même de permettre le passage du rayonnement solaire tout en rendant l'ensemble insubmersible.  According to particular embodiments: -The parabolic element can be closed at its upper part by a transparent and sealed element able to allow the passage of solar radiation while making the whole unsinkable.

-L'élément transparent peut être convexe pour augmenter la concentration du rayonnement solaire. -Le tube immergé peut être bon conducteur thermique et isolé thermiquement sur l'extérieur sur toute sa partie immergé jusqu'à un collecteur de rayonnement solaire situé au foyer de l'élément parabolique. Ce collecteur peut être bon absorbeur de rayonnement solaire, bon conducteur thermique, et transmettre au tube immergé la chaleur provenant du rayonnement solaire. Passé ce collecteur, le tube émergent peut être bon isolant thermique jusqu'au moteur à vapeur ou la turbine.  The transparent element can be convex to increase the concentration of solar radiation. The immersed tube can be a good thermal conductor and thermally insulated on the outside over its entire immersed part up to a collector of solar radiation located at the focus of the parabolic element. This collector can be good absorber of solar radiation, good thermal conductor, and transmit to the submerged tube heat from solar radiation. Past this manifold, the emerging tube can be good thermal insulator up to the steam engine or turbine.

-Le tube immergé peut être fixé au collecteur. Le collecteur peut être équipé d'une soupape et le tube immergé et/ou son isolant peuvent être lestés pour plonger profondément dans le liquide. La présence de la soupape et du leste permet l'augmentation de la pression à laquelle la vapeur s'évacuera et alimentera le moteur à vapeur ou la turbine. -Le collecteur peut être solidaire d'un support par lequel arrivent le tube immergé et son isolant et repart le tube émergent qui retraverse l'élément parabolique suivant son axe et de manière étanche, ce qui permet à l'élément parabolique de se maintenir naturellement à l'horizontale. - Le tube immergé peut ne pas être solidaire de l'isolant thermique et le collecteur peut être pourvu d'un couvercle démontable et étanche permettant l'accès au tube immergé pour en permettre le remplacement et/ou le nettoyage. - L'élément parabolique peut être équipé d'au moins un contrepoids dans la partie immergée de façon à orienter l'élément parabolique face au soleil. - Le ou les contrepoids peuvent être mobiles et/ou motorisés le long d'un ou plusieurs rails 10 solidaires de l'élément parabolique. -Le ou les contrepoids peuvent être pourvus de câbles permettant leur ancrage. - Les tubes immergé et/ou émergent peuvent être flexibles après avoir traversé l'élément parabolique pour en faciliter l'orientation. -Une coque sphérique et étanche peut être solidaire de l'élément parabolique pour en permettre 15 une inclinaison importante. La base du support de collecteur peut être pourvu de capteurs de lumière et/ou de cellules photovoltaïques détectant l'éventuelle ombre provoquée par le collecteur. La détection de cette ombre permet d'activer le ou les moteurs du ou des contrepoids pour réaligner l'élément parabolique face au soleil. 20 Les dessins annexés illustrent l'invention : La figure 1 représente en coupe, le dispositif de l'invention. La figure 2 représente en coupe, une variante de ce dispositif. La figure 3 représente en coupe, un détail de la zone entre collecteur et traversée de l'élément parabolique. 25 En référence à ces dessins, le dispositif comporte un élément parabolique (1) dont la surface interne (2) réfléchit le rayonnement solaire (3) vers un tube conducteur thermique (4) immergé qui traverse l'élément parabolique (1) en suivant son axe et passe par son foyer. Le rayonnement solaire est ainsi concentré sur le tube immergé (4) qui chauffe et, par conduction thermique, chauffe et évapore le liquide qu'il contient. La vapeur s'évacue alors par la partie 30 émergente du tube (9) qui est équipé d'un moteur à vapeur (7) ou d'une turbine qui à son tour entraîne un générateur électrique (10). Passé ce moteur à vapeur ou cette turbine, le tube émergent (9) est de longueur suffisante et/ou équipé d'un condenseur pour permettre la condensation de la vapeur. L'extrémité de cette partie du tube est pourvue d'un réservoir (8) récupérant le liquide condensé. L'élément parabolique (1) et sa traversée (6) par le tube immergé (4) sont étanches pour permettre à l'ensemble de flotter et ainsi d'être disposé sur toute étendue de liquide (5). Dans la forme de réalisation selon les figures 2 et 3, l'élément parabolique (1) est fermé en sa partie supérieure par un élément transparent et étanche (11) rendant l'ensemble 5 insubmersible. Le tube immergé (4) est bon conducteur thermique et est isolé thermiquement sur l'extérieur (18) sur toute sa partie immergé jusqu'à un collecteur (16) situé au foyer de l'élément parabolique (1). Ce collecteur est bon absorbeur de rayonnement solaire, bon conducteur thermique, et transmet au tube immergé (4) la chaleur provenant du rayonnement solaire. Passé 10 ce collecteur, le tube émergent (9) est bon isolant thermique jusqu'au moteur à vapeur (7) ou la turbine. Le tube immergé (4) est fixé au collecteur (16). Le collecteur est équipé d'une soupape (20) et le tube immergé (4) et/ou son isolant (18) sont lestés (19) pour plonger profondément dans le liquide (5). La présence de la soupape (20) et du leste (19) permet l'augmentation de la 15 pression à laquelle la vapeur s'évacuera et alimentera le moteur à vapeur (7) ou la turbine. Le collecteur (16) est solidaire d'un support (17) par lequel arrivent le tube immergé (4) et son isolant (18) et repart le tube émergent (9) qui retraverse l'élément parabolique (1) suivant son axe et de manière étanche, ce qui permet à l'élément parabolique (1) de se maintenir naturellement à l'horizontale. 20 Le tube immergé (4) n'est pas solidaire de son isolant thermique (18) et le collecteur (16) est pourvu d'un couvercle (2:2) démontable et étanche permettant l'accès au tube immergé (4) pour en permettre le remplacement et/ou le nettoyage. L'élément parabolique (1) est équipé d'au moins un contrepoids (12) dans la partie immergée de façon à orienter l'élément parabolique (1) face au soleil. 25 Le ou les contrepoids (12) sont mobiles et/ou motorisés le long d'un ou plusieurs rails (13) solidaires de l'élément parabolique (1). Le ou les contrepoids (12) sont pourvus de câbles (14) permettant leur ancrage (15). Les tubes immergés (4) et/ou émergent (9) sont flexible (21) après avoir traversé l'élément parabolique (1) pour en faciliter l'orientation. 30 Une coque sphérique et étanche (23) est solidaire de l'élément parabolique (1) pour en permettre une inclinaison importante. La base du support de collecteur (17) est pourvu de capteurs de lumière et/ou de cellules photovoltaïques (24) détectant l'éventuelle ombre provoquée par le collecteur (16). La détection de cette ombre permet d'activer le ou les moteurs du ou des contrepoids (12) pour réaligner 35 l'élément parabolique (1) face au soleil.  -The submerged tube can be attached to the manifold. The manifold may be equipped with a valve and the submerged tube and / or its insulator may be ballasted to dive deep into the liquid. The presence of the valve and ballast increases the pressure at which steam will escape and feed the steam engine or turbine. The collector can be secured to a support through which the immersed tube and its insulator arrive and leaves the emerging tube which crosses the parabolic element along its axis and in a sealed manner, which allows the parabolic element to naturally maintain itself. horizontally. - The submerged tube may not be secured to the thermal insulation and the collector may be provided with a removable and sealed cover for access to the submerged tube to allow replacement and / or cleaning. - The parabolic element may be equipped with at least one counterweight in the immersed portion so as to orient the parabolic element facing the sun. - The counterweight or weights can be movable and / or motorized along one or more rails 10 integral with the parabolic element. -The counterweight or weights may be provided with cables for their anchoring. - Immersed and / or emergent tubes can be flexible after passing through the parabolic element to facilitate orientation. A spherical and watertight shell may be integral with the parabolic element to allow a large inclination thereof. The base of the collector support can be provided with light sensors and / or photovoltaic cells detecting the possible shadow caused by the collector. The detection of this shadow makes it possible to activate the motor (s) of the counterweight (s) to realign the parabolic element in front of the sun. The accompanying drawings illustrate the invention: Figure 1 shows in section, the device of the invention. Figure 2 shows in section, a variant of this device. Figure 3 shows in section, a detail of the area between collector and crossing of the parabolic element. Referring to these drawings, the device comprises a parabolic element (1) whose inner surface (2) reflects solar radiation (3) to a submerged thermal conductive tube (4) which passes through the parabolic element (1) following his axis and goes through his home. The solar radiation is thus concentrated on the submerged tube (4) which heats and, by thermal conduction, heats and evaporates the liquid it contains. The vapor then escapes through the emergent portion of the tube (9) which is equipped with a steam engine (7) or a turbine which in turn drives an electric generator (10). Past this steam engine or this turbine, the emerging tube (9) is of sufficient length and / or equipped with a condenser to allow the condensation of steam. The end of this portion of the tube is provided with a reservoir (8) recovering the condensed liquid. The parabolic element (1) and its passage (6) through the submerged tube (4) are sealed to allow the assembly to float and thus be disposed on any range of liquid (5). In the embodiment according to Figures 2 and 3, the parabolic element (1) is closed at its upper part by a transparent and sealed element (11) making the assembly 5 unsinkable. The submerged tube (4) is a good thermal conductor and is thermally insulated on the outside (18) over its entire submerged portion to a collector (16) located at the focus of the parabolic element (1). This collector is good absorber of solar radiation, good thermal conductor, and transmits to the submerged tube (4) the heat from solar radiation. Past this manifold, the emergent tube (9) is good thermal insulation to the steam engine (7) or the turbine. The submerged tube (4) is attached to the manifold (16). The manifold is equipped with a valve (20) and the submerged tube (4) and / or its insulator (18) are weighted (19) to dive deep into the liquid (5). The presence of the valve (20) and the ballast (19) allows the increase of the pressure at which steam will escape and feed the steam engine (7) or the turbine. The collector (16) is secured to a support (17) through which the submerged tube (4) and its insulator (18) arrive and leaves the emergent tube (9) which crosses the parabolic element (1) along its axis and in a sealed manner, which allows the parabolic element (1) to naturally maintain its horizontal position. The submerged tube (4) is not secured to its thermal insulator (18) and the collector (16) is provided with a removable and leakproof lid (2: 2) allowing access to the submerged tube (4) for allow replacement and / or cleaning. The parabolic element (1) is equipped with at least one counterweight (12) in the submerged portion so as to orient the parabolic element (1) facing the sun. The counterweight or weights (12) are movable and / or motorized along one or more rails (13) integral with the parabolic element (1). The counterweight or weights (12) are provided with cables (14) for anchoring them (15). The immersed tubes (4) and / or emerging (9) are flexible (21) after passing through the parabolic element (1) to facilitate orientation. A spherical and sealed shell (23) is integral with the parabolic element (1) to allow a large inclination. The base of the collector support (17) is provided with light sensors and / or photovoltaic cells (24) detecting any shadow caused by the collector (16). The detection of this shadow makes it possible to activate the motor (s) of the counterweight (s) (12) to realign the parabolic element (1) facing the sun.

A titre d'exemple non limitatif, l'élément parabolique aura un diamètre de l'ordre de 2,5m et les tubes immergés et émergents auront un diamètre extérieur de l'ordre de 8mm. Le dispositif selon l'invention est particulièrement destiné à la distillation d'eau de mer combinée à la production d'électricité.  By way of non-limiting example, the parabolic element will have a diameter of the order of 2.5 m and the submerged and emerging tubes will have an outer diameter of the order of 8 mm. The device according to the invention is particularly intended for the distillation of seawater combined with the production of electricity.

Claims (13)

REVENDICATIONS 1) Dispositif flottant permettant de distiller un liquide (5) en produisant de l'énergie caractérisé en ce qu'il comporte un élément parabolique (1) dont la surface interne (2) réfléchit le rayonnement solaire (3) vers un tube conducteur thermique (4) immergé qui traverse l'élément parabolique (1) en suivant son axe et passe par son foyer, où la vapeur s'évacue par la partie émergente du tube (9) qui est équipée d'un moteur à vapeur (7) ou d'une turbine qui à son tour entraîne un générateur électrique (10) et où le tube émergent (9) est de longueur suffisante et/ou équipé d'un condenseur pour permettre la condensation de la vapeur, dont l'extrémité de cette partie du tube est pourvue d'un réservoir (8) récupérant le liquide condensé. L'élément parabolique (1) et sa traversée (6) par le tube immergé (4) étant étanche.  1) Floating device for distilling a liquid (5) producing energy characterized in that it comprises a parabolic element (1) whose inner surface (2) reflects solar radiation (3) to a thermal conductive tube (4) immersed through the parabolic element (1) along its axis and passing through its home, where the steam is evacuated by the emerging part of the tube (9) which is equipped with a steam engine (7) or a turbine which in turn drives an electric generator (10) and where the emerging tube (9) is of sufficient length and / or equipped with a condenser to allow condensation of the steam, the end of which part of the tube is provided with a reservoir (8) recovering the condensed liquid. The parabolic element (1) and its passage (6) by the submerged tube (4) being sealed. 2) Dispositif selon la revëndication 1 caractérisé en ce que l'élément paraboliquë (1) cst fermé en sa partie supérieure par un élément transparent et étanche (11).  2) Device according to revëndication 1 characterized in that the parabolic element (1) is closed in its upper part by a transparent and sealed element (11). 3) Dispositif selon la revendication 2 caractérisé en ce que l'élément transparent (10) est convexe pour augmenter la concentration du rayonnement solaire.  3) Device according to claim 2 characterized in that the transparent element (10) is convex to increase the concentration of solar radiation. 4) Dispositif selon une des revendications précédentes caractérisé en ce que le tube immergé (4) est bon conducteur thermique et est isolé thermiquement sur l'extérieur (18) sur toute sa partie immergé jusqu'à un collecteur (16) situé au foyer de l'élément parabolique (1).  4) Device according to one of the preceding claims characterized in that the submerged tube (4) is good thermal conductor and is thermally insulated on the outside (18) over its entire submerged portion to a collector (16) located at the home of the parabolic element (1). 5) Dispositif selon la revendication 4 caractérisé en ce que le tube immergé (4) est fixé au collecteur (16) qui est équipé d'une soupape (20) et le tube immergé (4) et/ou son isolant (18) sont lestés (19) pour plonger profondément dans le liquide (5).  5) Device according to claim 4 characterized in that the submerged tube (4) is attached to the manifold (16) which is equipped with a valve (20) and the submerged tube (4) and / or its insulator (18) are weighted (19) to dive deep into the liquid (5). 6) Dispositif selon la revendication 5 caractérisé en ce que le collecteur (16) est solidaire d'un support (17) par lequel arrivent le tube immergé (4) et son isolant (18) et repart le tube émergent (9) qui retraverse l'élément parabolique (1) suivant son axe et de manière étanche.  6) Device according to claim 5 characterized in that the collector (16) is secured to a support (17) by which the immersed tube (4) and its insulator (18) and the emerging tube (9) which returns the parabolic element (1) along its axis and in a sealed manner. 7) Dispositif selon la revendication 6 caractérisé en ce que le tube immergé (4) n'est pas solidaire de l'isolant thermique (18) et le collecteur (16) est pourvu d'un couvercle (22) démontable et étanche permettant l'accès au tube immergé (4).  7) Device according to claim 6 characterized in that the submerged tube (4) is not integral with the thermal insulator (18) and the collector (16) is provided with a cover (22) removable and sealed to allow l access to the submerged tube (4). 8) Dispositif selon l'une quelconque des revendications précédentes caractérisé en ce que l'élément parabolique (1) est équipé d'au moins un contrepoids (12) dans la partie immergée.  8) Device according to any one of the preceding claims characterized in that the parabolic element (1) is equipped with at least one counterweight (12) in the submerged portion. 9) Dispositif selon la revendication 8 caractérisé en ce que le ou les contrepoids (12) sont mobiles et/ou motorisés le long d'un ou plusieurs rails (13) solidaires de l'élément parabolique (1).  9) Device according to claim 8 characterized in that the or counterweight (12) are movable and / or motorized along one or more rails (13) integral with the parabolic element (1). 10) Dispositif selon la revendication 8 caractérisé en ce que le ou les contrepoids (12) sont pourvus de câbles (14) permettant leur ancrage (15).  10) Device according to claim 8 characterized in that the or counterweight (12) are provided with cables (14) for their anchoring (15). 11) Dispositif selon l'une quelconque des revendications précédentes caractérisé en ce que les tubes immergés (4) et/ou émergent (9) sont flexible (21) après avoir traversé l'élément parabolique (1).  11) Device according to any one of the preceding claims characterized in that the submerged tubes (4) and / or emergent (9) are flexible (21) after passing through the parabolic element (1). 12) Dispositif selon l'une quelconque des revendications précédentes caractérisé en ce qu'une coque sphérique et étanche (23) est solidaire de l'élément parabolique (1) pour en permettre une inclinaison importante.  12) Device according to any one of the preceding claims characterized in that a spherical and sealed shell (23) is integral with the parabolic element (1) to allow a large inclination. 13) Dispositif selon la revendication 6 et la revendication 9 caractérisé en ce que la base du support de collecteur (17) est pourvu de capteurs de lumière et/ou de cellules photovoltaïques 10 (24) détectant l'éventuelle ombre provoquée par le collecteur (16).  13) Device according to claim 6 and claim 9 characterized in that the base of the collector support (17) is provided with light sensors and / or photovoltaic cells (24) detecting the possible shadow caused by the collector ( 16).
FR0702527A 2007-04-06 2007-04-06 FLOATING SOLAR ENERGY PRODUCER DISTILLER Expired - Fee Related FR2914638B1 (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011070105A3 (en) * 2009-12-10 2011-09-29 Environeers Technologies Ag Cavitation evaporator and seawater desalination plant comprising such an evaporator
GB2492747A (en) * 2011-06-27 2013-01-16 Nassim Molany Sunlight trapper for desalination and producing electricity
FR3050017A1 (en) * 2016-04-06 2017-10-13 Patrice Micolon DEVICE FOR PRODUCING SOLAR ENERGY
WO2019080495A1 (en) * 2017-10-23 2019-05-02 曾媚 Solar energy distillation apparatus

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Publication number Priority date Publication date Assignee Title
FR2412171A1 (en) * 1977-12-16 1979-07-13 Szita Ivan Floating thermoelectric generator using solar heated thermocouples - used esp. for generating power to desalinate water for drinking
SE421205B (en) * 1980-09-23 1981-12-07 Karlstads Handel & Konsult Device for the preparation of fresh water from sea water
SU1020712A1 (en) * 1981-12-31 1983-05-30 Институт Истории Им.Ш.Батырова Floating solar-powered desalination plant
JPS58156391A (en) * 1982-03-12 1983-09-17 Mitsui Eng & Shipbuild Co Ltd Apparatus for desalinating sea water
JPS62213891A (en) * 1986-03-17 1987-09-19 Tsurunosuke Ochiai Solar heat water maker
RU2044692C1 (en) * 1992-11-30 1995-09-27 Общество с ограниченной ответственностью "Астросолар" Solar desalter

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2412171A1 (en) * 1977-12-16 1979-07-13 Szita Ivan Floating thermoelectric generator using solar heated thermocouples - used esp. for generating power to desalinate water for drinking
SE421205B (en) * 1980-09-23 1981-12-07 Karlstads Handel & Konsult Device for the preparation of fresh water from sea water
SU1020712A1 (en) * 1981-12-31 1983-05-30 Институт Истории Им.Ш.Батырова Floating solar-powered desalination plant
JPS58156391A (en) * 1982-03-12 1983-09-17 Mitsui Eng & Shipbuild Co Ltd Apparatus for desalinating sea water
JPS62213891A (en) * 1986-03-17 1987-09-19 Tsurunosuke Ochiai Solar heat water maker
RU2044692C1 (en) * 1992-11-30 1995-09-27 Общество с ограниченной ответственностью "Астросолар" Solar desalter

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011070105A3 (en) * 2009-12-10 2011-09-29 Environeers Technologies Ag Cavitation evaporator and seawater desalination plant comprising such an evaporator
GB2492747A (en) * 2011-06-27 2013-01-16 Nassim Molany Sunlight trapper for desalination and producing electricity
FR3050017A1 (en) * 2016-04-06 2017-10-13 Patrice Micolon DEVICE FOR PRODUCING SOLAR ENERGY
WO2019080495A1 (en) * 2017-10-23 2019-05-02 曾媚 Solar energy distillation apparatus

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