FR2482267A1 - Solar heat trap compressing two layers of flexible film or sheet - for low cost heating of fresh concrete - Google Patents
Solar heat trap compressing two layers of flexible film or sheet - for low cost heating of fresh concrete Download PDFInfo
- Publication number
- FR2482267A1 FR2482267A1 FR8005971A FR8005971A FR2482267A1 FR 2482267 A1 FR2482267 A1 FR 2482267A1 FR 8005971 A FR8005971 A FR 8005971A FR 8005971 A FR8005971 A FR 8005971A FR 2482267 A1 FR2482267 A1 FR 2482267A1
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- FR
- France
- Prior art keywords
- layers
- heat transfer
- transfer fluid
- volume
- sheet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S10/00—Solar heat collectors using working fluids
- F24S10/50—Solar heat collectors using working fluids the working fluids being conveyed between plates
- F24S10/503—Solar heat collectors using working fluids the working fluids being conveyed between plates having conduits formed by paired plates, only one of which is plane
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S10/00—Solar heat collectors using working fluids
- F24S10/50—Solar heat collectors using working fluids the working fluids being conveyed between plates
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S10/00—Solar heat collectors using working fluids
- F24S10/50—Solar heat collectors using working fluids the working fluids being conveyed between plates
- F24S10/501—Solar heat collectors using working fluids the working fluids being conveyed between plates having conduits of plastic material
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- 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
- Y02E10/44—Heat exchange systems
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Tents Or Canopies (AREA)
Abstract
Description
DESCRIPTIONS
La Drésente invention concerne le chauffage des bétons, de façon a activer la crise et le durcissement de ces derniers.DESCRIPTIONS
The present invention relates to the heating of concrete, so as to activate the crisis and the hardening of the latter.
-A l'azure actuelle la thermo-maturation des bétons se usait principalement par chauffage de l'air situé dans une cloche recouvrant la pièces soit par chauffage d'une plaque d'acier situe sous la pièce, soit par combinaison des deux systèmes, soit encore par chauffage électrique des armatures noyées dans le béton.Tous ces moyens sont onéreux, soit par le matériel utilisé, soit par le prix des énergies utilisées Un système différent eonsiste à isoler thermiquement le béton de son environnement9 de façon à emprisonner la chaleur dégagée par le béton lors de sa prise ( réaction exothermique) et à faire ainsi un auto-étuvage
Ce dernier système est d'un eoût faible mais d'une efficacité souvent diminuée par la présence de ponts thermiques imposés par le coffrage ou la nature de la pièce à réalisera
L'invention indiquée ci-dessus, bien que liée à la présence d'ensoleillement, a l'avantage d'être très économique en invas- tissement, de ne rien coûter en énergie, de se réparer facilement, de se combiner aux moyens utilisés ( à l'exclusion de l'auto étuvage), et sa mise en place est des plus aisées. Enfin elle s'adapte parfaitement à toutes les formes de pièces.-At the current azure the thermo-maturation of concretes was used mainly by heating the air located in a bell covering the parts either by heating a steel plate located under the part, or by combination of the two systems, either by electric heating of the reinforcements embedded in the concrete. All these means are expensive, either by the material used, or by the price of the energies used. A different system consists in thermally insulating the concrete from its environment9 so as to trap the heat released by the concrete during its setting (exothermic reaction) and thus to make a self-steaming
This last system is of low cost but of efficiency often diminished by the presence of thermal bridges imposed by the formwork or the nature of the part to be produced
The invention indicated above, although linked to the presence of sunshine, has the advantage of being very economical in investment, of not costing anything in energy, of being easily repaired, of being combined with the means used. (excluding self-steaming), and its installation is very easy. Finally it adapts perfectly to all shapes of parts.
Le système objet de la présente invention utilise la technique classique des capteurs solaires actuels, à savoir une paroi de transmission, un absorbeur d'énergie de couleur noire, un fluide caloporteur, un circuit de circulation de ce fluide, mais n'exige pas nécessairement la présence d'un isolant sous le fluide caloporteur
Son originalité réside dans la simplification technique et économique de l'ensemble, ainsi que dans l'obtention d'un produit incassable, souple, se pretant d'avantage d'utilisations et se rangeant plus facilement.The system object of the present invention uses the conventional technique of current solar collectors, namely a transmission wall, a black energy absorber, a heat transfer fluid, a circuit for circulation of this fluid, but does not necessarily require the presence of an insulator under the heat transfer fluid
Its originality lies in the technical and economic simplification of the whole, as well as in obtaining an unbreakable, flexible product, which lends itself to more uses and which can be stored more easily.
La constitution d'un capteur souple peut être décrite de la manie suivante
a) - une paroi en plastique souple transparente dans le domaine des rayonnements visibles et opaque dans tout ou partie du spectre des infra-rouges, ( par exemple un film de polyane d'ésaisselar I5/I00 de ram) de manière à transmettre l'énergie
Solaire dans l'ensemble mais a bloquer tant que possible l'émission secondaire infra-rouCe dévagee nar l'absorbeur;
's) - verrière cette paroi, un fluide caloporteur simple, par exemple de l'air;;
ç) - une seconde paroi souple, envelonpant le fluide caloporteur et jouant en -mme temps le réale d'absorbeur d'énergie visible et de réemetteur d'énergie inNra-roue par sa qualité physique de corps noir. Il s'agira par exemple d'un film noir de polyéthylène de I0/I00 de mm d'épaisseur.The constitution of a flexible sensor can be described in the following manner
a) - a transparent flexible plastic wall in the field of visible radiation and opaque in all or part of the infrared spectrum, (for example a polyethylene film of esaisselar I5 / I00 of ram) so as to transmit the energy
Solar on the whole but to block as far as possible the secondary infrared emission deviated by the absorber;
's) - canopy this wall, a simple heat transfer fluid, for example air;
ç) - a second flexible wall, enveloping the heat transfer fluid and at the same time playing the real role of visible energy absorber and energy re-emitter inNra-wheel by its physical quality of black body. It will, for example, be a black polyethylene film I0 / I00 mm thick.
Le circuit- de circulation du fluide caloporteur dans le capteur sera : soit toute la zone délimitée par l'écartement des films ( transparent et noir) tendus sur des supports de hauteur différentes ( Figure 1);
soit la ou les canalisations obtenues par collage ou soudure des Dlis d'un des films sur l'autre film tendu ( Figure 2) ou ( Figure 3).The circuit for circulation of the heat transfer fluid in the sensor will be: either the entire area delimited by the spacing of the films (transparent and black) stretched on supports of different heights (Figure 1);
either the pipe or pipes obtained by bonding or welding the Dlis of one of the films to the other stretched film (Figure 2) or (Figure 3).
- - L'isolation thermique du capteur , si elle est nécessaire pour certaines applications ( éloignement du capteur de son utilisation , par exemple : eau chaude domestique), sera réalisée en substituant au mince film noir précédent une membrane souple noire mais du type mousse, de façon à obtenir par une structure alvéolaire et par épaisseur de cette menbrane, la résistance thermique souhaitée ( Figure 4). - - The thermal insulation of the sensor, if it is necessary for certain applications (distancing the sensor from its use, for example: domestic hot water), will be carried out by replacing the thin black film above with a flexible black membrane but of the foam type, so as to obtain by a honeycomb structure and by thickness of this menbrane, the desired thermal resistance (Figure 4).
e) - Le circuit de distribution du fluide caloporteur du capteur vers son utilisation se fer soit en enveloppant complètement la pièce à chauffer par le capteur et en ménageant des sorties de fluide caloporteur vers l'intérieur de ce;volume ( chauffage de béton par exemple); soit en raccordant le circuit étanche du fluide dans le capteur au lieu d'utilisation ou de stockage , au moyen de canalisations indépendantes ( eau chaude domestique par exemple). e) - The distribution circuit of the heat transfer fluid from the sensor to its use will be either by completely enveloping the part to be heated by the sensor and by providing outlets for heat transfer fluid towards the interior of this volume (heating of concrete for example ); either by connecting the fluid tight circuit in the sensor at the place of use or storage, by means of independent pipes (domestic hot water for example).
f)- Un système de pompe pourra éventuellement etre counlé sur le capteur en fonction des besoins et des utilisations , de même que les distositifs actuellement commercialisés de boitiers électroniques de commandes , ballon réservoir etc... f) - A pump system could possibly be fitted to the sensor according to needs and uses, as well as the currently marketed devices for electronic control units, tank tanks, etc.
L'inventinn des capteurs solaires souples s'applique à la production bon marché d'eau chaude ou d'air chaud , sa forme souple lui permet d'être déroulée suivant les besoins , aussi b ien sur toiture d'usine ou de maison que dans un jardin, ou même sur le toit d'une caravane. Son installation facile e-t son rangement par enroulement très simple permettent de l'utiliser occasionnellement. The inventinn of flexible solar collectors applies to the cheap production of hot water or hot air, its flexible shape allows it to be unwound as needed, as well on factory or house roofs as in a garden, or even on the roof of a caravan. Its easy installation and its storage by very simple winding allow it to be used occasionally.
Son application dans le cas du béton permet d'accêlerer les constructions à la montagne ou out au moins d'assurer une mise hors gel du béton ainsi protégé. Dans les travau:; publics, elle permet de durcir plus rapidement le béton et don c d'assurer avec plus de sécurité et de rapidité, des opérations de mise en précon- trainte. Its application in the case of concrete makes it possible to speed up constructions in the mountains or at least to ensure a frost protection of the concrete thus protected. In the works :; public, it makes it possible to harden concrete more quickly and thus c ensures, with more security and speed, prestressing operations.
Légende : Les dessins figurant en annexe jointe, représentent
Figure 1 - repère 1 = film souple noir
- repère 2 = fluide caloporteur
- repère 3 = film souple transparent
- repère 4 = représentation schématique des supports.Caption: The drawings in the attached annex represent
Figure 1 - item 1 = black flexible film
- item 2 = heat transfer fluid
- item 3 = transparent flexible film
- item 4 = schematic representation of the supports.
Figure 2 et Figure 3
- repère 1 = film souple noir
- repère 2= fluide caloporteur
- repère 3 = film souple transparent
- repère 4 = représentation schématique des supports.Figure 2 and Figure 3
- mark 1 = black flexible film
- item 2 = heat transfer fluid
- item 3 = transparent flexible film
- item 4 = schematic representation of the supports.
- repère 5 = ligne de soudure ou de collage
Figure 4 - repère 1 = membrane Type mousse, souple et noire
- repère ' = fluide caloporteur,
- repère 3 = film souple tranSparent
- repère 4 = représentation schématique des supports. - mark 5 = welding or gluing line
Figure 4 - item 1 = membrane Type foam, flexible and black
- mark '= heat transfer fluid,
- item 3 = transparent transparent film
- item 4 = schematic representation of the supports.
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8005971A FR2482267A1 (en) | 1980-03-14 | 1980-03-14 | Solar heat trap compressing two layers of flexible film or sheet - for low cost heating of fresh concrete |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8005971A FR2482267A1 (en) | 1980-03-14 | 1980-03-14 | Solar heat trap compressing two layers of flexible film or sheet - for low cost heating of fresh concrete |
Publications (1)
Publication Number | Publication Date |
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FR2482267A1 true FR2482267A1 (en) | 1981-11-13 |
Family
ID=9239767
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8005971A Pending FR2482267A1 (en) | 1980-03-14 | 1980-03-14 | Solar heat trap compressing two layers of flexible film or sheet - for low cost heating of fresh concrete |
Country Status (1)
Country | Link |
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FR (1) | FR2482267A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT410621B (en) * | 2001-09-19 | 2003-06-25 | Felix Heescher Gmbh | SHADING AND / OR INSULATION, AND METHOD FOR THE PRODUCTION AND USE THEREOF |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3022781A (en) * | 1959-06-11 | 1962-02-27 | Andrassy Stella | Heater |
US3076450A (en) * | 1961-06-16 | 1963-02-05 | Edward W Gough | Plastic solar heater |
FR1570716A (en) * | 1968-04-30 | 1969-06-13 | ||
GB1366481A (en) * | 1971-07-27 | 1974-09-11 | Gkn Sankey Ltd | Units suitable for glazing or solar absorbtion |
US4026268A (en) * | 1975-09-29 | 1977-05-31 | Dow Corning Corporation | Solar energy collector |
US4069283A (en) * | 1976-04-05 | 1978-01-17 | Rauchfuss Arthur A | Method of curing and protecting a concrete column |
DE2717711A1 (en) * | 1977-04-21 | 1978-10-26 | Heinz Hoelter | House heat screen for tropical regions - consists of inflatable roof covering of corrugated transparent foil on black absorption foil |
FR2426219A1 (en) * | 1978-05-18 | 1979-12-14 | Saint Gobain | Solar energy collector - has absorber comprising two joined corrugated sheets with heat transfer fluid circulating parallel to connections |
GB2025602A (en) * | 1978-07-12 | 1980-01-23 | Taylor A W | Solar panel. |
-
1980
- 1980-03-14 FR FR8005971A patent/FR2482267A1/en active Pending
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3022781A (en) * | 1959-06-11 | 1962-02-27 | Andrassy Stella | Heater |
US3076450A (en) * | 1961-06-16 | 1963-02-05 | Edward W Gough | Plastic solar heater |
FR1570716A (en) * | 1968-04-30 | 1969-06-13 | ||
GB1366481A (en) * | 1971-07-27 | 1974-09-11 | Gkn Sankey Ltd | Units suitable for glazing or solar absorbtion |
US4026268A (en) * | 1975-09-29 | 1977-05-31 | Dow Corning Corporation | Solar energy collector |
US4069283A (en) * | 1976-04-05 | 1978-01-17 | Rauchfuss Arthur A | Method of curing and protecting a concrete column |
DE2717711A1 (en) * | 1977-04-21 | 1978-10-26 | Heinz Hoelter | House heat screen for tropical regions - consists of inflatable roof covering of corrugated transparent foil on black absorption foil |
FR2426219A1 (en) * | 1978-05-18 | 1979-12-14 | Saint Gobain | Solar energy collector - has absorber comprising two joined corrugated sheets with heat transfer fluid circulating parallel to connections |
GB2025602A (en) * | 1978-07-12 | 1980-01-23 | Taylor A W | Solar panel. |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT410621B (en) * | 2001-09-19 | 2003-06-25 | Felix Heescher Gmbh | SHADING AND / OR INSULATION, AND METHOD FOR THE PRODUCTION AND USE THEREOF |
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