EP0470886A1 - Specific structure for accelerating the reactivity speed of zeolite and method for depositing zeolite on said structure - Google Patents

Specific structure for accelerating the reactivity speed of zeolite and method for depositing zeolite on said structure Download PDF

Info

Publication number
EP0470886A1
EP0470886A1 EP91402107A EP91402107A EP0470886A1 EP 0470886 A1 EP0470886 A1 EP 0470886A1 EP 91402107 A EP91402107 A EP 91402107A EP 91402107 A EP91402107 A EP 91402107A EP 0470886 A1 EP0470886 A1 EP 0470886A1
Authority
EP
European Patent Office
Prior art keywords
zeolite
projections
structure according
area
spaces
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.)
Ceased
Application number
EP91402107A
Other languages
German (de)
French (fr)
Inventor
Claude Blaizat
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Blaizat Claude
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP0470886A1 publication Critical patent/EP0470886A1/en
Ceased legal-status Critical Current

Links

Images

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B35/00Boiler-absorbers, i.e. boilers usable for absorption or adsorption
    • F25B35/04Boiler-absorbers, i.e. boilers usable for absorption or adsorption using a solid as sorbent

Definitions

  • the present invention relates to a structure intended to accelerate the speed of reactivity of the zeolite in cooling and / or heating devices containing zeolite in granules or in balls.
  • the zeolite must have good adhesion to the support or structure, high adsorption capacities and good heat transfer with the support.
  • patent DE-OS-25 36 006 describes a process for depositing zeolite, alumina, activated carbon, under granular or sprayed form, on a metal support which is characterized by the immersion of said support in an adequate chemical solution. The deposit formed is then dried and then filtered.
  • the reactivity time of the zeolite is of the order of at least 40 minutes.
  • the zeolite, used in the form of granules, has a diameter of between 1 and 3 mm and is held vertically in an aluminum or copper profile.
  • the reactivity time of the zeolite is the minimum time to provide it with heat so as to raise its temperature between 200 and 300 ° C.
  • the subject of the present invention is a particular structure which makes it possible to improve the speed of reactivity of the zeolite thus presenting markedly improved performance. It is particularly intended to be applied in cooling and / or heating devices of the refrigerator type for example.
  • the structure for accelerating the speed of reactivity of the zeolite in cooling and / or heating devices containing zeolite in granules or in balls is characterized in that it consists of a hollow metallic piece whose external surface is shaped in a regular configuration of so as to present a plurality of projections.
  • the reactivity time is of the order of a minute.
  • the configuration consists of projections arranged horizontally and vertically, in two planes, each of the projections being separated by a small and a large space of parallelepipedal shapes such as the width of the area of the upper face and that of the area of the underside of the small space, between two projections, is of the order of 2 mm, and their lengths of the order of 3 mm, and that the width of the area of the underside and that of the area of the upper face of the large space, between two projections, is between 4 and 5 mm, and their lengths of the same order.
  • Said projections are in the form of a volume of parallelepiped shape with a height of between 15 and 30 mm.
  • the width of the area of the upper face and that of the area of the lower face of said volume forming a projection are of the order of 3 mm and their respective length is between 4 and 5 mm.
  • the metal part is a rolled plate and connected at its two ends by a weld.
  • the small spaces are closed off with continuous strips before the zeolite is introduced into the large spaces.
  • the metal part is made of aluminum or copper.
  • said structure is introduced into a glass tube around which is arranged a device making it possible to induce so-called eddy currents in the metal structure .
  • This embodiment of the invention is particularly suitable for being applied to a household refrigerator because of its very simple technical design and its low manufacturing cost.
  • Figure 1 is a schematic representation, seen from above, of a part of said structure.
  • FIG. 1a is a sectional view of part of the structure along the axis I-I ′ of FIG. 1.
  • FIG. 1b is a sectional view of part of the structure along the axis II-II ′ of FIG. 1.
  • Figure 2 is a schematic sectional view along I-I 'of a non-limiting embodiment of the structure according to the invention.
  • the structure consists of a metal part 1 in which a channel 4 has been dug and on which have been formed series of projections 5 arranged more or less regularly along the same longitudinal plane and the same transverse plane. the axis of channel 4.
  • the adsorbent here zeolite 6, adheres to the walls of the projections 5 adjacent to the spaces 2.
  • the zeolite 6 has a diameter of the order of 3 mm and is in granular form.
  • FIG. 2 there is shown an application of the structure.
  • the structure is placed in a glass tube 7 around which is placed a medium frequency inductor 8 for example.
  • the structure consists in fact of two simple juxtaposed structures having protrusions 5 only on one of their sides and therefore has a configuration such that the two channels 4 are adjacent.
  • the hot or cold liquid or gas is introduced via the pipe 11, then it is evacuated, via the tubular connection 9, into the second channel 4b, and finally discharged to the outside by the pipeline 10.
  • the zeolite 6 deposition process is carried out as follows:
  • the spaces 3 are filled in with the aforementioned plastic strips.
  • the zeolite 6 is then introduced into the spaces 2. Then the structure is placed in a bath containing a solution such as that used in FR-A-2 443 485. Once the zeolite has been deposited on the faces of the projections 5, the structure of the bath is removed and the plastic strips are removed. The structure is then introduced into an oven at a temperature of the order of 300 ° C. to effect the sintering of the zeolite 6.
  • a thin deposit (0.1 to 0.5 mm) of zeolite 6 is then obtained out of two faces of each projection 5, continuous deposition because the granules or grains of zeolite are also bonded to each other but not completely: we thus notice spaces between two grains or granules, which thus promotes the passage of gas or liquid for the cooling and / or heating of an enclosure. Spaces 2 are also filled with zeolite (see Figures 1a and 1b). Consequently, during the use of the structure, the absence of zeolite 6 on the two other faces of the projections 5 will favor the acceleration of the speed of reactivity of the zeolite 6.
  • the heating of the structure placed in a glass tube is accelerated by the medium frequency inductor 8, thus promoting the speed of reactivity of the zeolite 6.
  • This structure is particularly suitable for heating and / or cooling devices of the refrigerator type but also for air conditioning of vehicles.

Abstract

The structure according to the invention is characterised in that it is constituted by a hollow metal piece (1), the external surface of which is shaped in a regular manner so as to have a plurality of projections (5). Application to devices for cooling and/or heating, for example for vehicle air-conditioners. <IMAGE>

Description

La présente invention a trait à une structure destinée à accélérer la vitesse de réactivité de la zéolithe dans des dispositifs de refroidissement et/ou de chauffage contenant de la zéolithe en granulés ou en billes.The present invention relates to a structure intended to accelerate the speed of reactivity of the zeolite in cooling and / or heating devices containing zeolite in granules or in balls.

Elle s'applique notamment aux réfrigérateurs qui nécessitent des dispositifs à adsorption et désorption très rapides pour fabriquer du froid, et a pour objectif de réaliser un dépôt de zéolithe sur ladite structure.It applies in particular to refrigerators which require very rapid adsorption and desorption devices to produce cold, and aims to achieve a deposit of zeolite on said structure.

La zéolithe doit présenter une bonne adhérence sur le support ou structure, des capacités d'adsorption élevées et un bon transfert thermique avec le support.The zeolite must have good adhesion to the support or structure, high adsorption capacities and good heat transfer with the support.

Il existe dans l'état de la technique de nombreuses antériorités décrivant des procédés de dépôt d'un matériau adsorbant sur un support.There are numerous prior art in the state of the art describing methods of depositing an adsorbent material on a support.

Par exemple, le brevet DE-OS-25 36 006 décrit un procédé de dépôt de zéolithe, d'alumine, de charbon activé, sous forme granulaire ou pulvérisé, sur un support métallique qui est caractérisé par l'immersion dudit support dans une solution chimique adéquate. Le dépôt formé est ensuite séché puis filtré.For example, patent DE-OS-25 36 006 describes a process for depositing zeolite, alumina, activated carbon, under granular or sprayed form, on a metal support which is characterized by the immersion of said support in an adequate chemical solution. The deposit formed is then dried and then filtered.

Un autre procédé de dépôt d'un adsorbant sur une plaque support est décrit dans le FR-A-2 443 485, procédé dans lequel l'adsorbant pulvérisé est dispersé dans une solution alcaline et se dépose sur la plaque support après élimination de la plaque solvant.Another method of depositing an adsorbent on a support plate is described in FR-A-2 443 485, method in which the sprayed adsorbent is dispersed in an alkaline solution and is deposited on the support plate after removal of the plate solvent.

Lorsqu'on fait circuler, sous vide, un fluide caloporteur dans un profilé creux destiné à être utilisé dans des dispositifs de refroidissement et/ou de chauffage du type réfrigérateur par exemple, et dont la face externe est revêtue de zéolithe, revêtement réalisé selon l'un des procédés ci-dessus décrits, le temps de réactivité de la zéolithe est de l'ordre de 40 minutes au moins. La zéolithe, utilisée sous forme de granules, présente un diamètre compris entre 1 et 3 mm et est maintenue verticalement dans un profilé en aluminium ou en cuivre.When circulating, under vacuum, a heat transfer fluid in a hollow profile intended to be used in cooling and / or heating devices of the refrigerator type for example, and the external face of which is coated with zeolite, coating produced according to the 'One of the methods described above, the reactivity time of the zeolite is of the order of at least 40 minutes. The zeolite, used in the form of granules, has a diameter of between 1 and 3 mm and is held vertically in an aluminum or copper profile.

Le temps de réactivité de la zéolithe est le temps minimum pour lui apporter de la chaleur de façon à monter sa température entre 200 et 300°C.The reactivity time of the zeolite is the minimum time to provide it with heat so as to raise its temperature between 200 and 300 ° C.

La présente invention a pour objet une structure particulière qui permet d'améliorer la vitesse de réactivité de la zéolithe présentant ainsi des performances nettement améliorées. Elle est particulièrement destinée à être appliquée dans les dispositifs de refroidissement et/ou de chauffage du type réfrigérateur par exemple.The subject of the present invention is a particular structure which makes it possible to improve the speed of reactivity of the zeolite thus presenting markedly improved performance. It is particularly intended to be applied in cooling and / or heating devices of the refrigerator type for example.

Selon l'invention, la structure pour accélérer la vitesse de réactivité de la zéolithe dans des dispositifs de refroidissement et/ou de chauffage contenant de la zéolithe en granulés ou en billes est caractérisée en ce qu'elle est constituée d'une pièce métallique creuse dont la surface externe est façonnée selon une configuration régulière de façon à présenter une pluralité de saillies. Ainsi, le temps de réactivité est de l'ordre de la minute.According to the invention, the structure for accelerating the speed of reactivity of the zeolite in cooling and / or heating devices containing zeolite in granules or in balls is characterized in that it consists of a hollow metallic piece whose external surface is shaped in a regular configuration of so as to present a plurality of projections. Thus, the reactivity time is of the order of a minute.

De façon avantageuse, la configuration est constituée par des saillies rangées horizontalement et verticalement, dans deux plans, chacune des saillies étant séparée par un petit et un grand espaces de formes parallélépipédiques tels que la largeur de l'aire de la face supérieure et celle de l'aire de la face inférieure du petit espace, entre deux saillies, est de l'ordre de 2 mm, et leurs longueur de l'ordre de 3 mm, et que la largeur de l'aire de la face inférieure et celle de l'aire de la face supérieure du grand espace, entre deux saillies, est comprise entre 4 et 5 mm, et leurs longueurs du même ordre.Advantageously, the configuration consists of projections arranged horizontally and vertically, in two planes, each of the projections being separated by a small and a large space of parallelepipedal shapes such as the width of the area of the upper face and that of the area of the underside of the small space, between two projections, is of the order of 2 mm, and their lengths of the order of 3 mm, and that the width of the area of the underside and that of the area of the upper face of the large space, between two projections, is between 4 and 5 mm, and their lengths of the same order.

Lesdites saillies se présentent sous la forme d'un volume de forme parallélépipédique avec une hauteur comprise entre 15 et 30 mm.Said projections are in the form of a volume of parallelepiped shape with a height of between 15 and 30 mm.

De façon préférentielle, la largeur de l'aire de la face supérieure et celle de l'aire de la face inférieure dudit volume formant une saillie sont de l'ordre de 3 mm et leur longueur respective est comprise entre 4 et 5 mm.Preferably, the width of the area of the upper face and that of the area of the lower face of said volume forming a projection are of the order of 3 mm and their respective length is between 4 and 5 mm.

Selon un autre mode de réalisation de l'invention, la pièce métallique est une plaque roulée et reliée à ses deux extrémités par une soudure.According to another embodiment of the invention, the metal part is a rolled plate and connected at its two ends by a weld.

Selon un aspect important de dépôt de la zéolithe dans l'invention, les petits espaces sont obturés par des lamelles continues avant qu'on introduise la zéolithe dans les grands espaces.According to an important aspect of depositing the zeolite in the invention, the small spaces are closed off with continuous strips before the zeolite is introduced into the large spaces.

De façon préférentielle, la pièce métallique est en aluminium ou en cuivre.Preferably, the metal part is made of aluminum or copper.

Selon un autre mode de réalisation de l'invention, pour une bonne application de la zéolithe sur la structure, on introduit ladite structure dans un tube en verre autour duquel est disposé un dispositif permettant d'induire des courants dits de Foucault dans la structure métallique. Cette réalisation de l'invention est particulièrement appropriée pour être appliquée au réfrigérateur ménager du fait de sa conception technique très simple et de son faible coût de fabrication.According to another embodiment of the invention, for a good application of the zeolite on the structure, said structure is introduced into a glass tube around which is arranged a device making it possible to induce so-called eddy currents in the metal structure . This embodiment of the invention is particularly suitable for being applied to a household refrigerator because of its very simple technical design and its low manufacturing cost.

La présente invention concerne également un procédé de dépôt d'une couche de zéolithe sur les saillies de la structure décrite précédemment, caractérisé en ce qu'il comporte les étapes suivantes :

  • obturation des petits espaces par des lamelles plastiques,
  • introduction de zéolithe dans les grands espaces,
  • introduction de ladite structure dans un bain contenant une solution telle que celle utilisée dans le FR-A-2 443 485,
  • enlèvement des lamelles plastiques de la structure une fois sortie du bain, dès que le dépôt de zéolithe sur les saillies est réalisé et
  • frittage du dépôt de zéolithe sur la structure, réalisé dans un four à la température de 350°C.
The present invention also relates to a process for depositing a layer of zeolite on the projections of the structure described above, characterized in that it comprises the following steps:
  • sealing small spaces with plastic slats,
  • introduction of zeolite in large spaces,
  • introduction of said structure into a bath containing a solution such as that used in FR-A-2 443 485,
  • removal of the plastic strips from the structure once out of the bath, as soon as the zeolite is deposited on the projections and
  • sintering of the zeolite deposit on the structure, carried out in an oven at a temperature of 350 ° C.

Les autres caractéristiques et avantages de l'invention résulteront de la description suivante, en se rapportant aux dessins annexés dans lesquels :Other features and advantages of the invention Will result from the following description, referring to the accompanying drawings in which:

La figure 1 est une représentation schématique, vue de dessus, d'une partie de ladite structure.Figure 1 is a schematic representation, seen from above, of a part of said structure.

La figure 1a est une vue en coupe d'une partie de la structure selon l'axe I-I′ de la figure 1.FIG. 1a is a sectional view of part of the structure along the axis I-I ′ of FIG. 1.

La figure 1b est une vue en coupe d'une partie de la structure selon l'axe II-II′ de la figure 1.FIG. 1b is a sectional view of part of the structure along the axis II-II ′ of FIG. 1.

La figure 2 est une vue schématique en coupe selon I-I′ d'une forme d'exécution non limitative de la structure selon l'invention.Figure 2 is a schematic sectional view along I-I 'of a non-limiting embodiment of the structure according to the invention.

Selon la figure 1, la structure est constituée d'une pièce métallique 1 dans laquelle a été creusé un canal 4 et sur laquelle ont été façonnées des séries de saillies 5 disposées plus ou moins régulièrement selon un même plan longitudinal et un même plan transversal à l'axe du canal 4.According to FIG. 1, the structure consists of a metal part 1 in which a channel 4 has been dug and on which have been formed series of projections 5 arranged more or less regularly along the same longitudinal plane and the same transverse plane. the axis of channel 4.

L'adsorbant, ici de la zéolithe 6, adhère aux parois des saillies 5 adjacentes aux espaces 2. La zéolithe 6 présente un diamètre de l'ordre de 3 mm et se présente sous forme granulaire.The adsorbent, here zeolite 6, adheres to the walls of the projections 5 adjacent to the spaces 2. The zeolite 6 has a diameter of the order of 3 mm and is in granular form.

Avant introduction de la zéolithe 6 dans les volumes 2, on dispose dans les espaces 3 des lamelles plastiques non représentées sur les figures.Before introduction of the zeolite 6 into the volumes 2, there are in the spaces 3 plastic strips not shown in the figures.

Selon la figure 2, on a représenté une application de la structure. La structure est placée dans un tube de verre 7 autour duquel est disposé un inducteur de moyenne fréquence 8 par exemple. La structure est constituée en fait de deux structures simples juxtaposées comportant des saillies 5 uniquement sur un de leurs côtés et présente par conséquent une configuration telle que les deux canaux 4 sont adjacents. Par un des deux canaux 4a on introduit le liquide ou gaz chaud ou froid par l'intermédiaire de la canalisation 11, puis il est évacué, via la liaison tubulaire 9, dans le second canal 4b, et rejeté enfin à l'extérieur par la canalisation 10.According to Figure 2, there is shown an application of the structure. The structure is placed in a glass tube 7 around which is placed a medium frequency inductor 8 for example. The structure consists in fact of two simple juxtaposed structures having protrusions 5 only on one of their sides and therefore has a configuration such that the two channels 4 are adjacent. Via one of the two channels 4a, the hot or cold liquid or gas is introduced via the pipe 11, then it is evacuated, via the tubular connection 9, into the second channel 4b, and finally discharged to the outside by the pipeline 10.

La mise en oeuvre du procédé de dépôt de la zéolithe 6 est réalisée de la manière suivante :The zeolite 6 deposition process is carried out as follows:

On comble les espaces 3 par des lamelles plastiques précitées. On introduit ensuite la zéolithe 6 dans les espaces 2. Puis on place la structure dans un bain contenant une solution telle que celle utilisée dans le FR-A-2 443 485. Une fois le dépôt de zéolithe réalisé sur les faces de saillies 5, on retire la structure du bain et on ôte les lamelles de plastique. On introduit alors la structure dans un four à une température de l'ordre de 300°C pour réaliser le frittage de la zéolithe 6. On obtient alors un dépôt peu épais (0,1 à 0,5 mm) de zéolithe 6 sur deux des faces de chaque saillie 5, dépôt continu car les granulés ou grains de zéolithe sont aussi collés les uns aux autres mais pas complètement : on remarque ainsi des espaces entre deux grains ou granulés, ce qui favorise ainsi le passage du gaz ou liquide pour le refroidissement et/ou le chauffage d'une enceinte. Les espaces 2 sont aussi remplis de zéolithe (voir figures 1a et 1b). Par conséquent, lors de l'utilisation de la structure, l'absence de zéolithe 6 sur les deux autres faces des saillies 5 va favoriser l'accélération de la vitesse de réactivité de la zéolithe 6. Cette vitesse est accélérée car le dépôt de zéolithe 6 effectué uniquement sur les deux faces des saillies 5 présente une très faible épaisseur (entre 0,1 et 0,5 mm) favorisant donc les échanges et accélérant les opérations de refroidissement/chaufffage. En outre, la disposition des billes ou granulés de zéolithe (6) collés en partie seulement les uns aux autres va aussi favoriser les échanges : le liquide ou le gaz passe entre les billes ou les granulés, accélérant ainsi la vitesse de réactivité de la zéolithe 6. Lesdites saillies 5 peuvent être comparées à des puits de chaleur.The spaces 3 are filled in with the aforementioned plastic strips. The zeolite 6 is then introduced into the spaces 2. Then the structure is placed in a bath containing a solution such as that used in FR-A-2 443 485. Once the zeolite has been deposited on the faces of the projections 5, the structure of the bath is removed and the plastic strips are removed. The structure is then introduced into an oven at a temperature of the order of 300 ° C. to effect the sintering of the zeolite 6. A thin deposit (0.1 to 0.5 mm) of zeolite 6 is then obtained out of two faces of each projection 5, continuous deposition because the granules or grains of zeolite are also bonded to each other but not completely: we thus notice spaces between two grains or granules, which thus promotes the passage of gas or liquid for the cooling and / or heating of an enclosure. Spaces 2 are also filled with zeolite (see Figures 1a and 1b). Consequently, during the use of the structure, the absence of zeolite 6 on the two other faces of the projections 5 will favor the acceleration of the speed of reactivity of the zeolite 6. This speed is accelerated because the deposition of zeolite 6 carried out only on the two faces of the projections 5 has a very small thickness (between 0.1 and 0.5 mm) therefore favoring exchanges and accelerating the cooling / heating operations. In addition, the arrangement of the zeolite beads or granules (6) only partially stuck together will also promote exchanges: the liquid or the gas passes between the beads or the granules, thus accelerating the speed of reactivity of the zeolite 6. Said projections 5 can be compared to heat sinks.

Selon la figure 2, le chauffage de la structure disposée dans un tube de verre est accéléré par l'inducteur de moyenne fréquence 8, favorisant ainsi la vitesse de réactivité de la zéolithe 6.According to FIG. 2, the heating of the structure placed in a glass tube is accelerated by the medium frequency inductor 8, thus promoting the speed of reactivity of the zeolite 6.

Cette structure est particulièrement adaptée pour les dispositifs de chauffage et/ou de refroidissement du type réfrigérateur mais aussi pour la climatisation de véhicules.This structure is particularly suitable for heating and / or cooling devices of the refrigerator type but also for air conditioning of vehicles.

Claims (10)

Structure pour accélérer la vitesse de réactivité dans des dispositifs de refroidissement et/ou de chauffage, contenant de la zéolithe en granulés ou billes, caractérisée en ce qu'elle est constituée d'une pièce métallique (1) creuse dont la surface externe est façonnée selon une configuration régulière de manière à présenter une pluralité de saillies (5).Structure for accelerating the speed of reactivity in cooling and / or heating devices, containing zeolite in granules or balls, characterized in that it consists of a hollow metal part (1) whose external surface is shaped in a regular configuration so as to present a plurality of projections (5). Structure selon la revendication 1, caractérisée en ce que la configuration est constituée par des saillies (5) rangées horizontalement et verticalement, dans deux plans, chacune des saillies étant séparée par un petit (3) et un grand (2) espaces de formes parallélépipédiques tels que la largeur de l'aire de la face supérieure et celle de l'aire de la face inférieure du petit espace (3), entre deux saillies, est de l'ordre de 2 mm, et leurs longueurs de l'ordre de 3 mm, et que la largeur de l'aire de la face inférieure et celle de l'aire de la face supérieure du grand espace (2), entre deux saillies, est comprise entre 4 et 5 mm, et leurs longueurs du même ordre.Structure according to claim 1, characterized in that the configuration consists of projections (5) arranged horizontally and vertically, in two planes, each of the projections being separated by a small (3) and a large (2) spaces of parallelepipedal shapes such that the width of the area of the upper face and that of the area of the lower face of the small space (3), between two projections, is of the order of 2 mm, and their lengths of the order of 3 mm, and that the width of the area of the lower face and that of the area of the upper face of the large space (2), between two projections, is between 4 and 5 mm, and their lengths of the same order . Structure selon la revendication 1 ou 2, caractérisée en ce que les saillies (5) se présentent sous la forme d'un volume de forme parallélépipédique avec une hauteur comprise entre 15 et 30 mm.Structure according to claim 1 or 2, characterized in that the projections (5) are in the form of a volume of parallelepiped shape with a height between 15 and 30 mm. Structure selon la revendication 3, caractérisée en ce que la largeur de l'aire de la face supérieure et celle de l'aire de la face inférieure dudit volume forment une saillie (5) de l'ordre de 3 mm et en ce que leur longueur respective est comprise entre 4 et 5 mm.Structure according to claim 3, characterized in that the width of the area of the upper face and that of the area of the underside of said volume form a projection (5) of the order of 3 mm and in that their respective length is between 4 and 5 mm. Structure selon la revendication 1, caractérisée en ce que la pièce métallique (1) est une plaque roulée et reliée à ses deux extrémités par une soudure.Structure according to claim 1, characterized in that the metal part (1) is a rolled plate and connected at its two ends by a weld. Structure selon la revendication 1 ou 2, caractérisée en ce que les petits espaces (3) sont obturés par des lamelles continues avant qu'on introduise la zéolithe (6) dans les grands espaces (2).Structure according to claim 1 or 2, characterized in that the small spaces (3) are closed by continuous strips before the zeolite (6) is introduced into the large spaces (2). Structure selon l'une quelconque des revendications 1 à 6, caractérisée en ce que la pièce métallique (1) est en aluminium.Structure according to any one of Claims 1 to 6, characterized in that the metal part (1) is made of aluminum. Structure selon l'une quelconque des revendications 1 à 6, caractérisée en ce que la pièce métallique (1) est en cuivre.Structure according to any one of claims 1 to 6, characterized in that the metal part (1) is made of copper. Structure selon l'une quelconque des revendications précédentes, caractérisée en ce qu'on l'introduit dans un tube de verre (7) autour duquel est disposé un dispositif (8) permettant d'induire des courants dits de Foucault dans la structure.Structure according to any one of the preceding claims, characterized in that it is introduced into a glass tube (7) around which is arranged a device (8) making it possible to induce so-called eddy currents in the structure. Procédé de dépôt d'une couche de zéolithe sur les saillies de la structure décrite dans les revendications 1 à 10, caractérisé en ce qu'il comporte les étapes suivantes : - obturation des petits espaces (3) par des lamelles plastiques, - introduction de zéolithe (6) dans les petits espaces (2), - introduction de ladite structure dans un bain contenant une solution telle que celle utilisée dans le FR-A-2 443 485, - enlèvement des lamelles plastiques de la structure une fois sortie du bain, dès que le dépôt de zéolithe sur les saillies (5) est réalisé et - frittage du dépôt de zéolithe (6) sur la structure, réalisé dans un four à la température de 350°C. Process for depositing a layer of zeolite on the projections of the structure described in claims 1 to 10, characterized in that it comprises the following steps: - sealing of small spaces (3) with plastic strips, - introduction of zeolite (6) in small spaces (2), introduction of said structure into a bath containing a solution such as that used in FR-A-2 443 485, - removal of the plastic strips from the structure once out of the bath, as soon as the zeolite is deposited on the projections (5) and - sintering of the zeolite deposit (6) on the structure, carried out in an oven at a temperature of 350 ° C.
EP91402107A 1990-08-02 1991-07-26 Specific structure for accelerating the reactivity speed of zeolite and method for depositing zeolite on said structure Ceased EP0470886A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9009907A FR2665516A1 (en) 1990-08-02 1990-08-02 PARTICULAR STRUCTURE FOR ACCELERATING THE REACTIVITY SPEED OF THE ZEOLITE AND METHOD OF DEPOSITING THE ZEOLITE ON THE SAME.
FR9009907 1990-08-02

Publications (1)

Publication Number Publication Date
EP0470886A1 true EP0470886A1 (en) 1992-02-12

Family

ID=9399369

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91402107A Ceased EP0470886A1 (en) 1990-08-02 1991-07-26 Specific structure for accelerating the reactivity speed of zeolite and method for depositing zeolite on said structure

Country Status (3)

Country Link
EP (1) EP0470886A1 (en)
JP (1) JPH05133659A (en)
FR (1) FR2665516A1 (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1994011685A1 (en) * 1992-08-14 1994-05-26 Rocky Research Improved method and apparatus for achieving high reaction rates
EP0669161A2 (en) * 1994-02-23 1995-08-30 ZEO-TECH Zeolith Technologie GmbH Coating of adsorption agent on metals and its process of fabrication
US5598721A (en) 1989-03-08 1997-02-04 Rocky Research Heating and air conditioning systems incorporating solid-vapor sorption reactors capable of high reaction rates
US5628205A (en) * 1989-03-08 1997-05-13 Rocky Research Refrigerators/freezers incorporating solid-vapor sorption reactors capable of high reaction rates
US5666819A (en) * 1989-03-08 1997-09-16 Rocky Research Rapid sorption cooling or freezing appliance
AT410716B (en) * 2001-02-23 2003-07-25 Vaillant Gmbh ADSORBER / DESORBER FOR A ZEOLITH HEATER
WO2012085716A1 (en) * 2010-12-22 2012-06-28 International Business Machines Corporation Solid sorption refrigeration
WO2015104719A3 (en) * 2014-01-10 2015-09-17 Bry Air (Asia) Pvt. Ltd. Hybrid adsorber heat exchanging device and method of manufacture

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9613211D0 (en) * 1996-06-24 1996-08-28 Johnson Matthey Plc Improvements in heat transfer materials

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1622522A (en) * 1923-11-06 1927-03-29 Nat Refrigerating Company Refrigeration
US1814358A (en) * 1928-03-01 1931-07-14 Wright Leonard Kay Refrigeration apparatus
GB379391A (en) * 1930-05-31 1932-09-01 Electrolux Ltd Improvements in or relating to the operation of absorption refrigerating apparatus
FR754099A (en) * 1932-04-11 1933-10-30
FR804937A (en) * 1935-06-13 1936-11-05 Absorber-boiler usable in particular for refrigerating machines with dry absorption and periodic operation
FR835049A (en) * 1937-03-11 1938-12-09 Siemens Ag Absorber-cooker for periodic absorption devices
FR2443485A1 (en) * 1978-12-06 1980-07-04 Rhone Poulenc Ind Deposit of adsorbent layer e.g. of zeolite or alumina on support - giving prod. used for recovery of solar energy
EP0131270A1 (en) * 1983-07-08 1985-01-16 Schiedel GmbH &amp; Co. Absorber using a solid for an absorption cycle
FR2593588A1 (en) * 1986-01-28 1987-07-31 Nishiyodo Air Conditioner REFRIGERATED MACHINE WITH ADSORPTION
FR2604100A1 (en) * 1986-09-18 1988-03-25 Simonny Roger Enclosure device for adsorbers or vacuum evaporators

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1622522A (en) * 1923-11-06 1927-03-29 Nat Refrigerating Company Refrigeration
US1814358A (en) * 1928-03-01 1931-07-14 Wright Leonard Kay Refrigeration apparatus
GB379391A (en) * 1930-05-31 1932-09-01 Electrolux Ltd Improvements in or relating to the operation of absorption refrigerating apparatus
FR754099A (en) * 1932-04-11 1933-10-30
FR804937A (en) * 1935-06-13 1936-11-05 Absorber-boiler usable in particular for refrigerating machines with dry absorption and periodic operation
FR835049A (en) * 1937-03-11 1938-12-09 Siemens Ag Absorber-cooker for periodic absorption devices
FR2443485A1 (en) * 1978-12-06 1980-07-04 Rhone Poulenc Ind Deposit of adsorbent layer e.g. of zeolite or alumina on support - giving prod. used for recovery of solar energy
EP0131270A1 (en) * 1983-07-08 1985-01-16 Schiedel GmbH &amp; Co. Absorber using a solid for an absorption cycle
FR2593588A1 (en) * 1986-01-28 1987-07-31 Nishiyodo Air Conditioner REFRIGERATED MACHINE WITH ADSORPTION
FR2604100A1 (en) * 1986-09-18 1988-03-25 Simonny Roger Enclosure device for adsorbers or vacuum evaporators

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5441716A (en) * 1989-03-08 1995-08-15 Rocky Research Method and apparatus for achieving high reaction rates
US5598721A (en) 1989-03-08 1997-02-04 Rocky Research Heating and air conditioning systems incorporating solid-vapor sorption reactors capable of high reaction rates
US5628205A (en) * 1989-03-08 1997-05-13 Rocky Research Refrigerators/freezers incorporating solid-vapor sorption reactors capable of high reaction rates
US5666819A (en) * 1989-03-08 1997-09-16 Rocky Research Rapid sorption cooling or freezing appliance
WO1994011685A1 (en) * 1992-08-14 1994-05-26 Rocky Research Improved method and apparatus for achieving high reaction rates
EP0669161A2 (en) * 1994-02-23 1995-08-30 ZEO-TECH Zeolith Technologie GmbH Coating of adsorption agent on metals and its process of fabrication
EP0669161A3 (en) * 1994-02-23 1995-09-20 Zeolith Tech
AT410716B (en) * 2001-02-23 2003-07-25 Vaillant Gmbh ADSORBER / DESORBER FOR A ZEOLITH HEATER
WO2012085716A1 (en) * 2010-12-22 2012-06-28 International Business Machines Corporation Solid sorption refrigeration
CN103270378A (en) * 2010-12-22 2013-08-28 国际商业机器公司 Solid sorption refrigeration
GB2499938A (en) * 2010-12-22 2013-09-04 Ibm Solid sorption refrigeration
GB2499938B (en) * 2010-12-22 2015-07-22 Ibm Solid sorption refrigeration
CN103270378B (en) * 2010-12-22 2016-01-27 国际商业机器公司 Solid adsorption refrigeration
US9855595B2 (en) 2010-12-22 2018-01-02 International Business Machines Corporation Solid sorption refrigeration
US10688553B2 (en) 2010-12-22 2020-06-23 International Business Machines Corporation Solid sorption refrigeration
WO2015104719A3 (en) * 2014-01-10 2015-09-17 Bry Air (Asia) Pvt. Ltd. Hybrid adsorber heat exchanging device and method of manufacture
AU2015205332B2 (en) * 2014-01-10 2018-08-23 Bry Air (Asia) Pvt. Ltd. Hybrid adsorber heat exchanging device and method of manufacture
US11859877B2 (en) 2014-01-10 2024-01-02 Bry-Air [Asia] Pvt. Ltd. Hybrid adsorber heat exchanging device and method of manufacture

Also Published As

Publication number Publication date
FR2665516A1 (en) 1992-02-07
JPH05133659A (en) 1993-05-28

Similar Documents

Publication Publication Date Title
EP0470886A1 (en) Specific structure for accelerating the reactivity speed of zeolite and method for depositing zeolite on said structure
EP0514248B1 (en) Heat-exchanger having a tubular header with transverse partitions and method for its manufacture
FR2962204A1 (en) HEAT EXCHANGER TUBE, HEAT EXCHANGER HAVING SUCH TUBES AND METHOD OF OBTAINING SUCH TUBE.
WO1993013377A1 (en) Heat exchanger of the welded plate type and method for fabricating modules of plates for such exchangers
FR2754595A1 (en) HEAT EXCHANGER, AND HEAT EXCHANGE BEAM, AND RELATED WELDING AND PROCESSES
FR2809484A1 (en) HEAT EXCHANGER BLOCK
FR2636415A1 (en) HIGH EFFICIENCY HEAT TRANSFER TUBE FOR HEAT EXCHANGER
WO2005075920A2 (en) Fin for heat exchanger and heat exchanger equipped with such fins
FR2838509A1 (en) PLATE HEAT EXCHANGER HAVING SURFACE FLUID PASSAGES
EP2411117B1 (en) Device for purifying a fluid charged with particles by thermophoretic forces
WO2003046456A1 (en) Tube profiles for heat exchanger
FR2789920A1 (en) Method for brazing the tubes and collector plate of a heat exchanger for use with exhaust gases, notably for vehicles
FR2793009A1 (en) FLEXIBLE TUBE HEAT EXCHANGER, PARTICULARLY FOR MOTOR VEHICLES
EP0404677A1 (en) Apparatus for tempering glass-sheets by contact
WO2008025615A1 (en) Method for manufacturing a heat exchanger tube
EP0522981A1 (en) Monobloc accumulator battery
WO1997001073A9 (en) Method for mounting transverse partitions in the tubular fluid box of a heat exchanger
FR2666875A1 (en) Refrigeration machine with adsorption/desorption on zeolite using exchangers made of profiled aluminium sections
EP0776455A1 (en) Method for mounting transverse partitions in the tubular fluid box of a heat exchanger
WO2019229355A1 (en) Device for cooling batteries and corresponding production method
FR2459436A1 (en) Water box for cooling side wall of arc melting furnace - where boxes contain horizontal welded baffles compelling water to follow labyrinthine path
FR2702270A1 (en) Refrigerating element, especially for mobile containers
FR2492081A1 (en) HEAT TRANSMITTERS FOR REGENERATION HEAT EXCHANGE
FR2682747A1 (en) Heat exchanger promoting thermal transfer by convection
EP0728508A1 (en) Crystallizer

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): BE CH DE DK ES GB GR IT LI NL SE

RBV Designated contracting states (corrected)

Designated state(s): BE CH DE DK ES GB LI

17P Request for examination filed

Effective date: 19920720

17Q First examination report despatched

Effective date: 19930209

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: BLAIZAT, CLAUDE

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION HAS BEEN REFUSED

18R Application refused

Effective date: 19940828