EP3596418B1 - Échangeur de chaleur à plaques - Google Patents

Échangeur de chaleur à plaques Download PDF

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Publication number
EP3596418B1
EP3596418B1 EP18711474.9A EP18711474A EP3596418B1 EP 3596418 B1 EP3596418 B1 EP 3596418B1 EP 18711474 A EP18711474 A EP 18711474A EP 3596418 B1 EP3596418 B1 EP 3596418B1
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EP
European Patent Office
Prior art keywords
heat exchanger
outer edge
fluid
plate
edge portion
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EP18711474.9A
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German (de)
English (en)
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EP3596418A1 (fr
Inventor
Kai Klingenburg
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Klingenburg GmbH
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Klingenburg GmbH
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Publication of EP3596418A1 publication Critical patent/EP3596418A1/fr
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D9/00—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D9/0031—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by paired plates touching each other
    • F28D9/0037—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by paired plates touching each other the conduits for the other heat-exchange medium also being formed by paired plates touching each other
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F3/00—Plate-like or laminated elements; Assemblies of plate-like or laminated elements
    • F28F3/02—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations
    • F28F3/04—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element
    • F28F3/042—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element in the form of local deformations of the element
    • F28F3/044—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element in the form of local deformations of the element the deformations being pontual, e.g. dimples
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2230/00—Sealing means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2265/00—Safety or protection arrangements; Arrangements for preventing malfunction
    • F28F2265/16—Safety or protection arrangements; Arrangements for preventing malfunction for preventing leakage

Definitions

  • the invention relates to a plate heat exchanger according to the preamble of the first claim.
  • a heat exchanger is off WO2011 / 111732A1 known.
  • the invention is based on the object of developing the generic plate heat exchanger in such a way that with a given installation space for the plate heat exchanger, the exchange of thermal energy between the two fluid flows flowing through the plate heat exchanger can be realized with a higher degree of efficiency.
  • the plate heat exchanger according to the invention is expediently designed without a housing, so that no installation space is required for any housing measures.
  • foil sheets on the outer edges of the heat exchange plates are attached.
  • the plate heat exchanger is sealed between the entry areas and the exit areas by means of such foil sheets, which can be 140 to 300 ⁇ m thick.
  • the foil sheets are advantageously welded to the outer edges of the heat exchange plates in the named outer edge regions of the heat exchange plates.
  • the matrix of the plate heat exchanger formed from the heat exchange plates can advantageously be designed to be self-supporting.
  • the unit from the matrix formed from the heat exchange plates and the foil sheets can be designed to be self-supporting.
  • the heat exchange plates and possibly the foil sheets are made from the same material, preferably from a thermoplastic material. This material design of the heat exchange plates and possibly the foil sheets also facilitates the sealing welded joint to be realized between the heat exchange plates or between the heat exchange plates and the foil sheets.
  • the heat exchange plates and optionally the foil sheets can advantageously be made of polyester.
  • the plate heat exchanger In order to design the plate heat exchanger according to the invention with a flat upper and / or lower surface, it is advantageous if the plate heat exchanger has an upper and / or a lower flat end plate.
  • the end plate can advantageously be designed as a cavity plate, preferably as a double-walled plate.
  • Each end plate is expediently made from the same material as the heat exchange plates of the plate heat exchanger.
  • the plate heat exchanger according to the invention can be designed as a counterflow heat exchanger or as a crossflow heat exchanger.
  • the advantages associated with the design of the plate heat exchanger according to the invention arise both for its design as a counterflow heat exchanger and for its design as a crossflow heat exchanger.
  • the heat exchange plates and possibly the foil sheets are made of flame-retardant plastic.
  • the risk mentioned can be further minimized or eliminated if the heat exchange plates and possibly the foil sheets are made from non-flammable plastic.
  • the heat exchange plates and possibly the foil sheets are made of aluminum.
  • the foil sheets can expediently be folded with the outer edges of the heat exchange plates.
  • the heat exchange plates have projections offset from one another on their associated outer edge sections, by means of which the heat exchange plates are formed interlocking at their associated outer edge sections, the heat exchange plates of the plate heat exchanger can be reliably positioned when they are stacked in the direction of the planes of the heat exchange plates.
  • the projections on the mutually associated outer edge sections of the heat exchange plates have a U-shaped cross-section in the longitudinal direction of the outer casing sections, the projections perpendicular to the heat exchange plate plane having a larger dimension than the corrugations formed in the heat exchange plates.
  • the distance between adjacent heat exchange plates is adjusted by means of the corrugations usually formed in the heat exchange plates.
  • the heat exchange plate arranged as the lower end plate of the plate heat exchanger and / or the heat exchange plate arranged as the upper end plate of the plate heat exchanger are provided with a foam insert. This results in a stiffening of the end plates of the plate heat exchanger and, in addition, a flat upper and lower outer surface.
  • the plate heat exchanger according to the invention is highly recyclable.
  • the plate heat exchanger is formed by means of heat exchange plates made of aluminum, the heat exchange plates are provided with collars apart from their outer edge sections forming their entry and exit areas and are welded or folded together at their outer edge sections provided with collars. This also allows the plate heat exchanger according to the invention to be produced with a high degree of tightness.
  • the heat exchange plates are stacked on top of one another, outer edge sections or collars to be connected tightly to one another are brought into contact with one another and the outer edge sections or collars to be connected are welded to one another. This welding of the outer edge sections or collars to be connected to one another advantageously takes place in a single work step.
  • the first embodiment of a plate heat exchanger 1 according to the invention shown in a perspective view, has a package of similar heat exchange plates 2 arranged one above the other, which form separate flow channels 3 for a first fluid between them.
  • the flow channels 3 for the first fluid connect an inlet area 4 of the first fluid to an outlet area 5 of the first fluid.
  • the heat exchange plates 2 form flow channels 6 for a second fluid.
  • the flow channels 6 for the second fluid connect an inlet area 7 of the second fluid to an outlet area 8 of the second fluid.
  • the in Figure 1 The plate heat exchanger 1 shown is designed as a countercurrent heat exchanger 1.
  • the entry area 4 of the first fluid into the countercurrent heat exchanger 1 is on the in Figure 1 arranged on the left side of the countercurrent heat exchanger, whereas the outlet area 5 of the first fluid on the in Figure 1 right side of the counterflow heat exchanger 1 is arranged.
  • the inlet region 7 of the second fluid flow is correspondingly on the in Figure 1 right side of the counterflow heat exchanger 1 and the outlet area 8 of the second fluid on the in Figure 1 arranged on the left side of the counterflow heat exchanger 1.
  • the dimensions of the heat exchange plates 2 of the in Figure 1 can be selected in terms of their dimensions so that they correspond exactly or almost exactly to the installation space available for the counterflow heat exchanger 1.
  • a housing by means of which the counterflow heat exchanger 1 would be enclosed is in the case of the in Figure 1 counterflow heat exchanger 1 shown is not provided. Accordingly, no installation space is required for a housing.
  • the heat exchange plates 2 of the counterflow heat exchanger 1 are formed from the same material, preferably from a thermoplastic material, e.g. from polyester.
  • the heat exchange plates 2 of the countercurrent heat exchanger 1 are according to a first embodiment at the corner areas of the heat exchange plates 2, which are arranged between the inlet area 4 of the first fluid and the outlet area 8 of the second fluid as well as the outlet area 5 of the first fluid and the inlet area 7 of the second fluid.
  • the heat exchange plates are for this purpose 2 are provided with collars arranged approximately perpendicular to the plate plane of the heat exchange plates 2 at their sections of their outer edges 11 corresponding to the corner areas 9, 10, whereby by means of these collars adjacent heat exchange plates 2 are sealingly connected to one another at the mentioned corner areas 9, 10. Since the heat exchange plates 2 all consist of the same material, welding can preferably be used as the type of connection.
  • the heat exchange plates 2 of the counterflow heat exchanger 1 form a self-supporting matrix.
  • the heat exchange plates 2 are also with corresponding collar projecting approximately in the vertical direction from the main plane of the heat exchange plates 2.
  • the outer edges of the heat exchange plates 2 arranged there are connected to one another in a sealing manner by means of the aforementioned collars, with welding being an appropriate type of connection for the reasons already given.
  • the lower and the upper heat exchange plate can each be designed as a lower or upper end plate.
  • the end plates are also made of the same material as the heat exchange plates 2, wherein both the lower end plate and the upper end plate can be designed as a cavity plate, in particular as a double-walled plate.
  • the film sheet 14 shown in principle is connected in a sealing manner to the outer edge sections of the heat exchange plates 2 assigned to the corner regions 9, 10.
  • the two foil sheets 14 are also made of the same material as the heat exchange plates and are correspondingly welded to the named outer edge regions of the heat exchange plates 2 assigned to the corner regions 9, 10. Any collars or the like protruding perpendicularly from the main plane of the heat exchange plate 2. are not required in this embodiment.
  • the embodiment shown of the plate heat exchanger 1 is designed as a cross-flow heat exchanger 1. It differs from the one above on the basis of Figure 1
  • the counterflow heat exchanger 1 described above by the design of the heat exchange plates 2.
  • the flow channels 3 and 6 are formed between the heat exchange plates 2, the direction of flow of the first fluid through the inlet area 4 to the outlet area 5 being approximately perpendicular to the flow direction of the second fluid from the inlet area 7 to the outlet area 8 .
  • FIG. 2 The cross-flow heat exchanger shown has four corner areas 16, 17, 18, 19, in which the sections of the outer edges 11 of the heat exchange plates 2 assigned to these corner areas 16, 17, 18, 19 are sealingly connected to one another.
  • the sealing connection in the corner areas 16, 17, 18, 19 can be achieved by means of collars protruding approximately in the vertical direction from the main plane of the heat exchange plates 2.
  • connection between the sections of the outer edges 11 of the heat exchange plates assigned to the corner regions 16, 17, 18, 19 2 takes place by welding the relevant outer edge sections or through the foil sheets 20, which are also welded to these outer edge sections for the sealing connection with the relevant outer edge sections of the heat exchange plates.
  • Each first heat exchange plate 2a has a collar-free outer edge section 21 forming the inlet area 4 of the first fluid, a collar-free outer edge section 22 forming the outlet area 5 of the first fluid, an outer edge section 23 assigned to the inlet area 7 of the second fluid and provided with a collar 37, one to the outlet area 8 of the outer edge section 24 associated with the second fluid and provided with a collar 38, and between the collar-free outer edge section 21 forming the inlet area 4 of the first fluid on the one hand and the outer edge section 23 associated with the inlet area 7 of the second fluid on the other hand, between the outer edge section 23 associated with the inlet area of the second fluid on the one hand and the collar-free outer edge section 22 forming the outlet area 5 of the first fluid, on the other hand, between the collar-free outer edge section 22 forming the outlet area 5 of the first fluid itt 22 on the one hand and the outer edge section 24 assigned to the outlet area 8 of the first fluid, on the other hand, and between the outer edge section 24 assigned to the outlet area 8 of the second
  • Each second heat exchange plate 2b has a collar-free outer edge section 29 forming the inlet area 7 of the second fluid, a collar-free outer edge section 30 forming the outlet area of the second fluid, an outer edge section 31 assigned to the inlet area 4 of the first fluid and provided with a collar 39, one to the outlet area 5 of the first Fluids associated with a collar 40 provided outer edge section 32, and between the collar-free outer edge section forming the inlet area 7 of the second fluid on the one hand and the outer edge section 31 assigned to the inlet area 4 of the first fluid on the other hand, between the outer edge section 31 assigned to the inlet area 4 of the first fluid on the one hand and the on the other hand, the collar-free outer edge section 30 forming the outlet area 8 of the second fluid, between the collar-free outer edge section 30 forming the outlet area 8 of the second fluid tt 30 on the one hand and the outer edge section 32 assigned to the outlet area 5 of the first fluid on the other hand, and between the outer edge section 32 assigned to the outlet area 5 of the first fluid on
  • the mutually associated outer edge sections 25, 33; arranged between the entry areas 4, 5 and the exit areas 7, 8; 26, 36; 27, 35; 28, 34 of adjacent first and second heat exchange plates 2a, 2b are connected to one another in a fluid-tight manner.
  • Each first heat exchange plate 2a is connected at its collar 37, 38 in a fluid-tight manner to the associated outer edge sections 29, 30 of the second heat exchange plate 2b adjacent on the collar side.
  • Each second heat exchange plate 2b is fluid-tight at its collar 39, 40 with the associated one. Outer edge portions 21, 22 of the collar side adjacent first heat exchange plate 2a connected.
  • the heat exchange plates 2a, 2b have on their mutually associated outer edge sections 25, 33; 26, 36; 27, 35; 28, 34 have projections 41, 42 offset from one another, by means of which the heat exchange plates 2a, 2b on their outer edge sections 25, 33; 26, 36; 27, 35; 28, 34 are formed interlocking.
  • the projections 41, 42 on the outer edge sections 25, 33; 26, 36; 27, 35; 28, 34 of the heat exchange plates 2a, 2b have in the longitudinal direction of the outer edge sections 25, 33; 26, 36; 27, 35; 28, 34 have a U-shaped cross-section, the projections 41, 42 having a larger dimension perpendicular to the heat exchange plate plane than corrugations 43, 44 formed in the heat exchange plates 2a, 2b.
  • the heat exchange plates 2a, 2b and the foam inserts are made of the same material, for example PET (polyethylene terephthalate).
  • the heat exchange plates 2a, 2b are welded to one another except at their inlet and outlet areas 4, 5, 7, 8 forming outer edge sections.
  • heat exchange plates are alternatively made of aluminum, they are provided with collars except at their entry and exit areas 4, 5, 7, 8 forming outer edge sections and are welded or folded together at their collared outer edge sections.
  • the heat exchange plates 2a, 2b are stacked on top of one another, outer edge sections or collars to be connected tightly are brought into contact with one another and the outer edge sections or collars to be connected are welded together in a single work step.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)

Claims (15)

  1. Echangeur de chaleur à plaques avec des premières et deuxièmes plaques d'échange de chaleur (2a, 2b) disposées l'une sur l'autre ou l'une à côté de l'autre, qui constituent des conduits d'écoulement (3, 6) séparés les uns des autres pour un premier fluide gazeux et pour un deuxième fluide gazeux et à travers lesquels peut être échangée de l'énergie thermique entre les deux fluides, sachant que les dimensions des plaques d'échange de chaleur (2a, 2b) peuvent être structurées correspondant presque ou exactement aux dimensions de l'espace de construction prévu au total pour l'échangeur de chaleur à plaques (1), sachant que les conduits d'écoulement (3) pour le premier fluide et les conduits d'écoulement (6) pour le deuxième fluide sont constitués en alternance entre les premières et deuxièmes plaques d'échange de chaleur (2a, 2b) disposées en succession de l'échangeur de chaleur à plaques (1) constitué comme échangeur de chaleur à courant croisé ou à contrecourant, sachant que chaque première plaque d'échange de chaleur (2a) comporte une section de bord extérieur (21) sans collerette constituant la zone d'entrée (4) du premier fluide, une section de bord extérieur (22) sans collerette constituant la zone de sortie (5) du premier fluide, une section de bord extérieur (23) dotée d'une collerette (37) attribuée à la zone d'entrée (7) du deuxième fluide, une section de bord extérieur (24) dotée d'une collerette (38) attribuée à la zone de sortie (8) du deuxième fluide et des sections de bord extérieur (25, 26, 27, 28) entre la section de bord extérieur (21) sans collerette constituant la zone d'entrée (4) du premier fluide d'une part et la section de bord extérieur (23) attribuée à la zone d'entrée (7) du deuxième fluide d'autre part, entre la section de bord extérieur (23) attribuée à la zone d'entrée (7) du deuxième fluide d'une part et la section de bord extérieur (22) sans collerette constituant la zone de sortie (5) du premier fluide d'autre part, entre la section de bord extérieur (22) sans collerette constituant la zone de sortie (5) du premier fluide d'une part et la section de bord extérieur (24) attribuée à la zone de sortie (18) du deuxième fluide d'autre part et entre la section de bord extérieur (24) attribuée à la zone de sortie (8) du deuxième fluide d'une part, et la section de bord extérieur (21) sans collerette constituant la zone d'entrée (4) du premier fluide d'autre part, sachant que chaque deuxième plaque d'échange de chaleur (2b) comporte une section de bord extérieur (29) sans collerette constituant la zone d'entrée (7) du deuxième fluide, une section de bord extérieur (30) sans collerette constituant la zone de sortie (8) du deuxième fluide, une section de bord extérieur (31) dotée d'une collerette (39) attribuée à la zone d'entrée (4) du premier fluide, une section de bord extérieur (32) dotée d'une collerette (40) attribuée à la zone de sortie (5) du premier fluide, et des sections de bord extérieur (33, 34, 35, 36) entre la section de bord extérieur (29) sans collerette constituant la zone d'entrée (7) du deuxième fluide d'une part, et la section de bord extérieur (31) attribuée à la zone d'entrée (4) du premier fluide d'autre part, entre la section de bord extérieur (31) attribuée à la zone d'entrée (4) du premier fluide d'une part et la section de bord extérieur (30) sans collerette constituant la zone de sortie (8) du deuxième fluide d'autre part, entre la section de bord extérieur (30) sans collerette constituant la zone de sortie (8) du deuxième fluide d'une part, et la section de bord extérieur (32) attribuée à la zone de sortie (5) du premier fluide d'autre part, et entre la section de bord extérieur (32) attribuée à la zone de sortie (5) du premier fluide d'une part, et la section de bord extérieur (29) sans collerette constituant la zone d'entrée (7) du deuxième fluide d'autre part, sachant que les sections de bord extérieur (25, 33 ;26, 36 ; 27, 35 ; 28, 34) attribuées les unes autres, disposées entre les zones d'entrée (4, 5) et de sortie (7, 8) des premières et deuxièmes plaques d'échange de chaleur voisines (2a, 2b) sont reliées entre elles étanches au fluide, sachant que chaque première plaque d'échange de chaleur (2a) est reliée sur sa collerette (37, 38) étanche au fluide à la section de bord extérieur (29, 30) attribuée de la deuxième plaque d'échange de chaleur (2b) voisine côté collerette et sachant que chaque deuxième plaque d'échange de chaleur (2b) est reliée sur sa collerette (39, 40) étanche au fluide aux sections de bord extérieur (21, 22) attribuées de la première plaque d'échange de chaleur (2a) voisine côté collerette, caractérisé en ce que les plaques d'échange de chaleur (2a, 2b) comportent sur leurs sections de bord extérieur (25, 33 ; 26, 36 ; 27, 35 ; 28, 34) attribuées l'une à l'autre, des saillies (41, 42) décalées l'une par rapport à l'autre au moyen desquelles les plaques d'échange de chaleur (2a, 2b) sont constituées en prise l'une dans l'autre sur leurs sections de bord extérieur attribuées l'une à l'autre (25, 33 ; 26, 36 ; 27, 35 ; 28, 34) et en ce que les plaques d'échange de chaleur (2a, 2b) sont soudées entre elles à l'extérieur sur leurs sections de bord extérieur constituant les zones d'entrée ou de sortie (4, 5, 7, 8) .
  2. Echangeur de chaleur à plaques selon la revendication 1, qui est constitué sans enceinte.
  3. Echangeur de chaleur à plaques selon la revendication 1 ou 2, dont la matrice formée à partir des plaques d'échange de chaleur (2a, 2b) est constituée autoportante.
  4. Echangeur de chaleur à plaques selon l'une quelconque des revendications 1 à 3, pour lequel les plaques d'échange de chaleur (2a, 2b) sont constituées de la même matière, de préférence d'une matière thermoplastique, comme le polyester.
  5. Echangeur de chaleur à plaques selon l'une quelconque des revendications 1 à 4, qui comporte une plaque de fermeture plane supérieure et/ou une plaque de fermeture inférieure.
  6. Echangeur de chaleur à plaques selon la revendication 5, pour lequel chaque plaque de fermeture est constituée comme plaque à espace creux, de préférence comme plaque à double nervure.
  7. Echangeur de chaleur à plaques selon la revendication 5 ou 6, pour lequel chaque plaque de fermeture est constituée de la même matière que les plaques d'échange de chaleur (2a, 2b).
  8. Echangeur de chaleur à plaques selon l'une quelconque des revendications 4 à 7, pour lequel les plaques d'échange de chaleur sont constituées d'une matière plastique difficilement inflammable.
  9. Echangeur de chaleur à plaques selon l'une quelconque des revendications 4 à 8, pour lequel les plaques d'échange de chaleur (2a, 2b) sont constituées d'une matière plastique non combustible.
  10. Echangeur de chaleur à plaques selon l'une quelconque des revendications 1 à 3, pour lequel les plaques d'échange de chaleur (2a, 2b) sont formées d'aluminium.
  11. Echangeur de chaleur à plaques selon l'une quelconque des revendications 1 à 10, pour lequel les saillies (41, 42) comportent une section transversale en forme de U sur les sections de bord extérieur (25, 33 ; 26, 36 ; 27, 35 ; 28, 34) attribuées l'une à l'autre des plaques d'échange de chaleur (2a, 2b) en direction longitudinale des sections de bord extérieur (25, 33 ; 26, 36 ; 27, 35 ; 28, 34), sachant que les saillies (41, 42) comportent perpendiculairement au plan de plaque d'échange de chaleur une dimension plus grande que les ondulations (43, 44) constituées dans les plaques d'échange de chaleur (2a, 2b).
  12. Echangeur de chaleur à plaques selon l'une quelconque des revendications 1 à 11, pour lequel la plaque d'échange de chaleur (2a, 2b) disposée en tant que plaque de fermeture inférieure de l'échangeur de chaleur à plaques (1) et/ou la plaque d'échange de chaleur (2a, 2b) disposée en tant que plaque de fermeture supérieure de l'échangeur de chaleur à plaques (1) sont munies d'un élément d'insertion en mousse.
  13. Echangeur de chaleur à plaques selon l'une quelconque des revendications 1 à 12, pour lequel les plaques d'échange de chaleur (2a, 2b) et le cas échéant les éléments d'insertion en mousse sont constitués de la même matière, par ex. : en PET (polyéthylène téréphtalate).
  14. Procédé de fabrication d'échangeurs de chaleur à plaques (1) selon l'une quelconque des revendications 1 à 13, pour lequel les plaques d'échange de chaleur (2a, 2b) sont empilées l'une sur l'autre, sont placées ensemble en appui l'une contre l'autre hermétiquement aux sections de bord extérieur ou collerettes à joindre et les sections de bord extérieur ou collerettes à joindre ensemble sont soudées ensemble.
  15. Procédé selon la revendication 14, pour lequel les sections de bord extérieur ou collerettes à joindre entre elles sont soudées ensemble dans une étape de travail unique.
EP18711474.9A 2017-03-15 2018-02-23 Échangeur de chaleur à plaques Active EP3596418B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102017002500.2A DE102017002500A1 (de) 2017-03-15 2017-03-15 "Plattenwärmetauscher"
PCT/EP2018/000072 WO2018166648A1 (fr) 2017-03-15 2018-02-23 Échangeur de chaleur à plaques

Publications (2)

Publication Number Publication Date
EP3596418A1 EP3596418A1 (fr) 2020-01-22
EP3596418B1 true EP3596418B1 (fr) 2021-01-20

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EP18711474.9A Active EP3596418B1 (fr) 2017-03-15 2018-02-23 Échangeur de chaleur à plaques

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EP (1) EP3596418B1 (fr)
DE (1) DE102017002500A1 (fr)
WO (1) WO2018166648A1 (fr)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111661888B (zh) * 2020-06-15 2022-07-05 方诺传热系统(江苏)有限公司 一种基于蒸发空冷技术的降膜式空冷器及废水处理流程
CA3189009A1 (fr) * 2020-08-21 2022-02-24 Mitsubishi Electric Corporation Element d'echange de chaleur et dispositif de ventilation a echange de chaleur

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DE4142177C2 (de) * 1991-12-20 1994-04-28 Balcke Duerr Ag Plattenwärmetauscher
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