EP3414508B1 - Cross-flow plate heat and/or moisture exchanger - Google Patents

Cross-flow plate heat and/or moisture exchanger Download PDF

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Publication number
EP3414508B1
EP3414508B1 EP16707626.4A EP16707626A EP3414508B1 EP 3414508 B1 EP3414508 B1 EP 3414508B1 EP 16707626 A EP16707626 A EP 16707626A EP 3414508 B1 EP3414508 B1 EP 3414508B1
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EP
European Patent Office
Prior art keywords
flow
cross
plates
moisture exchanger
plate heat
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EP16707626.4A
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German (de)
French (fr)
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EP3414508A1 (en
Inventor
Kai Klingenburg
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Klingenburg International Sp zoo
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Klingenburg International Sp zoo
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    • 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
    • F28D9/0062—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 spaced plates with inserted elements
    • F28D9/0068—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 spaced plates with inserted elements with means for changing flow direction of one heat exchange medium, e.g. using deflecting zones
    • 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
    • F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
    • F28D21/0001—Recuperative heat exchangers
    • F28D21/0014—Recuperative heat exchangers the heat being recuperated from waste air or from vapors
    • 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
    • F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
    • F28D21/0015—Heat and mass exchangers, e.g. with permeable walls
    • 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
    • F28D9/0043—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 plates having openings therein for circulation of at least one heat-exchange medium from one conduit to another
    • F28D9/005—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 plates having openings therein for circulation of at least one heat-exchange medium from one conduit to another the plates having openings therein for both heat-exchange media
    • 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
    • F28D9/02—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 heat-exchange media travelling at an angle to one another
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2250/00—Arrangements for modifying the flow of the heat exchange media, e.g. flow guiding means; Particular flow patterns
    • F28F2250/10—Particular pattern of flow of the heat exchange media
    • F28F2250/108—Particular pattern of flow of the heat exchange media with combined cross flow and parallel flow

Definitions

  • the invention relates to a cross-flow plate heat and / or moisture exchanger whose plates are arranged above, below or next to each other and form flow passages alternately for a first and a second fluid.
  • the present invention seeks to provide an improved cross-flow plate heat and / or moisture exchanger available, on the one hand has a better transmission performance in the transmission of heat and / or moisture between the two fluids and the In addition, compared to differential pressures between the two fluid streams is more pressure stable.
  • the first cross-flow area of each plate causes a uniform distribution of the respective fluid flow to the counterflow region of each plate. Due to the different design of the adjacent plates, these can very well be supported against each other, yet in the region of the respective countercurrent areas an approximately parallel course of the respective flow channels is made possible.
  • the counterflow passages of the counterflow region of each plate to the counterflow passages of the counterflow region of each adjacent Plate slightly, preferably by 5 degrees to 25 degrees, inclined.
  • turbulence can be caused in the flows of the two fluids, which can contribute to an improvement in the transfer ratios of heat and / or moisture through the plates between the two fluids.
  • the plates are rectangular or square.
  • the counterflow regions of each plate are approximately oval or elliptical and extend between two opposite corners of the plate.
  • the general flow direction A, B of the two fluids separated by the plates is selected by the cross-flow plate heat and / or moisture exchanger so that the two fluids flow through the counterflow regions of the cross-flow plate heat exchanger. and / or -feuchte tools in the opposite direction, ie about anti-parallel, flow through.
  • each membrane plate has a membrane layer and a carrier layer. Enthalpy can be transferred between the two fluids by means of the membrane layer.
  • the at least one carrier layer is designed openwork. By means of this openwork carrier layer The membrane plate are given a predetermined mechanical strength and a spatial structure, with both the mechanical strength and the spatial structure can be maintained over time.
  • the membrane layer of the plates is expediently formed from a suitable plastic material, preferably a polyurethane or a polymer material.
  • the carrier layer of the plates is expediently made of a suitable nonwoven material, preferably of a polyester material.
  • FIG. 3 shown in a schematic representation according to the invention funnelstromplatten administrat- and / or -feuchtetooler 1 consists of a plate package, which is composed of plates 2, 3 different design or configuration.
  • the plates 2 and the plates 3 are arranged alternately, that is, on a plate 2 of the first type is followed in each case by a plate 3 of the second type. Accordingly, each plate 2 of the first type has two adjacent plates 3 of the second type and vice versa.
  • the plates 2, 3 are arranged one above the other. Of course, it is possible to arrange the plates 2, 3 also next to each other.
  • the two mutually facing sides of the plates 2, 3 define flow passages for a first fluid, the cross-flow plate heat and / or moisture exchanger 1 in a in FIG. 1 flows through a direction indicated by arrows A, and for a second fluid which flows through the cross-flow plate heat and / or moisture exchanger 1 in a direction indicated in Figure 2 by arrows B general direction.
  • the general direction A of the first fluid is arranged approximately perpendicular to the general direction B of the second fluid.
  • the flow passages for the first fluid and for the second fluid are in the in FIG. 3 plate pack shown from the plates 2, 3 arranged alternately.
  • the flow passages for the first fluid are defined by the in FIG. 1 shown embodiment of the plate 2 of the first Design determined.
  • the flow passages for the second fluid are defined by the in FIG. 2 determined plate 3 of the second type determined.
  • the plates 2, 3 of the cross-flow plate heat and / or moisture exchanger 1 may be made of any suitable material, e.g. made of aluminum or a PET plastic.
  • the plates 2, 3 of the cross-flow plate heat and / or moisture exchanger 1 are designed as membrane plates.
  • the respective membrane plates consist of a membrane layer, by means of which enthalpy is transferable between the two fluids, and at least one perforated support layer, by means of which the membrane plate a predetermined mechanical strength and a spatial structure rental and these are upright preserved.
  • the membrane layer of the plates 2, 3 is then formed of a suitable plastic material, in particular a polyurethane or a polymer material.
  • the carrier layer of the plates 2, 3 is then made of a suitable nonwoven material, preferably of a polyester fleece or the like., Is formed.
  • the flow passages provided in the cross-flow plate heat and / or moisture exchanger 1 for the first fluid are described below with reference to FIGS FIG. 1 illustrated Structure of the plate 2 of the first type designed.
  • the plate 2 has in the case of in FIG. 1 embodiment shown, a first cross-flow area 4, in which the first fluid enters.
  • the first cross-flow region 4 has parallel flow channels 5, through which the first fluid is passed to a counter flow region 6 following the first cross flow region 4.
  • the counterflow region 6 has a larger number of counterflow channels 7 in comparison to that of the flow channels 5 of the first cross flow region 4.
  • the counterflow channels 7 are arranged inclined to the flow channels 5.
  • the counterflow channels 7 at a certain length on lengths of different directions.
  • the different length of the counterflow channels 7 results from the fact that the counterflow region 6 of the first plate 2 of their in FIG. 1 right upper corner 8 to their in FIG. 1 Left lower corner 9 extends and has a tapered in the direction of the two corners 8, 9 elliptical or oval shape.
  • the first fluid is guided to a second crossflow region 10 of the plate 2.
  • the second cross-flow area 10 has flow channels 11 which run parallel to the flow channels 5 of the first cross-flow area 4 and extend correspondingly in the general direction A, in which the first fluid flows through the cross-flow plate heat and / or moisture exchanger 1.
  • the flow passages provided in the cross-flow plate heat and / or moisture exchanger 1 for the second fluid are, by the following on the basis of the FIG. 2 illustrated structure of the plate 3 of the second type designed.
  • the plate 3 has in the case of in FIG. 2 embodiment shown, a first cross-flow region 12, in which the second fluid enters.
  • the first cross-flow region 12 has parallel flow channels 13, through which the second fluid is passed to a counter flow region 14 following the first cross flow region 12.
  • the countercurrent region 14 has a greater number of countercurrent channels 15 in comparison to that of the flow channels 13 of the first crossflow region 12.
  • the counterflow channels 15 are arranged inclined to the flow channels 13.
  • the counterflow channels 15 have lengths of different directions from a certain length.
  • the different length of the counterflow channels 15 results from the fact that the counterflow region 14 of the second plate 3 of their in FIG. 2 right upper corner 16 to their in FIG. 2 left lower corner 17 extends and has in the direction of the two corners 16, 17 tapered elliptical or oval shape.
  • the second cross-flow region 18 has flow channels 19 which run parallel to the flow channels 13 of the first cross-flow region 12 and extend correspondingly in the general direction B, in which the second fluid flows through the cross-flow plate heat and / or moisture exchanger 1.
  • FIG. 1 and FIG. 2 shown plates 2, 3 of different types arranged alternately one above the other.
  • FIG. 1 and FIG. 2 It can be seen that the first cross-flow area 4 of the plate 2 with respect to its arrangement and its dimensions to the second cross-flow area 18 of the in FIG. 2 represented plate 3 corresponds.
  • the second cross-flow area 10 corresponds to the in FIG. 1 shown plate 2 in terms of its shape and dimensions of the first cross-flow region 12 of in FIG. 2
  • the first fluid and the second fluid flow in the cross-flow areas 4, 10, 12, 18 of the two plates 2, 3 in their general directions A and B and thus approximately perpendicular to each other.
  • the plates 2, 3 are in the in the FIGS. 1 and 2 shown embodiments formed approximately square. Since the contours and the arrangement of the associated cross-flow areas 4 and 18 or 10 and 12 of the plates 2, 3 correspond to each other, this also applies to the contours and the arrangement of the counterflow regions 6, 14 of the two plates 2, 3rd
  • the first fluid and the second fluid flow in an opposite or anti-parallel flow direction.
  • directional changes of the counterflow channels 7 and 15 irregularities or turbulence of the flows of the first fluid and the second fluid are effected, which improve the heat and / or Moisture transfer between the two fluids 1, 2 contribute.
  • the general flow direction of the fluid 1 in the counterflow region 6 and the fluid 2 in the counterflow region 14 extend in the in the FIGS. 1 and 2 shown plates approximately at an angle of 45 degrees to the general directions A and B of the fluid 1 and the fluid 2.
  • the counterflow passages 7 of the counterflow region 6 of the plate 2 extend in the case of in the FIGS. 1 and 2 shown plates 2, 3 by a comparatively small angle, which may be between 5 degrees and 25 degrees, inclined to the counterflow channels 15 of the counterflow portion 14 of the plate 3. This ensures that the mechanical structure of the cross-flow plate heat and / or moisture exchanger 1 forming plate pack is stable and the distances between the plates 2, 3 do not change in the region of the counterflow regions 6, 14.
  • walls 20 of the flow channels 5 of the first cross-flow area 4 of the plate 2 walls 21 of the flow channels 11 of the second cross-flow area 10 of the plate 2, walls 21 of the flow channels 13 of the first cross-flow area 12 of the plate 3 and walls 23 of the flow channels 19 of the second Cross flow area 18 of the plate 3 without interruptions, ie continuous and continuous designed. Interruptions between said walls are in the case of in the FIGS. 1 and 2 shown plates 2, 3 in particular at the transitions between the cross-flow areas 4, 10, 12, 18 and the counterflow areas 6, 14 before.
  • the walls of the flow channels 5, 11, 13, 19 may of course also have interruptions.

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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)

Description

Die Erfindung bezieht sich auf einen Kreuzstromplattenwärme- und/oder -feuchteaustauscher, dessen Platten über-, unter- oder nebeneinander angeordnet sind und Strömungsdurchlässe alternierend für ein erstes und ein zweites Fluid bilden.The invention relates to a cross-flow plate heat and / or moisture exchanger whose plates are arranged above, below or next to each other and form flow passages alternately for a first and a second fluid.

Ausgehend von dem vorstehend geschilderten Stand der Technik liegt der Erfindung die Aufgabe zugrunde, einen verbesserten Kreuzstromplattenwärme- und/oder -feuchteaustauscher zur Verfügung zu stellen, der einerseits eine bessere Übertragungsleistung bei der Übertragung von Wärme und/oder Feuchtigkeit zwischen den beiden Fluiden hat und der darüber hinaus gegenüber Differenzdrücken zwischen den beiden Fluidströmen druckstabiler ist.Based on the above-described prior art, the present invention seeks to provide an improved cross-flow plate heat and / or moisture exchanger available, on the one hand has a better transmission performance in the transmission of heat and / or moisture between the two fluids and the In addition, compared to differential pressures between the two fluid streams is more pressure stable.

Diese Aufgabe wird erfindungsgemäß durch einen Kreuzstromplattenwärme- und/oder feuchteaustauscher gemäß Anspruch 1 gelöst.This object is achieved by a cross-flow plate heat and / or moisture exchanger according to claim 1.

Durch diese Ausgestaltung der beiden in unterschiedlicher Bauart ausgeführten Platten, die zu dem Kreuzstromplattenwärme- und/oder -feuchteaustauscher zusammengestellt werden, wird erreicht, dass die beiden den Kreuzstromplattenwärme- und/oder -feuchteaustauscher durchströmenden Fluide in den Gegenströmungsbereichen im Wesentlichen anti-parallel zueinander strömen, wodurch der Wirkungsgrad des erfindungsgemäßen Kreuzstromplattenwärme- und/oder -feuchteaustauschers im Vergleich zu den aus dem Stand der Technik bekannten entsprechenden Aggregaten erheblich erhöht ist. Aufgrund der zueinander senkrecht verlaufenden Strömungskanäle ergibt sich eine mechanisch stabile Ausgestaltung des erfindungsgemäßen Kreuzstromplattenwärme- und/oder -feuchteaustauschers. Da in jedem Strömungsdurchlass des erfindungsgemäßen Kreuzstromplattenwärme- und/oder -feuchteaustauschers ein Gegenströmungsbereich vorgesehen ist, wird sichergestellt, dass die beiden Fluide in diesem Gegenströmungsbereich etwa anti-parallel aneinander vorbeigeführt werden. Erfindungsgemäß wird ermöglicht, dass die Strömungsrichtung des ersten Fluids in Richtung des Eintritts des zweiten Fluids geführt ist, so dass sich die Temperatur bzw. die Feuchte des ersten Fluids der Eintrittstemperatur bzw. -feuchte des zweiten Fluids annähern kann. Ebenso kann sich die Temperatur und/oder die Feuchte des zweiten Fluids der Eintrittstemperatur bzw. -feuchte des ersten Fluids annähern. Durch eine derartige Vorgehensweise sind hohe Übertragungsgrade, die im Bereich bis zu 90 % liegen können, erreichbar.As a result of this configuration of the two plates of different construction, which are combined to form the cross-flow plate heat and / or moisture exchanger, it is achieved that the two fluids flowing through the crossflow plate heat and / or moisture exchanger flow in the counterflow regions substantially anti-parallel to one another whereby the efficiency of the cross-flow plate heat and / or moisture exchanger according to the invention is considerably increased in comparison to the corresponding units known from the prior art. Due to the mutually perpendicular flow channels results in a mechanically stable embodiment of the invention Kreuzstromplattenwärme- and / or -feuchteaustauschers. Since a counterflow region is provided in each flow passage of the crossflow plate heat and / or moisture exchanger according to the invention, it is ensured that the two fluids in this counter flow region are guided past each other in an anti-parallel manner. According to the invention, it is possible for the direction of flow of the first fluid to be guided in the direction of the inlet of the second fluid, so that the temperature or the humidity of the first fluid the inlet temperature or humidity of the second fluid can approach. Likewise, the temperature and / or the humidity of the second fluid may approach the inlet temperature or humidity of the first fluid. By such a procedure, high transmission rates, which can be in the range up to 90%, can be achieved.

Der erste Kreuzströmungsbereich jeder Platte bewirkt eine gleichmäßige Verteilung der jeweiligen Fluidströmung auf den Gegenströmungsbereich jeder Platte. Aufgrund der unterschiedlichen Ausgestaltung der einander benachbarten Platten können sich diese sehr gut aneinander abstützen, wobei dennoch im Bereich der jeweiligen Gegenströmungsbereiche ein etwa paralleler Verlauf der jeweiligen Strömungskanäle ermöglicht ist.The first cross-flow area of each plate causes a uniform distribution of the respective fluid flow to the counterflow region of each plate. Due to the different design of the adjacent plates, these can very well be supported against each other, yet in the region of the respective countercurrent areas an approximately parallel course of the respective flow channels is made possible.

Um die Stabilität des Plattenpakets des erfindungsgemäßen Kreuzstromplattenwärme- und/oder -feuchteaustauschers auch im Bereich der Gegenströmungsbereiche der Platten mit hoher Qualität und bei unterschiedlichsten Drücken in den unterschiedlichen Fluiden sicher zu gewährleisten, verlaufen die Gegenströmungskanäle des Gegenströmungsbereichs jeder Platte zu den Gegenströmungskanälen des Gegenströmungsbereichs jeder benachbarten Platte geringfügig, vorzugsweise um 5 Grad bis 25 Grad, geneigt. Hierdurch ist ein etwa paralleler Verlauf der von den benachbarten Platten in den benachbarten Strömungsdurchlässen ausgebildeten Gegenströmungskanälen gewährleistet, wobei darüber hinaus gesichert ist, dass sich die benachbarten Platten auch in den Gegenströmungsbereichen mechanisch fest aneinander abstützen können.In order to ensure the stability of the plate pack of the cross-flow plate heat and / or moisture exchanger according to the invention also in the region of the counterflow regions of the plates with high quality and at different pressures in the different fluids safely, the counterflow passages of the counterflow region of each plate to the counterflow passages of the counterflow region of each adjacent Plate slightly, preferably by 5 degrees to 25 degrees, inclined. As a result, an approximately parallel course of the counterflow channels formed by the adjacent plates in the adjacent flow passages is ensured, wherein it is further ensured that the adjacent plates can mechanically support one another in the countercurrent regions as well.

Wenn sich die Richtung von Gegenströmungskanälen der Gegenströmungsbereiche der Platten ändert, können in den Strömungen der beiden Fluide Turbulenzen bewirkt werden, die zu einer Verbesserung der Übertragungsverhältnisse von Wärme und/oder Feuchte durch die Platten hindurch zwischen den beiden Fluiden beitragen können.As the direction of countercurrent passages of the counterflow regions of the plates changes, turbulence can be caused in the flows of the two fluids, which can contribute to an improvement in the transfer ratios of heat and / or moisture through the plates between the two fluids.

Um den Montageaufwand für den erfindungsgemäßen Kreuzstromplattenwärme- und/oder -feuchteaustauscher möglichst gering zu halten und um eine sichere Abdichtung an den Plattenkanten mit einem möglichst geringen technisch-konstruktiven Aufwand gewährleisten zu können, ist es vorteilhaft, wenn die Platten rechteckig oder quadratisch ausgebildet sind.In order to keep the assembly costs for the cross-flow plate heat and / or moisture exchanger according to the invention as low as possible and to ensure a secure seal on the plate edges with the least possible technical and design effort, it is advantageous if the plates are rectangular or square.

Gemäß einer vorteilhaften Ausführungsform des erfindungsgemäßen Kreuzstromplattenwärme- und/oder -feuchteaustauschers sind die Gegenströmungsbereiche jeder Platte etwa oval bzw. elliptisch ausgebildet und erstrecken sich zwischen zwei einander gegenüberliegenden Ecken der Platte.According to an advantageous embodiment of the cross-flow plate heat and / or moisture exchanger according to the invention, the counterflow regions of each plate are approximately oval or elliptical and extend between two opposite corners of the plate.

Gemäß einer weiteren vorteilhaften Ausführungsform des erfindungsgemäßen Kreuzstromplattenwärme- und/oder -feuchteaustauschers ist die generelle Strömungsrichtung A, B der beiden durch die Platten voneinander getrennten Fluide durch den Kreuzstromplattenwärme- und/oder -feuchteaustauscher so gewählt, dass die beiden Fluide die Gegenströmungsbereiche des Kreuzstromplattenwärme- und/oder -feuchteaustauschers in Gegenrichtung, d.h. etwa anti-parallel, durchströmen.According to a further advantageous embodiment of the cross-flow plate heat and / or moisture exchanger according to the invention, the general flow direction A, B of the two fluids separated by the plates is selected by the cross-flow plate heat and / or moisture exchanger so that the two fluids flow through the counterflow regions of the cross-flow plate heat exchanger. and / or -feuchteaustauschers in the opposite direction, ie about anti-parallel, flow through.

Wenn zwischen den Platten angeordnete Wandungen der Strömungskanäle der Kreuzströmungsbereiche stetig bzw. unterbrechungsfrei ausgebildet sind, herrschen in den Kreuzströmungsbereichen des erfindungsgemäßen Kreuzstromplattenwärme- und/oder -feuchteaustauschers vergleichsweise regelmäßige und geordnete Strömungsverhältnisse, was bei bestimmten Anforderungssprofilen an den Kreuzstromplattenwärme- und/oder - feuchteaustauscher zweckmäßig und vorteilhaft ist.If arranged between the plates walls of the flow channels of the cross-flow areas continuously or without interruption are formed, prevail in the cross-flow areas of the invention Kreuzstromplattenwärme- and / or -feuchteaustauschers comparatively regular and ordered flow conditions, which is expedient and advantageous for certain requirements profiles to the cross-flow plate heat and / or - moisture.

Falls für anders geartete Anforderungsprofile an den erfindungsgemäßen Kreuzstromplattenwärme- und/oder -feuchteaustauscher in den Kreuzströmungsbereichen desselben turbulentere Strömungsverhältnisse angestrebt werden, ist es zweckmäßig, wenn zwischen den Platten angeordnete Wandungen der Strömungskanäle der Kreuzströmungsbereiche Unterbrechungen aufweisen.If turbulent flow conditions are desired for different requirements profiles on the cross-flow plate heat and / or moisture exchanger according to the invention in the crossflow regions, it is expedient if walls of the flow channels of the crossflow regions arranged between the plates have interruptions.

Als besonders vorteilhafte Werkstoffe für die Platten des erfindungsgemäßen Kreuzstromplattenwärme- und/oder -feuchteaustauschers haben sich Aluminium und Kunststoff, vorzugsweise PET-Kunststoff, erwiesen, insbesondere dann, wenn der erfindungsgemäße Kreuzstromplattenwärme- und/oder -feuchteaustauscher lediglich zur Temperaturübertragung zwischen den beiden Fluiden eingesetzt werden soll.As a particularly advantageous materials for the plates of the invention Kreuzstromplattenwärme- and / or -feuchteaustauschers aluminum and plastic, preferably PET plastic, have proven, especially when the Kreuzstromplattenwärme- and / or moisture exchanger according to the invention used only for temperature transfer between the two fluids shall be.

Wenn der erfindungsgemäße Kreuzstromplattenwärme- und/oder -feuchteaustauscher auch oder im Wesentlichen zum Feuchte- bzw. Enthalpieaustausch zwischen den beiden Fluiden eingesetzt werden soll, ist es vorteilhaft, wenn die Platten als Membranplatten ausgebildet sind. Hierbei weist jede Membranplatte eine Membranschicht und eine Trägerschicht auf. Mittels der Membranschicht ist Enthalpie zwischen den beiden Fluiden übertragbar. Die zumindest eine Trägerschicht ist durchbrochen ausgestaltet. Mittels dieser durchbrochenen Trägerschicht werden der Membranplatte eine vorgebbare mechanische Festigkeit und eine räumliche Struktur verliehen, wobei sowohl die mechanische Festigkeit als auch die räumliche Struktur auf Dauer aufrecht erhaltbar sind.If the cross-flow plate heat and / or moisture exchanger according to the invention is to be used also or essentially for the exchange of moisture or enthalpy between the two fluids, it is advantageous if the plates are designed as membrane plates. In this case, each membrane plate has a membrane layer and a carrier layer. Enthalpy can be transferred between the two fluids by means of the membrane layer. The at least one carrier layer is designed openwork. By means of this openwork carrier layer The membrane plate are given a predetermined mechanical strength and a spatial structure, with both the mechanical strength and the spatial structure can be maintained over time.

Die Membranschicht der Platten ist zweckmäßigerweise aus einem geeigneten Kunststoffwerkstoff, vorzugsweise einem Polyurethan- oder einem Polymerwerkstoff, ausgebildet.The membrane layer of the plates is expediently formed from a suitable plastic material, preferably a polyurethane or a polymer material.

Die Trägerschicht der Platten ist zweckmäßigerweise aus einem geeigneten Vlieswerkstoff, vorzugsweise aus einem Polyesterwerkstoff, ausgebildet.The carrier layer of the plates is expediently made of a suitable nonwoven material, preferably of a polyester material.

Im Folgenden wird die Erfindung anhand einer Ausführungsform unter Bezugnahme auf die Zeichnung näher erläutert.In the following the invention will be explained in more detail with reference to an embodiment with reference to the drawing.

Es zeigen:

Figur 1
eine Ausführungsform einer Platte der ersten Bauart eines Platten zweier unterschiedlicher Bauarten aufweisenden erfindungsgemäßen Kreuzstromplattenwärme- und/oder -feuchteaustauschers;
Figur 2
eine Ausführungsform einer Platte der zweiten Bauart des Platten zweier unterschiedlicher Bauarten aufweisenden erfindungsgemäßen Kreuzstromplattenwärme- und/oder -feuchteaustauschers; und
Figur 3
eine Prinzipdarstellung eines die in Figur 1 und 2 dargestellten Ausführungsformen von Platten aufweisenden erfindungsgemäßen Kreuzstromplattenwärme- und/oder -feuchteaustauschers.
Show it:
FIG. 1
an embodiment of a plate of the first type of a plate of two different types having Kreuzstromplattenwärme- and / or -feuchteaustauschers invention;
FIG. 2
an embodiment of a plate of the second type of plates of two different types having Kreuzstromplattenwärme- and / or -feuchteaustauschers invention; and
FIG. 3
a schematic representation of the in FIG. 1 and 2 illustrated embodiments of plates according to the invention cross-flow plate heat and / or humidifier.

Ein in Figur 3 in einer Prinzipdarstellung gezeigter erfindungsgemäßer Kreuzstromplattenwärme- und/oder -feuchteaustauscher 1 besteht aus einem Plattenpaket, das aus Platten 2, 3 unterschiedlicher Bauart bzw. Ausgestaltung zusammengesetzt ist. Innerhalb des Plattenpakets sind die Platten 2 und die Platten 3 alternierend angeordnet, d.h., auf eine Platte 2 der ersten Bauart folgt jeweils eine Platte 3 der zweiten Bauart. Entsprechend hat jede Platte 2 der ersten Bauart zwei benachbarte Platten 3 der zweiten Bauart und umgekehrt. Im Falle der in Figur 3 gezeigten Ausführungsform sind die Platten 2, 3 übereinander angeordnet. Selbstverständlich ist es möglich, die Platten 2, 3 auch nebeneinander anzuordnen.An in FIG. 3 shown in a schematic representation according to the invention Kreuzstromplattenwärme- and / or -feuchteaustauscher 1 consists of a plate package, which is composed of plates 2, 3 different design or configuration. Within the plate pack, the plates 2 and the plates 3 are arranged alternately, that is, on a plate 2 of the first type is followed in each case by a plate 3 of the second type. Accordingly, each plate 2 of the first type has two adjacent plates 3 of the second type and vice versa. In the case of in FIG. 3 In the embodiment shown, the plates 2, 3 are arranged one above the other. Of course, it is possible to arrange the plates 2, 3 also next to each other.

Die beiden einander zugewandten Seiten der Platten 2, 3 begrenzen Strömungsdurchlässe für ein erstes Fluid, das den Kreuzstromplattenwärme- und/oder -feuchteaustauscher 1 in einer in Figur 1 durch Pfeile A angezeigten Generalrichtung durchströmt, und für ein zweites Fluid, das den Kreuzstromplattenwärme- und/oder -feuchteaustauscher 1 in einer in Figur 2 durch Pfeile B angezeigten Generalrichtung durchströmt. Die Generalrichtung A des ersten Fluids ist etwa senkrecht zur Generalrichtung B des zweiten Fluids angeordnet.The two mutually facing sides of the plates 2, 3 define flow passages for a first fluid, the cross-flow plate heat and / or moisture exchanger 1 in a in FIG. 1 flows through a direction indicated by arrows A, and for a second fluid which flows through the cross-flow plate heat and / or moisture exchanger 1 in a direction indicated in Figure 2 by arrows B general direction. The general direction A of the first fluid is arranged approximately perpendicular to the general direction B of the second fluid.

Die Strömungsdurchlässe für das erste Fluid und für das zweite Fluid sind in dem in Figur 3 gezeigten Plattenpaket aus den Platten 2, 3 alternierend angeordnet.The flow passages for the first fluid and for the second fluid are in the in FIG. 3 plate pack shown from the plates 2, 3 arranged alternately.

Die Strömungsdurchlässe für das erste Fluid werden durch die in Figur 1 gezeigte Ausgestaltung der Platte 2 der ersten Bauart bestimmt. Die Strömungsdurchlässe für das zweite Fluid werden durch die in Figur 2 gezeigte Platte 3 der zweiten Bauart bestimmt.The flow passages for the first fluid are defined by the in FIG. 1 shown embodiment of the plate 2 of the first Design determined. The flow passages for the second fluid are defined by the in FIG. 2 determined plate 3 of the second type determined.

Die Platten 2, 3 des Kreuzstromplattenwärme- und/oder -feuchteaustauschers 1 können aus jedem geeigneten Werkstoff, z.B. aus Aluminium oder einem PET-Kunststoff, ausgebildet sein.The plates 2, 3 of the cross-flow plate heat and / or moisture exchanger 1 may be made of any suitable material, e.g. made of aluminum or a PET plastic.

Wenn der Kreuzstromplatten- und/oder -feuchteaustauscher 1 auch oder im Wesentlichen zum Feuchte- bzw. Enthalpieaustausch zwischen den beiden ihn durchströmenden Fluiden eingesetzt werden soll, sind die Platten 2, 3 des Kreuzstromplattenwärme- und/oder -feuchteaustauschers 1 als Membranplatten ausgebildet. Die betreffenden Membranplatten bestehen aus einer Membranschicht, mittels der Enthalpie zwischen den beiden Fluiden übertragbar ist, und zumindest einer durchbrochenen Trägerschicht, mittels der der Membranplatte eine vorgebbare mechanische Festigkeit und eine räumliche Struktur verleih- und diese aufrecht erhaltbar sind.If the cross-flow plate and / or moisture exchanger 1 is to be used also or essentially for the exchange of moisture or enthalpy between the two fluids flowing through it, the plates 2, 3 of the cross-flow plate heat and / or moisture exchanger 1 are designed as membrane plates. The respective membrane plates consist of a membrane layer, by means of which enthalpy is transferable between the two fluids, and at least one perforated support layer, by means of which the membrane plate a predetermined mechanical strength and a spatial structure rental and these are upright preserved.

Die Membranschicht der Platten 2, 3 ist dann aus einem geeigneten Kunststoffwerkstoff, insbesondere einem Polyurethan- oder einem Polymerwerkstoff, ausgebildet.The membrane layer of the plates 2, 3 is then formed of a suitable plastic material, in particular a polyurethane or a polymer material.

Die Trägerschicht der Platten 2, 3 ist dann aus einem geeigneten Vlieswerkstoff, vorzugsweise aus einem Polyestervlies od.dgl., ausgebildet.The carrier layer of the plates 2, 3 is then made of a suitable nonwoven material, preferably of a polyester fleece or the like., Is formed.

Die Strömungsdurchlässe, welche im Kreuzstromplattenwärme- und/oder -feuchteaustauscher 1 für das erste Fluid vorgesehen sind, werden durch die im Folgenden anhand der Figur 1 veranschaulichte Struktur der Platte 2 der ersten Bauart ausgestaltet. Die Platte 2 hat im Falle der in Figur 1 gezeigten Ausführungsform einen ersten Kreuzströmungsbereich 4, in den das erste Fluid eintritt. Der erste Kreuzströmungsbereich 4 hat zueinander parallele Strömungskanäle 5, durch die hindurch das erste Fluid zu einem auf den ersten Kreuzströmungsbereich 4 folgenden Gegenströmungsbereich 6 geleitet wird. Im dargestellten Ausführungsbeispiel weist der Gegenströmungsbereich 6 eine im Vergleich zu der der Strömungskanäle 5 des ersten Kreuzströmungsbereichs 4 größere Anzahl von Gegenströmungskanälen 7 auf. Die Gegenströmungskanäle 7 sind geneigt zu den Strömungskanälen 5 angeordnet. Darüber hinaus weisen die Gegenströmungskanäle 7 ab einer bestimmten Länge Längenabschnitte unterschiedlicher Richtung auf. Die unterschiedliche Länge der Gegenströmungskanäle 7 ergibt sich dadurch, dass sich der Gegenströmungsbereich 6 der ersten Platte 2 von deren in Figur 1 rechten oberen Ecke 8 zu deren in Figur 1 linken unteren Ecke 9 erstreckt und eine sich in Richtung der beiden Ecken 8, 9 verjüngende elliptische bzw. ovale Form aufweist.The flow passages provided in the cross-flow plate heat and / or moisture exchanger 1 for the first fluid are described below with reference to FIGS FIG. 1 illustrated Structure of the plate 2 of the first type designed. The plate 2 has in the case of in FIG. 1 embodiment shown, a first cross-flow area 4, in which the first fluid enters. The first cross-flow region 4 has parallel flow channels 5, through which the first fluid is passed to a counter flow region 6 following the first cross flow region 4. In the illustrated embodiment, the counterflow region 6 has a larger number of counterflow channels 7 in comparison to that of the flow channels 5 of the first cross flow region 4. The counterflow channels 7 are arranged inclined to the flow channels 5. In addition, the counterflow channels 7 at a certain length on lengths of different directions. The different length of the counterflow channels 7 results from the fact that the counterflow region 6 of the first plate 2 of their in FIG. 1 right upper corner 8 to their in FIG. 1 Left lower corner 9 extends and has a tapered in the direction of the two corners 8, 9 elliptical or oval shape.

Durch die Vielzahl der Gegenströmungskanäle 7 wird das erste Fluid zu einem zweiten Kreuzströmungsbereich 10 der Platte 2 geführt. Der zweite Kreuzströmungsbereich 10 hat Strömungskanäle 11, die parallel zu den Strömungskanälen 5 des ersten Kreuzströmungsbereichs 4 verlaufen und entsprechend in der Generalrichtung A, in der das erste Fluid den Kreuzstromplattenwärme- und/oder -feuchteaustauscher 1 durchströmt, sich erstrecken.Due to the multiplicity of counterflow passages 7, the first fluid is guided to a second crossflow region 10 of the plate 2. The second cross-flow area 10 has flow channels 11 which run parallel to the flow channels 5 of the first cross-flow area 4 and extend correspondingly in the general direction A, in which the first fluid flows through the cross-flow plate heat and / or moisture exchanger 1.

Die Strömungsdurchlässe, welche im Kreuzstromplattenwärme- und/oder -feuchteaustauscher 1 für das zweite Fluid vorgesehen sind, werden durch die im Folgenden anhand der Figur 2 veranschaulichte Struktur der Platte 3 der zweiten Bauart ausgestaltet. Die Platte 3 hat im Falle der in Figur 2 gezeigten Ausführungsform einen ersten Kreuzströmungsbereich 12, in den das zweite Fluid eintritt. Der erste Kreuzströmungsbereich 12 hat zueinander parallele Strömungskanäle 13, durch die hindurch das zweite Fluid zu einem auf den ersten Kreuzströmungsbereich 12 folgenden Gegenströmungsbereich 14 geleitet wird. Im dargestellten Ausführungsbeispiel weist der Gegenströmungsbereich 14 eine im Vergleich zu der der Strömungskanäle 13 des ersten Kreuzströmungsbereichs 12 größere Anzahl von Gegenströmungskanälen 15 auf. Die Gegenströmungskanäle 15 sind geneigt zu den Strömungskanälen 13 angeordnet. Darüber hinaus weisen die Gegenströmungskanäle 15 ab einer bestimmten Länge Längenabschnitte unterschiedlicher Richtung auf. Die unterschiedliche Länge der Gegenströmungskanäle 15 ergibt sich dadurch, dass sich der Gegenströmungsbereich 14 der zweiten Platte 3 von deren in Figur 2 rechten oberen Ecke 16 zu deren in Figur 2 linken unteren Ecke 17 erstreckt und eine sich in Richtung der beiden Ecken 16, 17 verjüngende elliptische bzw. ovale Form aufweist.The flow passages provided in the cross-flow plate heat and / or moisture exchanger 1 for the second fluid are, by the following on the basis of the FIG. 2 illustrated structure of the plate 3 of the second type designed. The plate 3 has in the case of in FIG. 2 embodiment shown, a first cross-flow region 12, in which the second fluid enters. The first cross-flow region 12 has parallel flow channels 13, through which the second fluid is passed to a counter flow region 14 following the first cross flow region 12. In the exemplary embodiment illustrated, the countercurrent region 14 has a greater number of countercurrent channels 15 in comparison to that of the flow channels 13 of the first crossflow region 12. The counterflow channels 15 are arranged inclined to the flow channels 13. In addition, the counterflow channels 15 have lengths of different directions from a certain length. The different length of the counterflow channels 15 results from the fact that the counterflow region 14 of the second plate 3 of their in FIG. 2 right upper corner 16 to their in FIG. 2 left lower corner 17 extends and has in the direction of the two corners 16, 17 tapered elliptical or oval shape.

Durch die Vielzahl der Gegenströmungskanäle 15 wird das zweite Fluid zu einem zweiten Kreuzströmungsbereich 18 der Platte 3 geführt. Der zweite Kreuzströmungsbereich 18 hat Strömungskanäle 19, die parallel zu den Strömungskanälen 13 des ersten Kreuzströmungsbereichs 12 verlaufen und entsprechend in der Generalrichtung B, in der das zweite Fluid den Kreuzstromplattenwärme- und/oder -feuchteaustauscher 1 durchströmt, sich erstrecken.Due to the multiplicity of counterflow passages 15, the second fluid is guided to a second crossflow region 18 of the plate 3. The second cross-flow region 18 has flow channels 19 which run parallel to the flow channels 13 of the first cross-flow region 12 and extend correspondingly in the general direction B, in which the second fluid flows through the cross-flow plate heat and / or moisture exchanger 1.

Wie bereits dargelegt, werden zur Ausgestaltung des Plattenpakets des Kreuzstromplattenwärme- und/oder -feuchteaustauschers 1 die in Figur 1 und Figur 2 gezeigten Platten 2, 3 unterschiedlicher Bauart alternierend übereinander angeordnet. Aus Figur 1 und Figur 2 ist ersichtlich, dass der erste Kreuzströmungsbereich 4 der Platte 2 hinsichtlich seiner Anordnung und seiner Abmessungen dem zweiten Kreuzströmungsbereich 18 der in Figur 2 dargestellten Platte 3 entspricht. Entsprechend entspricht der zweite Kreuzströmungsbereich 10 der in Figur 1 dargestellten Platte 2 hinsichtlich seiner Form und seiner Abmessungen dem ersten Kreuzströmungsbereich 12 der in Figur 2 dargestellten Platte 3. Das erste Fluid und das zweite Fluid strömen in den Kreuzströmungsbereichen 4, 10, 12, 18 der beiden Platten 2, 3 in ihren Generalrichtungen A bzw. B und damit in etwa senkrecht zueinander.As already stated, for the design of the plate package of the cross-flow plate heat and / or moisture exchanger 1, the in FIG. 1 and FIG. 2 shown plates 2, 3 of different types arranged alternately one above the other. Out FIG. 1 and FIG. 2 It can be seen that the first cross-flow area 4 of the plate 2 with respect to its arrangement and its dimensions to the second cross-flow area 18 of the in FIG. 2 represented plate 3 corresponds. Accordingly, the second cross-flow area 10 corresponds to the in FIG. 1 shown plate 2 in terms of its shape and dimensions of the first cross-flow region 12 of in FIG. 2 The first fluid and the second fluid flow in the cross-flow areas 4, 10, 12, 18 of the two plates 2, 3 in their general directions A and B and thus approximately perpendicular to each other.

Die Platten 2, 3 sind in den in den Figuren 1 und 2 gezeigten Ausführungsformen etwa quadratisch ausgebildet. Da die Umrisse und die Anordnung der einander zugeordneten Kreuzströmungsbereiche 4 und 18 bzw. 10 und 12 der Platten 2, 3 einander entsprechen, gilt dies auch für die Umrisse und die Anordnung der Gegenströmungsbereiche 6, 14 der beiden Platten 2, 3.The plates 2, 3 are in the in the FIGS. 1 and 2 shown embodiments formed approximately square. Since the contours and the arrangement of the associated cross-flow areas 4 and 18 or 10 and 12 of the plates 2, 3 correspond to each other, this also applies to the contours and the arrangement of the counterflow regions 6, 14 of the two plates 2, 3rd

In den Gegenströmungsbereichen 6 bzw. 14 strömen das erste Fluid und das zweite Fluid in einer entgegengesetzt bzw. anti-parallelen Strömungsrichtung. Durch die in den Gegenströmungsbereichen 6, 14 vorgesehenen Richtungsänderungen der Gegenströmungskanäle 7 bzw. 15 werden Unregelmäßigkeiten bzw. Turbulenzen der Strömungen des ersten Fluids und des zweiten Fluids bewirkt, die zur Verbesserung der Wärme- und/oder Feuchteübertragung zwischen den beiden Fluiden 1, 2 beitragen.In the counterflow regions 6 and 14, respectively, the first fluid and the second fluid flow in an opposite or anti-parallel flow direction. By provided in the counterflow regions 6, 14 directional changes of the counterflow channels 7 and 15, irregularities or turbulence of the flows of the first fluid and the second fluid are effected, which improve the heat and / or Moisture transfer between the two fluids 1, 2 contribute.

Die generelle Strömungsrichtung des Fluids 1 im Gegenströmungsbereich 6 sowie des Fluids 2 im Gegenströmungsbereich 14 verlaufen bei den in den Figuren 1 und 2 gezeigten Platten 2, 3 etwa in einem Winkel von 45 Grad zu den Generalrichtungen A bzw. B des Fluids 1 bzw. des Fluids 2. Die Gegenströmungskanäle 7 des Gegenströmungsbereichs 6 der Platte 2 verlaufen im Falle der in den Figuren 1 und 2 gezeigten Platten 2, 3 um einen vergleichsweise kleinen Winkel, der zwischen 5 Grad und 25 Grad liegen kann, geneigt zu den Gegenströmungskanälen 15 des Gegenströmungsbereichs 14 der Platte 3. Hierdurch wird sichergestellt, dass die mechanische Struktur des den Kreuzstromplattenwärme- und/oder -feuchteaustauscher 1 ausbildenden Plattenpakets stabil ist und sich die Abstände zwischen den Platten 2, 3 auch im Bereich von deren Gegenströmungsbereichen 6, 14 nicht ändern. Bei der Zusammenstellung des Plattenpakets des vorstehend geschilderten Kreuzstromplattenwärme- und/oder -feuchteaustauschers 1 muss sichergestellt werden, dass der dem ersten Fluid zugeordnete Eingangsabschnitt und der dem zweiten Fluid zugeordnete Eingangsabschnitt so zueinander angeordnet sind, dass das erste Fluid und das zweite Fluid in den Gegenströmungsbereichen 6, 14 einander entgegengesetzt strömen.The general flow direction of the fluid 1 in the counterflow region 6 and the fluid 2 in the counterflow region 14 extend in the in the FIGS. 1 and 2 shown plates approximately at an angle of 45 degrees to the general directions A and B of the fluid 1 and the fluid 2. The counterflow passages 7 of the counterflow region 6 of the plate 2 extend in the case of in the FIGS. 1 and 2 shown plates 2, 3 by a comparatively small angle, which may be between 5 degrees and 25 degrees, inclined to the counterflow channels 15 of the counterflow portion 14 of the plate 3. This ensures that the mechanical structure of the cross-flow plate heat and / or moisture exchanger 1 forming plate pack is stable and the distances between the plates 2, 3 do not change in the region of the counterflow regions 6, 14. In assembling the plate pack of the cross-flow plate heat and / or moisture exchanger 1 described above, it must be ensured that the input portion associated with the first fluid and the input portion associated with the second fluid are disposed relative to each other such that the first fluid and the second fluid are in the counterflow portions 6, 14 flow opposite to each other.

Im dargestellten Ausführungsbeispiel sind Wandungen 20 der Strömungskanäle 5 des ersten Kreuzströmungsbereichs 4 der Platte 2, Wandungen 21 der Strömungskanäle 11 des zweiten Kreuzströmungsbereichs 10 der Platte 2, Wandungen 21 der Strömungskanäle 13 des ersten Kreuzströmungsbereichs 12 der Platte 3 und Wandungen 23 der Strömungskanäle 19 des zweiten Kreuzströmungsbereichs 18 der Platte 3 ohne Unterbrechungen, d.h. stetig und kontinuierlich, gestaltet. Unterbrechungen zwischen den genannten Wandungen liegen im Falle der in den Figuren 1 und 2 gezeigten Platten 2, 3 insbesondere an den Übergängen zwischen den Kreuzströmungsbereichen 4, 10, 12, 18 und den Gegenströmungsbereichen 6, 14 vor.In the illustrated embodiment, walls 20 of the flow channels 5 of the first cross-flow area 4 of the plate 2, walls 21 of the flow channels 11 of the second cross-flow area 10 of the plate 2, walls 21 of the flow channels 13 of the first cross-flow area 12 of the plate 3 and walls 23 of the flow channels 19 of the second Cross flow area 18 of the plate 3 without interruptions, ie continuous and continuous designed. Interruptions between said walls are in the case of in the FIGS. 1 and 2 shown plates 2, 3 in particular at the transitions between the cross-flow areas 4, 10, 12, 18 and the counterflow areas 6, 14 before.

Wenn turbulentere Strömungsverhältnisse in den Kreuzströmungsbereichen 4, 10, 12, 18 angestrebt werden bzw. erforderlich sind, können die Wandungen der Strömungskanäle 5, 11, 13, 19 selbstverständlich auch Unterbrechungen aufweisen.If more turbulent flow conditions in the cross-flow areas 4, 10, 12, 18 are desired or required, the walls of the flow channels 5, 11, 13, 19 may of course also have interruptions.

Claims (12)

  1. A cross-flow plate heat and/ moisture exchanger, the plates (2, 3) of which are arranged above, below and next to each other and which form flow passages alternating for a first and a second fluid, wherein each plate (2, 3) comprises a first cross-flow region (4, 12), a counter-flow region (6, 14) following the first cross-flow region (4, 12) in flow direction and a second cross-flow region (10, 18) following the counter-flow region (6, 14), the cross-flow regions (4, 10, 12, 18) of adjacent plates (2, 3) forming flow channels (5, 11, 13, 19) extending approx. vertically to each other, the counter-flow regions (6, 14) of adjacent plates (2, 3) forming counter-flow channels (7, 15), the first / second cross-flow region (4, 10) of each plate (2) corresponding in its dimensions to the second / first cross-flow region (18, 12) of each adjacent plate (3) and being arranged above, below or next to the same, and the counter-flow region (6) of each plate (2) corresponding in its dimensions to the counter-flow region (14) of each adjacent plate (3) and being arranged above, below or next to the same, characterised in that the counter-flow channels (7) of the counter-flow region (14) of each plate (2) are slightly, preferably by 5 to 25 degrees, inclined to the counter-flow channels (15) of the counter-flow region (14) of each adjacent plate (3).
  2. The cross-flow plate heat and/or moisture exchanger according to claim 1, in which the direction of counter-flow channels (7, 15) of the counter-flow regions (6, 14) of the plates (2, 3) changes.
  3. The cross-flow plate heat and/or moisture exchanger according to claim 1 or 2, the plates (2, 3) of which are shaped as rectangles or squares.
  4. The cross-flow plate heat and/or moisture exchanger according to one of claims 1 to 3, in which the counter-flow regions (6, 14) of each plate (2, 3) are shaped as an oval or an ellipse and extend between two opposite corners (8, 9; 16, 17) of the plate (2, 3).
  5. The cross-flow plate heat and/or moisture exchanger according to one of claims 1 to 4, in which the general direction of flow (A, B) of the two fluids separated from each other by the plates (2, 3) through the cross-flow plate heat and/or moisture exchanger (1) is chosen such that the two fluids flow in opposite directions through the counter-flow regions (6, 14) of the cross-flow plate heat and/or moisture exchanger (1).
  6. The cross-flow plate heat and/or moisture exchanger according to one of claims 1 to 5, in which walls (20, 21, 22, 23) of the flow channels (5, 11, 13, 19) of the cross-flow regions (4, 10, 12, 18), which are arranged between the plates (2, 3), are formed so as to be continuous or without interruptions.
  7. The cross-flow plate heat and/or moisture exchanger according to one of claims 1 to 5, in which walls of the flow channels (5, 11, 13, 19) of the cross-flow regions (4, 10, 12, 18), which are arranged between the plates (2, 3) comprise interruptions.
  8. The cross-flow plate heat and/or moisture exchanger according to one of claims 1 to 7, the plates (2, 3) of which are formed from aluminium.
  9. The cross-flow plate heat and/or moisture exchanger according to one of claims 1 to 7, the plates (2, 3) of which are formed from plastic, preferably from a PET plastic.
  10. The cross-flow plate heat and/or moisture exchanger according to one of claims 1 to 7, the plates (2, 3) of which are formed as membrane plates, comprising a membrane layer by means of which enthalpy is transferable between the two fluids, and at least one broken carrier layer, by means of which a definable mechanical strength and a spatial structure can be imparted to the membrane plates and maintained.
  11. The cross-flow plate heat and/or moisture exchanger according to claim 10, in which the membrane layer of the plates (2, 3) is formed from a suitable plastic material, preferably a polyurethane or polymer material.
  12. The cross-flow plate heat and/or moisture exchanger according to claim 10 to 11, in which the carrier layer of the plates (2, 3) is formed from a suitable fleece material, preferably a polyester material.
EP16707626.4A 2016-02-11 2016-02-11 Cross-flow plate heat and/or moisture exchanger Active EP3414508B1 (en)

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CA3014091A1 (en) 2017-08-17
PL3414508T3 (en) 2020-05-18
US20190086156A1 (en) 2019-03-21
WO2017137054A1 (en) 2017-08-17
EP3414508A1 (en) 2018-12-19
RU2018130819A (en) 2020-03-11

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