EP1426722B1 - Wärmetauscherplatte und Plattenwärmetauscher - Google Patents

Wärmetauscherplatte und Plattenwärmetauscher Download PDF

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Publication number
EP1426722B1
EP1426722B1 EP03292594A EP03292594A EP1426722B1 EP 1426722 B1 EP1426722 B1 EP 1426722B1 EP 03292594 A EP03292594 A EP 03292594A EP 03292594 A EP03292594 A EP 03292594A EP 1426722 B1 EP1426722 B1 EP 1426722B1
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EP
European Patent Office
Prior art keywords
heat exchanger
corrugations
plate
zones
plates
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.)
Expired - Lifetime
Application number
EP03292594A
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English (en)
French (fr)
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EP1426722A1 (de
Inventor
Dominique Sabin
Alain Bourgeon
Pierre-Xavier Bussonnet
Eric Gilbert-Desvallons
Gilbert Graille
Pierre Tanca
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Alfa Laval Packinox SAS
Original Assignee
Packinox SA
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Publication date
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Publication of EP1426722A1 publication Critical patent/EP1426722A1/de
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Publication of EP1426722B1 publication Critical patent/EP1426722B1/de
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Expired - Lifetime legal-status Critical Current

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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
    • F28F3/046—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 linear, e.g. corrugations
    • 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
    • F28F2265/26—Safety or protection arrangements; Arrangements for preventing malfunction for allowing differential expansion between elements

Definitions

  • the invention relates to a plate of a heat exchanger and a plate heat exchanger constituted by plates according to the invention.
  • Heat exchangers are known, used for example in the field of petroleum refining or petrochemistry, which are produced in the form of plate heat exchangers and which can ensure a heat exchange with a very good efficiency, between a hot fluid and a cold fluid, the cold fluid being able to undergo, for example, a temperature increase of the order of 300 ° C to 400 ° C.
  • plate heat exchangers have the advantage of having a very good heat exchange coefficient.
  • Such heat exchangers generally comprise one or more bundles of plates each formed by a stack of superposed plates in arrangements that are parallel to each other and delimiting between them a double circulation circuit for two completely separate fluids.
  • Such an exchanger is described in EP-A-1191297.
  • Each of the elementary plates of a bundle of the plate heat exchanger is constituted by a thin metal sheet, for example made of stainless steel, shaped to comprise undulations of particular shape in a central zone of the plate through which the heat transfers between the fluids are made.
  • the corrugations of the plates of the heat exchange bundle are arranged adjacent to each other so as to cover the entire surface of the central zone of the plate of the heat exchanger.
  • the corrugations can be directed in a longitudinal direction of the plate which constitutes a direction of general circulation of the fluids between which a heat exchange is carried out.
  • the fluids may for example flow countercurrently, that is to say in parallel directions and opposite directions, on both sides of the plates of the heat exchange bundle stacked one on the other.
  • corrugations of each of the plates comprise substantially rectilinear, successive in the longitudinal direction and oblique with respect to this direction of the plate.
  • the successive and oblique sections have an inclination with respect to the longitudinal axis of the plate according to which they are arranged, successively on one side and the other of the longitudinal axis, so as to constitute a broken line.
  • the adjacent corrugations constitute ridge lines on a first face and a second opposite face of the heat exchanger plate.
  • the plates of a plate heat exchanger bundle which are stacked one on the other are arranged alternately in a first and in a second arrangement, the stacked plates being turned face to face by 180 ° with respect to the two plates. adjacent to the stack.
  • the plates designated alternately as odd plates and as even plates have corrugations whose superimposed rectilinear sections have different orientations.
  • the plates rest on each other through their corrugations in practically punctual areas.
  • the plates stacked one on top of a beam are connected to each other along their longitudinal edges, by connecting means ensuring the tight closure of the lateral sides of the beam.
  • Flat sheets arranged at the top and at the bottom of the stack and fixed to the lateral connection means also ensure the closure of the upper part and the lower part of the plate bundle.
  • the object of the invention is therefore to provide a plate of a heat exchanger consisting of a stack of plates each having a central zone in which the plate has first adjacent corrugations generally directed along a longitudinal direction axis of the plate and comprising substantially rectilinear sections that are successive and oblique with respect to the longitudinal axis and that are successively inclined to one side and to the other of the longitudinal axis, this plate making it possible to ensure the absorption of deformations of thermal origin or mechanical plate in the heat exchanger in use and thus limit the stresses on the plate and the structures of the heat exchanger.
  • the heat exchanger plate according to the invention comprises, in addition, at least one set of successive sections arranged angularly or in alignment, second corrugations, extending along a transverse general direction alignment axis, intersecting the set of longitudinal axes along which the first undulations are arranged, the transverse alignment axis of the substantially rectilinear sections of the second undulations making an angle between 45 ° and 90 ° with the longitudinal axes of the first undulations.
  • Figure 1 is a top view showing first and second corrugations of a heat exchanger plate according to the invention.
  • FIGS. 2A, 2B, 2C and 2D are partial top views of heat exchanger plates according to the invention and according to first, second, third and fourth embodiments, respectively.
  • Figure 2E is a sectional view along E-E of Figure 2D showing a phase of assembly of the plate in an end zone.
  • FIGS. 3A and 3B are top views of heat exchanger plates according to the invention comprising several sets of adjacent second corrugations having different relative provisions in the longitudinal direction of the heat exchanger plate.
  • Figure 4 is a top view of a heat exchanger plate according to the invention having rectilinear transverse corrugations.
  • Fig. 5 is an exploded perspective view of a portion of a plate heat exchanger bundle showing the disposition of the transverse deformation zones.
  • Fig. 6 is a perspective view of a plate exchanger beam plate showing the fluid passage paths at contact areas of the plate.
  • FIG 1 there is shown a section of a plate 1 of a plate heat exchanger, made according to the invention.
  • the plate 1 is obtained from a sheet, for example stainless steel, on which a forming is performed to obtain corrugations.
  • FIG. 1 shows, by an arrow, the direction of flow of a fluid in the longitudinal direction 2 of the plate 1, for example in contact with its upper face visible in FIG. 1, on which there is shown a heat exchanger plate section in the longitudinal direction 2.
  • the plate 1 comprises a first set of corrugations 3 or longitudinal corrugations arranged generally in the longitudinal direction 2 of the plate, each of the corrugations 3 having successive substantially straight sections and arranged obliquely to the direction of an axis 4 of the plate. longitudinal direction of the plate 1.
  • FIG. 1 shows a plurality of longitudinal axes 4 along which the longitudinal corrugations 3 are aligned.
  • the successive rectilinear sections of the first undulations 3 of longitudinal general direction are inclined relative to the longitudinal axes 4, preferably an angle between 10 ° and 30 °.
  • Two successive sections of a corrugation 3 are directed in a first direction and in a second direction relative to the axis 4, the successive sections forming between them a very open angle of the order of 120 ° to 160 °.
  • second undulations 5 of transverse direction 6 that is to say generally aligned, along transverse axes 6 forming an angle which may be between 45 ° and 90 ° with the longitudinal direction 2 of the axes 4 of the first undulations.
  • the second undulations 5 may be directed along axes 6 perpendicular to the longitudinal axes 4 of the plate 1.
  • the second undulations 5 comprise successive rectilinear sections each making an angle of between 0.degree. And 30.degree. alignment transverse direction 6, two successive segments of a corrugation being oriented in a first direction and in a second opposite direction relative to the transverse direction of alignment.
  • the successive sections of the second transverse corrugations make angles between them of between 120 ° and 180 °.
  • the transverse corrugations 5 may be arranged along a plurality of transverse deformation zones 8 each aligned in the direction of a transverse axis 6.
  • FIG. 1 shows two deformation zones 8 separated by a distance L in the longitudinal direction 2 of the plate 1.
  • the plate 1 may comprise any number of deformation zones 8 having transverse corrugations 5.
  • a heat exchanger plate according to the invention must comprise at least one deformation zone 8 in which at least one transverse corrugation is formed constituting, on the two opposite faces of the plate, a protruding ridge portion and a hollow part.
  • the deformation zones 8 of the plate 1 comprise several adjacent corrugations 5 each forming a crest portion on one side of the sheet and a recessed portion on the other side.
  • the adjacent longitudinal corrugations 3 themselves constitute a protruding ridge portion and a hollow portion on each of the faces of the plate 1, the recessed portions on one of the faces of the sheet constituting the ridge portions projecting from the second face of the plate.
  • the deformation zones 8 constituted by the second undulations 5 intersect the set of axes 4 of the first undulations 3 of longitudinal direction, along the entire width of the exchanger plate 1.
  • each of the successive segments of a corrugation 5 of a deformation zone 8 makes, with the segments of the longitudinal corrugations 3 that it intersects, an angle which can be for example close to 45.degree. or 90 °.
  • the successive segments of the second undulations can make any angle with each of the successive segments of the first corrugations they cut, this angle being for example between 30 ° and 90 °.
  • deformation zones 8 formed by the second undulations 5 of transverse direction are arranged along the entire width of the plate 1 of the heat exchanger, a deformation in the direction longitudinal of the plate 1 can be absorbed at the deformation zones 8 which have a certain flexibility due to the presence of adjacent corrugations 5.
  • FIGS. 2A, 2B, 2C and 2D show four variant embodiments of deformation zones 8 consisting of adjacent transversal corrugations 5 of a plate 1 of a plate heat exchanger.
  • the zones 8 each comprise at least one transverse direction corrugation 5 and for example four adjacent corrugations, as shown in the figures.
  • FIG. 2A shows a deformation zone 8 formed by transverse corrugations intersecting the longitudinal corrugations 3, each in a portion of a rectilinear section of the longitudinal corrugation 3 intermediate the ends of the section ensuring its junction with neighboring sections arranged angularly in one direction and the other with respect to an axis 4.
  • FIGS. 2A, 2B, 2C and 2D show transverse corrugations 5 whose alignment axes 6 are perpendicular to the alignment axes 4 of the longitudinal corrugations. More generally, the axes along which the successive rectilinear sections of the second transverse corrugations 5 are aligned can make an angle of 45 ° to 90 ° with the alignment axes of the successive rectilinear sections of the first corrugations 3.
  • the rectilinear sections of the second undulations 5 also make an angle (for example close to 60 ° in FIG. 2A) with the longitudinal axes 4 of the first undulations 3 of the plate 1.
  • FIG. 2B shows an alternative embodiment of the deformation zones 8 which consist of adjacent transverse corrugations 5 intersecting the first corrugations 3 of the plate 1 along junction zones between the successive sections of the first angularly arranged corrugations 3. .
  • the deformation zone 8 is aligned along a transverse axis 6 passing through the junction zones transversely aligned with straight sections of the first corrugations 3.
  • the adjacent transversal corrugations 5 forming these deformation zones are continuous along the entire width of the plate 1.
  • FIG. 2C shows a deformation zone 8 constituted by transversal corrugations 5 which have discontinuities 9 of short length, the length in the transverse direction of the discontinuities 9 being, for example, less than the width of a corrugation 3 of longitudinal direction.
  • the plate 1 has no transverse corrugations.
  • the plate 1 Due to the short length in the transverse direction of the discontinuities 9, the plate 1 has a substantially similar flexibility to that of the plates shown in Figures 2A and 2B.
  • the zone 10 of the plate may comprise a double network of intersecting corrugations to ensure, on one side of the sheet, the distribution of a first exchange fluid in the channels and, on the other side of the plate, the recovery of a second exchange fluid.
  • the end zone 10 of the plate can be made, as shown in Figures 1 and 2C, by a completely smooth portion of the plate having no corrugations.
  • the entry and exit zones of the beam guiding the fluids are constituted by independent plates inserted between the smooth input parts of the plates of the heat exchanger.
  • the deformation zone 8 can be made in the immediate vicinity of an end portion 10 of the plate 1 of the exchanger, at the end of the longitudinal corrugations 3.
  • the plate 2 may comprise an end zone 10 in which the plate 1 has a deformation zone 8 having transverse corrugations 5.
  • an insert 13 which will be placed in the heat exchanger between two successive plates.
  • the insert 13 is made in the form of a plate which may comprise a set of corrugations 3 'in a suitable arrangement for guiding the fluids at one end of the heat exchanger.
  • the insert 13 has a through opening 14 whose shape and dimension are adapted to those of the deformation zone 8 so that the transverse corrugations 5 are housed in the opening 14, when the insert 13 is placed on the plate 1.
  • the end portion 10 of the sheet 1 can thus be deformed in the longitudinal direction and contribute to guiding the fluids in the heat exchanger.
  • deformation zones 8 having juxtaposed transverse corrugations it is possible to provide, in the end portion 10 of the plate 1, one or more isolated transverse corrugations which are housed in one or more openings of an insert reported on the plate 1.
  • the transverse corrugations of the end zone may consist of sections arranged angularly or aligned; the shape of the openings of the insert is adapted to the shape of the transverse corrugations.
  • FIG. 4 shows a plate 1 according to the invention comprising transversal deformation zones 8 each consisting of a single rectilinear ripple directed in the transverse direction 6 of the plate; in this case, the successive sections angularly arranged transverse corrugations 5 as described above are replaced by aligned sections forming between them a flat angle (180 °).
  • the corrugations 5 can be placed, as shown in FIG. 4, along the angular connection areas of the longitudinal corrugations 3 in the form of a broken line, of the plate 1.
  • each of the plates 1 of the heat exchanger may comprise one or more deformation zones 8 providing flexibility to the heat exchanger plate allowing it to deform in the longitudinal direction.
  • the successive zones of deformation 8 may be arranged in the axial direction of the heat exchanger plate 1, equidistant from each other (constant distance L in Figure 3A) or at varying distances in the longitudinal direction (distances A, B and C with A ⁇ B ⁇ C, as shown in Figure 3B).
  • the transverse alignment direction 6 of the deformation zones 8 can make, with the direction of the axes 4 of the corrugations 3 of longitudinal direction, an angle of between 45 ° and 90 °.
  • deformation zones 8 A requirement concerning the deformation zones 8 is, however, that these deformation zones constituted by the transverse corrugations substantially intersect all of the longitudinal corrugations 3 extending practically over the entire width of the heat exchanger plate 1, that the direction general deformation zones is perpendicular to the longitudinal direction or oblique with respect to this direction.
  • FIG. 5 is an exploded view of part of a bundle of a plate heat exchanger to which the invention applies.
  • the exchanger plates 1a, 1b and 1c comprise longitudinal corrugations 3, the crest lines of which have been drawn in the form of broken lines, these ridge lines corresponding to the apices of the corrugations on the upper face of the plates 1a, 1b and 1c. .
  • the corrugations 3 consist of successive rectilinear sections arranged angularly with respect to one another and directed along longitudinal axes 4 of the heat exchanger plates.
  • the intermediate plate 1b, or odd plate, intended to be inserted between the even plates 1a and 1c is turned 180 ° face to face relative to the orientation of the even plates 1a, 1c.
  • the oblique sections of the undulations 3 and the ridge lines shown in FIG. 5 which have different orientations on the even plates 1a, 1c and on the odd plate 1b come into contact with each other during the superimposition of the sheets 1a, 1b and 1c along zones 11 longitudinal corrugations, practically punctual.
  • FIG. 6 the point 11 contact zones of the corrugations of the sheet 1b are shown with those of the sheet 1a.
  • the principle of the plate heat exchangers is to circulate a first fluid in a longitudinal general direction and in a first direction (represented by the arrow 2) in every other space between the successive sheets of the stack and a second fluid, in the longitudinal direction and generally against the flow of the first fluid (as represented by the arrow 2 '), in the spaces between the sheets, in which there is no circulation of the first fluid, that is to say say in every other space between the sheets.
  • the fluids for example the second fluid flowing generally in the direction 2 '
  • the fluids are distributed in the passages between the contact points 11 of the longitudinal corrugations.
  • transverse corrugations When transverse corrugations are carried out on the heat exchanger plates, they must be shaped in such a way as to limit as much as possible the increase in pressure drop in the flow of fluids inside the heat exchanger. beam of the heat exchanger.
  • the plates 1a, 1b and 1c are heat exchanger plates according to the invention which comprise zones of deformation 8a, 8b or 8c extending transversely over the entire width of the sheets and spaced apart from each other. the other in the longitudinal direction, each of the sheets of the heat exchanger bundle may comprise several deformation zones 8a, 8b or 8c.
  • the deformation zones 8b of the odd intermediate sheet 1b are preferably offset in the longitudinal direction with respect to the deformation zones. 8a and 8c even sheets 1a and 1c.
  • the deformation zones 8a and 8c of the even plates and the deformation zones of the odd plates are offset from each other in the longitudinal direction of the sheets of the stack.
  • the deformation zones of all the even plates may be in superposed positions, as may all the deformation zones of the odd plates, but it is also possible to imagine other arrangements in which the zones of deformation of the even plates or odd sheets are not all superimposed.
  • the stack formed by the offset d between the deformation zones of the even-numbered plates is characterized. the zones of deformation of the odd sheets.
  • the deformation zones 8b of the odd sheet will preferably be superimposed with those of the even plates. to limit the pressure drops.
  • the heat exchanger plates according to the invention therefore make it possible to absorb deformations in the longitudinal direction, in particular deformations due to thermal expansions of the sheets, without the appearance of stresses in the common parts of the sheets, between the zones. deformation.
  • the longitudinal or transverse corrugations can have different shapes from those described, that the transverse corrugations can be oriented along alignment axes making any angle between 45 ° and 90 ° with the axes of longitudinal corrugations of the plates and that the deformation zones of the plates may be constituted by at least one transverse corrugation.
  • the number of deformation zones along the length of the sheet may be arbitrary and determined as a function of the total length of the plates of the heat exchanger and the width and number of transverse corrugations of the deformation zones.
  • the distance between the deformation zones, in the longitudinal direction, may be constant over the entire length of the heat exchanger plates or, conversely, variable.
  • deformation calculations make it possible to determine the optimal solution as to the number of deformation zones and the distance between these zones, as a function of the total length of the plate of the heat exchanger and the temperatures of the fluids circulating at contact plates exchanger.
  • the invention is applicable to many plate heat exchangers used in the industry.

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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)
  • Separation By Low-Temperature Treatments (AREA)
  • Devices For Blowing Cold Air, Devices For Blowing Warm Air, And Means For Preventing Water Condensation In Air Conditioning Units (AREA)

Claims (10)

  1. Wärmetauscherplatte, die durch einen Stapel von Platten (1, 1a, 1b, 1c) gebildet wird, die jeweils eine zentrale Zone haben, in der die Platte aneinanderangrenzende erste Wellen (3) bildet, die allgemein längs einer Ausrichtachse (4) in Längsrichtung der Platte ausgerichtet sind und aufeinanderfolgende, im wesentlichen gerade und schräg liegende Abschnitte aufweisen, die nacheinander eine Neigung in einer ersten Richtung und einer zweiten Richtung in Bezug auf ihre längsverlaufende Ausrichtachse haben, dadurch gekennzeichnet, daß sie außerdem mindestens eine Gruppe von aufeinanderfolgenden, winklig oder ausgerichtet angeordneten Abschnitten von zweiten Wellen (5) aufweist, die sich längs einer allgemein quer verlaufenden Ausrichtachse erstrecken, die die Gruppe der Längsachsen (4) schneidet, längs derer die ersten Wellen (3) angeordnet sind, wobei die transversale Ausrichtachse (6) der im wesentlichen geraden Abschnitte der zweiten Wellen (5) mit den Längsachsen (4) der ersten Wellen (3) einen Winkel zwischen 45° und 90° bildet.
  2. Wärmetauscherplatte nach Anspruch 1, dadurch gekennzeichnet, daß die allgemein transversal verlaufenden zweiten Wellen (5) die ersten Wellen (3) in Zonen von geraden Abschnitten der ersten Wellen (3) schneiden, die zwischen den Enden der Abschnitte liegen.
  3. Wärmetauscherplatte nach Anspruch 1, dadurch gekennzeichnet, daß die zweiten Wellen (5) die ersten Wellen (4) in Verbindungszonen zwischen den aufeinanderfolgenden Abschnitten der ersten Wellen (3) schneiden.
  4. Wärmetauscherplatte nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß die zweiten Wellen (5) diskontinuierlich sind und verschiedene in der transversalen Richtung aufeinanderfolgende Teile haben, die durch Zonen (9) getrennt sind, in denen die Wärmetauscherplatte (1) keine zweiten Wellen (5) aufweist.
  5. Wärmetauscherplatte nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß sie mindestens zwei Deformationszonen (8, 8') hat, die jeweils durch wenigstens eine Gruppe von Abschnitten der zweiten Wellen (5) gebildet werden.
  6. Wärmetauscherplatte nach Anspruch 5, dadurch gekennzeichnet, daß jede Deformationszone (8, 8') wenigstens zwei aneinander angrenzende zweite Wellen (5) aufweist, die sich in der transversalen Richtung der Wärmetauscherplatte (1) erstrekken.
  7. Wärmetauscherplatte nach einem der Ansprüche 5 und 6, dadurch gekennzeichnet, daß die Wärmetauscherplatte (1) mehrere Deformationszonen (8, 8') hat, die aufeinanderfolgend in der Längsrichtung der Wärmetauscherplatte angeordnet sind, mit einem konstanten Abstand (L) zwischen zwei aufeinanderfolgenden Deformationszonen (8, 8').
  8. Wärmetauscherplatte nach einem der Ansprüche 5 und 6, dadurch gekennzeichnet, daß sie mehrere Deformationszonen (8, 8') hat, die in der Längsrichtung der Wärmetauscherplatte (1) so verteilt sind, daß die aufeinanderfolgenden Deformationszonen (8, 8') in der Längsrichtung durch einen variablen Abstand (A, B, C) in der Längsrichtung der Wärmetauscherplatte (1) getrennt sind.
  9. Wärmetauscherbündel, das durch einen Stapel von Platten nach einem der Ansprüche 1 bis 8 gebildet wird.
  10. Wärmetauscherbündel nach Anspruch 9, dadurch gekennzeichnet, daß jede der Platten (1, 1a, 1b, 1c) des Wärmetauscherbündels mindestens zwei Deformationszonen (8a, 8b, 8c) aufweist, die in solchen Positionen angeordnet sind, daß die Deformationszonen (8a, 8b, 8c) auf der Länge von zwei aufeinanderfolgenden Platten des Stapels einander in dem Stapel aus Platten (1a, 1b, 1c) der Plattengrupe nicht überlagern.
EP03292594A 2002-12-05 2003-10-17 Wärmetauscherplatte und Plattenwärmetauscher Expired - Lifetime EP1426722B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0215373A FR2848292B1 (fr) 2002-12-05 2002-12-05 Plaque d'un echangeur thermique et echangeur thermique a plaques
FR0215373 2002-12-05

Publications (2)

Publication Number Publication Date
EP1426722A1 EP1426722A1 (de) 2004-06-09
EP1426722B1 true EP1426722B1 (de) 2006-01-18

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EP03292594A Expired - Lifetime EP1426722B1 (de) 2002-12-05 2003-10-17 Wärmetauscherplatte und Plattenwärmetauscher

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US (1) US7044206B2 (de)
EP (1) EP1426722B1 (de)
JP (1) JP2004184075A (de)
AT (1) ATE316235T1 (de)
DE (1) DE60303276T2 (de)
FR (1) FR2848292B1 (de)

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GB521285A (en) * 1937-11-15 1940-05-16 Martin Larsen Improvements in or relating to plate heat exchanging apparatus
GB1339542A (en) * 1970-03-20 1973-12-05 Apv Co Ltd Plate heat exchangers
DE3301211A1 (de) * 1983-01-15 1984-07-26 Funke Wärmeaustauscher Apparatebau KG, 3212 Gronau Plattenwaermeaustauscher
SU1083061A1 (ru) * 1983-02-17 1984-03-30 Всесоюзный Научно-Исследовательский Институт Комплексных Проблем Машиностроения Для Животноводства И Кормопроизводства Пакет пластинчатого теплообменника
SE458805B (sv) * 1985-06-06 1989-05-08 Reheat Ab Plattvaermevaexlare, vari varje platta aer uppdelad i fyra omraaden med sinsemellan olika riktning paa korrugeringarna
SE505225C2 (sv) * 1993-02-19 1997-07-21 Alfa Laval Thermal Ab Plattvärmeväxlare och platta härför
GB0023427D0 (en) * 2000-09-23 2000-11-08 Smiths Industries Plc Apparatus

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DE60303276T2 (de) 2006-07-20
EP1426722A1 (de) 2004-06-09
ATE316235T1 (de) 2006-02-15
FR2848292A1 (fr) 2004-06-11
JP2004184075A (ja) 2004-07-02
US7044206B2 (en) 2006-05-16
FR2848292B1 (fr) 2005-03-04
DE60303276D1 (de) 2006-04-06
US20040188074A1 (en) 2004-09-30

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