EP1469270B1 - Echangeur de chaleur à plaques avec des plaques d'échange thermique à double paroi - Google Patents

Echangeur de chaleur à plaques avec des plaques d'échange thermique à double paroi Download PDF

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Publication number
EP1469270B1
EP1469270B1 EP04008894A EP04008894A EP1469270B1 EP 1469270 B1 EP1469270 B1 EP 1469270B1 EP 04008894 A EP04008894 A EP 04008894A EP 04008894 A EP04008894 A EP 04008894A EP 1469270 B1 EP1469270 B1 EP 1469270B1
Authority
EP
European Patent Office
Prior art keywords
heat exchanger
plate
double
exchanger plates
walled
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
EP04008894A
Other languages
German (de)
English (en)
Other versions
EP1469270A1 (fr
Inventor
Peter Dipl.-Ing. Rehberg
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kelvion Brazed PHE GmbH
Original Assignee
GEA WTT GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by GEA WTT GmbH filed Critical GEA WTT GmbH
Priority to PL04008894T priority Critical patent/PL1469270T3/pl
Publication of EP1469270A1 publication Critical patent/EP1469270A1/fr
Application granted granted Critical
Publication of EP1469270B1 publication Critical patent/EP1469270B1/fr
Anticipated expiration legal-status Critical
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
    • F28D9/0043—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
    • 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
    • F28F3/005—Arrangements for preventing direct contact between different heat-exchange media
    • 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
    • F28F3/08—Elements constructed for building-up into stacks, e.g. capable of being taken apart for cleaning
    • 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 is in the field of plate heat exchangers.
  • plate heat exchangers are known with a stack of double-walled heat exchanger plates.
  • the double-walled heat exchanger plates of the stack are permanently connected to one another, in particular by means of soldering, and each have two plate elements with a central heat transfer section and a raised to the plane of the central heat transfer section edge portion.
  • Separate flow spaces for at least two heat exchanger fluids are formed between the double-walled heat exchanger plates.
  • the at least two heat exchanger fluids for heat transfer on each different sides along the central heat transfer sections of the stacked heat exchanger plates are led past each other.
  • the two plate elements come into close contact at least in the region of the central heat transfer section and at least partially in the region of the raised edge section.
  • the two plate elements of a double-walled heat exchanger plate are brought into contact in the region of the central heat transfer section and the raised edge, in that heat exchanger fluid which, due to the leak in one of the plate elements, reaches the raised edge sections between the two plate elements, can exit through an opening between the raised edge sections.
  • heat exchanger fluid which emerges through the leak, visible in the edge region of the heat exchanger plate to the outside.
  • soldering material which is liquid during soldering, should be collected and held with the aid of the known edge design in spacing spaces between the outer, outwardly projecting edges of adjacent plate elements, which belong to two different heat transferring plates arranged one behind the other in the stack.
  • a heat exchanger which is formed from a stack of several superimposed heat exchanger plates.
  • the heat exchanger plates are arranged so that form between them first fürflußsammlung and second flow spaces.
  • the document DE 36 00 656 also discloses a heat exchanger of a plurality of heat exchanger plates.
  • the heat exchange surface of each heat exchanger plate is flushed on one side by a heat exchange means and on the other side by another heat exchange means.
  • the object of the invention is to provide an improved plate heat exchanger with a stack of double-walled heat transfer plates, in which the leak detection is facilitated.
  • the invention includes the idea to provide a plate heat exchanger with a stack of double-walled heat exchanger plates which are permanently interconnected and each having two plate members with a central heat transfer section and a raised to the plane of the central heat transfer section edge portion, wherein between the double-walled heat transfer plates of the stack separate flow spaces for at least two heat exchanger fluids are formed, the two plate elements in the region of the central heat transfer section and the raised edge come at least partially close to the plant, so that heat exchanger fluid, which passes between the plate elements to the superscript edge portions, through an opening between the superscript edge portions can emerge, and at the respective raised edge portion an outer edge is formed.
  • An expedient embodiment of the invention can provide that outer edges of adjacent plate elements of two arranged in the stack next to each other, double-walled heat exchanger plates are each arranged closely adjacent to each other. In this way, the stack-like storage of the plurality of double-walled heat exchanger plates at a predetermined distance from each other is facilitated.
  • a preferred embodiment of the invention provides that adjacent double-walled heat exchanger plates are connected to each other in a fluid-tight manner along adjacent elevated edge sections.
  • FIG. 1 shows a schematic representation of a plurality of successively arranged heat exchanger plates 1, 2, 3, 4, each having through holes 5, 6, 7, 8.
  • the heat exchanger plates 1-4 are each designed as a double-walled heat exchanger plate with two plate elements, which at least in a central heat transfer section 9 closely abut each other to ensure efficient heat transfer between at least two heat exchanger fluids, the inclusion of the through holes 5-8 separate flow chambers in one based on the plurality of heat exchanger plates 1-4 formed plate heat exchanger flow through.
  • This is the usual structure and the usual operation of plate heat exchangers with double-walled heat exchanger plates.
  • the heat exchanger plates 1-4 each in FIG. 1 schematically indicated surface contours 10 on.
  • the heat exchanger plates 1-4 are according to FIG. 1 are rotated alternately by 180 ° in order to space with the aid of the surface contours 10 successively arranged heat exchanger plates from each other, so that the separate flow spaces for the at least two heat exchanger fluids can be formed.
  • FIGS. 2a and 2 B show a schematic representation of a Platten Officerauertragers 20 with a plurality of stacked, double-walled heat transfer plates of the kind as in FIG. 1 are shown schematically in a front and a side view.
  • inflow and outflow nozzles 21, 22 and 23, 24 are provided for introducing / discharging the at least two heat exchanger fluids.
  • FIG. 3 shows a sectional view of a portion in the edge region of Plattendeciremübertragers 20 in FIG. 2a along a line AA '.
  • the heat exchanger plates 30, 31, 32 are shown, which each have two plate elements 33, 34.
  • the two plate elements 33, 34 come into close contact with each other in a central heat transfer section 35, which continues in a region of a respective edge section 36 raised to the plane of the central heat transfer section 35.
  • an outer edge 33a, 34a is formed in each case, which is bent in the illustrated embodiment to the outside.
  • a gap 37 is formed, so that the outer edges 33a, 34a are spaced, preferably so that a capillary-breaking spacing is formed.
  • heat exchanger plates 30, 31, 32 adjacent heat transfer plates 30 and 31 or 31 and 32 are soldered together in the region of the respective raised edge portions 36 with the aid of solder 39.
  • the soldering material 39 can pass through capillary action into an end portion 40 between the outer edges 33a, 34a.
  • the outer edges 34a, 33a of adjacent heat exchanger plates are spaced (not shown).
  • the embodiment described in the region of the outer edges 33a, 34a may be provided for all or only part of the double-walled heat exchanger plates of a plate heat exchanger.

Landscapes

  • 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)

Claims (3)

  1. Echangeur de chaleur à plaques comprenant une pile de plaques d'échangeur de chaleur (30-32) à double paroi, qui sont reliées en permanence les unes aux autres et présentent chacune deux éléments de plaque (33, 34) avec une partie centrale de transfert de chaleur (35) et une partie de bordure (36) surélevée par rapport au plan de la partie centrale de transfert de chaleur (35), des espaces d'écoulement séparés pour au moins deux fluides d'échangeur de chaleur étant formés entre les plaques d'échangeur de chaleur (30-32) à double paroi, les deux éléments de plaque (33, 34) venant au moins partiellement en appui serré dans la zone de la partie centrale de transfert de chaleur (35) et du bord (36) surélevé, de sorte que cependant du fluide d'échangeur de chaleur, qui parvient entre les deux éléments de plaque (33, 34) vers les parties de bordure (36) surélevées, peut sortir par une ouverture entre les parties de bordure (36) surélevées, et un bord (33a, 34a) extérieur est formé sur la partie de bordure (36) surélevée respective, caractérisé en ce que les bords (33a, 34a) extérieurs des deux éléments de plaque (33, 34) des plaques d'échangeur de chaleur (30-32) à double paroi sont espacés à chaque fois.
  2. Echangeur de chaleur à plaques selon la revendication 1, caractérisé en ce que des bords (33a, 34a) extérieurs d'éléments de plaque (33, 34) voisins de deux plaques d'échangeur de chaleur (30, 31 ; 31,32) à double paroi, disposées à proximité dans la pile, sont disposés en s'appliquant de façon serrée les uns contre les autres.
  3. Echangeur de chaleur à plaques selon la revendication 1 ou 2, caractérisé en ce que des plaques d'échangeur de chaleur (30, 31 ; 31, 32) à double paroi voisines sont reliées les unes aux autres de façon étanche au fluide le long de parties de bordure (36) voisines surélevées.
EP04008894A 2003-04-14 2004-04-14 Echangeur de chaleur à plaques avec des plaques d'échange thermique à double paroi Expired - Lifetime EP1469270B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL04008894T PL1469270T3 (pl) 2003-04-14 2004-04-14 Płytowy wymiennik ciepła z dwuściennymi płytami wymiennika ciepła

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10317263 2003-04-14
DE10317263.7A DE10317263B4 (de) 2003-04-14 2003-04-14 Plattenwärmeübertrager mit doppelwandigen Wärmeübertragerplatten

Publications (2)

Publication Number Publication Date
EP1469270A1 EP1469270A1 (fr) 2004-10-20
EP1469270B1 true EP1469270B1 (fr) 2011-02-09

Family

ID=32864483

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04008894A Expired - Lifetime EP1469270B1 (fr) 2003-04-14 2004-04-14 Echangeur de chaleur à plaques avec des plaques d'échange thermique à double paroi

Country Status (11)

Country Link
US (1) US7204297B2 (fr)
EP (1) EP1469270B1 (fr)
CN (1) CN1328563C (fr)
AT (1) ATE498103T1 (fr)
CA (1) CA2463795C (fr)
DE (2) DE10317263B4 (fr)
DK (1) DK1469270T3 (fr)
ES (1) ES2361012T3 (fr)
HK (1) HK1072803A1 (fr)
NZ (1) NZ532299A (fr)
PL (1) PL1469270T3 (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10320812B4 (de) * 2003-05-08 2007-03-01 Gea Wtt Gmbh Plattenwärmeübertrager mit einwandigen und doppelwandigen Wärmeübertragerplatten
JP4039453B1 (ja) * 2005-12-12 2008-01-30 ダイキン工業株式会社 空気調和装置
US20070169916A1 (en) * 2006-01-20 2007-07-26 Wand Steven M Double-wall, vented heat exchanger
SE532524C2 (sv) * 2008-06-13 2010-02-16 Alfa Laval Corp Ab Värmeväxlarplatta samt värmeväxlarmontage innefattandes fyra plattor
US20110024095A1 (en) * 2009-07-30 2011-02-03 Mark Kozdras Heat Exchanger with End Plate Providing Mounting Flange
US9163882B2 (en) 2011-04-25 2015-10-20 Itt Manufacturing Enterprises, Inc. Plate heat exchanger with channels for ‘leaking fluid’
WO2015082350A1 (fr) * 2013-12-05 2015-06-11 Swep International Ab Échangeur de chaleur à résistance améliorée
CN107917629B (zh) * 2016-10-11 2020-12-18 恒丰工程（香港）有限公司 双壁板板壳式换热器及其专用双壁换热板
EP3418662B1 (fr) * 2017-06-22 2020-11-11 HS Marston Aerospace Limited Procédé de fabrication d'un composant d'un échangeur de chaleur
EP3745072A1 (fr) * 2019-05-29 2020-12-02 Nissens Cooling Solutions A/S Échangeur de chaleur de sécurité à double support

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB647699A (en) 1948-06-23 1950-12-20 English Electric Co Ltd Improvements in and relating to plate type heat exchangers
DE3600656A1 (de) 1986-01-11 1987-07-16 Gea Ahlborn Gmbh & Co Kg Waermeaustauscher
EP0327574B1 (fr) * 1986-10-22 1994-04-13 Alfa-Laval Thermal Ab Echangeur de chaleur a plaques, ayant une structure a double paroi
SE467275B (sv) * 1990-05-02 1992-06-22 Alfa Laval Thermal Ab Loedd dubbelvaeggig plattvaermevaexlare med bockade kanter
SE466027B (sv) 1990-05-16 1991-12-02 Alfa Laval Thermal Ab Dubbelvaeggig plattvaermevaexlare med laeckagekanaler tvaers taetningspartierna
US5469914A (en) * 1993-06-14 1995-11-28 Tranter, Inc. All-welded plate heat exchanger
SE9502135D0 (sv) 1995-06-13 1995-06-13 Tetra Laval Holdings & Finance Plattvärmeväxlare
SE509579C2 (sv) 1998-03-11 1999-02-08 Swep International Ab Trekrets-plattvärmeväxlare med särskilt utformade portområden
US6478081B1 (en) 1999-08-04 2002-11-12 Apv North America Inc. Plate heat exchanger
SE514714C2 (sv) * 1999-08-27 2001-04-09 Alfa Laval Ab Lödd plattvärmeväxlare med dubbelväggiga plattor utan inre anliggning mittför lödförbindningarna
SE516844C3 (sv) * 2000-07-07 2002-04-17 Alfa Laval Ab Plattvärme/plattvärmeväxlare med elektriskt uppvärmbara skikt i dubbelväggiga plattelement
DE10320812B4 (de) * 2003-05-08 2007-03-01 Gea Wtt Gmbh Plattenwärmeübertrager mit einwandigen und doppelwandigen Wärmeübertragerplatten

Also Published As

Publication number Publication date
NZ532299A (en) 2004-08-27
US7204297B2 (en) 2007-04-17
HK1072803A1 (en) 2005-09-09
DE10317263A1 (de) 2004-11-04
DK1469270T3 (da) 2011-05-23
ATE498103T1 (de) 2011-02-15
EP1469270A1 (fr) 2004-10-20
CA2463795C (fr) 2009-10-06
CA2463795A1 (fr) 2004-10-14
DE502004012169D1 (de) 2011-03-24
CN1328563C (zh) 2007-07-25
PL1469270T3 (pl) 2011-07-29
ES2361012T3 (es) 2011-06-13
DE10317263B4 (de) 2019-05-29
CN1550745A (zh) 2004-12-01
US20040200607A1 (en) 2004-10-14

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