EP1533585B1 - Wärmetauscher mit Plattenstapel - Google Patents

Wärmetauscher mit Plattenstapel Download PDF

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Publication number
EP1533585B1
EP1533585B1 EP04105885A EP04105885A EP1533585B1 EP 1533585 B1 EP1533585 B1 EP 1533585B1 EP 04105885 A EP04105885 A EP 04105885A EP 04105885 A EP04105885 A EP 04105885A EP 1533585 B1 EP1533585 B1 EP 1533585B1
Authority
EP
European Patent Office
Prior art keywords
category
pipes
heat exchanger
distributors
frame
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.)
Not-in-force
Application number
EP04105885A
Other languages
English (en)
French (fr)
Other versions
EP1533585A3 (de
EP1533585A2 (de
Inventor
Christophe Bouzon
Jean-Antoine Gruss
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.)
Commissariat a lEnergie Atomique et aux Energies Alternatives CEA
Original Assignee
Commissariat a lEnergie Atomique CEA
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 Commissariat a lEnergie Atomique CEA filed Critical Commissariat a lEnergie Atomique CEA
Publication of EP1533585A2 publication Critical patent/EP1533585A2/de
Publication of EP1533585A3 publication Critical patent/EP1533585A3/de
Application granted granted Critical
Publication of EP1533585B1 publication Critical patent/EP1533585B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F7/00—Elements not covered by group F28F1/00, F28F3/00 or F28F5/00
    • F28F7/02—Blocks traversed by passages for 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
    • F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D7/0008—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one medium being in heat conductive contact with the conduits for the other medium
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F1/00—Tubular elements; Assemblies of tubular elements
    • F28F1/02—Tubular elements of cross-section which is non-circular
    • F28F1/022—Tubular elements of cross-section which is non-circular with multiple channels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/001—Casings in the form of plate-like arrangements; Frames enclosing a heat exchange core
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F13/00—Arrangements for modifying heat-transfer, e.g. increasing, decreasing
    • F28F13/18—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by applying coatings, e.g. radiation-absorbing, radiation-reflecting; by surface treatment, e.g. polishing
    • F28F13/185—Heat-exchange surfaces provided with microstructures or with porous coatings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2255/00—Heat exchanger elements made of materials having special features or resulting from particular manufacturing processes
    • F28F2255/16—Heat exchanger elements made of materials having special features or resulting from particular manufacturing processes extruded
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2275/00—Fastening; Joining
    • F28F2275/14—Fastening; Joining by using form fitting connection, e.g. with tongue and groove

Definitions

  • the subject of the invention relates to a plate heat exchanger.
  • Heat exchangers are commonly used in several technical fields, such as transport, air conditioning, thermal or fuel cells. Many families also exist if one considers their structure, or the way the fluid transport channels are constructed and arranged.
  • the heat exchangers of which the invention comprises include plates in which the fluid transport channels are dug.
  • Such a structure offers the advantages of being compact while having good mechanical strength, particularly with regard to high pressure fluids.
  • a recent example is described in the document US 6,467,535 B1 , wherein the plates comprise an outer envelope circumscribing a volume that partitions, in one piece with the envelope, divide into channels of flow of the two fluids.
  • Such plates can be manufactured in one piece by an extrusion process which, together with a sufficient thickness of the envelope and partitions, provides the desired strength.
  • the heat exchanger plate comprises an outer envelope and partitions dividing a volume circumscribed by the envelope in channels, and the envelope has reliefs, the reliefs and channels extending in the same direction longitudinal, a first category of channels extends into the reliefs, and the reliefs and the envelope are cut on a portion in the longitudinal direction by opening the channels of the first category.
  • the reliefs can be established on two opposite sides of the envelope.
  • Plates of this type belong to the known art represented by US-A-4,746,479 and by EP-A-1 471 321 , the latter document being relevant under Article 54 (3) EPC.
  • the heat exchanger according to the invention comprises at least one of these plates in a stack, as well as a frame surrounding the stack and fluid inlet and outlet ducts passing through the frame and communicating with the channels, and it is remarkable in that the conduits comprise on the one hand ducts communicating with the channels of the first category and extending from a first side of the frame, and on the other hand conduits communicating to a second category of channels (separated from the first by the partitions and carrying the other fluid) and extending from a second side of the frame that is different from the first.
  • the frame comprises four rectangular sides, the first side and the second side of which are perpendicular to each other; the last two sides, or one of them, may comprise other fluid inlet and outlet ducts or connecting ducts between two plates.
  • the frame may also simply consist of two independent parts at the ends of the ducts.
  • the lateral sealing of the plates is achieved by assembling the lateral end reliefs thereof.
  • the fundamental advantage of the invention is that the inlet and outlet ducts of two fluids are not intertwined or adjacent, but separate, the ducts leading to the channels extending in the reliefs being placed on a lateral side of the chamber. plate, and the ducts leading to the other channels being placed on a longitudinal end side of the plate.
  • the channels of the two categories may take different forms, but it is advantageous that at least those of the first category have an oblong section, those of the second category having a section of more regular shape.
  • the exchange surface is increased if the channels have delimiting surfaces which are grooved in the longitudinal direction.
  • the plates are advantageously constructed by extrusion.
  • a heat exchanger plate has the section illustrated in Figure 1, with an outer shell 1 comprising periodic reliefs 2 protruding on two main faces 3 and 4 and opposite of this plate 5 and which extend in a longitudinal direction ; the plate 5 further comprises partitions 6 extending from one face 3 to the other 4 under the plumbs of the reliefs 2, and also extending in the longitudinal direction. These partitions 6 delimit channels 7 and 8, of which those of a first category 7 extend under the reliefs 2 and in them, and those of a second category 8 extend between the reliefs 2 alternating with the previous ones.
  • the first category channels 7 have a substantially rectangular or oblong section, and those of the second category 8 have a section of more regular size.
  • FIG. 2 illustrates with the arrows A that a fluid is introduced onto the plate 5 flows, by the notch 10 thus formed, in all the channels of the first category 7, and also, on the second category channels 8, in channels of the third category 9 extending between the reliefs 2.
  • One of the heat exchange fluids will actually follow these paths and the other will flow into the second category channels 8 according to the arrows B.
  • the notch 10 does not reach the channels of the second category 8, the fluids remain separated.
  • FIGS. 3 and 4 which illustrate elliptic first-category channels 7 and circular and elliptical second-category channels 8 respectively;
  • FIG. 5 shows that the channels 7 and 8 may have delimiting walls provided with longitudinal micro-grooves 11 giving them a serrated section which increases the heat exchange surface between the fluids. This provision will therefore be adopted before any on the side walls, which are the faces of the partitions 6.
  • Figures 6 and 7 show a stack of plates 5, the reliefs 2 of stacked plates 5 being in mutual support and closing the sections of the third category channels 9.
  • the exchanger can be completed by a frame 12 assembled around the stack plates 5 (which also includes two end plates, solid, not shown).
  • the frame 12 has four rectangular sides, and adjusts around the plates 5 by connecting to the channels 7 and 8. It is composed of elementary frames 15 of height at least equal to the plates 5, which they respectively surround and which are stacked like them.
  • the channels 8 of the second category are disengaged by machining beyond the notch 10 and fit in slots 40 machined in a first side 14 of the elementary frames 15.
  • a second side 16 of the elementary frames 15, adjacent to the previous it is noted that the heat exchange is effected by all sides of the channels 8 of the second category, to the channels 7 and 9 of first and third category which surround them almost completely, and that is very good.
  • the tightness and cohesion of the heat exchanger are provided by solders or glues 42 between the elementary frames 15.
  • the seal can also be made by welding at the periphery. The addition of gaskets is not necessary elsewhere.
  • the assembly is completed by distributors such as that of FIG. 8.
  • the first side 14 receives an outlet distributor 18 of the second fluid and communicates the second category channels 8 with an outlet duct 19.
  • the second side 16 of the frame 12 receives a third distributor 23, which is an inlet distributor of the first fluid and communicates an inlet conduit 24 to the orifices 41, the notches 10 and the first and third category channels 7 and 9
  • a fourth side 25 of the frame 12 receives an outlet distributor 26 of the first fluid provided with a conduit 27; this distributor 26 is at the longitudinal end opposite the preceding distributor 23 of the stack of the plates 5; the distributors 23 and 26, and their connections and communications, are similar.
  • This device allows a countercurrent flow in the heat exchanger. A cocurrent flow configuration is also possible. Other reasons are obviously possible, and one of them is represented in FIG. 9, where the distributors 18 and 23 are replaced by distributors 28 and 29 each having an inlet duct 30 or 31 and a duct 32 or 33 each of which communicates to a respective portion of the dispenser and a respective group of plates 5 and channels.
  • the other distributors 21 and 26 are replaced by blind boxes 34 and 35 allowing the passage of the respective fluid from one group of plates 5 and channels to the other group.
  • This device therefore allows multipass flow configurations on each of the two fluids. Two groups of plates and channels must of course be separated by a continuous plate.
  • the plates 5 can be constructed by an extrusion process using a suitable material, metal or polymer, which gives them a unitary structure with uniform section, then a simple machining is performed to make the notches 10. It is possible to leave abutments 36 to limit the depression of the plates 5 in the longitudinal ends of the frame 12. It should also be mentioned the possibility, shown in Figure 10, to build the ends of the plates 5 in the transverse direction with complementary shapes 37 and 38, to allow butt jointing resulting in a larger resultant plate.
  • a frame construction 12 completely surrounding the plates 5 is not necessary to construct a heat exchanger. It is possible to use end pieces, placed only at the longitudinal ends of the plates. As in the previous embodiment, it would be possible to stack and assemble parts having the same height as the plates 5.
  • One of these parts, comb-shaped, is shown in Figure 11 at reference 50. It is consisting of a lower reach 43 and teeth 44 se standing on it. The channels 8 of the second category still fit in the crenellations 45, similar to the crenals 40, separating the teeth 44.
  • the plate 5 is held in place by the lower bearing surface 43 of another end piece 50 that is laid on the previous one and who will receive another plate 5.
  • FIG. 12 An end piece 51 in the form of a perforated plate, through which the ends of the channels 8 of the second category pass through all the stack of the plates 5, is illustrated in FIG. 12.
  • This perforated plate 51 is of unitary structure from the 'origin.
  • Dispensers analogous to the above can communicate to channels 7 and 9 of first and third category, even if the lateral sides of the stack of plates 5 are not coated.
  • the junctions of the plates 5 are brazed or glued, no sealing material being necessary.
  • the invention can be applied to channels having a hydraulic diameter of about 0.5 mm, with a low manufacturing cost.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Geometry (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
  • Steering Control In Accordance With Driving Conditions (AREA)

Claims (9)

  1. Wärmetauscher mit einem Stapel Kanäle-begrenzender Platten, Eingangs- und Ausgangsverteilern der Fluide, bei dem wenigstens eine der Platten eine Außenumhüllung (1) und Zwischenwände (6) umfasst, die ein durch die Umhüllung umgrenztes Volumen in Kanäle einer ersten Kategorie (7) und einer zweiten Kategorie (8) aufteilen, wobei die Verteiler mit den Kanälen der ersten Kategorie kommunizierende und mit den Kanälen der zweiten Kategorie kommunizierende Verteiler umfassen und die Kanäle der zweiten Kategorie (8) von den Kanälen der ersten Kategorie (7) durch Zwischenwände (6) getrennt sind,
    dadurch gekennzeichnet, dass die Umhüllung Reliefrippen (2) aufweist, wobei die Reliefrippen und die Kanäle sich in einer selben Längsrichtung erstrecken, die erste Kategorie der Kanäle (7) sich dabei in den Reliefrippen erstreckt und die Reliefrippen und die Umhüllung in Längsrichtung über einen Abschnitt so eingeschnitten sind (10), dass die Kanäle der ersten Kategorie offen sind und mit den Verteilern kommunizieren, die mit den Kanälen der ersten Kategorie (7) kommunizieren.
  2. Wärmetauscher nach Anspruch 1, gekennzeichnet durch die Verwendung eines den Plattenstapel (5) umgebenden Rahmens (12), wobei die Verteiler Verteiler umfassen, die mit Kanälen der ersten Kategorie kommunizieren und sich auf einer ersten Seite des Rahmens erstrecken, und Verteiler, die mit einer zweiten Kategorie der Kanäle kommunizieren und sich auf einer zweiten Seite des Rahmens erstrecken, wobei die Kanäle der zweiten Kategorie (8) von den Kanälen der ersten Kategorie (7) durch die Zwischenwände (6) getrennt sind und die erste Seite und die zweite Seite des Rahmens unterschiedlich sind.
  3. Wärmetauscher nach Anspruch 1, gekennzeichnet durch die Verwendung von Längsenden-Endstücken, wobei die Verteiler Verteiler umfassen, die mit den Kanälen der ersten Kategorie kommunizieren und sich auf einer lateralen Seite des Stapels erstrecken, und Verteiler umfassen, die mit einer zweiten Kategorie der Kanäle kommunizieren und sich auf einem Endstück erstrecken, wobei die Kanäle der zweiten Kategorie (8) von den Kanälen der ersten Kategorie (7) durch Zwischenwände (6) getrennt sind und die erste Seite und die zweite Seite des Rahmens unterschiedlich sind.
  4. Wärmetauscher nach Anspruch 2, dadurch gekennzeichnet, dass der Rahmen rechteckförmig vier Seiten umfasst, wobei die erste Seite und die zweite Seite senkrecht zueinander sind.
  5. Wärmetauscher nach einem der Ansprüche 2 oder 4, dadurch gekennzeichnet, dass der Rahmen (12) durch Elementarrahmen (15) mit derselben Höhe wie die Platten, gestapelt und miteinander verbunden (42), gebildet wird und Kerben (40) als Sitz für freie Enden der Kanäle der zweiten Kategorie und Öffnungen (41) umfasst, angeordnet vor den eingeschnittenen Abschnitten der Reliefrippen und der Umhüllung.
  6. Wärmetauscher nach Anspruch 1, dadurch gekennzeichnet, dass die Kanäle der ersten Kategorie einen länglichen Querschnitt haben.
  7. Wärmetauscher nach einem der Ansprüche 1 oder 6, dadurch gekennzeichnet, dass die Kanäle in Längsrichtung gerillte begrenzende Oberflächen haben.
  8. Wärmetauscher nach einem der Ansprüche 1, 6 oder 7, dadurch gekennzeichnet, dass die Reliefrippen (2) auf den beiden entgegengesetzten Seiten (3, 4) der Umhüllung ausgebildet sind.
  9. Wärmetauscher nach einem der Ansprüche 1, 6, 7 oder 8, dadurch gekennzeichnet, dass die Platte von einheitlicher Struktur, gleichförmigem Querschnitt und stranggepresst ist.
EP04105885A 2003-11-20 2004-11-18 Wärmetauscher mit Plattenstapel Not-in-force EP1533585B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0350865 2003-11-20
FR0350865A FR2862747B1 (fr) 2003-11-20 2003-11-20 Plaque d'echangeur de chaleur, et cet echangeur

Publications (3)

Publication Number Publication Date
EP1533585A2 EP1533585A2 (de) 2005-05-25
EP1533585A3 EP1533585A3 (de) 2006-04-26
EP1533585B1 true EP1533585B1 (de) 2008-01-09

Family

ID=34430105

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04105885A Not-in-force EP1533585B1 (de) 2003-11-20 2004-11-18 Wärmetauscher mit Plattenstapel

Country Status (7)

Country Link
US (1) US7222664B2 (de)
EP (1) EP1533585B1 (de)
AT (1) ATE383561T1 (de)
CA (1) CA2485308A1 (de)
DE (1) DE602004011171T2 (de)
ES (1) ES2299798T3 (de)
FR (1) FR2862747B1 (de)

Cited By (1)

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Publication number Priority date Publication date Assignee Title
US20190186851A1 (en) * 2010-09-22 2019-06-20 Raytheon Company Heat exchanger with a glass body

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DK200600428A (da) * 2005-11-25 2007-05-25 Eurotec London Ltd Modströmsvarmeveksler udfört i rustfrit eller sort stål
GB2481225A (en) * 2010-06-16 2011-12-21 Steven Thomas Barson Heat exchanger particularly for use in the ventilation of buildings
US9227353B2 (en) * 2012-11-08 2016-01-05 Solar Hydronics Corporation Molding apparatus and method for operating same
ITPG20130057A1 (it) * 2013-11-28 2015-05-29 Paolo Lupini Scambiatore di calore tra due fluidi, del tipo in controcorrente, producibile per estrusione
DK178079B1 (en) * 2014-08-11 2015-05-04 Westcome Heat Exchangers As Heat Exchanger
ES2564197B1 (es) * 2014-09-17 2016-10-10 Soler & Palau Research, S.L. Tubo de múltiples conductos para intercambiador de calor
FI20146129A (fi) * 2014-12-22 2016-06-23 Lappeenrannan Teknillinen Yliopisto Lämmönsiirrin
FI20146130A (fi) * 2014-12-22 2016-06-23 Lappeenrannan Teknillinen Yliopisto Lämmönsiirrin
US20170198976A1 (en) * 2016-01-13 2017-07-13 Hamilton Sundstrand Corporation Heat exchangers
WO2020009997A1 (en) 2018-07-05 2020-01-09 Modine Manufacturing Company Battery cooling plate and fluid manifold
US11725889B1 (en) * 2019-02-26 2023-08-15 National Technology & Engineering Solutions Of Sandia, Llc Refractory high entropy alloy compact heat exchanger

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Publication number Priority date Publication date Assignee Title
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Also Published As

Publication number Publication date
DE602004011171D1 (de) 2008-02-21
DE602004011171T2 (de) 2008-12-24
ES2299798T3 (es) 2008-06-01
US20060016587A1 (en) 2006-01-26
US7222664B2 (en) 2007-05-29
ATE383561T1 (de) 2008-01-15
CA2485308A1 (fr) 2005-05-20
FR2862747A1 (fr) 2005-05-27
EP1533585A3 (de) 2006-04-26
FR2862747B1 (fr) 2008-09-05
EP1533585A2 (de) 2005-05-25

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