WO2006010463A1 - Echangeur thermique a plaques - Google Patents

Echangeur thermique a plaques Download PDF

Info

Publication number
WO2006010463A1
WO2006010463A1 PCT/EP2005/007509 EP2005007509W WO2006010463A1 WO 2006010463 A1 WO2006010463 A1 WO 2006010463A1 EP 2005007509 W EP2005007509 W EP 2005007509W WO 2006010463 A1 WO2006010463 A1 WO 2006010463A1
Authority
WO
WIPO (PCT)
Prior art keywords
heat exchanger
plate heat
channels
plates
housing
Prior art date
Application number
PCT/EP2005/007509
Other languages
German (de)
English (en)
Inventor
Michael Seils
Hans Weitzenbürger
Monika Koschmann
Beate Rosner
Ewald Schneider
Original Assignee
Deutz Aktiengesellschaft
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 Deutz Aktiengesellschaft filed Critical Deutz Aktiengesellschaft
Priority to EP05770113A priority Critical patent/EP1769207B1/fr
Priority to AT05770113T priority patent/ATE430296T1/de
Priority to DE502005007198T priority patent/DE502005007198D1/de
Publication of WO2006010463A1 publication Critical patent/WO2006010463A1/fr

Links

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
    • F28D9/0062—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
    • F28D9/0075—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 the plates having openings therein for circulation of the heat-exchange medium from one conduit to 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
    • F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/007—Auxiliary supports for elements
    • F28F9/0075—Supports for plates or plate assemblies

Definitions

  • the invention relates to a plate heat exchanger, in particular for reciprocating internal combustion engines, with a number of guide channels for a fluid, which are connected in parallel to each other by collecting ducts, wherein the guide channels comprise a pair of plates which are sealingly ver ⁇ together at their edges , In the region of the collecting channels between the plates within the guide channels spacers and outside the guide channels spacers are provided and wherein the collecting ducts on fluid channels in a housing sealingly connectable bar and are sealed at the opposite end and the plate heat exchanger by means of screws on the housing can be fastened.
  • Such a plate heat exchanger is known from EP 0 470 200 B1.
  • the plates have a substantially rectangular shape in a plan view, which are rounded at the narrow sides.
  • spacers and spacers are provided between the plates, which connect to the plates in the region of the collecting ducts End sheets.
  • Both the end plates and the spacers and spacers completely fill the arcuate narrow sides of the plates and have through holes for screws, with which the plate heat exchanger on a Brennkraft ⁇ machine or a housing of an internal combustion engine anschraub ⁇ bar.
  • the plate heat exchanger is arranged on the internal combustion engine or on a housing in such a way that it flows through in the longitudinal direction, then the plates with spacers and spacers filling the full width of the heat exchanger form a broad barrier for the heat exchanger on its narrow side flowing liquid, so that even if the cover of the housing is laterally expanded, an unfavorable flow through the plate heat exchanger is given, the heat exchanger performance is impaired.
  • the plate heat exchanger is firmly clamped by the holes leading through the complete heat exchanger, which also lead through the plates forming the guide channels, to the housing or the internal combustion engine, so that thermal stresses can arise, which then increase the service life of the plate heat exchanger affect.
  • the object of the invention is to improve a generic plate heat exchanger to the effect that it provides a higher heat exchanger performance, in particular when it is hin trim ⁇ flows through. He should continue to be sealing, but not so rigidly arranged on the housing or the internal combustion engine that stresses arise. Finally, he should also be cheaper to manufacture.
  • the object of the invention is achieved in that the plates are rejuvenated in the direction of the collecting channels in their dimensions. Are formed and that in addition to the collecting channels réelle ⁇ half of the plates at least one clamping screw is provided. As a result of this configuration, it is achieved that the plate regions surrounding the collecting channels are designed substantially narrower with spacers and the spacers, so that a good flow through in the longitudinal direction of the heat exchanger is possible. Both the rejuvenation of the plates contributes to the minimum dimension required for the collecting ducts and the arrangement of one or more screws outside the narrow side of the plates, which counteract only a small flow resistance of the liquid flowing through the plate heat exchanger.
  • the plate heat exchanger outside the sealed ends of the collecting ducts, ie on the opposite end of the connection to the fluid channels side each a yoke plate, which is fastened by means of two screws on the housing.
  • the plate heat exchanger is pressed sufficiently firmly against the housing or the internal combustion engine, but there is no forced operation, especially in the region of the sealing surfaces to the fluid channels, which could cause a distortion of the plate heat exchanger.
  • the yoke plate can be placed externally both during installation on the plate heat exchanger, but it can also be attached to the plate heat exchanger, in particular soldered. The distance between the screw holes in the yoke plate is so far away from the sealing surfaces between the plate heat exchanger and the housing or the internal combustion engine that no Ver ⁇ adaptation is to be feared.
  • the yoke plate may each be provided on the housing facing the ends of the collecting channels a mounting plate and connected to the plate heat exchanger.
  • This Befest Trents ⁇ plate serves to seal and the attachment of the heat exchanger to the housing.
  • the mounting plates also have lateral Eyelets in which short screws are arranged. Even if the fastening plates are thus screwed to the housing and a certain forced fixing takes place, the plate heat exchanger arranged above and freely movable nevertheless has sufficient possibilities for stretching and deformation.
  • the plates as seen in plan view, have substantially parallel outer edges, from which taper edges originate on both sides.
  • the angle between the parallel outer walls and the tapering edges is approximately 20 to 30 °, in particular 25 °, and the tapering edges run into a radius between 18 and 28 mm, preferably 23 mm, around the axis of the collecting channels ,
  • a sufficient cross section for the collecting channels and also a sufficient compressive strength in the area of the collecting channels is achieved and nevertheless only one column of approximately 46 mm width directed counter to the liquid is produced, so that a sufficient flow cross section is provided laterally on both sides is made available, which only if long screws are provided, is impaired by these relatively thin screws. With short screws in connection with the fastening plates, there is no impairment whatsoever.
  • the plate heat exchanger has on the housing-side end of the collecting channels each a sealing plate when using yoke plates and long screws or a respective mounting plate, which can be brought into operative connection with at least one each mounted on the housing sealing ring.
  • the sealing plates and the mounting plates are sealingly connected to the plate heat exchanger, preferably with this soldered.
  • a sealing surface is provided which permits different expansions between the plate heat exchanger and the housing.
  • the openings in the sealing plates adjoining the collecting channels are each smaller than the dimensions of the associated fluid channels in the housing, so that precise alignment of the opening in the sealing plate with the dimensions of the fluid channel is not important.
  • the opening in the sealing plate is sufficiently large in order to ensure good flow through the plate heat exchanger.
  • the dimensions of the fluid channel are therefore oversized for the amount of fluid passing through.
  • the nikzy ⁇ lindrisch shaped fluid channel has a diameter of 28 mm when a circular cylindrical opening in the sealing plate or a nik ⁇ cylindrical cross section of the collecting channels have a diameter of 20 mm.
  • a bridge is provided outside the 29los ⁇ senen ends of the collecting channels, which is secured by screws to the housing.
  • the bridge is a one-piece fastening part, which rests preferably on the upper plate of Plat ⁇ tenkorleyers and can be particularly easily aligned, for example by appropriate design of the bridge with centering to the plate heat exchanger.
  • this bridge is attached to the housing with four screws, but it may optionally be sufficient to provide only two diagonally opposite screws on the collecting channels.
  • the attachment of the plate heat exchanger with above the upper flap arranged yoke plates or the bridge also has the advantage that correspondingly long screws are used, which also have a corresponding large elongation.
  • a spring element is provided outside the closed ends of the collecting ducts, which is supported on a lid covering the plate heat exchanger and presses the plate heat exchanger against the housing.
  • This spring element can be provided centrally in the middle of the plate heat exchanger between the two collection channels.
  • two spring elements are provided which are each arranged in the region of the collecting channels between the uppermost plate of the plate heat exchanger and the lid.
  • the one or more spring elements are preferably fixed to the plate heat exchanger or the cover by a suitable device, so that during assembly a defi ⁇ ned position is ensured.
  • the length of the spring elements is dimensioned such that in the unloaded state, the fastening screws of the cover can be inserted straight into the corresponding threaded holes in the housing and exert at full Ewear ⁇ hen of these screws in the threaded holes, the spring elements such a pressure that the plate heat exchanger against • the housing is pressed.
  • the screws, which are necessary in the attachment with yoke plates or bridge can basically be omitted when using the spring element PHg, but it is vorgese ⁇ with these screws centering to attach to the housing, the centering cooperate laterally with the sealing plates and ensure a defined mounting position of Platten ⁇ heat exchanger.
  • a central fastening element which engages in the fluid channel can be used in each collecting channel.
  • This fastening element is inserted through the collecting channel from the side facing away from the housing, wherein then of course at this point - ie in the uppermost plate - an opening is provided which is closed after installation with a sealing plug.
  • the fastener may be formed as a hollow screw, which on a support flange of the bottom plate rests. Alternatively, the screw may extend through the entire collection channel and be supported on the outside of the top plate. In this embodiment, the otherwise required lid can be integrated into the hollow screw.
  • guide devices for example in the form of catch plates, are attached to the plate heat exchanger, which are aligned with the flow channel from which the cooling liquid is supplied.
  • These guide devices are designed so that they cause a particularly intensive and efficient flow through the plate heat exchanger with the liquid.
  • the guide devices may be formed straight or laterally biased on the lid, so that the liquid supplied is inevitably passed through the plate heat exchanger.
  • the length of the guide devices is optimized depending on the design.
  • FIG. 2 shows a partial section through a housing with cover of a combustion engine and side view of the plate heat exchanger
  • FIG. 3 shows a section through the lid and the housing with partial section through the plate heat exchanger according to the line A-
  • FIG. 4 is a partial plan view of the lid with a dashed darge plate heat exchanger
  • Fig. 5 is a partial plan view of the lid as shown in FIG. 4, wherein lateral guide devices are ange ⁇ introduced to the plate heat exchanger and
  • FIG. 6 shows a section through the cover as in FIG. 3 with an alternative fastening
  • 1 generally designates a plate heat exchanger which has a larger number of guide channels designated by 2, which are composed of plates 3a and 3b.
  • the guide channels 2 are connected to each other at the ends of the plates 3a and 3b by means of collecting channels 4a and 4b, so that the guide channels are shown connected in parallel to each other in terms of flow.
  • spacers 5 are inserted within the guide channels and spacers 6 are provided between the plates 3 a and 3 b outside the guide channels.
  • the plates 3a and 3b, the spacers 5 and the spacers 6 are connected to each other soldered, so that results in a compact plate heat exchanger.
  • the plates 3a and 3b have on the surfaces of the plates distributed nubs 7, which serve to increase the stability and the improvement of the heat transfer between the plate heat exchanger 1 flowing around the liquid and the plate heat exchanger 1 Weg ⁇ flowing fluid.
  • a sealing plate 9 is soldered to the plate 3a in the region of the collecting channels 4a and 4b, a yoke plate 10 being soldered to the opposite side in the region of the collecting channels 4a and 4b.
  • the yoke plate 10 has lateral eyelets which laterally project beyond the collecting channels 4a and 4b. Screws 11 are guided through the eyelets, which are screwed into a housing, not shown, of an internal combustion engine (not shown).
  • a fluid channel 13 is formed in each case between the threaded holes in the housing 12 of the screws 11 and is connected to a fluid circuit, not shown, of the internal combustion engine.
  • a fluid circuit not shown, of the internal combustion engine.
  • O-rings 14a and 14b are used around the fluid channels 13 around 12 grooves. These O-rings 14a and 14b are in operative connection with the sealing plates 9, so that in conjunction with the bias of the screws 11, a tight connection of the collecting channels 4a and 4b to the fluid channels 13 results.
  • the cross sections of the fluid channels 13 are larger than the cross sections of the collecting channels 4a and 4b or of the openings in the sealing plates 9, so that assembly tolerances between the plate heat exchanger 1 and the housing 12 or different Deh ⁇ voltages can be compensated to each other.
  • flow channels 15 are incorporated in the housing 12, through which a liquid is supplied and removed, which flows around the plate heat exchanger 1 on its outer surfaces.
  • Narrow spacers within the guide channels and narrow spacers outside the guide result from the tapered edges denoted by 16, which are drawn together with respect to the outer edges 17 of the plates 3a and 3b to a small radius of the plates in the region of the collecting channels 4a and 4b Channels, so that only a relatively thin column of fluid from the flow channels 15 opposes and a favorable flow along the plate heat exchanger 1 is given.
  • the screws 11 impede the flow only slightly, since there are passages between the screws and the spacers 6 (see FIG. 3, left side).
  • the plate heat exchanger is surrounded by a cover 18, which is sealingly connected to the housing 12.
  • Fig. 5 shows the same section as Fig. 4, here in addition to the plate heat exchanger 1 to the outer edges 17 side and / or upper guide devices 20 are mounted, which are aligned with the feeding flow channel 15 in.
  • the guide devices 21 can - as shown - be formed straight or also create the side walls or the roof wall of the lid 18 under tension.
  • FIG. 6 shows an alternative attachment method, wherein the plate heat exchanger 1 is pressed against the housing 12 by a spring element 19, which is arranged between the plate heat exchanger 1 and the upper part of the cover 18.

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)
  • Polishing Bodies And Polishing Tools (AREA)
  • Polarising Elements (AREA)

Abstract

L'invention concerne un échangeur thermique à plaques (1) comprenant une pluralité de conduits de guidage d'un fluide (2) qui, via des conduits collecteurs (4a, 4b) sont montés parallèlement entre eux, les canaux de guidage (2) présentant une paire de plaques (3a, 3b), assemblées de façon étanche mutuellement à leurs bords ; des pièces d'écartement (5) étant prévues, dans la zone des conduits collecteurs (4a, 4b) entre les plaques (3a, 3b) à l'intérieur des conduits de guidage (2), des espaceurs (6) étant prévus à l'extérieur desdits conduits de guidage (2) ; les conduits collecteurs (4a, 4b) peuvent être raccordés de façon étanche aux conduits de fluide (13), dans un support (12), et sont fermés à leurs extrémité opposées ; et l'échangeur thermique à plaques (1) peut être fixé au support (12) au moyen de boulons (11). L'invention est caractérisée en ce que les plaques (3a, 3b) sont formées de manière à s'amincir en dimensions, en direction des conduits collecteurs (4a, 4b), et en ce qu'il est prévu, à proximité des conduits collecteurs (4a, 4b), extérieurement aux plaques (3a, 3b), respectivement, au moins un boulon (11).
PCT/EP2005/007509 2004-07-22 2005-07-12 Echangeur thermique a plaques WO2006010463A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP05770113A EP1769207B1 (fr) 2004-07-22 2005-07-12 Echangeur thermique a plaques
AT05770113T ATE430296T1 (de) 2004-07-22 2005-07-12 Platten-wärmetauscher
DE502005007198T DE502005007198D1 (de) 2004-07-22 2005-07-12 Platten-wärmetauscher

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004035448.0 2004-07-22
DE102004035448A DE102004035448A1 (de) 2004-07-22 2004-07-22 Platten-Wärmetauscher

Publications (1)

Publication Number Publication Date
WO2006010463A1 true WO2006010463A1 (fr) 2006-02-02

Family

ID=35124693

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2005/007509 WO2006010463A1 (fr) 2004-07-22 2005-07-12 Echangeur thermique a plaques

Country Status (4)

Country Link
EP (1) EP1769207B1 (fr)
AT (1) ATE430296T1 (fr)
DE (2) DE102004035448A1 (fr)
WO (1) WO2006010463A1 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1785609A1 (fr) * 2005-11-11 2007-05-16 Modine Manufacturing Company Échangeur de chaleur à plaques, en particulier refroidisseur d'air de suralimentation
US8261816B2 (en) 2003-12-19 2012-09-11 Modine Manufacturing Company Heat exchanger with flat tubes
US8424592B2 (en) 2007-01-23 2013-04-23 Modine Manufacturing Company Heat exchanger having convoluted fin end and method of assembling the same
DE102016100305A1 (de) * 2016-01-11 2017-07-13 Hanon Systems Anordnung zur Ladeluftkühlung
WO2018132346A1 (fr) * 2017-01-12 2018-07-19 Modine Manufacturing Company Appareil de guidage/direction pour écoulement de fluide
CN111819403A (zh) * 2018-03-07 2020-10-23 达纳加拿大公司 带有一体式电加热元件和多个流体流动通路的热交换器

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE532084C2 (sv) 2007-05-10 2009-10-20 Alfa Laval Corp Ab Plattvärmeväxlare
CN101691973B (zh) * 2009-10-20 2011-04-13 江苏宝得换热设备有限公司 一种板式换热器
DE102013014434A1 (de) * 2013-08-30 2015-03-05 Modine Manufacturing Company Gelöteter Wärmetauscher
DK2886994T3 (en) 2013-12-20 2016-10-03 Alfa Laval Corp Ab PLATE HEAT EXCHANGERS WITH ASSEMBLY FLANGES
FR3053453B1 (fr) * 2016-06-29 2019-07-05 Liebherr-Aerospace Toulouse Sas Dispositif d'echange thermique comprenant au moins un dispositif raidisseur, systeme de conditionnement d'air et vehicule

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0232231A1 (fr) * 1986-02-07 1987-08-12 Fonderie E Officine San Giorgio Pra S.P.A. Echangeur de chaleur spécialement adapté pour la récupération de chaleur de gaz humides
US5184673A (en) * 1989-04-28 1993-02-09 Torell Ab Plate heat exchanger and method for its manufacture

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4403144C3 (de) * 1994-02-02 2002-05-29 Laengerer & Reich Gmbh & Co Plattenwärmeaustauscher
WO2002027257A1 (fr) * 2000-09-28 2002-04-04 Dantherm Hms A/S Echangeur de chaleur comprenant des elements de plaque munis de conduits spirales
US20030145979A1 (en) * 2002-02-05 2003-08-07 Beddome David Wilson Heat exchanger having variable thickness tie rods and method of fabrication thereof
SE522500C2 (sv) * 2002-09-17 2004-02-10 Valeo Engine Cooling Ab Anordning vid en plattvärmeväxlare

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0232231A1 (fr) * 1986-02-07 1987-08-12 Fonderie E Officine San Giorgio Pra S.P.A. Echangeur de chaleur spécialement adapté pour la récupération de chaleur de gaz humides
US5184673A (en) * 1989-04-28 1993-02-09 Torell Ab Plate heat exchanger and method for its manufacture

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8261816B2 (en) 2003-12-19 2012-09-11 Modine Manufacturing Company Heat exchanger with flat tubes
EP1785609A1 (fr) * 2005-11-11 2007-05-16 Modine Manufacturing Company Échangeur de chaleur à plaques, en particulier refroidisseur d'air de suralimentation
US8016025B2 (en) 2005-11-11 2011-09-13 Modine Manufacturing Company Heat exchanger and method of mounting
US8424592B2 (en) 2007-01-23 2013-04-23 Modine Manufacturing Company Heat exchanger having convoluted fin end and method of assembling the same
US9395121B2 (en) 2007-01-23 2016-07-19 Modine Manufacturing Company Heat exchanger having convoluted fin end and method of assembling the same
DE102016100305A1 (de) * 2016-01-11 2017-07-13 Hanon Systems Anordnung zur Ladeluftkühlung
JP2018529924A (ja) * 2016-01-11 2018-10-11 ハンオン システムズ 過給気冷却装置
US10955196B2 (en) 2016-01-11 2021-03-23 Hanon Systems Supercharged air cooling apparatus
WO2018132346A1 (fr) * 2017-01-12 2018-07-19 Modine Manufacturing Company Appareil de guidage/direction pour écoulement de fluide
CN111819403A (zh) * 2018-03-07 2020-10-23 达纳加拿大公司 带有一体式电加热元件和多个流体流动通路的热交换器

Also Published As

Publication number Publication date
DE502005007198D1 (de) 2009-06-10
DE102004035448A1 (de) 2006-02-16
EP1769207B1 (fr) 2009-04-29
EP1769207A1 (fr) 2007-04-04
ATE430296T1 (de) 2009-05-15

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