EP4050294B1 - Heat exchanger plate - Google Patents

Heat exchanger plate Download PDF

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Publication number
EP4050294B1
EP4050294B1 EP22169658.6A EP22169658A EP4050294B1 EP 4050294 B1 EP4050294 B1 EP 4050294B1 EP 22169658 A EP22169658 A EP 22169658A EP 4050294 B1 EP4050294 B1 EP 4050294B1
Authority
EP
European Patent Office
Prior art keywords
heat exchanger
insert
heat transfer
transfer plate
plate
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.)
Active
Application number
EP22169658.6A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP4050294A1 (en
Inventor
Helge Nielsen
Ivan Knudsen
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.)
Danfoss AS
Original Assignee
Danfoss AS
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 Danfoss AS filed Critical Danfoss AS
Publication of EP4050294A1 publication Critical patent/EP4050294A1/en
Application granted granted Critical
Publication of EP4050294B1 publication Critical patent/EP4050294B1/en
Active 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
    • 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
    • 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
    • F28F21/00—Constructions of heat-exchange apparatus characterised by the selection of particular materials
    • F28F21/06—Constructions of heat-exchange apparatus characterised by the selection of particular materials of plastics material
    • 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
    • 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
    • F28F3/083—Elements constructed for building-up into stacks, e.g. capable of being taken apart for cleaning capable of being taken apart
    • 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
    • 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
    • F28F9/002—Casings in the form of plate-like arrangements; Frames enclosing a heat exchange core with fastening means for other structures
    • 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
    • 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
    • F28F9/26—Arrangements for connecting different sections of heat-exchange elements, e.g. of radiators
    • 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
    • F28F2275/08—Fastening; Joining by clamping or clipping
    • 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 present invention relates to a heat exchanger plate comprising a heat exchange area in a heat transfer plate and a mounting rail guiding area at an edge of the heat transfer plate, a recess in the edge, and an insert mounted in the recess, the edge and a mounting rail guiding section is provided in the insert.
  • a heat exchanger plate is used to form a plate-type heat exchanger.
  • a stack of such heat exchanger plates is arranged between two end plates.
  • a support bar or two support bars are used.
  • the heat exchanger plates are mounted on the support bar or support bars. The support bars secure the correct alignment of the heat exchanger plates.
  • GB 2 054 818 A which discloses the features of the preamble of claim 1, shows a heat exchanger plate having a support member in form of a hanging eye.
  • a plate comprises an edge having a recess and a support bar guiding area at an edge of the heat transfer plate. The largest width of the recess in relation parallel to the edge is located at the edge.
  • US 3 360 034 A shows a heat exchanger plate having suspension means which is hinged to the plate by means of a protrusion which is riveted to the plate.
  • the member consists of a simple sheet of metal. Furthermore, the member is not mounted in the recess of the plate.
  • the support bars may however have different designs or shapes. This depends, for example, on the size of the heat exchanger plates, the number of the heat exchanger plates to be assembled or on other reasons. Thus, it is necessary to choose always support bars which fit to the mounting rail guiding area.
  • This object is solved with a heat exchanger plate as described at the outset in that the largest width of the recess in a direction parallel to the edge is located at the heat insert is made of plastic material.
  • the heat exchanger plate can easily be adapted to different shapes or forms of the support bars.
  • the only step necessary is to use the suitable insert, i.e. an insert having a support bar guiding section which is adapted to the support bar or support bars used. Since the largest width of the recess in a direction parallel to the edge is located at the edge, the heat transfer plate itself is not directly guided on the support bar, i.e. the heat transfer plate does not have a geometry engaging behind the support bar. Thus, only the insert has the guiding function.
  • the recess is open to the edge so that the insert can easily be inserted. Since the insert is outside of a fluid flow path and therefore does not come in contact with any fluid, it is made of plastic material.
  • the recess comprises a border having pairs of sections pointing away from the edge, wherein the sections of each pair are arranged parallel to each other or diverge from each other.
  • At least one pair of sections forms an insert guide. The consequence is that the insert is guided in the width direction of the recess so that a precise positioning of the insert in the heat transfer plate is achieved.
  • the insert is in form of a click-on member.
  • the insert can easily be mounted on the heat transfer plate simply by clicking it on the heat transfer plate.
  • parts of the click-on member are arranged on both sides of the heat transfer plate.
  • the insert is reliably held on both sides of the heat transfer plate. This reduces the risk of a separation of heat transfer plate and insert even when the heat exchanger plate is stacked on the support bar or support bars.
  • the heat transfer plate comprises at least one indentation and the click-on member comprises at least one protrusion extending into the indentation.
  • the protrusion comes initially into contact with a surface of the heat transfer plate and upon further movement of the insert towards the heat transfer plate enters the indentation. In this situation, the protrusion and the indentation form a positive locking.
  • the indentation is in form of a through-going opening.
  • the indentation is arranged in a deepened area. A movement of the protrusion in a direction away from the surface of the heat transfer plate can then be kept small.
  • the heat transfer plate comprises at least one step in the support bar guiding area, wherein the insert rests against the step.
  • the step can be formed by deforming the heat transfer plate or simply by providing another protrusion. The step allows a precise positioning of the insert with respect to the heat transfer plate.
  • Fig. 1 schematically shows an arrangement for mounting a plate-type heat exchanger.
  • the heat exchanger comprises a front plate 1 and a rear plate 2.
  • a number of heat exchanger plates 3 is arranged between the front plate 1 and the rear plate 2.
  • the heat exchanger plates 3 are finally arranged in a plate set 4.
  • Gaskets 5 are positioned between adjacent heat exchanger plates 3.
  • support bars are used, i.e. a top support bar 6 and a bottom support bar 7.
  • tie bars 8 are used together with a base profile 9 in order to tighten the stack of plates.
  • the front plate 4 comprises four connections 10, two of the connections 10 belong to a first fluid flow path and the other two of the connections 10 belong to a second fluid flow path.
  • the two fluid flow paths are separated by the heat exchanger plates 3.
  • the heat exchanger plates 3 need a geometry which is adapted to the support bars 6, 7.
  • the geometry of the support bars 6, 7 changes or when other support bars 6, 7 are used, it would be necessary to change the corresponding geometry of the heat exchanger plates 3.
  • the heat exchanger plate 3 comprises a heat transfer plate 11 (parts of which are shown in Fig. 2 and 3 ) and an insert 12.
  • the insert 12 is mounted in a recess 13 of the heat transfer plate 11.
  • the recess 13 is arranged at an edge 14 of the heat transfer plate 11.
  • the recess 13 has the largest width in a direction parallel to the edge 14 at the edge 14.
  • a support bar guiding section 15 is provided in the insert 12.
  • Fig. 2 and 3 show the insert provided for the top support bar 6. However, the same arrangement can be provided at the lower part of the heat exchanger plate 3 in order to adapt the heat exchanger plate 3 to the lower support bar 7.
  • the heat transfer plate 11 does not need any parts engaging with the support bars 6, 7, so that the same geometry of the heat transfer plates 11 can be used independently of the form of the support bars 6, 7. It is only necessary to change the insert 12 when another support bar 6, 7 is used.
  • the recess 13 comprises a first pair of sections 16, 17 pointing away from the edge 14 and a second pair of sections 18, 19 pointing likewise away from the edge 14.
  • the sections 16, 17; 18, 19 of each pair are arranged parallel to each other or diverge slightly from each other. Thus, it is possible to insert the insert 12 into the recess 12 without being hindered by any parts of the heat transfer plate 11.
  • the sections 16, 17 form an insert guide, so that the insert 12 is guided at these sections 16, 17 when the insert 12 is mounted to the heat transfer plate 11.
  • the insert 12 is in form of a click-on member. To this end, the insert comprises taps 20, 21, 22 on one side of the heat transfer plate 11 ( Fig. 2 ) and taps 23-26 on the other side of the heat transfer plate 11 ( Fig. 3 ).
  • the taps 20-22 are provided with protrusions 27-29 which are visible in Fig. 3 .
  • the heat transfer plate 11 comprises a number of indentations 30-32 which are in form of through-going openings so that it is possible to check whether the protrusions 27-29 have entered the indentations 30-32.
  • the taps 23, 26 comprise protrusions 33, 34 which in the mounted state of the insert 12 at the heat transfer plate 11 have entered indentations 35, 36 which are likewise in form of through-going openings, so that it can be checked whether the protrusions 33, 34 have entered the indentations 35, 36.
  • the insert 12 is made of a plastic material.
  • the taps 20-22, 23-26 are slightly deformable, so that the taps 20-22, 23, 26 are pushed away from the heat transfer plate 11 when the insert 12 is pushed onto the heat transfer plate 11.
  • the protrusions 27-29, 33, 34 move along the surfaces of the heat transfer plate 11 until they reach the indentations 30-32, 35, 36 to snap into the indentations 30-32, 35, 36.
  • the heat transfer plate 11 comprises a step 37 (or any other protrusion) against which the insert 12 comes to rest when the insert 12 is mounted on the heat transfer plate 11. Furthermore, the heat transfer plate 11 comprises deepened areas 38-40 in which the indentations 30-32 are arranged. The deepened areas 38-40 are slightly deformed out of the plane of the heat transfer plate 11.
  • deepened areas can be provided on the other side of the heat transfer plate 11.
  • the "deepening” is in this case directed to the other direction.

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)
  • Details Of Heat-Exchange And Heat-Transfer (AREA)
EP22169658.6A 2019-11-07 2020-11-06 Heat exchanger plate Active EP4050294B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DKPA201901301A DK180418B1 (en) 2019-11-07 2019-11-07 Heat exchanger plate
EP20206124.8A EP3819584B1 (en) 2019-11-07 2020-11-06 Heat exchanger plate

Related Parent Applications (2)

Application Number Title Priority Date Filing Date
EP20206124.8A Division EP3819584B1 (en) 2019-11-07 2020-11-06 Heat exchanger plate
EP20206124.8A Division-Into EP3819584B1 (en) 2019-11-07 2020-11-06 Heat exchanger plate

Publications (2)

Publication Number Publication Date
EP4050294A1 EP4050294A1 (en) 2022-08-31
EP4050294B1 true EP4050294B1 (en) 2024-10-16

Family

ID=73172503

Family Applications (2)

Application Number Title Priority Date Filing Date
EP22169658.6A Active EP4050294B1 (en) 2019-11-07 2020-11-06 Heat exchanger plate
EP20206124.8A Active EP3819584B1 (en) 2019-11-07 2020-11-06 Heat exchanger plate

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP20206124.8A Active EP3819584B1 (en) 2019-11-07 2020-11-06 Heat exchanger plate

Country Status (6)

Country Link
EP (2) EP4050294B1 (pl)
CN (1) CN112781428A (pl)
DK (3) DK180418B1 (pl)
FI (2) FI3819584T3 (pl)
PL (2) PL3819584T3 (pl)
RU (1) RU2748770C1 (pl)

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB528223A (en) * 1938-05-07 1940-10-24 Separator Ab A method and arrangements for facilitating the cleaning of plate heat exchangers
GB1079841A (en) * 1965-02-16 1967-08-16 Rosenblads Patenter Ab Improvements in suspension means for heat transferring plates of heat exchangers of the plate type
GB1244724A (en) * 1967-11-17 1971-09-02 Parkson Ind Equipment Company Improvements in or relating to plate heat exchangers
GB2054818B (en) * 1979-07-30 1983-04-20 Apv Co Ltd Heat exchanger plate support
US6973960B1 (en) * 1998-01-16 2005-12-13 Pessach Seidel Flat plate heat exchanger and flat plate therefor
JP4837287B2 (ja) * 2005-02-03 2011-12-14 株式会社ササクラ 蒸発又は凝縮に使用するプレート型熱交換器
SE533583C2 (sv) * 2009-03-13 2010-10-26 Alfa Laval Corp Ab Plattvärmeväxlare
RU132175U1 (ru) * 2013-01-29 2013-09-10 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Волгоградский государственный технический университет" (ВолгГТУ) Пластинчатый теплообменник
DK177634B1 (en) * 2013-03-08 2014-01-13 Danfoss As Fixing gasket in plate type heat exchanger
DE102015220579A1 (de) * 2015-10-21 2017-04-27 Mahle International Gmbh Stapelscheiben-Wärmeübertrager
US10663235B2 (en) * 2018-01-12 2020-05-26 Spx Flow, Inc. Gasket retention system
CN108469200A (zh) * 2018-04-25 2018-08-31 上海加冷松芝汽车空调股份有限公司 一种d型集流管进炉钎焊框架

Also Published As

Publication number Publication date
RU2748770C1 (ru) 2021-05-31
PL4050294T3 (pl) 2025-03-10
CN112781428A (zh) 2021-05-11
DK201901301A1 (en) 2021-04-22
EP4050294A1 (en) 2022-08-31
DK180418B1 (en) 2021-04-22
EP3819584A1 (en) 2021-05-12
DK4050294T3 (da) 2024-11-11
PL3819584T3 (pl) 2024-02-19
EP3819584B1 (en) 2023-08-30
FI4050294T3 (fi) 2025-01-14
FI3819584T3 (fi) 2023-11-27
DK3819584T3 (da) 2023-11-27

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