EP4056941A1 - Wärmetauscherplatte für einen plattenwärmetauscher und plattenwärmetauscher - Google Patents

Wärmetauscherplatte für einen plattenwärmetauscher und plattenwärmetauscher Download PDF

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Publication number
EP4056941A1
EP4056941A1 EP20885207.9A EP20885207A EP4056941A1 EP 4056941 A1 EP4056941 A1 EP 4056941A1 EP 20885207 A EP20885207 A EP 20885207A EP 4056941 A1 EP4056941 A1 EP 4056941A1
Authority
EP
European Patent Office
Prior art keywords
ring
heat exchange
belt
plate
exchange 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.)
Pending
Application number
EP20885207.9A
Other languages
English (en)
French (fr)
Other versions
EP4056941A4 (de
Inventor
Zhifeng Zhang
Zhixuan AN
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 EP4056941A1 publication Critical patent/EP4056941A1/de
Publication of EP4056941A4 publication Critical patent/EP4056941A4/de
Pending 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
    • F28F3/02—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
    • F28F3/044—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 pontual, e.g. dimples
    • 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
    • F28F3/086—Elements constructed for building-up into stacks, e.g. capable of being taken apart for cleaning having one or more openings therein forming tubular heat-exchange passages
    • 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
    • F28F3/10—Arrangements for sealing the margins
    • 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
    • F28F2225/00—Reinforcing means
    • F28F2225/04—Reinforcing means for conduits

Definitions

  • the embodiments of the present invention relate to a heat exchange plate for a plate heat exchanger, and a plate heat exchanger.
  • a plate heat exchanger comprises cover plates, heat exchange plates and connecting tubes, etc.
  • An object of the embodiments of the present invention is to provide a heat exchange plate for a plate heat exchanger, and a plate heat exchanger having the heat exchange plate, whereby, for example, the quality of the heat exchange plate of the heat exchanger can be improved.
  • a heat exchange plate for a plate heat exchanger comprising: a heat exchange plate body; and a ring-shaped flange projecting obliquely from an edge of the heat exchange plate body, wherein the flange has a protrusion having a reinforcing action.
  • the flange has an inner side facing the center of the heat exchange plate and an outer side remote from the center of the heat exchange plate, and the protrusion protrudes toward the inner side or outer side of the ring-shaped flange.
  • the flange comprises: a first ring-like belt adjoining the heat exchange plate body; and a second ring-like belt which adjoins the first ring-like belt at a side of the first ring-like belt that is remote from the heat exchange plate body, at least a part of the second ring-like belt protruding relative to the first ring-like belt to form the protrusion.
  • the entire second ring-like belt forms a ring-shaped protrusion; or the protrusion is multiple protrusions arranged at intervals along the second ring-like belt.
  • the flange comprises: a first ring-like belt adjoining the heat exchange plate body; a second ring-like belt which adjoins the first ring-like belt at a side of the first ring-like belt that is remote from the heat exchange plate body; and a third ring-like belt which adjoins the second ring-like belt at a side of the second ring-like belt that is remote from the first ring-like belt, at least a part of at least one of the second ring-like belt and the third ring-like belt protruding relative to the first ring-like belt to form the protrusion.
  • the second ring-like belt protrudes relative to the first ring-like belt to form a ring-shaped protrusion, and the third ring-like belt is flush with the first ring-like belt.
  • the flange has an inner side facing the center of the heat exchange plate and an outer side remote from the center of the heat exchange plate, the second ring-like belt protrudes toward the outer side of the ring-shaped flange relative to the first ring-like belt, the third ring-like belt protrudes toward the outer side of the ring-shaped flange relative to the first ring-like belt, to form a ring-shaped protrusion, and the amount by which the second ring-like belt protrudes relative to the first ring-like belt is less than the amount by which the third ring-like belt protrudes relative to the first ring-like belt.
  • the flange comprises a ring-like flange body, the flange body having a belt shape; the protrusion protrudes from the flange body, and the protrusion is a ring-shaped protrusion extending along the entire ring-like flange body.
  • the protrusion is substantially parallel to the flange body.
  • the flange comprises a ring-like flange body, the flange body having a belt shape; the protrusion protrudes from the flange body, and the protrusion is multiple protrusions arranged at intervals along the ring-like flange body.
  • At least one of the multiple protrusions has a linear shape or a strip-like shape.
  • the at least one of the multiple protrusions crosses the ring-like flange body.
  • the at least one of the multiple protrusions is substantially perpendicular to the ring-like flange body.
  • the at least one of the multiple protrusions extends over the entire width of the belt-shaped flange body.
  • the multiple protrusions have a linear shape or a strip-like shape, a first protrusion of the multiple protrusions is substantially parallel to a part of the ring-like flange body on which the first protrusion is arranged, and a second protrusion of the multiple protrusions is substantially perpendicular to a part of the ring-like flange body on which the second protrusion is arranged.
  • the first protrusion and the second protrusion when viewed in a direction perpendicular to the heat exchange plate body, extend in substantially the same direction.
  • the height of the protrusion is in the range of 0.05 mm - 0.5 mm.
  • the height of the protrusion is in the range of 0.05 mm - 0.2 mm.
  • a plate heat exchanger comprising: multiple heat exchange plates, at least one of the multiple heat exchange plates being the heat exchange plate described above.
  • the multiple heat exchange plates comprise a first heat exchange plate and a second heat exchange plate which are adjacent to each other; a protrusion of a flange of the first heat exchange plate protrudes toward a side remote from a flange of the second heat exchange plate, and a gap is formed between the protrusion of the flange of the first heat exchange plate and the flange of the second heat exchange plate, the gap being filled with solder for soldering the plate heat exchanger, in order to solder together the protrusion of the flange of the first heat exchange plate and the flange of the second heat exchange plate.
  • the heat exchange plate and plate heat exchanger according to embodiments of the present invention can, for example, improve the quality of the heat exchange plate of the heat exchanger.
  • a plate heat exchanger according to an embodiment of the present invention comprises: multiple heat exchange plates 10; and a heat exchange space formed between adjacent heat exchange plates 10 of the multiple heat exchange plates 10.
  • the plate heat exchanger further comprises a cover plate, etc.
  • a heat exchange plate 10 for a plate heat exchanger comprises: a heat exchange plate body 11; and a ring-shaped flange 3 projecting obliquely from an edge of the heat exchange plate body 11, the flange 3 having a protrusion 5 which has a reinforcing action.
  • the flange 3 of this heat exchange plate 10 is in a lap joint with a flange 3 of an adjacent heat exchange plate 10. Through the reinforcing action of the protrusion 5, the strength and rigidity of the flange 3 can be increased.
  • ring-shaped and “ring-like” mentioned herein refer to a shape in which a head end and a tail end are connected to form a closed contour, and do not refer exclusively to a circular shape.
  • the overall shape of the flange 3 depends on the shape of the heat exchange plate 10, and for example is a rectangular ring.
  • the same principle applies to the term “ring-like belt” below.
  • the flange 3 has an inner side facing the center of the heat exchange plate 10 and an outer side remote from the center of the heat exchange plate 10, and the protrusion 5 protrudes toward the inner side or outer side of the ring-shaped flange 3.
  • the flange 3 comprises: a first ring-like belt 31 adjoining the heat exchange plate body 11; and a second ring-like belt 32 which adjoins the first ring-like belt 31 at a side of the first ring-like belt 31 that is remote from the heat exchange plate body 11, at least a part of the second ring-like belt 32 protruding relative to the first ring-like belt 31 to form the protrusion 5.
  • the second ring-like belt 32 comprises the protrusion 5.
  • the protrusion 5 is a ring-shaped protrusion 5 along the entire second ring-like belt 32, and thereby forms a step structure.
  • the protrusion 5 is multiple protrusions 5 arranged at intervals along the second ring-like belt 32.
  • the flange 3 comprises: a first ring-like belt 31 adjoining the heat exchange plate body 11; a second ring-like belt 32 which adjoins the first ring-like belt 31 at a side of the first ring-like belt 31 that is remote from the heat exchange plate body 11; and a third ring-like belt 33 which adjoins the second ring-like belt 32 at a side of the second ring-like belt 32 that is remote from the first ring-like belt 31, at least a part of at least one of the second ring-like belt 32 and the third ring-like belt 33 protruding relative to the first ring-like belt 31 to form the protrusion 5.
  • the second ring-like belt 32 protrudes relative to the first ring-like belt 31 to form a ring-shaped protrusion 5.
  • the flange 3 has an inner side facing the center of the heat exchange plate 10 and an outer side remote from the center of the heat exchange plate 10, the second ring-like belt 32 protrudes toward the outer side of the ring-shaped flange 3 relative to the first ring-like belt 31, the third ring-like belt 33 protrudes toward the outer side of the ring-shaped flange 3 relative to the first ring-like belt 31, to form a ring-shaped protrusion 5, and the amount by which the second ring-like belt 32 protrudes relative to the first ring-like belt 31 is less than the amount by which the third ring-like belt 33 protrudes relative to the first ring-like belt 31; multiple steps are thereby formed, for example multiple ring-shaped steps.
  • the second ring-like belt 32 of the lower heat exchange plate 10 protrudes toward the outer side of the flange 3 relative to the first ring-like belt, and the third ring-like belt 33 is substantially flush with the first ring-like belt 31.
  • the second ring-like belts 32 of the two heat exchange plates 10 protrude toward the outer side and the inner side of the flange 3, respectively, relative to the first ring-like belts, and the third ring-like belts 33 of the two heat exchange plates 10 are both substantially flush with the first ring-like belts 31.
  • the flange 3 comprises a ring-like flange body 30, the flange body 30 having a belt shape; the protrusion 5 protrudes from the flange body 30, and as shown in Figs. 6A - 6C , the protrusion 5 is a ring-shaped protrusion 5 extending along the entire ring-like flange body 30. According to some examples of the present invention, the protrusion 5 is substantially parallel to the flange body 30.
  • the flange 3 comprises a ring-like flange body 30, the flange body 30 having a belt shape; the protrusion 5 protrudes from the flange body 30, and as shown in Figs. 7A - 9C , the protrusion 5 is multiple protrusions 5 arranged at intervals along the ring-like flange body 30.
  • At least one of multiple protrusions 5 has a linear shape or a strip-like shape.
  • at least one of multiple protrusions 5 crosses the ring-like flange body 30.
  • at least one of multiple protrusions 5 is substantially perpendicular to the ring-like flange body 30.
  • at least one of multiple protrusions 5 extends over the entire width of the belt-shaped flange body 30.
  • the multiple protrusions 5 have a linear shape or a strip-like shape, a first protrusion 5A of the multiple protrusions 5 is substantially parallel to a part of the ring-like flange body 30 on which the first protrusion 5A is arranged, and a second protrusion 5B of the multiple protrusions 5 is substantially perpendicular to a part of the ring-like flange body 30 on which the second protrusion 5B is arranged.
  • Fig. 8B when viewed in a direction perpendicular to the heat exchange plate body 11, the first protrusion 5A and the second protrusion 5B extend in substantially the same direction.
  • the height of the protrusion 5 is in the range of 0.05 mm - 0.5 mm; for example, the height of the protrusion 5 is in the range of 0.05 mm - 0.2 mm. It must be noted that the protrusion 5 has been drawn in an exaggerated manner in Figs. 2 - 5 , but as stated above, the protrusion 5 is actually very small, and takes the form of an indentation, so that the thickness thereof is very difficult to see at a larger scale, for example in Figs. 6A and 6C .
  • a plate heat exchanger according to an embodiment of the present invention comprises: multiple heat exchange plates 10, at least one of the multiple heat exchange plates 10 being the heat exchange plate 10 described above.
  • the multiple heat exchange plates 10 comprise a first heat exchange plate 10 (e.g. the upper heat exchange plate 10 of the two heat exchange plates 10 in Figs. 2, 3 , 4 and 5 ) and a second heat exchange plate 10 (e.g. the lower heat exchange plate 10 of the two heat exchange plates 10 in Figs. 2, 3 , 4 and 5 ) which are adjacent to each other.
  • a first heat exchange plate 10 e.g. the upper heat exchange plate 10 of the two heat exchange plates 10 in Figs. 2, 3 , 4 and 5
  • a second heat exchange plate 10 e.g. the lower heat exchange plate 10 of the two heat exchange plates 10 in Figs. 2, 3 , 4 and 5
  • a protrusion 5 of a flange 3 of the first heat exchange plate 10 protrudes toward a side remote from a flange 3 of the second heat exchange plate 10, and a gap 9 is formed between the protrusion 5 of the flange 3 of the first heat exchange plate 10 and the flange 3 of the second heat exchange plate 10, the gap 9 being filled with solder for soldering the plate heat exchanger, in order to solder together the protrusion 5 of the flange 3 of the first heat exchange plate 10 and the flange 3 of the second heat exchange plate 10.
  • the reinforcing effect of the protrusion 5 on the flange 3 can thereby be further improved for example.
  • the protrusion 5 when the protrusion 5 is provided in the flange 3, the protrusion can be formed more easily, and the difficulty of manufacture of the heat exchanger is thereby reduced.

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)
EP20885207.9A 2019-11-08 2020-11-05 Wärmetauscherplatte für einen plattenwärmetauscher und plattenwärmetauscher Pending EP4056941A4 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CN201911093245 2019-11-08
CN201911189174.6A CN112781426B (zh) 2019-11-08 2019-11-27 用于板式换热器的换热板和板式换热器
PCT/CN2020/126738 WO2021088921A1 (zh) 2019-11-08 2020-11-05 用于板式换热器的换热板和板式换热器

Publications (2)

Publication Number Publication Date
EP4056941A1 true EP4056941A1 (de) 2022-09-14
EP4056941A4 EP4056941A4 (de) 2023-11-15

Family

ID=75749225

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20885207.9A Pending EP4056941A4 (de) 2019-11-08 2020-11-05 Wärmetauscherplatte für einen plattenwärmetauscher und plattenwärmetauscher

Country Status (5)

Country Link
US (1) US20220390182A1 (de)
EP (1) EP4056941A4 (de)
CN (1) CN112781426B (de)
MX (1) MX2022005378A (de)
WO (1) WO2021088921A1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113154910A (zh) * 2020-01-22 2021-07-23 丹佛斯有限公司 板式换热器

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE8501599D0 (sv) * 1985-04-01 1985-04-01 Torell Ab Anordning vid en plattvermevexlare
JP2935596B2 (ja) * 1991-09-13 1999-08-16 株式会社日阪製作所 プレート式熱交換器
JPH0882496A (ja) * 1994-09-12 1996-03-26 Hitachi Ltd 積層形熱交換器
DE59600935D1 (de) * 1995-05-10 1999-01-21 Laengerer & Reich Gmbh & Co Plattenwärmetauscher
JP2000105096A (ja) * 1998-09-29 2000-04-11 Hisaka Works Ltd プレート式熱交換器
SE526031C2 (sv) * 2003-10-27 2005-06-21 Alfa Laval Corp Ab Plattvärmeväxlare och värmeöverföringsplatta
JP4944009B2 (ja) * 2004-03-11 2012-05-30 ベール ゲーエムベーハー ウント コー カーゲー 積層ディスク形熱交換器
CN200950015Y (zh) * 2006-06-05 2007-09-19 缪志先 具有介质均分器的肋板式换热器
KR101071351B1 (ko) * 2009-04-27 2011-10-07 한국델파이주식회사 플레이트 열교환기
JP5284303B2 (ja) * 2010-03-24 2013-09-11 三菱電機株式会社 プレート式熱交換器
CN205690942U (zh) * 2016-06-08 2016-11-16 上海加冷松芝汽车空调股份有限公司 一种层叠钎焊板式换热器
DE202016106346U1 (de) * 2016-11-14 2017-01-18 Kaori Heat Treatment Co., Ltd. Sicherheitsplattenwärmetauscher
WO2019190207A1 (ko) * 2018-03-27 2019-10-03 엘지전자 주식회사 판형 열교환기 및 그 제조방법
CN108759531A (zh) * 2018-07-24 2018-11-06 江阴市亚龙换热设备有限公司 高热效能板式换热器

Also Published As

Publication number Publication date
EP4056941A4 (de) 2023-11-15
US20220390182A1 (en) 2022-12-08
CN112781426A (zh) 2021-05-11
MX2022005378A (es) 2022-07-27
WO2021088921A1 (zh) 2021-05-14
CN112781426B (zh) 2023-03-28

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