EP3034978B1 - Plate type heat exchanger with cutted plate - Google Patents

Plate type heat exchanger with cutted plate Download PDF

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Publication number
EP3034978B1
EP3034978B1 EP15160589.6A EP15160589A EP3034978B1 EP 3034978 B1 EP3034978 B1 EP 3034978B1 EP 15160589 A EP15160589 A EP 15160589A EP 3034978 B1 EP3034978 B1 EP 3034978B1
Authority
EP
European Patent Office
Prior art keywords
plate
plates
cut
heat exchanger
type heat
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
EP15160589.6A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3034978A1 (en
Inventor
Byung-Sik Park
Si-Woo Lee
Youngmin YANG
Dong Hyun Lee
Hyouck Ju Kim
Dae Hun Jung
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.)
Korea Institute of Energy Research KIER
Original Assignee
Korea Institute of Energy Research KIER
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Filing date
Publication date
Application filed by Korea Institute of Energy Research KIER filed Critical Korea Institute of Energy Research KIER
Publication of EP3034978A1 publication Critical patent/EP3034978A1/en
Application granted granted Critical
Publication of EP3034978B1 publication Critical patent/EP3034978B1/en
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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
    • F28D9/02—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 heat-exchange media travelling at an angle to one another
    • 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
    • F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
    • F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
    • F28D1/03—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with plate-like or laminated conduits
    • F28D1/0366—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with plate-like or laminated conduits the conduits being formed by spaced plates with inserted elements
    • 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
    • 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
    • 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
    • F28F3/025—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being corrugated, plate-like elements
    • 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
    • F28F3/025—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being corrugated, plate-like elements
    • F28F3/027—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being corrugated, plate-like elements with openings, e.g. louvered corrugated fins; Assemblies of corrugated strips
    • 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
    • F28F3/06—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being attachable to the element
    • 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
    • F28F9/02—Header boxes; End plates
    • F28F9/026—Header boxes; End plates with static flow control means, e.g. with means for uniformly distributing heat exchange media into conduits
    • F28F9/0278—Header boxes; End plates with static flow control means, e.g. with means for uniformly distributing heat exchange media into conduits in the form of stacked distribution plates or perforated plates arranged over end plates
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2240/00—Spacing means

Definitions

  • the present invention relates to a plate type heat exchanger including a cut plate, and more particularly, to a plate type heat exchanger capable of decreasing deformation stress due to a difference in a temperature of heat exchanged heat media.
  • Heat exchangers are apparatuses for exchanging heat of different fluids and changing temperatures and phases of the fluids, and have been widely used today in various technical fields, such as power generation and air conditioning and heating.
  • a method of a plate type heat exchanger among them may exhibit excellent heat exchange efficiency, and decrease a volume and weight of the heat exchanger, so that a related technique has been actively developed.
  • the plate type heat exchanger has a structure in which two heat media flowing along internal flow paths are heat exchanged through internal plates, and both surfaces of each plate are in contact with the heat media having different temperatures.
  • regions around an inlet and outlet for supplying and discharging the heat media into and from the plate type heat exchanger have the greatest difference in a temperature, and this may cause thermal deformation of the plate type heat exchanger due to the difference in a temperature between the two heat media.
  • a heat exchanger in the related art a plurality of plates and a supporting means for fixing an interval between the plates, and supporting and coupling the plates are firmly coupled, so that thermal deformation stress due to a difference in a temperature between heat media is directly transmitted to each element of the plate type heat exchanger, and as a result, there is a problem in that the plate type heat exchanger is damaged.
  • the heat media flowing inside the plate type heat exchanger are heat exchanged while flowing along flow paths, and in this case, when a vortex is generated in the flow of the heat media, heat exchange efficiency of the heat media is increased.
  • a technical object of the present invention is to solve the problem mentioned in the background art, and to provide a plate type heat exchanger capable of decreasing deformation stress due to a difference in a temperature between heat exchanged heat media.
  • a technical solution for solving the technical problem of the present invention is to provide a plate type heat exchanger according to claim 1.
  • the cut plates has a form, in which regions of the cut plates only adjacent to an inlet and an outlet through which the heat media are supplied to and discharged from the first flow path and the second flow path, are cut.
  • the cut plate may be formed by a pillar.
  • the reinforcing part may be formed in a plate form having corrugation that has a height corresponding to an interval at which the plates are spaced apart from each other.
  • the reinforcing part may include a plurality of through holes.
  • the reinforcing cut plates has a form, in which regions of the reinforcing cut plate only adjacent to an inlet and an outlet through which the heat media are supplied to and discharged from the first flow path and the second flow path, are cut.
  • the reinforcing cut plate may be formed in a plate form having corrugation that has a height corresponding to an interval at which the plates are spaced apart from each other.
  • the reinforcing cut plate may include a plurality of through holes.
  • FIG. 1 is a schematic diagram illustrating a first exemplary embodiment of a plate type heat exchanger including cut plates according to the present invention
  • FIG. 2 is an exploded perspective diagram illustrating the first exemplary embodiment of the plate type heat exchanger including cut plates according to the present invention
  • FIG. 3 is a schematic diagram illustrating a modified example of the first exemplary embodiment of the plate type heat exchanger including cut plates according to the present invention.
  • a first exemplary embodiment of a plate type heat exchanger including cut plates according to the present invention may include plates 100, a reinforcing part 200, and cut plates 300.
  • a plurality of plates 100 is disposed so that first flow paths and second flow paths, in which different heat media are heat exchanged and flow, respectively, in the plate type heat exchanger according to the present invention, are repeatedly formed, and may be formed of a material having a high heat transfer rate.
  • the plate 100 may divide spaces of the first flow paths and the second flow paths, which are repeatedly formed in the plate type heat exchanger, and may be formed so that heat energy of the different heat media flowing in the first flow path and the second flow path, respectively, is allowed to pass through, so that the two heat media are heat exchanged with each other.
  • the plate 100 may be adopted without limitations as long as the plurality of the plates 100 is disposed so as to divide the spaces of the first flow paths and the second flow paths, which are repeatedly formed in the plate type heat exchanger, and has a high heat transfer rate to allow the two heat media to be heat exchanged.
  • the reinforcing part 200 is a configuration provided between the plurality of plates 100, and supporting the plates 100 so that the plates 100 are disposed to be spaced apart from each other, and may be formed so as to allow the heat media to flow while having a predetermined thickness.
  • the reinforcing part 200 may be formed in a corrugated plate form having corrugation that has a height corresponding to an interval between the plates 100, which are disposed while being spaced apart from each other.
  • the reinforcing part 200 may be disposed so that a direction, in which the same height is maintained in the corrugation of the reinforcing part 200, is the same as a flow direction F of the heat media so as to prevent the corrugation shape formed in the reinforcing part 200 from blocking the flow of the heat media.
  • the configuration of the reinforcing part 200 is not limited to the present exemplary embodiment, and a material and a shape of the reinforcing part 200 may be varied without limitations as long as the reinforcing part 200 is configured to maintain the interval between the plates 100, support the plurality of plates 100, and allows the heat media to flow.
  • the cut plate 300 is a configuration provided between the plate 100 and the reinforcing part 200, and may be formed in the form in which the plate having a size corresponding to the plate 100 is partially cut.
  • the cut plate 300 may be formed in the form in which regions adjacent to an inlet and an outlet, through which the heat media are supplied to and discharged from the first flow path and the second flow path formed by the plurality of plates 100 when being coupled with the plate 100 and the reinforcing part 200, are cut.
  • the configuration forms the irregular flow paths formed between the plates 100, and thus a vortex is generated while the heat media flow in the flow paths formed between the plates 100, thereby achieving an effect of improving heat exchange efficiency of the heat media.
  • cut plate 300 may also be formed by a pillar for coupling the plate 100 and the reinforcing part 200.
  • the plate 100 and the reinforcing part 200 are coupled by using a pillar formed of copper in order to couple the structure of the plate 100 and the reinforcing part 200 formed of aluminum
  • the plate 100 and the reinforcing part 200 may be coupled by disposing the pillar formed of copper to be partially cut.
  • the pillar may be formed so that regions adjacent to the inlet and the outlet of the heat media are cut similar to the aforementioned cut plate 300.
  • the configuration of the cut plate 300 is not limited to the present exemplary embodiment, and a material and a shape of the cut plate 300 may be varied without limitations as long as the cut plate 300 is provided between and coupled with the plate 100 and the reinforcing part 200, and has a cut part.
  • the flow path in the regions adjacent to the heat media inlet and outlet of each flow path having the greatest difference in a temperature between the two heat media may be irregularly formed, so that it is possible to achieve an effect in that heat exchange efficiency of the heat media is further improved.
  • the coupling of the structure configuring the plate type heat exchanger according to the present invention is relatively lightly formed in the region having the greatest difference in a temperature between the heat media at each flow path, so that it is possible to allow slight thermal deformation of each configuration.
  • FIG. 3 is a schematic diagram illustrating a modified example of the first exemplary embodiment of the plate type heat exchanger including cut plates according to the present invention.
  • a modified example of the first exemplary embodiment of the plate type heat exchanger including cut plates according to the present invention may include plates 100, a reinforcing part 200, and cut plates 300, similar to the aforementioned first exemplary embodiment.
  • the plate 100 and the cut plate 300 have the same configurations as those of the aforementioned first exemplary embodiment, and the configuration of the reinforcing part 200 is basically the same as that of the aforementioned reinforcing part 200, so that detailed descriptions thereof will be omitted.
  • the reinforcing part 200 may include a plurality of through holes 210.
  • the configuration of the through holes 210 enable heat media to pass through the reinforcing part 200, and thus it is possible to achieve an effect in that the heat media more freely flow along flow paths between the plates 100.
  • the flow path may be more irregularly formed by each through hole 210 while the heat media flow along the flow paths between the plates 100.
  • FIG. 4 is an exploded perspective diagram illustrating a second exemplary embodiment of a plate type heat exchanger including a cut plate according to the present invention.
  • a second exemplary embodiment of a plate type heat exchanger including a cut plate according to the present invention may include plates 400 and a reinforcing cut plate 500.
  • the plate 400 has the same configuration as that of the aforementioned plate 100 of the first exemplary embodiment of the plate type heat exchanger including the cut plates according to the present invention, so that a detailed description thereof will be omitted.
  • the reinforcing cut plate 500 is a configuration provided between the plurality of aforementioned plates 400, supporting the plates 400 so that the plates 400 are disposed so as to be spaced apart from each other, and having a cut part, and may be formed so as to allow the heat media to flow while having a predetermined thickness.
  • the reinforcing cut plate 500 may be formed in a corrugated plate form having corrugation that has a height corresponding to an interval between the plates 400 which are disposed while being spaced apart from each other.
  • the reinforcing cut plate 500 may be disposed so that a direction, in which the same height is maintained in the corrugation of the reinforcing cut plate 500, is the same as a flow direction F of the heat media so as to prevent the corrugation shape formed in the reinforcing cut plate 500 from blocking the flow of the heat media.
  • regions of the reinforcing cut plate 500 adjacent to an inlet and an outlet, through which the heat media are supplied to and discharged from a first flow path and a second flow path formed by the plurality of plates 400, may be cut.
  • the configuration forms the irregular flow paths formed between the plates 400, and thus a vortex is generated while the heat media flow in the flow paths formed between the plates 400, thereby achieving an effect of improving heat exchange efficiency of the heat media.
  • the reinforcing cut plate 500 may be formed by a configuration including a combination of a property of the reinforcing part 200 and a property of the cut plate 300 of the aforementioned first exemplary embodiment.
  • the configuration of the reinforcing cut plate 500 is not limited to the present exemplary embodiment, and a material and a shape of the reinforcing cut plate 500 may be varied without limitations as long as the reinforcing cut plate 500 maintains the interval between the plates 400, supports the plurality of plates 400, allows the heat media to flow, and has a cut part.
  • the flow path in the regions adjacent to the heat media inlet and outlet of each flow path having the greatest difference in a temperature between the two heat media may be irregularly formed, similar to the aforementioned first exemplary embodiment, so that it is possible to achieve an effect in that heat exchange efficiency of the heat media is further improved.
  • the coupling of the structure configuring the plate type heat exchanger according to the present invention is relatively lightly formed in the region having the greatest difference in a temperature between the heat media at each flow path, so that it is possible to allow slight thermal deformation of each configuration.
  • the relatively less number of configurations are used compared to the aforementioned first exemplary embodiment, so that it is possible to achieve an effect of reducing time and costs taken for manufacturing the plate type heat exchanger including the cut plate according to the present invention.
  • FIG. 5 is a schematic diagram illustrating a modified example of the second exemplary embodiment of the plate type heat exchanger including the cut plate according to the present invention.
  • a modified example of the second exemplary embodiment of the plate type heat exchanger including the cut plate according to the present invention may include plates 400 and a reinforcing cut plate 500, similar to the aforementioned second exemplary embodiment.
  • the plate 400 has the same configurations as that of the aforementioned second exemplary embodiment, and the configuration of the reinforcing cut plate 500 is basically the same as that of the aforementioned reinforcing cut plate 500, so that detailed descriptions thereof will be omitted.
  • the reinforcing cut plate 500 may include a plurality of through holes 510.
  • the configuration of the through hole 510 enables heat media to pass through the reinforcing cut plate 500, similar to the aforementioned modified example of the first exemplary embodiment, so that it is possible to achieve an effect in that the heat media more freely flow along flow paths between the plates 400.
  • the flow path may be more irregularly formed by each through hole 510 while the heat media flow along the flow paths between the plates 400.
EP15160589.6A 2014-12-15 2015-03-24 Plate type heat exchanger with cutted plate Active EP3034978B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020140180106A KR101644812B1 (ko) 2014-12-15 2014-12-15 단절플레이트를 포함하는 판형 열교환기

Publications (2)

Publication Number Publication Date
EP3034978A1 EP3034978A1 (en) 2016-06-22
EP3034978B1 true EP3034978B1 (en) 2018-01-31

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EP15160589.6A Active EP3034978B1 (en) 2014-12-15 2015-03-24 Plate type heat exchanger with cutted plate

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EP (1) EP3034978B1 (ko)
KR (1) KR101644812B1 (ko)

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JP6785979B2 (ja) * 2017-09-13 2020-11-18 三菱電機株式会社 流路板及び流路板の製造方法
EP3473961B1 (en) 2017-10-20 2020-12-02 Api Heat Transfer, Inc. Heat exchanger
US10465992B2 (en) * 2018-03-16 2019-11-05 Hamilton Sundstrand Corporation Parting sheet in heat exchanger core
US10544997B2 (en) * 2018-03-16 2020-01-28 Hamilton Sundstrand Corporation Angled fluid redistribution slot in heat exchanger fin layer
CN110057217A (zh) * 2019-01-31 2019-07-26 洛阳瑞昌环境工程有限公司 一种换热板片组及板式换热器
KR102191646B1 (ko) * 2020-06-29 2020-12-16 주식회사 한국표준엔지니어링 흡수식 냉온수기
US11940232B2 (en) 2021-04-06 2024-03-26 General Electric Company Heat exchangers including partial height fins having at least partially free terminal edges
US11686537B2 (en) 2021-04-06 2023-06-27 General Electric Company Heat exchangers and methods of manufacturing the same

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Also Published As

Publication number Publication date
KR101644812B1 (ko) 2016-08-03
KR20160072471A (ko) 2016-06-23
EP3034978A1 (en) 2016-06-22

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