EP3904816A1 - Échangeur de chaleur à plaques à multiples boucles - Google Patents

Échangeur de chaleur à plaques à multiples boucles Download PDF

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Publication number
EP3904816A1
EP3904816A1 EP19906570.7A EP19906570A EP3904816A1 EP 3904816 A1 EP3904816 A1 EP 3904816A1 EP 19906570 A EP19906570 A EP 19906570A EP 3904816 A1 EP3904816 A1 EP 3904816A1
Authority
EP
European Patent Office
Prior art keywords
heat exchange
channel
fluid
channels
port
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.)
Withdrawn
Application number
EP19906570.7A
Other languages
German (de)
English (en)
Other versions
EP3904816A4 (fr
Inventor
Pierre Olivier PELLETIER
Zhifeng Zhang
Wenjian WEI
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 EP3904816A1 publication Critical patent/EP3904816A1/fr
Publication of EP3904816A4 publication Critical patent/EP3904816A4/fr
Withdrawn legal-status Critical Current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
    • F28D9/0093—Multi-circuit heat-exchangers, e.g. integrating different heat exchange sections in the same unit or heat-exchangers for more than two fluids
    • 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
    • F28F3/08—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
    • F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/02—Header boxes; End plates
    • F28F9/0202—Header boxes having their inner space divided by partitions
    • 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
    • F28F9/0265—Header boxes; End plates with static flow control means, e.g. with means for uniformly distributing heat exchange media into conduits by using guiding means or impingement means inside the header box
    • 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
    • F28F9/027—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 distribution pipes
    • F28F9/0273—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 distribution pipes with multiple holes
    • 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
    • F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
    • F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
    • F28D2021/0068—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for refrigerant cycles

Definitions

  • the present invention relates to the fields of refrigeration, air conditioning, industrial refrigeration, heating, etc., and in particular to a multi-loop plate heat exchanger.
  • a plate heat exchanger For a plate heat exchanger, four ports are generally provided by means of stamping. Two of the ports are used for one working fluid, and the other two ports are used for another working fluid.
  • a plate heat exchanger for use in a multi-loop system has six or more ports. This has the following shortcomings or disadvantages:
  • the purpose of the present invention is to solve at least one aspect of the above problems and defects that exist in the prior art.
  • a multi-loop plate heat exchanger comprises:
  • the at least two fluid channels are separated from each other by means of a separator.
  • At least part of the separator is integrally formed on the corresponding heat exchange plate or independent of the heat exchange plate.
  • the separator comprises a flanging bridge, which is formed by deformation in the region of one of the at least two fluid channels of the corresponding heat exchange plate in the port channel.
  • the at least two fluid channels include a first fluid channel for one of the at least two loops of refrigerant and a second fluid channel for the other of the at least two loops of refrigerant,
  • the first fluid channel holes and the second fluid channel holes are alternately arranged in the extension direction of the port channel.
  • the first fluid channel hole and the second fluid channel hole are located in the respective corresponding fluid channels.
  • At least one of the first fluid channel hole and the second fluid channel hole is provided in an annular member, and at least part of the annular member is integrally formed on the corresponding heat exchange plate or independent of the heat exchange plate.
  • the annular member comprises a flange, which is formed by deformation in the region of one of the at least two fluid channels of the corresponding heat exchange plate in the port channel.
  • part of the annular member is arranged in the first fluid channel, and the other part is arranged in the second fluid channel; the part, arranged in the second fluid channel of the annular member provided with the first fluid channel hole blocks the second fluid channel and the first heat exchange channel; and/or the part, arranged in the first fluid channel of the annular member provided with the second fluid channel hole blocks the first fluid channel and the second heat exchange channel.
  • the annular member provided with the first fluid channel hole is located between the adjacent heat exchange plates that form the first heat exchange channel; and/or the annular member provided with the second fluid channel hole is located between the adjacent heat exchange plates that form the second heat exchange channel.
  • the separator comprises a plurality of baffles which are arranged in the annular member, with ends of the plurality of baffles being connected so as to separate the at least one port channel into the at least two fluid channels.
  • the plate heat exchanger further comprises a port connector connected to the at least one port channel, the port connector comprising at least two connection channels separated by a separation plate, the at least two connection channels being respectively corresponding to and in communication with the at least two fluid channels, thereby forming two passages isolated from each other for inflow or outflow of the refrigerant.
  • Fig. 1 shows a schematic diagram of a port layout of a plate heat exchanger in the prior art.
  • the port arrangement shown in Fig. 1 can be used in a three-loop refrigeration system.
  • Ports 11 and 12 are respectively used as an inlet and an outlet for a first fluid
  • ports 21 and 22 are respectively used as an inlet and an outlet for a second fluid
  • ports 31 and 32 are respectively used as an inlet and an outlet for a third fluid.
  • one port or port channel corresponds to one port connector.
  • two port channels and two port connectors are required for one working fluid, with the port of one of the port channels being an inlet, and the port of the other port channel being an outlet.
  • Such a common design and port layout limit or reduce the effective heat exchange area and strength of the plate heat exchanger, such that it is necessary to expand the ports to increase the heat transfer capacity.
  • the plate heat exchanger in the prior art generally has the shortcomings mentioned in the background art of the present invention.
  • the present invention provides a new inventive concept in order to at least partially alleviate or eliminate these shortcomings.
  • the present invention provides a special port design, in which ports or port channels for at least two working fluids can be joined together.
  • the new special port design can also allow simple pipe connection and make the corresponding refrigeration system have a more compact structure. Further, it can also allow reduction in the number of the port connectors connected thereto, thereby reducing the cost.
  • the present invention provides a port channel, comprising at least two fluid channels, which are separated from each other and used for inflow or outflow of at least two loops of refrigerant.
  • a port channel originally used for one fluid is separated into at least two port channels independent of each other, replacing the at least two port channels with at least two loops of refrigerant in the prior art.
  • the solution of the present invention can increase the effective heat transfer area by means of reducing the number of port channels, and can also simplify the connection complexity of pipes connected to the port channels to a certain extent.
  • the number of distributors and gaskets can be reduced by at least 50%.
  • the solution of the present invention can reduce the cost, simplify the complexity, and also improve the performance of the plate heat exchanger.
  • the present invention aims to expand the effective heat exchange area and simplify the connection between the port connector and the plate heat exchanger without the loss in strength and performance. Therefore, the concept of separating one port channel into at least two fluid channels (e.g., the at least two fluid channels being arranged side by side in the radial direction of the port channel) is proposed.
  • the at least two loops of refrigerant fluid respectively flow through the at least two fluid channels in the port channel and are relatively independent, without causing the refrigerant fluid to mix with each other.
  • the at least two loops of refrigerant fluid referred to in the present invention are not limited to whether the refrigerant fluids are of the same type.
  • the loops of refrigerant fluid may be refrigerant fluids of the same type, or may be refrigerant fluids of different types.
  • the concept of the plate heat exchanger in an embodiment of the present invention is specifically as follows:
  • Fig. 2 shows that, in this embodiment, one port channel as shown in Fig. 1 is separated into two fluid channels, i.e., a first fluid channel and a second fluid channel.
  • the design concept of the present invention is explained and described by taking the example in which one port channel as shown in Fig. 1 is separated into two fluid channels.
  • the one port channel can also be separated into three or more fluid channels, with the configuration or structural arrangement being similar to the case in which the one port is divided into two fluid channels, which will not be illustrated separately by examples.
  • a circular port channel for inflow of the heat exchange medium in the lower left corner is separated into two fluid channels 111 and 121 for inflow of the fluid, and accordingly, a circular port channel for outflow of the heat exchange medium in the upper left corner is separated into two fluid channels 112 and 122 for outflow of the fluid.
  • a circular port channel 131 in the upper right corner is still used for inflow of another fluid
  • a circular port channel 132 in the lower right corner is used for outflow of another fluid, such as a secondary refrigerant.
  • the positions of all port channels are not limited to those shown in the figure.
  • the two fluid channels 131 and 132 arranged on the right side can also be separated into at least two fluid channels by using the design concept of the present invention, and the specific configuration and number can be selected by those skilled in the art according to actual needs.
  • At least one of the port channels where the fluid channels 111 and 121 are located and the port channels where the fluid channels 112 and 122 are located can also be separated into at least three fluid channels, one of which is used for inflow or outflow of the secondary refrigerant, such that the illustrated fluid channels 131 and/or 132 may not be separately provided.
  • the design concept of the present invention is mainly described by taking the port channel for inflow of the fluid as an example. However, the design concept of the present invention can also be applied to the port channel for outflow of the fluid, which will not be repeated in detail.
  • Fig. 3 shows a cross-sectional view of a plate heat exchanger according to an embodiment of the present invention, with a port channel being separated into two fluid channels 111 and 121 by means of a separator 141 such as a baffle and an annular member 142 such as a distribution ring.
  • a separator 141 such as a baffle
  • an annular member 142 such as a distribution ring.
  • the two fluid channels 111 and 121 include a first fluid channel 111 for one of the two loops of refrigerant and a second fluid channel 121 for the other of the loops of refrigerant.
  • the two heat exchange channels include a first heat exchange channel 151 for one of the two loops of refrigerant and a second heat exchange channel 152 for the other of the loops of refrigerant.
  • One distribution ring 142 is arranged in the port channel and at a position corresponding to the heat exchange channels 151 and 152 formed by every two heat exchange plates.
  • One baffle 141 is provided in the middle of each distribution ring 142 to separate the distribution ring into two parts which are isolated from each other in a sealed manner.
  • the plurality of baffles 141 are aligned with one another when being mounted in the port channel, with ends thereof being connected to achieve sealed isolation.
  • the plurality of baffles 141 can also be arranged as a longer single baffle, that is, one end of the baffle is inserted into the plurality of distribution rings 142 to separate the distribution rings into two parts.
  • some of the plurality of distribution rings 142 are arranged in the first fluid channel 111, and the other distribution rings are arranged in the second fluid channel 121. Some distribution rings 142 are located between the adjacent heat exchange plates that form the corresponding first heat exchange channel 151, and the other distribution rings 142 are located between the adjacent heat exchange plates that form the corresponding second heat exchange channel 152.
  • the first fluid channel 111 is in fluid communication with the first heat exchange channel 151 through a first fluid channel hole 1111 provided in the distribution ring 142, and the portion of the distribution ring 142 that is located in the second fluid channel 121 can be used to block the second fluid channel 121 and the first heat exchange channel 151.
  • the second fluid channel 121 is in fluid communication with the second heat exchange channel 152 through a second fluid channel hole 1211 provided in the distribution ring 142, and the portion of the distribution ring 142 that is located in the first fluid channel 111 can be used to block the first fluid channel 111 and the second heat exchange channel 152.
  • the portion of the distribution ring that is located in other fluid channel can be used to block the other fluid channel and the heat exchange channel.
  • part of the distribution ring 142 serves as a distributor, and the other part thereof serves as a gasket for isolation, such that the present invention can reduce the number of distributors and gaskets by at least 50%.
  • first fluid channel holes 1111 and the second fluid channel holes 1211 are also alternately arranged in the extension direction of the port channel (i.e., approximately the top-to-bottom direction of the page of the figure).
  • the first fluid channel hole 1111 and the second fluid channel hole 1211 are located in the respective corresponding fluid channels 151 and 152.
  • first fluid channel 111 is in fluid communication with the first heat exchange channel 151 through the first fluid channel hole 1111
  • second fluid channel 121 is in fluid communication with the second heat exchange channel 152 through the second fluid channel hole 1211.
  • one separation plate 163 is provided in the middle of the port connector 160 to separate the port connector into two connection channels 161 and 162.
  • the two connection channels 161 and 162 are respectively corresponding to and in communication with the two fluid channels 111 and 121, thereby forming two passages isolated from each other for inflow or outflow of the refrigerant.
  • Fig. 4A shows a cross-sectional view of a plate heat exchanger according to another embodiment of the present invention, with a port channel being separated into two fluid channels 111 and 121 by means of a separator 241 that is integrally formed on the corresponding heat exchange plate.
  • the two fluid channels 111 and 121 include a first fluid channel 111 for one of the two loops of refrigerant and a second fluid channel 121 for the other of the loops of refrigerant.
  • the two heat exchange channels include a first heat exchange channel 151 for one of the two loops of refrigerant and a second heat exchange channel 152 for the other of the loops of refrigerant.
  • first fluid channel 111 is in fluid communication with the first heat exchange channel 151 through the first fluid channel hole 1111
  • second fluid channel 121 is in fluid communication with the second heat exchange channel 152 through the second fluid channel hole 1211.
  • first fluid channel holes 1111 and the second fluid channel holes 1211 are also alternately arranged in the extension direction of the port channel (i.e., approximately the top-to-bottom direction of the page of the figure).
  • the first fluid channel hole 1111 and the second fluid channel hole 1211 are located in the respective corresponding fluid channels 151 and 152.
  • Fig. 4A is mainly characterized in that the separator is configured to be integrally formed on the corresponding heat exchange plate, while in Fig. 3 , the separator is formed by a baffle independent of the heat exchange plate.
  • One function of the annular members 142 and 242 is to communicate with one fluid channel and the corresponding heat exchange channel. For example, when the annular member is arranged at an inlet port, the refrigerant is distributed to the corresponding heat exchange channel through the fluid channel hole, and when the annular member is arranged at an outlet port, the annular member can also function to enhance the strength of the port.
  • the annular members 142 and 242 can also block other fluid channels and the heat exchange channels. The position, the function, etc.
  • the annular member 242 in Fig. 4 is configured to be integrally formed on the corresponding heat exchange plate, while the annular member (the distribution ring 142) in Fig. 3 is an independent component. It can be understood that one annular member 242 can be configured such that part of the annular member is integrally formed on the corresponding heat exchange plate, and the other part is an independent component, for example, the independent distribution ring 142 may be a semi-ring. In the plurality of the annular members of the heat exchanger, part of the annular member can be integrally formed on the corresponding heat exchange plate, and the other part is an independent component.
  • the separator 240 comprises a flanging bridge 241.
  • the flanging bridge 241 is formed by deformation in the region of the corresponding heat exchange plate in the port channel (e.g., at the fluid channel).
  • Fig. 4B shows the structure of a flanging bridge 241 used at a first fluid channel 111
  • Fig. 4C shows the structure of a flanging bridge 241 used at a second fluid channel 121.
  • the flanging bridges 241 shown in Figs. 4B and 4C are similar in structure and mainly different in that, when a plurality of heat exchange plates are assembled together, two adjacent heat exchange plates respectively provided with the flanging bridges 241 shown in Figs.
  • the flanging bridges 241 shown in Figs. 4B and 4C can cooperate with each other and achieve sealed isolation for the port channel by means of, for example, welding.
  • annular member 242 is also provided at the position of each heat exchange plate corresponding to the port channel, and at least part of the annular member 242 is integrally formed on the corresponding heat exchange plate.
  • the annular member 242 can also be configured as a separate component independent of the heat exchange plate, and is then welded together with each heat exchange plate.
  • the distribution ring 142 in Fig. 3 is taken as an example.
  • the annular member 242 comprises a plurality of flanges, which are formed by deformation in the region of the corresponding heat exchange plate in the port channel (e.g., at one fluid channel).
  • the flanges of the adjacent heat exchange plates cooperate with each other and are connected together by means of, for example, crimping, welding or bonding.
  • part of the annular member 242 is arranged in the first fluid channel 111 and is located between the adjacent heat exchange plates that form the corresponding first heat exchange channel 151; and accordingly, the remaining part of the annular member 242 is arranged in the first fluid channel 121 and is located between the adjacent heat exchange plates that form the corresponding second heat exchange channel 152.
  • one separation plate 163 is provided in the middle of the port connector 160 to separate the port connector into two connection channels 161 and 162.
  • the two connection channels 161 and 162 are respectively corresponding to and in communication with the two fluid channels 111 and 121, thereby forming two passages isolated from each other for inflow or outflow of the refrigerant.
  • the annular member in Fig. 4A has the function substantially the same as that of the distribution ring shown in Fig. 3 , which will not be described in detail.
  • Fig. 5 shows a cross-sectional view of a plate heat exchanger according to another embodiment of the present invention, only showing the part of the port channel that is separated into two fluid channels.
  • Fig. 5 shows an example of a combination of the annular member in Fig. 4 and the separator shown in Fig. 3 .
  • the separator is not integrally formed on the corresponding heat exchange plate, but is formed by a plurality of baffles.
  • at least part of the annular member is integrally formed on the corresponding heat exchange plate.
  • the plate heat exchanger comprises a plate assembly 300, which is provided with inlet and outlet channels for three working fluids.
  • the plate assembly comprises a first heat exchange plate 301, a second heat exchange plate 302, a third heat exchange plate 303 and a fourth heat exchange plate 304, which have the periphery of the same shape.
  • the heat exchange plates are arranged in such a manner that the first heat exchange plates 301, the second heat exchange plate 302, the third heat exchange plate 303 and the fourth heat exchange plate 304 are sequentially arranged in cycle.
  • a first heat exchange channel 151 for a first fluid R1 to flow through is provided between the first heat exchange plate 301 and the second heat exchange plate 302
  • a second heat exchange channel 152 for a second fluid R2 to flow through is provided between the third heat exchange plate 303 and the fourth heat exchange plate 304
  • third heat exchange channels 153 for a third fluid W to flow through are provided between the second heat exchange plate 302 and the third heat exchange plate 303 and between the fourth heat exchange plate 304 and the adjacent first heat exchange plates 301.
  • the plate assembly 300 further comprises at least one separation space 311 in the port channel and corresponding to the two adjacent first heat exchange channels 151 and two adjacent second heat exchange channels 152, and in the respective fluid channel, the separation space 311 is closed for the other one of the first fluid R1 and the second fluid R2. That is, in the first fluid channel 111, the first fluid R1 flows into the first heat exchange channel 151 through the first fluid flow channel hole 1111, while the second fluid R2 flows into the second heat exchange channel 152 through the second fluid flow channel hole 1211.
  • the annular members 142 for the third heat exchange plate 303 and the fourth heat exchange plate 304 of one separation space 311 and for the first heat exchange plate 301 and the second heat exchange plate 302 of another adjacent separation space are connected to each other at the port channel so as to form an annular contact portion surrounding the port channel.
  • annular contact portion only three annular contact portions in the port channel are shown as an example.
  • four heat exchange plates 301, 302, 303 and 304 are in contact with one another by means of, for example, crimping, welding or bonding.
  • a baffle 141 is provided between the adjacent annular contact portions 314, and the adjacent baffles 141 are connected to each other to separate the port channel into two fluid channels.
  • the fluid flow channel hole can be a depression region integrally formed in the heat exchange plate or a through hole passing through the port channel.
  • the fluid flow channel hole may be of a circular, semi-circular, elliptical, rectangular, trapezoidal and other arbitrary shapes.
  • Figs. 6A and 6B respectively show a structural schematic diagram and a cross-sectional view of a port connector according to the embodiments of the present invention.
  • a separation plate 163 is provided substantially in the middle of the port connector 160.
  • the port connector 160 is not necessarily separated, by means of the separation plate 163, into two approximately equal parts, and may also be separated into two parts of different sizes.

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  • 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)
EP19906570.7A 2018-12-28 2019-12-03 Échangeur de chaleur à plaques à multiples boucles Withdrawn EP3904816A4 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201811632290.6A CN111380386B (zh) 2018-12-28 2018-12-28 多回路板式换热器
PCT/CN2019/122699 WO2020134907A1 (fr) 2018-12-28 2019-12-03 Échangeur de chaleur à plaques à multiples boucles

Publications (2)

Publication Number Publication Date
EP3904816A1 true EP3904816A1 (fr) 2021-11-03
EP3904816A4 EP3904816A4 (fr) 2022-09-14

Family

ID=71127522

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19906570.7A Withdrawn EP3904816A4 (fr) 2018-12-28 2019-12-03 Échangeur de chaleur à plaques à multiples boucles

Country Status (4)

Country Link
US (1) US20220099381A1 (fr)
EP (1) EP3904816A4 (fr)
CN (1) CN111380386B (fr)
WO (1) WO2020134907A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE112020003756T5 (de) * 2019-08-08 2022-04-21 Denso Corporation Wärmetauscher
CN113566619A (zh) * 2021-06-29 2021-10-29 苏州科技大学 一种风电机组齿轮箱变频器集成式冷却系统
CN115507681B (zh) * 2022-09-23 2023-10-24 浙江英特科技股份有限公司 一种板式换热器
WO2024183631A1 (fr) * 2023-03-03 2024-09-12 浙江三花智能控制股份有限公司 Échangeur à plaques

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Publication number Priority date Publication date Assignee Title
GB2056648B (en) * 1979-06-04 1983-09-28 Apv Co Ltd Plate heat exchanger
SE504799C2 (sv) * 1995-08-23 1997-04-28 Swep International Ab Trekrets-värmeväxlare
DE19712599A1 (de) * 1997-03-26 1998-10-01 Voith Turbo Kg Wärmetauscher
SE526409C2 (sv) * 2004-01-09 2005-09-06 Alfa Laval Corp Ab Plattvärmeväxlare
EP1850082A1 (fr) * 2006-04-24 2007-10-31 Sundsvall Energi AB Echangeur de chaleur
CN103090707B (zh) * 2011-10-31 2015-11-25 杭州三花研究院有限公司 板式换热器
US20130213449A1 (en) * 2012-02-20 2013-08-22 Marlow Industries, Inc. Thermoelectric plate and frame exchanger
DE102014001499A1 (de) * 2014-02-06 2015-08-06 Api Schmidt-Bretten Gmbh & Co. Kg Zum Wärme- und/oder Stoffaustausch geeigneter Plattenapparat
CN105466255B (zh) * 2014-09-05 2019-06-21 丹佛斯微通道换热器（嘉兴）有限公司 板式换热器
CN104359337A (zh) * 2014-12-04 2015-02-18 胡甜甜 一种多介质板式换热器
CN107228582A (zh) * 2016-03-25 2017-10-03 丹佛斯微通道换热器（嘉兴）有限公司 板式换热器
SE541355C2 (en) * 2016-12-22 2019-08-13 Alfa Laval Corp Ab A plate heat exchanger with six ports for three different media
CN108253823A (zh) * 2016-12-28 2018-07-06 丹佛斯微通道换热器（嘉兴）有限公司 板式换热器

Also Published As

Publication number Publication date
CN111380386B (zh) 2021-08-27
CN111380386A (zh) 2020-07-07
EP3904816A4 (fr) 2022-09-14
US20220099381A1 (en) 2022-03-31
WO2020134907A1 (fr) 2020-07-02

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