WO2013113362A1 - Echangeur thermique - Google Patents

Echangeur thermique Download PDF

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Publication number
WO2013113362A1
WO2013113362A1 PCT/EP2012/051454 EP2012051454W WO2013113362A1 WO 2013113362 A1 WO2013113362 A1 WO 2013113362A1 EP 2012051454 W EP2012051454 W EP 2012051454W WO 2013113362 A1 WO2013113362 A1 WO 2013113362A1
Authority
WO
WIPO (PCT)
Prior art keywords
heat exchanger
plate
fluid
recess
plate element
Prior art date
Application number
PCT/EP2012/051454
Other languages
German (de)
English (en)
Inventor
Marek PYZA
Original Assignee
A-Heat Allied Heat Exchange Technology Ag
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 A-Heat Allied Heat Exchange Technology Ag filed Critical A-Heat Allied Heat Exchange Technology Ag
Priority to PCT/EP2012/051454 priority Critical patent/WO2013113362A1/fr
Priority to JP2014553629A priority patent/JP2015508881A/ja
Priority to EP12701897.6A priority patent/EP2810012A1/fr
Priority to MX2014008724A priority patent/MX2014008724A/es
Priority to CN201280067078.4A priority patent/CN104169670A/zh
Priority to US14/374,052 priority patent/US20150253086A1/en
Publication of WO2013113362A1 publication Critical patent/WO2013113362A1/fr

Links

Classifications

    • 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
    • F28F13/00—Arrangements for modifying heat-transfer, e.g. increasing, decreasing
    • F28F13/06—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media
    • 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
    • F28D1/04—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 tubular conduits
    • F28D1/053—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 tubular conduits the conduits being straight
    • F28D1/0535—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 tubular conduits the conduits being straight the conduits having a non-circular cross-section
    • F28D1/05366—Assemblies of conduits connected to common headers, e.g. core type radiators
    • 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
    • F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D7/16—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged in parallel spaced relation
    • F28D7/1684—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged in parallel spaced relation the conduits having a non-circular cross-section
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F1/00—Tubular elements; Assemblies of tubular elements
    • F28F1/02—Tubular elements of cross-section which is non-circular
    • F28F1/022—Tubular elements of cross-section which is non-circular with multiple channels
    • 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
    • F28D1/04—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 tubular conduits
    • F28D1/053—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 tubular conduits the conduits being straight
    • F28D1/0535—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 tubular conduits the conduits being straight the conduits having a non-circular cross-section
    • F28D1/05366—Assemblies of conduits connected to common headers, e.g. core type radiators
    • F28D1/05383—Assemblies of conduits connected to common headers, e.g. core type radiators with multiple rows of conduits or with multi-channel conduits
    • 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
    • F28D1/04—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 tubular conduits
    • F28D1/053—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 tubular conduits the conduits being straight
    • F28D1/0535—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 tubular conduits the conduits being straight the conduits having a non-circular cross-section
    • F28D1/05366—Assemblies of conduits connected to common headers, e.g. core type radiators
    • F28D1/05391—Assemblies of conduits connected to common headers, e.g. core type radiators with multiple rows of conduits or with multi-channel conduits combined with a particular flow pattern, e.g. multi-row multi-stage radiators
    • 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
    • F28D2001/0253—Particular components
    • F28D2001/026—Cores
    • F28D2001/028—Cores with empty spaces or with additional elements integrated into the cores
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2210/00—Heat exchange 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
    • F28F2210/00—Heat exchange conduits
    • F28F2210/08—Assemblies of conduits having different features
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2260/00—Heat exchangers or heat exchange elements having special size, e.g. microstructures
    • F28F2260/02—Heat exchangers or heat exchange elements having special size, e.g. microstructures having microchannels

Definitions

  • the invention relates to a heat exchanger for the exchange of heat between a refrigerant and a gas, in which it is
  • Heat exchangers are used in refrigerators, e.g. in ordinary
  • a heat exchanger is known for example from US 4876778.
  • the heat exchanger is configured such that cooling water flows within tubes disposed within a plurality of plates and air flows around the plates. Cooling water and air flow into each other in cross flow.
  • the plates provided, which are arranged parallel to each other and are separated by spacers.
  • spacers may be formed, for example, as corrugated sheets.
  • the well-known for a very long time laminated heat exchangers are used, as all types of heat exchangers, for the transfer of heat between two media, eg from a cooling medium to air or vice versa.
  • the flowing inside the channels of the heat exchanger first fluid is referred to as a heat carrier in the sequence.
  • the second flowing around the channels Fluid is referred to below as Transportfluidum.
  • Heat transfer medium as well as the transport fluid can be in liquid or gaseous state. Water, oil, air or a refrigerant may be mentioned as examples for the heat carrier or the transport fluid. One of these media is cooled by the heat transfer accordingly, while the other medium is heated.
  • the transport fluid e.g. the air
  • the heat transfer medium e.g. the coolant or heating medium that circulates within the channels of the heat exchanger. This is compensated by very different heat transfer surfaces for the two media: the medium with the high
  • Outer surface of the channel has an enlarged compared with the inner surface of the channel heat transfer surface at which the
  • the ratio of outer surface to the inner surface of the channel depends on the lamella geometry, which in turn by the
  • Channel diameter the arrangement of the channels and the distance of the channels is determined from each other, as well as the lamellar distance d 'from.
  • Slat spacing d is chosen differently for different applications. However, purely thermodynamically, it should be as small as possible, but not so small that the pressure loss on the side of the transport fluid is too large. An economic optimum is about 2 mm, which is a typical value for condenser and recooler.
  • the efficiency is essentially determined by the fact that the heat that is transferred between the fin surface and the Transportfluidum must be transferred via heat conduction through the fins to the channel. This heat transfer is the more effective, the higher the conductivity or the thickness of the lamella, but also the smaller the distance between the channels.
  • Heat exchangers so-called mini-channel or also
  • Microchannel heat exchangers have been developed that are manufactured using a completely different process, almost laminating the ideal image
  • Heat exchanger correspond. They contain miniature channels or microchannels with a very small diameter, which is of the order of 1 mm. For the production of these mini-channels or micro-channels aluminum extruded profiles are preferably used.
  • a heat exchanger block is constructed from one or more laminated heat exchangers or from one or more microchannel heat exchangers, wherein in each case one inlet side of the
  • Heat exchanger block with a distributor element and an outlet side of the heat exchanger block is soldered pressure-tight with a collecting element.
  • a collecting element At the distributor element and at the collecting element of the one or more
  • connection connection is provided in each case for a heat exchanger block comprising heat exchangers, so that the heat exchanger block can be connected to an external system, e.g. with a chiller like that
  • Heat exchanger can be supplied to the collecting element.
  • the microchannels are arranged in plate elements.
  • the microchannels are substantially parallel to each other and are not connected to each other, so that the heat transfer medium, so the first fluid, the plate member supplied in a microchannel, flows through the plate member in this microchannel and leaves again in the same microchannel.
  • the transport fluid flows crosswise to the microchannels.
  • the transport fluid gives off heat to the heat transfer medium or absorbs heat from the heat transfer medium via the walls of the plate element. Due to the cross flow therefore inlet temperature of the transport fluid differs from its outlet temperature, since on the way through the heat exchanger either heat is absorbed or released. This requires an inhomogeneous
  • An object of the invention is therefore the temperature distribution in
  • Coolant in the flow direction of the gas to uniform.
  • the object of the invention is achieved by a heat exchanger which has the following features:
  • the heat exchanger has a housing which contains a plurality of plate element arrangements.
  • Plate element assemblies contain openings, for example in the form of tubes, which can be flowed through by a first fluid in the operating state. Microchannels may also be provided in the sense of the preceding embodiments. The openings extend within the plate element arrangement at least partially separated from each other. Adjacent plate member assemblies are each spaced apart so that a second fluid can flow in the gap between two adjacent panel member assemblies. The direction of flow of the second fluid is preferably substantially crosswise to the flow direction of the first fluid. This means that the first fluid and the second fluid preferably flow in cross-current to each other.
  • At least one of the plate element arrangements is interrupted by a recess, so that the plate element arrangement at least a first and comprises a second plate element.
  • the second plate member is arranged with respect to the first plate member, that the second
  • Plate member of the first fluid can be flowed through after the first plate member, wherein the recess contains a current-steering element. Within the recess, there is a mixing of the individual streams of the first fluid, which reach the recess via the openings.
  • the recess may be configured such that a plurality of openings opens into the recess at a second end of the first plate element and the first fluid from the recess can in turn be fed into a plurality of openings at a first end of the second plate element.
  • the recess may be configured such that a plurality of tubes, channels or microchannels opens into such a recess at a first end thereof and the first fluid from the recess in turn is fed into a plurality of tubes, channels or microchannels of the second plate member.
  • the recess may contain a static mixer.
  • the recess can be from a
  • Sheath element to be surrounded, which is fluid-tightly connected to the first and the second plate member.
  • Sheath element containing the current-steering element such as grooves and / or have ribs and / or projections.
  • Recess is formed by the second end of the first plate member, the first end of the second plate member and the jacket member, wherein the first plate member and the second plate member having a common center plane and the plate members are arranged with respect to the flow direction of the first fluid in a row.
  • the openings in the plate elements may be formed as channels.
  • the grooves may be arranged at least in sections at an angle to the channels.
  • the grooves may enclose with the channels an angle ranging from 10 ° to 75 ° inclusive, preferably in the range of 10 ° to 60 ° inclusive, more preferably in the range of 10 ° to 45 ° inclusive.
  • the jacket member may include projections which protrude into the recess and
  • the recess extends over between 5 and 40% of the length of the heat exchanger, the length of the
  • Plate elements flowing first fluid is measured.
  • the recess extends substantially over the entire width of the heat exchanger.
  • a mounting element may be provided according to an embodiment for maintaining the distance between two adjacent plate elements.
  • the mounting element may be formed in particular as a wave-shaped, thin-walled spacer element.
  • the invention also relates to a method for operating a heat exchanger according to one of the preceding embodiments, comprising a step in which the first fluid is arranged on its flow path within the plate element arrangement between its entry into the plate
  • the second fluid flows between adjacent plate element arrangements in cross flow to the first fluid.
  • the second fluid thus flows transversely to the first fluid.
  • the first fluid may in particular be a refrigerant.
  • the second fluid may in particular be a gas, advantageously air.
  • the plate members may be formed as profiles in which the refrigerant moves in a plurality of separate parallel channels. Seen in Direction of the first fluid, these channels are for the first fluid
  • the heat transfer differs from one channel to the next channel for several reasons. For one, the driving changes
  • Plate element arrangement may be provided. If a plurality of
  • each of the recesses can be configured
  • the current-steering element included may come to mixing of the second fluid, so that there is a temperature compensation in the second fluid and a uniformization of the temperature profile over the length and the width of the heat exchanger.
  • a heat exchanger can be increased considerably, in particular, if the plate element arrangements have a large width and / or length and / or the flow velocity of the first fluid is small.
  • a heat exchanger according to the invention can be built in a greater length and the number of plate assemblies can be reduced by up to two-thirds over the prior art.
  • FIG. 1 shows a view of a plate element arrangement according to a first exemplary embodiment of the invention
  • FIG. 2 is a view of a stack of plate element assemblies
  • FIG. 3 is a side view of an arrangement of plate elements
  • Fig. 4 is a plan view of the arrangement of plate elements
  • FIG. 6 shows a side view of an arrangement of plate elements according to a second exemplary embodiment
  • Fig. 7 is a plan view of the arrangement of plate elements
  • Fig. 8 is a detail of the side view according to Fig. 6.
  • Fig. 9 is a view of a stack of plate elements
  • FIG. 10 is a view of a plate element arrangement according to the second embodiment of the invention.
  • Fig. 1 illustrates a view of a plate element assembly 2 according to a first embodiment of the invention for a
  • the plate element assembly comprises first
  • Plate element 3 a second plate member 4 and a recess 5, which between the first plate member 3 and the second
  • Plate element 4 is arranged.
  • a first fluid 7 enters into the first plate element 3, flows through the openings 6 in the direction of the recess 5, into the recess 5 and then leaves the recess 5 through the openings 6 of the second plate element 4.
  • the first fluid 7 is a heat carrier and may be either a heating medium or a coolant.
  • the first fluid 7 is preferably in liquid
  • the openings 6 are spaced apart in the first and second plate members 3, 4 so that each of the openings 6 is one of the others Openings separate, shell side closed channel 9 is formed.
  • the channel 9 may in particular have the shape of a tube and / or as a microchannel with the dimensions described in the introduction
  • the first fluid 7 flows through these microchannels, which may have wave-shaped internals, which are not shown in the drawing.
  • the channels 9 may be formed as circular tubes or as oval or quadrangular, in particular rectangular channels, which have been produced from an extruded profile by means of an extrusion process. This allows a variety of microchannels in the
  • Plate element arrangement can be arranged.
  • a material for the channels 9 in particular aluminum or an aluminum alloy has been proven.
  • the first plate member 3 has a first end 16, which is the
  • Openings 6 are arranged at a second end 17 of the first plate element 3.
  • the second plate element 4 has a first end 18, which contains the inlet openings of the openings 6, through which the first fluid 7 is conducted into the second plate element 4.
  • Openings 6 are arranged at a second end 19 of the second plate element 4.
  • the recess 5 is designed such that a plurality of openings 6 at the second end 17 of the first
  • Plate member 3 opens into the recess 5 and the first fluid 7 of the Recess 5 in turn can be fed into a plurality of openings, which are arranged at the first end 18 of the second plate member 4.
  • the recess is one between the first and second
  • Sheath element is surrounded.
  • the recess 5 is from the second end 17 of the first plate member 3, the first end 18 of the second
  • Plate member 19 and the jacket member is formed, wherein the first plate member 3 and the second plate member 4 is a common
  • Flow direction of the first fluid 7 are arranged one behind the other.
  • the jacket element consists of an upper shell part 10 and a lower shell part 11.
  • the upper shell part 10 is shown in the manner of an exploded view in the unassembled state, so that the structure of the lower shell part 1 1 is visible.
  • the jacket element can also be formed in one piece.
  • the first and second plate elements can be subsequently connected to the jacket element, that is, for example, inserted into openings of the jacket element for the first and second plate elements.
  • a fluid-tight connection between the plate element is made possible by a sealing element, by a slight oversize of the plate element relative to the jacket element, or by subsequent welding of jacket element and plate element.
  • the upper shell part 10 and the lower shell part 1 1 have current-steering elements 20.
  • These current-steering elements 20 are formed as ribs 21.
  • only one of the upper or lower shell parts may have ribs 21 and the other of the upper or lower shell parts may have a smooth surface or grooves 23.
  • a plurality of current-steering elements 20 is provided, in particular if the heat exchanger has a large width.
  • a single current-steering element would fulfill the function of a deflection of the flow of the first fluid 7.
  • the current-directing element 20 can at least
  • the current-directing element 20 encloses an angle with the channels 9 ranging from 10 ° to 75 ° inclusive,
  • the current-directing elements 20 of the upper shell portion 10 may include a different angle 27 with the channels 9, as the current-steering elements 20 of the lower shell portion 1 first
  • the angle 27 is shown in Fig. 5.
  • the recess 5 advantageously extends over between 5% and 40% of the length 26 of the heat exchanger, the length 26 of the
  • the recess 5 may extend substantially over the entire width 28 of the heat exchanger 1.
  • the width 28 of the heat exchanger 1 substantially corresponds to the width of
  • FIG. 2 shows a stack of plate element arrangements 2, 12, 22, which form a heat exchanger 1. These plate element assemblies 2, 12, 22 are located in a housing, which is omitted in the illustration in order to better illustrate the operation of the heat exchanger can.
  • Each of the plate element assemblies 2, 12, 22 can be made of the in Fig. 1 and the first and second plate elements 3, 4 and one shown
  • a second fluid 8, also referred to as transport fluid, may flow above and / or below each plate element assembly 2, 12, 22.
  • the second fluid 8, which is usually gaseous, can be heated by means of the heating means or cooled by means of the coolant, depending on the desired mode of operation of the heat exchanger 1.
  • the gap 15, which is traversed by the second fluid 8 may include mounting elements 13, which are shown in Fig. 2 as a corrugated structure.
  • the mounting elements 13 are connected to the respective adjacent
  • Built-in elements may also be formed as ribs or as above lattice structures, net-like structures or contain porous structures. Furthermore, the mounting elements can also be designed as serrated profiles in V or W shape.
  • Fig. 3 shows a side view of a plate element assembly according to the first embodiment.
  • the thickness of the shell element, consisting of upper and lower shell part 10, 1 1 exceeds the thickness of the first and second plate elements 3, 4. This has the consequence that the distance between adjacent plate element assemblies is lower at the point at which the shell element located.
  • installation elements 29 are therefore provided between the jacket elements of adjacent plate element arrangements, which elements have a smaller height than the installation elements 13.
  • FIG. 4 shows a top view of the arrangement of plate elements according to FIG. 3. This view corresponds to the arrangement of FIG. 1 when the upper casing part 10 is removed.
  • the length of the plate element arrangement 2 is defined here as the length of the first and second plate elements 3, 4 and the length of the recess 5, which is not visible here.
  • FIG. 5 is a detail of the plan view according to FIG. 4 and shows a part of the lower jacket element 11 and the ribs 21 which form the current-directing element 20.
  • the width 28 of the plate element assembly is also shown.
  • Fig. 6 shows a side view of a plate element arrangement according to a second embodiment of the invention. This plate element arrangement differs in the construction of the first and second plate elements 3, 4, which instead of channels have a porous structure through which the first fluid 7 can flow.
  • the recess contains as current-directing elements a plurality of projections 25, which
  • These projections may be local elevations, or may be ribs or grooves extending over a portion of the length and / or width of the recess.
  • FIG. 7 is a plan view of the arrangement of plate elements according to FIG. 6 and is constructed analogously to FIG. 3, therefore, see the description of FIG. 3.
  • FIG. 8 shows a detail of the side view according to FIG. 6.
  • the current-directing elements 20 are designed as ribs.
  • the ribs of the upper shell part and the lower shell part come to rest in the installed state.
  • the first fluid can thus flow past only these ribs and is deflected by the ribs and by the deflection and / or
  • Fig. 9 shows a view of a stack of plate elements, similar to Fig. 2. In contrast to Fig. 2, the mounting elements 29 between the
  • Sheath elements of the recesses 5 are shown, which differ in their height from the mounting elements 13, which between the
  • FIG. 10 shows a view of a plate element arrangement according to the second embodiment of the invention.
  • the upper and lower shell parts 10, 11 are shown as a transparent element, so that the projections, which extend across a part of the inner surface of at least one of the shell parts in the form of pairs of ribs, are visible.

Abstract

L'invention concerne un échangeur thermique (1) présentant un boîtier qui contient une pluralité d'agencements d'éléments formant plaques (2, 12, 22). Les agencements d'éléments formant plaques contiennent une pluralité d'orifices (6), des orifices voisins étant séparés les uns des autres. Les orifices sont traversés en état de marche par un premier fluide (7). À l'intérieur de l'agencement d'éléments formant plaques, les orifices sont séparés les uns des autres au moins par section, des agencements voisins d'éléments formant plaques étant placés à distance les uns des autres, de sorte qu'un deuxième fluide (8) peut s'écouler dans l'espace intermédiaire (15) entre deux agencements voisins d'éléments formant plaques (2, 12, 22). Au moins un des agencements d'éléments formant plaques (2, 12, 22) est interrompu par un évidement (5), de sorte que l'agencement d'éléments formant plaques présente au moins un premier élément formant plaque (3) et un deuxième élément formant plaque (4). Le deuxième élément formant plaque (4) est placé par rapport au premier élément formant plaque (3) de telle sorte que le deuxième élément formant plaque (4) peut être traversé par le premier fluide (7) à la suite du premier élément formant plaque (3). L'évidement (5) contient un élément (20) de guidage d'écoulement.
PCT/EP2012/051454 2012-01-30 2012-01-30 Echangeur thermique WO2013113362A1 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
PCT/EP2012/051454 WO2013113362A1 (fr) 2012-01-30 2012-01-30 Echangeur thermique
JP2014553629A JP2015508881A (ja) 2012-01-30 2012-01-30 熱交換器
EP12701897.6A EP2810012A1 (fr) 2012-01-30 2012-01-30 Echangeur thermique
MX2014008724A MX2014008724A (es) 2012-01-30 2012-01-30 Cambiador de calor.
CN201280067078.4A CN104169670A (zh) 2012-01-30 2012-01-30 热交换器
US14/374,052 US20150253086A1 (en) 2012-01-30 2012-01-30 Heat exchanger

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2012/051454 WO2013113362A1 (fr) 2012-01-30 2012-01-30 Echangeur thermique

Publications (1)

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WO2013113362A1 true WO2013113362A1 (fr) 2013-08-08

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PCT/EP2012/051454 WO2013113362A1 (fr) 2012-01-30 2012-01-30 Echangeur thermique

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US (1) US20150253086A1 (fr)
EP (1) EP2810012A1 (fr)
JP (1) JP2015508881A (fr)
CN (1) CN104169670A (fr)
MX (1) MX2014008724A (fr)
WO (1) WO2013113362A1 (fr)

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EP2810012A1 (fr) 2014-12-10
JP2015508881A (ja) 2015-03-23
CN104169670A (zh) 2014-11-26
MX2014008724A (es) 2014-08-29
US20150253086A1 (en) 2015-09-10

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