WO2016102045A1 - Échangeur de chaleur de type noyau-enveloppe à dispositif de guidage pour assurer une meilleure répartition du fluide dans la chambre de séparation - Google Patents

Échangeur de chaleur de type noyau-enveloppe à dispositif de guidage pour assurer une meilleure répartition du fluide dans la chambre de séparation Download PDF

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Publication number
WO2016102045A1
WO2016102045A1 PCT/EP2015/002461 EP2015002461W WO2016102045A1 WO 2016102045 A1 WO2016102045 A1 WO 2016102045A1 EP 2015002461 W EP2015002461 W EP 2015002461W WO 2016102045 A1 WO2016102045 A1 WO 2016102045A1
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WO
WIPO (PCT)
Prior art keywords
heat exchanger
medium
guide elements
guide
plate 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.)
Ceased
Application number
PCT/EP2015/002461
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German (de)
English (en)
Inventor
Stefan Kayser
Steffen Brenner
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.)
Linde GmbH
Original Assignee
Linde GmbH
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 Linde GmbH filed Critical Linde GmbH
Publication of WO2016102045A1 publication Critical patent/WO2016102045A1/fr
Anticipated expiration legal-status Critical
Ceased 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
    • F28D9/0006—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 plate-like or laminated conduits being enclosed within a pressure vessel
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B39/00—Evaporators; Condensers
    • 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
    • F28D21/0017—Flooded core heat exchangers
    • 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
    • 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
    • F28D2021/0061—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for phase-change applications
    • F28D2021/0064—Vaporizers, e.g. evaporators

Definitions

  • the invention relates to a heat exchanger according to claim 1.
  • Such a heat exchanger is used for indirect heat transfer between a first medium and a second medium and has a jacket which surrounds a jacket space for receiving a liquid phase of the first medium and at least one plate heat exchanger, the first
  • Plate heat exchanger is arranged in the mantle space, that he with an im
  • Mantelraum located liquid phase of the first medium is umgewand, and wherein the first heat transfer passages via outlet openings on an upper side of the plate heat exchanger, which is usually n a horizontal plane, are in flow communication with the jacket space, so that the first medium through the outlet openings in the shell space or separation chamber can emerge as a two-phase medium, in which the gaseous phase of the first medium is separated from the liquid phase of the first medium.
  • the region of the jacket space above the level of the liquid phase of the first medium, which is available for receiving the gaseous phase of the first medium is understood as the separation space.
  • Such a heat exchanger is, for example, in "The Standards of the brazed aluminum plate-fin heat exchanger manufacturer's association (ALPEMA)", third
  • Heat exchangers are therefore also called “block-in-shell” heat exchangers, Other designations include “core-in-shell” or “block-in-kettle” heat exchangers.
  • the plate heat exchanger has a second closed shell space
  • the second medium in the second Heat transfer passages has no direct contact with the jacket space.
  • the open first heat transfer passages are usually for the first medium on several sides of the plate heat exchanger (eg at the
  • the plate heat exchanger is doing by a
  • the plate heat exchanger in a core-to-shell heat exchanger is commonly operated as a thermosyphon, i.e., in natural circulation.
  • the gas phase of the first medium is thereby passed over at least one gas outlet, e.g. withdrawn from the separation chamber in the form of a gas outlet nozzle provided on the jacket.
  • leakage of the liquid phase from the gas outlet must be avoided, e.g.
  • the present invention seeks to provide a heat exchanger of the type mentioned, which allows an improvement of the separation of both phases in the separation chamber.
  • a guide device is provided at or above the upper side of the plate heat exchanger for conducting the first (in particular two-phase) medium leaked from the outlet openings, wherein the guide device has a plurality of guide elements, each along a longitudinal axis along the Extending the upper side of the at least one plate heat exchanger, wherein the longitudinal axes of the guide elements extend perpendicular to a longitudinal axis of the jacket; and / or wherein the plate heat exchanger has a first outer edge and a parallel, opposite second outer edge, wherein the two outer edges bound the top of the plate heat exchanger, and wherein the heat exchanger has a plurality of first and second guide elements, wherein the first guide elements along the first Run outside edge and are located closer to the first outer edge than at the second outer edge, and wherein the second guide elements are along the second outer edge and located closer to the second outer edge than at the first outer edge, wherein the first guide elements are inclined to the first outer edge , so that in the first spatial direction from the outlet openings at
  • the guide device is in particular designed and positioned in such a way that a good distribution of the two-phase current in the jacket space or separation space of the heat exchanger is ensured and the shape of the three-dimensional velocity field, that is to say the distribution of the two-phase current in all three spatial directions, is influenced in the desired manner. Without such a guide, in particular, there is no uniform distribution of the gas phase onto the separation space.
  • the quality of the separation of the gas phase from the liquid phase of the first medium in the separation chamber depends on the expression of a three-dimensional
  • Velocity field of the first medium from. This is ideally so
  • Plate heat exchanger in the shell space are influenced only to a limited extent and with the disadvantage of higher production costs and correspondingly higher costs.
  • the separation space can not be used optimally for the separation of the gas and liquid phases of the first medium.
  • inactive areas of the separation chamber can arise in which no separation takes place, since the two-phase current is not guided there. this leads to
  • plate heat exchangers in core-in-shell heat exchangers often have a non-uniform course of evaporation. This means that over the length of a plate heat exchanger different amounts of gas is generated and
  • the load on the separation space is also not uniform, which can lead to higher entrainment, i.e., increased entrainment of liquid with the exiting gas stream.
  • the load of the separation chamber is determined essentially by the flow properties of the gas phase.
  • the guide device is designed to guide at least a portion of the two-phase first medium which has emerged from the outlet openings in a first spatial direction into at least one second spatial direction.
  • the first spatial direction runs from bottom to top along the vertical (ie, the two-phase first medium emerges from the outlet openings at the top along the vertical).
  • the second spatial direction differs from the first spatial direction and preferably has a larger horizontal component than the first spatial direction, so that the two-phase mixture, in particular in the
  • Horizontal can be distributed more evenly.
  • the guide device has at least one plate-shaped guide element, in particular in the form of a guide plate. This is preferably arranged (in particular in the vertical direction) above an outlet opening of at least one first heat transfer passage, so that gaseous (and in particular charged with liquid droplets) first medium impinges on the guide device or the at least one guide plate and is deflected by this outlet opening.
  • the at least one guide element extends along a longitudinal axis.
  • This longitudinal axis preferably runs parallel or perpendicular to a longitudinal axis or cylinder axis of the jacket (the longitudinal or cylindrical axis of the jacket preferably extends parallel to the horizontal during operation of the heat exchanger). However, it is also an angled, e.g. skewed, position of the longitudinal axis of the guide element to the longitudinal axis of the jacket conceivable.
  • the longitudinal axis of the guide element may extend in particular along the upper side of the plate heat transfer, in particular parallel to this upper side.
  • the top of the Plattenkorschreibers extends at a properly arranged heat exchanger along the horizontal.
  • the longitudinal axis of the at least one guide element may furthermore extend, for example, parallel to the plane along which the heat transfer passages or the separating plates which delimit the heat transfer passages extend.
  • the longitudinal axis may also extend perpendicularly or at an angle to this plane.
  • the at least one guide element has a lower edge which extends along the longitudinal axis of the guide element and which is spaced apart from the upper side of the plate heat exchanger.
  • Plate heat exchanger has.
  • the gas phase of the first medium can be deflected following the inclination of the guide element, namely in particular from the first spatial direction into the second spatial direction.
  • the gaseous phase of the first medium accordingly receives a horizontal velocity component parallel to the top of the plate heat exchanger, so that in particular the gaseous phase of the first medium can be distributed over a wider horizontal cross section in the shell space.
  • the at least one guide element is planar.
  • the at least one guide element is preferably flat, that is, it is perpendicular to its
  • Extension level to a thickness that is significantly smaller than the dimensions of the guide element in the extension plane.
  • the at least one guide element has a curvature, in particular towards the top of the plate heat exchanger, so that the gaseous phase when deflected by the at least one guide element a horizontal
  • the at least one guide element has a first and a second portion, which are arranged at an angle to each other.
  • the first (lower) portion which is located in the vertical closer to the top of the plate heat exchanger, have a slope as described above and may be formed plan, while the adjoining second section can have a greater inclination compared with the first section or can even run parallel to the upper side of the plate heat exchanger.
  • the second (upper) portion may have a curvature instead of a slope or in addition to a slope, in particular towards the top of the Plattenkortechniktragers out.
  • the at least one guide element has a plurality of passage openings for the first medium.
  • the at least one guide element both deflects gaseous first medium and also allows it to pass upwards.
  • a liquid phase which emerges from the outlet openings of the plate heat exchanger (in particular in the middle of the plate heat exchanger), easier to the edge of the
  • the at least one guide element is fixed via a carrier on the plate heat exchanger.
  • the carrier may have a frame which can be fixed on projecting from the frame supports on the plate heat exchanger.
  • the at least one guide element is then preferably fixed to the frame and can be supported thereon by further supports.
  • the guide device has a plurality of guide elements which each extend along one
  • the longitudinal axes of the guide elements can run parallel to each other.
  • the longitudinal axes may extend, for example, parallel to the longitudinal axis of the shell or, for example, perpendicular to the longitudinal axis of the shell.
  • an angular or skewed position of the longitudinal axes of the guide elements to the longitudinal axis of the shell is conceivable.
  • the longitudinal axes of the guide elements can extend in different spatial directions.
  • the longitudinal axes of the guide elements can extend along the upper side of the plate heat exchanger, in particular parallel to each other and in particular parallel to the top of the plate heat exchanger (or in any other manner described above).
  • the individual guide elements can each be designed as described above, ie have one or more of the features described above.
  • the particular cuboid plate heat exchanger preferably has a first outer edge and a parallel extending, opposite second
  • the heat exchanger a plurality of first and second guide elements, wherein the first guide elements are in particular parallel to the first outer edge and located closer to the first outer edge than at the second outer edge, and wherein the second guide elements in particular parallel to second outer edge and are located closer to the second outer edge than at the first outer edge.
  • first guide elements are in particular parallel to the first outer edge and located closer to the first outer edge than at the second outer edge
  • second guide elements in particular parallel to second outer edge and are located closer to the second outer edge than at the first outer edge.
  • two first and two second guide elements are present.
  • the first guide elements are inclined towards the first outer edge, so that the (in the first spatial direction) emerging from the outlet openings at the top of the Platten Vietnamese Anlagenübertragers two-phase first medium is deflected by the first guide elements in a second spatial direction, the horizontal component to the first outer edge is directed.
  • the second guide elements are preferably inclined towards the second outer edge, so that the (in the first
  • Plattenblazeübertragers exiting two-phase first medium is deflected by the second guide elements in each case in a second spatial direction, the horizontal component is directed to the second outer edge.
  • the horizontal components associated with the first outer edge thus point in a direction opposite to the direction of the horizontal components on the second outer edge. In other words, therefore, the guide elements are each to the nearest
  • the two-phase first medium can be better distributed over the entire horizontal cross section of the separation chamber.
  • the outer vanes are more inclined (ie, have a smaller angle to the top of the plate heat exchanger than the vanes located further in.)
  • the inclination preferably increases from the inside to the outside (ie, the angle of inclination becomes smaller).
  • the one or more first guide elements located closer to the first outer edge are inclined more towards the first outer edge than the one or more first located further away from the first outer edge
  • the second guide element or elements located closer to the second outer edge are inclined more towards the second outer edge than the second guide element located further in or further away from the second outer edge.
  • Outlet openings at the top of the plate heat exchanger further outwardly distributed in the separation chamber, as that first medium which is closer to the central axis of the top out of the outlet openings at the top of the
  • first and second guide elements can each be designed planar.
  • the first and second guide elements have a first (lower) and a second (upper) portion, wherein the portions each extend along the longitudinal axis of the respective guide element.
  • the upper portions have a greater incline than the lower portions opposite the top of the plate heat exchanger (ie, the second portions are angled to the respective first portion) and / or have a curvature toward the top of the plate heat exchanger.
  • the outermost first guide element and the outermost second guide element have a flat second portion which is arranged at an angle to the respective first section and has a greater inclination than the respective first section to the top of the plate heat exchanger.
  • the inner first guide element and the inner second guide element on a second portion which has a curvature towards the top of the plate heat exchanger, wherein the respective first portion is formed flat.
  • the longitudinal axis of the jacket extends along the horizontal, that is, that the jacket is designed as a lying jacket, wherein the guide elements are provided on an outer edge (perpendicular to the longitudinal axis of the jacket) of the upper side of the plate heat exchanger, which is adjacent to a (eg curved) bottom of the shell, which extends transversely to the longitudinal axis of the shell, wherein the guide elements are inclined to that bottom of the shell, so that the two-phase first medium by means of the guide elements in particular to the ground or can be guided in an end portion of the jacket space.
  • the flow of the emerging from the open space of a plate heat exchanger in a core-in-shell heat exchanger two-phase current and the subsequent distribution in the separation chamber or shell space are directly influenced and directed.
  • the main focus will be on the flow characteristics the gas phase laid.
  • attention is paid to a good outflow of the already deposited liquid.
  • the separation space can be used more effectively for separating the gas phase and the liquid phase of the first medium.
  • the guide can be formed as a non-pressure-bearing component. Its cross-sectional shape can be freely designed without significant impact on its strength.
  • the position of the plate heat exchanger in the shell space can be chosen more flexible due to the invention, without compromising the quality of the separation of gas and
  • the guide or the at least one guide element may be made of any suitable material, such as e.g. Made of aluminum, steel or plastic or have these materials. A combination of such or suitable materials is possible.
  • the guiding device and the at least one guiding element can be made of sheet metal as well as other suitable elements, such as e.g. machined pipes, machined solid materials, molded parts or (extruded) profiles. The combination of different elements is possible.
  • the shape, size and number of the elements or guide elements of a guide used can be designed both according to manufacturing technology as well as procedural aspects. It can
  • each of the elements used can be designed individually.
  • the guide elements used can be solid, perforated or slotted. Likewise, these can be both flat and profiled (see above).
  • the guide can also be attached to other suitable location (eg on the jacket) in addition to the plate heat exchanger. The type of attachment is arbitrary, it can for example be welded, screwed or glued.
  • the guide can extend over the entire area or the entire upper side of the plate heat exchanger as well as only over selected areas of the upper side. Also, a guide in areas of
  • Heat exchanger block is located.
  • the orientation of the guide is also freely selectable.
  • the guide can also be executed without a frame. As already mentioned, parts of the guide can be combined with and without frame.
  • FIG. 1 shows a partially sectioned view of a device according to the invention
  • Fig. 2 is a view of the heat exchanger taken along the line A-A of Fig. 1;
  • Fig. 3 is a view of the heat exchanger taken along the line B-B of Fig. 1;
  • Fig. 4 is a side view of an embodiment of an inventive
  • FIG. 5 shows a plan view of the guide device according to FIG. 4;
  • Fig. 6 is a side view of an embodiment of an inventive
  • FIG. 1 shows, in connection with FIG. 8, a block-in-shell heat exchanger 1 according to the invention.
  • the heat exchanger 1 has a jacket 2 which extends along a longitudinal or cylindrical axis which runs along the horizontal at a heat exchanger 1 arranged as intended.
  • the jacket 2 surrounds a jacket space 3, in which at least one plate heat exchanger 4 is arranged. This has alternately juxtaposed and
  • first and second heat transfer passages 71, 72 which are each designed to receive a first and second medium F1, F2, so that between two media F1, F2 indirectly heat is / can be.
  • the heat transfer passages 71, 72 are bounded in each case by two parallel partition plates 90 (the two outermost partition plates of the plate heat exchanger 4 are referred to as cover plates), between each of which a heat conducting structure 80 is arranged, which is present e.g.
  • the first heat transfer passages 71 are toward the upper side 4 a of the at least one plate heat exchanger 4 and to the
  • first and second heat transfer passages 71, 72 may be closed by so-called edge bars (side bars) 91.
  • the second heat transfer passages 72 are additionally closed at the top and bottom by such end strips 91.
  • the components of the at least one plate heat exchanger 4, such as e.g. the partition plates 90, the fins 80, the side bars 91 and the collectors 61, 63, 62, 64 (also referred to as headers) are preferably made of aluminum.
  • the partition plates 90, side bars 91 and fins 80 are preferably soldered together in an oven.
  • the first medium F1 When ascending in at least one plate heat exchanger 4, the first medium F1 is brought into an indirect heat transfer with the second medium F2, which via an inlet port 51 and 53 and an adjoining collector (also called header) 61 and 63 in the second
  • Heat transfer passages 72 of the at least one plate heat exchanger 4 is introduced and there, in particular in cross-flow (or counterflow) to the first medium F1, which flows in the first heat transfer passages 71, out.
  • the first gaseous second medium F2 is cooled and in particular liquefied, whereas the first medium F1 is heated and partially evaporated and as a two-phase mixture from the plate heat exchanger 4 in a first spatial direction R, here vertically upwards exits.
  • the gaseous phase G1 of the first medium F1 collects in the jacket space 3 or in the separation chamber (this is the space above the liquid level) above the at least one plate heat exchanger 4 and can from there via (a) provided on the jacket 2 (n) Gas outlet 55 and 56 are deducted from the shell space 3 and the separation chamber.
  • the condensed second medium is withdrawn via a collector (or header) 62 or 64 of the at least one plate heat exchanger 4 from the second heat transfer passages 72 and via a connected to the respective collector 62 and 64 connecting piece 52 and 54 of the
  • the heat exchanger 1 can also have a plurality of plate heat exchangers 4, in particular two, as described above
  • Plate heat exchanger 4 which according to Figure 1, e.g. along the longitudinal axis of the heat exchanger 1 are arranged one behind the other in the shell space 3 of the heat exchanger 1.
  • the heat exchanger 1 can only one
  • Plate heat exchanger 4 which is then e.g. how the right or the left plate heat exchanger 4 of Figure 1 can be formed.
  • a guide 10 which serves to influence the velocity field V of the first medium F1.
  • This guide 10 has e.g. according to FIGS. 4 and 5, a plurality of flat and planar guide elements 100, 100 ', e.g. in the form of baffles, up. As shown in FIG. 1, these guide elements 100, 100 'can each extend along a longitudinal axis L which runs parallel to the upper side 4a of the (left) plate heat exchanger 4, parallel to the two outer edges 41, 42 of the parallelepipedal
  • Plate heat exchanger 4 which the upper side 4a of the plate heat exchanger 4 (see Fig. 8) bounded, these outer edges or edges 41, 42 parallel to
  • Heat transfer passages 71, 72 run.
  • the guide 10 is
  • the angles W and W are preferably in a range of 15 ° to 45 ° or 30 ° to 60 °. Furthermore, the angles preferably decrease from the inside to the outside towards the outside edges 41, 42 of the cuboid or plate heat exchanger 4.
  • the biphasic medium F1 emerging below the guide elements 100, 100' from the outlet openings 40 in a first spatial direction R is directed outwards to the sides of the two Mantelraumes 3 distributed in the marked with arrows second spatial directions R ', as indicated in Figure 2 and 4 respectively.
  • the guide elements 100, 100 'can continue to be supported by supports 22 on the frame 20 of the carrier.
  • the guide elements 100, 100 'at a defined height above the top 4a and the outlet openings 40 of the Platten Officertrages 4 are arranged, wherein the lower edges 101 of the guide elements 100, 100' in particular a constant height with respect to the top 4a.
  • Plate heat exchanger 4 according to Figure 1 is the case (see also Fig. 8). Furthermore, the two outermost guide elements 100, 100 'according to FIG. 7 have no slotted passage openings 140, but rather circular passage openings 140, which is what also referred to as perforation. In this case, both the first sections 102 and the second sections 103 of the corresponding guide elements 100, 100 'have such passage openings 140.
  • the two further inwardly arranged guide elements 100, 100 'of Figures 6 and 7 are also not planed, but each - in addition to the inclination (angle between guide element 100 and frame 20 and top 4a) - in an upper portion of a curve towards Upper side 4a of the plate heat exchanger 4, so that a clearer deflection of the (with liquid droplets loaded) gas phase G1 to the sides or the edges 41, 42 of the block 4 takes place.
  • the orientation of the guide elements 100, 100 not necessarily be aligned parallel to the edges 41, 42 or passages 71, 72 of the plate heat exchanger 4 or to the longitudinal axis of the heat exchanger 1, but is determined according to the desired distribution directions.
  • the guide elements 100 of the guide 10 of the right plate heat exchanger 4 according to Figures 1 and 3 are directed towards the bottom or cover of the lying jacket 3 - the guide elements 100 thus extend transversely to the edges 41, 42 and the heat transfer passages 71, 72 (that is, along the edges 43, 44), so that the first medium F1 can also be better distributed in the direction of the bottom or cover of the jacket 3, which can be seen from the illustrated velocity vectors V of the first medium F1 in FIG.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)

Abstract

L'invention concerne un échangeur de chaleur (1) pour assurer le transfert indirect de chaleur entre un premier fluide (F1) et un deuxième fluide (F2), qui comprend : une enveloppe (2), laquelle entoure un espace (3) pour recevoir une phase liquide (L1) du premier fluide (F1) et au moins un échangeur de chaleur à plaques (4) qui comporte de premiers passages de transfert de chaleur (71) pour recevoir le premier fluide (F1) ainsi que de seconds passages de transfert de chaleur (72) pour recevoir le second fluide présente (F2), de sorte à pouvoir transférer de manière indirecte de la chaleur entre les deux milieux (F1, F2), ledit au moins un échangeur de chaleur à plaques (4) de l'espace (3) d'enveloppe étant disposé,dans l'enveloppe (3) de manière à pouvoir être entouré par la phase liquide (L1) du premier fluide (F1) et de manière que les premiers passages de transfert de chaleur (71) communiquent en écoulement avec l'espace (3) d'enveloppe par l'intermédiaire d'ouvertures de sortie (40) au niveau d'une face supérieure (4a) du au moins un échangeur de chaleur à plaques (4), de sorte que le premier fluide (F1) peut parvenir dans l'espace (3) d'enveloppe en passant par les ouvertures de sortie (40). Selon l'invention, un dispositif de guidage (10) est disposé au niveau de la face supérieure (4a) dudit au moins un échangeur de chaleur à plaques (4), de manière à guider le premier fluide (F1) diphasique sorti des ouvertures de sortie (40).
PCT/EP2015/002461 2014-12-23 2015-12-07 Échangeur de chaleur de type noyau-enveloppe à dispositif de guidage pour assurer une meilleure répartition du fluide dans la chambre de séparation Ceased WO2016102045A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP14004383 2014-12-23
EP14004383.7 2014-12-23

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Publication Number Publication Date
WO2016102045A1 true WO2016102045A1 (fr) 2016-06-30

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021093993A1 (fr) 2019-11-15 2021-05-20 Linde Gmbh Composant de transition ayant une isolation
CN115605720A (zh) * 2020-04-06 2023-01-13 瓦特鲁斯公司（Fi） 用于在制冷或热泵系统中使用的装置及制冷或热泵系统

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1991009262A1 (fr) * 1989-12-14 1991-06-27 Mauri Kontu Echangeur thermique
US20080041096A1 (en) * 2005-04-06 2008-02-21 Mayekawa Mfg. Co., Ltd. Flooded evaporator
WO2010070951A1 (fr) * 2008-12-18 2010-06-24 三菱重工業株式会社 Évaporateur et machine de réfrigération
DE102012011328A1 (de) * 2012-06-06 2013-12-12 Linde Aktiengesellschaft Wärmeübertrager

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1991009262A1 (fr) * 1989-12-14 1991-06-27 Mauri Kontu Echangeur thermique
US20080041096A1 (en) * 2005-04-06 2008-02-21 Mayekawa Mfg. Co., Ltd. Flooded evaporator
WO2010070951A1 (fr) * 2008-12-18 2010-06-24 三菱重工業株式会社 Évaporateur et machine de réfrigération
DE102012011328A1 (de) * 2012-06-06 2013-12-12 Linde Aktiengesellschaft Wärmeübertrager

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021093993A1 (fr) 2019-11-15 2021-05-20 Linde Gmbh Composant de transition ayant une isolation
US12140263B2 (en) 2019-11-15 2024-11-12 Linde Gmbh Transition component having insulation
CN115605720A (zh) * 2020-04-06 2023-01-13 瓦特鲁斯公司（Fi） 用于在制冷或热泵系统中使用的装置及制冷或热泵系统

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