EP3430338B1 - Dispositif de separation pour un fluide caloporteur enroule destine a separer une phase gazeuse d'une phase liquide d'un milieu a deux phases achemine cote enveloppe - Google Patents

Dispositif de separation pour un fluide caloporteur enroule destine a separer une phase gazeuse d'une phase liquide d'un milieu a deux phases achemine cote enveloppe Download PDF

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Publication number
EP3430338B1
EP3430338B1 EP17712923.6A EP17712923A EP3430338B1 EP 3430338 B1 EP3430338 B1 EP 3430338B1 EP 17712923 A EP17712923 A EP 17712923A EP 3430338 B1 EP3430338 B1 EP 3430338B1
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EP
European Patent Office
Prior art keywords
chimney
roof
heat exchanger
phase
tray
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EP17712923.6A
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German (de)
English (en)
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EP3430338A1 (fr
Inventor
Manfred Steinbauer
Christian Matten
Christiane Kerber
Jürgen Spreemann
Ingomar Blum
Luis Matamoros
Florian Deichsel
Niels Treuchtlinger
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Linde GmbH
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Linde GmbH
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28B—STEAM OR VAPOUR CONDENSERS
    • F28B9/00—Auxiliary systems, arrangements, or devices
    • F28B9/08—Auxiliary systems, arrangements, or devices for collecting and removing condensate
    • 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
    • F28D7/02—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 helically coiled
    • F28D7/024—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 helically coiled the conduits of only one medium being helically coiled tubes, the coils having a cylindrical configuration

Definitions

  • the invention relates to a wound heat exchanger according to claim 1.
  • wound heat exchangers are e.g. used in physical washes for acid gas removal (e.g. rectisol process), in ethylene plants or in plants for the production of liquid natural gas (LNG).
  • acid gas removal e.g. rectisol process
  • LNG liquid natural gas
  • a medium that is introduced into the jacket space in two phases must be separated into a liquid phase and a gaseous phase, so that the two phases can be added to a tube bundle of the heat exchanger separately and as uniformly as possible over the cross section of the jacket space consequently, indirect heat transfer can take place between the two phases of the first medium and a second medium carried in the tube bundle.
  • Wound heat exchangers with liquid distributors or separation devices for separating a gaseous phase from a liquid phase are, for example, from the DE 10 2012 000 146 A1 . EP 2 818 821 A1 . DE 102011 017 030 A1 . DE 10 2010 055 452 A1 and DE 10 2004 040 974 A1 known.
  • DE 10 2010 055 452 A1 a flow guiding device for inlet openings of falling liquid channels, which allows a gaseous phase to rise in the liquid channel.
  • DE 10 2004 040 974 A1 the use of a baffle plate for degassing the two-phase flow.
  • the object of the present invention is to provide a wound heat exchanger with a separating device which allows an improved separation of the gaseous phase from the liquid phase in a simple manner.
  • a wound heat exchanger for indirect heat transfer between a two-phase first medium and a second medium, comprising: a jacket that surrounds a jacket space and extends along a longitudinal axis, an inlet for admitting the two-phase first medium into the jacket space, one In the jacket space arranged tube bundle comprising a plurality of tubes for receiving the second medium, which are helically wound around the longitudinal axis, and a separating device for separating a gaseous phase from a liquid phase of the two-phase first medium, the separating device having a bottom arranged above the tube bundle for collecting the has liquid phase, the floor for separating the two phases having a plurality of chimneys, the respective chimney projecting from a side of the floor facing away from the tube bundle, being covered by a roof and opening into a through opening in the floor, where an inlet opening is also provided between the respective roof and an upper end of the respective chimney, through which the gaseous phase can flow into the respective chimney, so that in particular the liquid phase can flow past
  • the chimneys can advantageously be designed in such a way that the liquid does not flow into the chimneys through the inlet openings, even when the liquid load is high, and a reliable separation of the two phases is still guaranteed.
  • a plurality of differing streams or media in particular two or three different streams, can be provided on the pipe side, which exchange heat indirectly with the jacket-side first medium or stream.
  • the tubes of the tube bundle can be divided into a corresponding number of tube groups, so that a tube group is assigned to each tube-side (second) medium.
  • the separating device can also take over the function of the actual liquid distributor.
  • the base has a plurality of openings through which the liquid phase collected on the base can rain directly onto the tube bundle, i.e. without going through further flow-carrying components.
  • a separate liquid distributor can be provided for distributing the liquid phase, which is in flow connection with the bottom, so that the liquid phase collected on the bottom can get into the distributor.
  • the distributor is configured to distribute the liquid phase over the tube bundle.
  • the liquid phase can be passed through a gap running around the jacket or via pipes into an annular channel below with distributor arms.
  • the liquid phase can be introduced into the core tube through a central opening and then fed to a distributor in the form of a pressure distributor.
  • Such liquid distributors are for example in the DE 10 2004 040 974 A1 described in detail. Other distributors are also conceivable.
  • the invention provides that the respective chimney is formed by a circumferential cylindrical wall which extends from an edge region bordering the respective passage opening, so that the respective passage opening of the floor forms an outlet opening of the respective chimney facing the tube bundle downwards ,
  • the tubes of the tube bundle are wound around or on a core tube of the heat exchanger which extends along the longitudinal axis of the jacket in the jacket space and is preferably arranged coaxially to this longitudinal axis, the core tube preferably carrying the load which picks up pipes.
  • the individual tubes of the tube bundle are preferably wound onto the core tube in several tube layers, the individual tube layers resting on one another via spacers.
  • the roof of the respective fireplace has a peripheral edge area, with a bottom edge pointing downwards, which runs at the level of or below a peripheral and upward-facing end face of the respective fireplace, which the inlet opening of the the respective fireplace.
  • the chimneys each extend along an axis that runs perpendicular to the floor and in particular parallel to the longitudinal or cylindrical axis of the jacket of the heat exchanger, which preferably runs parallel to the vertical.
  • the roof of the respective chimney projects perpendicularly to the axis of the respective chimney with the peripheral edge region beyond the associated chimney.
  • the circumferential part or edge area of the respective roof, which in this way protrudes beyond the respective chimney or said cylindrical wall perpendicular to the axis of the respective chimney, is also referred to herein as the protrusion of the respective roof.
  • At least one or more or all chimneys each have an inner chimney (the chimneys in question are then referred to as outer chimneys), which extends through the roof of the respective outer chimney and with a protrudes from the roof of the respective outer chimney, the upper section of the respective inner chimney having an inlet opening, which in turn is covered by a roof of the respective inner chimney, so that the liquid phase from the roof of the respective inner chimney past the respective inlet opening of the inner chimney Roof of the associated outer chimney and can flow from there to the bottom of the separation device, and so that the gaseous phase additionally via the inlet opening of the respective inner chimney located below the roof of the respective inner chimney into the respective inner chimney and from there onto the pipe b bundle is feasible.
  • the roof of the respective inner chimney has a circumferential edge region, with a lower edge pointing downwards, which runs at the level or below a circumferential, upward-facing end face of the upper section of the respective inner chimney, which forms the inlet opening of the respective indoor chimney.
  • the separating device can be configured in a particularly space-saving manner.
  • the separating device can also be arranged in sections of the casing or casing space in which the circumference or diameter of the casing decreases continuously upwards, so that a corresponding casing section surrounding the separating device, e.g. can take the form of a truncated cone.
  • the jacket has a jacket section which surrounds at least a part of the separating device, in particular at least a part of the chimneys, in a cross section perpendicular to the longitudinal axis of the jacket and tapers upwards in the direction of the longitudinal axis and in particular the shape has a truncated cone.
  • the respective inner chimney extends along the axis of the respectively assigned outer chimney, in which the respective inner chimney is arranged at least in sections.
  • the respective inner chimney is arranged coaxially with the respectively assigned outer chimney surrounding the inner chimney.
  • the chimneys form a group of first chimneys and a group of second chimneys, the second chimneys having a greater height above the floor along their respective axes than the first chimneys.
  • the distance from a second chimney to the roof of an adjacent first chimney perpendicular to the axis of the second chimney is smaller than the projection of the roof of the adjacent first chimney.
  • first and second chimneys are arranged alternately along the floor, so that a second chimney is preferably arranged between every two adjacent first chimneys or a first chimney is arranged between every two adjacent second chimneys.
  • the object of the invention is achieved by a method for separating a gaseous phase from a liquid phase of a two-phase first medium and for heat transfer between the first medium and a second medium using a wound heat exchanger according to the invention, the first medium having the liquid and the gaseous phase is fed via the inlet into the jacket space, the liquid phase if It hits a roof while feeding in, flows past the respective inlet opening to the floor, and the liquid phase is collected on the floor and then distributed to the tube bundle, and the gaseous phase is introduced into the through the inlet opening below the respective roof assigned chimney (in particular inner chimney, outer chimney, first chimney or second chimney) is introduced and from there is guided through the floor through the floor to the tube bundle.
  • the first medium having the liquid and the gaseous phase is fed via the inlet into the jacket space, the liquid phase if It hits a roof while feeding in, flows past the respective inlet opening to the floor, and the liquid phase is collected on the floor and then distributed to the tube bundle, and the gaseous phase is introduced into the
  • the chimneys are designed in such a way that liquid does not flow into the chimneys via the inlet openings, even with a high liquid load.
  • Figure 1 presents in a schematic sectional view the basic task of distributing a two-phase first medium M in a wound Heat exchanger 1.
  • a separation device 2 is used according to the invention, which separates a gaseous phase G from a liquid phase F of the first medium M.
  • the liquid phase F and the gaseous phase G can each be separately and evenly distributed onto the tube bundle 3 of the wound heat exchanger 1 arranged under the separating device 2, in which a second medium M 'is guided, so that the two media M, M 'can exchange heat indirectly.
  • several mediums can also be guided separately on the pipe side, which can then exchange heat indirectly with the first medium M.
  • the wound heat exchanger 1 each has a jacket 5, which is preferably cylindrical at least in sections, which surrounds a jacket space 6 of the heat exchanger 1 and a tube bundle 3 arranged in the jacket space 6, which can have a plurality of tubes 30, which can be helically wound on a core tube 300, wherein the core tube 300 is arranged in particular coaxially to a longitudinal axis z of the heat exchanger 1 or the jacket 5, along which the jacket 5 extends. Said longitudinal axis z preferably runs parallel to the vertical.
  • the wound heat exchanger 1 each have an inlet 7 for inlet of the two-phase first medium M into the jacket space 6 above a bottom 4 of a separating device 2, which is configured to separate the gaseous and the liquid phases G, F of the first medium M, so that the two phases F, G can be distributed separately on the tube bundle 3.
  • the bottom 4 runs horizontally or perpendicular to the longitudinal axis z and is arranged above the tube bundle 3, it preferably extending over the entire cross-sectional area of the jacket space 6 perpendicular to the longitudinal axis z and thereby dividing the jacket space 6 into two sections.
  • the bottom 4 is preferably used to collect the liquid phase F and is preferably fluidly connected to a liquid distributor 4a via a suitable flow connection S, the liquid distributor 4a being configured to distribute the liquid phase F over the tube bundle 3, the liquid phase F being the Pipe bundle, for example, applied from above.
  • the devices already described above can be used as the liquid distributor 4a. Shows of the different possibilities Fig. 5 exemplary one Embodiment of a liquid distributor 4a, which with all embodiments of the separation device 2 according to the invention (for example according to the Figures 2 to 4 ) can be used.
  • the bottom 4 of the separating device 2 is connected to the core tube 300 of the heat exchanger 1 by means of a suitable flow connection S, so that liquid phase F collected on the bottom 4 can get into the core tube 300.
  • the fireplaces 50, 60, 70 of the respective embodiment as shown in FIGS Figures 2 to 4 , see below
  • the chimneys are not shown here for the sake of clarity.
  • the liquid distributor 4a according to Figure 5 now has a plurality of arms 4b below the bottom 4a of the separating device 2 and above the tube bundle 3, which arms are in flow connection with the core tube 300 and are designed to distribute the liquid phase F on the tube bundle 3 which is below the arms 4b is arranged.
  • the arms 4b extend, starting from the core tube 300, in particular in each case in the radial direction outwards to the jacket 5, gaps being provided between adjacent arms 4b, through which the tubes 30 of the tube bundle 3 are combined in so-called braids 31 past the arms 4b upwards be guided, where they open, for example, below the bottom 4 in laterally provided on the jacket 5 nozzle 32.
  • the separating device 2 itself can also function as a liquid distributor in all embodiments.
  • the base 4 can have a multiplicity of openings 40a, in particular distributed uniformly over the base 4, through which the liquid phase F is then applied to the tube bundle 3.
  • a separate liquid distributor 4a can then be dispensed with.
  • the bottom 4 has a plurality of through openings 40 for separating the two phases F, G of the first medium M, through which the gaseous phase G can be distributed onto the tube bundle 3.
  • the through openings 40 are each in flow connection with an associated chimney 50, the respective chimney 50 preferably being formed by a circumferential cylindrical wall 50, which is preferably a closed wall that has no openings, and that of a circumferential one Edge area of each Through opening 40 protrudes upwards in the direction of an axis L of the respective chimney 50 from a side of the base 4 facing away from the tube bundle 3, so that the respective through opening 40 forms a downward-pointing outlet opening 40 of the respective chimney 50 facing the tube bundle 3.
  • the axes L of the chimneys 50 are preferably cylinder axes L, which run parallel to the longitudinal axis z of the heat exchanger 1 or jacket 5.
  • the respective chimney 50 furthermore has an inlet opening 51 at an upper end, which is opposite the respective outlet opening 40 in the direction of the respective axis L and is in each case covered by a roof 52, so that a circumferential gap between the respective roof 52 and the one below it arranged fireplace 50 is formed.
  • the liquid phase F which is applied to the bottom 4 or the separating device 2 from above, can now flow from the respective roof 52 past the respective inlet opening 51 or the respective circumferential gap to the bottom 4, where it is collected, and then to be distributed separately from the gaseous phase G to the tube bundle 3, for example by means of the liquid distributor 4a, which in detail, for example, according to Figure 5 can be formed, whereas the gaseous phase G enters the associated chimney 50 via the respective gap or the inlet opening 51 located below the respective roof 52 and from there via the assigned passage opening or outlet opening 40 through the base 4 to the tube bundle 3 is feasible.
  • a liquid distributor 4a can also be dispensed with. In this case, the liquid phase F can be distributed to the tube bundle 3 via openings 40a in the base 4.
  • the roofs 52 are preferably arranged at the same height in the direction of the longitudinal axis z of the wound heat exchanger 1 or jacket 5 and each have a circumferential edge region 52a with a circumferential, ring-shaped lower edge 52b, which in relation to the longitudinal axis z is at height or runs below a peripheral end face 50a of the respective chimney 50, which borders the inlet opening 51 of the respective chimney 50. It is further provided that the roof 52 of the respective chimney 50 projects perpendicularly to the axis L of the respective chimney 50 with the peripheral edge area 52a over the associated chimney 50. This ensures that, if possible, no liquid portion F of the first medium M can get into the respective chimney 50. Furthermore, the gaseous phase G is thereby along its Flow paths in the direction of the tube bundle 3 deflected several times, which improves the separation of the liquid phase F from the gaseous phase G.
  • Figure 3 shows a further embodiment of a wound heat exchanger 1 according to the invention, in which the individual chimneys 50, 70 basically according to the type of Figure 2 are trained, now in contrast to Figure 2 there are first chimneys 50, which have a lower height above the floor 4 along the respective axis L than second chimneys 70.
  • the first and second chimneys 50, 70 are arranged alternately, so that due to the different heights of the respective roofs 52, 72 a larger number of chimneys 50, 70 can be arranged on the floor 4 per surface.
  • FIG 4 a further embodiment of a wound heat exchanger 1 according to the invention, in which the chimneys 50 in the manner of Figure 2 are formed, an internal chimney 60 is now additionally arranged in the respective chimney 50, which is designed here as an outer chimney, which extends through the roof 52 of the respective outer chimney 50 and projects with an upper section 63 from the respective roof 52, whereby the upper section 63 of the respective inner chimney 60 has an inlet opening 61, which in turn is covered by a roof 62 of the respective inner chimney 60, so that there is again a circumferential gap between the respective roof 62 and the inner chimney 60 arranged underneath.
  • the inner chimneys 60 can also each be formed by a circumferential cylindrical wall 60 which can extend downwards in the surrounding outer chimney 50 to the level of the respective through opening 40 of the base 4, so that a lower outlet opening 41 of the respective inner chimney 60, which faces the tube bundle 3, lies in the opening plane of the respective passage opening 40.
  • liquid phase F of a first medium M applied to the separating device 2 or the bottom 4 from above can now pass from the roof 62 of the respective inner chimney 60 past the gap or the inlet opening 61 of the respective inner chimney 60 onto the roof 52 of the respective assigned outer chimney 50 and flow from there to the floor 4, where it can be collected and distributed to the tube bundle 3.
  • the gaseous phase G can continue to be conducted via the ring-shaped inlet openings 51 in the respective outer chimney 50 along the coaxial inner chimney 60 via the respective passage or outlet opening 40 to the tube bundle 3, with an additional flow path for the gaseous one now due to the inner chimneys 60 Phase G is present per outer chimney 50, since the gaseous phase G is now also in the respective inner chimney 60 via the inlet opening 61 of the respective inner chimney 60 located below the roof 62 of the respective inner chimney 60 and from there via the outlet opening 41 of the respective inner chimney onto the tube bundle 3 is feasible.
  • the roof 62 of the respective inner chimney 60 preferably also has a peripheral edge region 62a, with an annular, bottom-facing lower edge 62b, which is at the level or below a peripheral, upward-facing end face 60a of the upper section 63 of the each inner chimney 60, which borders the inlet opening 61 of the respective inner chimney 60.

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

Claims (15)

  1. Echangeur de chaleur enroulé (1) pour le transfert de chaleur indirect entre un premier milieu diphasique (M) et un deuxième milieu (M'), avec
    - une enveloppe (5), qui entoure une chambre d'enveloppe (6) et qui s'étend le long d'un axe longitudinal (z),
    - une entrée (7) pour introduire le premier milieu diphasique (M) dans la chambre d'enveloppe (6),
    - un faisceau de tubes (3) disposé dans la chambre d'enveloppe (6), présentant plusieurs tubes (30) destinés à contenir le deuxième milieu (M'), qui sont enroulés en hélice autour de l'axe longitudinal (z),
    - un dispositif de séparation (2) pour séparer une phase gazeuse (G) d'une phase liquide (F) du premier milieu diphasique (M),
    caractérisé en ce que le dispositif de séparation (2) présente un plateau (4) disposé au-dessus du faisceau de tubes (3) pour collecter la phase liquide (F), dans lequel le plateau (4) pour séparer les deux phases (F, G) présente une multiplicité de cheminées (50, 70), dans lequel la cheminée respective (50, 70) est saillante sur le plateau (4) à partir du côté du plateau (4) situé à l'opposé du faisceau de tubes (3), est recouverte par un toit (52, 72) et débouche dans une ouverture de passage (40) dans le plateau (4), dans lequel il est en outre prévu entre le toit respectif (52, 72) et une extrémité supérieure de la cheminée respective (50, 70) une ouverture d'entrée (51, 71), par laquelle la phase gazeuse (G) peut s'engager dans la cheminée respective (50, 70).
  2. Echangeur de chaleur enroulé selon la revendication 1, caractérisé en ce que le plateau (4) présente en plus des ouvertures de passage (40) une multiplicité d'ouvertures (40a) destinées à répartir uniformément la phase liquide (F) sur le faisceau de tubes.
  3. Echangeur de chaleur enroulé selon la revendication 1, caractérisé en ce que l'échangeur de chaleur enroulé (1) présente un répartiteur de liquide (4a) en dessous du plateau (4) pour la répartition de la phase liquide (F) sur le faisceau de tubes (3), dans lequel le plateau (4) est en communication d'écoulement avec le répartiteur de liquide sous-jacent (4a), de telle manière que la phase liquide (F) puisse arriver dans le répartiteur de liquide (4a) en provenance du plateau (4).
  4. Echangeur de chaleur selon l'une quelconque des revendications précédentes, caractérisé en ce que le toit (52, 72) de la cheminée respective (50, 70) présente une région de bord périphérique (52a, 72a), avec un côté inférieur (52b, 72b), qui est situé à la hauteur ou en dessous d'une face frontale périphérique (50a, 70a) de la cheminée respective (50, 70), et qui borde l'ouverture d'entrée (51, 71) de la cheminée respective (50, 70).
  5. Echangeur de chaleur selon l'une quelconque des revendications précédentes, caractérisé en ce que les cheminées (50, 70) s'étendent respectivement le long d'un axe (L), qui est perpendiculaire au plateau (4).
  6. Echangeur de chaleur selon les revendications 4 et 5, caractérisé en ce que le toit (52, 72) de la cheminée respective (50, 70) se prolonge perpendiculairement à l'axe (L) de la cheminée respective (50, 70) avec sa région de bord périphérique (52a, 72a) au-delà de la cheminée associée (50, 70).
  7. Echangeur de chaleur selon l'une quelconque des revendications précédentes, caractérisé en ce qu'au moins une cheminée (50) est formée par une cheminée extérieure (50), dans lequel une cheminée intérieure (60) est disposée dans ladite au moins une cheminée extérieure (50), et s'étend vers le haut à travers le toit (52) de la cheminée extérieure (50) et s'étend avec une partie supérieure (63) au-delà du toit (52) de la cheminée extérieure (50), dans lequel la partie supérieure (63) de la cheminée intérieure (60) présente une ouverture d'entrée (61), qui est de nouveau recouverte par un toit (62) de la cheminée intérieure (60), de telle manière que la phase liquide (F) puisse s'écouler du toit (62) de la cheminée intérieure (60) le long de l'ouverture d'entrée (61) de la cheminée intérieure (60) sur le toit (52) de ladite au moins une cheminée extérieure (50) et de là sur le plateau (4), et de telle manière que la phase gazeuse (G) puisse être conduite en plus par l'ouverture d'entrée (61) de la cheminée intérieure (60) située en dessous du toit (62) de la cheminée intérieure (60) dans la cheminée intérieure (60) et de là sur le faisceau de tubes (3).
  8. Echangeur de chaleur selon la revendication 7, caractérisé en ce que le toit (62) de la cheminée intérieure (60) présente une région de bord périphérique (62a), avec un côté inférieur (62b), qui est situé à la hauteur ou en dessous d'une face frontale périphérique (60a) de la partie supérieure (63) de la cheminée intérieure (60), qui borde l'ouverture d'entrée (61) de la cheminée intérieure (60).
  9. Echangeur de chaleur selon la revendication 5 et selon une revendication 7 ou 8, caractérisé en ce que la cheminée intérieure (60) s'étend le long de l'axe (L) de ladite au moins une cheminée extérieure associée (50).
  10. Echangeur de chaleur selon les revendications 8 et 9, caractérisé en ce que le toit (62) de la cheminée intérieure (60) se prolonge perpendiculairement à l'axe (L) de la cheminée intérieure (60) avec sa région de bord périphérique (62a) au-delà de la cheminée intérieure (60) .
  11. Echangeur de chaleur selon la revendication 7 ou l'une quelconque des revendications 8 à 10 dans la mesure où elle est reliée à la revendication 7, caractérisé en ce que la cheminée intérieure (60) est disposée de façon coaxiale à ladite au moins une cheminée extérieure associée (50).
  12. Echangeur de chaleur selon une revendication 5 ou 6, caractérisé en ce que les cheminées (50, 70) forment un groupe de premières cheminées (50) ainsi qu'un groupe de deuxièmes cheminées (70), dans lequel les deuxièmes cheminées (70) présentent le long de leur axe respectif (L) une plus grande hauteur au-dessus du plateau (4) que les premières cheminées (50).
  13. Echangeur de chaleur selon la revendication 12, caractérisé en ce que la distance (A) d'une deuxième cheminée (70) jusqu'au toit (52) d'une première cheminée voisine (50) perpendiculairement à l'axe (L) de la deuxième cheminée (70) est plus petite qu'un dépassement (A') du toit (52) de la première cheminée voisine (50) au-delà de ladite première cheminée (50) perpendiculairement à l'axe (L) de ladite première cheminée (50).
  14. Echangeur de chaleur selon une revendication 10 ou 11, caractérisé en ce que les premières et les deuxièmes cheminées (50, 70) sont disposées en alternance le long du plateau (4), de telle manière que de préférence une deuxième cheminée (70) soit chaque fois disposée entre deux premières cheminées voisines (50) ou qu'une première cheminée (50) soit chaque fois disposée entre deux deuxièmes cheminées voisines (70).
  15. Procédé pour séparer une phase gazeuse (G) d'une phase liquide (F) d'un premier milieu diphasique (M) ainsi que pour l'échange de chaleur entre le premier milieu (M) et un deuxième milieu (M') avec utilisation d'un échangeur de chaleur enroulé (1) selon l'une quelconque des revendications précédentes, dans lequel on introduit le premier milieu (M) présentant la phase liquide et la phase gazeuse (F, G) par l'entrée (7) dans la chambre d'enveloppe (6), dans lequel la phase liquide (F), lorsqu'elle arrive lors de l'introduction sur un toit (52, 72), s'écoule le long de l'ouverture d'entrée respective (51, 71) sur le plateau (4), et dans lequel la phase liquide (F) s'accumule sur le plateau (4) et ensuite est répartie sur le faisceau de tubes (3), et dans lequel on introduit la phase gazeuse (G) par l'ouverture d'entrée située en dessous du toit respectif (52, 62, 72) dans la cheminée associée (50, 60, 70) et on la conduit de là par l'ouverture de passage associée (40) à travers le plateau (4) sur le faisceau de tubes (3) .
EP17712923.6A 2016-03-16 2017-03-15 Dispositif de separation pour un fluide caloporteur enroule destine a separer une phase gazeuse d'une phase liquide d'un milieu a deux phases achemine cote enveloppe Active EP3430338B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP16000628 2016-03-16
PCT/EP2017/025050 WO2017157535A1 (fr) 2016-03-16 2017-03-15 Dispositif de séparation pour échangeurs de chaleur enroulés permettant de séparer une phase gazeuse d'une phase liquide d'un milieu biphasique guidé côté enveloppe

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DE102018000468A1 (de) * 2018-01-22 2019-07-25 Linde Aktiengesellschaft Gewickelter Wärmeübertrager mit Abscheider im Kernrohr
EP3719433A1 (fr) * 2019-04-02 2020-10-07 Linde GmbH Distributeur de fluide réglable d'un échangeur de chaleur enroulé permettant de réaliser des différentes charges de fluide
FR3100320B1 (fr) * 2019-09-02 2022-02-18 Air Liquide Dispositif de distribution destiné à une colonne de séparation gaz/liquide
CN113280650B (zh) * 2021-07-22 2021-09-24 四川空分设备(集团)有限责任公司 气液两相流体均布装置

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CN108779961B (zh) 2020-05-29
RU2724413C2 (ru) 2020-06-23
CN108779961A (zh) 2018-11-09
RU2018131445A3 (fr) 2020-04-23
US20190078842A1 (en) 2019-03-14
WO2017157535A1 (fr) 2017-09-21
EP3430338A1 (fr) 2019-01-23
RU2018131445A (ru) 2020-04-16
US10982905B2 (en) 2021-04-20

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