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EP0853224B1 - Echangeur de chaleur - Google Patents

Echangeur de chaleur Download PDF

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Publication number
EP0853224B1
EP0853224B1 EP19970100494 EP97100494A EP0853224B1 EP 0853224 B1 EP0853224 B1 EP 0853224B1 EP 19970100494 EP19970100494 EP 19970100494 EP 97100494 A EP97100494 A EP 97100494A EP 0853224 B1 EP0853224 B1 EP 0853224B1
Authority
EP
European Patent Office
Prior art keywords
plate
heat exchanger
openings
plates
exchanger according
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.)
Expired - Lifetime
Application number
EP19970100494
Other languages
German (de)
English (en)
Other versions
EP0853224A1 (fr
Inventor
Klaus Niepoth
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.)
Balcke Duerr Energietechnik GmbH
Original Assignee
Balcke Duerr Energietechnik 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 Balcke Duerr Energietechnik GmbH filed Critical Balcke Duerr Energietechnik GmbH
Priority to ES97100494T priority Critical patent/ES2167622T3/es
Priority to DK97100494T priority patent/DK0853224T3/da
Priority to DE59705267T priority patent/DE59705267D1/de
Priority to EP19970100494 priority patent/EP0853224B1/fr
Publication of EP0853224A1 publication Critical patent/EP0853224A1/fr
Application granted granted Critical
Publication of EP0853224B1 publication Critical patent/EP0853224B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C13—SUGAR INDUSTRY
    • C13B—PRODUCTION OF SUCROSE; APPARATUS SPECIALLY ADAPTED THEREFOR
    • C13B25/00—Evaporators or boiling pans specially adapted for sugar juices; Evaporating or boiling sugar juices
    • C13B25/003—Evaporators or boiling pans specially adapted for sugar juices; Evaporating or boiling sugar juices with heating plates
    • 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
    • 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
    • F28F3/083—Elements constructed for building-up into stacks, e.g. capable of being taken apart for cleaning capable of being taken apart

Definitions

  • the invention relates in particular to a steam-heated thickener, Heat exchangers intended for sugar solutions Heat exchange between two separate media with one A plurality of pairs of plates, each consisting of two at their edges circumferentially welded individual plates formed and at least one in a stack of plates arranged with sealed against each other Plate pairs are joined, the one medium through which by the Individual plates formed channels and the other medium through between channels formed adjacent plate pairs flows.
  • the invention has for its object to further develop such heat exchangers with the aim of easier maintenance and, if necessary, repair and a modular structure for the purpose of easier adaptation to different circumstances and output sizes.
  • the solution to this problem is characterized in that the plate stack is fastened to a supporting wall with openings to the channels for the other medium, dividing the housing into a steam supply space and a vapor space containing the plate stack, the housing having at least one inlet connection and at least one outlet connection for the one acting on the medium formed between adjacent pairs of plates is provided, and that the individual plates are each provided with at least one inlet opening and at least one outlet opening, which correspond to the corresponding openings in the individual plates of the adjacent plate pair to form inflow and outflow connections for the other Medium are connected in a sealed manner.
  • the sugar solution thickened by the steam flowing within the plate stack.
  • the one here emerging vapors can be from the side as well as above and below emerge from individual stacks of plates. You will be at the top of the Vapor room preferably through a vapor connector from the housing deducted.
  • FR-A-2 523 287 was a cross-current operated Plate heat exchanger known in which, for example, the heat emitting Medium is supplied through an opening channels that are separated from one another by a are separated by another channel to which the heat absorbing medium is separated by a further opening is fed. Every second channel is therefore from the heat emitting and the intermediate channels from the heat absorbing Medium flows through. For this it is necessary that the individual plates with corresponding nozzles are provided, which prevent the respective Medium can flow into each channel.
  • the disk package from the FR-A-2 523 287 known plate heat exchanger is of a housing surround that has no media-carrying properties. So far acts it is a known heat exchanger, but not one especially as a steam-heated thickener with the heat exchanger Features of EP-A-0 729 772.
  • the individual plates to form a pair of plates at their edge with each other are welded all around, it is according to further features of the Invention possible, the individual plates of the plate stack either on the edge of their Weld openings together or by only the individual Seals around the opening to seal against each other, d. H. removable to execute. In addition to a fully welded plate stack, this is also the Production of a plate stack possible, the individual plate pairs can be taken apart for maintenance, for example.
  • each individual plate according to another feature of the invention except at least an inlet opening for the steam and at least one outlet opening for the Condensate at least one additional opening for the discharge of inert gases exhibit.
  • the connection of adjacent individual plates of the plate stack takes place here also with respect to the additional openings either by welding the Opening edges or by only surrounding the individual opening Seals.
  • the single plate is closed two plate axes are symmetrical. This gives the advantage that the plate stack can be made from identical individual plates, so that only one tool is required for the production of the individual plates and for the manufacture of heat exchangers only kept one type of plate in stock must become.
  • each individual plate is in the designed essentially rectangular and with two arranged on their narrow sides Entry openings and in the middle of their long sides with one each provided as an outlet or additional opening.
  • the plate stack arranged in the housing is in a preferred embodiment the invention in the vertical direction from that of the housing via Einund Medium flows through the outlet port.
  • Plate stacks are preferably arranged one above the other at a distance. While the stacks are directly on top of each other, the vapors are on the side must emerge, with stacks lying one above the other at a distance also leave the space between the stacks of vapors.
  • the inlet and outlet openings in the supporting wall and, if appropriate, additional openings in the individual plates corresponding openings are provided, there is a particularly simple arrangement of the Plate stack on the supporting wall, the one with the exit and, if necessary Additional openings corresponding openings with a condensate or Inert gas line to be connected.
  • Those used to attach the stack of panels to the bulkhead Clamping elements can be arranged outside and / or inside the plate stack become. Furthermore, it is possible according to the invention, the clamping elements in Arrange the area of the openings in the individual panels, creating the possibility arises, these clamping elements also as guides for the individual plates train so that their attachment to the supporting wall is facilitated.
  • the heat exchanger is designed as a steam-heated thickener for sugar solutions. It has a housing 1, which is vertical in the exemplary embodiment standing cylindrical drum is designed with an axial direction extending support wall 2 is provided, which the interior of the housing 1 according to FIG. 2 divided into a steam supply space 1a and a vapor space 1b. In the area of the steam supply chamber 1 a, the housing 1 has an inlet connection 3 provided for the steam.
  • three plate stacks are on the front of the support wall 2 4 arranged, which in the embodiment of Figures 1 and 2 each by four clamping elements 5 using a pressure plate 6 are attached.
  • the three plate stacks 4 are spaced one above the other.
  • Each plate stack 4 is formed from a plurality of individual plates 7, for example according to the embodiment of Figures 3 and 4.
  • the single plate 7 is substantially rectangular and provided with two inlet openings 7a arranged on their narrow sides.
  • each individual plate 7 has in the region of the center of its long sides an outlet opening 7b and an additional opening 7c.
  • the single plate 7 is in terms of their entry, exit and Additional opening 7a, 7b, 7c formed symmetrically to both plate axes.
  • each inlet opening is located 7a of the plate stack 4 via a corresponding opening in the supporting wall 2 with the steam supply chamber 1a of the housing 1 in connection.
  • steam supplied via the inlet connection 3 enters the channels between the individual plates 7 of each pair of plates are formed. That steam serves to thicken the sugar solution supplied to the housing 1; the residual steam or the condensate is discharged through the outlet openings 7b (see FIG. 3) deducted by a corresponding, formed in the support wall 2 Opening are connected to a condensate line 9.
  • the one in the single plates 7 formed additional openings 7c are above a corresponding opening in the support wall 2 with an inert gas line 10 in connection.
  • Fig. 1 further shows that the sugar solution the vapor space 1b of the housing 1 is fed through a feed line 11 which is in a juice distributor 12 flows.
  • the sugar solution emerges from the underside of this juice distributor 12 in the form of fine rays that hit the top of the top stack of plates 4 hit and stack this plate from top to bottom through those Flow through channels formed by adjacent plate pairs become.
  • the sugar solution is through the steam flowing inside the plate stack is thickened.
  • the one here emerging vapors emerge from the side as well as above and below Plate stack 4 out. You are at the top of the housing 1 by one Vapor connector 13 deducted.
  • the one above the other Supporting wall 2 attached plate stack 4 in particular for cleaning them with the sugar solution loaded channels removed from the support wall 2 are formed by the clamping screws in the exemplary embodiment Clamping elements 5 released and the pressure plates 6 removed, so that the plate stack 4 can be removed from the support wall 2. Since at Embodiment according to Figures 3 and 4, the individual plate pairs exclusively sealed with the help of the clamping elements 5 and the pressure plate 6 are held together is a disassembly of the individual plate stacks 4 possible in pairs of plates, so that the channels acted upon by the sugar solution can be easily cleaned.
  • FIGS. 5 and 6 thus results in a stack of plates 4 from fully welded individual plates 7, which, however, just like the plate stack 4 from the individual plates 7 shown in FIGS. 3 and 4 from the Support wall 2 removed and cleaned outside of the housing 1 can.
  • FIG. 7 shows one the first embodiment of Figures 3 and 4 similar training.
  • the openings 7a, 7b and 7c of the individual plates 7 become more adjacent Plate pairs through seals 8 compared to that of the sugar solution flowed through channels sealed when the plate pairs using the Clamping elements 5 and the pressure plate 6 releasably attached to the support wall 2 become.
  • Fig. 7 shows that it is possible in this embodiment, inside of the inlet openings 7a, guide holes 7d in the individual plates 7 to train. These guide holes 7d are used to weld the plate pairs Individual plates 7 threaded onto the clamping elements 5 so that they Clamping elements 5 also serve as guides for the individual plates 7 when these are releasably attached to the support wall 2.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biochemistry (AREA)
  • Organic Chemistry (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
  • Hybrid Cells (AREA)

Claims (13)

  1. Dispositif transmetteur de chaleur pour l'échange de chaleur entre deux fluides séparés l'un de l'autre, en particulier du type épaississeur chauffé par vapeur, de préférence pour des solutions de sucre, comportant une pluralité de paires de plaques formées chacune par deux plaques individuelles (7) soudées en continu à leur bordure et assemblées par paires de plaques étanchées les unes par rapport aux autres en au moins un empilement de plaques (4) agencé dans un boítier (1), dans lequel l'un des fluides s'écoule à travers les canaux formés par les plaques individuelles (7) et l'autre fluide s'écoule à travers les canaux formés entre des paires de plaques voisines, caractérisé en ce que l'empilement de plaques (4) est fixé sur une paroi de support (2) qui subdivise le boítier (1) en une chambre d'amenée de vapeur (1a) et en une chambre à buées (1b) contenant l'empilement de plaques (4) et qui présente des ouvertures vers les canaux pour l'autre fluide, le boítier (1) étant pourvu d'au moins un manchon d'entrée (11) et d'au moins un manchon de sortie (13, 14) pour l'un des fluides s'écoulant dans les canaux formés entre les paires de plaques voisines, et en ce que les plaques individuelles (7) sont pourvues chacune d'au moins une ouverture d'entrée (7a) et d'au moins une ouverture de sortie (7b) qui sont en communication étanche avec les ouvertures correspondantes des plaques individuelles (7) de la paire de plaques voisine pour former les manchons d'admission et d'évacuation pour l'autre fluide.
  2. Dispositif transmetteur de chaleur selon la revendication 1, caractérisé en ce que les plaques individuelles (7) de l'empilement de plaques (4) sont soudées les unes avec les autres au niveau du bord de leurs ouvertures (7a, 7b).
  3. Dispositif transmetteur de chaleur selon la revendication 1, caractérisé en ce que les plaques individuelles (7) de l'empilement de plaques (4) sont étanchées les unes par rapport aux autres par des joints (8) entourant exclusivement les ouvertures d'entrée et de sortie (7a, 7b).
  4. Dispositif transmetteur de chaleur selon l'une quelconque au moins des revendications 1 à 3 à titre d'épaississeur chauffé par vapeur, caractérisé en ce que chaque plaque individuelle (7) comprend, outre au moins une ouverture d'entrée (7a) pour la vapeur et au moins une ouverture de sortie (7b) pour le condensat, au moins une ouverture supplémentaire (7c) pour la sortie de gaz inertes.
  5. Dispositif transmetteur de chaleur selon l'une au moins des revendications 1 à 4, caractérisé en ce que la plaque individuelle (7) est réalisée symétrique par rapport aux deux axes de plaques.
  6. Dispositif transmetteur de chaleur selon l'une ou l'autre des revendications 4 et 5, caractérisé en ce que chaque plaque individuelle (7) est réalisée sensiblement rectangulaire et pourvue de deux ouvertures d'entrée (7a) ménagées sur ses petits côtés, ainsi qu'une ouverture servant d'ouverture de sortie ou supplémentaire (7b ou 7c) au milieu de ses grands côtés.
  7. Dispositif transmetteur de chaleur selon l'une au moins des revendications 1 à 6, caractérisé en ce que l'empilement de plaques (4) agencé dans le boítier (1) est traversé en direction verticale par le fluide amené à ou évacué du boítier (1) via des manchons d'entrée et de sortie (11, 14).
  8. Dispositif transmetteur de chaleur selon la revendication 7, caractérisé en ce que plusieurs empilements de plaques (4) sont agencés de préférence à distance les uns au-dessus des autres dans le boítier (1).
  9. Dispositif transmetteur de chaleur selon l'une au moins des revendications 1 à 8, caractérisé en ce que le(s) empilement(s) de plaques (4) est(sont) fixé(s) sur la paroi de support (2) au moyen d'éléments de serrage (5) et d'une plaque de compression (6).
  10. Dispositif transmetteur de chaleur selon l'une ou l'autre des revendications 1 et 9, caractérisé en ce que des ouvertures correspondantes aux ouvertures d'entrée et de sortie (7a, 7b) et le cas échéant aux ouvertures supplémentaires (7c) des plaques individuelles (7) sont prévues dans la paroi de support (2), parmi lesquelles les ouvertures correspondantes aux ouvertures de sortie et le cas échéant aux ouvertures supplémentaires (7b ou 7c) sont reliées à une conduite à condensat ou à gaz inerte (9 ou 10).
  11. Dispositif transmetteur de chaleur selon la revendication 9, caractérisé en ce que les éléments de serrage (5) sont agencés à l'extérieur et/ou à l'intérieur de l'empilement de plaques (4).
  12. Dispositif transmetteur de chaleur selon les revendications 4 et 11, caractérisé en ce que les éléments de serrage (5) sont agencés au niveau des ouvertures (7a, 7b, 7c) dans les plaques individuelles (7).
  13. Dispositif transmetteur de chaleur selon l'une ou l'autre des revendications 11 et 12,
    caractérisé en ce que les éléments de serrage (5) sont réalisés sous forme de guidages pour les plaques individuelles (7).
EP19970100494 1997-01-15 1997-01-15 Echangeur de chaleur Expired - Lifetime EP0853224B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
ES97100494T ES2167622T3 (es) 1997-01-15 1997-01-15 Intercambiador de calor.
DK97100494T DK0853224T3 (da) 1997-01-15 1997-01-15 Varmeveksler
DE59705267T DE59705267D1 (de) 1997-01-15 1997-01-15 Wärmeüberträger
EP19970100494 EP0853224B1 (fr) 1997-01-15 1997-01-15 Echangeur de chaleur

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP19970100494 EP0853224B1 (fr) 1997-01-15 1997-01-15 Echangeur de chaleur

Publications (2)

Publication Number Publication Date
EP0853224A1 EP0853224A1 (fr) 1998-07-15
EP0853224B1 true EP0853224B1 (fr) 2001-11-07

Family

ID=8226367

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19970100494 Expired - Lifetime EP0853224B1 (fr) 1997-01-15 1997-01-15 Echangeur de chaleur

Country Status (4)

Country Link
EP (1) EP0853224B1 (fr)
DE (1) DE59705267D1 (fr)
DK (1) DK0853224T3 (fr)
ES (1) ES2167622T3 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2793875B1 (fr) * 1999-05-19 2001-08-03 Packinox Sa Echangeur thermique a plaques
DE19944426C2 (de) * 1999-09-16 2003-01-09 Balcke Duerr Energietech Gmbh Plattenwärmetauscher und Verdampfer
EP1098008B1 (fr) 1999-11-04 2004-05-19 Balcke-Dürr Energietechnik GmbH Evaporateur
EP1154216B1 (fr) * 2000-05-11 2003-04-16 Balcke-Dürr Energietechnik GmbH Dispositif pour chauffage de liquides à la vapeur
CN118293591A (zh) * 2023-01-05 2024-07-05 法雷奥汽车空调湖北有限公司 中间热交换器及热交换组件

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2523287A1 (fr) * 1982-03-12 1983-09-16 Lecomte Robert Echangeur de chaleur de type liquide-gaz en particulier pour la recuperation de la chaleur des fumees
DE29503589U1 (de) * 1995-03-03 1995-04-27 Balcke Duerr Ag Verdampfer
FR2733823B1 (fr) * 1995-05-04 1997-08-01 Packinox Sa Echangeur thermique a plaques

Also Published As

Publication number Publication date
ES2167622T3 (es) 2002-05-16
DE59705267D1 (de) 2001-12-13
EP0853224A1 (fr) 1998-07-15
DK0853224T3 (da) 2002-02-25

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