EP1811256A1 - Wärmeaustauschvorrichtung - Google Patents

Wärmeaustauschvorrichtung Download PDF

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Publication number
EP1811256A1
EP1811256A1 EP06291971A EP06291971A EP1811256A1 EP 1811256 A1 EP1811256 A1 EP 1811256A1 EP 06291971 A EP06291971 A EP 06291971A EP 06291971 A EP06291971 A EP 06291971A EP 1811256 A1 EP1811256 A1 EP 1811256A1
Authority
EP
European Patent Office
Prior art keywords
fluid
open ends
outlets
fluids
installation 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.)
Granted
Application number
EP06291971A
Other languages
English (en)
French (fr)
Other versions
EP1811256B1 (de
Inventor
Pierre-Xavier Bussonnet
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.)
Alfa Laval Packinox SAS
Original Assignee
Alfa Laval Packinox SAS
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 Alfa Laval Packinox SAS filed Critical Alfa Laval Packinox SAS
Publication of EP1811256A1 publication Critical patent/EP1811256A1/de
Application granted granted Critical
Publication of EP1811256B1 publication Critical patent/EP1811256B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F28D9/0012—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 apparatus having an annular form
    • 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
    • F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/007—Auxiliary supports for elements
    • F28F9/0075—Supports for plates or plate assemblies
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2250/00—Arrangements for modifying the flow of the heat exchange media, e.g. flow guiding means; Particular flow patterns
    • F28F2250/10—Particular pattern of flow of the heat exchange media
    • F28F2250/108—Particular pattern of flow of the heat exchange media with combined cross flow and parallel flow
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2265/00—Safety or protection arrangements; Arrangements for preventing malfunction
    • F28F2265/26—Safety or protection arrangements; Arrangements for preventing malfunction for allowing differential expansion between elements

Definitions

  • the present invention relates to a heat exchange system between fluids, for cooling a first fluid by heat exchange with a second fluid.
  • Heat exchange systems which comprise a sealed enclosure in which is placed a bundle of plates arranged parallel to each other.
  • Plates made of thin sheet most often made of stainless steel, have edges with a smooth surface and a central part provided with corrugations by means of which they are in contact with one another and by which they delimit channels forming contact circuits. circulation of independent fluids.
  • This type of plate bundle heat exchanger operates with various fluids, such as liquids or gases or a biphasic mixture.
  • each plate heat exchanger consists of a sealed chamber in which is disposed a bundle of plates delimiting two independent circuits.
  • the circuits of the various bundles of plates are interconnected by connecting lines which pass through each chamber in a sealed manner so as to achieve a continuous flow of the main fluid in the various bundles of plates.
  • the connecting lines between the different exchangers for the transfer of fluids between these exchangers constitute unnecessary and parasitic pressure drop zones and constitute areas of loss of calories thereby decreasing the efficiency of the heat exchange system.
  • thermal exchange systems which comprise a sealed enclosure in which are arranged several bundles of plates each connected to means of arrival and discharge of the fluids.
  • the plate bundles are rigidly connected to the sealed enclosure which poses problems when the temperature differential between the two fluids is important, for example, of the order of several hundred degrees.
  • the object of the invention is to avoid these drawbacks by proposing a compact heat exchange installation and which makes it possible to perform a heat exchange between fluids having a large temperature difference.
  • the subject of the invention is therefore a heat exchange installation between fluids, of the type comprising a vertical and elongated sealed enclosure, means for heat exchange between the fluids and means of arrival and evacuation.
  • a first and a second fluid characterized in that the heat exchange means comprise bundles of plates each formed of a stack of horizontal plates delimiting between them two circulation circuits of the two fluids against the current and distributed in star around a tubular central collector, concentric with the enclosure and in that each bundle of plates has a front vertical wall fixed on the central collector and provided with inlets and outlets for each of said fluids and a free rear vertical wall provided with inputs and outputs from each of these fluids, each plate bundle being in sliding abutment on a support member integral with the enclosure.
  • This heat exchange installation is intended for example to cool the first fluid A by the second fluid B.
  • the heat exchange installation shown in the figures comprises a watertight enclosure 1 of elongated shape and section for example circular.
  • This sealed enclosure 1 is provided with support members, no shown, intended to rest on a receiving surface and this sealed chamber 1 is preferably arranged vertically.
  • the chamber 1 comprises a cylindrical central portion 2 provided with a cover 3 and a bottom 4, for example of hemispherical shape.
  • the installation comprises a central collector 10 tubular and concentric with the chamber 1 and defining with this chamber 1 an annular space 5.
  • This collector 10 has a central portion 11 of generally cylindrical shape provided with a cover 12 and a bottom 13 each having the shape of a spherical cap.
  • At the level of the cover 12 of this manifold 10 opens means for the arrival of the first fluid A which consist of at least one tubing 14 passing through the cover 3 of the sealed enclosure 1 and provided with at least one expansion compensator 15.
  • the annular space 5 delimited between the central collector 10 and the sealed enclosure 5 is connected to means for supplying the second fluid B which are formed by at least one tubing 16 passing through the cover 3 of this sealed enclosure 1.
  • the installation comprises means for heat exchange between the fluids A and B which comprise plate bundles 20 arranged in the annular space 5 formed between the central collector 10 and the sealed chamber 1.
  • each plate bundle 20 is distributed in a star around the central collector 10 and are not, for example, eight in number.
  • each plate bundle 20 has a generally parallelepipedal shape and is formed by a stack of horizontal plates 21, metal, thin and for example stainless steel. These plates 21 are provided with corrugations, not shown. The plates 21 of each bundle of plates 20 delimit between them two circulation circuits, respectively for the fluids A and B, against the current.
  • each bundle of plates 20 has a front vertical wall 22 fixed to the central portion 11 of the collector 10, a rear vertical wall 23 free and opening into the annular space 5 and two side walls 24 extending perpendicularly to said central portion 11 of the collector 10.
  • each bundle of plates 20 rests, at its lower part, on a support member 25 integral with the sealed enclosure 1.
  • Each support member 25 is formed by a horizontal plate 25a on which is slidingly bears the lower part of the corresponding plate bundle 20 and a vertical plate 25b extending perpendicularly to said horizontal plate 25a.
  • the front wall 22 is provided with inputs and outputs for the fluids A and B which are formed, for each circuit, by an alternating superposition of open ends 26a and 26b, respectively for the first fluid A and for the second fluid B, or closed 27a and 27b respectively for the first fluid A and the second fluid B.
  • the open ends 26a of the inputs of the circuit for the first fluid A are located in the center of the front wall 22 and the open ends 26b of the outputs of the circuit for the second fluid B are located on the lateral edges of this front wall 22.
  • the ends open 26a of the first fluid A open into the central collector 10 and are, therefore, connected to the inlet manifold 14 of said first fluid A.
  • This annular collector 30 comprises, at its lower part, a hemispherical cap 31 surrounding the bottom 13 of the central collector 10.
  • This hemispherical cap 31 is connected to the means for discharging the second fluid B which consist of at least one tubing 32 passing through the 1 sealed enclosure at its bottom, as shown in Figs. 1 and 3.
  • This tubing 32 is provided with at least one expansion compensator 33.
  • each plate bundle 20 has inputs and outputs for each of the fluids and which are formed for each circuit by an alternating superimposition open ends 28a and 28b, respectively for the first fluid A and the second fluid B, or closed ends 29a and 29b respectively for the first fluid A and the second fluid B.
  • the open ends 28b of the inputs of the circuit for the second fluid B are located in the center of the rear wall 23 and the open ends 28a of the outlets for the first fluid A are located on the lateral edges of this rear wall 23.
  • the ends 28b open the entries of the second fluid B open into the annular space 5 formed between the collector 10 and the sealed chamber 1 which itself communicates directly with the tubing 16 of arrival of the second fluid B in this annular space 5.
  • each vertical row of open ends 28a of the first fluid A outlets is capped by the manifold 35 and each manifold 35 is extended, at its upper part, by at least one pipe 36 provided with at least one expansion compensator 37.
  • Each pipe 36 is connected to a collector ring 40 itself connected to the means for discharging the first fluid A which are formed by at least one pipe 41 passing through the cover 3 of the sealed enclosure 1.
  • the open ends 28b of the inputs of the second fluid B may be located on the lateral edges of the rear wall 23 and the open ends of the outlets 28a for the first fluid A may be located in the center of this rear wall. 23.
  • the vertical row of the open ends 28a of the outlets for the first fluid A of each plate bundle 20 is capped by a manifold 35 connected by a pipe 36 to the collector ring 40.
  • each plate bundle 20 has, on each of its sidewalls 24, a vertical baffle extending in the direction of the adjacent plate bundle.
  • the free edges 45a of two adjacent deflectors overlap so as to let the second fluid B and to create around the central collector 10, a buffer zone of the second fluid B.
  • a deflector 46 is placed around the inlet pipe 14 of the first fluid A and a deflector 47 is also placed below the bundles of plates 20 between the hemispherical cap 31 of the central collector 10 and the bottom 4 of the sealed enclosure 1.
  • the first hot fluid A which is at a temperature of the order of 800 ° C enters through the inlet pipe 14 into the central collector 10, then is directed into the inlets 26a of each of the plate bundles 20 .
  • the second fluid B which is at a temperature of the order of 200 ° enters through the inlet pipe 16 into the annular space 5 formed between the central collector 10 and the sealed enclosure 1. This second fluid B is directed towards the inputs 28b of the rear wall 23 of each of the plate bundles 20.
  • the circulation of the fluids A and B in the independent circuits of each of the bundles of plates 20 causes a heat exchange between these fluids and the first fluid A thus cooled, after having passed through each of the bundles of plates 20, exits from the end ends 28a of the bundles of plates 20, and is then collected by the vertical manifolds 35.
  • This cooled first fluid A passes through the conduits 36 and enters the collector ring 40 before being evacuated from the installation by the tubing 41.
  • the second fluid B enters through the inlet pipe 16 into the sealed chamber 1 at a temperature of the order of 200 ° C.
  • This second fluid B after having filled the annular space 5, enters through the open ends 28b of the rear walls 23 of each of the plate bundles 20 and passes through each of these bundles of plates 20 against the current of the first fluid A.
  • An exchange thus, in each of the plate bundles 20, the thermal fluid is produced between the fluids A and B and the second fluid B, thus heated, is discharged from the open ends 26b.
  • each of the bundles of plates 20 then is collected by the annular collector 30 before being discharged by the space between the bottom 13 of the central collector 10 and the hemispherical cap 31, and by the tubing 32.
  • the heat exchange system according to the invention has the advantage of making it possible to concentrate the arrival of the hot fluid in the center of the sealed enclosure 1 by means of a central collector 10 and to surround this hot zone by a peripheral cold buffer zone by means of the deflectors respectively 45, 46 and 47 around the inlet pipe 14 of the hot fluid, the central collector 10 and the pipe 32 for discharging the heated fluid.
  • the heat exchange system according to the invention has the advantage, because of its design, of being compact and of having a large exchange surface, while allowing the various elements of the component to be able to expand freely from the makes a significant temperature difference between the hot fluid and the cold fluid.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
EP06291971A 2006-01-20 2006-12-18 Wärmeaustauschvorrichtung Active EP1811256B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0600550A FR2896576B1 (fr) 2006-01-20 2006-01-20 Installation d'echange thermique a faisceaux de plaques

Publications (2)

Publication Number Publication Date
EP1811256A1 true EP1811256A1 (de) 2007-07-25
EP1811256B1 EP1811256B1 (de) 2008-07-16

Family

ID=37055600

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06291971A Active EP1811256B1 (de) 2006-01-20 2006-12-18 Wärmeaustauschvorrichtung

Country Status (6)

Country Link
US (1) US20070169924A1 (de)
EP (1) EP1811256B1 (de)
JP (1) JP2007192535A (de)
CN (1) CN100504274C (de)
DE (1) DE602006001840D1 (de)
FR (1) FR2896576B1 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7422429B2 (en) * 2006-08-14 2008-09-09 Suncue Company Ltd. Heat exchange furnace and its manufacturing process
US7393206B2 (en) * 2006-08-14 2008-07-01 Suncue Company Ltd. Heat exchange furnace with serpentine gas flow path disposed within heat exchange space
CN102016484A (zh) * 2008-05-05 2011-04-13 开利公司 包括多流体回路的微通道热交换器
PL2818821T3 (pl) * 2013-06-27 2016-07-29 Linde Ag Nawijany wymiennik ciepła z zasilaniem rury rdzeniowej
FR3009862B1 (fr) * 2013-08-26 2015-09-11 Commissariat Energie Atomique Echangeur de chaleur entre deux fluides, utilisation de l'echangeur avec du metal liquide et du gaz, application a un reacteur nucleaire a neutrons rapides refroidi avec du metal liquide
CN107543428B (zh) * 2017-09-07 2019-04-16 西安交通大学 一种用于核电工业的紧凑式换热器
SG11202011290RA (en) * 2018-05-31 2020-12-30 Dow Global Technologies Llc Distributor and method for polymer solution devolatilization
CN114294991B (zh) * 2021-12-01 2023-10-24 浙江搏克换热科技有限公司 一种可调式缓冲型防冲机构及绕管式换热器

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2772468A1 (fr) * 1997-12-17 1999-06-18 Packinox Sa Echangeur thermique a plaques
FR2797039A1 (fr) * 1999-07-27 2001-02-02 Ziepack Echangeur de chaleur en module d'echange s'y rapportant
EP1153653A1 (de) * 2000-05-11 2001-11-14 Methanol Casale S.A. Reaktor für exotherme oder endotherme Reaktionen

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3796547A (en) * 1969-11-26 1974-03-12 Texaco Inc Heat exchange apparatus for catalytic system
JPH05501379A (ja) * 1990-05-22 1993-03-18 アスタノヴスキー，レフ　ザルマノヴィッチ 粒状ベッド中で触媒作用を行うための装置
CN2132143Y (zh) * 1992-03-14 1993-05-05 方心树 板壳式换热器
GB2328275B (en) * 1997-06-03 2000-08-16 Chart Marston Limited Heat exchanger and/or fluid mixing means
FI114738B (fi) * 2000-08-23 2004-12-15 Vahterus Oy Levyrakenteinen lämmönvaihdin

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2772468A1 (fr) * 1997-12-17 1999-06-18 Packinox Sa Echangeur thermique a plaques
FR2797039A1 (fr) * 1999-07-27 2001-02-02 Ziepack Echangeur de chaleur en module d'echange s'y rapportant
EP1153653A1 (de) * 2000-05-11 2001-11-14 Methanol Casale S.A. Reaktor für exotherme oder endotherme Reaktionen

Also Published As

Publication number Publication date
CN101004328A (zh) 2007-07-25
FR2896576B1 (fr) 2008-04-18
JP2007192535A (ja) 2007-08-02
FR2896576A1 (fr) 2007-07-27
EP1811256B1 (de) 2008-07-16
DE602006001840D1 (de) 2008-08-28
CN100504274C (zh) 2009-06-24
US20070169924A1 (en) 2007-07-26

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