EP1995545B1 - Appareil à plaques pour processus de transmission thermique - Google Patents

Appareil à plaques pour processus de transmission thermique Download PDF

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Publication number
EP1995545B1
EP1995545B1 EP08009349.5A EP08009349A EP1995545B1 EP 1995545 B1 EP1995545 B1 EP 1995545B1 EP 08009349 A EP08009349 A EP 08009349A EP 1995545 B1 EP1995545 B1 EP 1995545B1
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EP
European Patent Office
Prior art keywords
flow
webs
layers
inserts
rectangular channel
Prior art date
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Active
Application number
EP08009349.5A
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German (de)
English (en)
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EP1995545A2 (fr
EP1995545A3 (fr
Inventor
Peter Jähn
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Ehrfeld Mikrotechnik BTS GmbH
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Ehrfeld Mikrotechnik BTS GmbH
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Publication of EP1995545A2 publication Critical patent/EP1995545A2/fr
Publication of EP1995545A3 publication Critical patent/EP1995545A3/fr
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    • 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
    • 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
    • F28F13/12—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media by creating turbulence, e.g. by stirring, by increasing the force of circulation
    • 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
    • F28F3/02—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations
    • 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
    • F28D2021/0022—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for chemical reactors
    • 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
    • F28D2021/0098—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for viscous or semi-liquid materials, e.g. for processing sludge
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2225/00—Reinforcing means
    • F28F2225/04—Reinforcing means for conduits
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2265/00—Safety or protection arrangements; Arrangements for preventing malfunction
    • F28F2265/12—Safety or protection arrangements; Arrangements for preventing malfunction for preventing overpressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2280/00—Mounting arrangements; Arrangements for facilitating assembling or disassembling of heat exchanger parts
    • F28F2280/02—Removable elements

Definitions

  • the invention relates to a disk apparatus and method for heat transfer operations.
  • Such a plate heat exchanger in which corrugated sheets are stacked 90 degrees offset from each other, for example, shows the publication US 4,246,963 ,
  • the object of the invention is to develop for chemical endothermic or exothermic reactions and for heat exchange processes at high pressures up to 500 bar and at the same time high temperatures up to 500 ° C, an apparatus and a method in which duct or pipe walls are made significantly thinner can and the flow of liquids, gases and multiphase fluids and viscous substances is improved, so that procedural operations can be performed more efficiently and the apparatus can be built more cost effective and compact as possible. Furthermore, it is an object to provide a good and improved cleaning option for an operator to perform in case of contamination and fouling on the heat exchange surfaces fast cleaning and thus to reduce production loss.
  • the object was achieved by an inventive plate apparatus for heat transfer processes, which can be built in a particularly compact and material-saving form and in which a cleaning is very easy.
  • a plate apparatus for heat transfer which is characterized in that it comprises at least one rectangular channel (1) through which a fluid can pass, comprising upper and lower, smooth, in particular flat, straight, undeformed, wide walls (2, 3) and left and right side walls (4, 5), the width walls being thinner than side walls, the walls of the rectangular channel are non-detachably and gas-tightly connected to one another and the rectangular channel for a fluid in the flow direction (6) can be flowed through in its longitudinal extension, and width walls and side walls together form a flow-through cross-section for the inflow of a fluid whose quotient of inner width wall to inner height extent of the side wall is greater than 20 to less than 1000, and the interior of the rectangular channel is equipped with at least one extractable flow-through, one- or multi-piece insert (7) with surface contact with the rectangular channel whose outer geometric dimensions fill the interior of the rectangular channel, and at least on an outer width wall, over the entire width and length, at least one flow-through, one or more pieces essay (8)
  • a plurality of shorter intermediate webs extend to the opposite parallel spring bar, and intermediate webs in straight extension have a spring gap (206,306) with deformation path (207,307) and limit deformation of the spring bar and in the inflow and outflow zones of the fluids, a plurality of support ribs (208, 308) of different lengths protrude into the flow area, Webs one-sided surface contact to the width wall or to the width plate and one-sided surface contact with adjacent webs of adjacent layers have to conduct existing compressive forces in the surrounding outer housing, and connecting, intermediate and supporting webs of layers of the inserts and attachments to the respective main flow direction have an inclination angle a of 10 to 70 degrees, and in each case one of the two layers of inserts and attachments turned by 180 degrees about its own longitudinal axis of elongation and placed on the other layer, thereby the existing inclination angle ⁇ of the webs alternated, thereby cross webs and form backmixing low-flow
  • Wide and flat rectangular channels with thin width walls behave like diaphragms under internal pressure load, so that even under low load a strong deformation occurs.
  • the surfaces of the webs of the applied essays ensure uniform and stable support of the width walls, so that the material thickness of the width wall must absorb the compressive forces acting only partially in the section of the respective gap.
  • the webs of the articles consist e.g. made of incompressible materials, so that the active forces can be guided over webs of the attachment layers to the width plate and forwarded to the attachment plates of the housing.
  • Occurring forces in the flow areas in the interior of the housing can be partially compensated, so that only the housing is loaded by effective forces.
  • the attachment plates restrict the movement space of the attachments, so that the loose attachment layers between the rectangular channel and the housing are inserted almost free of play, in particular are clamped.
  • the membrane-like width walls can compress the layers of the inserts without play, so that a large-area contact with the webs of the inserts arises, and form the inserts additional internal heat transfer ribs and contribute to an increase in performance of the apparatus.
  • Structured inserts and attachments simultaneously increase the flow velocity and thus turbulence, which also increases the heat transfer performance.
  • the side walls of the rectangular channels are supported by top plates of the housing so that welding connections between side and width wall of the rectangular channel take over essentially only sealing functions.
  • the material consumption of the inventive plate apparatus for heat transfer is low, since only the housing is made thick-walled to take pressure or impact forces on.
  • Undetachable connections of the side wall and the wide wall of a rectangular channel can be produced by welding technology or by a soldering process.
  • the plate apparatus has in its structure two separate flow areas, so that even incompatible fluids in the apparatus can be subjected to an energy exchange. It may be advantageous that layers of inserts and essays are structured differently, so in particular the gaps between the webs can be made different widths.
  • Characteristic of the process technology heat transfer between two fluid streams in an apparatus application is that fluids with different pressure levels are fed into the apparatus and are exposed to width plates and top plates of a different load. As a result, it is advantageous to pass the higher pressure fluid stream through the rectangular channel and direct the low pressure fluid flow through the flow area of the tips. As a result, attachment plates can be made thinner than the width plates.
  • the main compressive load is passed through width walls of the rectangular channel over the loose webs of the attachments to the width plate of the housing, so that the attached to the width plate top plates are subjected to a tensile load substantially to keep inner internals of the housing stabilized and not subject to deformation. The width plate is then executed stably.
  • the layers of the attachments and inserts will be of different thickness and structure so that flow resistances and flow rates are different to improve the heat exchange.
  • Process-related contaminants and deposits on the inner heat-transferring walls of the rectangular channel may require that the layers of the inserts must be quickly interchangeable and drawable.
  • Particularly advantageous are the slot-shaped openings of Anströmplatten, can be pulled over the inserts out of the rectangular channel out to perform a device cleaning very easy and fast. Due to the marginality of the inserts, a scraping of inner deposits in the rectangular channel takes place simultaneously when the insert layers are pulled.
  • the layers of the essays are made in several pieces, so that the length of the width of the rectangular channel wall is covered by a plurality of juxtaposed essays
  • the essays are based on the wider side walls of the rectangular channel.
  • the plate apparatus and inserts and attachments can be made predominantly of materials such as steel, Cr-Ni steels, high-alloy Ni steels, nickel, titanium, aluminum, but they can also be made of non-metallic materials. Depending on the corrosion requirements, material pairings can also be used.
  • the innovative plate apparatus is particularly economical when chemical processes require corrosion-resistant, difficult-to-process and expensive materials.
  • Another inventive embodiment is when a plurality of rectangular channels are positioned in a plane next to each other, and have at least one common attachment and a common housing. Several rectangular channels are guided in a common slot-shaped opening of the Anströmplatte and there are firmly and tightly connected to the Anströmplatte of the housing.
  • An inventive embodiment of the layers of the inserts is that a very wide rectangular channel is filled with several juxtaposed inserts with at least two superimposed structured layers.
  • layers of the inserts (7) and attachments (8) may be characterized in that the contact surfaces of the rectangular ridges and the associated gaps (201, 301) of inserts (7) and attachments (8) in one use of the disk apparatus meet the process requirements in the respective flow direction (6, 18) adapted and have different widths.
  • gaps allow a good adaptation with regard to the flow loss, so that fluids can be tempered in a wide viscosity range.
  • the gap width in the respective flow direction influences the thickness of the wide wall of the rectangular channel, so that different effective forces are taken into account.
  • effective forces are meant the forces of the respective fluid pressure.
  • inserts and attachments may be further characterized in that inserts and attachments have different heights to provide low pressure loss flow regions.
  • Differently formed heights of inserts between the parallel width walls of the rectangular channel and attachments between outer surface of the width wall and parallel inner surface of the width plate provide for a low flow loss and promote the heat exchange.
  • Different heights of the inserts and attachments are formed by using different sheet thicknesses for structured layers.
  • Inventive attachments are characterized in preferred value formation in that essays with at least two superposed structured layers are made, the layers to the respective main flow direction inclined connecting, shorter intermediate webs (305) and support webs (308), which at an angle a of 10 degrees 45 degrees and preferably at an angle a of 30 degrees to 45 degrees to the flow direction, and located in extension of the intermediate webs spring gaps (306) with deformation path (307) on the inner housing surface (11, 14, 15) and or to adjacent attachment layers ends and the spring bar parallel to the guide web performs the function of a second longer spring bar.
  • Spring webs of layers of the inserts and attachments with associated deformation paths and options have a special significance, they compensate for dimensional manufacturing inaccuracies of the surrounding components and avoid the formation of flow-through corners in the flow areas. Furthermore, the assembly and disassembly is much easier
  • Inventive inserts of the rectangular channel may be characterized in that inserts consist of at least two superimposed structured layers, the layers with respective main flow direction inclined connecting and intermediate and supporting webs with gaps and have an angle ⁇ of 15 degrees to 45 degrees to a backmixing low flow guidance with low pressure drop in the rectangular channel to allow.
  • Layers of the inserts are preferably made of undeformed straight metal sheets, so that a desired gap structure is incorporated by means of known cutting or etching methods.
  • Inventive structured layers of the inserts may be characterized in that each structured layer has in its longitudinal extension on both sides parallel resilient and deformable spring bars and the spring bars are connected to at least three connecting webs in the layer plane, and between the connecting webs in the flow direction, starting from the lateral spring bar a Variety of shorter intermediate webs to the opposite spring bar straight and straight extension of the gutter to the opposite spring bar a spring gap is formed which limits the deformation of the spring bar, and between the connecting webs sections arise in which the spring gaps are different in width.
  • outer spring and guide webs have recesses (209) to minimize the frictional surface to the side wall (4, 5) of the rectangular channel (1) and the force to be applied for inserting the inserts predominantly to use for clamping with the rectangular channel.
  • attachments may be characterized in that layers of the attachments are loosely sandwiched between rectangular channels and or housings, and a number of juxtaposed and superimposed layers fully support the width wall of the rectangular channel in the longitudinal expansion under internal compressive load, completely completing the travel of the layers of the attachments tight fitting top plates, Anströmplatten and rectangular channels is limited, the maximum range of motion corresponds to the deformation path (307) of the spring gap and the layers of the essays are not removable, so that the deformation path is greater 0 to 10 mm, preferably greater than 0 to 3 mm and more preferably greater than 0 to less than 1 mm,
  • the inventive housing may be characterized in that the width plates (12, 13) running parallel to the width wall of the rectangular channel have a greater wall thickness than the lateral attachment plates (14, 95) having openings (16).
  • the inventive housing may be characterized in that the parallel width plates are provided with a tempering channel (23) in order to keep the temperature differences between rectangular channel and housing low during tempering operations.
  • An inventive embodiment of the housing is e.g. characterized in that at least one attachment plate with openings is made detachable to make layers of essays changeable.
  • a rectangular channel may also be characterized in that the thickness of the parallel width walls (2, 3) is thinner than that of the lateral side walls (4, 5).
  • structured layers of inserts and attachments may be characterized in that the gaps (201, 301) between connecting and intermediate and supporting webs have a width of 1 to less than 30 mm, preferably the width is 1 to 10 mm and particularly preferred the width of 1.5 to 9 mm in size.
  • a method is characterized in that throughflowable rectangular channels are operated with inserts having a higher process pressure, as the through-flowable attachments and width plates of the housing are made thicker than the attachment plates.
  • a method can be characterized in that flow-through attachments between the rectangular channel and or housing are operated at a higher process pressure than through-flow rectangular channels and the gaps of the webs in the layers of the inserts have a smaller distance from each other than those of the essays.
  • An inventive embodiment of the plate apparatus may further be characterized in that Wegströmbare rectangular channels with inserts made of corrosion resistant materials, such as metallic materials such as steel, Cr-Ni alloys, titanium, copper, aluminum and nickel, and materials of the articles preferably made of good heat conducting Materials such as steel, copper or aluminum.
  • corrosion resistant materials such as metallic materials such as steel, Cr-Ni alloys, titanium, copper, aluminum and nickel
  • materials of the articles preferably made of good heat conducting Materials such as steel, copper or aluminum.
  • a method and the use of the inventive plate apparatus as a flow reactor may be characterized in that flows in a plate apparatus, the rectangular channels with inserts meandered by the fluid, the connection adapter of the Anströmplatten have openings for the Fluidzu Featuresrng and -abön and additional deflection chambers, so that the Flow path and the residence time of the fluid is increased significantly in an apparatus without increasing the physical dimensions of the apparatus.
  • attachments may be enclosed by their own surrounding rectangular channel, rectangular channels of inserts and attachments intersect at different levels, and rectangular channels may be routed into slot-shaped openings of the attachment plates where they are sealed to the housing.
  • Another rectangular channel for receiving drawable attachments wherein the rectangular channel has the same construction features as that for the inserts, allows the energy exchange of material flows in both flow areas backmixing by lead. It is particularly advantageous that the second flow region of the essays has a good cleaning ability by pulling the attachment layers over slit-shaped openings of the attachment plates.
  • the inventive disk apparatus is shown in its construction in a sectional view. It is the flow-through rectangular channel (1), consisting of upper and lower, straight undeformed width wall (2,3) and left and right side wall (4,5) to recognize.
  • the side walls are covered by the width walls above and below, the width walls being thinner than the side walls.
  • Wide. and side walls of the rectangular channel are non-releasable and gas-tight connected by non-illustrated, welds or solder joints, so that the rectangular channel for a fluid in the flow direction (6) can be flowed through over the entire longitudinal extent of the rectangular channel.
  • the interior of the rectangular channel is filled with a removable insert (7) consisting of two layers (200) whose outer geometric dimensions fill the interior of the rectangular channel and stabilize the position of the membrane-like width walls (2, 3), so that a To prevent deformation inward under external load.
  • attachments (8) On the outer width walls, over its entire width and length, attachments (8) are shown, the surface contact with the rectangular channel, in particular to the width wall and the width plate (12,13) and are loosely placed.
  • the figures show layers (300) of the attachments (8).
  • the height of the attachments ends at the inner surface of the width plate of the housing.
  • the loosely mounted attachments are chambered by top plates (14, 15) and face plates (10, 11) of the housing. So that the rectangular channel with lying essays on all sides by a tight-fitting housing (9) is enclosed.
  • the housing has front and rear Anströmplatte (10,11), upper and lower width plate (12, 13), with tempering chamber (23), and lateral attachment plates (14, 15) with openings (16), all housing parts are insoluble with each other connected to take pending forces from the innern of the housing.
  • Anströmplatten slot-shaped openings (17) are incorporated, there protrude the rectangular channels in order to be there also inseparable and tightly connected to the housing.
  • the permanent joints are made by known methods such as welding and brazing.
  • the outer casing is formed as a pressure-bearing member.
  • Detachable connecting elements of the connection adapter for example, screws or clamp connectors, they are not shown in the figure.
  • corresponding seals of the detachable components are not shown, here, for example, flat gaskets, O-rings or metallic seals can be used.
  • the illustrated tempering channel (23) on the width plates serves to reduce temperature differences between the rectangular channel and the housing and can serve as a compensator replacement. It is also possible, instead, to provide a compensator to compensate for different temperature expansions.
  • FIGS. 2 and 2.1 is a structured layer (200) of an insert (7) with parallel spring bar (202) and guide web (204) to see.
  • Spring bar (202) and guide bar (204) are connected to a connecting web (203), and predominantly from the guide web (204) a plurality of intermediate webs (205), for example, at an angle a of 45 degrees directed to the spring bar (202) extend and in the Extension a spring gap (206) with a forming spring travel (207) connects.
  • Gaps (201) are present between connecting webs and intermediate webs, so that when the second layer (200, 200 ') is superimposed on one another, webs and gaps intersect and the insert consisting of at least two layers for a fluid can flow through.
  • the Figure 2.2 shows a section, in particular, the spring gap (206) and the resulting deformation path (207) can be clearly seen.
  • FIG. 3 and FIG. 3.1 an exemplary embodiment of a layer of an insert is shown, but over the entire layer length distributed a plurality of connecting webs (203) are present and the layer as a whole stabilized in particular in the longitudinal extent to facilitate installation in the rectangular channel. Furthermore, the spring gap (206, 206 ') and the associated deformation path have been varied, so that different deformation paths (207, 207') are incorporated in a layer structure, and as a result large unevenness and geometric deviations during insertion can also be suppressed. As shown in the figure, the spring gaps and deformation paths can also be arranged on both sides in the layer plane in order to achieve maximum flexibility.
  • FIGS. 4 and 4.1 shows a particular embodiment of a particularly broad structured layer (200) for the formation of an insert, for example, two geometries are integrally combined in one layer, so that the guide web (204) is mounted centrally.
  • the geometric structure of each permeable side corresponds for example to the FIG. 2 , it forms in the middle of the guide bar (204) and two outer spring bars (202).
  • FIG. 4 . 1 shows two superposed layers (200, 200 ') FIG. 4 to form an insert.
  • FIG. 5 shows an example of the layer structure (300) of an essay in a mounting situation with surrounding housing plates (11, 14, 15).
  • Outer guide (304) and spring bars (302) are connected to the connecting web (303) and perform dual functions with respect to the guide and the spring. Due to the chambered installation position of the layers of an essay Support webs (308) and intermediate webs (305) each spring gaps and associated spring travel. In particular, it is ensured that width walls of the rectangular channels are well supported by essays and layers of the essays can also be used under slight tension between the housing plates (14,15) in the flow direction (18).
  • the spring bar has recesses 209 to minimize friction surface and thus frictional force to the side wall 4 of the rectangular channel upon insertion of the inserts.

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  • 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)
  • Physical Or Chemical Processes And Apparatus (AREA)

Claims (16)

  1. Appareil à plaques destiné à la transmission thermique, qui comprend au moins un canal rectangulaire (1) pouvant être parcouru par un fluide, qui présente une paroi de largeur (2, 3) supérieure et inférieure lisse, en particulier plane, droite non déformée et une paroi latérale gauche et droite (4, 5), dans lequel les parois de largeur sont plus minces que les parois latérales, les parois dudit au moins un canal rectangulaire sont assemblées les unes aux autres de façon inséparable et étanche au gaz et ledit au moins un canal rectangulaire peut être parcouru par un fluide dans sa dimension longitudinale dans la direction d'écoulement (6), dans lequel les parois de largeur et les parois latérales forment ensemble une section transversale pouvant être parcourue par un fluide, dont la largeur intérieure est plus de 20 fois à moins de 1000 fois plus grande que sa hauteur intérieure et dans lequel l'espace intérieur dudit au moins un canal rectangulaire est garni d'au moins un insert en une ou plusieurs parties (7), pouvant être retiré et parcouru, en contact plat avec ledit au moins un canal rectangulaire, et dont les dimensions géométriques extérieures remplissent l'espace intérieur dudit au moins un canal rectangulaire et dans lequel au moins un ajout en une ou plusieurs parties (8), pouvant être parcouru, est posé librement sur une paroi de largeur extérieure, sur toute sa dimension de largeur et de longueur, en contact plat avec ledit au moins un canal rectangulaire ou boîtier et dans lequel ledit au moins un canal rectangulaire est entouré sur tous les côtés, en même temps que l'ajout, par un boîtier étroitement appliqué (9), dans lequel le boîtier comprend des plaques d'impact avant et arrière (10, 11), parallèlement aux parois de largeur dudit au moins un canal rectangulaire une plaque de largeur supérieure et inférieure (12, 13) et des plaques appliquées (14, 15) avec des ouvertures (16), des ouvertures en forme de fentes (17) sont pratiquées dans les plaques d'impact pour recevoir des canaux rectangulaires et toutes les plaques de boîtier sont assemblées les unes aux autres de façon inséparable, dans lequel ledit au moins un canal rectangulaire est engagé dans l'ouverture en forme de fente des plaques d'impact et y est également assemblé, et un boîtier étanche vers l'extérieur est ainsi formé, qui comporte à l'intérieur des zones d'écoulement séparées, et dans lequel en outre des forces de pression survenues à partir des zones d'écoulement sont transmises au boîtier par des contacts plats et les zones d'écoulement fluides séparées (6, 18) sont superposées dans le boîtier, et les directions de traversée des inserts et des ajouts se croisent sous un angle de 90 degrés dans des plans différents décalés en hauteur et le boîtier est muni d'adaptateurs de raccordement amovibles pour des plaques d'impact (19, 20) et d'adaptateurs de raccordement pour des plaques appliquées (21, 22), afin de permettre une arrivée et une évacuation de fluides et dans lequel les inserts amovibles (7) et les ajouts appliqués (8) pouvant être parcourus comprennent au moins deux couches structurées droites (200, 300), non déformées dans le plan des couches, dont la structure se forme à partir de nervures et d'intervalles fonctionnels rectangulaires (201, 301), dans lequel les couches remplissent l'espace pouvant être parcouru correspondant avec leurs dimensions géométriques et soutiennent ainsi les faces intérieures et extérieures des minces parois de largeur par des contacts plats des nervures, dans lequel chaque couche structurée comporte dans sa dimension longitudinale au moins une languette de bord souple et/ou déformable (202, 302) s'étendant parallèlement à la paroi latérale (4, 5) ou à la plaque frontale et la languette est reliée dans le plan des couches par au moins une languette de liaison (203, 303) à la languette de guidage s'étendant parallèlement (204, 304) dans le plan des couches et, partant de la languette de guidage et/ou de la languette de bord, une multiplicité de languettes intermédiaires plus courtes (205, 305) s'étendent jusqu'à la languette de bord parallèle opposée, et des languettes intermédiaires comportent en prolongement droit un intervalle de languette (206, 306) avec un chemin de déformation (207, 307) et limitent une déformation de la languette de bord et une multiplicité de languettes de soutien de différentes longueurs (208, 308) pénètrent dans la zone d'écoulement dans la zone d'arrivée et d'évacuation des fluides et des languettes ont un contact plat unilatéral avec la paroi de largeur ou avec la plaque de largeur et un contact plat unilatéral avec des languettes voisines de couches voisines afin de diriger les forces de pression présentes dans le boîtier extérieur environnant, dans lequel des languettes de liaison, intermédiaires et de soutien de couches des inserts et des ajouts présentent un angle d'inclinaison α de 10 à 70 degrés avec la direction d'écoulement principale respective et chaque fois une des deux couches d'inserts et d'ajouts est tournée de 180 degrés autour d'un axe longitudinal propre de la dimension longitudinale et est posée sur l'autre couche, ce qui fait alterner l'angle d'inclinaison existant α des languettes, et ainsi les languettes se croisent et forment des sections pouvant être parcourues sans remélange par un fluide.
  2. Appareil à plaques selon la revendication 1, caractérisé en ce que les faces de contact des languettes rectangulaires (203, 205, 208, 303, 305, 308) et les intervalles correspondants (201, 301) d'inserts (7) et d'ajouts (8) sont de largeur différente.
  3. Appareil à plaques selon l'une quelconque des revendications précédentes, caractérisé en ce que les inserts (7) et les ajouts (8) ont des hauteurs différentes, afin de créer des zones d'écoulement sans perte de pression.
  4. Appareil à plaques selon l'une quelconque des revendications précédentes, caractérisé en ce que des ajouts (8) présentent au moins deux couches structurées superposées (300), les couches (300) comportent des languettes de liaison (303), des languettes intermédiaires plus courtes (305) et des languettes de soutien (308) inclinées par rapport à la direction d'écoulement principale respective, qui forment un angle α de 10 degrés à 45 degrés, et de préférence un angle α de 30 degrés à 45 degrés avec la direction d'écoulement (18), et les intervalles de languettes (306) se trouvant dans le prolongement des languettes intermédiaires (305) se terminent avec un chemin de déformation (307) à la face intérieure de boîtier (11, 14, 15) et/ou à des couches d'ajout voisines (300) et la languette de guidage (304) s'étendant parallèlement à la languette de bord (302) assure la fonction d'une deuxième languette de bord (302) plus longue.
  5. Appareil à plaques selon l'une quelconque des revendications précédentes, caractérisé en ce que chaque couche structurée (200, 300) présente dans sa dimension longitudinale des languettes de bord (202, 302) élastiques et déformables s'étendant parallèlement de part et d'autre et les languettes de bord (202, 302) sont reliées à au moins trois languettes de liaison (203, 303) dans le plan de couche, et une multiplicité de languettes intermédiaires plus courtes (205, 305) s'étendent en ligne droite, entre les languettes de liaison (203, 303) dans la direction d'écoulement (6, 18) à partir de la languette de bord latérale (202, 302) jusqu'à la languette de bord opposée (202, 302) et il se forme, dans le prolongement droit de la languette intermédiaire (205, 305) vers la languette de bord opposée (202, 302), un intervalle de languettes (206, 306) qui limite le chemin de déformation (207, 307) de la languette de bord (202, 302), et il se forme entre les languettes de liaison (203, 303) des sections dans lesquelles les intervalles de languettes (206, 306) sont de largeur différente.
  6. Appareil à plaques selon l'une quelconque des revendications précédentes, caractérisé en ce que des couches (300) des ajouts (8) sont posées librement entre des canaux rectangulaires (1) et/ou un boîtier (9), et une multiplicité de couches juxtaposées et superposées soutiennent totalement la paroi de largeur (2, 3) du canal rectangulaire (1) dans la dimension longitudinale lors d'une mise sous pression intérieure, l'espace de mouvement des couches (300) des ajouts (8) est entièrement limité par des plaques d'ajout étroitement appliquées (14, 15), des plaques d'impact (10, 11) et des canaux rectangulaires (1), l'espace de mouvement maximal correspond au chemin de déformation (307) des intervalles de languettes (306), et les couches (300) des ajouts (8) ne peuvent pas être enlevées, de telle manière que le chemin de déformation (307) vaille plus de 0 à 10 mm, de préférence plus de 0 à 3 mm, et de préférence encore soit plus grand que 0 et plus petit que 1 mm.
  7. Appareil à plaques selon l'une quelconque des revendications précédentes, caractérisé en ce qu'au moins une plaque appliquée (14, 15) est amovible avec des ouvertures, afin de pouvoir configurer des couches (300) des ajouts (8) sous forme interchangeable.
  8. Appareil à plaques selon l'une quelconque des revendications précédentes, caractérisé en ce que des ajouts (8) pouvant être parcourus entre un canal rectangulaire (1) et/ou un boîtier (9) fonctionnent avec une pression de processus plus élevée que des canaux rectangulaires pouvant être parcourus (1) et les intervalles (201) des languettes (203, 205, 208) dans les couches (200) des inserts (7) présentent une distance l'un de l'autre plus petite que ceux des ajouts (8).
  9. Appareil à plaques selon l'une quelconque des revendications précédentes, caractérisé en ce que des ajouts (8) sont entourés par un canal rectangulaire environnant particulier, des canaux rectangulaires (1) d'inserts (7) et des canaux rectangulaire d'ajouts (8) se croisent dans des plans différents et des canaux rectangulaires d'ajouts sont guidés dans des ouvertures en forme de fentes des plaques appliquées (14, 15) et y sont assemblés de façon étanche au boîtier.
  10. Appareil à plaques selon l'une quelconque des revendications précédentes, caractérisé en ce que des inserts (7) dans les canaux rectangulaires (1) et des ajouts (8) avec contact plat avec la paroi de largeur (2, 3) du canal rectangulaire (1) se composent de tôles ou de feuilles planes et non déformées, qui sont structurées dans la direction d'écoulement (6) par au moins une rangée d'intervalles usinés dans la dimension longitudinale du canal rectangulaire (1), les dimensions de largeur des intervalles (201) des inserts (7) dans le plan de tôle ou de feuille respectif sont plus courtes qu'une ligne imaginaire s'étendant parallèlement à l'intervalle entre les parois latérales intérieures (4, 5) de limitation du canal rectangulaire (1), et des languettes (205) s'étendant parallèlement à l'intervalle entre les parois latérales (4, 5) du canal rectangulaire (1) présentent un chemin de languette (207), destiné à compenser des imprécisions de fabrication dans la dimension de largeur du canal rectangulaire (1).
  11. Appareil à plaques selon l'une quelconque des revendications précédentes, caractérisé en ce que des inserts (7) et des ajouts (8) se composent d'au moins deux couches planes superposées (200, 300) structurées et retournées et les languettes s'étendant sous l'angle α se croisent et forment dans la section de croisement des faces de transmission de force rectangulaires, par lesquelles les forces provenant de l'espace intérieur du canal rectangulaire (1) sont conduites perpendiculairement au boîtier extérieur (9) d'enveloppe et de reprise de forces.
  12. Appareil à plaques selon l'une quelconque des revendications précédentes, caractérisé en ce que des languettes croisées (205, 305) sont formées de sections planes et plates qui se croisent, qui sont caractérisées en ce qu'une multiplicité de petites faces de transmission de forces se forment de façon répartie à l'intérieur des zones d'écoulement et la distance des faces de transmission de forces d'inserts (7) et d'ajouts (8) sont de grandeur identique ou différente, afin d'empêcher une déformation des parois de largeur (2, 3) des canaux rectangulaires (1).
  13. Appareil à plaques selon l'une quelconque des revendications précédentes, caractérisé en ce que des inserts (7) dans les canaux rectangulaires (1) sont revêtus d'une substance à action catalytique pour la transmission de chaleur et l'exécution de réactions chimiques, ou des inserts (7) sont constitués de matériaux à action catalytique, afin de commander ou d'accélérer une réaction chimique dans le réacteur.
  14. Utilisation de l'appareil à plaques selon l'une quelconque des revendications précédentes comme réacteur d'écoulement, caractérisée en ce que le réacteur possède au moins un canal rectangulaire (1) avec des inserts (7), des ajouts correspondants (8) ainsi qu'un boîtier d'enveloppe (9) et des liquides et/ou des gaz sont fournis dans le canal rectangulaire (1), qui sont intimement mélangés dans le canal rectangulaire (1) par des inserts (7) et réagissent les uns avec les autres, afin de former une nouvelle substance chimique.
  15. Appareil à plaques selon l'une quelconque des revendications précédentes 1 à 13, caractérisé en ce qu'il comprend plusieurs canaux rectangulaires (1) avec des inserts (7).
  16. Procédé de conduite d'un appareil à plaque destiné à la transmission thermique selon la revendication 15, caractérisé en ce que les canaux rectangulaires (1) sont parcourus de façon sinueuse par le fluide, les adaptateurs de raccordement (19, 20) des plaques d'impact (10, 11) présentent au moins une ouverture (17) pour la fourniture et/ou l'évacuation de fluide et des chambres de déviation supplémentaires, de telle manière que le chemin d'écoulement et le temps de séjour du fluide dans un appareil soient sensiblement accrus, sans augmenter les dimensions de construction de l'appareil.
EP08009349.5A 2007-05-23 2008-05-21 Appareil à plaques pour processus de transmission thermique Active EP1995545B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102007024379A DE102007024379A1 (de) 2007-05-23 2007-05-23 Plattenapparat für Wärmeübertragungsvorgänge

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EP1995545A2 EP1995545A2 (fr) 2008-11-26
EP1995545A3 EP1995545A3 (fr) 2009-03-25
EP1995545B1 true EP1995545B1 (fr) 2016-04-13

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DE (1) DE102007024379A1 (fr)

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DE102021115881A1 (de) 2021-06-18 2022-12-22 Ineratec Gmbh Multilagenreaktor mit mehreren Strukturlagen
US12429293B1 (en) * 2025-02-04 2025-09-30 Prmf “Ankor-Teploenergo” Plate heat exchanger comprising plates with cutouts

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US11879694B2 (en) 2017-12-29 2024-01-23 Ehrfeld Mikrotechnik Gmbh Turbulator and channel and process apparatus with a turbulator

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Publication number Publication date
EP1995545A2 (fr) 2008-11-26
DE102007024379A1 (de) 2008-11-27
EP1995545A3 (fr) 2009-03-25

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