EP2799802A1 - Heat exchanger for installation in confined spaces - Google Patents
Heat exchanger for installation in confined spaces Download PDFInfo
- Publication number
- EP2799802A1 EP2799802A1 EP14166628.9A EP14166628A EP2799802A1 EP 2799802 A1 EP2799802 A1 EP 2799802A1 EP 14166628 A EP14166628 A EP 14166628A EP 2799802 A1 EP2799802 A1 EP 2799802A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- plate
- heat exchanger
- plates
- exchanger according
- plate heat
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
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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
- F28D9/0031—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 conduits for one heat-exchange medium being formed by paired plates touching each other
- F28D9/0037—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 conduits for one heat-exchange medium being formed by paired plates touching each other the conduits for the other heat-exchange medium also being formed by paired plates touching each other
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F21/00—Constructions of heat-exchange apparatus characterised by the selection of particular materials
- F28F21/06—Constructions of heat-exchange apparatus characterised by the selection of particular materials of plastics material
- F28F21/065—Constructions of heat-exchange apparatus characterised by the selection of particular materials of plastics material the heat-exchange apparatus employing plate-like or laminated 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
- F28F2255/00—Heat exchanger elements made of materials having special features or resulting from particular manufacturing processes
- F28F2255/08—Heat exchanger elements made of materials having special features or resulting from particular manufacturing processes pressed; stamped; deep-drawn
Definitions
- the heat exchanger is made of stacked preferably made by thermoforming plastic sheets.
- the deep-drawing process greatly reduces the wall thickness inside the channels, resulting in significantly improved heat transfer.
- the plates form so profiled plates.
- the heat exchanger (including heat exchanger) is constructed for a countercurrent principle, since then the efficiency is higher.
- the profiled plates and air-conducting elements are arranged so that they realize the desired support between each other as well as the air flow and associated two (physically separate) flow paths with the alternating stacking.
- the plates are preferably welded or glued together, so that the individual plates are sealed against each other.
- a plate heat exchanger comprises a plate stack with different plates 1 and 2 and a cover plate 3. Between the plates 1 and 2 and the end plate 3 flow channels are formed, which are operated in countercurrent.
- a central portion 10 which is formed substantially rectangular in shape and on opposite sides each have a triangular portion 14.
- At the triangular portion 14 are each an inlet A 1 or B 1 and a Outlet A 2 or B 2 formed.
- On one side of the inlet B 1 of the outlet A 2 at a tip 13 of the triangular portion 14 is separated from each other, while at the opposite Side a separation between the inlet A 1 and the outlet B 2 takes place.
- corresponding profiles are designed for flow guidance.
- flow channels 11 and 12 are formed ( FIG. 6 ), which are formed substantially triangular.
- Each triangular flow channel 11 and 12 is surrounded by countercurrently operated flow channels 11 or 12.
- the plates 1 and 2 are stacked on the central portion 10 on a lateral strip-shaped elevation 5 on each other.
- the one end plate 3 is designed so that the increase in the side surface 5 is not pronounced, so that the excess a (view detail B) is omitted in the overall height of the heat exchanger.
- the end plate 3 has in the edge region no cross-sectionally U-shaped elevation 5, but is flat, as the comparison of Figures 2 and 5 shows.
- the end plate 3 covers with a lateral planar edge the strip-shaped elevation 5 of the underlying plate 2, so that the height is increased only slightly by the application of the end plate 3, namely the material thickness of the end plate.
- the end plate 3 also comprises a central rectangular portion 10, are formed on the walls for the underlying flow channels.
- a triangular section 14 for dividing inlet streams A 1 and B 1 and outlet streams A 2 and B 2 is provided, as to FIG. 3 has been described.
- in the lateral area comprises the end plate 3 but no cross-sectionally U-shaped elevation 5 as the underlying plate 2, but only a flat wall portion 30 which rests on the increase 5.
- the underlying plate 2 of type "B" is shown in detail.
- the plate 2 comprises at the central portion 10 on opposite sides of a strip-shaped elevation 5 with a height a, which are used for stacking the plates 1 and 2. Only the top plate 2 is covered with the flat in the edge region end plate 3.
- the plate heat exchanger shown can be used in an insulating housing, such as polystyrene, to achieve high efficiency with good sound insulation.
- the housing with the plate heat exchanger can be provided for example on a frame of a window or a door.
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)
Abstract
Ein Platten-Wärmetauscher umfasst nicht mehr als drei unterschiedliche Arten von Platten (A, B, C), die aufeinander gestapelt und miteinander unter Bildung von zwei, voneinander getrennten Strömungswegen verbunden sind, wobei im Plattenstapel von zwei Plattenarten (A, B) die gleiche Stückzahl vorhanden ist und die dritte Plattenart (C) nur einmal im Plattenstapel als Abschlussplatte (3) vorhanden ist. Dadurch kann der Platten-Wärmetauscher kompakt aufgebaut sein und mit hohem Wirkungsgrad betrieben werden.A plate heat exchanger comprises no more than three different types of plates (A, B, C) stacked on top of each other and joined together to form two separate flow paths, the same in the plate stack of two plate types (A, B) Number of pieces is present and the third type of plate (C) only once in the plate stack as end plate (3) is present. As a result, the plate heat exchanger can be made compact and operated with high efficiency.
Description
Um einen möglichst effektiven Wärmeübertrager mit minimalem Platzbedarf zu bauen, ist der Aufbau als Kreuzgegenstrom-Wärmeübertrager am sinnvollsten. Hierbei werden jeweils benachbarte Platten von unterschiedlichen Fluiden durchströmt. Dadurch kann der Wärmeübergang von einem zu anderen Fluid über eine sehr große Fläche stattfinden.In order to build the most effective heat exchanger with minimal space requirements, the construction as a cross-countercurrent heat exchanger makes the most sense. In this case, adjacent plates are flowed through by different fluids. This allows the heat transfer from one fluid to another over a very large area.
Aus
Herstellung eines Wärmeübertragers mit minimalen Platzanforderungen und einem hohen Wärmebereitstellungsgrad, um eine kontrollierte Wohnraumlüftung für einzelne Räume sicherzustellen. Dazu soll es möglich sein, den Wärmeübertrager nebst Ventilatoren und luftführenden Elementen in zum Beispiel einem Fensterprofil einzubauen.Manufacture of a heat exchanger with minimal space requirements and a high degree of heat provision to ensure controlled indoor ventilation for individual rooms. For this purpose, it should be possible to install the heat exchanger together with fans and air-conducting elements in, for example, a window profile.
Der Wärmeübertrager ist aus übereinandergestapelten vorzugsweise im Tiefziehverfahren gefertigten Kunststoffplatten hergestellt. Durch den Tiefziehprozess wird die Wandstärke innerhalb der Kanäle stark reduziert, was zu einem wesentlich verbesserten Wärmeübergang führt. Die Platten bilden so profilierte Platten aus.The heat exchanger is made of stacked preferably made by thermoforming plastic sheets. The deep-drawing process greatly reduces the wall thickness inside the channels, resulting in significantly improved heat transfer. The plates form so profiled plates.
Vorzugsweise wird der Wärmeübertrager (auch Wärmetauscher) für ein Gegenstromprinzip aufgebaut, da dann der Wirkungsgrad höher ist. Es ist jedoch auch möglich, ihn im Gleichstromprinzip auszubilden und zu verwenden.Preferably, the heat exchanger (including heat exchanger) is constructed for a countercurrent principle, since then the efficiency is higher. However, it is also possible to train and use it in the DC principle.
Die profilierten Platten und Luft führenden Elemente sind so angeordnet, dass sie beim wechselnden Aufeinanderstapeln die gewünschte Abstützung untereinander sowie die Luftführung und zugehörig zwei (physisch getrennte) Strömungswege realisieren.The profiled plates and air-conducting elements are arranged so that they realize the desired support between each other as well as the air flow and associated two (physically separate) flow paths with the alternating stacking.
Die Platten sind vorzugsweise miteinander verschweißt oder verklebt, so dass die einzelnen Platten gegeneinander abgedichtet sind.The plates are preferably welded or glued together, so that the individual plates are sealed against each other.
Die Verwendung einer anders gestalteten Abschlussplatte 3 verringert die Bauhöhe des Wärmetauschers im Vergleich zum Standardaufbau. Bei gleichem Bauraum können so mehr Platten unterkommen und dadurch ein höherer Wirkungsgrad erreicht werden.The use of a different
Beispiele erläutern die Erfindung. Es zeigen:
Figuren 1 bis 3- mehrere Ansichten eines erfindungsgemäßen Platten-Wärmetauschers;
Figuren 4 und 5- zwei Ansichten des Platten-Wärmetauschers ohne Abschluss-platte;
- Figuren 6, 7 und 8
- mehrere Ansichten des Platten-Wärmetauschers der
;Figur 1 - Figuren 9 und 10
- Ansichten der Abschlussplatte des Platten-Wärmetauschers der
, undFigur 1 Figuren 11 und 12- Ansichten der Plattenart B des Platten-Wärmetauschers der
.Figur 1
- FIGS. 1 to 3
- several views of a plate heat exchanger according to the invention;
- FIGS. 4 and 5
- two views of the plate heat exchanger without end plate;
- FIGS. 6, 7 and 8
- several views of the plate heat exchanger the
FIG. 1 ; - FIGS. 9 and 10
- Views of the end plate of the plate heat exchanger
FIG. 1 , and - FIGS. 11 and 12
- Plate type B plate heat exchanger views
FIG. 1 ,
Ein Platten-Wärmetauscher umfasst einen Plattenstapel mit unterschiedlichen Platten 1 und 2 sowie eine Abschlussplatte 3. Zwischen den Platten 1 und 2 sowie der Abschlussplatte 3 sind Strömungskanäle ausgebildet, die im Gegenstrom betrieben werden.A plate heat exchanger comprises a plate stack with
Wie in
Die Platten 1 und 2 sind an dem mittleren Abschnitt 10 an einer seitlichen leistenförmigen Erhöhung 5 aufeinander gestapelt.The
Die eine Abschlussplatte 3 ist so gestaltet, dass die Erhöhung an der Seitenfläche 5 nicht mit ausgeprägt ist, so dass das Übermaß a (Ansicht Detail B) in der Gesamthöhe des Wärmetauschers entfällt.The one
Die Abschlussplatte 3 besitzt in dem Randbereich keine im Querschnitt U-förmige Erhöhung 5, sondern ist eben ausgebildet, wie dies der Vergleich der
Bei geringen Gesamtabmessungen und beengten Platzverhältnissen kann dadurch eine entscheidende Verbesserung des Wirkungsgrades und des durchgelassenen Volumenstromes erreicht werden.With small overall dimensions and tight space conditions, a decisive improvement in the efficiency and the permeated volume flow can be achieved.
Außerdem ist es möglich, den Wärmetauscher vollständig symmetrisch aufzubauen, so dass beide Strömungswege die gleiche Anzahl freier Öffnungen haben, da hierfür eine ungerade Zahl von Platten notwendig ist: z.B. 10x Platte A (Referenz 1 ), 10x Platte B (Referenz 2), und 1 x Platte C (Referenz 3).In addition, it is possible to construct the heat exchanger completely symmetrical, so that both flow paths have the same number of free openings, since an odd number of plates is necessary for this purpose: e.g. 10x plate A (reference 1), 10x plate B (reference 2), and 1 x plate C (reference 3).
Eine ungerade Anzahl würde beim Stand der Technik bedeuten, dass von der Plattenart A oder B jeweils eine Platte mehr benötigt wird, was zu Problemen in der rationellen Fertigung führt(z.B. 10x Platte A, 11x Platte B), da die Platten normalerweise gemeinsam gefertigt und dann auch gleich gestapelt werden.An odd number would in the prior art mean that one plate more is required of type A or B, which leads to problems in rational production (eg 10x plate A, 11x plate B), since the plates are normally manufactured together and then be stacked right away.
Wie in den
In den
Der gezeigte Platten-Wärmetauscher kann in ein isolierendes Gehäuse, beispielsweise aus Polystyrol, eingesetzt werden, um einen hohen Wirkungsgrad bei guter Schalldämmung zu erreichen. Das Gehäuse mit dem Platten-Wärmetauscher kann beispielsweise an einem Rahmen eines Fensters oder einer Tür vorgesehen werden.The plate heat exchanger shown can be used in an insulating housing, such as polystyrene, to achieve high efficiency with good sound insulation. The housing with the plate heat exchanger can be provided for example on a frame of a window or a door.
Claims (8)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102013104583.9A DE102013104583A1 (en) | 2013-05-03 | 2013-05-03 | Heat exchanger for installation in confined spaces |
Publications (1)
Publication Number | Publication Date |
---|---|
EP2799802A1 true EP2799802A1 (en) | 2014-11-05 |
Family
ID=50679868
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP14166628.9A Withdrawn EP2799802A1 (en) | 2013-05-03 | 2014-04-30 | Heat exchanger for installation in confined spaces |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP2799802A1 (en) |
DE (1) | DE102013104583A1 (en) |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3033413A1 (en) * | 1980-09-05 | 1982-04-15 | Malcolm Rex Walter Marleston South-Australia Heath | Heat exchanger with stack of dimpled plates - has sealed engagement of backwardly folded edge flanges |
DE19853526A1 (en) | 1998-11-20 | 2000-05-31 | Eberhard Paul | Heat exchanger production comprises forming plastic plates using a plasma deep drawing technique, and then stacking the plates on top of each other |
US20060196649A1 (en) * | 2003-06-05 | 2006-09-07 | Hiroshi Shibata | Heat exchanger |
DE102007045123A1 (en) * | 2007-09-20 | 2009-04-02 | Bayer Technology Services Gmbh | Reactor and process for its production |
DE202008010685U1 (en) * | 2008-05-16 | 2009-09-24 | Klingenburg Gmbh | Recuperative heat recovery |
DE102011113045A1 (en) * | 2011-09-10 | 2013-03-14 | Karlsruher Institut für Technologie | Cross flow heat exchanger i.e. cross flow-micro heat exchanger, for rapid temperature-control of fluid stream in channel groups, has heat transfer regions arranged at intersections of channels of channel group |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4830000B2 (en) * | 2009-05-18 | 2011-12-07 | 本田技研工業株式会社 | Fluid passage structure of internal combustion engine |
-
2013
- 2013-05-03 DE DE102013104583.9A patent/DE102013104583A1/en not_active Withdrawn
-
2014
- 2014-04-30 EP EP14166628.9A patent/EP2799802A1/en not_active Withdrawn
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3033413A1 (en) * | 1980-09-05 | 1982-04-15 | Malcolm Rex Walter Marleston South-Australia Heath | Heat exchanger with stack of dimpled plates - has sealed engagement of backwardly folded edge flanges |
DE19853526A1 (en) | 1998-11-20 | 2000-05-31 | Eberhard Paul | Heat exchanger production comprises forming plastic plates using a plasma deep drawing technique, and then stacking the plates on top of each other |
US20060196649A1 (en) * | 2003-06-05 | 2006-09-07 | Hiroshi Shibata | Heat exchanger |
DE102007045123A1 (en) * | 2007-09-20 | 2009-04-02 | Bayer Technology Services Gmbh | Reactor and process for its production |
DE202008010685U1 (en) * | 2008-05-16 | 2009-09-24 | Klingenburg Gmbh | Recuperative heat recovery |
DE102011113045A1 (en) * | 2011-09-10 | 2013-03-14 | Karlsruher Institut für Technologie | Cross flow heat exchanger i.e. cross flow-micro heat exchanger, for rapid temperature-control of fluid stream in channel groups, has heat transfer regions arranged at intersections of channels of channel group |
Also Published As
Publication number | Publication date |
---|---|
DE102013104583A1 (en) | 2014-11-06 |
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