EP0384305A1 - Heat exchange module - Google Patents

Heat exchange module Download PDF

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Publication number
EP0384305A1
EP0384305A1 EP90102995A EP90102995A EP0384305A1 EP 0384305 A1 EP0384305 A1 EP 0384305A1 EP 90102995 A EP90102995 A EP 90102995A EP 90102995 A EP90102995 A EP 90102995A EP 0384305 A1 EP0384305 A1 EP 0384305A1
Authority
EP
European Patent Office
Prior art keywords
cards
heat exchanger
openings
exchanger module
module 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.)
Withdrawn
Application number
EP90102995A
Other languages
German (de)
French (fr)
Inventor
Burkhardt Redeker
Walter Dr. Matzmorr
Mathias Dr. Grote
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.)
Siemens Healthcare Diagnostics GmbH Germany
Original Assignee
Behringwerke AG
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 Behringwerke AG filed Critical Behringwerke AG
Publication of EP0384305A1 publication Critical patent/EP0384305A1/en
Withdrawn legal-status Critical Current

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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
    • F28D9/0062—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 spaced plates with inserted elements
    • F28D9/0075—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 spaced plates with inserted elements the plates having openings therein for circulation of the heat-exchange medium from one conduit to another
    • 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 to a heat exchanger module made of stacked metal foils with spacers arranged therebetween for the heat sterilization of liquid media with thermolabile components.
  • a heat exchanger module which is characterized in that the metal foils consist of metal cards, which are provided on opposite sides with at least two openings each, the spacers consist of fabric cards with openings that are congruent with the metal cards, so that the Openings in stacked cards form tubular channels, the circumferential edge of the fabric cards and an annular surface of the fabric, which includes some of the openings, are filled with sealant, the openings alternating with and without sealant from a row of a fabric card and with the tubular channels.
  • the metal cards have thicknesses of less than 0.5 mm and the fabric cards have thicknesses of less than 1 mm.
  • silicone rubber is particularly suitable as a sealant.
  • the stack of cards can be surrounded by a frame and held together by pressure plates placed on both sides and provided with tie rods. The individual cards can also be glued together. With a suitable choice, the sealant can be used for this.
  • the heat exchanger module is particularly suitable for the heat sterilization of liquid media with thermolabile components and for the thermal induction of chemical, biological and / or biochemical reactions.
  • the heat exchanger module is constructed from metal cards (1), which can consist of less than 0.5 mm thick metal foils made of chrome-nickel steel, copper, nickel or aluminum. Tissue cards (2) are arranged as spacers between the metal cards (1).
  • the tissue cards less than mm thick can be made of mono- or multifilament fabric made of chrome-nickel steel, copper, nickel, polyethylene, polyester or glass.
  • the opposite sides 7, 8 of cards 1, 2 are provided with openings 3, 4, 16. When the cards 1, 2 are stacked, the openings 3, 4, 16 lie one above the other and form channels 5, 9.
  • the peripheral edge 6 of the fabric cards 2 is filled with a sealant, as is an annular surface 10 which surrounds the openings 3. The latter ensures that only a liquid medium gets into the flow channel 13.
  • the channels 5 and 9 must be formed alternately from openings 3 and 4.
  • This can be achieved by appropriate training of the tissue map 2.
  • the pages 7, 8 of the tissue map 2 are interchanged from location to location (turning the cards).
  • the cards 1, 2 can be glued together with the sealant. But they can also be held together by means of pressure plates 11 and tie rods 12.
  • Suitable sealants include silicone rubber, PU resins, polyester resins, thermoplastics, melanin resins, phenolic resins, epoxy resins.
  • the supply and discharge lines for the two media 14, 15 can be arranged for cocurrent or countercurrent operation (not shown).
  • medium 14 flows against medium 15.

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

Abstract

In the heat exchange module of stacked metal foils having spacers arranged therebetween, the metal foils consist of metal cards (1) which are provided in each case with at least two openings (16) on opposite sides. The spacers consist of fabric cards (2) having openings (3, 4) which are congruent with the metal cards, so that the openings (3, 4, 16) form tubular ducts (5, 9) when the cards (1, 2) are stacked. In common with an annular surface (10) of the fabric which encloses some of the openings (3, 4), the circumferential rim (6) of the fabric cards (2) is filled with sealant, the openings with and without sealant alternating in a row of a fabric card (2) and in the tubular ducts (5, 9).

Description

Die Erfindung betrifft ein Wärmetauschermodul aus gestapelten Metallfolien mit dazwischen angeordneten Abstandshaltern zum Hitze sterilisieren von flüssigen Medien mit thermolabilen Komponenten.The invention relates to a heat exchanger module made of stacked metal foils with spacers arranged therebetween for the heat sterilization of liquid media with thermolabile components.

Bei der kontinuierlichen Hitzesterilisation in Plattenwärmetauschern bekannter Bauart, werden lineare Aufheizgeschwindigkeiten von ca. 25°C/sek. erreicht. Bei einer Sterilisationstemperatur von 140°C wäre der Zeitbedarf zum Aufheizen und Abkühlen ca. 10 sek.. Hinzu käme noch eine gewisse Haltezeit bei Maximaltemperatur. Insgesamt ergeben sich Zeitspannen, die bei flüssigen Medien mit thermolabilen Komponenten, z.B. Nährlösungen für Säugerzellkulturen, zu nicht tolerablen Schädigungen von essentiellen Komponenten führen. Hier will die Erfindung Abhilfe schaffen.In the case of continuous heat sterilization in known plate heat exchangers, linear heating rates of approx. 25 ° C / sec. reached. At a sterilization temperature of 140 ° C, the time required for heating and cooling would be approx. 10 seconds. In addition, there would be a certain holding time at maximum temperature. Overall, there are periods of time that occur with liquid media with thermolabile components, e.g. Nutrient solutions for mammalian cell cultures lead to intolerable damage to essential components. The invention seeks to remedy this.

Die Aufgabe wird durch ein Wärmetauschermodul gelöst, das dadurch gekennzeichnet ist, daß die Metallfolien aus Metallkarten bestehen, die an gegenüberliegenden Seiten mit jeweils mindestens zwei Öffnungen versehen sind, die Abstandshalter aus Gewebekarten mit Öffnungen bestehen, die mit den Metallkarten deckungsgleich sind, so daß die Öffnungen bei gestapelten Karten rohrförmige Kanäle bilden, der umlaufende Rand der Gewebekarten sowie eine ringförmige Fläche des Gewebes, die einige der Öffnungen einschließt, mit Dichtmittel gefüllt sind, wobei sich die Öffnungen mit und ohne Dichtmittel einer Reihe einer Gewebekarte und bei den rohrförmigen Kanälen abwechseln.The object is achieved by a heat exchanger module, which is characterized in that the metal foils consist of metal cards, which are provided on opposite sides with at least two openings each, the spacers consist of fabric cards with openings that are congruent with the metal cards, so that the Openings in stacked cards form tubular channels, the circumferential edge of the fabric cards and an annular surface of the fabric, which includes some of the openings, are filled with sealant, the openings alternating with and without sealant from a row of a fabric card and with the tubular channels.

Die Metallkarten weisen Dicken von weniger 0,5 mm und die Gewebekarten Dicken von weniger 1 mm auf. Als Dichtmittel eignen sich neben Kunstharzen und thermoplastischen Kunststoffen insbesondere Silikonkautschuk. Der Kartenstapel kann von einem Rahmen umgeben sein und durch beidseits aufgelegte und mit Zuganker versehene Druckplatten zusammengehalten werden. Die einzelnen Karten können miteinander auch verklebt sein. Hierfür kann bei geeigneter Wahl das Dichtmittel verwendet werden.The metal cards have thicknesses of less than 0.5 mm and the fabric cards have thicknesses of less than 1 mm. In addition to synthetic resins and thermoplastic materials, silicone rubber is particularly suitable as a sealant. The stack of cards can be surrounded by a frame and held together by pressure plates placed on both sides and provided with tie rods. The individual cards can also be glued together. With a suitable choice, the sealant can be used for this.

Das Wärmetauschermodul eignet sich insbesondere zur Hitzesterilisation von flüssigen Medien mit thermolabilen Komponenten sowie zur thermischen Induktion chemischer, biologischer und/oder biochemischer Reaktionen.The heat exchanger module is particularly suitable for the heat sterilization of liquid media with thermolabile components and for the thermal induction of chemical, biological and / or biochemical reactions.

Mit dem Wärmetauschermodul sind lineare Aufheizgeschwindigkeiten von 150°C/sek. und Verweilzeiten von weniger als 1 sek. möglich, so daß der Sterilisiervorgang weniger als 3 sek. dauert.With the heat exchanger module, linear heating speeds of 150 ° C / sec. and dwell times of less than 1 sec. possible so that the sterilization process takes less than 3 sec. lasts.

Im folgenden wird die Erfindung anhand von lediglich einem Ausführungsweg darstellenden Zeichnungen näher erläutert. Es zeigt

  • Figur 1 den Wärmetauschermodul perspektivisch, teilweise geschnitten und explodiert und
  • Figur 2 den Schnitt II - II von Figur 1; das Wärmetauschermodul ist von Druckplatten zusammengehalten.
The invention is explained in more detail below with the aid of drawings which illustrate only one embodiment. It shows
  • 1 shows the heat exchanger module in perspective, partially cut and exploded and
  • Figure 2 shows the section II - II of Figure 1; the heat exchanger module is held together by pressure plates.

Das Wärmetauschermodul ist aus Metallkarten (1) aufgebaut, die aus weniger als 0,5 mm dicken Metallfolien aus Chrom-­Nickel-Stahl, Kupfer, Nickel oder Aluminium bestehen können. Zwischen den Metallkarten (1) sind Gewebekarten (2) als Abstandshalter angeordnet. Die Gewebekarten weniger als mm dick können aus mono- oder multifilem Gewebe aus Chrom-Nickel-Stahl, Kupfer, Nickel, Polyethylen, Polyester oder Glas aufgebaut sein. Die gegenüberliegenden Seiten 7,8 der Karten 1, 2 sind mit Öffnungen 3, 4, 16 versehen. Beim Stapeln der Karten 1, 2 kommen die Öffnungen 3, 4, 16 übereinander zuliegen und bilden Kanäle 5, 9. Der umlaufende Rand 6 der Gewebekarten 2 ist mit einem Dichtmittel gefüllt, ebenso eine ringförmige Fläche 10, die die Öffnungen 3 umgibt. Mit letzterem wird gewährleistet, daß nur ein flüssiges Medium in den Strömungskanal 13 gelangt. Damit die beiden flüssigen Medien 14, 15 abwechselnd in die Strömungskanäle 13 gelangen, müssen die Kanäle 5 und 9 abwechselnd aus Öffnungen 3 und 4 gebildet werden. Das kann durch entsprechende Ausbildung der Gewebekarte 2 erreicht werden. Gemäß Figur 1 sind die Seiten 7, 8 der Gewebekarte 2 von Lage zu Lage vertauscht (Wenden der Karten). Die Karten 1, 2 können mit dem Dichtmittel miteinander verklebt sein. Sie können aber auch mittels Druckplatten 11 und Zuganker 12 zusammengehalten werden. Als Dichtmittel kommen unter anderem Silikonkautschuk, PU-Harze, Polyesterharze, thermoplastische Kunststoffe, Melaninharze, Phenolharze, Epoxydharze in Betracht. Die Zu- und Ableitungen für die beiden Medien 14, 15 können für Gleich- oder Gegenstromfahrweise angeordnet sein (nicht dargestellt). Nach Figur 2 fließt Medium 14 Medium 15 entgegen. Der Wärmetausch findet über die Metallkarten 1 statt. 17 sind Ausnehmungen zur Aufnahme der Zuganker 12.The heat exchanger module is constructed from metal cards (1), which can consist of less than 0.5 mm thick metal foils made of chrome-nickel steel, copper, nickel or aluminum. Tissue cards (2) are arranged as spacers between the metal cards (1). The tissue cards less than mm thick can be made of mono- or multifilament fabric made of chrome-nickel steel, copper, nickel, polyethylene, polyester or glass. The opposite sides 7, 8 of cards 1, 2 are provided with openings 3, 4, 16. When the cards 1, 2 are stacked, the openings 3, 4, 16 lie one above the other and form channels 5, 9. The peripheral edge 6 of the fabric cards 2 is filled with a sealant, as is an annular surface 10 which surrounds the openings 3. The latter ensures that only a liquid medium gets into the flow channel 13. So that the two liquid media 14, 15 alternately get into the flow channels 13, the channels 5 and 9 must be formed alternately from openings 3 and 4. This can be achieved by appropriate training of the tissue map 2. According to FIG. 1, the pages 7, 8 of the tissue map 2 are interchanged from location to location (turning the cards). The cards 1, 2 can be glued together with the sealant. But they can also be held together by means of pressure plates 11 and tie rods 12. Suitable sealants include silicone rubber, PU resins, polyester resins, thermoplastics, melanin resins, phenolic resins, epoxy resins. The supply and discharge lines for the two media 14, 15 can be arranged for cocurrent or countercurrent operation (not shown). According to FIG. 2, medium 14 flows against medium 15. The heat exchange takes place via the metal cards 1. 17 are recesses for receiving the tie rods 12.

Claims (9)

1. Wärmetauschermodul aus gestapelten Metallfolien mit dazwischen angeordneten Abstandshaltern, dadurch gekennzeichnet, daß die Metallfolien aus Metallkarten (1) bestehen, die an gegenüberliegenden Seiten mit jeweils mindestens zwei Öffnungen (16) versehen sind, die Abstandshalter aus Gewebekarten (2) mit Öffnungen (3, 4) bestehen, die mit den Metallkarten (1) deckungsgleich sind, so daß die Öffnungen (3, 4, 16) bei gestapelten Karten (1 , 2) rohrförmige Kanäle (5, 9) bilden, der umlaufende Rand (6) der Gewebekarten (2) sowie eine ringförmige Fläche (10) des Gewebes, die einige der Öffungen (3, 4) einschließt, mit Dichtmittel gefüllt sind, wobei sich die Öffnungen mit und ohne Dichtmittel einer Reihe einer Gewebekarte (2) und bei den rohrförmigen Kanälen (5, 9) abwechseln.1. Heat exchanger module made of stacked metal foils with spacers arranged in between, characterized in that the metal foils consist of metal cards (1), which are provided on opposite sides with at least two openings (16), the spacers made of fabric cards (2) with openings (3 , 4), which are congruent with the metal cards (1), so that the openings (3, 4, 16) form stacked cards (1, 2) tubular channels (5, 9), the peripheral edge (6) of the Tissue cards (2) and an annular surface (10) of the tissue, which includes some of the openings (3, 4), are filled with sealant, the openings with and without sealant in a row of a tissue card (2) and in the tubular channels Alternate (5, 9). 2. Wärmetauschermodul nach Anspruch 1, dadurch gekennzeichnet, daß die Metallkarten (1) eine Dicke von weniger 0,5 mm aufweisen.2. Heat exchanger module according to claim 1, characterized in that the metal cards (1) have a thickness of less than 0.5 mm. 3. Wärmetauschermodul nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die Gewebekarten (2) aus monofilem oder multifilem Kunststoff- oder Metallgewebe bestehen, dessen Dicke weniger 1 mm ist.3. Heat exchanger module according to claim 1 or 2, characterized in that the fabric cards (2) consist of monofilament or multifilament plastic or metal fabric, the thickness of which is less than 1 mm. 4. Wärmetauschermodul nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß das Dichtmittel aus Silikonkautschuk, Kunstharzen oder thermoplastischen Kunststoffen besteht.4. Heat exchanger module according to one of claims 1 to 3, characterized in that the sealant consists of silicone rubber, synthetic resins or thermoplastic materials. 5. Wärmetauschermodul nach Anspruch 1, dadurch gekennzeichnet, daß der Kartenstapel von einem Rahmen umgeben ist.5. Heat exchanger module according to claim 1, characterized in that the card stack is surrounded by a frame. 6. Wärmetauschermodul nach Anspruch 1, dadurch gekennzeichnet, daß die Ränder der einzelnen Karten miteinander verklebt sind.6. Heat exchanger module according to claim 1, characterized in that the edges of the individual cards are glued together. 7. Wärmetauschermodul nach Anspruch 1, dadurch gekennzeichnet, daß der Kartenstapel durch mit Zugankern (12) versehene Druckplatten (11) zusammengehalten wird.7. Heat exchanger module according to claim 1, characterized in that the stack of cards is held together by pressure plates (11) provided with tie rods (12). 8. Verwendung des Wärmetauschermoduls nach den Ansprüchen 1 bis 7 zur Hitzesterilisation von flüssigen Medien mit thermolabilen Komponenten.8. Use of the heat exchanger module according to claims 1 to 7 for the heat sterilization of liquid media with thermolabile components. 9. Verwendung des Wärmetauschermoduls nach den Ansprüchen 1 bis 7 zur thermischen Induktion chemischer, biologischer und/oder biochemischer Reaktionen in flüssigen Medien mit thermolabilen Komponenten.9. Use of the heat exchanger module according to claims 1 to 7 for the thermal induction of chemical, biological and / or biochemical reactions in liquid media with thermolabile components.
EP90102995A 1989-02-18 1990-02-16 Heat exchange module Withdrawn EP0384305A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19893905066 DE3905066A1 (en) 1989-02-18 1989-02-18 HEAT EXCHANGER MODULE
DE3905066 1989-02-18

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0571771A2 (en) * 1992-05-26 1993-12-01 BEHRINGWERKE Aktiengesellschaft Method of inactivation of viruses in proteinic preparations
FR2752927A1 (en) * 1996-08-31 1998-03-06 Behr Gmbh & Co Heat exchanger of plate stack structure
WO2004025205A1 (en) * 2002-09-10 2004-03-25 Alfa Laval Corporate Ab A plate heat exchanger
WO2004027334A1 (en) * 2002-09-17 2004-04-01 Valeo Engine Cooling Ab Arrangement for a plate heat exchanger
DE19639114B4 (en) * 1995-08-01 2006-01-05 Behr Gmbh & Co. Kg Heat exchanger with plate stack construction
DE19635455B4 (en) * 1995-08-01 2007-02-15 Behr Gmbh & Co. Kg Heat exchanger with plate stack construction and method for its production

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4242426C1 (en) * 1992-12-11 1994-03-31 Inst Bioprozess Analysenmesst Short-term sterilization module
DE9405515U1 (en) * 1994-03-31 1994-05-26 Röhm GmbH & Co. KG, 64293 Darmstadt Bonded molded body made of thermoplastically processable (extrudable) polymethyl methacrylate with adhesive joints, the edges of which are covered with adhesive beads made of PMMA
DE19537478C1 (en) * 1995-10-09 1996-12-12 Siemens Ag Multi-stage steam turbine power generation plant
DE29811547U1 (en) 1998-06-22 1998-10-29 Institut für Bioprozeß- und Analysenmeßtechnik e.V., 37308 Heilbad Heiligenstadt Device for the continuous, thermal treatment of medium
SE524751C2 (en) * 2002-07-29 2004-09-28 Alfa Laval Corp Ab Heat exchanger plate, plate heat exchanger and method of manufacturing a heat exchanger plate
DE10322406A1 (en) * 2003-05-16 2004-12-02 Api Schmidt-Bretten Gmbh & Co. Kg Plate heat exchangers

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH280634A (en) * 1949-02-16 1952-01-31 Creamery Package Mfg Co Heat exchanger.
FR1603630A (en) * 1968-12-13 1971-05-10 Twin fluid exchange unit
GB1302516A (en) * 1970-01-30 1973-01-10
FR2175804A1 (en) * 1972-03-11 1973-10-26 Philips Nv
DE2359978A1 (en) * 1973-12-01 1975-06-05 Air Froehlich Ag Fuer En Rueck HEAT EXCHANGER
FR2290646A1 (en) * 1974-11-06 1976-06-04 Commissariat Energie Atomique Plate heat exchanger - used in distillation, esp for sea water
DE2753189A1 (en) * 1976-11-29 1978-06-01 Holl Res Corp Plate type heat exchanger with flat channels - has turbulence generating woven wire sheets in flat channels
WO1985003564A1 (en) * 1984-02-08 1985-08-15 Kuprian Systembau Gesellschaft M.B.H. Plate-shaped heat exchanger
EP0274058A2 (en) * 1986-12-04 1988-07-13 FUNKE Wärmeaustascher Apparatebau GmbH Plate-type heat exchanger

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH280634A (en) * 1949-02-16 1952-01-31 Creamery Package Mfg Co Heat exchanger.
FR1603630A (en) * 1968-12-13 1971-05-10 Twin fluid exchange unit
GB1302516A (en) * 1970-01-30 1973-01-10
FR2175804A1 (en) * 1972-03-11 1973-10-26 Philips Nv
DE2359978A1 (en) * 1973-12-01 1975-06-05 Air Froehlich Ag Fuer En Rueck HEAT EXCHANGER
FR2290646A1 (en) * 1974-11-06 1976-06-04 Commissariat Energie Atomique Plate heat exchanger - used in distillation, esp for sea water
DE2753189A1 (en) * 1976-11-29 1978-06-01 Holl Res Corp Plate type heat exchanger with flat channels - has turbulence generating woven wire sheets in flat channels
WO1985003564A1 (en) * 1984-02-08 1985-08-15 Kuprian Systembau Gesellschaft M.B.H. Plate-shaped heat exchanger
EP0274058A2 (en) * 1986-12-04 1988-07-13 FUNKE Wärmeaustascher Apparatebau GmbH Plate-type heat exchanger

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0571771A2 (en) * 1992-05-26 1993-12-01 BEHRINGWERKE Aktiengesellschaft Method of inactivation of viruses in proteinic preparations
EP0571771A3 (en) * 1992-05-26 1994-07-06 Behringwerke Ag Method of inactivation of viruses in proteinic preparations
DE19639114B4 (en) * 1995-08-01 2006-01-05 Behr Gmbh & Co. Kg Heat exchanger with plate stack construction
DE19635455B4 (en) * 1995-08-01 2007-02-15 Behr Gmbh & Co. Kg Heat exchanger with plate stack construction and method for its production
FR2752927A1 (en) * 1996-08-31 1998-03-06 Behr Gmbh & Co Heat exchanger of plate stack structure
WO2004025205A1 (en) * 2002-09-10 2004-03-25 Alfa Laval Corporate Ab A plate heat exchanger
US7191821B2 (en) 2002-09-10 2007-03-20 Alfa Laval Corporate Ab Plate heat exchanger
WO2004027334A1 (en) * 2002-09-17 2004-04-01 Valeo Engine Cooling Ab Arrangement for a plate heat exchanger
CN100351600C (en) * 2002-09-17 2007-11-28 瓦莱奥发动机冷却股份公司 Arrangement for a plate heat exchanger

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