EP2942596A1 - Wärmeaustauscher aus polymer-hohlfasern - Google Patents

Wärmeaustauscher aus polymer-hohlfasern Download PDF

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Publication number
EP2942596A1
EP2942596A1 EP15000405.9A EP15000405A EP2942596A1 EP 2942596 A1 EP2942596 A1 EP 2942596A1 EP 15000405 A EP15000405 A EP 15000405A EP 2942596 A1 EP2942596 A1 EP 2942596A1
Authority
EP
European Patent Office
Prior art keywords
heat exchange
heat exchanger
fibers
heat
exchange zone
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Withdrawn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
EP15000405.9A
Other languages
German (de)
English (en)
French (fr)
Inventor
Martin Horský
Lenka Raudenská
Miroslav Dohnal
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.)
Zena Sro
Original Assignee
Zena Sro
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 Zena Sro filed Critical Zena Sro
Publication of EP2942596A1 publication Critical patent/EP2942596A1/de
Withdrawn legal-status Critical Current

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Classifications

    • 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
    • F28F21/062—Constructions of heat-exchange apparatus characterised by the selection of particular materials of plastics material the heat-exchange apparatus employing tubular conduits
    • 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
    • F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
    • F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
    • F28D1/04—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits
    • F28D1/047—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being bent, e.g. in a serpentine or zig-zag
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2210/00—Heat exchange conduits
    • F28F2210/10—Particular layout, e.g. for uniform temperature distribution
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2260/00—Heat exchangers or heat exchange elements having special size, e.g. microstructures
    • F28F2260/02—Heat exchangers or heat exchange elements having special size, e.g. microstructures having microchannels

Definitions

  • the invention relates to an existing of polymer hollow fibers exchanger which determines heat exchange between two flowing media and in particular for transport, air conditioning, food industry, chemical industry, heat recovery and the like. is determined.
  • Heat exchanger, radiator, radiator and the like are often used as design elements in various installations where heat is transferred between flowing media - liquid gases, gases, multiphase mixtures or solid particles.
  • the heat exchangers ensure e.g. Cooling and conditioning in means of transport.
  • the coolers used in means of transport consist predominantly of a pair of collecting tanks connected by a heat exchange zone consisting of many narrow passages. A heat exchange zone is concentrated in them in a relatively small space. It is usually formed by differently shaped tubes with ribs. These are assembled so that they form a compact construction group, where a heat transfer medium flow inside the pipes and another heat transfer medium outside the pipes.
  • Collecting boxes of the exchangers intended for transport are usually made of plastic and their aluminum heat exchange zone.
  • the flow of air as the cooling medium is triggered either by the movement of the vehicle or by a cooling fan, which ensures the flow at standstill of the vehicle.
  • a disadvantage of the common coolers are the production costs and their relatively large mass and total volume. As a location of the cooler only the front of the vehicle or an air duct formed for this purpose come into question.
  • heat exchangers whose heat exchange surface is formed by polymer hollow fibers. They are used in particular in medical apparatus, where they mediate except heat exchange and mass transfer between two media. A typical use is hemodialysis or blood oxidation. The hollow fibers are most often passed in parallel with the medium flowing around the outer side of the fibers either flowing parallel to the fibers, or perpendicular to them.
  • Such exchangers are eg in the US 4791054 described.
  • fibers in the cylindrical heat exchanger after EP 1671695 are guided in parallel, but curled regularly sinusoidal.
  • a spatial arrangement of the fibers in an exchanger is in the EP 2708279 designed.
  • the fibers are here positioned in the direction of three mutually perpendicular axes.
  • the structure of the heat exchange zone in the above-mentioned hollow fiber exchangers is predetermined by the type and location of the exchanger.
  • the object of the invention is to provide a heat exchanger at low production costs and low weight and with a substantially increased ratio of the exchange surface to the volume of the exchanger, an intense heat exchange, variable arrangement in variously shaped spaces and easy manipulation during assembly and maintenance guaranteed.
  • an exchanger made of polymer hollow fibers, which determines heat exchange between two flowing media, whose heat exchange surface in the heat exchange zone at least one bundle of curved, lump-forming hollow fibers is formed, the fibers being embedded together at each end of the bundle, eg forming flanges.
  • the term "lump” is to be understood as meaning a structure formed by fibers which take place randomly and continuously in different, even opposite directions and are arranged arbitrarily in space.
  • the heat exchange surface thus represents an elastic and deformable body.
  • the fiber bundles may be attached at least at one end to a collecting box of the exchanger.
  • the heat exchange zone may be delimited by a frame housed in a stream flowing around the fibers.
  • the exchanger may e.g. attached to a means of transport and exposed to the draft, which flows around the means of transport, or flows through.
  • the heat exchange zone may fill a cavity connected to the ambient medium at locations between which there is a pressure drop which ensures the flow of the medium through the heat exchange zone.
  • the heat exchange zone may e.g. be spatially defined by a design-related cave in a wheel frame or car body of a transport.
  • the flanged ends of the fiber bundles may be attached to any structural part of a plant, e.g. on the structure of an air conditioner.
  • a heat exchanger according to the invention designed as a motor vehicle radiator, which is schematically shown in FIG Fig. 1 is shown, is formed by a pair of manifolds 1 with pipe socket 2 and a heat exchange zone, which is composed here of three hollow fiber bundles 3, the flanges 4 open into the manifolds 1.
  • the bundles 3 are formed by hollow fibers of the same length, which are curved and form a lump.
  • the lump substantially fills the space within the radiator frame.
  • nets or grids would be attached to the outside of the frame, holding the lump together in the particular space.
  • a mere, a lump-forming and flanged hollow fiber bundle is for the sake of clarity in Fig. 4 shown.
  • the warmed up in the internal combustion engine of a vehicle fluid flows into one of the headers 1, from there through the hollow fibers, where they by means of flowing air is cooled, and then it is led away from the other collection box 1.
  • the heat exchanger after Fig. 1 Can be used as a viable car radiator, which is usually mounted in front of the engine block.
  • the embedded in a pipe heat exchanger after Fig. 2 can be used advantageously in the heat transfer between two liquids.
  • Construction-related cavities are part of the motor vehicle construction.
  • Design-related cavities 5 in a car body of a common car are in Fig. 4 shown schematically.
  • Fig. 1 is also the course of the air pressure shown, which acts during the vehicle movement on the flow around the car body.
  • the pressure acting on the top of the car body in places where the cavities open assumes the values P 1 , P 2 , P 3 , P 4 , while the pressure acting on the underside of the car body assumes the values P ' 1 , P' 2 , P ' 3 , P' 4 assumes.
  • Fig. 3 it represents a heat exchange zone according to the invention.
  • a heat exchanger was prepared whose tube mounted heat exchange zone was formed by four hollow fiber bundles.

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)
  • Air-Conditioning For Vehicles (AREA)
EP15000405.9A 2014-02-13 2015-02-11 Wärmeaustauscher aus polymer-hohlfasern Withdrawn EP2942596A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CZ2014-99A CZ201499A3 (cs) 2014-02-13 2014-02-13 Výměník tepla tvořený dutými polymerními vlákny

Publications (1)

Publication Number Publication Date
EP2942596A1 true EP2942596A1 (de) 2015-11-11

Family

ID=52469581

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15000405.9A Withdrawn EP2942596A1 (de) 2014-02-13 2015-02-11 Wärmeaustauscher aus polymer-hohlfasern

Country Status (2)

Country Link
EP (1) EP2942596A1 (cs)
CZ (1) CZ201499A3 (cs)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021014093A1 (fr) * 2019-07-25 2021-01-28 Valeo Systemes Thermiques Échangeur thermique pour installation de refroidissement et/ou chauffage et/ou ventilation et/ou climatisation

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1417282A (en) * 1972-07-04 1975-12-10 Rhone Poulenc Sa Process for carrying out heat exchange between a gas and a liquid
DE3611621A1 (de) * 1985-04-27 1986-10-30 Akzo Gmbh, 5600 Wuppertal Stoff- und/oder waermeaustauscher
US4791054A (en) 1984-10-01 1988-12-13 Mitsubishi Rayon Co., Ltd. Heat exchanger and blood oxygenating device furnished therewith
JPH0370991A (ja) * 1989-08-10 1991-03-26 Tokyu Constr Co Ltd 熱交換装置
EP1671695A1 (de) 2000-02-17 2006-06-21 Fresenius Medical Care Deutschland GmbH Filtervorrichtung, vorzugsweise Hohlfaserdialysator mit gelockten Hohlfasern
EP2708279A1 (de) 2009-08-24 2014-03-19 Dritte Patentportfolio Beteiligungsgesellschaft mbH & Co. KG Dreidimensional geflochtenes Hohlfasermodul für Stoff- und Energieaustauschvorgänge

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070107884A1 (en) * 2005-10-27 2007-05-17 Sirkar Kamalesh K Polymeric hollow fiber heat exchange systems
JP2010223576A (ja) * 2009-02-26 2010-10-07 Toray Ind Inc 中空糸膜型熱交換器

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1417282A (en) * 1972-07-04 1975-12-10 Rhone Poulenc Sa Process for carrying out heat exchange between a gas and a liquid
US4791054A (en) 1984-10-01 1988-12-13 Mitsubishi Rayon Co., Ltd. Heat exchanger and blood oxygenating device furnished therewith
DE3611621A1 (de) * 1985-04-27 1986-10-30 Akzo Gmbh, 5600 Wuppertal Stoff- und/oder waermeaustauscher
JPH0370991A (ja) * 1989-08-10 1991-03-26 Tokyu Constr Co Ltd 熱交換装置
EP1671695A1 (de) 2000-02-17 2006-06-21 Fresenius Medical Care Deutschland GmbH Filtervorrichtung, vorzugsweise Hohlfaserdialysator mit gelockten Hohlfasern
EP2708279A1 (de) 2009-08-24 2014-03-19 Dritte Patentportfolio Beteiligungsgesellschaft mbH & Co. KG Dreidimensional geflochtenes Hohlfasermodul für Stoff- und Energieaustauschvorgänge

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021014093A1 (fr) * 2019-07-25 2021-01-28 Valeo Systemes Thermiques Échangeur thermique pour installation de refroidissement et/ou chauffage et/ou ventilation et/ou climatisation
FR3099235A1 (fr) * 2019-07-25 2021-01-29 Valeo Systemes Thermiques Échangeur thermique pour installation de refroidissement et/ou chauffage et/ou ventilation et/ou climatisation

Also Published As

Publication number Publication date
CZ305152B6 (cs) 2015-05-20
CZ201499A3 (cs) 2015-05-20

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