EP2409103B1 - Unité d'échange de chaleur et installation thermotechnique - Google Patents

Unité d'échange de chaleur et installation thermotechnique Download PDF

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Publication number
EP2409103B1
EP2409103B1 EP10719231.2A EP10719231A EP2409103B1 EP 2409103 B1 EP2409103 B1 EP 2409103B1 EP 10719231 A EP10719231 A EP 10719231A EP 2409103 B1 EP2409103 B1 EP 2409103B1
Authority
EP
European Patent Office
Prior art keywords
heat exchanger
unit
exchanger units
condenser
evaporator
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.)
Active
Application number
EP10719231.2A
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German (de)
English (en)
Other versions
EP2409103A2 (fr
Inventor
Stefan Petersen
Christian Finck
Martin Mittermeier
Anna Jahnke
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.)
Technische Universitaet Berlin
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Technische Universitaet Berlin
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Publication date
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Publication of EP2409103A2 publication Critical patent/EP2409103A2/fr
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Publication of EP2409103B1 publication Critical patent/EP2409103B1/fr
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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
    • 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
    • F28D1/0408—Multi-circuit heat exchangers, e.g. integrating different heat exchange sections in the same unit or heat exchangers for more than two fluids
    • F28D1/0426—Multi-circuit heat exchangers, e.g. integrating different heat exchange sections in the same unit or heat exchangers for more than two fluids with units having particular arrangement relative to the large body of fluid, e.g. with interleaved units or with adjacent heat exchange units in common air flow or with units extending at an angle to each other or with units arranged around a central element
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B39/00—Evaporators; Condensers
    • 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
    • F28D1/0408—Multi-circuit heat exchangers, e.g. integrating different heat exchange sections in the same unit or heat exchangers for more than two fluids
    • F28D1/0426—Multi-circuit heat exchangers, e.g. integrating different heat exchange sections in the same unit or heat exchangers for more than two fluids with units having particular arrangement relative to the large body of fluid, e.g. with interleaved units or with adjacent heat exchange units in common air flow or with units extending at an angle to each other or with units arranged around a central element
    • F28D1/0443—Combination of units extending one beside or one above the other
    • 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
    • F28D1/0477—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 the conduits being bent in a serpentine or zig-zag
    • F28D1/0478—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 the conduits being bent in a serpentine or zig-zag the conduits having a non-circular cross-section
    • 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
    • F28D2021/0068—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for refrigerant cycles
    • F28D2021/007—Condensers
    • 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
    • F28D2021/0068—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for refrigerant cycles
    • F28D2021/0071—Evaporators

Definitions

  • the invention relates to a thermal system, in particular a refrigeration system.
  • the main components of refrigeration systems such as evaporators, absorbers, expellers and condensers are heat exchangers, which all transport between media heat. These heat exchangers are responsible for 50% of the costs and 75% of the volume of the refrigeration system.
  • WO 2007/006289 A1 discloses the functional principle of a heat pump designed as an absorption refrigeration system.
  • the mode of operation of the heat pump which has several heat exchanger components, is explained in detail using a schematic circuit diagram.
  • heat exchanger components are then also combined to form heat exchanger units which have an evaporator device , which is configured to evaporate a heat exchanger operating or heat exchanger working fluid, and having a liquefier device which is configured to liquefy the heat exchanger operating or heat exchanger working medium.
  • Known types of construction and construction for heat exchanger units provide for a pronounced spatial separation of the functional units, which are optionally arranged in a common shell or a common housing.
  • the evaporator device and the condenser device are arranged side by side.
  • One version of this is the so-called hamster-jaw construction, in which an evaporator device is arranged between two partial condenser devices and the entire structure is integrated in a tubular housing.
  • Known units of heat exchanger components have a drip separator or steam blinds in order to make it more difficult for liquid splashes to make the transition to other heat exchanger units or to prevent them completely.
  • the object of the invention is to provide a thermal system with an improved structural design that supports the flexible use of the thermal system in applications with different requirements.
  • thermodynamic unit consists of one or more pairs of evaporator device and condenser device, which form a thermodynamic and process engineering unit.
  • This thermodynamic unit is characterized in particular in that both the length of the steam path and the specific steam mass flow are independent of the absolute power or capacity of the entire heat exchanger unit. The once optimized ratio of the capacities of the heat exchangers to one another, which form a higher-level unit, is retained even when the output is scaled.
  • Modular heat exchanger units can be produced, which can be assembled in an overall system, which enables improved scalability of thermal engineering systems or heat pumps, in particular refrigeration systems and desalination systems.
  • the front-side configuration also enables a structural design with optimized space utilization and makes a decisive contribution to the thermal separation of the different functional units, steam generators and condensers, which minimizes thermal losses despite spatial optimization.
  • the evaporator device can be, for example, a generator or an evaporator.
  • the liquefier device is designed, for example, as an absorber or a condenser.
  • the frontal arrangement of the evaporator device and the condenser device leads to a changed steam flow behavior between the devices compared to known heat exchanger units, which implies a kind of wave formation, whereby an increased heat and mass transfer is achieved.
  • the performance-related heat exchanger area is reduced.
  • the scalability achieved with the invention makes it possible to individually adapt thermal engineering systems, in particular refrigeration systems, with regard to the system size and output for different applications.
  • a compact design is made possible to advance into small performance ranges that were unattractive for known types of possible assembly of heat exchanger components due to poor power density and large space requirements.
  • the invention provides that the evaporator device and the condenser device are arranged opposite one another on the end face.
  • end faces of the evaporator device and the condenser device are arranged opposite one another, either at a distance from one another or essentially lying on top of one another.
  • the evaporator device and the liquefier device are arranged at least in sections interlocking at the end.
  • line sections of the evaporator device and the condenser device engage in sections, with an overlap formed thereby preferably being greater or less than half the longitudinal extent of the respective pipelines.
  • An advantageous embodiment of the invention provides that pipes of the evaporator device and pipes of the condenser device alternately interlock.
  • a pipe of the evaporator device and a pipe of the condenser device are arranged alternately.
  • a further development of the invention preferably provides that an end face of the evaporator device facing the condenser device is arranged substantially completely overlapping with an end face of the condenser device facing the evaporator device and / or vice versa.
  • the end faces are arranged essentially congruently.
  • An advantageous embodiment of the invention provides a drip separator-free design. In contrast to known heat exchanger units, the effort and provisions for a droplet separator can be saved.
  • a further development of the invention provides a vapor barrier-free and / or a drip barrier-free training. This creates a further simplification, which supports a material and cost-saving structure.
  • the invention provides a module structure.
  • the proposed design principle with regard to the arrangement of the evaporator device and the condenser device makes it possible, in one embodiment, to design independent flow properties for the heat exchanger operating means in the respective module, which essentially do not change even if several heat exchanger units constructed as modules are assembled in one system.
  • the evaporator device and the condenser device are formed in a thermal compressor.
  • the thermal compressor is integrated in a refrigeration system.
  • Fig. 1 shows a perspective view of a thermal system with a heat exchanger unit 10, which is formed with a steam generator 11 and a condenser 12.
  • the steam generator 11 and the condenser 12 each have associated pipelines 13, 14.
  • a further heat exchanger unit 20 is arranged, which is formed with a condenser 21 and a steam generator 22.
  • the two heat exchanger units 10, 20 form a refrigeration system.
  • the steam generator 11 and the condenser 12 are positioned in an end configuration or arrangement, with end surfaces arranged opposite each other.
  • the same construction is provided for the further heat exchanger unit 20 with the condenser 21 and the steam generator 22.
  • evaporated operating fluid which is also referred to as working fluid, flows from the steam generator 11 to the condenser 12 in order to at least partially condense there.
  • the liquid condensate is then transferred to the steam generator 22 in order to evaporate there and then to flow as steam to the condenser 21, where condensation takes place again.
  • the liquid produced here is then fed back to the steam generator 11.
  • Fig. 2 shows a schematic representation of a heat exchanger unit with condenser device 30 and evaporator device 31 in which end faces 32, 33 are arranged opposite one another.
  • Fig. 3 shows a schematic representation of a heat exchanger unit with condenser device 40 and evaporator device 41, in which end faces 42, 43 are also arranged opposite one another.
  • Fig. 4 shows a schematic representation of a heat exchanger unit with a condenser device 50 and an evaporator device 51 in a configuration at the end, the evaporator device 50 and the condenser device 51 being partially interlocking, so that an overlap area 52 is created.
  • the respective evaporator device can be an evaporator, a desorber or a generator.
  • the respective condenser device (condenser) is preferably designed as an absorber or condenser.

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)
  • Details Of Heat-Exchange And Heat-Transfer (AREA)

Claims (8)

  1. Installation thermique, pourvue de plusieurs unités d'échangeurs thermiques (10, 20), qui sont assemblées conformément à une structure modulaire :
    - les plusieurs unités d'échangeurs thermiques (10, 20) étant formées chacune avec un système d'évaporateur, qui est configuré pour faire évaporer un fluide de fonctionnement d'échangeur thermique, et avec un système de condenseur, qui est configuré pour liquéfier le fluide de fonctionnement d'échangeur thermique, pour une submersion du fluide de fonctionnement d'échangeur thermique, le système d'évaporateur et le système de condenseur étant en liaison fluidique et placés l'un par rapport à l'autre selon une configuration frontale, et
    - les plusieurs unités d'échangeurs thermiques (10, 20) formant une unité thermodynamique et relevant de la technique de processus, de telle sorte qu'en fonctionnement
    - du fluide de fonctionnement évaporé du système d'évaporateur (11) vers un système de condenseur (12) submerge l'une des unités d'échangeurs thermiques (10), pour s'y liquéfier au moins partiellement,
    - le liquide généré dans le système de condenseur (12) soit alors transféré vers un système d'évaporateur (22) d'une autre des unités d'échangeurs thermiques (20) pour s'y évaporer sous forme de vapeur, et
    - la vapeur submerge un système de condenseur (21) de l'autre unité d'échangeurs thermiques (20), où une fois encore a lieu une liquéfaction, et le liquide généré à cet effet est ramené vers le système d'évaporateur (11).
  2. Installation thermique selon la revendication 1, caractérisée en ce que sur les plusieurs unités d'échangeurs thermiques (10, 20), le système d'évaporateur (51) et le système de condenseur (50) sont placés en s'imbriquant au moins en partie en face frontale.
  3. Installation thermique selon la revendication 2, caractérisée en ce que sur les plusieurs unités d'échangeurs thermiques (10, 20), des tuyauteries du système d'évaporateur et des tuyauteries du système de condenseur s'imbriquent en alternance.
  4. Installation thermique selon au moins l'une quelconque des revendications précédentes, caractérisée en ce que sur les plusieurs unités d'échangeurs thermiques (10, 20), une face frontale du système d'évaporateur qui est dirigée vers le système de condenseur est placée en chevauchement sensiblement complet avec une face frontale du système de condenseur qui est dirigée vers le système d'évaporateur et / ou inversement.
  5. Installation thermique selon au moins l'une quelconque des revendications précédentes, caractérisée par une réalisation sans séparateur de gouttes des plusieurs unités d'échangeurs thermiques (10, 20).
  6. Installation thermique selon au moins l'une quelconque des revendications précédentes, caractérisée par une réalisation sans pare-vapeur et / ou une réalisation sans paregouttes des plusieurs unités d'échangeurs thermiques (10, 20).
  7. Installation thermique selon au moins l'une quelconque des revendications précédentes, caractérisée en ce que sur les plusieurs unités d'échangeurs thermiques (10, 20), le système d'évaporateur et le système de condenseur sont formés dans un compresseur.
  8. Installation thermique selon au moins l'une quelconque des revendications précédentes, réalisée sous la forme d'une pompe à chaleur, d'une installation frigorifique ou d'une installation de dessalement.
EP10719231.2A 2009-03-20 2010-03-19 Unité d'échange de chaleur et installation thermotechnique Active EP2409103B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009013684A DE102009013684A1 (de) 2009-03-20 2009-03-20 Wärmetauschereinheit und wärmetechnische Anlage
PCT/DE2010/000309 WO2010105613A2 (fr) 2009-03-20 2010-03-19 Unité d'échange de chaleur et installation thermotechnique

Publications (2)

Publication Number Publication Date
EP2409103A2 EP2409103A2 (fr) 2012-01-25
EP2409103B1 true EP2409103B1 (fr) 2020-05-06

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EP10719231.2A Active EP2409103B1 (fr) 2009-03-20 2010-03-19 Unité d'échange de chaleur et installation thermotechnique

Country Status (4)

Country Link
US (1) US10801782B2 (fr)
EP (1) EP2409103B1 (fr)
DE (1) DE102009013684A1 (fr)
WO (1) WO2010105613A2 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3686714A1 (fr) * 2019-01-25 2020-07-29 Asetek Danmark A/S Système de refroidissement comprenant une unité d'échange de chaleur

Citations (2)

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US5916251A (en) * 1997-10-29 1999-06-29 Gas Research Institute Steam flow regulation in an absorption chiller
EP1160530A1 (fr) * 1999-03-04 2001-12-05 Ebara Corporation Echangeur de chaleur a plaques

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Publication number Priority date Publication date Assignee Title
US5916251A (en) * 1997-10-29 1999-06-29 Gas Research Institute Steam flow regulation in an absorption chiller
EP1160530A1 (fr) * 1999-03-04 2001-12-05 Ebara Corporation Echangeur de chaleur a plaques

Also Published As

Publication number Publication date
WO2010105613A2 (fr) 2010-09-23
WO2010105613A3 (fr) 2011-03-10
EP2409103A2 (fr) 2012-01-25
US20120067713A1 (en) 2012-03-22
DE102009013684A1 (de) 2010-10-07
US10801782B2 (en) 2020-10-13

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