EP1826514B1 - Procédé d'utilisation d'une installation de réfrigération avec double utilisation - Google Patents

Procédé d'utilisation d'une installation de réfrigération avec double utilisation Download PDF

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Publication number
EP1826514B1
EP1826514B1 EP06003559A EP06003559A EP1826514B1 EP 1826514 B1 EP1826514 B1 EP 1826514B1 EP 06003559 A EP06003559 A EP 06003559A EP 06003559 A EP06003559 A EP 06003559A EP 1826514 B1 EP1826514 B1 EP 1826514B1
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EP
European Patent Office
Prior art keywords
evaporator
heat
condenser
cooling circuit
winter
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.)
Not-in-force
Application number
EP06003559A
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German (de)
English (en)
Other versions
EP1826514A1 (fr
Inventor
Heinz Schilling
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.)
Heinz Schilling KG
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Heinz Schilling KG
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 Heinz Schilling KG filed Critical Heinz Schilling KG
Priority to AT06003559T priority Critical patent/ATE462943T1/de
Priority to DE502006006573T priority patent/DE502006006573D1/de
Priority to EP06003559A priority patent/EP1826514B1/fr
Priority to DK06003559.9T priority patent/DK1826514T3/da
Publication of EP1826514A1 publication Critical patent/EP1826514A1/fr
Application granted granted Critical
Publication of EP1826514B1 publication Critical patent/EP1826514B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
    • F24F5/0007—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
    • F24F5/001—Compression cycle type
    • 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
    • F25B25/00—Machines, plants or systems, using a combination of modes of operation covered by two or more of the groups F25B1/00 - F25B23/00
    • F25B25/005—Machines, plants or systems, using a combination of modes of operation covered by two or more of the groups F25B1/00 - F25B23/00 using primary and secondary systems
    • 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
    • F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
    • F25B2400/04—Refrigeration circuit bypassing means
    • F25B2400/0409—Refrigeration circuit bypassing means for the evaporator
    • 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
    • F25B2600/00—Control issues
    • F25B2600/25—Control of valves
    • F25B2600/2511—Evaporator distribution valves
    • 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
    • F25B29/00—Combined heating and refrigeration systems, e.g. operating alternately or simultaneously
    • F25B29/003—Combined heating and refrigeration systems, e.g. operating alternately or simultaneously of the compression type system
    • 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
    • F25B5/00—Compression machines, plants or systems, with several evaporator circuits, e.g. for varying refrigerating capacity
    • F25B5/02—Compression machines, plants or systems, with several evaporator circuits, e.g. for varying refrigerating capacity arranged in parallel
    • 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
    • F25C—PRODUCING, WORKING OR HANDLING ICE
    • F25C3/00—Processes or apparatus specially adapted for producing ice or snow for winter sports or similar recreational purposes, e.g. for sporting installations; Producing artificial snow

Definitions

  • the invention relates to a method for operating a refrigeration system with a recooling plant and a condenser, wherein in a summer mode, the condenser is arranged with at least a first evaporator in an internal refrigeration cycle and by means of the at least one first evaporator, a heat transfer medium is cooled in an external refrigeration cycle in order to cool at least one component of an air and / or air conditioning system, wherein the heat accumulating on the condenser is supplied to the environment via the recooling plant.
  • Air conditioning and air conditioning systems especially in buildings, need to comply with predetermined room air conditions, such. Temperature and / or humidity, usually cold energy. This may be via natural cooling e.g. from well water, ground cold, adiabatic evaporative cooling or produced by means of refrigeration plants.
  • the mechanical refrigeration systems use the Carnot cycle with a refrigerant as a so-called working fluid, which initially compressed and liquefied and the resulting heat dissipated through the condenser and then expanded in the evaporator, for example via an expansion valve, which creates cold and so in the evaporator heat is removed from a heat transfer medium to be cooled.
  • the heat accumulating on a condenser can usually be supplied to the environment, for example, by means of a recooling plant.
  • the internal process temperatures are usually on the cold side (evaporator side) at about + 5 ° C to -5 ° C and on the waste heat side (condenser side) between 30 ° C to 50 ° C.
  • Cold water temperatures e.g. 12 ° C to 6 ° C are provided and it remindkühlmedien between 25 ° C and 45 ° C are required, with which the waste heat is removed from a condenser.
  • such refrigeration systems are required in summer cooling operation at outdoor temperatures between 15 ° C and 32 ° C, for. to cool the warm outside air supplied to a building, for which e.g. a heat exchanger is arranged in a supply air flow, which is traversed by a cooled heat transfer medium, which was previously cooled in an evaporator stage of such a refrigeration system.
  • chillers As heat pump systems.
  • a secure heat source such as a heat source
  • Geothermal, well water etc. is available. If you want to use outdoor air as a source of heat or cool the exhaust air of a building below 0 degrees Celsius, this is problematic due to the condensation and icing of the heat exchanger. It is further disadvantageous that about 0.4 to 0.7 kWh of electricity is required for each kWh of heat produced. This corresponds approximately to a performance figure between 1: 2.5 to 1: 1.5.
  • the document DE 24 50 311 discloses a method or a refrigeration system in which both an ice rink and a dehumidifying an indoor pool are operated in parallel, the waste heat is always supplied to the Hallenbadbeattyung.
  • the object of the invention is to make better use of the investments for an already installed refrigeration system.
  • the condenser is switched in an internal refrigeration cycle with at least one second evaporator for switching to a winter mode, wherein by means of the at least one second evaporator, a heat transfer medium is cooled in a second external refrigeration cycle, wherein in a heat pump operation with outside air as a heat source Component of another Kältenutzens cooled and the condenser-side waste heat is connected as building heating heat either on supply or return of a building heating
  • a refrigeration system can be switched to a second operating mode, in which the generated refrigeration for another Kältenutzen, such as. a winter sports and / or winter recreation facility and / or cold use in health care, e.g. Cold rooms, cold baths, ice baths, ice cream, etc. is used.
  • another Kältenutzen such as. a winter sports and / or winter recreation facility and / or cold use in health care, e.g. Cold rooms, cold baths, ice baths, ice cream, etc.
  • a refrigeration system in the summer in the first operating mode, can be used as usual for cooling building supply air, whereby the condenser-side waste heat from the refrigeration system can be fed to the environment through a recooling plant, whereas in the second operating mode, for example, the refrigeration system continues to be used in winter.
  • additional benefits which are seen for example in a winter sports and / or winter recreation facility and / or health care can.
  • skating rinks for skating and / or curling or even snow-making systems or other cooling applications can be operated, for example in the healthcare sector.
  • a refrigeration system according to the invention can be switched at any time between the modes, if necessary. Automatic periodic switching after expiration of predetermined / predetermined time intervals and thus an intermittent operation.
  • the time intervals can be chosen arbitrarily.
  • the said cooled component may be, for example, at least one heat exchanger in the supply air flow of the building ventilation or building air conditioning system.
  • the capacitor is according to the invention arranged after switching with at least one second evaporator in an internal refrigerant circuit of the same above-mentioned refrigerant, by means of at least one second evaporator, a heat transfer medium in a second external refrigeration cycle is coolable to at least one component of another Kältenutzen, eg a winter sport and or Winter leisure facility and / or health care to cool.
  • both external refrigeration circuits each have their own evaporator and, as required, can contain different heat transfer media.
  • the heat transfer medium in the second external refrigeration cycle is a frost-proof heat transfer medium, in particular a brine and / or a glycol-water mixture to freeze the heat transfer medium during operation in conjunction with a winter leisure or winter sports facility or a healthcare facility to prevent.
  • the heat transfer medium in the first external refrigeration cycle does not necessarily have to be frost-proof.
  • the cycle of the heat transfer medium in the second external refrigeration cycle, between a plurality of components to be cooled, e.g. a winter sports and / or winter recreation facility and / or plant in health care be at least partially switchable.
  • the heat transfer medium can circulate through at least one cooling coil of an ice rink and / or a heat exchanger of a snowmaking system or a cooling coil of a cold chamber, etc.
  • the first operating mode internal evaporator process temperatures in the respective evaporators of greater than or equal to zero degrees Celsius are generated and in the second operating mode of less than zero degrees Celsius, in particular -10 ° C are generated.
  • the second operating mode for example, automatically by means of a cooling coil on a cooled surface, an ice surface can be generated by condensation and freezing of atmospheric moisture, in particular wherein a freezing of the ventilation system is prevented in the first mode.
  • the refrigerant internal process pressure of the refrigerant in the internal refrigeration circuit between the condenser and one (possibly multiple) evaporator at a switchover to the second mode changeable, in particular increased is, in particular in order to cool the heat transfer medium in the second external refrigeration cycle to a lower temperature than the temperature of the first external refrigeration cycle in the first mode.
  • the condenser-side waste heat reaches a higher heat potential than in the first mode and this waste heat is preferably alsschaltbar in a switchable manner to another heat consumer, especially as building heating or in particular subordinated to a recooling.
  • the combination of an additional use of the chiller in conjunction with the heat pump function is particularly economical, since the heat and cold product of the chiller is used simultaneously and, if necessary, ideally can be dispensed with a conventional heating system.
  • the outside air is used here as a heat source for a chiller operation with simultaneous heat pump function.
  • the otherwise problematic condensate failure from the air and the concomitant icing can be used positively for ice formation.
  • a refrigeration system according to the invention can thus have a double benefit, namely, for example, in the summer for the cooling of supply air of a building and, for example, in winter the cooling of a winter attraction (winter sports / leisure facility) or a cold application in health care and in particular the heating of a building.
  • the double benefit can be analogous to a changeover, for example, between daytime and nighttime operation or can specify when switching to other specified times, in particular those of users of such a system.
  • FIG. 1 shows a schematic overview of a refrigeration system with a condenser 5 which forms an internal refrigeration circuit using a refrigerant with a first evaporator 7 or after switching by means of the valves 19 with a second evaporator 9.
  • a second external refrigeration cycle K2 can be cooled by means of the second evaporator 9 with a water / brine / glycol mixture as heat transfer medium, which in this embodiment circulates through a cooling coil 11 of an ice surface and / or through a heat exchanger of a snow making system 12, is cooled by means of the air, then to freeze sprayed water to snow.
  • a frost-proof, e.g. integrated solar heat exchanger wherein the refrigeration process temperature of the internal refrigerant in the evaporator 9 at e.g. - 10 ° C e.g. Switchable by process pressure change is lowered to allow a temperature of the heat transfer medium of about -5 ° C for use in the field of ice sports or fan attraction.
  • the process pressures may e.g. be displayed on the pressure displays 20.
  • the waste heat of the condenser 5 is guided by the heat transfer medium of the recirculating circuit RK priority to a heat exchanger 17 to transfer the waste heat either in a flow 2 or return 3 a heating system with a boiler 1 or by switching directly to the recooling 4 (usually in summer mode ) to transport.
  • the waste heat can be used in the winter for heating the building.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Sustainable Development (AREA)
  • Combustion & Propulsion (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Air Conditioning Control Device (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)
  • Other Air-Conditioning Systems (AREA)
  • Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
  • Liquid Crystal Substances (AREA)

Claims (10)

  1. Procédé d'utilisation d'une installation de réfrigération avec un aéroréfrigérant et un condensateur (5), dans un mode de fonctionnement d'été, le condensateur étant disposé avec au moins un premier évaporateur (7) dans un circuit de réfrigération interne et au moyen de l'au moins un premier évaporateur (7), un agent caloporteur étant refroidi dans un circuit de réfrigération externe afin de refroidir au moins un élément de construction (14) d'une installation (16) d'aérage et/ou de climatisation, la chaleur produite sur le condensateur étant amenée à l'environnement par le biais de l'aéroréfrigérant, caractérisé en ce que pour une commutation dans un mode de fonctionnement d'hiver, le condensateur (5) est monté dans un circuit de réfrigération interne avec au moins un second évaporateur (9), au moyen de l'au moins un second évaporateur (9), un agent caloporteur étant refroidi dans un second circuit de réfrigération externe, dans un fonctionnement de pompe à chaleur avec de l'air extérieur comme source de chaleur, un élément de construction d'une autre utilité réfrigérante étant refroidi et la chaleur perdue côté condensateur étant reprise comme chaleur de chauffage de bâtiment au choix sur la canalisation montante (2) ou le retour (3) d'un chauffage de bâtiment.
  2. Procédé selon la revendication 1, caractérisé en ce qu'il s'agit pour l'utilité réfrigérante, d'une installation de sports d'hiver et/ou de loisirs d'hiver (11, 12) et/ou d'une installation de santé.
  3. Procédé selon la revendication 1 ou 2, caractérisé en ce qu'en mode de fonctionnement d'hiver, une couche de glace est générée au moyen d'un serpentin de réfrigération sur une surface refroidie par condensation et gel de l'humidité de l'air.
  4. Procédé selon l'une quelconque des revendications précédentes, caractérisé en ce que comme agent caloporteur dans le second circuit de réfrigération externe est utilisé un agent résistant au gel, en particulier une eau saline et/ou un mélange d'eau et de glycol.
  5. Procédé selon l'une quelconque des revendications précédentes, caractérisé en ce que le second circuit de réfrigération externe de l'agent caloporteur est commuté au moins en partie entre plusieurs éléments de construction (11, 12) à refroidir d'une autre utilité réfrigérante.
  6. Procédé selon la revendication 5, caractérisé en ce que l'agent caloporteur circule au travers d'un serpentin de réfrigération d'une patinoire (11) et/ou d'un échangeur de chaleur (12) d'une installation d'enneigement.
  7. Procédé selon l'une quelconque des revendications précédentes, caractérisé en ce que la pression de processus de l'agent de refroidissement dans un circuit de réfrigération interne entre le condensateur (5) et un évaporateur (7, 9) est modifiée lors d'une commutation en mode de fonctionnement d'hiver.
  8. Procédé selon la revendication 7, caractérisé en ce que la pression de processus est augmentée afin de refroidir le second circuit de réfrigération externe (11, 12) à une température plus basse que la température du premier circuit de réfrigération externe en mode de fonctionnement d'été.
  9. Procédé selon l'une quelconque des revendications précédentes, caractérisé en ce que les températures de processus d'évaporateur sont commutées entre les modes de fonctionnement.
  10. Procédé selon la revendication 9, caractérisé en ce que les températures de processus sont commutées entre zéro degré Celsius et moins 10°C.
EP06003559A 2006-02-22 2006-02-22 Procédé d'utilisation d'une installation de réfrigération avec double utilisation Not-in-force EP1826514B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
AT06003559T ATE462943T1 (de) 2006-02-22 2006-02-22 Verfahren zum betrieb einer kälteerzeugungsanlage mit doppeltem nutzen
DE502006006573T DE502006006573D1 (de) 2006-02-22 2006-02-22 Verfahren zum Betrieb einer Kälteerzeugungsanlage mit doppeltem Nutzen
EP06003559A EP1826514B1 (fr) 2006-02-22 2006-02-22 Procédé d'utilisation d'une installation de réfrigération avec double utilisation
DK06003559.9T DK1826514T3 (da) 2006-02-22 2006-02-22 Fremgangsmåde til drift af et køleanlæg med dobbelt udnyttelse

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP06003559A EP1826514B1 (fr) 2006-02-22 2006-02-22 Procédé d'utilisation d'une installation de réfrigération avec double utilisation

Publications (2)

Publication Number Publication Date
EP1826514A1 EP1826514A1 (fr) 2007-08-29
EP1826514B1 true EP1826514B1 (fr) 2010-03-31

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Application Number Title Priority Date Filing Date
EP06003559A Not-in-force EP1826514B1 (fr) 2006-02-22 2006-02-22 Procédé d'utilisation d'une installation de réfrigération avec double utilisation

Country Status (4)

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EP (1) EP1826514B1 (fr)
AT (1) ATE462943T1 (fr)
DE (1) DE502006006573D1 (fr)
DK (1) DK1826514T3 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008027390A1 (de) * 2008-06-09 2009-12-10 Weiss Klimatechnik Gmbh Verfahren und System zur Klimatisierung eines Gebäudes
FR2946734B1 (fr) * 2009-06-11 2011-07-01 Max Duplan Equipement de chauffage ou de refroidissement comportant une pompe a chaleur geothermique associee a une installation de production de neige de culture
CN106257157A (zh) * 2016-07-22 2016-12-28 东南大学 一种可实现温湿度独立调节的家用空调

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH584388A5 (fr) * 1974-10-16 1977-01-31 Escher Wyss Gmbh
FR2583811A1 (fr) * 1985-06-21 1986-12-26 Magnani Helmuth Patinoire artificielle couverte a recuperation d'energie par pompes a chaleur
CA2459624C (fr) * 2004-02-27 2006-09-05 Toromont Industries Ltd. Systeme, methode et dispositif de gestion de l'energie

Also Published As

Publication number Publication date
DK1826514T3 (da) 2010-06-21
DE502006006573D1 (de) 2010-05-12
ATE462943T1 (de) 2010-04-15
EP1826514A1 (fr) 2007-08-29

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