EP1914491A3 - Refrigeration system - Google Patents

Refrigeration system Download PDF

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Publication number
EP1914491A3
EP1914491A3 EP07020003A EP07020003A EP1914491A3 EP 1914491 A3 EP1914491 A3 EP 1914491A3 EP 07020003 A EP07020003 A EP 07020003A EP 07020003 A EP07020003 A EP 07020003A EP 1914491 A3 EP1914491 A3 EP 1914491A3
Authority
EP
European Patent Office
Prior art keywords
cooling
tiefkühlgesamtmassenstrom
reservoir
stage
refrigerant
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.)
Granted
Application number
EP07020003A
Other languages
German (de)
French (fr)
Other versions
EP1914491B1 (en
EP1914491A2 (en
Inventor
Oliver Javerschek
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.)
Bitzer Kuehlmaschinenbau GmbH and Co KG
Original Assignee
Bitzer Kuehlmaschinenbau GmbH and Co 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 Bitzer Kuehlmaschinenbau GmbH and Co KG filed Critical Bitzer Kuehlmaschinenbau GmbH and Co KG
Publication of EP1914491A2 publication Critical patent/EP1914491A2/en
Publication of EP1914491A3 publication Critical patent/EP1914491A3/en
Application granted granted Critical
Publication of EP1914491B1 publication Critical patent/EP1914491B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • F25B9/00—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point
    • F25B9/002—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point characterised by the refrigerant
    • F25B9/008—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point characterised by the refrigerant the refrigerant being carbon dioxide
    • 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
    • F25B1/00—Compression machines, plants or systems with non-reversible cycle
    • F25B1/10—Compression machines, plants or systems with non-reversible cycle with multi-stage compression
    • 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
    • F25B2309/00—Gas cycle refrigeration machines
    • F25B2309/06—Compression machines, plants or systems characterised by the refrigerant being carbon dioxide
    • F25B2309/061—Compression machines, plants or systems characterised by the refrigerant being carbon dioxide with cycle highest pressure above the supercritical pressure
    • 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
    • F25B2400/07—Details of compressors or related parts
    • F25B2400/075—Details of compressors or related parts with parallel compressors
    • 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
    • F25B2400/13—Economisers
    • 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
    • F25B2400/22—Refrigeration systems for supermarkets
    • 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
    • F25B2400/23—Separators
    • 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
    • F25B40/00—Subcoolers, desuperheaters or superheaters
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)
  • Compression-Type Refrigeration Machines With Reversible Cycles (AREA)

Abstract

Um eine Kälteanlage umfassend einen Kältemittelkreislauf, mit einem hochdruckseitigen kältemittelkühlenden Wärmetauscher, mit einer Expansionskühleinrichtung, mit einem Reservoir für den Hauptmassenstrom, mit mindestens einer Normalkühlstufe, mit einer einen Tiefkühlgesamtmassenstrom aus dem Reservoir entnehmenden Tiefkühlstufe und mit mindestens einer in dem Kältemittelkreislauf angeordneten Kältemittelverdichtereinheit, derart zu verbessern, dass diese einen besseren Wirkungsgrad aufweist, wird vorgeschlagen, dass die Tiefkühlstufe zur weiteren Abkühlung des Tiefkühlgesamtmassenstroms eine Tiefkühlexpansionskühleinrichtung aufweist, die im aktiven Zustand den Tiefkühlgesamtmassenstrom abkühlt und dabei einen dem Tiefkühlexpansionsorgan zugeführten Tiefkühlhauptmassenstrom sowie einen Tiefkühlzusatzmassenstrom erzeugt.

Figure imgaf001
To a refrigeration system comprising a refrigerant circuit, with a high-pressure side refrigerant cooling heat exchanger, with an expansion cooling device, with a reservoir for the main mass flow, with at least one normal cooling stage, with a Tiefkühlgesamtmassenstrom from the reservoir entnehmenden deep freezing stage and with at least one arranged in the refrigerant circuit refrigerant compressor unit, so to improve that this has a better efficiency, it is proposed that the freezing stage for further cooling of Tiefkühlhöhermassenstroms a Tiefkühplexionskuhinrichtung has that cools the Tiefkühlgesamtmassenstrom in the active state and thereby generates a Tiefkühpulsionsorgan supplied Tiefkühlhauptmassenstrom and a Tiefkühlzusatzmassenstrom.
Figure imgaf001
EP07020003.5A 2006-10-17 2007-10-12 Refrigeration system Active EP1914491B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102006050232A DE102006050232B9 (en) 2006-10-17 2006-10-17 refrigeration plant

Publications (3)

Publication Number Publication Date
EP1914491A2 EP1914491A2 (en) 2008-04-23
EP1914491A3 true EP1914491A3 (en) 2011-01-05
EP1914491B1 EP1914491B1 (en) 2024-01-17

Family

ID=38885256

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07020003.5A Active EP1914491B1 (en) 2006-10-17 2007-10-12 Refrigeration system

Country Status (4)

Country Link
US (1) US8056356B2 (en)
EP (1) EP1914491B1 (en)
CN (1) CN101165439B (en)
DE (1) DE102006050232B9 (en)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010003590A2 (en) * 2008-07-07 2010-01-14 Carrier Corporation Refrigeration circuit
WO2010036540A1 (en) * 2008-09-29 2010-04-01 Carrier Corporation Capacity boosting during pulldown
EP2394058B1 (en) * 2009-02-06 2018-01-31 Carrier Corporation Reciprocating refrigeration compressor
EP2496894B1 (en) 2009-11-06 2019-01-02 Carrier Corporation Refrigerating system and method of operating a refrigerating system
KR101201567B1 (en) * 2010-09-27 2012-11-14 엘지전자 주식회사 An air conditioner
CN103282729B (en) * 2011-01-14 2015-09-30 开利公司 Refrigeration system and the method for operating refrigeration system
DE102011012644A1 (en) 2011-02-28 2012-08-30 Gea Bock Gmbh Cooling system for cooling and freezing of foods in warehouses or supermarkets, has refrigerant circuit, which is provided for circulation of refrigerant, particularly carbon dioxide, in operating flow direction
CA2807643C (en) * 2012-02-23 2017-01-03 Systemes Lmp Inc. Mechanical subcooling of transcritical r-744 refrigeration systems with heat pump heat reclaim and floating head pressure
EP2841855B1 (en) 2012-04-27 2021-04-14 Carrier Corporation Cooling system and method of controlling said cooling system
EP2906881A4 (en) * 2012-05-11 2016-04-13 Hill Phoenix Inc Co2 refrigeration system with integrated air conditioning module
CN105358918B (en) 2013-07-02 2017-06-27 三菱电机株式会社 Refrigerant loop and air-conditioning device
US9657969B2 (en) 2013-12-30 2017-05-23 Rolls-Royce Corporation Multi-evaporator trans-critical cooling systems
DE102014100916A1 (en) * 2014-01-27 2015-07-30 Bitzer Kühlmaschinenbau Gmbh refrigeration plant
DE102014100917A1 (en) 2014-01-27 2015-07-30 Bitzer Kühlmaschinenbau Gmbh refrigeration plant
EP3023712A1 (en) * 2014-11-19 2016-05-25 Danfoss A/S A method for controlling a vapour compression system with a receiver
US9726411B2 (en) 2015-03-04 2017-08-08 Heatcraft Refrigeration Products L.L.C. Modulated oversized compressors configuration for flash gas bypass in a carbon dioxide refrigeration system
DE102015112439A1 (en) * 2015-07-29 2017-02-02 Bitzer Kühlmaschinenbau Gmbh refrigeration plant
CN106642786A (en) * 2016-11-24 2017-05-10 松下冷机系统（大连）有限公司 Carbon dioxide refrigerating cycle system adopting intermediate pressure for supplying liquid
US10808966B2 (en) * 2017-03-02 2020-10-20 Heatcraft Refrigeration Products Llc Cooling system with parallel compression
US10767906B2 (en) * 2017-03-02 2020-09-08 Heatcraft Refrigeration Products Llc Hot gas defrost in a cooling system
US11118817B2 (en) * 2018-04-03 2021-09-14 Heatcraft Refrigeration Products Llc Cooling system
US11346583B2 (en) * 2018-06-27 2022-05-31 Emerson Climate Technologies, Inc. Climate-control system having vapor-injection compressors
EP3628942B1 (en) 2018-09-25 2021-01-27 Danfoss A/S A method for controlling a vapour compression system at a reduced suction pressure
PL3628940T3 (en) 2018-09-25 2022-08-22 Danfoss A/S A method for controlling a vapour compression system based on estimated flow
CN111197872B (en) * 2018-11-16 2021-10-29 株式会社前川制作所 Refrigerating device

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3766745A (en) * 1970-03-16 1973-10-23 L Quick Refrigeration system with plural evaporator means
WO2006015629A1 (en) * 2004-08-09 2006-02-16 Carrier Corporation Flashgas removal from a receiver in a refrigeration circuit
WO2006015741A1 (en) * 2004-08-09 2006-02-16 Linde Kältetechnik Gmbh Refrigeration circuit and method for operating a refrigeration circuit

Family Cites Families (5)

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Publication number Priority date Publication date Assignee Title
US5079929A (en) * 1979-07-31 1992-01-14 Alsenz Richard H Multi-stage refrigeration apparatus and method
US4742694A (en) * 1987-04-17 1988-05-10 Nippondenso Co., Ltd. Refrigerant apparatus
JPH1163694A (en) * 1997-08-21 1999-03-05 Zexel Corp Refrigeration cycle
JP2000046420A (en) * 1998-07-31 2000-02-18 Zexel Corp Refrigeration cycle
WO2006022829A1 (en) * 2004-08-09 2006-03-02 Carrier Corporation Co2 refrigeration circuit with sub-cooling of the liquid refrigerant against the receiver flash gas and method for operating the same

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3766745A (en) * 1970-03-16 1973-10-23 L Quick Refrigeration system with plural evaporator means
WO2006015629A1 (en) * 2004-08-09 2006-02-16 Carrier Corporation Flashgas removal from a receiver in a refrigeration circuit
WO2006015741A1 (en) * 2004-08-09 2006-02-16 Linde Kältetechnik Gmbh Refrigeration circuit and method for operating a refrigeration circuit

Also Published As

Publication number Publication date
DE102006050232B3 (en) 2008-02-07
DE102006050232B9 (en) 2008-09-18
US20080110200A1 (en) 2008-05-15
EP1914491B1 (en) 2024-01-17
US8056356B2 (en) 2011-11-15
EP1914491A2 (en) 2008-04-23
CN101165439A (en) 2008-04-23
CN101165439B (en) 2012-10-10

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