GB2446062B - CO2 refrigeration system with compressors in two-stage arrangement - Google Patents

CO2 refrigeration system with compressors in two-stage arrangement

Info

Publication number
GB2446062B
GB2446062B GB0801330A GB0801330A GB2446062B GB 2446062 B GB2446062 B GB 2446062B GB 0801330 A GB0801330 A GB 0801330A GB 0801330 A GB0801330 A GB 0801330A GB 2446062 B GB2446062 B GB 2446062B
Authority
GB
United Kingdom
Prior art keywords
compressors
refrigeration system
stage arrangement
stage
arrangement
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
GB0801330A
Other versions
GB2446062A (en
GB0801330D0 (en
Inventor
Dieter Mosemann
Peter Kolberg
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.)
GEA Refrigeration Germany GmbH
Original Assignee
Grasso GmbH Refrigeration Technology
GEA Grasso GmbH
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 Grasso GmbH Refrigeration Technology, GEA Grasso GmbH filed Critical Grasso GmbH Refrigeration Technology
Publication of GB0801330D0 publication Critical patent/GB0801330D0/en
Publication of GB2446062A publication Critical patent/GB2446062A/en
Application granted granted Critical
Publication of GB2446062B publication Critical patent/GB2446062B/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
    • F25B1/00—Compression machines, plants or systems with non-reversible cycle
    • F25B1/04—Compression machines, plants or systems with non-reversible cycle with compressor of rotary type
    • F25B1/047—Compression machines, plants or systems with non-reversible cycle with compressor of rotary type of screw 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
    • 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
    • F25B41/06—
    • 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
    • F25B41/00—Fluid-circulation arrangements
    • F25B41/30—Expansion means; Dispositions thereof
    • 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
    • F25B41/00—Fluid-circulation arrangements
    • F25B41/30—Expansion means; Dispositions thereof
    • F25B41/39—Dispositions with two or more expansion means arranged in series, i.e. multi-stage expansion, on a refrigerant line leading to the same 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
    • 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
    • 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
    • F25B2400/13—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
    • F25B2400/23—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
    • 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)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
GB0801330A 2007-01-26 2008-01-24 CO2 refrigeration system with compressors in two-stage arrangement Active GB2446062B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102007003989A DE102007003989A1 (en) 2007-01-26 2007-01-26 CO2 refrigeration system with oil-immersed screw compressors in two-stage arrangement

Publications (3)

Publication Number Publication Date
GB0801330D0 GB0801330D0 (en) 2008-03-05
GB2446062A GB2446062A (en) 2008-07-30
GB2446062B true GB2446062B (en) 2011-10-12

Family

ID=39186283

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0801330A Active GB2446062B (en) 2007-01-26 2008-01-24 CO2 refrigeration system with compressors in two-stage arrangement

Country Status (4)

Country Link
JP (1) JP2008185327A (en)
DE (1) DE102007003989A1 (en)
GB (1) GB2446062B (en)
IT (1) ITRM20070520A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105509358A (en) * 2015-12-21 2016-04-20 重庆美的通用制冷设备有限公司 Refrigeration unit

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007013485B4 (en) 2007-03-21 2020-02-20 Gea Refrigeration Germany Gmbh Process for controlling a CO2 refrigeration system with two-stage compression
CN101713599B (en) * 2009-11-09 2012-06-27 刘雄 Air-conditioning heat pump device
KR101252173B1 (en) * 2010-11-23 2013-04-05 엘지전자 주식회사 Heat pump and control method of the heat pump
KR101249898B1 (en) 2011-01-21 2013-04-09 엘지전자 주식회사 Heat pump
JP5798830B2 (en) * 2011-07-29 2015-10-21 三菱重工業株式会社 Supercritical cycle heat pump
CN103344058B (en) * 2013-06-26 2015-05-27 武汉新世界制冷工业有限公司 Method for improving operating efficiency of double-unit and double-stage screw refrigerating unit
CN104154687B (en) 2014-08-22 2016-08-24 珠海格力电器股份有限公司 Flash tank and air conditioner with same
JP6456139B2 (en) * 2014-12-26 2019-01-23 株式会社前川製作所 Refrigeration or air conditioner and control method thereof
CN104913535A (en) * 2015-06-08 2015-09-16 大连冷冻机股份有限公司 Large-sized screw refrigerating compressor unit driven by condensing steam turbine
JP6814974B2 (en) * 2015-09-11 2021-01-20 パナソニックＩｐマネジメント株式会社 Refrigeration equipment
JP6152176B2 (en) * 2016-01-13 2017-06-21 三菱重工業株式会社 Turbo refrigerator
CN106196685A (en) * 2016-07-22 2016-12-07 西安交通大学 A kind of critical-cross carbon dioxide refrigeration system
CN106766297B (en) * 2016-12-22 2019-08-16 广州协义自动化科技有限公司 A kind of ultralow temperature steam trapping pumping system for the pressure that can quickly restore balance
DE102017124385A1 (en) 2017-10-19 2019-04-25 Technische Universität Dresden Refrigeration system and method for operating the refrigeration system
CN109539629A (en) * 2018-11-15 2019-03-29 珠海格力电器股份有限公司 Heat pump equipment
CN111043795B (en) * 2019-12-27 2021-08-20 广东美的白色家电技术创新中心有限公司 Compressor assembly and refrigeration equipment
CN111486609B (en) * 2020-04-02 2021-10-08 珠海格力节能环保制冷技术研究中心有限公司 Air conditioning system and control method
CN114739072B (en) * 2022-04-13 2023-04-28 天津大学 Ice rink refrigerating system
CN114739071B (en) * 2022-04-13 2023-04-28 天津大学 Ice rink refrigeration plant and system
US20240110736A1 (en) * 2022-09-30 2024-04-04 Hill Phoenix, Inc. Co2 refrigeration system with multiple receivers

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2024323A (en) * 1932-07-01 1935-12-17 Baldwin Southwark Corp Apparatus for compressing gaseous fluids
US4232533A (en) * 1979-06-29 1980-11-11 The Trane Company Multi-stage economizer
US4268291A (en) * 1979-10-25 1981-05-19 Carrier Corporation Series compressor refrigeration circuit with liquid quench and compressor by-pass
EP0374688A2 (en) * 1988-12-23 1990-06-27 General Electric Company Refrigerator system with dual evaporators for household refrigerators
EP1207359A2 (en) * 2000-11-15 2002-05-22 Carrier Corporation High pressure regulation in a transcritical vapor compression cycle
EP1577622A2 (en) * 2004-03-19 2005-09-21 SANYO ELECTRIC Co., Ltd. Refrigerating machine
EP1628088A2 (en) * 2004-08-12 2006-02-22 Sanyo Electric Co., Ltd. Refrigerant cycle apparatus

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5717111Y2 (en) * 1977-10-21 1982-04-09
DE10334947B4 (en) 2003-07-31 2019-11-07 Gea Refrigeration Germany Gmbh Compressor for transcritical refrigeration systems
JP2006258397A (en) * 2005-03-18 2006-09-28 Mitsubishi Electric Corp Refrigerator

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2024323A (en) * 1932-07-01 1935-12-17 Baldwin Southwark Corp Apparatus for compressing gaseous fluids
US4232533A (en) * 1979-06-29 1980-11-11 The Trane Company Multi-stage economizer
US4268291A (en) * 1979-10-25 1981-05-19 Carrier Corporation Series compressor refrigeration circuit with liquid quench and compressor by-pass
EP0374688A2 (en) * 1988-12-23 1990-06-27 General Electric Company Refrigerator system with dual evaporators for household refrigerators
EP1207359A2 (en) * 2000-11-15 2002-05-22 Carrier Corporation High pressure regulation in a transcritical vapor compression cycle
EP1577622A2 (en) * 2004-03-19 2005-09-21 SANYO ELECTRIC Co., Ltd. Refrigerating machine
EP1628088A2 (en) * 2004-08-12 2006-02-22 Sanyo Electric Co., Ltd. Refrigerant cycle apparatus

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105509358A (en) * 2015-12-21 2016-04-20 重庆美的通用制冷设备有限公司 Refrigeration unit
CN105509358B (en) * 2015-12-21 2018-05-01 重庆美的通用制冷设备有限公司 Refrigeration unit

Also Published As

Publication number Publication date
JP2008185327A (en) 2008-08-14
GB2446062A (en) 2008-07-30
ITRM20070520A1 (en) 2008-07-27
GB0801330D0 (en) 2008-03-05
DE102007003989A1 (en) 2008-07-31

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Legal Events

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732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)

Free format text: REGISTERED BETWEEN 20120628 AND 20120704