GB2449519B - Controller for a refrigeration system with two-stage compression - Google Patents

Controller for a refrigeration system with two-stage compression

Info

Publication number
GB2449519B
GB2449519B GB0804497.6A GB0804497A GB2449519B GB 2449519 B GB2449519 B GB 2449519B GB 0804497 A GB0804497 A GB 0804497A GB 2449519 B GB2449519 B GB 2449519B
Authority
GB
United Kingdom
Prior art keywords
controller
refrigeration system
stage compression
compression
stage
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
GB0804497.6A
Other versions
GB0804497D0 (en
GB2449519A (en
Inventor
Dieter Mosemann
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
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 GEA Grasso GmbH filed Critical GEA Grasso GmbH
Publication of GB0804497D0 publication Critical patent/GB0804497D0/en
Publication of GB2449519A publication Critical patent/GB2449519A/en
Application granted granted Critical
Publication of GB2449519B publication Critical patent/GB2449519B/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
    • F25B1/10—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
    • F25B40/00—Subcoolers, desuperheaters or superheaters
    • F25B40/02—Subcoolers
    • 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
    • F25B49/00—Arrangement or mounting of control or safety devices
    • F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or 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
    • 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
    • F25B1/04—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
    • 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
    • F25B2600/00—Control issues
    • F25B2600/25—Control of valves
    • F25B2600/2509—Economiser valves

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)
  • Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
GB0804497.6A 2007-03-21 2008-03-11 Controller for a refrigeration system with two-stage compression Active GB2449519B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102007013485.3A DE102007013485B4 (en) 2007-03-21 2007-03-21 Process for controlling a CO2 refrigeration system with two-stage compression

Publications (3)

Publication Number Publication Date
GB0804497D0 GB0804497D0 (en) 2008-04-16
GB2449519A GB2449519A (en) 2008-11-26
GB2449519B true GB2449519B (en) 2012-06-13

Family

ID=39713003

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0804497.6A Active GB2449519B (en) 2007-03-21 2008-03-11 Controller for a refrigeration system with two-stage compression

Country Status (4)

Country Link
JP (1) JP2008232613A (en)
DE (1) DE102007013485B4 (en)
GB (1) GB2449519B (en)
IT (1) ITRM20080044A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101252173B1 (en) * 2010-11-23 2013-04-05 엘지전자 주식회사 Heat pump and control method of the heat pump
JP6134477B2 (en) * 2012-01-10 2017-05-24 ジョンソンコントロールズ ヒタチ エア コンディショニング テクノロジー（ホンコン）リミテッド Refrigeration equipment and refrigerator unit
CN106403358A (en) * 2016-08-30 2017-02-15 内蒙古博大实地化学有限公司 Ammonia synthesis device refrigeration system
CN110173910A (en) * 2019-06-27 2019-08-27 珠海格力电器股份有限公司 Air-supplying enthalpy-increasing refrigerating system and air conditioner
WO2021084744A1 (en) * 2019-11-01 2021-05-06 三菱電機株式会社 Refrigeration cycle device

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2246852A (en) * 1990-06-28 1992-02-12 Carrier Corp Refrigeration system
US5095712A (en) * 1991-05-03 1992-03-17 Carrier Corporation Economizer control with variable capacity
US5927088A (en) * 1996-02-27 1999-07-27 Shaw; David N. Boosted air source heat pump
DE102004002775A1 (en) * 2004-01-20 2005-08-04 Grasso Gmbh Refrigeration Technology Screw compressor refrigeration system has a controlled economy connection situated between an inner heat exchanger and the compressor
WO2007111586A1 (en) * 2006-03-27 2007-10-04 Carrier Corporation Refrigerating system with parallel staged economizer circuits using multistage compression
JP2008008499A (en) * 2006-06-27 2008-01-17 Sanyo Electric Co Ltd Refrigerating cycle device and heat pump type water heater

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5197849A (en) * 1975-02-26 1976-08-28
JPS6230691Y2 (en) * 1981-05-15 1987-08-06
JPS6035169U (en) * 1983-08-17 1985-03-11 株式会社神戸製鋼所 screw refrigeration compressor
JPS61285352A (en) * 1985-06-11 1986-12-16 株式会社神戸製鋼所 Screw type heat pump
JP3903409B2 (en) * 2000-03-29 2007-04-11 三菱電機株式会社 Two-stage compression refrigerator
JP4658347B2 (en) * 2001-01-31 2011-03-23 三菱重工業株式会社 Supercritical vapor compression refrigeration cycle
US6694750B1 (en) * 2002-08-21 2004-02-24 Carrier Corporation Refrigeration system employing multiple economizer circuits
DE04252372T1 (en) * 2003-07-18 2005-06-23 Star Refrigeration Ltd., Glasgow Improved supercritical refrigeration cycle system
DE10334947B4 (en) * 2003-07-31 2019-11-07 Gea Refrigeration Germany Gmbh Compressor for transcritical refrigeration systems
JP4433729B2 (en) * 2003-09-05 2010-03-17 ダイキン工業株式会社 Refrigeration equipment
JP4140488B2 (en) * 2003-09-09 2008-08-27 ダイキン工業株式会社 Screw compressor and refrigeration equipment
JP4613526B2 (en) * 2004-06-23 2011-01-19 株式会社デンソー Supercritical heat pump cycle equipment
JP2006145087A (en) * 2004-11-17 2006-06-08 Denso Corp Supercritical refrigeration cycle
JP4771721B2 (en) * 2005-03-16 2011-09-14 三菱電機株式会社 Air conditioner
JP2006258397A (en) * 2005-03-18 2006-09-28 Mitsubishi Electric Corp Refrigerator
JP2006292229A (en) * 2005-04-08 2006-10-26 Mayekawa Mfg Co Ltd Co2 refrigeration cycle device and supercritical refrigeration operation method therefor
DE102005018602B4 (en) * 2005-04-21 2015-08-20 Gea Grasso Gmbh Two-stage screw compressor unit
DE102007003989A1 (en) * 2007-01-26 2008-07-31 Grasso Gmbh Refrigeration Technology CO2 refrigeration system with oil-immersed screw compressors in two-stage arrangement
DE102007003983B4 (en) 2007-01-26 2023-02-02 Bayerische Motoren Werke Aktiengesellschaft Hollow beam for a motor vehicle

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2246852A (en) * 1990-06-28 1992-02-12 Carrier Corp Refrigeration system
US5095712A (en) * 1991-05-03 1992-03-17 Carrier Corporation Economizer control with variable capacity
US5927088A (en) * 1996-02-27 1999-07-27 Shaw; David N. Boosted air source heat pump
DE102004002775A1 (en) * 2004-01-20 2005-08-04 Grasso Gmbh Refrigeration Technology Screw compressor refrigeration system has a controlled economy connection situated between an inner heat exchanger and the compressor
WO2007111586A1 (en) * 2006-03-27 2007-10-04 Carrier Corporation Refrigerating system with parallel staged economizer circuits using multistage compression
JP2008008499A (en) * 2006-06-27 2008-01-17 Sanyo Electric Co Ltd Refrigerating cycle device and heat pump type water heater

Also Published As

Publication number Publication date
GB0804497D0 (en) 2008-04-16
GB2449519A (en) 2008-11-26
ITRM20080044A1 (en) 2008-09-22
DE102007013485A1 (en) 2008-09-25
DE102007013485B4 (en) 2020-02-20
JP2008232613A (en) 2008-10-02

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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