GB2446062B - CO2 refrigeration system with compressors in two-stage arrangement - Google Patents
CO2 refrigeration system with compressors in two-stage arrangementInfo
- 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
Links
- 238000005057 refrigeration Methods 0.000 title 1
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)
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)
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)
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)
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)
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 |
-
2007
- 2007-01-26 DE DE102007003989A patent/DE102007003989A1/en not_active Ceased
- 2007-10-05 IT IT000520A patent/ITRM20070520A1/en unknown
-
2008
- 2008-01-09 JP JP2008002207A patent/JP2008185327A/en active Pending
- 2008-01-24 GB GB0801330A patent/GB2446062B/en active Active
Patent Citations (7)
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)
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
Date | Code | Title | Description |
---|---|---|---|
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 |