ITRM20080044A1 - Procedura per la regolazione di un impianto di refrigerazione a co2 con due livelli di compressione - Google Patents

Procedura per la regolazione di un impianto di refrigerazione a co2 con due livelli di compressione Download PDF

Info

Publication number
ITRM20080044A1
ITRM20080044A1 IT000044A ITRM20080044A ITRM20080044A1 IT RM20080044 A1 ITRM20080044 A1 IT RM20080044A1 IT 000044 A IT000044 A IT 000044A IT RM20080044 A ITRM20080044 A IT RM20080044A IT RM20080044 A1 ITRM20080044 A1 IT RM20080044A1
Authority
IT
Italy
Prior art keywords
pressure
connection
subcooler
current
economiser
Prior art date
Application number
IT000044A
Other languages
English (en)
Italian (it)
Inventor
Dieter Mosemann
Original Assignee
Grasso Gmbh Refrigeration Technology
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 filed Critical Grasso Gmbh Refrigeration Technology
Publication of ITRM20080044A1 publication Critical patent/ITRM20080044A1/it

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
    • 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)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
IT000044A 2007-03-21 2008-01-25 Procedura per la regolazione di un impianto di refrigerazione a co2 con due livelli di compressione ITRM20080044A1 (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102007013485.3A DE102007013485B4 (de) 2007-03-21 2007-03-21 Verfahren zur Regelung einer CO2-Kälteanlage mit zweistufiger Verdichtung

Publications (1)

Publication Number Publication Date
ITRM20080044A1 true ITRM20080044A1 (it) 2008-09-22

Family

ID=39713003

Family Applications (1)

Application Number Title Priority Date Filing Date
IT000044A ITRM20080044A1 (it) 2007-03-21 2008-01-25 Procedura per la regolazione di un impianto di refrigerazione a co2 con due livelli di compressione

Country Status (4)

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

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101252173B1 (ko) * 2010-11-23 2013-04-05 엘지전자 주식회사 히트 펌프 및 그 제어방법
JP6134477B2 (ja) * 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 冷凍装置及び冷凍機ユニット
CN106403358A (zh) * 2016-08-30 2017-02-15 内蒙古博大实地化学有限公司 合成氨装置冷冻***
WO2021084744A1 (ja) * 2019-11-01 2021-05-06 三菱電機株式会社 冷凍サイクル装置

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JPS5197849A (de) * 1975-02-26 1976-08-28
JPS6230691Y2 (de) * 1981-05-15 1987-08-06
JPS6035169U (ja) * 1983-08-17 1985-03-11 株式会社神戸製鋼所 スクリュ冷凍圧縮機
JPS61285352A (ja) * 1985-06-11 1986-12-16 株式会社神戸製鋼所 スクリユ式ヒ−トポンプ
US5062274A (en) * 1989-07-03 1991-11-05 Carrier Corporation Unloading system for two compressors
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
JP3903409B2 (ja) * 2000-03-29 2007-04-11 三菱電機株式会社 二段圧縮冷凍機
JP4658347B2 (ja) * 2001-01-31 2011-03-23 三菱重工業株式会社 超臨界蒸気圧縮冷凍サイクル
US6694750B1 (en) * 2002-08-21 2004-02-24 Carrier Corporation Refrigeration system employing multiple economizer circuits
EP1498667B1 (de) * 2003-07-18 2010-04-14 Star Refrigeration Ltd. Verbesserte überkritische Kältekreislaufanlage
DE10334947B4 (de) * 2003-07-31 2019-11-07 Gea Refrigeration Germany Gmbh Verdichter für transkritische Kälteanlagen
JP4433729B2 (ja) * 2003-09-05 2010-03-17 ダイキン工業株式会社 冷凍装置
JP4140488B2 (ja) * 2003-09-09 2008-08-27 ダイキン工業株式会社 スクリュー圧縮機および冷凍装置
DE102004002775A1 (de) * 2004-01-20 2005-08-04 Grasso Gmbh Refrigeration Technology Kälteanlage mit Schraubenverdichter
JP4613526B2 (ja) * 2004-06-23 2011-01-19 株式会社デンソー 超臨界式ヒートポンプサイクル装置
JP2006145087A (ja) * 2004-11-17 2006-06-08 Denso Corp 超臨界冷凍サイクル
JP4771721B2 (ja) * 2005-03-16 2011-09-14 三菱電機株式会社 空気調和装置
JP2006258397A (ja) * 2005-03-18 2006-09-28 Mitsubishi Electric Corp 冷凍装置
JP2006292229A (ja) * 2005-04-08 2006-10-26 Mayekawa Mfg Co Ltd Ｃｏ２冷凍サイクル装置及びその超臨界冷凍運転方法
DE102005018602B4 (de) * 2005-04-21 2015-08-20 Gea Grasso Gmbh Zweistufiges Schraubenverdichteraggregat
DK2008036T3 (en) * 2006-03-27 2016-01-18 Carrier Corp Cooling system with parallel incremental economizer circuits using multi-stage compression
JP4716935B2 (ja) * 2006-06-27 2011-07-06 三洋電機株式会社 冷凍サイクル装置及びヒートポンプ式給湯機
DE102007003989A1 (de) * 2007-01-26 2008-07-31 Grasso Gmbh Refrigeration Technology CO2-Kälteanlage mit ölüberfluteten Schraubenverdichtern in zweistufiger Anordnung
DE102007003983B4 (de) 2007-01-26 2023-02-02 Bayerische Motoren Werke Aktiengesellschaft Hohlträger für ein Kraftfahrzeug

Also Published As

Publication number Publication date
DE102007013485B4 (de) 2020-02-20
DE102007013485A1 (de) 2008-09-25
GB2449519B (en) 2012-06-13
GB2449519A (en) 2008-11-26
GB0804497D0 (en) 2008-04-16
JP2008232613A (ja) 2008-10-02

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