JP2006511777A - 改良型蒸気圧縮ヒートポンプシステム - Google Patents
改良型蒸気圧縮ヒートポンプシステム Download PDFInfo
- Publication number
- JP2006511777A JP2006511777A JP2004562128A JP2004562128A JP2006511777A JP 2006511777 A JP2006511777 A JP 2006511777A JP 2004562128 A JP2004562128 A JP 2004562128A JP 2004562128 A JP2004562128 A JP 2004562128A JP 2006511777 A JP2006511777 A JP 2006511777A
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- Prior art keywords
- heat
- compression refrigeration
- refrigeration system
- temperature
- compressor
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Classifications
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- 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
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- 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
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- 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
- F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
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- 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
- F25B41/385—Dispositions with two or more expansion means arranged in parallel on a refrigerant line leading to the same evaporator
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- 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
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- 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
- F25B2400/04—Refrigeration circuit bypassing means
- F25B2400/0403—Refrigeration circuit bypassing means for the condenser
-
- 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
- F25B2500/00—Problems to be solved
- F25B2500/18—Optimization, e.g. high integration of refrigeration components
-
- 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
- F25B2600/2501—Bypass 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)
- Heat-Pump Type And Storage Water Heaters (AREA)
- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
- Sorption Type Refrigeration Machines (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
- Central Heating Systems (AREA)
Abstract
Description
本発明は、システムの冷媒として二酸化炭素または二酸化炭素を含有する混合物を用いて、超臨界高圧側圧力(high-side pressure)で作動することができる閉循環回路に連結された圧縮機、除熱器(heat rejector)、膨張手段、および吸熱器を備える圧縮冷凍システムに関する。
従来の蒸気圧縮システムは、所与の温度における飽和圧力によりもたらされる臨界未満圧力での冷媒を凝縮することにより、熱を除去する。低い臨界温度を有する冷媒、例えばCO2を用いる場合、システムの効率的な作動を得るために、ヒートシンクの温度が高い、例えば冷媒の臨界温度よりも高い場合、熱除去の圧力は超臨界となる。この場合、作動サイクルは、例えばWO90/07683から既知であるように、超臨界となる。
本発明の主な目的は、上述の短所および欠点のない、単純で効率的なシステムを製造することである。
図1は、閉循環システムに連結された圧縮機1、除熱器2、膨張手段3、および吸熱器4を備える従来の蒸気圧縮システムを示す。例えばCO2を冷媒として用いる場合、除熱器内で効率的な温水生成を達成するために、高圧側圧力は通常、給湯システムでは超臨界である(図2に回路Aで示す)。所望の水道水温度は多くの場合、60〜90°Cであり、除熱器2に対する冷媒入口温度(圧縮機吐出温度以下である)は、所望の温水温度を超えなければならない。
Claims (8)
- 超臨界高圧側圧力で作動することができる閉循環回路に連結された少なくとも圧縮機(1)、除熱器(2)、膨張手段(3)、および吸熱器(4)を備える圧縮冷凍システムであって、
該システムのヒートポンプ効率は、圧縮機吸入ガスの過熱を制御することにより高めることができ、二酸化炭素または二酸化炭素を含有する冷媒混合物が該システムの冷媒として適用されることを特徴とする、圧縮冷凍システム。 - 前記過熱は、熱源の温度が所定レベルを超える場合に増すことを特徴とする、請求項1に記載の圧縮冷凍システム。
- 前記過熱の限度は、所定レベルを超えない圧縮機吐出温度であることを特徴とする、請求項1または2に記載の圧縮冷凍システム。
- 前記除熱器2からの分流は圧縮機吸入ガスの過熱に用いられることを特徴とする、請求項1ないし3のいずれか一項に記載の圧縮冷凍システム。
- 前記高圧側からの分流は、前記吸入ガスの加熱後、吸熱器圧力側に下方に直接膨張することを特徴とする、請求項1ないし4のいずれか一項に記載の圧縮冷凍システム。
- 前記分流の流れは、吸入ガスの過熱を制御するよう調節されることができることを特徴とする、請求項1ないし5のいずれか一項に記載の圧縮冷凍システム。
- 向流熱交換器を用いて前記圧縮機吸入ガスを加熱することを特徴とする、請求項1ないし6のいずれか一項に記載の圧縮冷凍システム。
- 前記向流熱交換器は、別個のユニット、または既に設置されている場合は内部熱交換器とすることができることを特徴とする、請求項1ないし7のいずれか一項に記載の圧縮冷凍システム。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NO20026233A NO318864B1 (no) | 2002-12-23 | 2002-12-23 | Forbedret varmepumpesystem |
PCT/NO2003/000424 WO2004057245A1 (en) | 2002-12-23 | 2003-12-17 | Improved vapour compression heat pump system |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006511777A true JP2006511777A (ja) | 2006-04-06 |
JP4420225B2 JP4420225B2 (ja) | 2010-02-24 |
Family
ID=19914332
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004562128A Expired - Fee Related JP4420225B2 (ja) | 2002-12-23 | 2003-12-17 | 圧縮冷凍システムの作動方法 |
Country Status (9)
Country | Link |
---|---|
US (1) | US7574874B2 (ja) |
EP (1) | EP1588106B1 (ja) |
JP (1) | JP4420225B2 (ja) |
CN (1) | CN100532999C (ja) |
AT (1) | ATE366900T1 (ja) |
AU (1) | AU2003288802A1 (ja) |
DE (1) | DE60314911T2 (ja) |
NO (1) | NO318864B1 (ja) |
WO (1) | WO2004057245A1 (ja) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ATE426785T1 (de) * | 2004-01-28 | 2009-04-15 | Bms Energietechnik Ag | Hocheffiziente verdampfung bei kalteanlagen mit dem dazu nítigen verfahren zum erreichen stabilster verhaltnisse bei kleinsten und/oder gewunschten temperaturdifferenzen der zu kuhlenden medien zur verdampfungstemperatur |
EP2469208A3 (de) * | 2004-12-22 | 2014-08-27 | STIEBEL ELTRON GmbH & Co. KG | Wärmeübertrager und Wärmepumpenkreis |
JP4245044B2 (ja) * | 2006-12-12 | 2009-03-25 | ダイキン工業株式会社 | 冷凍装置 |
US8359882B2 (en) * | 2007-04-13 | 2013-01-29 | Al-Eidan Abdullah A | Air conditioning system with selective regenerative thermal energy feedback control |
JP4905271B2 (ja) * | 2007-06-29 | 2012-03-28 | ダイキン工業株式会社 | 冷凍装置 |
DE102008046620B4 (de) | 2008-09-10 | 2011-06-16 | Thermea. Energiesysteme Gmbh | Hochtemperaturwärmepumpe und Verfahren zu deren Regelung |
US20120073316A1 (en) * | 2010-09-23 | 2012-03-29 | Thermo King Corporation | Control of a transcritical vapor compression system |
US9618246B2 (en) * | 2012-02-21 | 2017-04-11 | Whirlpool Corporation | Refrigeration arrangement and methods for reducing charge migration |
CN102966524B (zh) * | 2012-10-29 | 2015-04-29 | 合肥通用机械研究院 | 制冷压缩机低吸气过热度性能测试装置 |
DE102013113221B4 (de) * | 2013-11-29 | 2024-05-29 | Denso Automotive Deutschland Gmbh | Innerer Wärmetauscher mit variablem Wärmeübergang |
CN105402887B (zh) * | 2015-12-04 | 2018-09-07 | 浙江工业大学 | 开式的基于喷射热泵的燃气热水器 |
GB2550921A (en) * | 2016-05-31 | 2017-12-06 | Eaton Ind Ip Gmbh & Co Kg | Cooling system |
CN107576097B (zh) * | 2017-09-14 | 2019-08-23 | 中国科学院理化技术研究所 | 可预混的变温冷却吸收器以及吸收式循环系统 |
CN109323476A (zh) * | 2018-09-11 | 2019-02-12 | 西安交通大学 | 一种跨临界co2热泵机组及其控制方法 |
US11435120B2 (en) * | 2020-05-05 | 2022-09-06 | Echogen Power Systems (Delaware), Inc. | Split expansion heat pump cycle |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11193967A (ja) | 1997-12-26 | 1999-07-21 | Zexel:Kk | 冷凍サイクル |
JP2001235239A (ja) | 2000-02-23 | 2001-08-31 | Seiko Seiki Co Ltd | 超臨界蒸気圧縮サイクル装置 |
DE10029934A1 (de) * | 2000-06-17 | 2002-01-03 | Behr Gmbh & Co | Klimaanlage mit Klimatisierungs- und Wärmepumpenmodus |
US6606867B1 (en) * | 2000-11-15 | 2003-08-19 | Carrier Corporation | Suction line heat exchanger storage tank for transcritical cycles |
-
2002
- 2002-12-23 NO NO20026233A patent/NO318864B1/no not_active IP Right Cessation
-
2003
- 2003-12-17 US US10/540,202 patent/US7574874B2/en not_active Expired - Fee Related
- 2003-12-17 AT AT03781108T patent/ATE366900T1/de not_active IP Right Cessation
- 2003-12-17 DE DE60314911T patent/DE60314911T2/de not_active Expired - Lifetime
- 2003-12-17 JP JP2004562128A patent/JP4420225B2/ja not_active Expired - Fee Related
- 2003-12-17 CN CNB2003801073141A patent/CN100532999C/zh not_active Expired - Fee Related
- 2003-12-17 EP EP03781108A patent/EP1588106B1/en not_active Expired - Lifetime
- 2003-12-17 AU AU2003288802A patent/AU2003288802A1/en not_active Abandoned
- 2003-12-17 WO PCT/NO2003/000424 patent/WO2004057245A1/en active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
US7574874B2 (en) | 2009-08-18 |
DE60314911D1 (de) | 2007-08-23 |
JP4420225B2 (ja) | 2010-02-24 |
CN100532999C (zh) | 2009-08-26 |
WO2004057245A1 (en) | 2004-07-08 |
EP1588106B1 (en) | 2007-07-11 |
ATE366900T1 (de) | 2007-08-15 |
EP1588106A1 (en) | 2005-10-26 |
NO20026233D0 (no) | 2002-12-23 |
CN1729375A (zh) | 2006-02-01 |
US20060137387A1 (en) | 2006-06-29 |
DE60314911T2 (de) | 2008-03-20 |
WO2004057245A8 (en) | 2005-10-06 |
NO318864B1 (no) | 2005-05-18 |
AU2003288802A1 (en) | 2004-07-14 |
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