JP2012504746A - 遷臨界冷凍システムの高圧側圧力制御 - Google Patents
遷臨界冷凍システムの高圧側圧力制御 Download PDFInfo
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- 238000005057 refrigeration Methods 0.000 title description 4
- 239000003507 refrigerant Substances 0.000 claims abstract description 60
- 230000006835 compression Effects 0.000 claims abstract description 23
- 238000007906 compression Methods 0.000 claims abstract description 23
- 238000000034 method Methods 0.000 claims description 12
- 238000001816 cooling Methods 0.000 claims description 7
- 238000001704 evaporation Methods 0.000 claims description 5
- 230000017525 heat dissipation Effects 0.000 claims description 3
- 230000004044 response Effects 0.000 claims description 2
- 239000012809 cooling fluid Substances 0.000 claims 8
- 239000012530 fluid Substances 0.000 claims 1
- 239000003570 air Substances 0.000 description 11
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 8
- 229910002092 carbon dioxide Inorganic materials 0.000 description 4
- 239000001569 carbon dioxide Substances 0.000 description 4
- 230000005855 radiation Effects 0.000 description 4
- 239000003990 capacitor Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000012080 ambient air Substances 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
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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
- 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
- F25B2500/00—Problems to be solved
- F25B2500/19—Calculation of parameters
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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
- F25B2600/00—Control issues
- F25B2600/17—Control issues by controlling the pressure of the condenser
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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
- F25B2600/00—Control issues
- F25B2600/25—Control of valves
- F25B2600/2513—Expansion valves
-
- 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
- F25B2700/00—Sensing or detecting of parameters; Sensors therefor
- F25B2700/19—Pressures
- F25B2700/193—Pressures of the compressor
- F25B2700/1931—Discharge pressures
-
- 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
- F25B2700/00—Sensing or detecting of parameters; Sensors therefor
- F25B2700/19—Pressures
- F25B2700/193—Pressures of the compressor
- F25B2700/1933—Suction pressures
-
- 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
- F25B2700/00—Sensing or detecting of parameters; Sensors therefor
- F25B2700/19—Pressures
- F25B2700/197—Pressures of the 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
- F25B2700/00—Sensing or detecting of parameters; Sensors therefor
- F25B2700/21—Temperatures
- F25B2700/2116—Temperatures of a condenser
- F25B2700/21161—Temperatures of a condenser of the fluid heated by the condenser
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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
- F25B2700/00—Sensing or detecting of parameters; Sensors therefor
- F25B2700/21—Temperatures
- F25B2700/2116—Temperatures of a condenser
- F25B2700/21163—Temperatures of a condenser of the refrigerant at the outlet of 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
- F25B2700/00—Sensing or detecting of parameters; Sensors therefor
- F25B2700/21—Temperatures
- F25B2700/2117—Temperatures of an evaporator
- F25B2700/21174—Temperatures of an evaporator of the refrigerant at the inlet of the evaporator
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Air Conditioning Control Device (AREA)
- Air-Conditioning For Vehicles (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
- Sorption Type Refrigeration Machines (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
Description
Claims (8)
- 冷媒を高圧力に圧縮する圧縮装置と、
コンデンサ入口温度で冷媒を受け、より低い冷媒出口温度で冷媒を吐出し、かつ流入温度で冷却流体を受け、より高い流出温度で該流体を吐出するコンデンサと、
冷媒をより低い圧力へと減少させる膨張装置と、
入口圧で流入し出口圧で流出する冷媒を加熱しかつ蒸発させる吸熱型熱交換器と、
前記圧力の1つ又は検知された状態と組み合わせて、前記温度の1つに基づき冷媒の所望の高い圧力を判断するコントローラと、
を備える遷臨界蒸気圧縮システム。 - 前記温度は、コンデンサ出口温度、コンデンサ空気流入温度およびコンデンサ空気流出温度からなる群から選択され、
前記圧力は、エバポレータ入口圧力、エバポレータ出口圧力および検知された圧力を示す状態からなる群から選択されることを特徴とする請求項1に記載のシステム。 - CO2蒸気圧縮システムにおける高圧側圧力を最適化する方法であって、
冷媒を高圧力に圧縮するステップと、
ヒートシンクを流れる冷却流体に冷媒の熱を与えて冷媒を冷却するステップと、
冷媒を低圧力に膨張させるステップと、
冷媒を蒸発させるステップと、
冷媒の冷却前又は冷却後に、冷媒又は冷却流体の一方の入口温度又は出口温度を示す特徴を測定するステップと、
冷媒を蒸発させるステップの前又は後に、入口圧力又は出口圧力を示す特徴を測定するステップと、
前記圧力の1つ又は検知された圧力を示す状態と組み合わせて、前記温度の1つに基づき冷媒の所望の高圧力を判断するステップと、
高圧力を所望の高圧力に調節するステップと、
を含むことを特徴とする方法。 - 前記温度は、コンデンサ出口温度、コンデンサ空気流入温度およびコンデンサ空気流出温度からなる群から選択され、
前記圧力は、エバポレータ入口圧力、エバポレータ出口圧力および検知された圧力を示す状態からなる群から選択されることを特徴とする請求項3に記載の方法。 - 冷媒を高圧力に圧縮する圧縮装置と、
冷却流体に冷媒の熱を与えて冷媒を冷却する放熱型熱交換器と、
冷媒を低圧力へと低減させる膨張装置と、
冷媒を蒸発させる吸熱型熱交換器と、
熱交換器から流出する冷媒、熱交換器に流入する冷却流体、又は熱交換器から流出する冷却流体の温度のいずれかを検知する温度センサと、
吸熱型熱交換器の入口又は出口における冷媒圧力を示す状態を検知するセンサと、
コントローラと、
を備え、
コントローラは、前記温度の1つと前記圧力の1つに基づき値を計算し、この値と記録された所定の値とを比較して、冷媒システムの効率を判断し、これに応じて冷媒システムを調節することを特徴とするシステム。 - 前記温度は、コンデンサ出口温度、コンデンサ空気流入温度およびコンデンサ空気流出温度からなる群から選択され、
前記圧力は、エバポレータ入口圧力、エバポレータ出口圧力および検知された圧力を示す状態からなる群から選択されることを特徴とする請求項5に記載のシステム。 - 冷媒システムの能力を最適化する方法であって、
圧縮装置において冷媒を高圧力に圧縮するステップと、
放熱型熱交換器の冷却流体に冷媒の熱を与えて冷媒を冷却するステップと、
膨張装置において冷媒を低圧力に膨張させるステップと、
吸熱型熱交換器において冷媒を蒸発させるステップと、
冷媒の冷却前又は冷却後に、冷媒出口温度、あるいは冷却流体の入口温度又は出口温度を検知するステップと、
冷媒を蒸発させる前又は後に、冷媒の入口圧力又は出口圧力を示す状態を検知するステップと、
前記温度の1つと前記圧力の1つに基づいてシステムの作動状態を示す値を計算するステップと、
冷媒システムの効率を判断するように、計算された値と記録された所定の値とを比較するステップと、
これに応じて冷媒システムを調節するステップと、
を含む方法。 - 前記温度は、コンデンサ出口温度、コンデンサ空気流入温度およびコンデンサ空気流出温度からなる群から選択され、
前記圧力は、エバポレータ入口圧力およびエバポレータ出口圧力からなる群から選択されることを特徴とする請求項7に記載の方法。
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US10178208P | 2008-10-01 | 2008-10-01 | |
US61/101,782 | 2008-10-01 | ||
PCT/US2009/058543 WO2010039630A2 (en) | 2008-10-01 | 2009-09-28 | High-side pressure control for transcritical refrigeration system |
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US (1) | US8745996B2 (ja) |
EP (1) | EP2340404B1 (ja) |
JP (2) | JP2012504746A (ja) |
CN (1) | CN102171520B (ja) |
DK (1) | DK2340404T3 (ja) |
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- 2009-09-28 DK DK09818323.9T patent/DK2340404T3/da active
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CN102171520B (zh) | 2013-11-20 |
DK2340404T3 (da) | 2019-07-22 |
HK1161909A1 (en) | 2012-08-10 |
EP2340404A4 (en) | 2014-05-07 |
US20110239668A1 (en) | 2011-10-06 |
WO2010039630A2 (en) | 2010-04-08 |
EP2340404A2 (en) | 2011-07-06 |
CN102171520A (zh) | 2011-08-31 |
EP2340404B1 (en) | 2019-06-12 |
WO2010039630A3 (en) | 2010-07-01 |
US8745996B2 (en) | 2014-06-10 |
JP6082059B2 (ja) | 2017-02-15 |
JP2015178954A (ja) | 2015-10-08 |
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