DK2417406T3 - Kølemiddeldampkompressionssystem med varmgasomledning - Google Patents

Kølemiddeldampkompressionssystem med varmgasomledning Download PDF

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Publication number
DK2417406T3
DK2417406T3 DK10762278.9T DK10762278T DK2417406T3 DK 2417406 T3 DK2417406 T3 DK 2417406T3 DK 10762278 T DK10762278 T DK 10762278T DK 2417406 T3 DK2417406 T3 DK 2417406T3
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DK
Denmark
Prior art keywords
refrigerant
compression
refrigerant vapor
heat exchanger
flow
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Application number
DK10762278.9T
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English (en)
Inventor
Jason Scarcella
Alexander Lifson
Daqing Li
Biswajit Mitra
Lucy Yi Liu
Suresh Duraisamy
Yu H Chen
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Carrier Corp
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Publication of DK2417406T3 publication Critical patent/DK2417406T3/da

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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
    • F25B41/00—Fluid-circulation arrangements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/32—Cooling devices
    • B60H1/3204—Cooling devices using compression
    • B60H1/3228—Cooling devices using compression characterised by refrigerant circuit configurations
    • 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
    • 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
    • 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
    • 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
    • F25B2400/0411—Refrigeration circuit bypassing means for the expansion valve or capillary tube
    • 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
    • F25B2600/2501—Bypass 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
    • F25B2600/00—Control issues
    • F25B2600/25—Control of valves
    • F25B2600/2509—Economiser 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
    • F25B2700/21—Temperatures
    • F25B2700/2115—Temperatures of a compressor or the drive means therefor
    • F25B2700/21151—Temperatures of a compressor or the drive means therefor at the suction side of the compressor
    • 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
    • F25B2700/2115—Temperatures of a compressor or the drive means therefor
    • F25B2700/21152—Temperatures of a compressor or the drive means therefor at the discharge side of the compressor
    • 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
    • F25B31/00—Compressor arrangements
    • F25B31/006—Cooling of compressor or motor
    • F25B31/008—Cooling of compressor or motor by injecting a liquid
    • 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
    • F25B41/22—Disposition of valves, e.g. of on-off valves or flow control valves between evaporator and compressor

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Defrosting Systems (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)
  • Heat-Pump Type And Storage Water Heaters (AREA)
  • Air Conditioning Control Device (AREA)

Claims (11)

1. Kølemiddeldampkompressionssystem, der omfatter: et primært kølemiddelkredsløb, der indbefatter en kølemiddelkompressionsanordning (20), en kølemiddelvarmeafvisningsvarmeveksler (40) på nedstrømssiden af kompressionsanordningen, en kølemiddelvarmeabsorptionsvarmeveksler (50) på nedstrømssiden af kølemiddelvarmeafvisningsvarmeveksleren og en primær ekspansionsanordning (55) placeret i kølemiddelkredsløbet på nedstrømssiden af kølemiddelvarmeafvisningsvarmeveksleren og på opstrømssiden af kølemiddelvarmeabsorptionsvarmeveksleren; en varmgasomledningsledning (24), der etablerer kølemiddeldampstrømningsforbindelse mellem et sted på opstrømssiden i forhold til kølemiddeldampstrømning fra kølemiddelvarmeafvisningsvarmeveksleren og et sted på opstrømssiden i forhold til kølemiddelvarmeabsorptionsvarmevekslerens kølemiddelstrømning og på nedstrømssiden af den primære ekspansionsanordning, hvor varmgasomledningsledningen omgår kølemiddelvarmeafvisningsvarmeveksleren og den primære ekspansionsanordning; og en kølemiddeldampstrømningsstyringsanordning (87) indsat i varmgasomledningsledningen, kølemiddelstrømningsstyringsanordningen med mindst en første åben position, hvori kølemiddeldampstrømning kan passere gennem varmgasomledningsledningen, og en lukket position, hvori kølemiddeldampstrømning ikke kan passere gennem varmgasomledningsledningen, kendetegnet ved, at varmgasomledningsledningen (24) åbner ind i et mellemtrin af kompressionsanordningen (20) for at modtage kølemiddeldamp fra kompressionsanordningen ved et mellemtryk mellem et kompressionsanordningssugetryk og et kompressionsanordningsafgangstryk.
2. Kølemiddeldampkompressionssystem ifølge krav 1, hvor kølemiddelstrømningsstyringsanordningen (87) omfatter en elektromagnetisk ventil.
3. Kølemiddeldampkompressionssystem ifølge krav 1, hvor kølemiddelstrømningsstyringsanordningen (87) omfatter en ekspansionsventil.
4. Kølemiddeldampkompressionssystem ifølge krav 1, der endvidere omfatter en sugemoduleringsventil (23) indsat i kølemiddelkredsløbet på nedstrømssiden af kølemiddelvarmeabsorptionsvarmeveksleren (50) og på opstrømssiden af kompressionsanordningen.
5. Kølemiddeldampkompressionssystem ifølge krav 1, hvor systemet fungerer i en transkritisk cyklus.
6. Kølemiddeldampkompressionssystem ifølge krav 1, hvor kølemidlet omfatter carbondioxid.
7. Kølemiddeldampkompressionssystem ifølge krav 1, hvor mellemtrinnet er placeret mellem et første uafhængigt kompressionstrin (20a) og et andet uafhængigt kompressionstrin (20b).
8. Kølemiddeldampkompressionssystem ifølge krav 1, der endvidere omfatter en styreenhed (100) til modulering af kølemiddeldampstrømningsstyringsanordningen (87) til selektivt at variere åbningen af en strømningspassage gennem kølemiddeldampstrømningsstyringsanordningen, når kølemiddeldampkompressionssystemet fungerer i én af en opvarmningsmodus eller en optøningsmodus.
9. Kølemiddeldampkompressionssystem ifølge krav 8, hvor styreenheden modulerer kølemiddeldampstrømningsstyringsanordningen (87) til selektivt at variere åbningen af en strømningspassage gennem kølemiddeldampstrømningsstyringsanordningen som reaktion på en målt kompressorafgangskølemiddeltemperatur.
10. Fremgangsmåde til styring af kapaciteten for et kølemiddeldampkompressionssystem, der fungerer i én afen opvarmningsmodus og en optøningsmodus, hvilket kølemiddeldampkompressionssystem indbefatter et kølemiddelkredsløb med en kompressionsanordning (20), en kølemiddelvarmeafvisningsvarmeveksler (40) og en kølemiddelvarmeabsorptionsvarmeveksler (50) placeret i et serielt kølemiddelstrømningsforhold, hvilken fremgangsmåde omfatter følgende trin: omledning af kølemiddeldamp gennem en omledningsledning (24) fra et sted på opstrømssiden af kølemiddelvarmeafvisningsvarmeveksleren direkte til kølemiddelvarmeabsorptionsvarmeveksleren, hvor omledningsledningen (24) åbnes ind i et mellemtrin af kompressionsanordningen for at modtage kølemiddeldamp fra kompressionsanordningen ved et mellemtryk mellem et kompressionsanordningssugetryk og et kompressionsanordningsafgangstryk; placering afen kølemiddeldampstrømningsstyringsanordning (87) i omledningsledningen; placering afen sugemoduleringsventil (23) i en kølemiddelledning, der forbinder en kølemiddeludgang fra kølemiddelvarmeabsorptionsvarmeveksleren i kølemiddelstrømningsforbindelse med en sugeindgang til kompressionsanordningen; selektiv modulering af strømmen af kølemiddeldamp gennem kølemiddelstrømningsstyringsanordningen; og selektiv modulering af strømmen af kølemiddel gennem sugemoduleringsventilen.
11. Fremgangsmåde ifølge krav 10, der endvidere omfatter følgende trin: måling af et kompressorafgangskølemiddeltryk; selektiv modulering af strømmen af kølemiddeldamp gennem kølemiddelstrømningsstyringsanordningen som reaktion på det målte kompressorafgangskølemiddeltryk og selektiv modulering af strømmen af kølemiddel gennem sugemoduleringsventilen (23) til styring af kølemiddelmassestrømning.
DK10762278.9T 2009-04-09 2010-04-06 Kølemiddeldampkompressionssystem med varmgasomledning DK2417406T3 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US16797209P 2009-04-09 2009-04-09
PCT/US2010/030025 WO2010117973A2 (en) 2009-04-09 2010-04-06 Refrigerant vapor compression system with hot gas bypass

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DK2417406T3 true DK2417406T3 (da) 2019-04-23

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US (1) US20120011866A1 (da)
EP (1) EP2417406B1 (da)
CN (1) CN102388279B (da)
DK (1) DK2417406T3 (da)
WO (1) WO2010117973A2 (da)

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