PT2718642T - A multi-evaporator refrigeration circuit - Google Patents

A multi-evaporator refrigeration circuit

Info

Publication number
PT2718642T
PT2718642T PT127964526T PT12796452T PT2718642T PT 2718642 T PT2718642 T PT 2718642T PT 127964526 T PT127964526 T PT 127964526T PT 12796452 T PT12796452 T PT 12796452T PT 2718642 T PT2718642 T PT 2718642T
Authority
PT
Portugal
Prior art keywords
refrigeration circuit
evaporator refrigeration
evaporator
circuit
refrigeration
Prior art date
Application number
PT127964526T
Other languages
Portuguese (pt)
Inventor
Girotto Sergio
Original Assignee
Huurre Group Oy
Enex S R L
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
Priority claimed from IT000077A external-priority patent/ITTV20110077A1/en
Priority claimed from IT000141A external-priority patent/ITTV20110141A1/en
Priority claimed from IT000010A external-priority patent/ITTV20120010A1/en
Application filed by Huurre Group Oy, Enex S R L filed Critical Huurre Group Oy
Publication of PT2718642T publication Critical patent/PT2718642T/en

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
    • 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
    • F25B41/00—Fluid-circulation arrangements
    • 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
    • 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
    • F25B2341/00—Details of ejectors not being used as compression device; Details of flow restrictors or expansion valves
    • F25B2341/001—Ejectors not being used as compression device
    • F25B2341/0012—Ejectors with the cooled primary flow at high 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
    • 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
    • F25B2600/2521—On-off valves controlled by pulse signals
    • 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
    • F25B2700/04—Refrigerant level
    • 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
    • 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
    • F25B7/00—Compression machines, plants or systems, with cascade operation, i.e. with two or more circuits, the heat from the condenser of one circuit being absorbed by the evaporator of the next circuit

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)
  • Devices That Are Associated With Refrigeration Equipment (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)
  • Air Conditioning Control Device (AREA)
PT127964526T 2011-06-06 2012-05-28 A multi-evaporator refrigeration circuit PT2718642T (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
IT000077A ITTV20110077A1 (en) 2011-06-06 2011-06-06 REFRIGERATOR SYSTEM WITH STEAM COMPRESSION AND DIRECT EXPANSION WITH HIGH CIRCULATION RATIO IN EVAPORATORS.
IT000141A ITTV20110141A1 (en) 2011-10-14 2011-10-14 REFRIGERANT SYSTEM WITH REFRIGERANT R744 WITH HIGH CIRCULATION REPORT IN EVAPORATORS.
IT000010A ITTV20120010A1 (en) 2012-01-19 2012-01-19 BOOSTER REFRIGERANT SYSTEM WITH REFRIGERANT R744.

Publications (1)

Publication Number Publication Date
PT2718642T true PT2718642T (en) 2016-12-20

Family

ID=47295543

Family Applications (1)

Application Number Title Priority Date Filing Date
PT127964526T PT2718642T (en) 2011-06-06 2012-05-28 A multi-evaporator refrigeration circuit

Country Status (11)

Country Link
EP (1) EP2718642B1 (en)
AU (1) AU2012266219B2 (en)
CA (1) CA2868441C (en)
DK (1) DK2718642T3 (en)
ES (1) ES2602169T3 (en)
HR (1) HRP20161607T1 (en)
HU (1) HUE032488T2 (en)
LT (1) LT2718642T (en)
PL (1) PL2718642T3 (en)
PT (1) PT2718642T (en)
WO (1) WO2012168544A1 (en)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5575192B2 (en) * 2012-08-06 2014-08-20 三菱電機株式会社 Dual refrigeration equipment
DK3047218T3 (en) * 2013-09-19 2021-07-05 Carrier Corp COOLING CIRCUIT WITH HEAT RECOVERY MODULE AND PROCEDURE FOR USING IT
CN103791651B (en) * 2013-12-23 2016-01-20 滁州安兴环保彩纤有限公司 Directly spin steam composite more than short silk and utilize device
CN106461301A (en) * 2014-03-27 2017-02-22 开利公司 Device and method for determining the filling height of liquid in a container
US9897363B2 (en) 2014-11-17 2018-02-20 Heatcraft Refrigeration Products Llc Transcritical carbon dioxide refrigeration system with multiple ejectors
CN107850224B (en) * 2015-08-03 2019-11-08 株式会社电装 Pile-up valve
CA2993328A1 (en) 2015-08-14 2017-02-23 Danfoss A/S A vapour compression system with at least two evaporator groups
US11460230B2 (en) 2015-10-20 2022-10-04 Danfoss A/S Method for controlling a vapour compression system with a variable receiver pressure setpoint
JP6788007B2 (en) * 2015-10-20 2020-11-18 ダンフォス アクチ−セルスカブ How to control the vapor compression system in long-time ejector mode
PL3365620T3 (en) * 2015-10-20 2020-01-31 Danfoss A/S A method for controlling a vapour compression system in a flooded state
ITUA20163465A1 (en) * 2016-05-16 2017-11-16 Epta Spa REFRIGERATOR SYSTEM WITH MORE LEVELS OF EVAPORATION AND METHOD OF MANAGEMENT OF SUCH A SYSTEM
RU2705696C2 (en) * 2017-01-26 2019-11-11 федеральное государственное автономное образовательное учреждение высшего образования "Российский университет дружбы народов" (РУДН) Multi-stage heat pump plant
US10830499B2 (en) 2017-03-21 2020-11-10 Heatcraft Refrigeration Products Llc Transcritical system with enhanced subcooling for high ambient temperature
US20200103151A1 (en) * 2017-03-28 2020-04-02 Danfoss A/S A vapour compression system with a suction line liquid separator
DE102017117565A1 (en) * 2017-08-02 2019-02-07 Wurm Gmbh & Co. Kg Elektronische Systeme COOLING SYSTEM AND METHOD FOR CONTROLLING A REFRIGERATOR
CN110425780A (en) * 2018-05-08 2019-11-08 约克（无锡）空调冷冻设备有限公司 Refrigeration system and method for controlling refrigeration system
DK180146B1 (en) 2018-10-15 2020-06-25 Danfoss As Intellectual Property Heat exchanger plate with strenghened diagonal area
US11493247B2 (en) * 2019-05-13 2022-11-08 Heatcraft Refrigeration Products Llc Cooling system with additional receiver
US11221163B2 (en) 2019-08-02 2022-01-11 Randy Lefor Evaporator having integrated pulse wave atomizer expansion device
EP3862657A1 (en) 2020-02-10 2021-08-11 Carrier Corporation Refrigeration system with multiple heat absorbing heat exchangers
US12078397B2 (en) 2020-12-04 2024-09-03 Honeywell International Inc. Surge control subcooling circuit
FR3139889B1 (en) * 2022-09-15 2024-09-06 Electricite De France Refrigeration installation.

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1291196C (en) * 2004-02-18 2006-12-20 株式会社电装 Ejector cycle having multiple evaporators
JP2007218497A (en) * 2006-02-16 2007-08-30 Denso Corp Ejector type refrigeration cycle and refrigerant flow controller
US7891201B1 (en) * 2006-09-29 2011-02-22 Carrier Corporation Refrigerant vapor compression system with flash tank receiver
GB2469616B (en) * 2009-02-11 2013-08-28 Star Refrigeration A refrigeration system operable under transcritical conditions

Also Published As

Publication number Publication date
CA2868441C (en) 2018-07-10
HRP20161607T1 (en) 2017-01-13
AU2012266219A1 (en) 2015-06-11
AU2012266219B2 (en) 2016-09-08
HUE032488T2 (en) 2017-09-28
EP2718642A1 (en) 2014-04-16
PL2718642T3 (en) 2017-07-31
EP2718642B1 (en) 2016-09-14
CA2868441A1 (en) 2012-12-13
DK2718642T3 (en) 2016-12-19
EP2718642A4 (en) 2015-04-01
WO2012168544A1 (en) 2012-12-13
LT2718642T (en) 2016-11-25
ES2602169T3 (en) 2017-02-17

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