CA2868441C - Circuit de refrigeration a multiples evaporateurs - Google Patents

Circuit de refrigeration a multiples evaporateurs Download PDF

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Publication number
CA2868441C
CA2868441C CA2868441A CA2868441A CA2868441C CA 2868441 C CA2868441 C CA 2868441C CA 2868441 A CA2868441 A CA 2868441A CA 2868441 A CA2868441 A CA 2868441A CA 2868441 C CA2868441 C CA 2868441C
Authority
CA
Canada
Prior art keywords
liquid
refrigeration circuit
receiver
suction
evaporators
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
CA2868441A
Other languages
English (en)
Other versions
CA2868441A1 (fr
Inventor
Sergio Girotto
Original Assignee
HUURRE FINLAND Oy
HUURRE GROUP Oy
ENEX Srl
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/it
Priority claimed from IT000141A external-priority patent/ITTV20110141A1/it
Priority claimed from IT000010A external-priority patent/ITTV20120010A1/it
Application filed by HUURRE FINLAND Oy, HUURRE GROUP Oy, ENEX Srl filed Critical HUURRE FINLAND Oy
Publication of CA2868441A1 publication Critical patent/CA2868441A1/fr
Application granted granted Critical
Publication of CA2868441C publication Critical patent/CA2868441C/fr
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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—Component parts or details not otherwise provided for in this subclass
    • 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—Component parts or details not otherwise provided for in this subclass
    • 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)

Abstract

L'invention se rapporte à un circuit de réfrigération à multiples évaporateurs du type récepteur basse-pression conçu pour utiliser du dioxyde de carbone comme fluide frigorigène, comprenant au moins un compresseur (1) ; un condenseur/refroidisseur de gaz (2) ; un premier robinet d'étranglement (4) ; un séparateur de liquide/vapeur (5) ; une soupape de limitation de pression (9) ; un dispositif de détection de niveau de liquide (22) ; au moins un évaporateur (7) ; et un récepteur d'aspiration (8). Le circuit de réfrigération est conçu pour acheminer le fluide frigorigène liquide jusqu'à l'évaporateur ou aux évaporateurs (7) depuis ledit séparateur (5) par l'intermédiaire d'un second dispositif d'étranglement (6). Dans le circuit de réfrigération, au moins un éjecteur (14) comprenant un orifice d'aspiration (15) est placé parallèlement au premier robinet d'étranglement (4). Le circuit de réfrigération est conçu pour entraîner un liquide froid depuis le récepteur d'aspiration (8) jusqu'à l'orifice d'aspiration (15) dudit ou desdits injecteurs (14), servant de transfert de charge activé par le transfert d'écoulement, pour maintenir un niveau de liquide suffisant dans le séparateur (5) même si le débit massique circulant dans les évaporateurs (7) est supérieur au débit massique évaporé, par une ouverture d'une soupape (10) sur la ligne partant du récepteur d'aspiration (8) jusqu'à l'orifice d'aspiration (15) de l'éjecteur (14), sur la base d'un signal de niveau maximum produit par le dispositif de détection de niveau de liquide (22), chaque fois que le niveau de liquide dans ledit récepteur d'aspiration (8) est supérieur à un niveau maximum défini. La présente invention se rapporte également à un procédé dans un circuit de réfrigération amplificateur comprenant un circuit basse-température, où le débit massique de liquide quittant le ou les évaporateurs s'évapore dans un premier circuit d'un premier échangeur thermique (16), ledit autre circuit étant conçu pour la circulation de l'intégralité du débit massique de liquide alimentant à la fois les évaporateurs MT et LT.
CA2868441A 2011-06-06 2012-05-28 Circuit de refrigeration a multiples evaporateurs Expired - Fee Related CA2868441C (fr)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
ITTV2011A000077 2011-06-06
IT000077A ITTV20110077A1 (it) 2011-06-06 2011-06-06 Sistema frigorifero a compressione di vapore e espansione diretta con elevato rapporto di circolazione negli evaporatori.
ITTV2011A000141 2011-10-14
IT000141A ITTV20110141A1 (it) 2011-10-14 2011-10-14 Sistema frigorifero con refrigerante r744 con elevato rapporto di circolazione negli evaporatori.
IT000010A ITTV20120010A1 (it) 2012-01-19 2012-01-19 Sistema frigorifero di tipo booster con refrigerante r744.
ITTV2012A000010 2012-01-19
PCT/FI2012/050513 WO2012168544A1 (fr) 2011-06-06 2012-05-28 Circuit de réfrigération à multiples évaporateurs

Publications (2)

Publication Number Publication Date
CA2868441A1 CA2868441A1 (fr) 2012-12-13
CA2868441C true CA2868441C (fr) 2018-07-10

Family

ID=47295543

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2868441A Expired - Fee Related CA2868441C (fr) 2011-06-06 2012-05-28 Circuit de refrigeration a multiples evaporateurs

Country Status (11)

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

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5575192B2 (ja) * 2012-08-06 2014-08-20 三菱電機株式会社 二元冷凍装置
DK3086057T3 (en) * 2013-09-19 2018-09-17 Carrier Corp COOLING CIRCUIT WITH HEAT RECOVERY MODULE
CN103791651B (zh) * 2013-12-23 2016-01-20 滁州安兴环保彩纤有限公司 直纺短丝余汽综合利用装置
CN106461301A (zh) * 2014-03-27 2017-02-22 开利公司 用于确定容器内液体的填充高度的装置和方法
US9897363B2 (en) 2014-11-17 2018-02-20 Heatcraft Refrigeration Products Llc Transcritical carbon dioxide refrigeration system with multiple ejectors
WO2017022378A1 (fr) * 2015-08-03 2017-02-09 株式会社デンソー Vanne intégrée
WO2017029011A1 (fr) 2015-08-14 2017-02-23 Danfoss A/S Système à compression de vapeur doté d'au moins deux groupes évaporateurs
US10508850B2 (en) * 2015-10-20 2019-12-17 Danfoss A/S Method for controlling a vapour compression system in a flooded state
CN108139132B (zh) 2015-10-20 2020-08-25 丹佛斯有限公司 用于控制有可变接收器压力设定点的蒸气压缩系统的方法
MX374485B (es) * 2015-10-20 2025-03-06 Danfoss As Metodo para controlar un sistema de compresion de vapor en modo de eyector durante un tiempo prolongado.
ITUA20163465A1 (it) * 2016-05-16 2017-11-16 Epta Spa Impianto frigorifero a più livelli di evaporazione e metodo di gestione di un tale impianto
RU2705696C2 (ru) * 2017-01-26 2019-11-11 федеральное государственное автономное образовательное учреждение высшего образования "Российский университет дружбы народов" (РУДН) Многоступечатая теплонасосная установка
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 (de) * 2017-08-02 2019-02-07 Wurm Gmbh & Co. Kg Elektronische Systeme Kälteanlage und verfahren zur regelung einer kälteanlage
CN110425780A (zh) * 2018-05-08 2019-11-08 约克（无锡）空调冷冻设备有限公司 制冷系统和用于控制制冷系统的方法
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 (fr) 2020-02-10 2021-08-11 Carrier Corporation Système de réfrigération comportant plusieurs échangeurs de chaleur absorbant la chaleur
EP3907443A1 (fr) 2020-05-06 2021-11-10 Carrier Corporation Circuit de réfrigération d'éjecteur et procédé de fonctionnement de celui-ci
US12078397B2 (en) 2020-12-04 2024-09-03 Honeywell International Inc. Surge control subcooling circuit
EP4508375A1 (fr) * 2022-04-15 2025-02-19 John Bean Technologies AB Estimation de capacité de réfrigération par mesure de différence de température d'air et/ou d'écoulement d'air
FR3139889B1 (fr) * 2022-09-15 2024-09-06 Electricite De France Installation frigorifique.
CN117146482A (zh) * 2023-06-16 2023-12-01 约克（无锡）空调冷冻设备有限公司 制冷系统和制冷系统的控制方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1291196C (zh) * 2004-02-18 2006-12-20 株式会社电装 具有多蒸发器的喷射循环
JP2007218497A (ja) * 2006-02-16 2007-08-30 Denso Corp エジェクタ式冷凍サイクルおよび冷媒流量制御装置
DK1974171T3 (da) * 2006-09-29 2014-08-18 Carrier Corp Kompressionssystem til kølemiddeldamp med flash tank modtager
GB2469616B (en) 2009-02-11 2013-08-28 Star Refrigeration A refrigeration system operable under transcritical conditions

Also Published As

Publication number Publication date
PL2718642T3 (pl) 2017-07-31
ES2602169T3 (es) 2017-02-17
AU2012266219B2 (en) 2016-09-08
EP2718642B1 (fr) 2016-09-14
HRP20161607T1 (hr) 2017-01-13
HUE032488T2 (en) 2017-09-28
EP2718642A1 (fr) 2014-04-16
CA2868441A1 (fr) 2012-12-13
PT2718642T (pt) 2016-12-20
LT2718642T (lt) 2016-11-25
WO2012168544A1 (fr) 2012-12-13
EP2718642A4 (fr) 2015-04-01
AU2012266219A1 (en) 2015-06-11
DK2718642T3 (en) 2016-12-19

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Effective date: 20210528