ES2550108T3 - Method to recover a refrigerant from an air conditioning system - Google Patents

Method to recover a refrigerant from an air conditioning system Download PDF

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Publication number
ES2550108T3
ES2550108T3 ES13168866.5T ES13168866T ES2550108T3 ES 2550108 T3 ES2550108 T3 ES 2550108T3 ES 13168866 T ES13168866 T ES 13168866T ES 2550108 T3 ES2550108 T3 ES 2550108T3
Authority
ES
Spain
Prior art keywords
refrigerant
evaporator
suction unit
air conditioning
conditioning system
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.)
Active
Application number
ES13168866.5T
Other languages
Spanish (es)
Inventor
Rahhali Sanhaji
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ecotechnics SpA
Original Assignee
Ecotechnics SpA
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
Application filed by Ecotechnics SpA filed Critical Ecotechnics SpA
Application granted granted Critical
Publication of ES2550108T3 publication Critical patent/ES2550108T3/en
Active 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
    • F25B45/00—Arrangements for charging or discharging refrigerant
    • 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
    • F25B43/00—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat
    • 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
    • F25B2345/00—Details for charging or discharging refrigerants; Service stations therefor
    • F25B2345/001—Charging refrigerant to a cycle
    • 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
    • F25B2345/00—Details for charging or discharging refrigerants; Service stations therefor
    • F25B2345/002—Collecting refrigerant from a cycle
    • 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
    • F25B2345/00—Details for charging or discharging refrigerants; Service stations therefor
    • F25B2345/003—Control issues for charging or collecting refrigerant to or from a cycle
    • 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
    • F25B2345/00—Details for charging or discharging refrigerants; Service stations therefor
    • F25B2345/006—Details for charging or discharging refrigerants; Service stations therefor characterised by charging or discharging valves

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Power Engineering (AREA)
  • Air-Conditioning For Vehicles (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
  • Central Air Conditioning (AREA)
  • Air Conditioning Control Device (AREA)

Abstract

Un aparato para la recuperación de un refrigerante (230) desde un sistema de aire acondicionado (200), comprendiendo dicho aparato (230): - un colector (235) hidráulicamente conectado a una rama de alta presión (221) y a una rama de baja presión (222) del sistema de aire acondicionado (200) con un conducto de alimentación de fluido (101) en dicho aparato (230); - un evaporador (232) dispuesto para separar 10 dicho refrigerante de las impurezas mediante una evaporación de fracciones líquidas residuales de dicho refrigerante, con el fin de obtener un refrigerante purificado que se evapora y eleva hacia una parte superior del evaporador (232) y para obtener impurezas que están concentradas en una parte inferior de dicho evaporador (232); - una unidad de succión (233) para hacer circular el refrigerante purificado que sale de dicho evaporador (232), estando dicha unidad de succión (233) en conexión hidráulica con dicho conducto de alimentación (101) a través de dicho evaporador y la unidad de succión (233) que incluye un compresor; - un condensador (236) en conexión hidráulica con dicha unidad de succión (233), estando dicho condensador (236) dispuesto para condensar el refrigerante que sale desde dicha unidad de succión (233); - un contenedor de almacenamiento (234) en conexión hidráulica con dicho condensador (236), estando dicho contenedor de almacenamiento (234) dispuesto para contener el refrigerante condensado por dicho condensador (236); caracterizado por cuanto que flujo arriba de dicho evaporador (232), está provisto un medio compresor adicional dispuesto en paralelo con dicho conducto de alimentación, estando dicho medio compresor auxiliar configurado para reforzar el caudal de dicho refrigerante que circula hacia dicho evaporador (232) y para servir de ayuda en una reducción de la presión progresiva de dicho refrigerante en dicho sistema de aire acondicionado (200) en cooperación con dicha unidad de succión (233).An apparatus for recovering a refrigerant (230) from an air conditioning system (200), said apparatus (230) comprising: - a manifold (235) hydraulically connected to a high pressure branch (221) and a low branch pressure (222) of the air conditioning system (200) with a fluid supply line (101) in said apparatus (230); - an evaporator (232) arranged to separate said refrigerant from impurities by evaporating residual liquid fractions of said refrigerant, in order to obtain a purified refrigerant that evaporates and rises to an upper part of the evaporator (232) and for obtaining impurities that are concentrated in a lower part of said evaporator (232); - a suction unit (233) for circulating the purified refrigerant leaving said evaporator (232), said suction unit (233) being in hydraulic connection with said supply line (101) through said evaporator and the unit suction (233) that includes a compressor; - a condenser (236) in hydraulic connection with said suction unit (233), said condenser (236) being arranged to condense the refrigerant leaving from said suction unit (233); - a storage container (234) in hydraulic connection with said condenser (236), said storage container (234) being arranged to contain the refrigerant condensed by said condenser (236); characterized in that upstream of said evaporator (232), an additional compressor means provided in parallel with said feed line is provided, said auxiliary compressor means being configured to reinforce the flow rate of said refrigerant circulating towards said evaporator (232) and to assist in reducing the progressive pressure of said refrigerant in said air conditioning system (200) in cooperation with said suction unit (233).

Description

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Claims (1)

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ES13168866.5T 2012-05-28 2013-05-23 Method to recover a refrigerant from an air conditioning system Active ES2550108T3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT000065A ITPI20120065A1 (en) 2012-05-28 2012-05-28 METHOD AND EQUIPMENT FOR REFRIGERANT RECOVERY FROM A AIR-CONDITIONING SYSTEM
ITPI20120065 2012-05-28

Publications (1)

Publication Number Publication Date
ES2550108T3 true ES2550108T3 (en) 2015-11-04

Family

ID=46397481

Family Applications (1)

Application Number Title Priority Date Filing Date
ES13168866.5T Active ES2550108T3 (en) 2012-05-28 2013-05-23 Method to recover a refrigerant from an air conditioning system

Country Status (5)

Country Link
US (1) US20130312434A1 (en)
EP (1) EP2669606B1 (en)
CN (1) CN103453703B (en)
ES (1) ES2550108T3 (en)
IT (1) ITPI20120065A1 (en)

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JP2011085360A (en) * 2009-10-19 2011-04-28 Panasonic Corp Air conditioner and installation method of the same
US10302342B2 (en) 2013-03-14 2019-05-28 Rolls-Royce Corporation Charge control system for trans-critical vapor cycle systems
EP3199878B1 (en) * 2014-09-26 2021-04-28 Gree Electric Appliances, Inc. of Zhuhai Variable refrigerant volume system and control method thereof
US10429110B2 (en) * 2014-12-30 2019-10-01 Bosch Automotive Service Solutions Inc. System and method for recovering refrigerant
EP3054238B1 (en) * 2015-02-03 2021-03-24 Rolls-Royce Corporation Charge control system for trans-critical vapor cycle systems
ITUB20151182A1 (en) * 2015-05-29 2016-11-29 Ecotechnics S P A Method of charging regenerated refrigerant in an air conditioning system
US10352600B2 (en) 2016-05-23 2019-07-16 Snap-On Incorporated Apparatus and method for a multi-phase vacuum-assisted recovery of refrigerant
US10871317B2 (en) 2016-05-23 2020-12-22 Snap-On Incorporated Apparatus and method for indicating status of multi-phase vacuum-assisted recovery of refrigerant
IT201600069256A1 (en) 2016-07-04 2018-01-04 Snap On Climate Solutions S R L EQUIPMENT AND METHOD FOR WEIGHING CONTENTS OF A STORAGE TANK
CN106215500A (en) * 2016-08-19 2016-12-14 中国人民解放军海军工程大学 A kind of freon purifier using distillation mode
CN108626920A (en) * 2017-03-15 2018-10-09 开利公司 The discharge degree and recycling circuit of refrigeration system, carbon dioxide refrigerating system and its control method
IT201700119259A1 (en) 2017-10-20 2019-04-20 Snap On Tools Corp APPARATUS AND METHOD TO BLOCK AN ACCUMULATION TANK OVER A TRANSPORTATION SCALE
US10808974B2 (en) * 2017-12-20 2020-10-20 Snap-On Incorporated Apparatus and method for dual refrigerant tank refill
GB2584432B (en) * 2019-05-30 2022-02-16 Aspen Pumps Ltd Apparatus for connection to an HVAC-R system during maintenance or commissioning and methods of maintenance or commissioning for an HVAC-R system
GB2584431B (en) * 2019-05-30 2021-10-13 Aspen Pumps Ltd Vacuum pump for use during maintenance or commissioning of an HVAC-R system, adapter for a vacuum pump, and a method of performing a vacuum test on an HVAC-R
CN110657608A (en) * 2019-09-29 2020-01-07 赛埃孚汽车保修设备（太仓）有限公司 Recovery and filling machine for automobile air conditioner refrigerant and application thereof
US20230296300A1 (en) * 2022-03-17 2023-09-21 Carrier Corporation Refrigerant recovery device and method of operation

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5172562A (en) * 1990-07-20 1992-12-22 Spx Corporation Refrigerant recovery, purification and recharging system and method
US5359859A (en) * 1992-12-23 1994-11-01 Russell Technical Products Method and apparatus for recovering refrigerants
US5325675A (en) * 1993-08-02 1994-07-05 Spx Corporation Refrigerant handling system and method with enhanced recovery vacuum capability
US5537836A (en) * 1994-07-09 1996-07-23 Ricketts; William H. Refrigerant recovery unit
US7482085B2 (en) * 1996-06-07 2009-01-27 Bdf Ip Holdings Ltd. Apparatus for improving the cold starting capability of an electrochemical fuel cell
US6314749B1 (en) * 2000-02-03 2001-11-13 Leon R. Van Steenburgh, Jr. Self-clearing vacuum pump with external cooling for evacuating refrigerant storage devices and systems
EP1367343B1 (en) 2002-05-31 2007-01-24 North European Patents and Investments H.S.A., Société Anonyme Apparatus for collecting and purifying refrigerant in air conditioning systems
DE102005040921B4 (en) * 2005-08-30 2008-10-23 Dienes Werke für Maschinenteile GmbH & Co KG Dry running screw compressor with pneumatically controlled vent valve
US8261564B2 (en) * 2007-05-10 2012-09-11 Spx Corporation Refrigerant recovery apparatus with variable vacuum time and method
KR20090044614A (en) * 2007-11-01 2009-05-07 주식회사 에어-텍 Recovery, Regeneration, and Filling Device of Refrigerant for Vehicle Air Conditioning
US8572992B2 (en) * 2008-03-31 2013-11-05 Service Solutions U.S. Llc Method for recovery and recharge of blend refrigerants with blend sent for reclamation
DE202010012578U1 (en) * 2010-09-14 2011-12-21 Dometic Waeco International Gmbh Service device for vehicle air conditioners

Also Published As

Publication number Publication date
CN103453703A (en) 2013-12-18
EP2669606B1 (en) 2015-07-08
US20130312434A1 (en) 2013-11-28
EP2669606A1 (en) 2013-12-04
ITPI20120065A1 (en) 2013-11-29
CN103453703B (en) 2017-05-03

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