WO2021242213A1 - Système réfrigérant basé sur une chaudière-refroidisseur d'ajout de détente de milieux liquides et gazeux - Google Patents

Système réfrigérant basé sur une chaudière-refroidisseur d'ajout de détente de milieux liquides et gazeux Download PDF

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Publication number
WO2021242213A1
WO2021242213A1 PCT/UA2021/000052 UA2021000052W WO2021242213A1 WO 2021242213 A1 WO2021242213 A1 WO 2021242213A1 UA 2021000052 W UA2021000052 W UA 2021000052W WO 2021242213 A1 WO2021242213 A1 WO 2021242213A1
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WO
WIPO (PCT)
Prior art keywords
liquid
circuits
way valve
housing
heat exchanger
Prior art date
Application number
PCT/UA2021/000052
Other languages
English (en)
Inventor
Petro Serhiiovych SHOROP
Yuriy Ivanovych SHVACHKO
Artem Olegovych KRYVORUCHKO
Kostiantyn Georgiyovych KRYVORUCHENKO
Original Assignee
Shorop Petro Serhiiovych
Shvachko Yuriy Ivanovych
Kryvoruchko Artem Olegovych
Kryvoruchenko Kostiantyn Georgiyovych
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 Shorop Petro Serhiiovych, Shvachko Yuriy Ivanovych, Kryvoruchko Artem Olegovych, Kryvoruchenko Kostiantyn Georgiyovych filed Critical Shorop Petro Serhiiovych
Publication of WO2021242213A1 publication Critical patent/WO2021242213A1/fr

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
    • F25B13/00—Compression machines, plants or systems, with reversible 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
    • F25B40/00—Subcoolers, desuperheaters or superheaters
    • F25B40/02—Subcoolers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D7/02—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being helically coiled
    • F28D7/024—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being helically coiled the conduits of only one medium being helically coiled tubes, the coils having a cylindrical configuration
    • 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
    • F25B2400/05—Compression system with heat exchange between particular parts of the system
    • F25B2400/051—Compression system with heat exchange between particular parts of the system between the accumulator and another part of the cycle
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/22—Arrangements for directing heat-exchange media into successive compartments, e.g. arrangements of guide plates
    • F28F2009/222—Particular guide plates, baffles or deflectors, e.g. having particular orientation relative to an elongated casing or conduit
    • F28F2009/226—Transversal partitions
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2265/00—Safety or protection arrangements; Arrangements for preventing malfunction
    • F28F2265/22—Safety or protection arrangements; Arrangements for preventing malfunction for draining

Definitions

  • the invention relates to refrigerant equipment and refrigerant processes and is untended for refrigerant processes optimization not only in refrigerant systems of inverter type or similar, but in all types refrigerant systems only, where the method of boiling or liquefaction of one of refrigerant is involved.
  • the expanded addboiler-cooler of liquid and gaseous media is created to optimize refrigerant processes, which performs the function of separating the gaseous and liquid refrigerant phases and the function of additional heat exchanger for heating the gaseous and cooling the liquid parts of refrigerant in the systems simultaneously.
  • the proposed method of optimizing refrigerant systems is acceptable for all types of refrigerant systems using different types of compressors and controls, and optimizes the operation of such systems not only in the heating supply mode, especially in the external environment low temperature conditions, but also in the mode of cold supply, especially in the external environment high temperature conditions.
  • gas-liquid separator comprises a plurality of inlet pipes (5a, 5b, 5c) that are inserted into a container (1) from different vertical positions on a side face of the container (1) and that discharge refrigerant, and a separator (4) that distributes refrigerant in which gas and liquid are mixed to the plurality of inlet pipes (5a, 5b, 5c) through branching sections (7a, 7b, 7c) which branch so as to differ in the vertical direction.
  • the gas-liquid separator is configured so that a first inlet pipe (5a) connected to a branching section (7a) to be the lowest of the plurality of inlet pipes is inserted in the side face at a position that is lower than the other iniet pipes (5b, 5c) and so that the refrigerant discharged from the first inlet pipe (5a) collides head on with the interior of the container (1).
  • a heating equipment including a first heat exchanger, a compressor, a second heat exchanger, and a first expansion valve that decompresses a refrigerant flowing from the second heat exchanger to the first heat exchanger, are connected so as to circulate the refrigerant.
  • a third heat exchanger wo 2021/242213 of the refrigerant flowing from the second heat e;pcT/UA202i/oooo52 st heat exchanger to the refrigerant flowing from the first heat exchanger toward the compressor.
  • An injection circuit merges part of the refrigerant flowing from the second heat exchanger to the first heat exchanger with the refrigerant that is sucked by the compressor.
  • An injection expansion valve is installed in the injection circuit and decompresses the refrigerant flowing in the injection circuit.
  • a fourth heat exchanger is installed in the injection circuit to supply heat of the refrigerant flowing from the second heat exchanger toward the first heat exchanger to the refrigerant flowing in the injection circuit (Patent NsUS 8,899,058 B2 dated December, 02, 2014).
  • the technical aim of invention is creation of method of optimizing temperature modes in refrigerant systems on the basis of the expanded addboi!er-cooler of liquid and gaseous media not only for inverter refrigerant systems or similar, but in all types of refrigerant systems exclusively, and not only for heat supply modes, especially in the conditions of low ambient temperatures, but also in the cold supply modes, especially in the conditions of the high ambient temperatures.
  • the expanded addboiler-cooler of liquid and gaseous media is created to optimize refrigerant processes, wherein the function of separating of liquid and gaseous refrigerant phases and the function of additional heat exchanger for heating of gaseous and cooling of liquid refrigerants parts in the system are executed simultaneously, which reduces the load on the compressor and makes its work more efficiently when compressing the gaseous refrigerant, on the one hand, and provides more improved heat extraction when additionally cooled liquid phase refrigerant is supplied through the expansion device to the evaporator.
  • Such a redistribution of heat flows inside of a closed refrigerant system reduces the dependence of its efficiency significantly on external both high and low temperatures in both the heating and the cold supply mode.
  • the proposed layout scheme is universal because the arrangement of refrigerant system units is decided in such a way that gas and liquid refrigerant phases are prepared for further distribution of flows in the specified modes occurs in the single scheme, in a single section and in the same directions of flow of different refrigerant phases.
  • the set goal is achieved due to the expanded addboiler-cooler of liquid and gaseous media and the method of optimizing temperature modes in refrigerant systems containing a compressor, four-way valve, an indoors unit heat exchanger, an outdoor units heat exchanger, an expansion device, and characterized in that a refrigerant system contains the first and second two-way valves controlling the flows of gaseous wo 2021/242213 ase of the refrigerant depending on systems operpcT/UA202i/oooo52e, and the expanded addboiler-cooler of liquid and gaseous media, which execute function of separating of liquid and gaseous refrigerant phases and the function of additional heat exchanger for heating of gaseous and cooling of liquid refrigerants parts and comprising a housing with a cover, a liquid circuits inlet orifice and inlet collector, from which a vertical row of a plurality spiral tubular elements emerges and twisted in the direction from a wall of a housing to the center and enters by vertical row into
  • Fig. 1 is a cross-sectional view of the expanded addboiler-cooler of liquid and gaseous media.
  • Fig. 2 is a part of the expanded addboiler-cooler of liquid and gaseous media in section A- A.
  • Fig. 3 is a part of the expanded addboiler-cooler of liquid and gaseous media in section B - B.
  • Fig. 4 is a part of the expanded addboiler-cooler of liquid and gaseous media in section C - C.
  • Fig. 5 is a membrane with technological openings and liquid traps.
  • Fig. 6 is a liquid circuit, combined with gas circuits outlet pipe, and gas circuits inlet pipe assembly.
  • Fig. 7 is a liquid circuit, combined with gas circuits outlet pipe, and gas circuits inlet pipe, and membranes assembly.
  • Fig. 8 is the variant of equipment layout scheme using an expanded addboiler-cooler of liquid and gaseous media.
  • Fig. 9 is refrigerant cycle working diagram using an expanded addboiler-cooler of liquid and gaseous media in heating supply mode.
  • Fig. 10 is refrigerant cycle working diagram using an expanded addboiler-cooler of liquid and gaseous media in cold supply mode.
  • the optimizing of temperature modes solves due to expanded addboiler-cooler of liquid and gaseous media and method of optimizing temperature modes in refrigerant systems that consists of compressor 24, four-way valve 25, indoor units heat exchanger 26, outdoor units heat exchanger 27, expansion valve 29, and characterized in that refrigerant system contains first 30 and second 32 two-way valves 30 or other shut-off devices controlling gaseous and liquid refrigerant phase flows depending on setting mode operation, and the expanded addboiler-cooler of liquid and gaseous media 28, which performs the function of separating the gaseous and liquid refrigerant phases and the function of additional heat exchanger for heating the gaseous and cooling the liquid parts of refrigerant in the systems simultaneously and contains a housing 1 with a cover 2, liquid circuits inlet orifice 3 and inlet collector 4, from which a vertical row of a plurality liquid circuits spiral tubular elements 5 emerges and twisted in the direction from a wall of a housing 1 to the center and enters by vertical row into the liquid
  • the refrigerant system consists of a compressor 24, four-way valve 25, indoor units heat exchanger 26, outdoor units heat exchanger 27, expansion valve 29 and characterized in that it contains the first 30 and second 31 two-way valves or other shut-off devices, and the expanded addboiler-cooler of liquid and gaseous media 28, operates as follows: when operation in heat supply mode the refrigerant passes the system elements in the order compressor 24 - four-way valve 25 - indoor units heat exchanger 26 - first two-way valve 30 - expanded addboiler-cooler of liquid and gaseous media 28 - expansion valve 29 - second two-way valve 31 - outdoor units heat exchanger 27 - four-way valve 25 - expanded addboiler-cooler of liquid and gaseous media 28 - compressor, and when operation in cold supply mode in the order compressor 24 - four-way valve 25 - outdoor units heat exchanger 27 - second two-way valve 31 - expanded addboiler-cooler of liquid and gaseous media 28 - expansion valve 29
  • the first 30 and second 31 two-way valves or other shut-off devices guides gaseous and liquid phases of refrigerant depending on the set operating mode of the system
  • the expanded addboiler-cooler of liquid and gaseous media 28 execute function of separating of liquid and gaseous refrigerant phases and the function of additional heat exchanger for heating of gaseous and cooling of liquid refrigerants part in the system, whereby the increased temperature of gaseous medium entering from the expanded addboiler-cooler of liquid and gaseous media 28 into the compressor 24 reduces the load required to compress refrigerant, on the one hand, and decreased temperature of liquid media entering from the expanded addboiler-cooler of liquid and gaseous media 28 to the expansion valve 29 provides decreased temperature of gaseous medium entering into the heat exchanger 26 or 27 performing a function of evaporator depending on setting mode, and wo 2021/242213 amount of heat extracted from working medium, PCT/UA2021/OOOO521, wherein the separation of gas-liquid medium into gaseous and

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Compression-Type Refrigeration Machines With Reversible Cycles (AREA)

Abstract

L'invention concerne un système de réfrigération comprenant un compresseur (24), une soupape à quatre voies (25), un échangeur de chaleur d'unité intérieure (26), un échangeur de chaleur d'unité extérieure (27), un détendeur (29) et caractérisé en ce qu'il comprend une première soupape à deux voies (30) ou autres dispositifs d'arrêts, une seconde soupape à deux voies (31) ou autres dispositifs d'arrêt, une chaudière-refroidisseur d'ajout de détente de milieux liquides et gazeux (28) contenant un boîtier (1) avec couvercle (2), l'orifice d'entrée de circuit de liquide (3) et le collecteur d'entrée de circuit de liquide (4), à partir duquel une rangée verticale d'une pluralité d'éléments tubulaires en spirale (5) émerge et torsadés en une spirale dans la direction d'une paroi d'un boîtier (1) au centre et entre par la rangée verticale dans le collecteur de sortie de circuit de liquide (6) ayant un tube de sortie de circuit de liquide (7), qui sort du boîtier (1) avec couvercle (2) à travers l'orifice de sortie de circuit de liquide (8), le collecteur de sortie de circuit de liquide (6) ayant la forme d'une bride à travers le centre de laquelle le tube de sortie du circuit de gaz (12) passe à la verticale, dans lequel le milieu gazeux entre à travers l'ouverture d'entrée du tube de sortie du circuit de gaz (13) situé à l'intérieur du boîtier (1) avec couvercle (2) et sort du tube de sortie du circuit de gaz (12) et de l'orifice de sortie du circuit de gaz (14), le milieu gazeux entrant dans le boîtier (1) avec couvercle (2) à travers le tube d'entrée du circuit de gaz (10), qui entre dans le couvercle (2) à travers l'orifice d'entrée du circuit de gaz (9), puis sort entre des rangées agencées verticalement d'éléments tubulaires en spirale de circuit de liquide (5) à travers les ouvertures du tube d'entrée du circuit de gaz (11) et se déplace en spirale de manière relativement parallèle entre des membranes (17) situées entre une ou plusieurs rangées d'éléments tubulaires en spirale de circuit de liquide (5) avec des robinets de liquide (18), à travers lesquels la phase liquide du fluide frigorigène passe dans la direction vers la partie inférieure du boîtier (1) et la phase gazeuse du fluide frigorigène passe dans la direction de la partie supérieure du boîtier (1) avec couvercle (2), le milieu gazeux montant s'écoulant dans une direction de déplacement supportée par les anneaux de guidage d'écoulement supérieurs (19) situés dans la partie supérieure du couvercle (2) et le milieu liquide descendant s'écoulant dans une direction supportée par les anneaux de guidage d'écoulement inférieurs (20) situés dans la partie inférieure du boîtier (1), et une partie des émissions de gaz lorsqu'un support liquide entre dans le collecteur de sortie de circuit de liquide (6) sont éliminées à l'intérieur du boîtier (1) avec couvercle (2) à travers le tube de gaz capillaire (16) situé dans la partie supérieure du collecteur de sortie de circuit de liquide (6), lors du fonctionnement en mode d'alimentation de chaleur le fluide frigorigène passant les éléments de système dans l'ordre, dans le compresseur (24) - la soupape à quatre voies (25) - l'échangeur de chaleur d'unité intérieure (26) - la première soupape à deux voies (30) - la chaudière-refroidisseur d'ajout de détente de milieux liquides et gazeux (28) - le détendeur (29) - la seconde soupape à deux voies (31) - l'échangeur de chaleur d'unité extérieure (27) - la soupape à quatre voies (25) - la chaudière-refroidisseur d'ajout de détente de milieux liquides et gazeux (28) - le compresseur (24) et, lors du fonctionnement en mode d'alimentation de froid, dans l'ordre, dans le compresseur (24) - la soupape à quatre voies (25) - l'échangeur de chaleur d'unité extérieure (27) - la seconde soupape à deux voies (31) - la chaudière-refroidisseur d'ajout de détente de milieux liquides et gazeux (28) - le détendeur (29) - la première soupape à deux voies (30) - l'échangeur de chaleur d'unité intérieure (26) - la soupape à quatre voies (25) - la chaudière-refroidisseur d'ajout de détente de milieux liquides et gazeux (28) - le compresseur (24).
PCT/UA2021/000052 2020-05-27 2021-05-26 Système réfrigérant basé sur une chaudière-refroidisseur d'ajout de détente de milieux liquides et gazeux WO2021242213A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
UAA202003195 2020-05-27
UAA202003195 2020-05-27

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4317860A1 (fr) * 2022-08-05 2024-02-07 Carrier Corporation Échangeur de chaleur pour accumulateur

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3012414A (en) * 1960-05-09 1961-12-12 Porte Francis L La Refrigeration apparatus with liquid trapping means
US3299661A (en) * 1965-10-18 1967-01-24 Westinghouse Electric Corp Check valve manifolds for heat pumps
US3552140A (en) * 1968-12-19 1971-01-05 Westinghouse Electric Corp Refrigeration system with accumulator
US5651265A (en) * 1994-07-15 1997-07-29 Grenier; Michel A. Ground source heat pump system
JP2004028525A (ja) * 2002-06-28 2004-01-29 Zexel Valeo Climate Control Corp アキュムレータ及びこれを用いた冷凍サイクル
US8899058B2 (en) 2006-03-27 2014-12-02 Mitsubishi Electric Corporation Air conditioner heat pump with injection circuit and automatic control thereof
WO2019073564A1 (fr) 2017-10-12 2019-04-18 三菱電機株式会社 Séparateur gaz-liquide et circuit de réfrigérant

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3012414A (en) * 1960-05-09 1961-12-12 Porte Francis L La Refrigeration apparatus with liquid trapping means
US3299661A (en) * 1965-10-18 1967-01-24 Westinghouse Electric Corp Check valve manifolds for heat pumps
US3552140A (en) * 1968-12-19 1971-01-05 Westinghouse Electric Corp Refrigeration system with accumulator
US5651265A (en) * 1994-07-15 1997-07-29 Grenier; Michel A. Ground source heat pump system
JP2004028525A (ja) * 2002-06-28 2004-01-29 Zexel Valeo Climate Control Corp アキュムレータ及びこれを用いた冷凍サイクル
US8899058B2 (en) 2006-03-27 2014-12-02 Mitsubishi Electric Corporation Air conditioner heat pump with injection circuit and automatic control thereof
WO2019073564A1 (fr) 2017-10-12 2019-04-18 三菱電機株式会社 Séparateur gaz-liquide et circuit de réfrigérant

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4317860A1 (fr) * 2022-08-05 2024-02-07 Carrier Corporation Échangeur de chaleur pour accumulateur

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